v0.8.920

README.md

@@ -2,6 +2,13 @@
 <img src="images/yologo.png" width="190" height="142">
 
 ##### Web-radio based on [ESP32-audioI2S](https://github.com/schreibfaul1/ESP32-audioI2S) or/and [ESP32-vs1053_ext](https://github.com/schreibfaul1/ESP32-vs1053_ext) library
+---
+#### NEW!
+##### yoRadio Printed Circuit Boards repository:
+[<img src="images/yopcb.jpg" width="830" height="auto" />](https://github.com/e2002/yopcb)
+
+https://github.com/e2002/yopcb
+
 ---
 - [Hardware](#hardware)
 - [Connection tables](#connection-tables)
@@ -176,8 +183,7 @@ _\** GPIO 16 and 17 are used by PSRAM on the WROVER modules._
 ## Dependencies
 #### Libraries:
 **Library Manager**: Adafruit_GFX, Adafruit_ST7735\*, Adafruit_SSD1306\*, Adafruit_PCD8544\*, Adafruit_SH110X\*, Adafruit_SSD1327\*, Adafruit_ILI9341\*, Adafruit_SSD1305\*, TFT_22_ILI9225\* (\* depending on display model), OneButton, IRremoteESP8266, XPT2046_Touchscreen \
-**Github**: [ESPAsyncWebServer](https://github.com/me-no-dev/ESPAsyncWebServer), [AsyncTCP](https://github.com/me-no-dev/AsyncTCP), [async-mqtt-client](https://github.com/marvinroger/async-mqtt-client)* \
+**Github**: ~~[ESPAsyncWebServer](https://github.com/me-no-dev/ESPAsyncWebServer), [AsyncTCP](https://github.com/me-no-dev/AsyncTCP), [async-mqtt-client](https://github.com/marvinroger/async-mqtt-client) (if you need MQTT support)~~ <<< **starting with version 0.8.920, these libraries have been moved into the project, and there is no need to install them additionally.**
-\* _if you need MQTT support_
 
 #### Tool:
 [ESP32 Filesystem Uploader](https://randomnerdtutorials.com/install-esp32-filesystem-uploader-arduino-ide/) \
@@ -311,6 +317,14 @@ Work is in progress...
 
 ---
 ## Version history
+#### v0.8.NEW
+**!!! a [full update](#update-over-web-interface) with Sketch data upload is required. After updating please press CTRL+F5 in browser !!!** \
+**Please backup playlist.csv and wifi.csv before updating.**
+- fixed bug with displaying horizontal scroll in playlist
+- fixed compilation error with IR_PIN=255
+- libraries async-mqtt-client, AsyncTCP, ESPAsyncWebServer moved to the project
+- new parameter #define XTASK_MEM_SIZE - buffer size for AsyncTCP task (4096 by default)
+
 #### v0.8.901
 **!!! a [full update](#update-over-web-interface) with Sketch data upload is required. After updating please press CTRL+F5 in browser !!!** \
 **Please backup playlist.csv and wifi.csv before updating.**

yoRadio/src/AsyncWebServer/AsyncEventSource.cpp

@@ -0,0 +1,368 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "Arduino.h"
+#include "AsyncEventSource.h"
+
+static String generateEventMessage(const char *message, const char *event, uint32_t id, uint32_t reconnect){
+  String ev = "";
+
+  if(reconnect){
+    ev += "retry: ";
+    ev += String(reconnect);
+    ev += "\r\n";
+  }
+
+  if(id){
+    ev += "id: ";
+    ev += String(id);
+    ev += "\r\n";
+  }
+
+  if(event != NULL){
+    ev += "event: ";
+    ev += String(event);
+    ev += "\r\n";
+  }
+
+  if(message != NULL){
+    size_t messageLen = strlen(message);
+    char * lineStart = (char *)message;
+    char * lineEnd;
+    do {
+      char * nextN = strchr(lineStart, '\n');
+      char * nextR = strchr(lineStart, '\r');
+      if(nextN == NULL && nextR == NULL){
+        size_t llen = ((char *)message + messageLen) - lineStart;
+        char * ldata = (char *)malloc(llen+1);
+        if(ldata != NULL){
+          memcpy(ldata, lineStart, llen);
+          ldata[llen] = 0;
+          ev += "data: ";
+          ev += ldata;
+          ev += "\r\n\r\n";
+          free(ldata);
+        }
+        lineStart = (char *)message + messageLen;
+      } else {
+        char * nextLine = NULL;
+        if(nextN != NULL && nextR != NULL){
+          if(nextR < nextN){
+            lineEnd = nextR;
+            if(nextN == (nextR + 1))
+              nextLine = nextN + 1;
+            else
+              nextLine = nextR + 1;
+          } else {
+            lineEnd = nextN;
+            if(nextR == (nextN + 1))
+              nextLine = nextR + 1;
+            else
+              nextLine = nextN + 1;
+          }
+        } else if(nextN != NULL){
+          lineEnd = nextN;
+          nextLine = nextN + 1;
+        } else {
+          lineEnd = nextR;
+          nextLine = nextR + 1;
+        }
+
+        size_t llen = lineEnd - lineStart;
+        char * ldata = (char *)malloc(llen+1);
+        if(ldata != NULL){
+          memcpy(ldata, lineStart, llen);
+          ldata[llen] = 0;
+          ev += "data: ";
+          ev += ldata;
+          ev += "\r\n";
+          free(ldata);
+        }
+        lineStart = nextLine;
+        if(lineStart == ((char *)message + messageLen))
+          ev += "\r\n";
+      }
+    } while(lineStart < ((char *)message + messageLen));
+  }
+
+  return ev;
+}
+
+// Message
+
+AsyncEventSourceMessage::AsyncEventSourceMessage(const char * data, size_t len)
+: _data(nullptr), _len(len), _sent(0), _acked(0)
+{
+  _data = (uint8_t*)malloc(_len+1);
+  if(_data == nullptr){
+    _len = 0;
+  } else {
+    memcpy(_data, data, len);
+    _data[_len] = 0;
+  }
+}
+
+AsyncEventSourceMessage::~AsyncEventSourceMessage() {
+     if(_data != NULL)
+        free(_data);
+}
+
+size_t AsyncEventSourceMessage::ack(size_t len, uint32_t time) {
+  (void)time;
+  // If the whole message is now acked...
+  if(_acked + len > _len){
+     // Return the number of extra bytes acked (they will be carried on to the next message)
+     const size_t extra = _acked + len - _len;
+     _acked = _len;
+     return extra;
+  }
+  // Return that no extra bytes left.
+  _acked += len;
+  return 0;
+}
+
+size_t AsyncEventSourceMessage::send(AsyncClient *client) {
+  const size_t len = _len - _sent;
+  if(client->space() < len){
+    return 0;
+  }
+  size_t sent = client->add((const char *)_data, len);
+  if(client->canSend())
+    client->send();
+  _sent += sent;
+  return sent; 
+}
+
+// Client
+
+AsyncEventSourceClient::AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server)
+: _messageQueue(LinkedList<AsyncEventSourceMessage *>([](AsyncEventSourceMessage *m){ delete  m; }))
+{
+  _client = request->client();
+  _server = server;
+  _lastId = 0;
+  if(request->hasHeader("Last-Event-ID"))
+    _lastId = atoi(request->getHeader("Last-Event-ID")->value().c_str());
+    
+  _client->setRxTimeout(0);
+  _client->onError(NULL, NULL);
+  _client->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ (void)c; ((AsyncEventSourceClient*)(r))->_onAck(len, time); }, this);
+  _client->onPoll([](void *r, AsyncClient* c){ (void)c; ((AsyncEventSourceClient*)(r))->_onPoll(); }, this);
+  _client->onData(NULL, NULL);
+  _client->onTimeout([this](void *r, AsyncClient* c __attribute__((unused)), uint32_t time){ ((AsyncEventSourceClient*)(r))->_onTimeout(time); }, this);
+  _client->onDisconnect([this](void *r, AsyncClient* c){ ((AsyncEventSourceClient*)(r))->_onDisconnect(); delete c; }, this);
+
+  _server->_addClient(this);
+  delete request;
+}
+
+AsyncEventSourceClient::~AsyncEventSourceClient(){
+   _messageQueue.free();
+  close();
+}
+
+void AsyncEventSourceClient::_queueMessage(AsyncEventSourceMessage *dataMessage){
+  if(dataMessage == NULL)
+    return;
+  if(!connected()){
+    delete dataMessage;
+    return;
+  }
+  if(_messageQueue.length() >= SSE_MAX_QUEUED_MESSAGES){
+      ets_printf("ERROR: Too many messages queued\n");
+      delete dataMessage;
+  } else {
+      _messageQueue.add(dataMessage);
+  }
+  if(_client->canSend())
+    _runQueue();
+}
+
+void AsyncEventSourceClient::_onAck(size_t len, uint32_t time){
+  while(len && !_messageQueue.isEmpty()){
+    len = _messageQueue.front()->ack(len, time);
+    if(_messageQueue.front()->finished())
+      _messageQueue.remove(_messageQueue.front());
+  }
+
+  _runQueue();
+}
+
+void AsyncEventSourceClient::_onPoll(){
+  if(!_messageQueue.isEmpty()){
+    _runQueue();
+  }
+}
+
+
+void AsyncEventSourceClient::_onTimeout(uint32_t time __attribute__((unused))){
+  _client->close(true);
+}
+
+void AsyncEventSourceClient::_onDisconnect(){
+  _client = NULL;
+  _server->_handleDisconnect(this);
+}
+
+void AsyncEventSourceClient::close(){
+  if(_client != NULL)
+    _client->close();
+}
+
+void AsyncEventSourceClient::write(const char * message, size_t len){
+  _queueMessage(new AsyncEventSourceMessage(message, len));
+}
+
+void AsyncEventSourceClient::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){
+  String ev = generateEventMessage(message, event, id, reconnect);
+  _queueMessage(new AsyncEventSourceMessage(ev.c_str(), ev.length()));
+}
+
+void AsyncEventSourceClient::_runQueue(){
+  while(!_messageQueue.isEmpty() && _messageQueue.front()->finished()){
+    _messageQueue.remove(_messageQueue.front());
+  }
+
+  for(auto i = _messageQueue.begin(); i != _messageQueue.end(); ++i)
+  {
+    if(!(*i)->sent())
+      (*i)->send(_client);
+  }
+}
+
+
+// Handler
+
+AsyncEventSource::AsyncEventSource(const String& url)
+  : _url(url)
+  , _clients(LinkedList<AsyncEventSourceClient *>([](AsyncEventSourceClient *c){ delete c; }))
+  , _connectcb(NULL)
+{}
+
+AsyncEventSource::~AsyncEventSource(){
+  close();
+}
+
+void AsyncEventSource::onConnect(ArEventHandlerFunction cb){
+  _connectcb = cb;
+}
+
+void AsyncEventSource::_addClient(AsyncEventSourceClient * client){
+  /*char * temp = (char *)malloc(2054);
+  if(temp != NULL){
+    memset(temp+1,' ',2048);
+    temp[0] = ':';
+    temp[2049] = '\r';
+    temp[2050] = '\n';
+    temp[2051] = '\r';
+    temp[2052] = '\n';
+    temp[2053] = 0;
+    client->write((const char *)temp, 2053);
+    free(temp);
+  }*/
+  
+  _clients.add(client);
+  if(_connectcb)
+    _connectcb(client);
+}
+
+void AsyncEventSource::_handleDisconnect(AsyncEventSourceClient * client){
+  _clients.remove(client);
+}
+
+void AsyncEventSource::close(){
+  for(const auto &c: _clients){
+    if(c->connected())
+      c->close();
+  }
+}
+
+// pmb fix
+size_t AsyncEventSource::avgPacketsWaiting() const {
+  if(_clients.isEmpty())
+    return 0;
+  
+  size_t    aql=0;
+  uint32_t  nConnectedClients=0;
+  
+  for(const auto &c: _clients){
+    if(c->connected()) {
+      aql+=c->packetsWaiting();
+      ++nConnectedClients;
+    }
+  }
+//  return aql / nConnectedClients;
+  return ((aql) + (nConnectedClients/2))/(nConnectedClients); // round up
+}
+
+void AsyncEventSource::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){
+
+
+  String ev = generateEventMessage(message, event, id, reconnect);
+  for(const auto &c: _clients){
+    if(c->connected()) {
+      c->write(ev.c_str(), ev.length());
+    }
+  }
+}
+
+size_t AsyncEventSource::count() const {
+  return _clients.count_if([](AsyncEventSourceClient *c){
+    return c->connected();
+  });
+}
+
+bool AsyncEventSource::canHandle(AsyncWebServerRequest *request){
+  if(request->method() != HTTP_GET || !request->url().equals(_url)) {
+    return false;
+  }
+  request->addInterestingHeader("Last-Event-ID");
+  return true;
+}
+
+void AsyncEventSource::handleRequest(AsyncWebServerRequest *request){
+  if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
+    return request->requestAuthentication();
+  request->send(new AsyncEventSourceResponse(this));
+}
+
+// Response
+
+AsyncEventSourceResponse::AsyncEventSourceResponse(AsyncEventSource *server){
+  _server = server;
+  _code = 200;
+  _contentType = "text/event-stream";
+  _sendContentLength = false;
+  addHeader("Cache-Control", "no-cache");
+  addHeader("Connection","keep-alive");
+}
+
+void AsyncEventSourceResponse::_respond(AsyncWebServerRequest *request){
+  String out = _assembleHead(request->version());
+  request->client()->write(out.c_str(), _headLength);
+  _state = RESPONSE_WAIT_ACK;
+}
+
+size_t AsyncEventSourceResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time __attribute__((unused))){
+  if(len){
+    new AsyncEventSourceClient(request, _server);
+  }
+  return 0;
+}
+

yoRadio/src/AsyncWebServer/AsyncEventSource.h

@@ -0,0 +1,133 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef ASYNCEVENTSOURCE_H_
+#define ASYNCEVENTSOURCE_H_
+
+#include <Arduino.h>
+#ifdef ESP32
+#include "AsyncTCP.h"
+#define SSE_MAX_QUEUED_MESSAGES 32
+#else
+#include <ESPAsyncTCP.h>
+#define SSE_MAX_QUEUED_MESSAGES 8
+#endif
+#include "ESPAsyncWebServer.h"
+
+#include "AsyncWebSynchronization.h"
+
+#ifdef ESP8266
+#include <Hash.h>
+#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library
+#include <../src/Hash.h>
+#endif
+#endif
+
+#ifdef ESP32
+#define DEFAULT_MAX_SSE_CLIENTS 8
+#else
+#define DEFAULT_MAX_SSE_CLIENTS 4
+#endif
+
+class AsyncEventSource;
+class AsyncEventSourceResponse;
+class AsyncEventSourceClient;
+typedef std::function<void(AsyncEventSourceClient *client)> ArEventHandlerFunction;
+
+class AsyncEventSourceMessage {
+  private:
+    uint8_t * _data; 
+    size_t _len;
+    size_t _sent;
+    //size_t _ack;
+    size_t _acked; 
+  public:
+    AsyncEventSourceMessage(const char * data, size_t len);
+    ~AsyncEventSourceMessage();
+    size_t ack(size_t len, uint32_t time __attribute__((unused)));
+    size_t send(AsyncClient *client);
+    bool finished(){ return _acked == _len; }
+    bool sent() { return _sent == _len; }
+};
+
+class AsyncEventSourceClient {
+  private:
+    AsyncClient *_client;
+    AsyncEventSource *_server;
+    uint32_t _lastId;
+    LinkedList<AsyncEventSourceMessage *> _messageQueue;
+    void _queueMessage(AsyncEventSourceMessage *dataMessage);
+    void _runQueue();
+
+  public:
+
+    AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server);
+    ~AsyncEventSourceClient();
+
+    AsyncClient* client(){ return _client; }
+    void close();
+    void write(const char * message, size_t len);
+    void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
+    bool connected() const { return (_client != NULL) && _client->connected(); }
+    uint32_t lastId() const { return _lastId; }
+    size_t  packetsWaiting() const { return _messageQueue.length(); }
+
+    //system callbacks (do not call)
+    void _onAck(size_t len, uint32_t time);
+    void _onPoll(); 
+    void _onTimeout(uint32_t time);
+    void _onDisconnect();
+};
+
+class AsyncEventSource: public AsyncWebHandler {
+  private:
+    String _url;
+    LinkedList<AsyncEventSourceClient *> _clients;
+    ArEventHandlerFunction _connectcb;
+  public:
+    AsyncEventSource(const String& url);
+    ~AsyncEventSource();
+
+    const char * url() const { return _url.c_str(); }
+    void close();
+    void onConnect(ArEventHandlerFunction cb);
+    void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
+    size_t count() const; //number clinets connected
+    size_t  avgPacketsWaiting() const;
+
+    //system callbacks (do not call)
+    void _addClient(AsyncEventSourceClient * client);
+    void _handleDisconnect(AsyncEventSourceClient * client);
+    virtual bool canHandle(AsyncWebServerRequest *request) override final;
+    virtual void handleRequest(AsyncWebServerRequest *request) override final;
+};
+
+class AsyncEventSourceResponse: public AsyncWebServerResponse {
+  private:
+    String _content;
+    AsyncEventSource *_server;
+  public:
+    AsyncEventSourceResponse(AsyncEventSource *server);
+    void _respond(AsyncWebServerRequest *request);
+    size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
+    bool _sourceValid() const { return true; }
+};
+
+
+#endif /* ASYNCEVENTSOURCE_H_ */

yoRadio/src/AsyncWebServer/AsyncJson.h

@@ -0,0 +1,254 @@
+// AsyncJson.h
+/*
+  Async Response to use with ArduinoJson and AsyncWebServer
+  Written by Andrew Melvin (SticilFace) with help from me-no-dev and BBlanchon.
+
+  Example of callback in use
+
+   server.on("/json", HTTP_ANY, [](AsyncWebServerRequest * request) {
+
+    AsyncJsonResponse * response = new AsyncJsonResponse();
+    JsonObject& root = response->getRoot();
+    root["key1"] = "key number one";
+    JsonObject& nested = root.createNestedObject("nested");
+    nested["key1"] = "key number one";
+
+    response->setLength();
+    request->send(response);
+  });
+
+  --------------------
+
+  Async Request to use with ArduinoJson and AsyncWebServer
+  Written by Arsène von Wyss (avonwyss)
+
+  Example
+
+  AsyncCallbackJsonWebHandler* handler = new AsyncCallbackJsonWebHandler("/rest/endpoint");
+  handler->onRequest([](AsyncWebServerRequest *request, JsonVariant &json) {
+    JsonObject& jsonObj = json.as<JsonObject>();
+    // ...
+  });
+  server.addHandler(handler);
+  
+*/
+#ifndef ASYNC_JSON_H_
+#define ASYNC_JSON_H_
+#include <ArduinoJson.h>
+#include "ESPAsyncWebServer.h"
+#include <Print.h>
+
+#if ARDUINOJSON_VERSION_MAJOR == 5
+  #define ARDUINOJSON_5_COMPATIBILITY
+#else
+  #ifndef DYNAMIC_JSON_DOCUMENT_SIZE
+    #define DYNAMIC_JSON_DOCUMENT_SIZE  1024
+  #endif
+#endif
+
+constexpr const char* JSON_MIMETYPE = "application/json";
+
+/*
+ * Json Response
+ * */
+
+class ChunkPrint : public Print {
+  private:
+    uint8_t* _destination;
+    size_t _to_skip;
+    size_t _to_write;
+    size_t _pos;
+  public:
+    ChunkPrint(uint8_t* destination, size_t from, size_t len)
+      : _destination(destination), _to_skip(from), _to_write(len), _pos{0} {}
+    virtual ~ChunkPrint(){}
+    size_t write(uint8_t c){
+      if (_to_skip > 0) {
+        _to_skip--;
+        return 1;
+      } else if (_to_write > 0) {
+        _to_write--;
+        _destination[_pos++] = c;
+        return 1;
+      }
+      return 0;
+    }
+    size_t write(const uint8_t *buffer, size_t size)
+    {
+      return this->Print::write(buffer, size);
+    }
+};
+
+class AsyncJsonResponse: public AsyncAbstractResponse {
+  protected:
+
+#ifdef ARDUINOJSON_5_COMPATIBILITY
+    DynamicJsonBuffer _jsonBuffer;
+#else
+    DynamicJsonDocument _jsonBuffer;
+#endif
+
+    JsonVariant _root;
+    bool _isValid;
+
+  public:    
+
+#ifdef ARDUINOJSON_5_COMPATIBILITY
+    AsyncJsonResponse(bool isArray=false): _isValid{false} {
+      _code = 200;
+      _contentType = JSON_MIMETYPE;
+      if(isArray)
+        _root = _jsonBuffer.createArray();
+      else
+        _root = _jsonBuffer.createObject();
+    }
+#else
+    AsyncJsonResponse(bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : _jsonBuffer(maxJsonBufferSize), _isValid{false} {
+      _code = 200;
+      _contentType = JSON_MIMETYPE;
+      if(isArray)
+        _root = _jsonBuffer.createNestedArray();
+      else
+        _root = _jsonBuffer.createNestedObject();
+    }
+#endif
+
+    ~AsyncJsonResponse() {}
+    JsonVariant & getRoot() { return _root; }
+    bool _sourceValid() const { return _isValid; }
+    size_t setLength() {
+
+#ifdef ARDUINOJSON_5_COMPATIBILITY      
+      _contentLength = _root.measureLength();
+#else
+      _contentLength = measureJson(_root);
+#endif
+
+      if (_contentLength) { _isValid = true; }
+      return _contentLength;
+    }
+
+   size_t getSize() { return _jsonBuffer.size(); }
+
+    size_t _fillBuffer(uint8_t *data, size_t len){
+      ChunkPrint dest(data, _sentLength, len);
+
+#ifdef ARDUINOJSON_5_COMPATIBILITY      
+      _root.printTo( dest ) ;
+#else
+      serializeJson(_root, dest);
+#endif
+      return len;
+    }
+};
+
+class PrettyAsyncJsonResponse: public AsyncJsonResponse {	
+public:
+#ifdef ARDUINOJSON_5_COMPATIBILITY
+	PrettyAsyncJsonResponse (bool isArray=false) : AsyncJsonResponse{isArray} {}
+#else
+	PrettyAsyncJsonResponse (bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : AsyncJsonResponse{isArray, maxJsonBufferSize} {}
+#endif
+	size_t setLength () {
+#ifdef ARDUINOJSON_5_COMPATIBILITY
+		_contentLength = _root.measurePrettyLength ();
+#else
+		_contentLength = measureJsonPretty(_root);
+#endif
+		if (_contentLength) {_isValid = true;}
+		return _contentLength;
+	}
+	size_t _fillBuffer (uint8_t *data, size_t len) {
+		ChunkPrint dest (data, _sentLength, len);
+#ifdef ARDUINOJSON_5_COMPATIBILITY
+		_root.prettyPrintTo (dest);
+#else
+		serializeJsonPretty(_root, dest);
+#endif
+		return len;
+	}
+};
+
+typedef std::function<void(AsyncWebServerRequest *request, JsonVariant &json)> ArJsonRequestHandlerFunction;
+
+class AsyncCallbackJsonWebHandler: public AsyncWebHandler {
+private:
+protected:
+  const String _uri;
+  WebRequestMethodComposite _method;
+  ArJsonRequestHandlerFunction _onRequest;
+  size_t _contentLength;
+#ifndef ARDUINOJSON_5_COMPATIBILITY   
+  const size_t maxJsonBufferSize;
+#endif
+  size_t _maxContentLength;
+public:
+#ifdef ARDUINOJSON_5_COMPATIBILITY      
+  AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest) 
+  : _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), _maxContentLength(16384) {}
+#else
+  AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest, size_t maxJsonBufferSize=DYNAMIC_JSON_DOCUMENT_SIZE) 
+  : _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), maxJsonBufferSize(maxJsonBufferSize), _maxContentLength(16384) {}
+#endif
+  
+  void setMethod(WebRequestMethodComposite method){ _method = method; }
+  void setMaxContentLength(int maxContentLength){ _maxContentLength = maxContentLength; }
+  void onRequest(ArJsonRequestHandlerFunction fn){ _onRequest = fn; }
+
+  virtual bool canHandle(AsyncWebServerRequest *request) override final{
+    if(!_onRequest)
+      return false;
+
+    if(!(_method & request->method()))
+      return false;
+
+    if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/")))
+      return false;
+
+    if ( !request->contentType().equalsIgnoreCase(JSON_MIMETYPE) )
+      return false;
+
+    request->addInterestingHeader("ANY");
+    return true;
+  }
+
+  virtual void handleRequest(AsyncWebServerRequest *request) override final {
+    if(_onRequest) {
+      if (request->_tempObject != NULL) {
+
+#ifdef ARDUINOJSON_5_COMPATIBILITY    
+        DynamicJsonBuffer jsonBuffer;
+        JsonVariant json = jsonBuffer.parse((uint8_t*)(request->_tempObject));
+        if (json.success()) {
+#else
+        DynamicJsonDocument jsonBuffer(this->maxJsonBufferSize);
+        DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject));
+        if(!error) {
+          JsonVariant json = jsonBuffer.as<JsonVariant>();
+#endif
+
+          _onRequest(request, json);
+          return;
+        }
+      }
+      request->send(_contentLength > _maxContentLength ? 413 : 400);
+    } else {
+      request->send(500);
+    }
+  }
+  virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final {
+  }
+  virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final {
+    if (_onRequest) {
+      _contentLength = total;
+      if (total > 0 && request->_tempObject == NULL && total < _maxContentLength) {
+        request->_tempObject = malloc(total);
+      }
+      if (request->_tempObject != NULL) {
+        memcpy((uint8_t*)(request->_tempObject) + index, data, len);
+      }
+    }
+  }
+  virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;}
+};
+#endif

yoRadio/src/AsyncWebServer/AsyncTCP.h

@@ -0,0 +1,219 @@
+/*
+  Asynchronous TCP library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef ASYNCTCP_H_
+#define ASYNCTCP_H_
+#include "../core/options.h"
+#include "IPAddress.h"
+#include "sdkconfig.h"
+#include <functional>
+extern "C" {
+    #include "freertos/semphr.h"
+    #include "lwip/pbuf.h"
+}
+
+//If core is not defined, then we are running in Arduino or PIO
+#ifndef CONFIG_ASYNC_TCP_RUNNING_CORE
+#define CONFIG_ASYNC_TCP_RUNNING_CORE -1 //any available core
+#define CONFIG_ASYNC_TCP_USE_WDT 1 //if enabled, adds between 33us and 200us per event
+#endif
+#ifndef XTASK_MEM_SIZE
+  #define XTASK_MEM_SIZE  8192 / 2
+#endif
+class AsyncClient;
+
+#define ASYNC_MAX_ACK_TIME 5000
+#define ASYNC_WRITE_FLAG_COPY 0x01 //will allocate new buffer to hold the data while sending (else will hold reference to the data given)
+#define ASYNC_WRITE_FLAG_MORE 0x02 //will not send PSH flag, meaning that there should be more data to be sent before the application should react.
+
+typedef std::function<void(void*, AsyncClient*)> AcConnectHandler;
+typedef std::function<void(void*, AsyncClient*, size_t len, uint32_t time)> AcAckHandler;
+typedef std::function<void(void*, AsyncClient*, int8_t error)> AcErrorHandler;
+typedef std::function<void(void*, AsyncClient*, void *data, size_t len)> AcDataHandler;
+typedef std::function<void(void*, AsyncClient*, struct pbuf *pb)> AcPacketHandler;
+typedef std::function<void(void*, AsyncClient*, uint32_t time)> AcTimeoutHandler;
+
+struct tcp_pcb;
+struct ip_addr;
+
+class AsyncClient {
+  public:
+    AsyncClient(tcp_pcb* pcb = 0);
+    ~AsyncClient();
+
+    AsyncClient & operator=(const AsyncClient &other);
+    AsyncClient & operator+=(const AsyncClient &other);
+
+    bool operator==(const AsyncClient &other);
+
+    bool operator!=(const AsyncClient &other) {
+      return !(*this == other);
+    }
+    bool connect(IPAddress ip, uint16_t port);
+    bool connect(const char* host, uint16_t port);
+    void close(bool now = false);
+    void stop();
+    int8_t abort();
+    bool free();
+
+    bool canSend();//ack is not pending
+    size_t space();//space available in the TCP window
+    size_t add(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY);//add for sending
+    bool send();//send all data added with the method above
+
+    //write equals add()+send()
+    size_t write(const char* data);
+    size_t write(const char* data, size_t size, uint8_t apiflags=ASYNC_WRITE_FLAG_COPY); //only when canSend() == true
+
+    uint8_t state();
+    bool connecting();
+    bool connected();
+    bool disconnecting();
+    bool disconnected();
+    bool freeable();//disconnected or disconnecting
+
+    uint16_t getMss();
+
+    uint32_t getRxTimeout();
+    void setRxTimeout(uint32_t timeout);//no RX data timeout for the connection in seconds
+
+    uint32_t getAckTimeout();
+    void setAckTimeout(uint32_t timeout);//no ACK timeout for the last sent packet in milliseconds
+
+    void setNoDelay(bool nodelay);
+    bool getNoDelay();
+
+    uint32_t getRemoteAddress();
+    uint16_t getRemotePort();
+    uint32_t getLocalAddress();
+    uint16_t getLocalPort();
+
+    //compatibility
+    IPAddress remoteIP();
+    uint16_t  remotePort();
+    IPAddress localIP();
+    uint16_t  localPort();
+
+    void onConnect(AcConnectHandler cb, void* arg = 0);     //on successful connect
+    void onDisconnect(AcConnectHandler cb, void* arg = 0);  //disconnected
+    void onAck(AcAckHandler cb, void* arg = 0);             //ack received
+    void onError(AcErrorHandler cb, void* arg = 0);         //unsuccessful connect or error
+    void onData(AcDataHandler cb, void* arg = 0);           //data received (called if onPacket is not used)
+    void onPacket(AcPacketHandler cb, void* arg = 0);       //data received
+    void onTimeout(AcTimeoutHandler cb, void* arg = 0);     //ack timeout
+    void onPoll(AcConnectHandler cb, void* arg = 0);        //every 125ms when connected
+
+    void ackPacket(struct pbuf * pb);//ack pbuf from onPacket
+    size_t ack(size_t len); //ack data that you have not acked using the method below
+    void ackLater(){ _ack_pcb = false; } //will not ack the current packet. Call from onData
+
+    const char * errorToString(int8_t error);
+    const char * stateToString();
+
+    //Do not use any of the functions below!
+    static int8_t _s_poll(void *arg, struct tcp_pcb *tpcb);
+    static int8_t _s_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *pb, int8_t err);
+    static int8_t _s_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
+    static int8_t _s_lwip_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
+    static void _s_error(void *arg, int8_t err);
+    static int8_t _s_sent(void *arg, struct tcp_pcb *tpcb, uint16_t len);
+    static int8_t _s_connected(void* arg, void* tpcb, int8_t err);
+    static void _s_dns_found(const char *name, struct ip_addr *ipaddr, void *arg);
+
+    int8_t _recv(tcp_pcb* pcb, pbuf* pb, int8_t err);
+    tcp_pcb * pcb(){ return _pcb; }
+
+  protected:
+    tcp_pcb* _pcb;
+    int8_t  _closed_slot;
+
+    AcConnectHandler _connect_cb;
+    void* _connect_cb_arg;
+    AcConnectHandler _discard_cb;
+    void* _discard_cb_arg;
+    AcAckHandler _sent_cb;
+    void* _sent_cb_arg;
+    AcErrorHandler _error_cb;
+    void* _error_cb_arg;
+    AcDataHandler _recv_cb;
+    void* _recv_cb_arg;
+    AcPacketHandler _pb_cb;
+    void* _pb_cb_arg;
+    AcTimeoutHandler _timeout_cb;
+    void* _timeout_cb_arg;
+    AcConnectHandler _poll_cb;
+    void* _poll_cb_arg;
+
+    bool _pcb_busy;
+    uint32_t _pcb_sent_at;
+    bool _ack_pcb;
+    uint32_t _rx_ack_len;
+    uint32_t _rx_last_packet;
+    uint32_t _rx_since_timeout;
+    uint32_t _ack_timeout;
+    uint16_t _connect_port;
+
+    int8_t _close();
+    void _free_closed_slot();
+    void _allocate_closed_slot();
+    int8_t _connected(void* pcb, int8_t err);
+    void _error(int8_t err);
+    int8_t _poll(tcp_pcb* pcb);
+    int8_t _sent(tcp_pcb* pcb, uint16_t len);
+    int8_t _fin(tcp_pcb* pcb, int8_t err);
+    int8_t _lwip_fin(tcp_pcb* pcb, int8_t err);
+    void _dns_found(struct ip_addr *ipaddr);
+
+  public:
+    AsyncClient* prev;
+    AsyncClient* next;
+};
+
+class AsyncServer {
+  public:
+    AsyncServer(IPAddress addr, uint16_t port);
+    AsyncServer(uint16_t port);
+    ~AsyncServer();
+    void onClient(AcConnectHandler cb, void* arg);
+    void begin();
+    void end();
+    void setNoDelay(bool nodelay);
+    bool getNoDelay();
+    uint8_t status();
+
+    //Do not use any of the functions below!
+    static int8_t _s_accept(void *arg, tcp_pcb* newpcb, int8_t err);
+    static int8_t _s_accepted(void *arg, AsyncClient* client);
+
+  protected:
+    uint16_t _port;
+    IPAddress _addr;
+    bool _noDelay;
+    tcp_pcb* _pcb;
+    AcConnectHandler _connect_cb;
+    void* _connect_cb_arg;
+
+    int8_t _accept(tcp_pcb* newpcb, int8_t err);
+    int8_t _accepted(AsyncClient* client);
+};
+
+
+#endif /* ASYNCTCP_H_ */

yoRadio/src/AsyncWebServer/AsyncWebSocket.h

@@ -0,0 +1,350 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef ASYNCWEBSOCKET_H_
+#define ASYNCWEBSOCKET_H_
+
+#include <Arduino.h>
+#ifdef ESP32
+#include "AsyncTCP.h"
+#define WS_MAX_QUEUED_MESSAGES 32
+#else
+#include <ESPAsyncTCP.h>
+#define WS_MAX_QUEUED_MESSAGES 8
+#endif
+#include "ESPAsyncWebServer.h"
+
+#include "AsyncWebSynchronization.h"
+
+#ifdef ESP8266
+#include <Hash.h>
+#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library
+#include <../src/Hash.h>
+#endif
+#endif
+
+#ifdef ESP32
+#define DEFAULT_MAX_WS_CLIENTS 8
+#else
+#define DEFAULT_MAX_WS_CLIENTS 4
+#endif
+
+class AsyncWebSocket;
+class AsyncWebSocketResponse;
+class AsyncWebSocketClient;
+class AsyncWebSocketControl;
+
+typedef struct {
+    /** Message type as defined by enum AwsFrameType.
+     * Note: Applications will only see WS_TEXT and WS_BINARY.
+     * All other types are handled by the library. */
+    uint8_t message_opcode;
+    /** Frame number of a fragmented message. */
+    uint32_t num;
+    /** Is this the last frame in a fragmented message ?*/
+    uint8_t final;
+    /** Is this frame masked? */
+    uint8_t masked;
+    /** Message type as defined by enum AwsFrameType.
+     * This value is the same as message_opcode for non-fragmented
+     * messages, but may also be WS_CONTINUATION in a fragmented message. */
+    uint8_t opcode;
+    /** Length of the current frame.
+     * This equals the total length of the message if num == 0 && final == true */
+    uint64_t len;
+    /** Mask key */
+    uint8_t mask[4];
+    /** Offset of the data inside the current frame. */
+    uint64_t index;
+} AwsFrameInfo;
+
+typedef enum { WS_DISCONNECTED, WS_CONNECTED, WS_DISCONNECTING } AwsClientStatus;
+typedef enum { WS_CONTINUATION, WS_TEXT, WS_BINARY, WS_DISCONNECT = 0x08, WS_PING, WS_PONG } AwsFrameType;
+typedef enum { WS_MSG_SENDING, WS_MSG_SENT, WS_MSG_ERROR } AwsMessageStatus;
+typedef enum { WS_EVT_CONNECT, WS_EVT_DISCONNECT, WS_EVT_PONG, WS_EVT_ERROR, WS_EVT_DATA } AwsEventType;
+
+class AsyncWebSocketMessageBuffer {
+  private:
+    uint8_t * _data;
+    size_t _len;
+    bool _lock; 
+    uint32_t _count;  
+
+  public:
+    AsyncWebSocketMessageBuffer();
+    AsyncWebSocketMessageBuffer(size_t size);
+    AsyncWebSocketMessageBuffer(uint8_t * data, size_t size); 
+    AsyncWebSocketMessageBuffer(const AsyncWebSocketMessageBuffer &); 
+    AsyncWebSocketMessageBuffer(AsyncWebSocketMessageBuffer &&); 
+    ~AsyncWebSocketMessageBuffer(); 
+    void operator ++(int i) { (void)i; _count++; }
+    void operator --(int i) { (void)i; if (_count > 0) { _count--; } ;  }
+    bool reserve(size_t size);
+    void lock() { _lock = true; }
+    void unlock() { _lock = false; }
+    uint8_t * get() { return _data; }
+    size_t length() { return _len; }
+    uint32_t count() { return _count; }
+    bool canDelete() { return (!_count && !_lock); } 
+
+    friend AsyncWebSocket; 
+
+};
+
+class AsyncWebSocketMessage {
+  protected:
+    uint8_t _opcode;
+    bool _mask;
+    AwsMessageStatus _status;
+  public:
+    AsyncWebSocketMessage():_opcode(WS_TEXT),_mask(false),_status(WS_MSG_ERROR){}
+    virtual ~AsyncWebSocketMessage(){}
+    virtual void ack(size_t len __attribute__((unused)), uint32_t time __attribute__((unused))){}
+    virtual size_t send(AsyncClient *client __attribute__((unused))){ return 0; }
+    virtual bool finished(){ return _status != WS_MSG_SENDING; }
+    virtual bool betweenFrames() const { return false; }
+};
+
+class AsyncWebSocketBasicMessage: public AsyncWebSocketMessage {
+  private:
+    size_t _len;
+    size_t _sent;
+    size_t _ack;
+    size_t _acked;
+    uint8_t * _data;
+public:
+    AsyncWebSocketBasicMessage(const char * data, size_t len, uint8_t opcode=WS_TEXT, bool mask=false);
+    AsyncWebSocketBasicMessage(uint8_t opcode=WS_TEXT, bool mask=false);
+    virtual ~AsyncWebSocketBasicMessage() override;
+    virtual bool betweenFrames() const override { return _acked == _ack; }
+    virtual void ack(size_t len, uint32_t time) override ;
+    virtual size_t send(AsyncClient *client) override ;
+};
+
+class AsyncWebSocketMultiMessage: public AsyncWebSocketMessage {
+  private:
+    uint8_t * _data;
+    size_t _len;
+    size_t _sent;
+    size_t _ack;
+    size_t _acked;
+    AsyncWebSocketMessageBuffer * _WSbuffer; 
+public:
+    AsyncWebSocketMultiMessage(AsyncWebSocketMessageBuffer * buffer, uint8_t opcode=WS_TEXT, bool mask=false); 
+    virtual ~AsyncWebSocketMultiMessage() override;
+    virtual bool betweenFrames() const override { return _acked == _ack; }
+    virtual void ack(size_t len, uint32_t time) override ;
+    virtual size_t send(AsyncClient *client) override ;
+};
+
+class AsyncWebSocketClient {
+  private:
+    AsyncClient *_client;
+    AsyncWebSocket *_server;
+    uint32_t _clientId;
+    AwsClientStatus _status;
+
+    LinkedList<AsyncWebSocketControl *> _controlQueue;
+    LinkedList<AsyncWebSocketMessage *> _messageQueue;
+
+    uint8_t _pstate;
+    AwsFrameInfo _pinfo;
+
+    uint32_t _lastMessageTime;
+    uint32_t _keepAlivePeriod;
+
+    void _queueMessage(AsyncWebSocketMessage *dataMessage);
+    void _queueControl(AsyncWebSocketControl *controlMessage);
+    void _runQueue();
+
+  public:
+    void *_tempObject;
+
+    AsyncWebSocketClient(AsyncWebServerRequest *request, AsyncWebSocket *server);
+    ~AsyncWebSocketClient();
+
+    //client id increments for the given server
+    uint32_t id(){ return _clientId; }
+    AwsClientStatus status(){ return _status; }
+    AsyncClient* client(){ return _client; }
+    AsyncWebSocket *server(){ return _server; }
+    AwsFrameInfo const &pinfo() const { return _pinfo; }
+
+    IPAddress remoteIP();
+    uint16_t  remotePort();
+
+    //control frames
+    void close(uint16_t code=0, const char * message=NULL);
+    void ping(uint8_t *data=NULL, size_t len=0);
+
+    //set auto-ping period in seconds. disabled if zero (default)
+    void keepAlivePeriod(uint16_t seconds){
+      _keepAlivePeriod = seconds * 1000;
+    }
+    uint16_t keepAlivePeriod(){
+      return (uint16_t)(_keepAlivePeriod / 1000);
+    }
+
+    //data packets
+    void message(AsyncWebSocketMessage *message){ _queueMessage(message); }
+    bool queueIsFull();
+
+    size_t printf(const char *format, ...)  __attribute__ ((format (printf, 2, 3)));
+#ifndef ESP32
+    size_t printf_P(PGM_P formatP, ...)  __attribute__ ((format (printf, 2, 3)));
+#endif
+    void text(const char * message, size_t len);
+    void text(const char * message);
+    void text(uint8_t * message, size_t len);
+    void text(char * message);
+    void text(const String &message);
+    void text(const __FlashStringHelper *data);
+    void text(AsyncWebSocketMessageBuffer *buffer); 
+
+    void binary(const char * message, size_t len);
+    void binary(const char * message);
+    void binary(uint8_t * message, size_t len);
+    void binary(char * message);
+    void binary(const String &message);
+    void binary(const __FlashStringHelper *data, size_t len);
+    void binary(AsyncWebSocketMessageBuffer *buffer); 
+
+    bool canSend() { return _messageQueue.length() < WS_MAX_QUEUED_MESSAGES; }
+
+    //system callbacks (do not call)
+    void _onAck(size_t len, uint32_t time);
+    void _onError(int8_t);
+    void _onPoll();
+    void _onTimeout(uint32_t time);
+    void _onDisconnect();
+    void _onData(void *pbuf, size_t plen);
+};
+
+typedef std::function<void(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len)> AwsEventHandler;
+
+//WebServer Handler implementation that plays the role of a socket server
+class AsyncWebSocket: public AsyncWebHandler {
+  public:
+    typedef LinkedList<AsyncWebSocketClient *> AsyncWebSocketClientLinkedList;
+  private:
+    String _url;
+    AsyncWebSocketClientLinkedList _clients;
+    uint32_t _cNextId;
+    AwsEventHandler _eventHandler;
+    bool _enabled;
+    AsyncWebLock _lock;
+
+  public:
+    AsyncWebSocket(const String& url);
+    ~AsyncWebSocket();
+    const char * url() const { return _url.c_str(); }
+    void enable(bool e){ _enabled = e; }
+    bool enabled() const { return _enabled; }
+    bool availableForWriteAll();
+    bool availableForWrite(uint32_t id);
+
+    size_t count() const;
+    AsyncWebSocketClient * client(uint32_t id);
+    bool hasClient(uint32_t id){ return client(id) != NULL; }
+
+    void close(uint32_t id, uint16_t code=0, const char * message=NULL);
+    void closeAll(uint16_t code=0, const char * message=NULL);
+    void cleanupClients(uint16_t maxClients = DEFAULT_MAX_WS_CLIENTS);
+
+    void ping(uint32_t id, uint8_t *data=NULL, size_t len=0);
+    void pingAll(uint8_t *data=NULL, size_t len=0); //  done
+
+    void text(uint32_t id, const char * message, size_t len);
+    void text(uint32_t id, const char * message);
+    void text(uint32_t id, uint8_t * message, size_t len);
+    void text(uint32_t id, char * message);
+    void text(uint32_t id, const String &message);
+    void text(uint32_t id, const __FlashStringHelper *message);
+
+    void textAll(const char * message, size_t len);
+    void textAll(const char * message);
+    void textAll(uint8_t * message, size_t len);
+    void textAll(char * message);
+    void textAll(const String &message);
+    void textAll(const __FlashStringHelper *message); //  need to convert
+    void textAll(AsyncWebSocketMessageBuffer * buffer); 
+
+    void binary(uint32_t id, const char * message, size_t len);
+    void binary(uint32_t id, const char * message);
+    void binary(uint32_t id, uint8_t * message, size_t len);
+    void binary(uint32_t id, char * message);
+    void binary(uint32_t id, const String &message);
+    void binary(uint32_t id, const __FlashStringHelper *message, size_t len);
+
+    void binaryAll(const char * message, size_t len);
+    void binaryAll(const char * message);
+    void binaryAll(uint8_t * message, size_t len);
+    void binaryAll(char * message);
+    void binaryAll(const String &message);
+    void binaryAll(const __FlashStringHelper *message, size_t len);
+    void binaryAll(AsyncWebSocketMessageBuffer * buffer); 
+
+    void message(uint32_t id, AsyncWebSocketMessage *message);
+    void messageAll(AsyncWebSocketMultiMessage *message);
+
+    size_t printf(uint32_t id, const char *format, ...)  __attribute__ ((format (printf, 3, 4)));
+    size_t printfAll(const char *format, ...)  __attribute__ ((format (printf, 2, 3)));
+#ifndef ESP32
+    size_t printf_P(uint32_t id, PGM_P formatP, ...)  __attribute__ ((format (printf, 3, 4)));
+#endif
+    size_t printfAll_P(PGM_P formatP, ...)  __attribute__ ((format (printf, 2, 3)));
+
+    //event listener
+    void onEvent(AwsEventHandler handler){
+      _eventHandler = handler;
+    }
+
+    //system callbacks (do not call)
+    uint32_t _getNextId(){ return _cNextId++; }
+    void _addClient(AsyncWebSocketClient * client);
+    void _handleDisconnect(AsyncWebSocketClient * client);
+    void _handleEvent(AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len);
+    virtual bool canHandle(AsyncWebServerRequest *request) override final;
+    virtual void handleRequest(AsyncWebServerRequest *request) override final;
+
+
+    //  messagebuffer functions/objects. 
+    AsyncWebSocketMessageBuffer * makeBuffer(size_t size = 0); 
+    AsyncWebSocketMessageBuffer * makeBuffer(uint8_t * data, size_t size); 
+    LinkedList<AsyncWebSocketMessageBuffer *> _buffers;
+    void _cleanBuffers(); 
+
+    AsyncWebSocketClientLinkedList getClients() const;
+};
+
+//WebServer response to authenticate the socket and detach the tcp client from the web server request
+class AsyncWebSocketResponse: public AsyncWebServerResponse {
+  private:
+    String _content;
+    AsyncWebSocket *_server;
+  public:
+    AsyncWebSocketResponse(const String& key, AsyncWebSocket *server);
+    void _respond(AsyncWebServerRequest *request);
+    size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
+    bool _sourceValid() const { return true; }
+};
+
+
+#endif /* ASYNCWEBSOCKET_H_ */

yoRadio/src/AsyncWebServer/AsyncWebSynchronization.h

@@ -0,0 +1,87 @@
+#ifndef ASYNCWEBSYNCHRONIZATION_H_
+#define ASYNCWEBSYNCHRONIZATION_H_
+
+// Synchronisation is only available on ESP32, as the ESP8266 isn't using FreeRTOS by default
+
+#include "ESPAsyncWebServer.h"
+
+#ifdef ESP32
+
+// This is the ESP32 version of the Sync Lock, using the FreeRTOS Semaphore
+class AsyncWebLock
+{
+private:
+  SemaphoreHandle_t _lock;
+  mutable void *_lockedBy;
+
+public:
+  AsyncWebLock() {
+    _lock = xSemaphoreCreateBinary();
+    _lockedBy = NULL;
+    xSemaphoreGive(_lock);
+  }
+
+  ~AsyncWebLock() {
+    vSemaphoreDelete(_lock);
+  }
+
+  bool lock() const {
+    extern void *pxCurrentTCB;
+    if (_lockedBy != pxCurrentTCB) {
+      xSemaphoreTake(_lock, portMAX_DELAY);
+      _lockedBy = pxCurrentTCB;
+      return true;
+    }
+    return false;
+  }
+
+  void unlock() const {
+    _lockedBy = NULL;
+    xSemaphoreGive(_lock);
+  }
+};
+
+#else
+
+// This is the 8266 version of the Sync Lock which is currently unimplemented
+class AsyncWebLock
+{
+
+public:
+  AsyncWebLock() {
+  }
+
+  ~AsyncWebLock() {
+  }
+
+  bool lock() const {
+    return false;
+  }
+
+  void unlock() const {
+  }
+};
+#endif
+
+class AsyncWebLockGuard
+{
+private:
+  const AsyncWebLock *_lock;
+
+public:
+  AsyncWebLockGuard(const AsyncWebLock &l) {
+    if (l.lock()) {
+      _lock = &l;
+    } else {
+      _lock = NULL;
+    }
+  }
+
+  ~AsyncWebLockGuard() {
+    if (_lock) {
+      _lock->unlock();
+    }
+  }
+};
+
+#endif // ASYNCWEBSYNCHRONIZATION_H_

yoRadio/src/AsyncWebServer/ESPAsyncWebServer.h

@@ -0,0 +1,471 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef _ESPAsyncWebServer_H_
+#define _ESPAsyncWebServer_H_
+
+#include "Arduino.h"
+
+#include <functional>
+#include "FS.h"
+
+#include "StringArray.h"
+
+#ifdef ESP32
+#include <WiFi.h>
+#include "AsyncTCP.h"
+#elif defined(ESP8266)
+#include <ESP8266WiFi.h>
+#include <ESPAsyncTCP.h>
+#else
+#error Platform not supported
+#endif
+
+#ifdef ASYNCWEBSERVER_REGEX
+#define ASYNCWEBSERVER_REGEX_ATTRIBUTE
+#else
+#define ASYNCWEBSERVER_REGEX_ATTRIBUTE __attribute__((warning("ASYNCWEBSERVER_REGEX not defined")))
+#endif
+
+#define DEBUGF(...) //Serial.printf(__VA_ARGS__)
+
+class AsyncWebServer;
+class AsyncWebServerRequest;
+class AsyncWebServerResponse;
+class AsyncWebHeader;
+class AsyncWebParameter;
+class AsyncWebRewrite;
+class AsyncWebHandler;
+class AsyncStaticWebHandler;
+class AsyncCallbackWebHandler;
+class AsyncResponseStream;
+
+#ifndef WEBSERVER_H
+typedef enum {
+  HTTP_GET     = 0b00000001,
+  HTTP_POST    = 0b00000010,
+  HTTP_DELETE  = 0b00000100,
+  HTTP_PUT     = 0b00001000,
+  HTTP_PATCH   = 0b00010000,
+  HTTP_HEAD    = 0b00100000,
+  HTTP_OPTIONS = 0b01000000,
+  HTTP_ANY     = 0b01111111,
+} WebRequestMethod;
+#endif
+
+//if this value is returned when asked for data, packet will not be sent and you will be asked for data again
+#define RESPONSE_TRY_AGAIN 0xFFFFFFFF
+
+typedef uint8_t WebRequestMethodComposite;
+typedef std::function<void(void)> ArDisconnectHandler;
+
+/*
+ * PARAMETER :: Chainable object to hold GET/POST and FILE parameters
+ * */
+
+class AsyncWebParameter {
+  private:
+    String _name;
+    String _value;
+    size_t _size;
+    bool _isForm;
+    bool _isFile;
+
+  public:
+
+    AsyncWebParameter(const String& name, const String& value, bool form=false, bool file=false, size_t size=0): _name(name), _value(value), _size(size), _isForm(form), _isFile(file){}
+    const String& name() const { return _name; }
+    const String& value() const { return _value; }
+    size_t size() const { return _size; }
+    bool isPost() const { return _isForm; }
+    bool isFile() const { return _isFile; }
+};
+
+/*
+ * HEADER :: Chainable object to hold the headers
+ * */
+
+class AsyncWebHeader {
+  private:
+    String _name;
+    String _value;
+
+  public:
+    AsyncWebHeader(const String& name, const String& value): _name(name), _value(value){}
+    AsyncWebHeader(const String& data): _name(), _value(){
+      if(!data) return;
+      int index = data.indexOf(':');
+      if (index < 0) return;
+      _name = data.substring(0, index);
+      _value = data.substring(index + 2);
+    }
+    ~AsyncWebHeader(){}
+    const String& name() const { return _name; }
+    const String& value() const { return _value; }
+    String toString() const { return String(_name+": "+_value+"\r\n"); }
+};
+
+/*
+ * REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect
+ * */
+
+typedef enum { RCT_NOT_USED = -1, RCT_DEFAULT = 0, RCT_HTTP, RCT_WS, RCT_EVENT, RCT_MAX } RequestedConnectionType;
+
+typedef std::function<size_t(uint8_t*, size_t, size_t)> AwsResponseFiller;
+typedef std::function<String(const String&)> AwsTemplateProcessor;
+
+class AsyncWebServerRequest {
+  using File = fs::File;
+  using FS = fs::FS;
+  friend class AsyncWebServer;
+  friend class AsyncCallbackWebHandler;
+  private:
+    AsyncClient* _client;
+    AsyncWebServer* _server;
+    AsyncWebHandler* _handler;
+    AsyncWebServerResponse* _response;
+    StringArray _interestingHeaders;
+    ArDisconnectHandler _onDisconnectfn;
+
+    String _temp;
+    uint8_t _parseState;
+
+    uint8_t _version;
+    WebRequestMethodComposite _method;
+    String _url;
+    String _host;
+    String _contentType;
+    String _boundary;
+    String _authorization;
+    RequestedConnectionType _reqconntype;
+    void _removeNotInterestingHeaders();
+    bool _isDigest;
+    bool _isMultipart;
+    bool _isPlainPost;
+    bool _expectingContinue;
+    size_t _contentLength;
+    size_t _parsedLength;
+
+    LinkedList<AsyncWebHeader *> _headers;
+    LinkedList<AsyncWebParameter *> _params;
+    LinkedList<String *> _pathParams;
+
+    uint8_t _multiParseState;
+    uint8_t _boundaryPosition;
+    size_t _itemStartIndex;
+    size_t _itemSize;
+    String _itemName;
+    String _itemFilename;
+    String _itemType;
+    String _itemValue;
+    uint8_t *_itemBuffer;
+    size_t _itemBufferIndex;
+    bool _itemIsFile;
+
+    void _onPoll();
+    void _onAck(size_t len, uint32_t time);
+    void _onError(int8_t error);
+    void _onTimeout(uint32_t time);
+    void _onDisconnect();
+    void _onData(void *buf, size_t len);
+
+    void _addParam(AsyncWebParameter*);
+    void _addPathParam(const char *param);
+
+    bool _parseReqHead();
+    bool _parseReqHeader();
+    void _parseLine();
+    void _parsePlainPostChar(uint8_t data);
+    void _parseMultipartPostByte(uint8_t data, bool last);
+    void _addGetParams(const String& params);
+
+    void _handleUploadStart();
+    void _handleUploadByte(uint8_t data, bool last);
+    void _handleUploadEnd();
+
+  public:
+    File _tempFile;
+    void *_tempObject;
+
+    AsyncWebServerRequest(AsyncWebServer*, AsyncClient*);
+    ~AsyncWebServerRequest();
+
+    AsyncClient* client(){ return _client; }
+    uint8_t version() const { return _version; }
+    WebRequestMethodComposite method() const { return _method; }
+    const String& url() const { return _url; }
+    const String& host() const { return _host; }
+    const String& contentType() const { return _contentType; }
+    size_t contentLength() const { return _contentLength; }
+    bool multipart() const { return _isMultipart; }
+    const char * methodToString() const;
+    const char * requestedConnTypeToString() const;
+    RequestedConnectionType requestedConnType() const { return _reqconntype; }
+    bool isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2 = RCT_NOT_USED, RequestedConnectionType erct3 = RCT_NOT_USED);
+    void onDisconnect (ArDisconnectHandler fn);
+
+    //hash is the string representation of:
+    // base64(user:pass) for basic or
+    // user:realm:md5(user:realm:pass) for digest
+    bool authenticate(const char * hash);
+    bool authenticate(const char * username, const char * password, const char * realm = NULL, bool passwordIsHash = false);
+    void requestAuthentication(const char * realm = NULL, bool isDigest = true);
+
+    void setHandler(AsyncWebHandler *handler){ _handler = handler; }
+    void addInterestingHeader(const String& name);
+
+    void redirect(const String& url);
+
+    void send(AsyncWebServerResponse *response);
+    void send(int code, const String& contentType=String(), const String& content=String());
+    void send(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    void send(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    void send(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
+    void send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    void sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    void send_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
+    void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
+
+    AsyncWebServerResponse *beginResponse(int code, const String& contentType=String(), const String& content=String());
+    AsyncWebServerResponse *beginResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    AsyncWebServerResponse *beginResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    AsyncWebServerResponse *beginResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
+    AsyncWebServerResponse *beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    AsyncWebServerResponse *beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    AsyncResponseStream *beginResponseStream(const String& contentType, size_t bufferSize=1460);
+    AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
+    AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
+
+    size_t headers() const;                     // get header count
+    bool hasHeader(const String& name) const;   // check if header exists
+    bool hasHeader(const __FlashStringHelper * data) const;   // check if header exists
+
+    AsyncWebHeader* getHeader(const String& name) const;
+    AsyncWebHeader* getHeader(const __FlashStringHelper * data) const;
+    AsyncWebHeader* getHeader(size_t num) const;
+
+    size_t params() const;                      // get arguments count
+    bool hasParam(const String& name, bool post=false, bool file=false) const;
+    bool hasParam(const __FlashStringHelper * data, bool post=false, bool file=false) const;
+
+    AsyncWebParameter* getParam(const String& name, bool post=false, bool file=false) const;
+    AsyncWebParameter* getParam(const __FlashStringHelper * data, bool post, bool file) const; 
+    AsyncWebParameter* getParam(size_t num) const;
+
+    size_t args() const { return params(); }     // get arguments count
+    const String& arg(const String& name) const; // get request argument value by name
+    const String& arg(const __FlashStringHelper * data) const; // get request argument value by F(name)    
+    const String& arg(size_t i) const;           // get request argument value by number
+    const String& argName(size_t i) const;       // get request argument name by number
+    bool hasArg(const char* name) const;         // check if argument exists
+    bool hasArg(const __FlashStringHelper * data) const;         // check if F(argument) exists
+
+    const String& ASYNCWEBSERVER_REGEX_ATTRIBUTE pathArg(size_t i) const;
+
+    const String& header(const char* name) const;// get request header value by name
+    const String& header(const __FlashStringHelper * data) const;// get request header value by F(name)    
+    const String& header(size_t i) const;        // get request header value by number
+    const String& headerName(size_t i) const;    // get request header name by number
+    String urlDecode(const String& text) const;
+};
+
+/*
+ * FILTER :: Callback to filter AsyncWebRewrite and AsyncWebHandler (done by the Server)
+ * */
+
+typedef std::function<bool(AsyncWebServerRequest *request)> ArRequestFilterFunction;
+
+bool ON_STA_FILTER(AsyncWebServerRequest *request);
+
+bool ON_AP_FILTER(AsyncWebServerRequest *request);
+
+/*
+ * REWRITE :: One instance can be handle any Request (done by the Server)
+ * */
+
+class AsyncWebRewrite {
+  protected:
+    String _from;
+    String _toUrl;
+    String _params;
+    ArRequestFilterFunction _filter;
+  public:
+    AsyncWebRewrite(const char* from, const char* to): _from(from), _toUrl(to), _params(String()), _filter(NULL){
+      int index = _toUrl.indexOf('?');
+      if (index > 0) {
+        _params = _toUrl.substring(index +1);
+        _toUrl = _toUrl.substring(0, index);
+      }
+    }
+    virtual ~AsyncWebRewrite(){}
+    AsyncWebRewrite& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
+    bool filter(AsyncWebServerRequest *request) const { return _filter == NULL || _filter(request); }
+    const String& from(void) const { return _from; }
+    const String& toUrl(void) const { return _toUrl; }
+    const String& params(void) const { return _params; }
+    virtual bool match(AsyncWebServerRequest *request) { return from() == request->url() && filter(request); }
+};
+
+/*
+ * HANDLER :: One instance can be attached to any Request (done by the Server)
+ * */
+
+class AsyncWebHandler {
+  protected:
+    ArRequestFilterFunction _filter;
+    String _username;
+    String _password;
+  public:
+    AsyncWebHandler():_username(""), _password(""){}
+    AsyncWebHandler& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
+    AsyncWebHandler& setAuthentication(const char *username, const char *password){  _username = String(username);_password = String(password); return *this; };
+    bool filter(AsyncWebServerRequest *request){ return _filter == NULL || _filter(request); }
+    virtual ~AsyncWebHandler(){}
+    virtual bool canHandle(AsyncWebServerRequest *request __attribute__((unused))){
+      return false;
+    }
+    virtual void handleRequest(AsyncWebServerRequest *request __attribute__((unused))){}
+    virtual void handleUpload(AsyncWebServerRequest *request  __attribute__((unused)), const String& filename __attribute__((unused)), size_t index __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), bool final  __attribute__((unused))){}
+    virtual void handleBody(AsyncWebServerRequest *request __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), size_t index __attribute__((unused)), size_t total __attribute__((unused))){}
+    virtual bool isRequestHandlerTrivial(){return true;}
+};
+
+/*
+ * RESPONSE :: One instance is created for each Request (attached by the Handler)
+ * */
+
+typedef enum {
+  RESPONSE_SETUP, RESPONSE_HEADERS, RESPONSE_CONTENT, RESPONSE_WAIT_ACK, RESPONSE_END, RESPONSE_FAILED
+} WebResponseState;
+
+class AsyncWebServerResponse {
+  protected:
+    int _code;
+    LinkedList<AsyncWebHeader *> _headers;
+    String _contentType;
+    size_t _contentLength;
+    bool _sendContentLength;
+    bool _chunked;
+    size_t _headLength;
+    size_t _sentLength;
+    size_t _ackedLength;
+    size_t _writtenLength;
+    WebResponseState _state;
+    const char* _responseCodeToString(int code);
+
+  public:
+    AsyncWebServerResponse();
+    virtual ~AsyncWebServerResponse();
+    virtual void setCode(int code);
+    virtual void setContentLength(size_t len);
+    virtual void setContentType(const String& type);
+    virtual void addHeader(const String& name, const String& value);
+    virtual String _assembleHead(uint8_t version);
+    virtual bool _started() const;
+    virtual bool _finished() const;
+    virtual bool _failed() const;
+    virtual bool _sourceValid() const;
+    virtual void _respond(AsyncWebServerRequest *request);
+    virtual size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
+};
+
+/*
+ * SERVER :: One instance
+ * */
+
+typedef std::function<void(AsyncWebServerRequest *request)> ArRequestHandlerFunction;
+typedef std::function<void(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final)> ArUploadHandlerFunction;
+typedef std::function<void(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total)> ArBodyHandlerFunction;
+
+class AsyncWebServer {
+  protected:
+    AsyncServer _server;
+    LinkedList<AsyncWebRewrite*> _rewrites;
+    LinkedList<AsyncWebHandler*> _handlers;
+    AsyncCallbackWebHandler* _catchAllHandler;
+
+  public:
+    AsyncWebServer(uint16_t port);
+    ~AsyncWebServer();
+
+    void begin();
+    void end();
+
+#if ASYNC_TCP_SSL_ENABLED
+    void onSslFileRequest(AcSSlFileHandler cb, void* arg);
+    void beginSecure(const char *cert, const char *private_key_file, const char *password);
+#endif
+
+    AsyncWebRewrite& addRewrite(AsyncWebRewrite* rewrite);
+    bool removeRewrite(AsyncWebRewrite* rewrite);
+    AsyncWebRewrite& rewrite(const char* from, const char* to);
+
+    AsyncWebHandler& addHandler(AsyncWebHandler* handler);
+    bool removeHandler(AsyncWebHandler* handler);
+  
+    AsyncCallbackWebHandler& on(const char* uri, ArRequestHandlerFunction onRequest);
+    AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest);
+    AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload);
+    AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody);
+
+    AsyncStaticWebHandler& serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control = NULL);
+
+    void onNotFound(ArRequestHandlerFunction fn);  //called when handler is not assigned
+    void onFileUpload(ArUploadHandlerFunction fn); //handle file uploads
+    void onRequestBody(ArBodyHandlerFunction fn); //handle posts with plain body content (JSON often transmitted this way as a request)
+
+    void reset(); //remove all writers and handlers, with onNotFound/onFileUpload/onRequestBody 
+  
+    void _handleDisconnect(AsyncWebServerRequest *request);
+    void _attachHandler(AsyncWebServerRequest *request);
+    void _rewriteRequest(AsyncWebServerRequest *request);
+};
+
+class DefaultHeaders {
+  using headers_t = LinkedList<AsyncWebHeader *>;
+  headers_t _headers;
+  
+  DefaultHeaders()
+  :_headers(headers_t([](AsyncWebHeader *h){ delete h; }))
+  {}
+public:
+  using ConstIterator = headers_t::ConstIterator;
+
+  void addHeader(const String& name, const String& value){
+    _headers.add(new AsyncWebHeader(name, value));
+  }  
+  
+  ConstIterator begin() const { return _headers.begin(); }
+  ConstIterator end() const { return _headers.end(); }
+
+  DefaultHeaders(DefaultHeaders const &) = delete;
+  DefaultHeaders &operator=(DefaultHeaders const &) = delete;
+  static DefaultHeaders &Instance() {
+    static DefaultHeaders instance;
+    return instance;
+  }
+};
+
+#include "WebResponseImpl.h"
+#include "WebHandlerImpl.h"
+#include "AsyncWebSocket.h"
+#include "AsyncEventSource.h"
+
+#endif /* _AsyncWebServer_H_ */

yoRadio/src/AsyncWebServer/SPIFFSEditor.cpp

@@ -0,0 +1,544 @@
+#include "SPIFFSEditor.h"
+#include <FS.h>
+
+//File: edit.htm.gz, Size: 4151
+#define edit_htm_gz_len 4151
+const uint8_t edit_htm_gz[] PROGMEM = {
+ 0x1F, 0x8B, 0x08, 0x08, 0xB8, 0x94, 0xB1, 0x59, 0x00, 0x03, 0x65, 0x64, 0x69, 0x74, 0x2E, 0x68,
+ 0x74, 0x6D, 0x00, 0xB5, 0x3A, 0x0B, 0x7B, 0xDA, 0xB8, 0xB2, 0x7F, 0xC5, 0x71, 0xCF, 0x66, 0xED,
+ 0x83, 0x31, 0x90, 0xA4, 0xD9, 0xD6, 0xC4, 0xC9, 0x42, 0x92, 0x36, 0x6D, 0xF3, 0x6A, 0x80, 0xB6,
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+ 0x7C, 0x7A, 0x7D, 0x0C, 0x29, 0xC8, 0x7F, 0x21, 0x37, 0x66, 0xBB, 0xAA, 0x6C, 0xB8, 0xF3, 0xEA,
+ 0x75, 0x56, 0x2E, 0x03, 0x7A, 0x61, 0x8C, 0x58, 0x0F, 0x29, 0x7E, 0xFB, 0x7B, 0xF4, 0x9E, 0x8D,
+ 0x15, 0xD2, 0x6A, 0x5D, 0x6F, 0xCE, 0x76, 0x90, 0x67, 0x89, 0xD5, 0x43, 0x2C, 0x70, 0x97, 0x1F,
+ 0x29, 0x59, 0x95, 0x35, 0xDC, 0xF6, 0x48, 0x10, 0xE0, 0xC7, 0x5A, 0x03, 0x1B, 0x6A, 0x22, 0xB2,
+ 0xD4, 0x42, 0x22, 0x29, 0x08, 0x90, 0xD2, 0x3E, 0x84, 0x39, 0xD3, 0x92, 0x65, 0x86, 0xB2, 0xA1,
+ 0xBC, 0xFF, 0xC5, 0x9A, 0xA3, 0x64, 0x46, 0xE8, 0xCE, 0xF9, 0x6C, 0x73, 0x53, 0xD8, 0x85, 0x99,
+ 0x18, 0x05, 0x52, 0x8A, 0x01, 0x1C, 0x9A, 0x7D, 0x68, 0x2D, 0x8C, 0xB2, 0x90, 0x58, 0xAB, 0x3D,
+ 0xD2, 0xB6, 0x51, 0x55, 0x03, 0x54, 0x7C, 0x46, 0x01, 0x03, 0xCE, 0xB2, 0x24, 0x80, 0xA8, 0x8B,
+ 0x39, 0xBA, 0xB2, 0x2D, 0xC5, 0xBA, 0xD0, 0x84, 0x0E, 0xEC, 0x67, 0xC8, 0x12, 0x95, 0x97, 0xAD,
+ 0xA2, 0x27, 0x12, 0xC5, 0x77, 0x95, 0x9E, 0xC8, 0x6F, 0xE5, 0x84, 0xAA, 0xC8, 0x77, 0x88, 0x2F,
+ 0x13, 0x5C, 0xD4, 0xD1, 0x13, 0xA0, 0x24, 0x83, 0x52, 0x34, 0x60, 0x2A, 0x2C, 0x37, 0xEE, 0xEB,
+ 0xD3, 0xE9, 0xB4, 0x8E, 0xDF, 0x6A, 0xEB, 0x70, 0x82, 0xB2, 0x02, 0x5F, 0x5F, 0xC7, 0x21, 0x47,
+ 0x15, 0x58, 0xF8, 0x6E, 0xE1, 0xAC, 0xBA, 0xE8, 0x42, 0x7F, 0x2B, 0xDE, 0xD4, 0xAA, 0xD2, 0x59,
+ 0xE1, 0x73, 0x79, 0xDB, 0x7B, 0x3B, 0x2B, 0x20, 0x32, 0xC4, 0xAF, 0xB2, 0x90, 0x69, 0x20, 0x0D,
+ 0x3B, 0xE5, 0x46, 0x56, 0x25, 0x85, 0x65, 0x5C, 0xB0, 0xE3, 0x2C, 0x9D, 0x18, 0x33, 0x60, 0xDD,
+ 0x11, 0x96, 0xD2, 0x95, 0x43, 0x2D, 0x65, 0xB7, 0x0E, 0xB7, 0x0A, 0xFB, 0x70, 0x30, 0x83, 0x94,
+ 0x79, 0xFB, 0xF3, 0x4F, 0x39, 0x5B, 0xDE, 0xF6, 0x92, 0x62, 0x71, 0xE1, 0xF3, 0xFC, 0xA9, 0x35,
+ 0xAF, 0x69, 0xA5, 0xD1, 0xAF, 0xC4, 0x97, 0xBD, 0x46, 0xFE, 0x19, 0x3B, 0xFF, 0x9C, 0xAD, 0x81,
+ 0xB1, 0x43, 0x23, 0x2A, 0xDC, 0x4C, 0x8C, 0xEA, 0x2F, 0x34, 0xE6, 0x63, 0x79, 0x29, 0xBF, 0x2D,
+ 0xA0, 0x54, 0xA9, 0xD3, 0x68, 0x78, 0x3E, 0xFF, 0x9A, 0x42, 0x19, 0x1D, 0x65, 0xFE, 0x28, 0x20,
+ 0x09, 0xC5, 0x82, 0xA3, 0x41, 0xBE, 0x92, 0xFB, 0x46, 0xC0, 0x86, 0x69, 0x03, 0x93, 0x6D, 0xCB,
+ 0xDE, 0xB2, 0x77, 0x71, 0x64, 0x7F, 0x4D, 0xF7, 0x57, 0x4F, 0xD8, 0x5F, 0x34, 0x69, 0x58, 0x0B,
+ 0xE7, 0xB5, 0xAB, 0x8A, 0x4D, 0x6A, 0x83, 0xFB, 0xC4, 0xA7, 0x70, 0x3D, 0x6F, 0xB3, 0xCC, 0xB6,
+ 0x1A, 0xE4, 0x5F, 0x60, 0xD4, 0x31, 0xBA, 0x95, 0x2F, 0x92, 0xF4, 0x81, 0x7B, 0x18, 0x5B, 0x17,
+ 0x54, 0x26, 0x70, 0x49, 0xD5, 0x87, 0x34, 0xB9, 0xD3, 0x9C, 0x2F, 0x39, 0xC3, 0xB7, 0x3C, 0xA8,
+ 0x03, 0xE4, 0x37, 0x9C, 0x72, 0x39, 0xB0, 0xBF, 0x07, 0x5D, 0x33, 0x2A, 0x41, 0x79, 0xB1, 0x26,
+ 0x9B, 0xE6, 0x7C, 0x02, 0x82, 0x01, 0x70, 0xB1, 0xA3, 0x48, 0xCD, 0x2B, 0xCB, 0x98, 0x9B, 0x57,
+ 0x96, 0x54, 0xE2, 0x5F, 0x59, 0xCC, 0xDB, 0x9F, 0xFC, 0xDB, 0x4C, 0xF9, 0x7F, 0x5B, 0x28, 0x36,
+ 0x32, 0xF9, 0xE1, 0x09, 0xF7, 0x56, 0x3F, 0x45, 0xAD, 0x47, 0x51, 0xBB, 0xF7, 0xFF, 0x17, 0x53,
+ 0xE8, 0x9D, 0x36, 0x92, 0x29, 0x00, 0x00
+};
+
+#define SPIFFS_MAXLENGTH_FILEPATH 32
+const char *excludeListFile = "/.exclude.files";
+
+typedef struct ExcludeListS {
+    char *item;
+    ExcludeListS *next;
+} ExcludeList;
+
+static ExcludeList *excludes = NULL;
+
+static bool matchWild(const char *pattern, const char *testee) {
+  const char *nxPat = NULL, *nxTst = NULL;
+
+  while (*testee) {
+    if (( *pattern == '?' ) || (*pattern == *testee)){
+      pattern++;testee++;
+      continue;
+    }
+    if (*pattern=='*'){
+      nxPat=pattern++; nxTst=testee;
+      continue;
+    }
+    if (nxPat){ 
+      pattern = nxPat+1; testee=++nxTst;
+      continue;
+    }
+    return false;
+  }
+  while (*pattern=='*'){pattern++;}  
+  return (*pattern == 0);
+}
+
+static bool addExclude(const char *item){
+    size_t len = strlen(item);
+    if(!len){
+        return false;
+    }
+    ExcludeList *e = (ExcludeList *)malloc(sizeof(ExcludeList));
+    if(!e){
+        return false;
+    }
+    e->item = (char *)malloc(len+1);
+    if(!e->item){
+        free(e);
+        return false;
+    }
+    memcpy(e->item, item, len+1);
+    e->next = excludes;
+    excludes = e;
+    return true;
+}
+
+static void loadExcludeList(fs::FS &_fs, const char *filename){
+    static char linebuf[SPIFFS_MAXLENGTH_FILEPATH];
+    fs::File excludeFile=_fs.open(filename, "r");
+    if(!excludeFile){
+        //addExclude("/*.js.gz");
+        return;
+    }
+#ifdef ESP32
+    if(excludeFile.isDirectory()){
+      excludeFile.close();
+      return;
+    }
+#endif
+    if (excludeFile.size() > 0){
+      uint8_t idx;
+      bool isOverflowed = false;
+      while (excludeFile.available()){
+        linebuf[0] = '\0';
+        idx = 0;
+        int lastChar;
+        do {
+          lastChar = excludeFile.read();
+          if(lastChar != '\r'){
+            linebuf[idx++] = (char) lastChar;
+          }
+        } while ((lastChar >= 0) && (lastChar != '\n') && (idx < SPIFFS_MAXLENGTH_FILEPATH));
+
+        if(isOverflowed){
+          isOverflowed = (lastChar != '\n');
+          continue;
+        }
+        isOverflowed = (idx >= SPIFFS_MAXLENGTH_FILEPATH);
+        linebuf[idx-1] = '\0';
+        if(!addExclude(linebuf)){
+            excludeFile.close();
+            return;
+        }
+      }
+    }
+    excludeFile.close();
+}
+
+static bool isExcluded(fs::FS &_fs, const char *filename) {
+  if(excludes == NULL){
+      loadExcludeList(_fs, excludeListFile);
+  }
+  ExcludeList *e = excludes;
+  while(e){
+    if (matchWild(e->item, filename)){
+      return true;
+    }
+    e = e->next;
+  }
+  return false;
+}
+
+// WEB HANDLER IMPLEMENTATION
+
+#ifdef ESP32
+SPIFFSEditor::SPIFFSEditor(const fs::FS& fs, const String& username, const String& password)
+#else
+SPIFFSEditor::SPIFFSEditor(const String& username, const String& password, const fs::FS& fs)
+#endif
+:_fs(fs)
+,_username(username)
+,_password(password)
+,_authenticated(false)
+,_startTime(0)
+{}
+
+bool SPIFFSEditor::canHandle(AsyncWebServerRequest *request){
+  if(request->url().equalsIgnoreCase("/edit")){
+    if(request->method() == HTTP_GET){
+      if(request->hasParam("list"))
+        return true;
+      if(request->hasParam("edit")){
+        request->_tempFile = _fs.open(request->arg("edit"), "r");
+        if(!request->_tempFile){
+          return false;
+        }
+#ifdef ESP32
+        if(request->_tempFile.isDirectory()){
+          request->_tempFile.close();
+          return false;
+        }
+#endif
+      }
+      if(request->hasParam("download")){
+        request->_tempFile = _fs.open(request->arg("download"), "r");
+        if(!request->_tempFile){
+          return false;
+        }
+#ifdef ESP32
+        if(request->_tempFile.isDirectory()){
+          request->_tempFile.close();
+          return false;
+        }
+#endif
+      }
+      request->addInterestingHeader("If-Modified-Since");
+      return true;
+    }
+    else if(request->method() == HTTP_POST)
+      return true;
+    else if(request->method() == HTTP_DELETE)
+      return true;
+    else if(request->method() == HTTP_PUT)
+      return true;
+
+  }
+  return false;
+}
+
+
+void SPIFFSEditor::handleRequest(AsyncWebServerRequest *request){
+  if(_username.length() && _password.length() && !request->authenticate(_username.c_str(), _password.c_str()))
+    return request->requestAuthentication();
+
+  if(request->method() == HTTP_GET){
+    if(request->hasParam("list")){
+      String path = request->getParam("list")->value();
+#ifdef ESP32
+      File dir = _fs.open(path);
+#else
+      Dir dir = _fs.openDir(path);
+#endif
+      path = String();
+      String output = "[";
+#ifdef ESP32
+      File entry = dir.openNextFile();
+      while(entry){
+#else
+      while(dir.next()){
+        fs::File entry = dir.openFile("r");
+#endif
+        if (isExcluded(_fs, entry.name())) {
+#ifdef ESP32
+            entry = dir.openNextFile();
+#endif
+            continue;
+        }
+        if (output != "[") output += ',';
+        output += "{\"type\":\"";
+        output += "file";
+        output += "\",\"name\":\"";
+        output += String(entry.name());
+        output += "\",\"size\":";
+        output += String(entry.size());
+        output += "}";
+#ifdef ESP32
+        entry = dir.openNextFile();
+#else
+        entry.close();
+#endif
+      }
+#ifdef ESP32
+      dir.close();
+#endif
+      output += "]";
+      request->send(200, "application/json", output);
+      output = String();
+    }
+    else if(request->hasParam("edit") || request->hasParam("download")){
+      request->send(request->_tempFile, request->_tempFile.name(), String(), request->hasParam("download"));
+    }
+    else {
+      const char * buildTime = __DATE__ " " __TIME__ " GMT";
+      if (request->header("If-Modified-Since").equals(buildTime)) {
+        request->send(304);
+      } else {
+        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", edit_htm_gz, edit_htm_gz_len);
+        response->addHeader("Content-Encoding", "gzip");
+        response->addHeader("Last-Modified", buildTime);
+        request->send(response);
+      }
+    }
+  } else if(request->method() == HTTP_DELETE){
+    if(request->hasParam("path", true)){
+        _fs.remove(request->getParam("path", true)->value());
+      request->send(200, "", "DELETE: "+request->getParam("path", true)->value());
+    } else
+      request->send(404);
+  } else if(request->method() == HTTP_POST){
+    if(request->hasParam("data", true, true) && _fs.exists(request->getParam("data", true, true)->value()))
+      request->send(200, "", "UPLOADED: "+request->getParam("data", true, true)->value());
+    else
+      request->send(500);
+  } else if(request->method() == HTTP_PUT){
+    if(request->hasParam("path", true)){
+      String filename = request->getParam("path", true)->value();
+      if(_fs.exists(filename)){
+        request->send(200);
+      } else {
+        fs::File f = _fs.open(filename, "w");
+        if(f){
+          f.write((uint8_t)0x00);
+          f.close();
+          request->send(200, "", "CREATE: "+filename);
+        } else {
+          request->send(500);
+        }
+      }
+    } else
+      request->send(400);
+  }
+}
+
+void SPIFFSEditor::handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final){
+  if(!index){
+    if(!_username.length() || request->authenticate(_username.c_str(),_password.c_str())){
+      _authenticated = true;
+      request->_tempFile = _fs.open(filename, "w");
+      _startTime = millis();
+    }
+  }
+  if(_authenticated && request->_tempFile){
+    if(len){
+      request->_tempFile.write(data,len);
+    }
+    if(final){
+      request->_tempFile.close();
+    }
+  }
+}

yoRadio/src/AsyncWebServer/SPIFFSEditor.h

@@ -0,0 +1,24 @@
+#ifndef SPIFFSEditor_H_
+#define SPIFFSEditor_H_
+#include "ESPAsyncWebServer.h"
+
+class SPIFFSEditor: public AsyncWebHandler {
+  private:
+    fs::FS _fs;
+    String _username;
+    String _password; 
+    bool _authenticated;
+    uint32_t _startTime;
+  public:
+#ifdef ESP32
+    SPIFFSEditor(const fs::FS& fs, const String& username=String(), const String& password=String());
+#else
+    SPIFFSEditor(const String& username=String(), const String& password=String(), const fs::FS& fs=SPIFFS);
+#endif
+    virtual bool canHandle(AsyncWebServerRequest *request) override final;
+    virtual void handleRequest(AsyncWebServerRequest *request) override final;
+    virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final;
+    virtual bool isRequestHandlerTrivial() override final {return false;}
+};
+
+#endif

yoRadio/src/AsyncWebServer/StringArray.h

@@ -0,0 +1,193 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef STRINGARRAY_H_
+#define STRINGARRAY_H_
+
+#include "stddef.h"
+#include "WString.h"
+
+template <typename T>
+class LinkedListNode {
+    T _value;
+  public:
+    LinkedListNode<T>* next;
+    LinkedListNode(const T val): _value(val), next(nullptr) {}
+    ~LinkedListNode(){}
+    const T& value() const { return _value; };
+    T& value(){ return _value; }
+};
+
+template <typename T, template<typename> class Item = LinkedListNode>
+class LinkedList {
+  public:
+    typedef Item<T> ItemType;
+    typedef std::function<void(const T&)> OnRemove;
+    typedef std::function<bool(const T&)> Predicate;
+  private:
+    ItemType* _root;
+    OnRemove _onRemove;
+
+    class Iterator {
+      ItemType* _node;
+    public:
+      Iterator(ItemType* current = nullptr) : _node(current) {}
+      Iterator(const Iterator& i) : _node(i._node) {}
+      Iterator& operator ++() { _node = _node->next; return *this; }
+      bool operator != (const Iterator& i) const { return _node != i._node; }
+      const T& operator * () const { return _node->value(); }
+      const T* operator -> () const { return &_node->value(); }
+    };
+    
+  public:
+    typedef const Iterator ConstIterator;
+    ConstIterator begin() const { return ConstIterator(_root); }
+    ConstIterator end() const { return ConstIterator(nullptr); }
+
+    LinkedList(OnRemove onRemove) : _root(nullptr), _onRemove(onRemove) {}
+    ~LinkedList(){}
+    void add(const T& t){
+      auto it = new ItemType(t);
+      if(!_root){
+        _root = it;
+      } else {
+        auto i = _root;
+        while(i->next) i = i->next;
+        i->next = it;
+      }
+    }
+    T& front() const {
+      return _root->value();
+    }
+    
+    bool isEmpty() const {
+      return _root == nullptr;
+    }
+    size_t length() const {
+      size_t i = 0;
+      auto it = _root;
+      while(it){
+        i++;
+        it = it->next;
+      }
+      return i;
+    }
+    size_t count_if(Predicate predicate) const {
+      size_t i = 0;
+      auto it = _root;
+      while(it){
+        if (!predicate){
+          i++;
+        }
+        else if (predicate(it->value())) {
+          i++;
+        }
+        it = it->next;
+      }
+      return i;
+    }
+    const T* nth(size_t N) const {
+      size_t i = 0;
+      auto it = _root;
+      while(it){
+        if(i++ == N)
+          return &(it->value());
+        it = it->next;
+      }
+      return nullptr;
+    }
+    bool remove(const T& t){
+      auto it = _root;
+      auto pit = _root;
+      while(it){
+        if(it->value() == t){
+          if(it == _root){
+            _root = _root->next;
+          } else {
+            pit->next = it->next;
+          }
+          
+          if (_onRemove) {
+            _onRemove(it->value());
+          }
+          
+          delete it;
+          return true;
+        }
+        pit = it;
+        it = it->next;
+      }
+      return false;
+    }
+    bool remove_first(Predicate predicate){
+      auto it = _root;
+      auto pit = _root;
+      while(it){
+        if(predicate(it->value())){
+          if(it == _root){
+            _root = _root->next;
+          } else {
+            pit->next = it->next;
+          }
+          if (_onRemove) {
+            _onRemove(it->value());
+          }
+          delete it;
+          return true;
+        }
+        pit = it;
+        it = it->next;
+      }
+      return false;
+    }
+    
+    void free(){
+      while(_root != nullptr){
+        auto it = _root;
+        _root = _root->next;
+        if (_onRemove) {
+          _onRemove(it->value());
+        }
+        delete it;
+      }
+      _root = nullptr;
+    }
+};
+
+
+class StringArray : public LinkedList<String> {
+public:
+  
+  StringArray() : LinkedList(nullptr) {}
+  
+  bool containsIgnoreCase(const String& str){
+    for (const auto& s : *this) {
+      if (str.equalsIgnoreCase(s)) {
+        return true;
+      }
+    }
+    return false;
+  }
+};
+
+
+
+
+#endif /* STRINGARRAY_H_ */

yoRadio/src/AsyncWebServer/WebAuthentication.cpp

@@ -0,0 +1,235 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "WebAuthentication.h"
+#include <libb64/cencode.h>
+#ifdef ESP32
+#include "mbedtls/md5.h"
+#else
+#include "md5.h"
+#endif
+
+
+// Basic Auth hash = base64("username:password")
+
+bool checkBasicAuthentication(const char * hash, const char * username, const char * password){
+  if(username == NULL || password == NULL || hash == NULL)
+    return false;
+
+  size_t toencodeLen = strlen(username)+strlen(password)+1;
+  size_t encodedLen = base64_encode_expected_len(toencodeLen);
+  if(strlen(hash) != encodedLen)
+    return false;
+
+  char *toencode = new char[toencodeLen+1];
+  if(toencode == NULL){
+    return false;
+  }
+  char *encoded = new char[base64_encode_expected_len(toencodeLen)+1];
+  if(encoded == NULL){
+    delete[] toencode;
+    return false;
+  }
+  sprintf(toencode, "%s:%s", username, password);
+  if(base64_encode_chars(toencode, toencodeLen, encoded) > 0 && memcmp(hash, encoded, encodedLen) == 0){
+    delete[] toencode;
+    delete[] encoded;
+    return true;
+  }
+  delete[] toencode;
+  delete[] encoded;
+  return false;
+}
+
+static bool getMD5(uint8_t * data, uint16_t len, char * output){//33 bytes or more
+#ifdef ESP32
+    mbedtls_md5_context _ctx;
+#else
+    md5_context_t _ctx;
+#endif
+  uint8_t i;
+  uint8_t * _buf = (uint8_t*)malloc(16);
+  if(_buf == NULL)
+    return false;
+  memset(_buf, 0x00, 16);
+#ifdef ESP32
+  mbedtls_md5_init(&_ctx);
+  mbedtls_md5_starts_ret(&_ctx);
+  mbedtls_md5_update_ret(&_ctx, data, len);
+  mbedtls_md5_finish_ret(&_ctx, _buf);
+#else
+  MD5Init(&_ctx);
+  MD5Update(&_ctx, data, len);
+  MD5Final(_buf, &_ctx);
+#endif
+  for(i = 0; i < 16; i++) {
+    sprintf(output + (i * 2), "%02x", _buf[i]);
+  }
+  free(_buf);
+  return true;
+}
+
+static String genRandomMD5(){
+#ifdef ESP8266
+  uint32_t r = RANDOM_REG32;
+#else
+  uint32_t r = rand();
+#endif
+  char * out = (char*)malloc(33);
+  if(out == NULL || !getMD5((uint8_t*)(&r), 4, out))
+    return "";
+  String res = String(out);
+  free(out);
+  return res;
+}
+
+static String stringMD5(const String& in){
+  char * out = (char*)malloc(33);
+  if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
+    return "";
+  String res = String(out);
+  free(out);
+  return res;
+}
+
+String generateDigestHash(const char * username, const char * password, const char * realm){
+  if(username == NULL || password == NULL || realm == NULL){
+    return "";
+  }
+  char * out = (char*)malloc(33);
+  String res = String(username);
+  res.concat(":");
+  res.concat(realm);
+  res.concat(":");
+  String in = res;
+  in.concat(password);
+  if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
+    return "";
+  res.concat(out);
+  free(out);
+  return res;
+}
+
+String requestDigestAuthentication(const char * realm){
+  String header = "realm=\"";
+  if(realm == NULL)
+    header.concat("asyncesp");
+  else
+    header.concat(realm);
+  header.concat( "\", qop=\"auth\", nonce=\"");
+  header.concat(genRandomMD5());
+  header.concat("\", opaque=\"");
+  header.concat(genRandomMD5());
+  header.concat("\"");
+  return header;
+}
+
+bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri){
+  if(username == NULL || password == NULL || header == NULL || method == NULL){
+    //os_printf("AUTH FAIL: missing requred fields\n");
+    return false;
+  }
+
+  String myHeader = String(header);
+  int nextBreak = myHeader.indexOf(",");
+  if(nextBreak < 0){
+    //os_printf("AUTH FAIL: no variables\n");
+    return false;
+  }
+
+  String myUsername = String();
+  String myRealm = String();
+  String myNonce = String();
+  String myUri = String();
+  String myResponse = String();
+  String myQop = String();
+  String myNc = String();
+  String myCnonce = String();
+
+  myHeader += ", ";
+  do {
+    String avLine = myHeader.substring(0, nextBreak);
+    avLine.trim();
+    myHeader = myHeader.substring(nextBreak+1);
+    nextBreak = myHeader.indexOf(",");
+
+    int eqSign = avLine.indexOf("=");
+    if(eqSign < 0){
+      //os_printf("AUTH FAIL: no = sign\n");
+      return false;
+    }
+    String varName = avLine.substring(0, eqSign);
+    avLine = avLine.substring(eqSign + 1);
+    if(avLine.startsWith("\"")){
+      avLine = avLine.substring(1, avLine.length() - 1);
+    }
+
+    if(varName.equals("username")){
+      if(!avLine.equals(username)){
+        //os_printf("AUTH FAIL: username\n");
+        return false;
+      }
+      myUsername = avLine;
+    } else if(varName.equals("realm")){
+      if(realm != NULL && !avLine.equals(realm)){
+        //os_printf("AUTH FAIL: realm\n");
+        return false;
+      }
+      myRealm = avLine;
+    } else if(varName.equals("nonce")){
+      if(nonce != NULL && !avLine.equals(nonce)){
+        //os_printf("AUTH FAIL: nonce\n");
+        return false;
+      }
+      myNonce = avLine;
+    } else if(varName.equals("opaque")){
+      if(opaque != NULL && !avLine.equals(opaque)){
+        //os_printf("AUTH FAIL: opaque\n");
+        return false;
+      }
+    } else if(varName.equals("uri")){
+      if(uri != NULL && !avLine.equals(uri)){
+        //os_printf("AUTH FAIL: uri\n");
+        return false;
+      }
+      myUri = avLine;
+    } else if(varName.equals("response")){
+      myResponse = avLine;
+    } else if(varName.equals("qop")){
+      myQop = avLine;
+    } else if(varName.equals("nc")){
+      myNc = avLine;
+    } else if(varName.equals("cnonce")){
+      myCnonce = avLine;
+    }
+  } while(nextBreak > 0);
+
+  String ha1 = (passwordIsHash) ? String(password) : stringMD5(myUsername + ":" + myRealm + ":" + String(password));
+  String ha2 = String(method) + ":" + myUri;
+  String response = ha1 + ":" + myNonce + ":" + myNc + ":" + myCnonce + ":" + myQop + ":" + stringMD5(ha2);
+
+  if(myResponse.equals(stringMD5(response))){
+    //os_printf("AUTH SUCCESS\n");
+    return true;
+  }
+
+  //os_printf("AUTH FAIL: password\n");
+  return false;
+}

yoRadio/src/AsyncWebServer/WebAuthentication.h

@@ -0,0 +1,34 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef WEB_AUTHENTICATION_H_
+#define WEB_AUTHENTICATION_H_
+
+#include "Arduino.h"
+
+bool checkBasicAuthentication(const char * header, const char * username, const char * password);
+String requestDigestAuthentication(const char * realm);
+bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri);
+
+//for storing hashed versions on the device that can be authenticated against
+String generateDigestHash(const char * username, const char * password, const char * realm);
+
+#endif

yoRadio/src/AsyncWebServer/WebHandlerImpl.h

@@ -0,0 +1,151 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef ASYNCWEBSERVERHANDLERIMPL_H_
+#define ASYNCWEBSERVERHANDLERIMPL_H_
+
+#include <string>
+#ifdef ASYNCWEBSERVER_REGEX
+#include <regex>
+#endif
+
+#include "stddef.h"
+#include <time.h>
+
+class AsyncStaticWebHandler: public AsyncWebHandler {
+   using File = fs::File;
+   using FS = fs::FS;
+  private:
+    bool _getFile(AsyncWebServerRequest *request);
+    bool _fileExists(AsyncWebServerRequest *request, const String& path);
+    uint8_t _countBits(const uint8_t value) const;
+  protected:
+    FS _fs;
+    String _uri;
+    String _path;
+    String _default_file;
+    String _cache_control;
+    String _last_modified;
+    AwsTemplateProcessor _callback;
+    bool _isDir;
+    bool _gzipFirst;
+    uint8_t _gzipStats;
+  public:
+    AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control);
+    virtual bool canHandle(AsyncWebServerRequest *request) override final;
+    virtual void handleRequest(AsyncWebServerRequest *request) override final;
+    AsyncStaticWebHandler& setIsDir(bool isDir);
+    AsyncStaticWebHandler& setDefaultFile(const char* filename);
+    AsyncStaticWebHandler& setCacheControl(const char* cache_control);
+    AsyncStaticWebHandler& setLastModified(const char* last_modified);
+    AsyncStaticWebHandler& setLastModified(struct tm* last_modified);
+  #ifdef ESP8266
+    AsyncStaticWebHandler& setLastModified(time_t last_modified);
+    AsyncStaticWebHandler& setLastModified(); //sets to current time. Make sure sntp is runing and time is updated
+  #endif
+    AsyncStaticWebHandler& setTemplateProcessor(AwsTemplateProcessor newCallback) {_callback = newCallback; return *this;}
+};
+
+class AsyncCallbackWebHandler: public AsyncWebHandler {
+  private:
+  protected:
+    String _uri;
+    WebRequestMethodComposite _method;
+    ArRequestHandlerFunction _onRequest;
+    ArUploadHandlerFunction _onUpload;
+    ArBodyHandlerFunction _onBody;
+    bool _isRegex;
+  public:
+    AsyncCallbackWebHandler() : _uri(), _method(HTTP_ANY), _onRequest(NULL), _onUpload(NULL), _onBody(NULL), _isRegex(false) {}
+    void setUri(const String& uri){ 
+      _uri = uri; 
+      _isRegex = uri.startsWith("^") && uri.endsWith("$");
+    }
+    void setMethod(WebRequestMethodComposite method){ _method = method; }
+    void onRequest(ArRequestHandlerFunction fn){ _onRequest = fn; }
+    void onUpload(ArUploadHandlerFunction fn){ _onUpload = fn; }
+    void onBody(ArBodyHandlerFunction fn){ _onBody = fn; }
+
+    virtual bool canHandle(AsyncWebServerRequest *request) override final{
+
+      if(!_onRequest)
+        return false;
+
+      if(!(_method & request->method()))
+        return false;
+
+#ifdef ASYNCWEBSERVER_REGEX
+      if (_isRegex) {
+        std::regex pattern(_uri.c_str());
+        std::smatch matches;
+        std::string s(request->url().c_str());
+        if(std::regex_search(s, matches, pattern)) {
+          for (size_t i = 1; i < matches.size(); ++i) { // start from 1
+            request->_addPathParam(matches[i].str().c_str());
+          }
+        } else {
+          return false;
+        }
+      } else 
+#endif
+      if (_uri.length() && _uri.startsWith("/*.")) {
+         String uriTemplate = String (_uri);
+         uriTemplate = uriTemplate.substring(uriTemplate.lastIndexOf("."));
+         if (!request->url().endsWith(uriTemplate))
+           return false;
+      }
+      else
+      if (_uri.length() && _uri.endsWith("*")) {
+        String uriTemplate = String(_uri);
+	uriTemplate = uriTemplate.substring(0, uriTemplate.length() - 1);
+        if (!request->url().startsWith(uriTemplate))
+          return false;
+      }
+      else if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/")))
+        return false;
+
+      request->addInterestingHeader("ANY");
+      return true;
+    }
+  
+    virtual void handleRequest(AsyncWebServerRequest *request) override final {
+      if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
+        return request->requestAuthentication();
+      if(_onRequest)
+        _onRequest(request);
+      else
+        request->send(500);
+    }
+    virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final {
+      if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
+        return request->requestAuthentication();
+      if(_onUpload)
+        _onUpload(request, filename, index, data, len, final);
+    }
+    virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final {
+      if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
+        return request->requestAuthentication();
+      if(_onBody)
+        _onBody(request, data, len, index, total);
+    }
+    virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;}
+};
+
+#endif /* ASYNCWEBSERVERHANDLERIMPL_H_ */

yoRadio/src/AsyncWebServer/WebHandlers.cpp

@@ -0,0 +1,220 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "ESPAsyncWebServer.h"
+#include "WebHandlerImpl.h"
+
+AsyncStaticWebHandler::AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control)
+  : _fs(fs), _uri(uri), _path(path), _default_file("index.htm"), _cache_control(cache_control), _last_modified(""), _callback(nullptr)
+{
+  // Ensure leading '/'
+  if (_uri.length() == 0 || _uri[0] != '/') _uri = "/" + _uri;
+  if (_path.length() == 0 || _path[0] != '/') _path = "/" + _path;
+
+  // If path ends with '/' we assume a hint that this is a directory to improve performance.
+  // However - if it does not end with '/' we, can't assume a file, path can still be a directory.
+  _isDir = _path[_path.length()-1] == '/';
+
+  // Remove the trailing '/' so we can handle default file
+  // Notice that root will be "" not "/"
+  if (_uri[_uri.length()-1] == '/') _uri = _uri.substring(0, _uri.length()-1);
+  if (_path[_path.length()-1] == '/') _path = _path.substring(0, _path.length()-1);
+
+  // Reset stats
+  _gzipFirst = false;
+  _gzipStats = 0xF8;
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setIsDir(bool isDir){
+  _isDir = isDir;
+  return *this;
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setDefaultFile(const char* filename){
+  _default_file = String(filename);
+  return *this;
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setCacheControl(const char* cache_control){
+  _cache_control = String(cache_control);
+  return *this;
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(const char* last_modified){
+  _last_modified = String(last_modified);
+  return *this;
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(struct tm* last_modified){
+  char result[30];
+  strftime (result,30,"%a, %d %b %Y %H:%M:%S %Z", last_modified);
+  return setLastModified((const char *)result);
+}
+
+#ifdef ESP8266
+AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(time_t last_modified){
+  return setLastModified((struct tm *)gmtime(&last_modified));
+}
+
+AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(){
+  time_t last_modified;
+  if(time(&last_modified) == 0) //time is not yet set
+    return *this;
+  return setLastModified(last_modified);
+}
+#endif
+bool AsyncStaticWebHandler::canHandle(AsyncWebServerRequest *request){
+  if(request->method() != HTTP_GET 
+    || !request->url().startsWith(_uri) 
+    || !request->isExpectedRequestedConnType(RCT_DEFAULT, RCT_HTTP)
+  ){
+    return false;
+  }
+  if (_getFile(request)) {
+    // We interested in "If-Modified-Since" header to check if file was modified
+    if (_last_modified.length())
+      request->addInterestingHeader("If-Modified-Since");
+
+    if(_cache_control.length())
+      request->addInterestingHeader("If-None-Match");
+
+    DEBUGF("[AsyncStaticWebHandler::canHandle] TRUE\n");
+    return true;
+  }
+
+  return false;
+}
+
+bool AsyncStaticWebHandler::_getFile(AsyncWebServerRequest *request)
+{
+  // Remove the found uri
+  String path = request->url().substring(_uri.length());
+
+  // We can skip the file check and look for default if request is to the root of a directory or that request path ends with '/'
+  bool canSkipFileCheck = (_isDir && path.length() == 0) || (path.length() && path[path.length()-1] == '/');
+
+  path = _path + path;
+
+  // Do we have a file or .gz file
+  if (!canSkipFileCheck && _fileExists(request, path))
+    return true;
+
+  // Can't handle if not default file
+  if (_default_file.length() == 0)
+    return false;
+
+  // Try to add default file, ensure there is a trailing '/' ot the path.
+  if (path.length() == 0 || path[path.length()-1] != '/')
+    path += "/";
+  path += _default_file;
+
+  return _fileExists(request, path);
+}
+
+#ifdef ESP32
+#define FILE_IS_REAL(f) (f == true && !f.isDirectory())
+#else
+#define FILE_IS_REAL(f) (f == true)
+#endif
+
+bool AsyncStaticWebHandler::_fileExists(AsyncWebServerRequest *request, const String& path)
+{
+  bool fileFound = false;
+  bool gzipFound = false;
+
+  String gzip = path + ".gz";
+
+  if (_gzipFirst) {
+    request->_tempFile = _fs.open(gzip, "r");
+    gzipFound = FILE_IS_REAL(request->_tempFile);
+    if (!gzipFound){
+      request->_tempFile = _fs.open(path, "r");
+      fileFound = FILE_IS_REAL(request->_tempFile);
+    }
+  } else {
+    request->_tempFile = _fs.open(path, "r");
+    fileFound = FILE_IS_REAL(request->_tempFile);
+    if (!fileFound){
+      request->_tempFile = _fs.open(gzip, "r");
+      gzipFound = FILE_IS_REAL(request->_tempFile);
+    }
+  }
+
+  bool found = fileFound || gzipFound;
+
+  if (found) {
+    // Extract the file name from the path and keep it in _tempObject
+    size_t pathLen = path.length();
+    char * _tempPath = (char*)malloc(pathLen+1);
+    snprintf(_tempPath, pathLen+1, "%s", path.c_str());
+    request->_tempObject = (void*)_tempPath;
+
+    // Calculate gzip statistic
+    _gzipStats = (_gzipStats << 1) + (gzipFound ? 1 : 0);
+    if (_gzipStats == 0x00) _gzipFirst = false; // All files are not gzip
+    else if (_gzipStats == 0xFF) _gzipFirst = true; // All files are gzip
+    else _gzipFirst = _countBits(_gzipStats) > 4; // IF we have more gzip files - try gzip first
+  }
+
+  return found;
+}
+
+uint8_t AsyncStaticWebHandler::_countBits(const uint8_t value) const
+{
+  uint8_t w = value;
+  uint8_t n;
+  for (n=0; w!=0; n++) w&=w-1;
+  return n;
+}
+
+void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest *request)
+{
+  // Get the filename from request->_tempObject and free it
+  String filename = String((char*)request->_tempObject);
+  free(request->_tempObject);
+  request->_tempObject = NULL;
+  if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
+      return request->requestAuthentication();
+
+  if (request->_tempFile == true) {
+    String etag = String(request->_tempFile.size());
+    if (_last_modified.length() && _last_modified == request->header("If-Modified-Since")) {
+      request->_tempFile.close();
+      request->send(304); // Not modified
+    } else if (_cache_control.length() && request->hasHeader("If-None-Match") && request->header("If-None-Match").equals(etag)) {
+      request->_tempFile.close();
+      AsyncWebServerResponse * response = new AsyncBasicResponse(304); // Not modified
+      response->addHeader("Cache-Control", _cache_control);
+      response->addHeader("ETag", etag);
+      request->send(response);
+    } else {
+      AsyncWebServerResponse * response = new AsyncFileResponse(request->_tempFile, filename, String(), false, _callback);
+      if (_last_modified.length())
+        response->addHeader("Last-Modified", _last_modified);
+      if (_cache_control.length()){
+        response->addHeader("Cache-Control", _cache_control);
+        response->addHeader("ETag", etag);
+      }
+      request->send(response);
+    }
+  } else {
+    request->send(404);
+  }
+}

yoRadio/src/AsyncWebServer/WebResponseImpl.h

@@ -0,0 +1,136 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef ASYNCWEBSERVERRESPONSEIMPL_H_
+#define ASYNCWEBSERVERRESPONSEIMPL_H_
+
+#ifdef Arduino_h
+// arduino is not compatible with std::vector
+#undef min
+#undef max
+#endif
+#include <vector>
+// It is possible to restore these defines, but one can use _min and _max instead. Or std::min, std::max.
+
+class AsyncBasicResponse: public AsyncWebServerResponse {
+  private:
+    String _content;
+  public:
+    AsyncBasicResponse(int code, const String& contentType=String(), const String& content=String());
+    void _respond(AsyncWebServerRequest *request);
+    size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
+    bool _sourceValid() const { return true; }
+};
+
+class AsyncAbstractResponse: public AsyncWebServerResponse {
+  private:
+    String _head;
+    // Data is inserted into cache at begin(). 
+    // This is inefficient with vector, but if we use some other container, 
+    // we won't be able to access it as contiguous array of bytes when reading from it,
+    // so by gaining performance in one place, we'll lose it in another.
+    std::vector<uint8_t> _cache;
+    size_t _readDataFromCacheOrContent(uint8_t* data, const size_t len);
+    size_t _fillBufferAndProcessTemplates(uint8_t* buf, size_t maxLen);
+  protected:
+    AwsTemplateProcessor _callback;
+  public:
+    AsyncAbstractResponse(AwsTemplateProcessor callback=nullptr);
+    void _respond(AsyncWebServerRequest *request);
+    size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
+    bool _sourceValid() const { return false; }
+    virtual size_t _fillBuffer(uint8_t *buf __attribute__((unused)), size_t maxLen __attribute__((unused))) { return 0; }
+};
+
+#ifndef TEMPLATE_PLACEHOLDER
+#define TEMPLATE_PLACEHOLDER '%'
+#endif
+
+#define TEMPLATE_PARAM_NAME_LENGTH 32
+class AsyncFileResponse: public AsyncAbstractResponse {
+  using File = fs::File;
+  using FS = fs::FS;
+  private:
+    File _content;
+    String _path;
+    void _setContentType(const String& path);
+  public:
+    AsyncFileResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    AsyncFileResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
+    ~AsyncFileResponse();
+    bool _sourceValid() const { return !!(_content); }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+};
+
+class AsyncStreamResponse: public AsyncAbstractResponse {
+  private:
+    Stream *_content;
+  public:
+    AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
+    bool _sourceValid() const { return !!(_content); }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+};
+
+class AsyncCallbackResponse: public AsyncAbstractResponse {
+  private:
+    AwsResponseFiller _content;
+    size_t _filledLength;
+  public:
+    AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    bool _sourceValid() const { return !!(_content); }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+};
+
+class AsyncChunkedResponse: public AsyncAbstractResponse {
+  private:
+    AwsResponseFiller _content;
+    size_t _filledLength;
+  public:
+    AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
+    bool _sourceValid() const { return !!(_content); }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+};
+
+class AsyncProgmemResponse: public AsyncAbstractResponse {
+  private:
+    const uint8_t * _content;
+    size_t _readLength;
+  public:
+    AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
+    bool _sourceValid() const { return true; }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+};
+
+class cbuf;
+
+class AsyncResponseStream: public AsyncAbstractResponse, public Print {
+  private:
+    cbuf *_content;
+  public:
+    AsyncResponseStream(const String& contentType, size_t bufferSize);
+    ~AsyncResponseStream();
+    bool _sourceValid() const { return (_state < RESPONSE_END); }
+    virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
+    size_t write(const uint8_t *data, size_t len);
+    size_t write(uint8_t data);
+    using Print::write;
+};
+
+#endif /* ASYNCWEBSERVERRESPONSEIMPL_H_ */

yoRadio/src/AsyncWebServer/WebResponses.cpp

@@ -0,0 +1,699 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "ESPAsyncWebServer.h"
+#include "WebResponseImpl.h"
+#include "cbuf.h"
+
+// Since ESP8266 does not link memchr by default, here's its implementation.
+void* memchr(void* ptr, int ch, size_t count)
+{
+  unsigned char* p = static_cast<unsigned char*>(ptr);
+  while(count--)
+    if(*p++ == static_cast<unsigned char>(ch))
+      return --p;
+  return nullptr;
+}
+
+
+/*
+ * Abstract Response
+ * */
+const char* AsyncWebServerResponse::_responseCodeToString(int code) {
+  switch (code) {
+    case 100: return "Continue";
+    case 101: return "Switching Protocols";
+    case 200: return "OK";
+    case 201: return "Created";
+    case 202: return "Accepted";
+    case 203: return "Non-Authoritative Information";
+    case 204: return "No Content";
+    case 205: return "Reset Content";
+    case 206: return "Partial Content";
+    case 300: return "Multiple Choices";
+    case 301: return "Moved Permanently";
+    case 302: return "Found";
+    case 303: return "See Other";
+    case 304: return "Not Modified";
+    case 305: return "Use Proxy";
+    case 307: return "Temporary Redirect";
+    case 400: return "Bad Request";
+    case 401: return "Unauthorized";
+    case 402: return "Payment Required";
+    case 403: return "Forbidden";
+    case 404: return "Not Found";
+    case 405: return "Method Not Allowed";
+    case 406: return "Not Acceptable";
+    case 407: return "Proxy Authentication Required";
+    case 408: return "Request Time-out";
+    case 409: return "Conflict";
+    case 410: return "Gone";
+    case 411: return "Length Required";
+    case 412: return "Precondition Failed";
+    case 413: return "Request Entity Too Large";
+    case 414: return "Request-URI Too Large";
+    case 415: return "Unsupported Media Type";
+    case 416: return "Requested range not satisfiable";
+    case 417: return "Expectation Failed";
+    case 500: return "Internal Server Error";
+    case 501: return "Not Implemented";
+    case 502: return "Bad Gateway";
+    case 503: return "Service Unavailable";
+    case 504: return "Gateway Time-out";
+    case 505: return "HTTP Version not supported";
+    default:  return "";
+  }
+}
+
+AsyncWebServerResponse::AsyncWebServerResponse()
+  : _code(0)
+  , _headers(LinkedList<AsyncWebHeader *>([](AsyncWebHeader *h){ delete h; }))
+  , _contentType()
+  , _contentLength(0)
+  , _sendContentLength(true)
+  , _chunked(false)
+  , _headLength(0)
+  , _sentLength(0)
+  , _ackedLength(0)
+  , _writtenLength(0)
+  , _state(RESPONSE_SETUP)
+{
+  for(auto header: DefaultHeaders::Instance()) {
+    _headers.add(new AsyncWebHeader(header->name(), header->value()));
+  }
+}
+
+AsyncWebServerResponse::~AsyncWebServerResponse(){
+  _headers.free();
+}
+
+void AsyncWebServerResponse::setCode(int code){
+  if(_state == RESPONSE_SETUP)
+    _code = code;
+}
+
+void AsyncWebServerResponse::setContentLength(size_t len){
+  if(_state == RESPONSE_SETUP)
+    _contentLength = len;
+}
+
+void AsyncWebServerResponse::setContentType(const String& type){
+  if(_state == RESPONSE_SETUP)
+    _contentType = type;
+}
+
+void AsyncWebServerResponse::addHeader(const String& name, const String& value){
+  _headers.add(new AsyncWebHeader(name, value));
+}
+
+String AsyncWebServerResponse::_assembleHead(uint8_t version){
+  if(version){
+    addHeader("Accept-Ranges","none");
+    if(_chunked)
+      addHeader("Transfer-Encoding","chunked");
+  }
+  String out = String();
+  int bufSize = 300;
+  char buf[bufSize];
+
+  snprintf(buf, bufSize, "HTTP/1.%d %d %s\r\n", version, _code, _responseCodeToString(_code));
+  out.concat(buf);
+
+  if(_sendContentLength) {
+    snprintf(buf, bufSize, "Content-Length: %d\r\n", _contentLength);
+    out.concat(buf);
+  }
+  if(_contentType.length()) {
+    snprintf(buf, bufSize, "Content-Type: %s\r\n", _contentType.c_str());
+    out.concat(buf);
+  }
+
+  for(const auto& header: _headers){
+    snprintf(buf, bufSize, "%s: %s\r\n", header->name().c_str(), header->value().c_str());
+    out.concat(buf);
+  }
+  _headers.free();
+
+  out.concat("\r\n");
+  _headLength = out.length();
+  return out;
+}
+
+bool AsyncWebServerResponse::_started() const { return _state > RESPONSE_SETUP; }
+bool AsyncWebServerResponse::_finished() const { return _state > RESPONSE_WAIT_ACK; }
+bool AsyncWebServerResponse::_failed() const { return _state == RESPONSE_FAILED; }
+bool AsyncWebServerResponse::_sourceValid() const { return false; }
+void AsyncWebServerResponse::_respond(AsyncWebServerRequest *request){ _state = RESPONSE_END; request->client()->close(); }
+size_t AsyncWebServerResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ (void)request; (void)len; (void)time; return 0; }
+
+/*
+ * String/Code Response
+ * */
+AsyncBasicResponse::AsyncBasicResponse(int code, const String& contentType, const String& content){
+  _code = code;
+  _content = content;
+  _contentType = contentType;
+  if(_content.length()){
+    _contentLength = _content.length();
+    if(!_contentType.length())
+      _contentType = "text/plain";
+  }
+  addHeader("Connection","close");
+}
+
+void AsyncBasicResponse::_respond(AsyncWebServerRequest *request){
+  _state = RESPONSE_HEADERS;
+  String out = _assembleHead(request->version());
+  size_t outLen = out.length();
+  size_t space = request->client()->space();
+  if(!_contentLength && space >= outLen){
+    _writtenLength += request->client()->write(out.c_str(), outLen);
+    _state = RESPONSE_WAIT_ACK;
+  } else if(_contentLength && space >= outLen + _contentLength){
+    out += _content;
+    outLen += _contentLength;
+    _writtenLength += request->client()->write(out.c_str(), outLen);
+    _state = RESPONSE_WAIT_ACK;
+  } else if(space && space < outLen){
+    String partial = out.substring(0, space);
+    _content = out.substring(space) + _content;
+    _contentLength += outLen - space;
+    _writtenLength += request->client()->write(partial.c_str(), partial.length());
+    _state = RESPONSE_CONTENT;
+  } else if(space > outLen && space < (outLen + _contentLength)){
+    size_t shift = space - outLen;
+    outLen += shift;
+    _sentLength += shift;
+    out += _content.substring(0, shift);
+    _content = _content.substring(shift);
+    _writtenLength += request->client()->write(out.c_str(), outLen);
+    _state = RESPONSE_CONTENT;
+  } else {
+    _content = out + _content;
+    _contentLength += outLen;
+    _state = RESPONSE_CONTENT;
+  }
+}
+
+size_t AsyncBasicResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
+  (void)time;
+  _ackedLength += len;
+  if(_state == RESPONSE_CONTENT){
+    size_t available = _contentLength - _sentLength;
+    size_t space = request->client()->space();
+    //we can fit in this packet
+    if(space > available){
+      _writtenLength += request->client()->write(_content.c_str(), available);
+      _content = String();
+      _state = RESPONSE_WAIT_ACK;
+      return available;
+    }
+    //send some data, the rest on ack
+    String out = _content.substring(0, space);
+    _content = _content.substring(space);
+    _sentLength += space;
+    _writtenLength += request->client()->write(out.c_str(), space);
+    return space;
+  } else if(_state == RESPONSE_WAIT_ACK){
+    if(_ackedLength >= _writtenLength){
+      _state = RESPONSE_END;
+    }
+  }
+  return 0;
+}
+
+
+/*
+ * Abstract Response
+ * */
+
+AsyncAbstractResponse::AsyncAbstractResponse(AwsTemplateProcessor callback): _callback(callback)
+{
+  // In case of template processing, we're unable to determine real response size
+  if(callback) {
+    _contentLength = 0;
+    _sendContentLength = false;
+    _chunked = true;
+  }
+}
+
+void AsyncAbstractResponse::_respond(AsyncWebServerRequest *request){
+  addHeader("Connection","close");
+  _head = _assembleHead(request->version());
+  _state = RESPONSE_HEADERS;
+  _ack(request, 0, 0);
+}
+
+size_t AsyncAbstractResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
+  (void)time;
+  if(!_sourceValid()){
+    _state = RESPONSE_FAILED;
+    request->client()->close();
+    return 0;
+  }
+  _ackedLength += len;
+  size_t space = request->client()->space();
+
+  size_t headLen = _head.length();
+  if(_state == RESPONSE_HEADERS){
+    if(space >= headLen){
+      _state = RESPONSE_CONTENT;
+      space -= headLen;
+    } else {
+      String out = _head.substring(0, space);
+      _head = _head.substring(space);
+      _writtenLength += request->client()->write(out.c_str(), out.length());
+      return out.length();
+    }
+  }
+
+  if(_state == RESPONSE_CONTENT){
+    size_t outLen;
+    if(_chunked){
+      if(space <= 8){
+        return 0;
+      }
+      outLen = space;
+    } else if(!_sendContentLength){
+      outLen = space;
+    } else {
+      outLen = ((_contentLength - _sentLength) > space)?space:(_contentLength - _sentLength);
+    }
+
+    uint8_t *buf = (uint8_t *)malloc(outLen+headLen);
+    if (!buf) {
+      // os_printf("_ack malloc %d failed\n", outLen+headLen);
+      return 0;
+    }
+
+    if(headLen){
+      memcpy(buf, _head.c_str(), _head.length());
+    }
+
+    size_t readLen = 0;
+
+    if(_chunked){
+      // HTTP 1.1 allows leading zeros in chunk length. Or spaces may be added.
+      // See RFC2616 sections 2, 3.6.1.
+      readLen = _fillBufferAndProcessTemplates(buf+headLen+6, outLen - 8);
+      if(readLen == RESPONSE_TRY_AGAIN){
+          free(buf);
+          return 0;
+      }
+      outLen = sprintf((char*)buf+headLen, "%x", readLen) + headLen;
+      while(outLen < headLen + 4) buf[outLen++] = ' ';
+      buf[outLen++] = '\r';
+      buf[outLen++] = '\n';
+      outLen += readLen;
+      buf[outLen++] = '\r';
+      buf[outLen++] = '\n';
+    } else {
+      readLen = _fillBufferAndProcessTemplates(buf+headLen, outLen);
+      if(readLen == RESPONSE_TRY_AGAIN){
+          free(buf);
+          return 0;
+      }
+      outLen = readLen + headLen;
+    }
+
+    if(headLen){
+        _head = String();
+    }
+
+    if(outLen){
+        _writtenLength += request->client()->write((const char*)buf, outLen);
+    }
+
+    if(_chunked){
+        _sentLength += readLen;
+    } else {
+        _sentLength += outLen - headLen;
+    }
+
+    free(buf);
+
+    if((_chunked && readLen == 0) || (!_sendContentLength && outLen == 0) || (!_chunked && _sentLength == _contentLength)){
+      _state = RESPONSE_WAIT_ACK;
+    }
+    return outLen;
+
+  } else if(_state == RESPONSE_WAIT_ACK){
+    if(!_sendContentLength || _ackedLength >= _writtenLength){
+      _state = RESPONSE_END;
+      if(!_chunked && !_sendContentLength)
+        request->client()->close(true);
+    }
+  }
+  return 0;
+}
+
+size_t AsyncAbstractResponse::_readDataFromCacheOrContent(uint8_t* data, const size_t len)
+{
+    // If we have something in cache, copy it to buffer
+    const size_t readFromCache = std::min(len, _cache.size());
+    if(readFromCache) {
+      memcpy(data, _cache.data(), readFromCache);
+      _cache.erase(_cache.begin(), _cache.begin() + readFromCache);
+    }
+    // If we need to read more...
+    const size_t needFromFile = len - readFromCache;
+    const size_t readFromContent = _fillBuffer(data + readFromCache, needFromFile);
+    return readFromCache + readFromContent;
+}
+
+size_t AsyncAbstractResponse::_fillBufferAndProcessTemplates(uint8_t* data, size_t len)
+{
+  if(!_callback)
+    return _fillBuffer(data, len);
+
+  const size_t originalLen = len;
+  len = _readDataFromCacheOrContent(data, len);
+  // Now we've read 'len' bytes, either from cache or from file
+  // Search for template placeholders
+  uint8_t* pTemplateStart = data;
+  while((pTemplateStart < &data[len]) && (pTemplateStart = (uint8_t*)memchr(pTemplateStart, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart + 1))) { // data[0] ... data[len - 1]
+    uint8_t* pTemplateEnd = (pTemplateStart < &data[len - 1]) ? (uint8_t*)memchr(pTemplateStart + 1, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart) : nullptr;
+    // temporary buffer to hold parameter name
+    uint8_t buf[TEMPLATE_PARAM_NAME_LENGTH + 1];
+    String paramName;
+    // If closing placeholder is found:
+    if(pTemplateEnd) {
+      // prepare argument to callback
+      const size_t paramNameLength = std::min(sizeof(buf) - 1, (unsigned int)(pTemplateEnd - pTemplateStart - 1));
+      if(paramNameLength) {
+        memcpy(buf, pTemplateStart + 1, paramNameLength);
+        buf[paramNameLength] = 0;
+        paramName = String(reinterpret_cast<char*>(buf));
+      } else { // double percent sign encountered, this is single percent sign escaped.
+        // remove the 2nd percent sign
+        memmove(pTemplateEnd, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
+        len += _readDataFromCacheOrContent(&data[len - 1], 1) - 1;
+        ++pTemplateStart;
+      }
+    } else if(&data[len - 1] - pTemplateStart + 1 < TEMPLATE_PARAM_NAME_LENGTH + 2) { // closing placeholder not found, check if it's in the remaining file data
+      memcpy(buf, pTemplateStart + 1, &data[len - 1] - pTemplateStart);
+      const size_t readFromCacheOrContent = _readDataFromCacheOrContent(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PARAM_NAME_LENGTH + 2 - (&data[len - 1] - pTemplateStart + 1));
+      if(readFromCacheOrContent) {
+        pTemplateEnd = (uint8_t*)memchr(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PLACEHOLDER, readFromCacheOrContent);
+        if(pTemplateEnd) {
+          // prepare argument to callback
+          *pTemplateEnd = 0;
+          paramName = String(reinterpret_cast<char*>(buf));
+          // Copy remaining read-ahead data into cache
+          _cache.insert(_cache.begin(), pTemplateEnd + 1, buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
+          pTemplateEnd = &data[len - 1];
+        }
+        else // closing placeholder not found in file data, store found percent symbol as is and advance to the next position
+        {
+          // but first, store read file data in cache
+          _cache.insert(_cache.begin(), buf + (&data[len - 1] - pTemplateStart), buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
+          ++pTemplateStart;
+        }
+      }
+      else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
+        ++pTemplateStart;
+    }
+    else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
+      ++pTemplateStart;
+    if(paramName.length()) {
+      // call callback and replace with result.
+      // Everything in range [pTemplateStart, pTemplateEnd] can be safely replaced with parameter value.
+      // Data after pTemplateEnd may need to be moved.
+      // The first byte of data after placeholder is located at pTemplateEnd + 1.
+      // It should be located at pTemplateStart + numBytesCopied (to begin right after inserted parameter value).
+      const String paramValue(_callback(paramName));
+      const char* pvstr = paramValue.c_str();
+      const unsigned int pvlen = paramValue.length();
+      const size_t numBytesCopied = std::min(pvlen, static_cast<unsigned int>(&data[originalLen - 1] - pTemplateStart + 1));
+      // make room for param value
+      // 1. move extra data to cache if parameter value is longer than placeholder AND if there is no room to store
+      if((pTemplateEnd + 1 < pTemplateStart + numBytesCopied) && (originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1) < len)) {
+        _cache.insert(_cache.begin(), &data[originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1)], &data[len]);
+        //2. parameter value is longer than placeholder text, push the data after placeholder which not saved into cache further to the end
+        memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[originalLen] - pTemplateStart - numBytesCopied);
+        len = originalLen; // fix issue with truncated data, not sure if it has any side effects
+      } else if(pTemplateEnd + 1 != pTemplateStart + numBytesCopied)
+        //2. Either parameter value is shorter than placeholder text OR there is enough free space in buffer to fit.
+        //   Move the entire data after the placeholder
+        memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
+      // 3. replace placeholder with actual value
+      memcpy(pTemplateStart, pvstr, numBytesCopied);
+      // If result is longer than buffer, copy the remainder into cache (this could happen only if placeholder text itself did not fit entirely in buffer)
+      if(numBytesCopied < pvlen) {
+        _cache.insert(_cache.begin(), pvstr + numBytesCopied, pvstr + pvlen);
+      } else if(pTemplateStart + numBytesCopied < pTemplateEnd + 1) { // result is copied fully; if result is shorter than placeholder text...
+        // there is some free room, fill it from cache
+        const size_t roomFreed = pTemplateEnd + 1 - pTemplateStart - numBytesCopied;
+        const size_t totalFreeRoom = originalLen - len + roomFreed;
+        len += _readDataFromCacheOrContent(&data[len - roomFreed], totalFreeRoom) - roomFreed;
+      } else { // result is copied fully; it is longer than placeholder text
+        const size_t roomTaken = pTemplateStart + numBytesCopied - pTemplateEnd - 1;
+        len = std::min(len + roomTaken, originalLen);
+      }
+    }
+  } // while(pTemplateStart)
+  return len;
+}
+
+
+/*
+ * File Response
+ * */
+
+AsyncFileResponse::~AsyncFileResponse(){
+  if(_content)
+    _content.close();
+}
+
+void AsyncFileResponse::_setContentType(const String& path){
+  if (path.endsWith(".html")) _contentType = "text/html";
+  else if (path.endsWith(".htm")) _contentType = "text/html";
+  else if (path.endsWith(".css")) _contentType = "text/css";
+  else if (path.endsWith(".json")) _contentType = "application/json";
+  else if (path.endsWith(".js")) _contentType = "application/javascript";
+  else if (path.endsWith(".png")) _contentType = "image/png";
+  else if (path.endsWith(".gif")) _contentType = "image/gif";
+  else if (path.endsWith(".jpg")) _contentType = "image/jpeg";
+  else if (path.endsWith(".ico")) _contentType = "image/x-icon";
+  else if (path.endsWith(".svg")) _contentType = "image/svg+xml";
+  else if (path.endsWith(".eot")) _contentType = "font/eot";
+  else if (path.endsWith(".woff")) _contentType = "font/woff";
+  else if (path.endsWith(".woff2")) _contentType = "font/woff2";
+  else if (path.endsWith(".ttf")) _contentType = "font/ttf";
+  else if (path.endsWith(".xml")) _contentType = "text/xml";
+  else if (path.endsWith(".pdf")) _contentType = "application/pdf";
+  else if (path.endsWith(".zip")) _contentType = "application/zip";
+  else if(path.endsWith(".gz")) _contentType = "application/x-gzip";
+  else _contentType = "text/plain";
+}
+
+AsyncFileResponse::AsyncFileResponse(FS &fs, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){
+  _code = 200;
+  _path = path;
+
+  if(!download && !fs.exists(_path) && fs.exists(_path+".gz")){
+    _path = _path+".gz";
+    addHeader("Content-Encoding", "gzip");
+    _callback = nullptr; // Unable to process zipped templates
+    _sendContentLength = true;
+    _chunked = false;
+  }
+
+  _content = fs.open(_path, "r");
+  _contentLength = _content.size();
+
+  if(contentType == "")
+    _setContentType(path);
+  else
+    _contentType = contentType;
+
+  int filenameStart = path.lastIndexOf('/') + 1;
+  char buf[26+path.length()-filenameStart];
+  char* filename = (char*)path.c_str() + filenameStart;
+
+  if(download) {
+    // set filename and force download
+    snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename);
+  } else {
+    // set filename and force rendering
+    snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename);
+  }
+  addHeader("Content-Disposition", buf);
+}
+
+AsyncFileResponse::AsyncFileResponse(File content, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){
+  _code = 200;
+  _path = path;
+
+  if(!download && String(content.name()).endsWith(".gz") && !path.endsWith(".gz")){
+    addHeader("Content-Encoding", "gzip");
+    _callback = nullptr; // Unable to process gzipped templates
+    _sendContentLength = true;
+    _chunked = false;
+  }
+
+  _content = content;
+  _contentLength = _content.size();
+
+  if(contentType == "")
+    _setContentType(path);
+  else
+    _contentType = contentType;
+
+  int filenameStart = path.lastIndexOf('/') + 1;
+  char buf[26+path.length()-filenameStart];
+  char* filename = (char*)path.c_str() + filenameStart;
+
+  if(download) {
+    snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename);
+  } else {
+    snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename);
+  }
+  addHeader("Content-Disposition", buf);
+}
+
+size_t AsyncFileResponse::_fillBuffer(uint8_t *data, size_t len){
+  return _content.read(data, len);
+}
+
+/*
+ * Stream Response
+ * */
+
+AsyncStreamResponse::AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) {
+  _code = 200;
+  _content = &stream;
+  _contentLength = len;
+  _contentType = contentType;
+}
+
+size_t AsyncStreamResponse::_fillBuffer(uint8_t *data, size_t len){
+  size_t available = _content->available();
+  size_t outLen = (available > len)?len:available;
+  size_t i;
+  for(i=0;i<outLen;i++)
+    data[i] = _content->read();
+  return outLen;
+}
+
+/*
+ * Callback Response
+ * */
+
+AsyncCallbackResponse::AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback): AsyncAbstractResponse(templateCallback) {
+  _code = 200;
+  _content = callback;
+  _contentLength = len;
+  if(!len)
+    _sendContentLength = false;
+  _contentType = contentType;
+  _filledLength = 0;
+}
+
+size_t AsyncCallbackResponse::_fillBuffer(uint8_t *data, size_t len){
+  size_t ret = _content(data, len, _filledLength);
+  if(ret != RESPONSE_TRY_AGAIN){
+      _filledLength += ret;
+  }
+  return ret;
+}
+
+/*
+ * Chunked Response
+ * */
+
+AsyncChunkedResponse::AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor processorCallback): AsyncAbstractResponse(processorCallback) {
+  _code = 200;
+  _content = callback;
+  _contentLength = 0;
+  _contentType = contentType;
+  _sendContentLength = false;
+  _chunked = true;
+  _filledLength = 0;
+}
+
+size_t AsyncChunkedResponse::_fillBuffer(uint8_t *data, size_t len){
+  size_t ret = _content(data, len, _filledLength);
+  if(ret != RESPONSE_TRY_AGAIN){
+      _filledLength += ret;
+  }
+  return ret;
+}
+
+/*
+ * Progmem Response
+ * */
+
+AsyncProgmemResponse::AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) {
+  _code = code;
+  _content = content;
+  _contentType = contentType;
+  _contentLength = len;
+  _readLength = 0;
+}
+
+size_t AsyncProgmemResponse::_fillBuffer(uint8_t *data, size_t len){
+  size_t left = _contentLength - _readLength;
+  if (left > len) {
+    memcpy_P(data, _content + _readLength, len);
+    _readLength += len;
+    return len;
+  }
+  memcpy_P(data, _content + _readLength, left);
+  _readLength += left;
+  return left;
+}
+
+
+/*
+ * Response Stream (You can print/write/printf to it, up to the contentLen bytes)
+ * */
+
+AsyncResponseStream::AsyncResponseStream(const String& contentType, size_t bufferSize){
+  _code = 200;
+  _contentLength = 0;
+  _contentType = contentType;
+  _content = new cbuf(bufferSize);
+}
+
+AsyncResponseStream::~AsyncResponseStream(){
+  delete _content;
+}
+
+size_t AsyncResponseStream::_fillBuffer(uint8_t *buf, size_t maxLen){
+  return _content->read((char*)buf, maxLen);
+}
+
+size_t AsyncResponseStream::write(const uint8_t *data, size_t len){
+  if(_started())
+    return 0;
+
+  if(len > _content->room()){
+    size_t needed = len - _content->room();
+    _content->resizeAdd(needed);
+  }
+  size_t written = _content->write((const char*)data, len);
+  _contentLength += written;
+  return written;
+}
+
+size_t AsyncResponseStream::write(uint8_t data){
+  return write(&data, 1);
+}

yoRadio/src/AsyncWebServer/WebServer.cpp

@@ -0,0 +1,193 @@
+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+  This file is part of the esp8266 core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "ESPAsyncWebServer.h"
+#include "WebHandlerImpl.h"
+
+bool ON_STA_FILTER(AsyncWebServerRequest *request) {
+  return WiFi.localIP() == request->client()->localIP();
+}
+
+bool ON_AP_FILTER(AsyncWebServerRequest *request) {
+  return WiFi.localIP() != request->client()->localIP();
+}
+
+
+AsyncWebServer::AsyncWebServer(uint16_t port)
+  : _server(port)
+  , _rewrites(LinkedList<AsyncWebRewrite*>([](AsyncWebRewrite* r){ delete r; }))
+  , _handlers(LinkedList<AsyncWebHandler*>([](AsyncWebHandler* h){ delete h; }))
+{
+  _catchAllHandler = new AsyncCallbackWebHandler();
+  if(_catchAllHandler == NULL)
+    return;
+  _server.onClient([](void *s, AsyncClient* c){
+    if(c == NULL)
+      return;
+    c->setRxTimeout(3);
+    AsyncWebServerRequest *r = new AsyncWebServerRequest((AsyncWebServer*)s, c);
+    if(r == NULL){
+      c->close(true);
+      c->free();
+      delete c;
+    }
+  }, this);
+}
+
+AsyncWebServer::~AsyncWebServer(){
+  reset();  
+  end();
+  if(_catchAllHandler) delete _catchAllHandler;
+}
+
+AsyncWebRewrite& AsyncWebServer::addRewrite(AsyncWebRewrite* rewrite){
+  _rewrites.add(rewrite);
+  return *rewrite;
+}
+
+bool AsyncWebServer::removeRewrite(AsyncWebRewrite *rewrite){
+  return _rewrites.remove(rewrite);
+}
+
+AsyncWebRewrite& AsyncWebServer::rewrite(const char* from, const char* to){
+  return addRewrite(new AsyncWebRewrite(from, to));
+}
+
+AsyncWebHandler& AsyncWebServer::addHandler(AsyncWebHandler* handler){
+  _handlers.add(handler);
+  return *handler;
+}
+
+bool AsyncWebServer::removeHandler(AsyncWebHandler *handler){
+  return _handlers.remove(handler);
+}
+
+void AsyncWebServer::begin(){
+  _server.setNoDelay(true);
+  _server.begin();
+}
+
+void AsyncWebServer::end(){
+  _server.end();
+}
+
+#if ASYNC_TCP_SSL_ENABLED
+void AsyncWebServer::onSslFileRequest(AcSSlFileHandler cb, void* arg){
+  _server.onSslFileRequest(cb, arg);
+}
+
+void AsyncWebServer::beginSecure(const char *cert, const char *key, const char *password){
+  _server.beginSecure(cert, key, password);
+}
+#endif
+
+void AsyncWebServer::_handleDisconnect(AsyncWebServerRequest *request){
+  delete request;
+}
+
+void AsyncWebServer::_rewriteRequest(AsyncWebServerRequest *request){
+  for(const auto& r: _rewrites){
+    if (r->match(request)){
+      request->_url = r->toUrl();
+      request->_addGetParams(r->params());
+    }
+  }
+}
+
+void AsyncWebServer::_attachHandler(AsyncWebServerRequest *request){
+  for(const auto& h: _handlers){
+    if (h->filter(request) && h->canHandle(request)){
+      request->setHandler(h);
+      return;
+    }
+  }
+  
+  request->addInterestingHeader("ANY");
+  request->setHandler(_catchAllHandler);
+}
+
+
+AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody){
+  AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
+  handler->setUri(uri);
+  handler->setMethod(method);
+  handler->onRequest(onRequest);
+  handler->onUpload(onUpload);
+  handler->onBody(onBody);
+  addHandler(handler);
+  return *handler;
+}
+
+AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload){
+  AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
+  handler->setUri(uri);
+  handler->setMethod(method);
+  handler->onRequest(onRequest);
+  handler->onUpload(onUpload);
+  addHandler(handler);
+  return *handler;
+}
+
+AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest){
+  AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
+  handler->setUri(uri);
+  handler->setMethod(method);
+  handler->onRequest(onRequest);
+  addHandler(handler);
+  return *handler;
+}
+
+AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, ArRequestHandlerFunction onRequest){
+  AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
+  handler->setUri(uri);
+  handler->onRequest(onRequest);
+  addHandler(handler);
+  return *handler;
+}
+
+AsyncStaticWebHandler& AsyncWebServer::serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control){
+  AsyncStaticWebHandler* handler = new AsyncStaticWebHandler(uri, fs, path, cache_control);
+  addHandler(handler);
+  return *handler;
+}
+
+void AsyncWebServer::onNotFound(ArRequestHandlerFunction fn){
+  _catchAllHandler->onRequest(fn);
+}
+
+void AsyncWebServer::onFileUpload(ArUploadHandlerFunction fn){
+  _catchAllHandler->onUpload(fn);
+}
+
+void AsyncWebServer::onRequestBody(ArBodyHandlerFunction fn){
+  _catchAllHandler->onBody(fn);
+}
+
+void AsyncWebServer::reset(){
+  _rewrites.free();
+  _handlers.free();
+  
+  if (_catchAllHandler != NULL){
+    _catchAllHandler->onRequest(NULL);
+    _catchAllHandler->onUpload(NULL);
+    _catchAllHandler->onBody(NULL);
+  }
+}
+

yoRadio/src/AsyncWebServer/edit.htm

@@ -0,0 +1,627 @@
+<!--This is the plain html source of the hex encoded Editor-Page embedded in SPIFFSEditor.cpp -->
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>ESP Editor</title>
+<style type="text/css" media="screen">
+.cm {
+  z-index: 300;
+  position: absolute;
+  left: 5px;
+  border: 1px solid #444;
+  background-color: #F5F5F5;
+  display: none;
+  box-shadow: 0 0 10px rgba( 0, 0, 0, .4 );
+  font-size: 12px;
+  font-family: sans-serif;
+  font-weight:bold;
+}
+.cm ul {
+  list-style: none;
+  top: 0;
+  left: 0;
+  margin: 0;
+  padding: 0;
+}
+.cm li {
+  position: relative;
+  min-width: 60px;
+  cursor: pointer;
+}
+.cm span {
+  color: #444;
+  display: inline-block;
+  padding: 6px;
+}
+.cm li:hover { background: #444; }
+.cm li:hover span { color: #EEE; }
+.tvu ul, .tvu li {
+  padding: 0;
+  margin: 0;
+  list-style: none;
+}
+.tvu input {
+  position: absolute;
+  opacity: 0;
+}
+.tvu {
+  font: normal 12px Verdana, Arial, Sans-serif;
+  -moz-user-select: none;
+  -webkit-user-select: none;
+  user-select: none;
+  color: #444;
+  line-height: 16px;
+}
+.tvu span {
+  margin-bottom:5px;
+  padding: 0 0 0 18px;
+  cursor: pointer;
+  display: inline-block;
+  height: 16px;
+  vertical-align: middle;
+  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAQAAAC1+jfqAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAADoSURBVBgZBcExblNBGAbA2ceegTRBuIKOgiihSZNTcC5LUHAihNJR0kGKCDcYJY6D3/77MdOinTvzAgCw8ysThIvn/VojIyMjIyPP+bS1sUQIV2s95pBDDvmbP/mdkft83tpYguZq5Jh/OeaYh+yzy8hTHvNlaxNNczm+la9OTlar1UdA/+C2A4trRCnD3jS8BB1obq2Gk6GU6QbQAS4BUaYSQAf4bhhKKTFdAzrAOwAxEUAH+KEM01SY3gM6wBsEAQB0gJ+maZoC3gI6iPYaAIBJsiRmHU0AALOeFC3aK2cWAACUXe7+AwO0lc9eTHYTAAAAAElFTkSuQmCC') no-repeat;
+  background-position: 0px 0px;
+}
+.tvu span:hover {
+  text-decoration: underline;
+}
+@media screen and (-webkit-min-device-pixel-ratio:0){
+  .tvu{
+    -webkit-animation: webkit-adjacent-element-selector-bugfix infinite 1s;
+  }
+
+  @-webkit-keyframes webkit-adjacent-element-selector-bugfix {
+    from { 
+      padding: 0;
+    } 
+    to { 
+      padding: 0;
+    }
+  }
+}
+#uploader { 
+  position: absolute;
+  top: 0;
+  right: 0;
+  left: 0;
+  height:28px;
+  line-height: 24px;
+  padding-left: 10px;
+  background-color: #444;
+  color:#EEE;
+}
+#tree { 
+  position: absolute;
+  top: 28px;
+  bottom: 0;
+  left: 0;
+  width:160px;
+  padding: 8px;
+}
+#editor, #preview { 
+  position: absolute;
+  top: 28px;
+  right: 0;
+  bottom: 0;
+  left: 160px;
+  border-left:1px solid #EEE;
+}
+#preview {
+  background-color: #EEE;
+  padding:5px;
+}
+#loader { 
+  position: absolute;
+  top: 36%;
+  right: 40%;
+}
+.loader {
+    z-index: 10000;
+    border: 8px solid #b5b5b5; /* Grey */
+    border-top: 8px solid #3498db; /* Blue */
+    border-bottom: 8px solid #3498db; /* Blue */
+    border-radius: 50%;
+    width: 240px;
+    height: 240px;
+    animation: spin 2s linear infinite;
+    display:none;
+}
+
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+</style>
+<script>
+if (typeof XMLHttpRequest === "undefined") {
+  XMLHttpRequest = function () {
+    try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); } catch (e) {}
+    try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); } catch (e) {}
+    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
+    throw new Error("This browser does not support XMLHttpRequest.");
+  };
+}
+
+function ge(a){
+  return document.getElementById(a);
+}
+function ce(a){
+  return document.createElement(a);
+}
+
+function sortByKey(array, key) {
+  return array.sort(function(a, b) {
+    var x = a[key]; var y = b[key];
+    return ((x < y) ? -1 : ((x > y) ? 1 : 0));
+  });
+}
+
+
+var QueuedRequester = function () {
+  this.queue = [];
+  this.running = false;
+  this.xmlhttp = null;
+}
+QueuedRequester.prototype = {
+  _request: function(req){
+    this.running = true;
+    if(!req instanceof Object) return;
+    var that = this;
+    
+    function ajaxCb(x,d){ return function(){
+      if (x.readyState == 4){
+        ge("loader").style.display = "none";
+        d.callback(x.status, x.responseText);
+        if(that.queue.length === 0) that.running = false;
+        if(that.running) that._request(that.queue.shift());
+      }
+    }}
+    
+    ge("loader").style.display = "block";
+    
+    var p = "";
+    if(req.params instanceof FormData){
+      p = req.params;
+    } else if(req.params instanceof Object){
+      for (var key in req.params) {
+        if(p === "")
+          p += (req.method === "GET")?"?":"";
+        else
+          p += "&";
+        p += encodeURIComponent(key)+"="+encodeURIComponent(req.params[key]);
+      };
+    }
+    
+    this.xmlhttp = new XMLHttpRequest();
+    this.xmlhttp.onreadystatechange = ajaxCb(this.xmlhttp, req);
+    if(req.method === "GET"){
+      this.xmlhttp.open(req.method, req.url+p, true);
+      this.xmlhttp.send();
+    } else {
+      this.xmlhttp.open(req.method, req.url, true);
+      if(p instanceof String)
+        this.xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+      this.xmlhttp.send(p);
+    }
+  },
+  stop: function(){
+    if(this.running) this.running = false;
+    if(this.xmlhttp && this.xmlhttp.readyState < 4){
+      this.xmlhttp.abort();
+    }
+  },
+  add: function(method, url, params, callback){
+    this.queue.push({url:url,method:method,params:params,callback:callback});
+    if(!this.running){
+      this._request(this.queue.shift());
+    }
+  }
+}
+
+var requests = new QueuedRequester();
+
+function createFileUploader(element, tree, editor){
+  var xmlHttp;
+  
+  var refresh = ce("button");
+  refresh.innerHTML = 'Refresh List';
+  ge(element).appendChild(refresh);
+
+  var input = ce("input");
+  input.type = "file";
+  input.multiple = false;
+  input.name = "data";
+  input.id="upload-select";
+  ge(element).appendChild(input);
+  
+  var path = ce("input");
+  path.id = "upload-path";
+  path.type = "text";
+  path.name = "path";
+  path.defaultValue = "/";
+  ge(element).appendChild(path);
+  
+  var button = ce("button");
+  button.innerHTML = 'Upload';
+  ge(element).appendChild(button);
+  
+  var mkfile = ce("button");
+  mkfile.innerHTML = 'Create';
+  ge(element).appendChild(mkfile);
+
+  var filename     = ce("input");
+  filename.id      = "editor-filename";
+  filename.type    = "text";
+  filename.disabled= true;
+  filename.size    = 20;
+  ge(element).appendChild(filename);
+
+  var savefile = ce("button");
+  savefile.innerHTML = ' Save ' ;
+  ge(element).appendChild(savefile);
+
+  function httpPostProcessRequest(status, responseText){
+    if(status != 200)
+      alert("ERROR["+status+"]: "+responseText);
+    else
+      tree.refreshPath(path.value);
+  }
+  function createPath(p){
+    var formData = new FormData();
+    formData.append("path", p);
+    requests.add("PUT", "/edit", formData, httpPostProcessRequest);
+  }
+  
+  mkfile.onclick = function(e){
+    createPath(path.value);
+    editor.loadUrl(path.value);
+    path.value="/";
+  };
+
+  savefile.onclick = function(e){
+    editor.execCommand('saveCommand');
+  };
+  
+  refresh.onclick = function(e){
+    tree.refreshPath(path.value);
+  };
+  
+  button.onclick = function(e){
+    if(input.files.length === 0){
+      return;
+    }
+    var formData = new FormData();
+    formData.append("data", input.files[0], path.value);
+    requests.add("POST", "/edit", formData, httpPostProcessRequest);
+    var uploadPath= ge("upload-path");
+    uploadPath.value="/";
+    var uploadSelect= ge("upload-select");
+    uploadSelect.value="";
+  };
+  input.onchange = function(e){
+    if(input.files.length === 0) return;
+    var filename = input.files[0].name;
+    var ext = /(?:\.([^.]+))?$/.exec(filename)[1];
+    var name = /(.*)\.[^.]+$/.exec(filename)[1];
+    if(typeof name !== undefined){
+      filename = name;
+    }
+    path.value = "/"+filename+"."+ext;
+  };
+}
+
+function createTree(element, editor){
+  var preview = ge("preview");
+  var treeRoot = ce("div");
+  treeRoot.className = "tvu";
+  ge(element).appendChild(treeRoot);
+
+  function loadDownload(path){
+    ge('download-frame').src = "/edit?download="+path;
+  }
+
+  function loadPreview(path){
+    var edfname = ge("editor-filename");
+    edfname.value=path;
+    ge("editor").style.display = "none";
+    preview.style.display = "block";
+    preview.innerHTML = '<img src="/edit?edit='+path+'&_cb='+Date.now()+'" style="max-width:100%; max-height:100%; margin:auto; display:block;" />';
+  }
+
+  function fillFileMenu(el, path){
+    var list = ce("ul");
+    el.appendChild(list);
+    var action = ce("li");
+    list.appendChild(action);
+    if(isImageFile(path)){
+      action.innerHTML = "<span>Preview</span>";
+      action.onclick = function(e){
+        loadPreview(path);
+        if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
+      };
+    } else if(isTextFile(path)){
+      action.innerHTML = "<span>Edit</span>";
+      action.onclick = function(e){
+        editor.loadUrl(path);
+        if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
+      };
+    }
+    var download = ce("li");
+    list.appendChild(download);
+    download.innerHTML = "<span>Download</span>";
+    download.onclick = function(e){
+      loadDownload(path);
+      if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
+    };
+    var delFile = ce("li");
+    list.appendChild(delFile);
+    delFile.innerHTML = "<span>Delete</span>";
+    delFile.onclick = function(e){
+      httpDelete(path);
+      if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
+    };
+  }
+
+  function showContextMenu(event, path, isfile){
+    var divContext = ce("div");
+    var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
+    var scrollLeft = document.body.scrollLeft ? document.body.scrollLeft : document.documentElement.scrollLeft;
+    var left = event.clientX + scrollLeft;
+    var top = event.clientY + scrollTop;
+    divContext.className = 'cm';
+    divContext.style.display = 'block';
+    divContext.style.left = left + 'px';
+    divContext.style.top = top + 'px';
+    fillFileMenu(divContext, path);
+    document.body.appendChild(divContext);
+    var width = divContext.offsetWidth;
+    var height = divContext.offsetHeight;
+    divContext.onmouseout = function(e){
+      if(e.clientX < left || e.clientX > (left + width) || e.clientY < top || e.clientY > (top + height)){
+        if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(divContext);
+      }
+    };
+  }
+
+  function createTreeLeaf(path, name, size){
+    var leaf = ce("li");
+    leaf.id = name;
+    var label = ce("span");
+    label.innerHTML = name;
+    leaf.appendChild(label);
+    leaf.onclick = function(e){
+      if(isTextFile(leaf.id.toLowerCase())){
+        editor.loadUrl(leaf.id);
+      } else if(isImageFile(leaf.id.toLowerCase())){
+        loadPreview(leaf.id);
+      }
+    };
+    leaf.oncontextmenu = function(e){
+      e.preventDefault();
+      e.stopPropagation();
+      showContextMenu(e, leaf.id, true);
+    };
+    return leaf;
+  }
+
+  function addList(parent, path, items){
+    sortByKey(items, 'name');
+    var list = ce("ul");
+    parent.appendChild(list);
+    var ll = items.length;
+    for(var i = 0; i < ll; i++){
+      if(items[i].type === "file")
+        list.appendChild(createTreeLeaf(path, items[i].name, items[i].size));
+    }
+
+  }
+
+  function isTextFile(path){
+    var ext = /(?:\.([^.]+))?$/.exec(path)[1];
+    if(typeof ext !== undefined){
+      switch(ext){
+        case "txt":
+        case "htm":
+        case "html":
+        case "js":
+        case "css":
+        case "xml":
+        case "json":
+        case "conf":
+        case "ini":
+        case "h":
+        case "c":
+        case "cpp":
+        case "php":
+        case "hex":
+        case "ino":
+        case "pde":
+        return true;
+      }
+    }
+    return false;
+  }
+
+  function isImageFile(path){
+    var ext = /(?:\.([^.]+))?$/.exec(path)[1];
+    if(typeof ext !== undefined){
+      switch(ext){
+        case "png":
+        case "jpg":
+        case "gif":
+        case "bmp":
+        return true;
+      }
+    }
+    return false;
+  }
+
+  this.refreshPath = function(path){
+    treeRoot.removeChild(treeRoot.childNodes[0]);
+    httpGet(treeRoot, "/");
+  };
+
+  function delCb(path){
+    return function(status, responseText){
+      if(status != 200){
+        alert("ERROR["+status+"]: "+responseText);
+      } else {
+        treeRoot.removeChild(treeRoot.childNodes[0]);
+        httpGet(treeRoot, "/");
+      }
+    }
+  }
+
+  function httpDelete(filename){
+    var formData = new FormData();
+    formData.append("path", filename);
+    requests.add("DELETE", "/edit", formData, delCb(filename));
+  }
+
+  function getCb(parent, path){
+    return function(status, responseText){
+      if(status == 200)
+        addList(parent, path, JSON.parse(responseText));
+    }
+  }
+
+  function httpGet(parent, path){
+    requests.add("GET", "/edit", { list: path }, getCb(parent, path));
+  }
+
+  httpGet(treeRoot, "/");
+  return this;
+}
+
+function createEditor(element, file, lang, theme, type){
+  function getLangFromFilename(filename){
+    var lang = "plain";
+    var ext = /(?:\.([^.]+))?$/.exec(filename)[1];
+    if(typeof ext !== undefined){
+      switch(ext){
+        case "txt": lang = "plain"; break;
+        case "hex": lang = "plain"; break;
+        case "conf": lang = "plain"; break;
+        case "htm": lang = "html"; break;
+        case "js": lang = "javascript"; break;
+        case "h": lang = "c_cpp"; break;
+        case "c": lang = "c_cpp"; break;
+        case "cpp": lang = "c_cpp"; break;
+        case "css":
+        case "scss":
+        case "php":
+        case "html":
+        case "json":
+        case "xml":
+        case "ini":  lang = ext;
+      }
+    }
+    return lang;
+  }
+
+  if(typeof file === "undefined") file = "/index.html";
+
+  if(typeof lang === "undefined"){
+    lang = getLangFromFilename(file);
+  }
+
+  if(typeof theme === "undefined") theme = "textmate";
+
+  if(typeof type === "undefined"){
+    type = "text/"+lang;
+    if(lang === "c_cpp") type = "text/plain";
+  }
+
+  var editor = ace.edit(element);
+  function httpPostProcessRequest(status, responseText){
+    if(status != 200) alert("ERROR["+status+"]: "+responseText);
+  }
+  function httpPost(filename, data, type){
+    var formData = new FormData();
+    formData.append("data", new Blob([data], { type: type }), filename);
+    requests.add("POST", "/edit", formData, httpPostProcessRequest);
+  }
+  function httpGetProcessRequest(status, responseText){
+      ge("preview").style.display = "none";
+      ge("editor").style.display = "block";
+      if(status == 200)
+        editor.setValue(responseText);
+      else
+        editor.setValue("");
+      editor.clearSelection();
+  }
+  function httpGet(theUrl){
+      requests.add("GET", "/edit", { edit: theUrl }, httpGetProcessRequest);
+  }
+
+  if(lang !== "plain") editor.getSession().setMode("ace/mode/"+lang);
+  editor.setTheme("ace/theme/"+theme);
+  editor.$blockScrolling = Infinity;
+  editor.getSession().setUseSoftTabs(true);
+  editor.getSession().setTabSize(2);
+  editor.setHighlightActiveLine(true);
+  editor.setShowPrintMargin(false);
+  editor.commands.addCommand({
+      name: 'saveCommand',
+      bindKey: {win: 'Ctrl-S',  mac: 'Command-S'},
+      exec: function(editor) {
+        httpPost(file, editor.getValue()+"", type);
+      },
+      readOnly: false
+  });
+  editor.commands.addCommand({
+      name: 'undoCommand',
+      bindKey: {win: 'Ctrl-Z',  mac: 'Command-Z'},
+      exec: function(editor) {
+        editor.getSession().getUndoManager().undo(false);
+      },
+      readOnly: false
+  });
+  editor.commands.addCommand({
+      name: 'redoCommand',
+      bindKey: {win: 'Ctrl-Shift-Z',  mac: 'Command-Shift-Z'},
+      exec: function(editor) {
+        editor.getSession().getUndoManager().redo(false);
+      },
+      readOnly: false
+  });
+  editor.loadUrl = function(filename){
+    var edfname = ge("editor-filename");
+    edfname.value=filename;
+    file = filename;
+    lang = getLangFromFilename(file);
+    type = "text/"+lang;
+    if(lang !== "plain") editor.getSession().setMode("ace/mode/"+lang);
+    httpGet(file);
+  };
+  return editor;
+}
+function onBodyLoad(){
+  var vars = {};
+  var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) { vars[key] = value; });
+  var editor = createEditor("editor", vars.file, vars.lang, vars.theme);
+  var tree = createTree("tree", editor);
+  createFileUploader("uploader", tree, editor);
+  if(typeof vars.file === "undefined") vars.file = "/index.htm";
+  editor.loadUrl(vars.file);
+};
+</script>
+<script id='ace' src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ace.js" type="text/javascript" charset="utf-8"></script>
+<script>
+  if  (typeof ace.edit == "undefined") {
+    var script = document.createElement('script');
+    script.src = "/ace.js";
+    script.async = false;
+    document.head.appendChild(script);
+  }
+</script>
+</head>
+<body onload="onBodyLoad();">
+  <div id="loader" class="loader"></div>
+  <div id="uploader"></div>
+  <div id="tree"></div>
+  <div id="editor"></div>
+  <div id="preview" style="display:none;"></div>
+  <iframe id=download-frame style='display:none;'></iframe>
+</body>
+</html>

yoRadio/src/async-mqtt-client/AsyncMqttClient.cpp

@@ -0,0 +1,755 @@
+#include "AsyncMqttClient.hpp"
+
+AsyncMqttClient::AsyncMqttClient()
+: _client()
+, _head(nullptr)
+, _tail(nullptr)
+, _sent(0)
+, _state(DISCONNECTED)
+, _disconnectReason(AsyncMqttClientDisconnectReason::TCP_DISCONNECTED)
+, _lastClientActivity(0)
+, _lastServerActivity(0)
+, _lastPingRequestTime(0)
+, _generatedClientId{0}
+, _ip()
+, _host(nullptr)
+, _useIp(false)
+#if ASYNC_TCP_SSL_ENABLED
+, _secure(false)
+#endif
+, _port(0)
+, _keepAlive(15)
+, _cleanSession(true)
+, _clientId(nullptr)
+, _username(nullptr)
+, _password(nullptr)
+, _willTopic(nullptr)
+, _willPayload(nullptr)
+, _willPayloadLength(0)
+, _willQos(0)
+, _willRetain(false)
+#if ASYNC_TCP_SSL_ENABLED
+, _secureServerFingerprints()
+#endif
+, _onConnectUserCallbacks()
+, _onDisconnectUserCallbacks()
+, _onSubscribeUserCallbacks()
+, _onUnsubscribeUserCallbacks()
+, _onMessageUserCallbacks()
+, _onPublishUserCallbacks()
+, _parsingInformation { .bufferState = AsyncMqttClientInternals::BufferState::NONE, .maxTopicLength = 128, .topicBuffer = NULL, .packetType = 0, .packetFlags = 0, .remainingLength = 0 }
+, _currentParsedPacket(nullptr)
+, _remainingLengthBufferPosition(0)
+, _remainingLengthBuffer{0}
+, _pendingPubRels() {
+  _client.onConnect([](void* obj, AsyncClient* c) { (static_cast<AsyncMqttClient*>(obj))->_onConnect(); }, this);
+  _client.onDisconnect([](void* obj, AsyncClient* c) { (static_cast<AsyncMqttClient*>(obj))->_onDisconnect(); }, this);
+  // _client.onError([](void* obj, AsyncClient* c, int8_t error) { (static_cast<AsyncMqttClient*>(obj))->_onError(error); }, this);
+  // _client.onTimeout([](void* obj, AsyncClient* c, uint32_t time) { (static_cast<AsyncMqttClient*>(obj))->_onTimeout(); }, this);
+  _client.onAck([](void* obj, AsyncClient* c, size_t len, uint32_t time) { (static_cast<AsyncMqttClient*>(obj))->_onAck(len); }, this);
+  _client.onData([](void* obj, AsyncClient* c, void* data, size_t len) { (static_cast<AsyncMqttClient*>(obj))->_onData(static_cast<char*>(data), len); }, this);
+  _client.onPoll([](void* obj, AsyncClient* c) { (static_cast<AsyncMqttClient*>(obj))->_onPoll(); }, this);
+  _client.setNoDelay(true);  // send small packets immediately (PINGREQ/DISCONN are only 2 bytes)
+#ifdef ESP32
+  sprintf(_generatedClientId, "esp32-%06llx", ESP.getEfuseMac());
+  _xSemaphore = xSemaphoreCreateMutex();
+#elif defined(ESP8266)
+  sprintf(_generatedClientId, "esp8266-%06x", ESP.getChipId());
+#endif
+  _clientId = _generatedClientId;
+
+  setMaxTopicLength(128);
+}
+
+AsyncMqttClient::~AsyncMqttClient() {
+  delete _currentParsedPacket;
+  delete[] _parsingInformation.topicBuffer;
+  _clear();
+  _pendingPubRels.clear();
+  _pendingPubRels.shrink_to_fit();
+  _clearQueue(false);  // _clear() doesn't clear session data
+#ifdef ESP32
+  vSemaphoreDelete(_xSemaphore);
+#endif
+}
+
+AsyncMqttClient& AsyncMqttClient::setKeepAlive(uint16_t keepAlive) {
+  _keepAlive = keepAlive;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setClientId(const char* clientId) {
+  _clientId = clientId;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setCleanSession(bool cleanSession) {
+  _cleanSession = cleanSession;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setMaxTopicLength(uint16_t maxTopicLength) {
+  _parsingInformation.maxTopicLength = maxTopicLength;
+  delete[] _parsingInformation.topicBuffer;
+  _parsingInformation.topicBuffer = new char[maxTopicLength + 1];
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setCredentials(const char* username, const char* password) {
+  _username = username;
+  _password = password;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setWill(const char* topic, uint8_t qos, bool retain, const char* payload, size_t length) {
+  _willTopic = topic;
+  _willQos = qos;
+  _willRetain = retain;
+  _willPayload = payload;
+  _willPayloadLength = length;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setServer(IPAddress ip, uint16_t port) {
+  _useIp = true;
+  _ip = ip;
+  _port = port;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::setServer(const char* host, uint16_t port) {
+  _useIp = false;
+  _host = host;
+  _port = port;
+  return *this;
+}
+
+#if ASYNC_TCP_SSL_ENABLED
+AsyncMqttClient& AsyncMqttClient::setSecure(bool secure) {
+  _secure = secure;
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::addServerFingerprint(const uint8_t* fingerprint) {
+  std::array<uint8_t, SHA1_SIZE> newFingerprint;
+  memcpy(newFingerprint.data(), fingerprint, SHA1_SIZE);
+  _secureServerFingerprints.push_back(newFingerprint);
+  return *this;
+}
+#endif
+
+AsyncMqttClient& AsyncMqttClient::onConnect(AsyncMqttClientInternals::OnConnectUserCallback callback) {
+  _onConnectUserCallbacks.push_back(callback);
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::onDisconnect(AsyncMqttClientInternals::OnDisconnectUserCallback callback) {
+  _onDisconnectUserCallbacks.push_back(callback);
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::onSubscribe(AsyncMqttClientInternals::OnSubscribeUserCallback callback) {
+  _onSubscribeUserCallbacks.push_back(callback);
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::onUnsubscribe(AsyncMqttClientInternals::OnUnsubscribeUserCallback callback) {
+  _onUnsubscribeUserCallbacks.push_back(callback);
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::onMessage(AsyncMqttClientInternals::OnMessageUserCallback callback) {
+  _onMessageUserCallbacks.push_back(callback);
+  return *this;
+}
+
+AsyncMqttClient& AsyncMqttClient::onPublish(AsyncMqttClientInternals::OnPublishUserCallback callback) {
+  _onPublishUserCallbacks.push_back(callback);
+  return *this;
+}
+
+void AsyncMqttClient::_freeCurrentParsedPacket() {
+  delete _currentParsedPacket;
+  _currentParsedPacket = nullptr;
+}
+
+void AsyncMqttClient::_clear() {
+  _lastPingRequestTime = 0;
+  _freeCurrentParsedPacket();
+  _clearQueue(true);  // keep session data for now
+
+  _parsingInformation.bufferState = AsyncMqttClientInternals::BufferState::NONE;
+
+  _client.setRxTimeout(0);
+}
+
+/* TCP */
+void AsyncMqttClient::_onConnect() {
+  log_i("TCP conn, MQTT CONNECT");
+#if ASYNC_TCP_SSL_ENABLED
+  if (_secure && _secureServerFingerprints.size() > 0) {
+    SSL* clientSsl = _client.getSSL();
+
+    bool sslFoundFingerprint = false;
+    for (std::array<uint8_t, SHA1_SIZE> fingerprint : _secureServerFingerprints) {
+      if (ssl_match_fingerprint(clientSsl, fingerprint.data()) == SSL_OK) {
+        sslFoundFingerprint = true;
+        break;
+      }
+    }
+
+    if (!sslFoundFingerprint) {
+      _disconnectReason = AsyncMqttClientDisconnectReason::TLS_BAD_FINGERPRINT;
+      _client.close(true);
+      return;
+    }
+  }
+#endif
+  AsyncMqttClientInternals::OutPacket* msg =
+  new AsyncMqttClientInternals::ConnectOutPacket(_cleanSession,
+                                                 _username,
+                                                 _password,
+                                                 _willTopic,
+                                                 _willRetain,
+                                                 _willQos,
+                                                 _willPayload,
+                                                 _willPayloadLength,
+                                                 _keepAlive,
+                                                 _clientId);
+  _addFront(msg);
+  _handleQueue();
+}
+
+void AsyncMqttClient::_onDisconnect() {
+  log_i("TCP disconn");
+  _state = DISCONNECTED;
+
+  _clear();
+
+  for (auto callback : _onDisconnectUserCallbacks) callback(_disconnectReason);
+}
+
+/*
+void AsyncMqttClient::_onError(int8_t error) {
+  (void)error;
+  // _onDisconnect called anyway
+}
+
+void AsyncMqttClient::_onTimeout() {
+  // disconnection will be handled by ping/pong management
+}
+*/
+
+void AsyncMqttClient::_onAck(size_t len) {
+  log_i("ack %u", len);
+  _handleQueue();
+}
+
+void AsyncMqttClient::_onData(char* data, size_t len) {
+  log_i("data rcv (%u)", len);
+  size_t currentBytePosition = 0;
+  char currentByte;
+  _lastServerActivity = millis();
+  do {
+    switch (_parsingInformation.bufferState) {
+      case AsyncMqttClientInternals::BufferState::NONE:
+        currentByte = data[currentBytePosition++];
+        _parsingInformation.packetType = currentByte >> 4;
+        _parsingInformation.packetFlags = (currentByte << 4) >> 4;
+        _parsingInformation.bufferState = AsyncMqttClientInternals::BufferState::REMAINING_LENGTH;
+        switch (_parsingInformation.packetType) {
+          case AsyncMqttClientInternals::PacketType.CONNACK:
+            log_i("rcv CONNACK");
+            _currentParsedPacket = new AsyncMqttClientInternals::ConnAckPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onConnAck, this, std::placeholders::_1, std::placeholders::_2));
+            _client.setRxTimeout(0);
+            break;
+          case AsyncMqttClientInternals::PacketType.PINGRESP:
+            log_i("rcv PINGRESP");
+            _currentParsedPacket = new AsyncMqttClientInternals::PingRespPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onPingResp, this));
+            break;
+          case AsyncMqttClientInternals::PacketType.SUBACK:
+            log_i("rcv SUBACK");
+            _currentParsedPacket = new AsyncMqttClientInternals::SubAckPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onSubAck, this, std::placeholders::_1, std::placeholders::_2));
+            break;
+          case AsyncMqttClientInternals::PacketType.UNSUBACK:
+            log_i("rcv UNSUBACK");
+            _currentParsedPacket = new AsyncMqttClientInternals::UnsubAckPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onUnsubAck, this, std::placeholders::_1));
+            break;
+          case AsyncMqttClientInternals::PacketType.PUBLISH:
+            log_i("rcv PUBLISH");
+            _currentParsedPacket = new AsyncMqttClientInternals::PublishPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onMessage, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5, std::placeholders::_6, std::placeholders::_7, std::placeholders::_8, std::placeholders::_9), std::bind(&AsyncMqttClient::_onPublish, this, std::placeholders::_1, std::placeholders::_2));
+            break;
+          case AsyncMqttClientInternals::PacketType.PUBREL:
+            log_i("rcv PUBREL");
+            _currentParsedPacket = new AsyncMqttClientInternals::PubRelPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onPubRel, this, std::placeholders::_1));
+            break;
+          case AsyncMqttClientInternals::PacketType.PUBACK:
+            log_i("rcv PUBACK");
+            _currentParsedPacket = new AsyncMqttClientInternals::PubAckPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onPubAck, this, std::placeholders::_1));
+            break;
+          case AsyncMqttClientInternals::PacketType.PUBREC:
+            log_i("rcv PUBREC");
+            _currentParsedPacket = new AsyncMqttClientInternals::PubRecPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onPubRec, this, std::placeholders::_1));
+            break;
+          case AsyncMqttClientInternals::PacketType.PUBCOMP:
+            log_i("rcv PUBCOMP");
+            _currentParsedPacket = new AsyncMqttClientInternals::PubCompPacket(&_parsingInformation, std::bind(&AsyncMqttClient::_onPubComp, this, std::placeholders::_1));
+            break;
+          default:
+            log_i("rcv PROTOCOL VIOLATION");
+            disconnect(true);
+            break;
+        }
+        break;
+      case AsyncMqttClientInternals::BufferState::REMAINING_LENGTH:
+        currentByte = data[currentBytePosition++];
+        _remainingLengthBuffer[_remainingLengthBufferPosition++] = currentByte;
+        if (currentByte >> 7 == 0) {
+          _parsingInformation.remainingLength = AsyncMqttClientInternals::Helpers::decodeRemainingLength(_remainingLengthBuffer);
+          _remainingLengthBufferPosition = 0;
+          if (_parsingInformation.remainingLength > 0) {
+            _parsingInformation.bufferState = AsyncMqttClientInternals::BufferState::VARIABLE_HEADER;
+          } else {
+            // PINGRESP is a special case where it has no variable header, so the packet ends right here
+            _parsingInformation.bufferState = AsyncMqttClientInternals::BufferState::NONE;
+            _onPingResp();
+          }
+        }
+        break;
+      case AsyncMqttClientInternals::BufferState::VARIABLE_HEADER:
+        _currentParsedPacket->parseVariableHeader(data, len, &currentBytePosition);
+        break;
+      case AsyncMqttClientInternals::BufferState::PAYLOAD:
+        _currentParsedPacket->parsePayload(data, len, &currentBytePosition);
+        break;
+      default:
+        currentBytePosition = len;
+    }
+  } while (currentBytePosition != len);
+}
+
+void AsyncMqttClient::_onPoll() {
+  // if there is too much time the client has sent a ping request without a response, disconnect client to avoid half open connections
+  if (_lastPingRequestTime != 0 && (millis() - _lastPingRequestTime) >= (_keepAlive * 1000 * 2)) {
+    log_w("PING t/o, disconnecting");
+    disconnect(true);
+    return;
+  }
+  // send ping to ensure the server will receive at least one message inside keepalive window
+  if (_state == CONNECTED && _lastPingRequestTime == 0 && (millis() - _lastClientActivity) >= (_keepAlive * 1000 * 0.7)) {
+    _sendPing();
+  // send ping to verify if the server is still there (ensure this is not a half connection)
+  } else if (_state == CONNECTED && _lastPingRequestTime == 0 && (millis() - _lastServerActivity) >= (_keepAlive * 1000 * 0.7)) {
+    _sendPing();
+  }
+  _handleQueue();
+}
+
+/* QUEUE */
+
+void AsyncMqttClient::_insert(AsyncMqttClientInternals::OutPacket* packet) {
+  // We only use this for QoS2 PUBREL so there must be a PUBLISH packet present.
+  // The queue therefore cannot be empty and _head points to this PUBLISH packet.
+  SEMAPHORE_TAKE();
+  log_i("new insert #%u", packet->packetType());
+  packet->next = _head->next;
+  _head->next = packet;
+  if (_head == _tail) {  // PUB packet is the only one in the queue
+    _tail = packet;
+  }
+  SEMAPHORE_GIVE();
+  _handleQueue();
+}
+
+void AsyncMqttClient::_addFront(AsyncMqttClientInternals::OutPacket* packet) {
+  // This is only used for the CONNECT packet, to be able to establish a connection
+  // before anything else. The queue can be empty or has packets from the continued session.
+  // In both cases, _head should always point to the CONNECT packet afterwards.
+  SEMAPHORE_TAKE();
+  log_i("new front #%u", packet->packetType());
+  if (_head == nullptr) {
+    _tail = packet;
+  } else {
+    packet->next = _head;
+  }
+  _head = packet;
+  SEMAPHORE_GIVE();
+  _handleQueue();
+}
+
+void AsyncMqttClient::_addBack(AsyncMqttClientInternals::OutPacket* packet) {
+  SEMAPHORE_TAKE();
+  log_i("new back #%u", packet->packetType());
+  if (!_tail) {
+    _head = packet;
+  } else {
+    _tail->next = packet;
+  }
+  _tail = packet;
+  _tail->next = nullptr;
+  SEMAPHORE_GIVE();
+  _handleQueue();
+}
+
+void AsyncMqttClient::_handleQueue() {
+  SEMAPHORE_TAKE();
+  // On ESP32, onDisconnect is called within the close()-call. So we need to make sure we don't lock
+  bool disconnect = false;
+
+  while (_head && _client.space() > 10) {  // safe but arbitrary value, send at least 10 bytes
+    // 1. try to send
+    if (_head->size() > _sent) {
+      // On SSL the TCP library returns the total amount of bytes, not just the unencrypted payload length.
+      // So we calculate the amount to be written ourselves.
+      size_t willSend = std::min(_head->size() - _sent, _client.space());
+      size_t realSent = _client.add(reinterpret_cast<const char*>(_head->data(_sent)), willSend, ASYNC_WRITE_FLAG_COPY);  // flag is set by LWIP anyway, added for clarity
+      _sent += willSend;
+      (void)realSent;
+      _client.send();
+      _lastClientActivity = millis();
+      _lastPingRequestTime = 0;
+      #if ASYNC_TCP_SSL_ENABLED
+      log_i("snd #%u: (tls: %u) %u/%u", _head->packetType(), realSent, _sent, _head->size());
+      #else
+      log_i("snd #%u: %u/%u", _head->packetType(), _sent, _head->size());
+      #endif
+      if (_head->packetType() == AsyncMqttClientInternals::PacketType.DISCONNECT) {
+        disconnect = true;
+      }
+    }
+
+    // 2. stop processing when we have to wait for an MQTT acknowledgment
+    if (_head->size() == _sent) {
+      if (_head->released()) {
+        log_i("p #%d rel", _head->packetType());
+        AsyncMqttClientInternals::OutPacket* tmp = _head;
+        _head = _head->next;
+        if (!_head) _tail = nullptr;
+        delete tmp;
+        _sent = 0;
+      } else {
+        break;  // sending is complete however send next only after mqtt confirmation
+      }
+    }
+  }
+
+  SEMAPHORE_GIVE();
+  if (disconnect) {
+    log_i("snd DISCONN, disconnecting");
+    _client.close();
+  }
+}
+
+void AsyncMqttClient::_clearQueue(bool keepSessionData) {
+  SEMAPHORE_TAKE();
+  AsyncMqttClientInternals::OutPacket* packet = _head;
+  _head = nullptr;
+  _tail = nullptr;
+
+  while (packet) {
+    /* MQTT spec 3.1.2.4 Clean Session:
+     *  - QoS 1 and QoS 2 messages which have been sent to the Server, but have not been completely acknowledged.
+     *  - QoS 2 messages which have been received from the Server, but have not been completely acknowledged.
+     * + (unsent PUB messages with QoS > 0)
+     * 
+     * To be kept:
+     * - possibly first message (sent to server but not acked)
+     * - PUBREC messages (QoS 2 PUB received but not acked)
+     * - PUBCOMP messages (QoS 2 PUBREL received but not acked)
+     */
+    if (keepSessionData) {
+      if (packet->qos() > 0 && packet->size() <= _sent) {  // check for qos includes check for PUB-packet type
+        reinterpret_cast<AsyncMqttClientInternals::PublishOutPacket*>(packet)->setDup();
+        AsyncMqttClientInternals::OutPacket* next = packet->next;
+        log_i("keep #%u", packet->packetType());
+        SEMAPHORE_GIVE();
+        _addBack(packet);
+        SEMAPHORE_TAKE();
+        packet = next;
+      } else if (packet->qos() > 0 ||
+                 packet->packetType() == AsyncMqttClientInternals::PacketType.PUBREC ||
+                 packet->packetType() == AsyncMqttClientInternals::PacketType.PUBCOMP) {
+        AsyncMqttClientInternals::OutPacket* next = packet->next;
+        log_i("keep #%u", packet->packetType());
+        SEMAPHORE_GIVE();
+        _addBack(packet);
+        SEMAPHORE_TAKE();
+        packet = next;
+      } else {
+        AsyncMqttClientInternals::OutPacket* next = packet->next;
+        delete packet;
+        packet = next;
+      }
+    /* Delete everything when not keeping session data
+     */
+    } else {
+      AsyncMqttClientInternals::OutPacket* next = packet->next;
+      delete packet;
+      packet = next;
+    }
+  }
+  _sent = 0;
+  SEMAPHORE_GIVE();
+}
+
+/* MQTT */
+void AsyncMqttClient::_onPingResp() {
+  log_i("PINGRESP");
+  _freeCurrentParsedPacket();
+  _lastPingRequestTime = 0;
+}
+
+void AsyncMqttClient::_onConnAck(bool sessionPresent, uint8_t connectReturnCode) {
+  log_i("CONNACK");
+  _freeCurrentParsedPacket();
+
+  if (!sessionPresent) {
+    _pendingPubRels.clear();
+    _pendingPubRels.shrink_to_fit();
+    _clearQueue(false);  // remove session data
+  }
+
+  if (connectReturnCode == 0) {
+    _state = CONNECTED;
+    for (auto callback : _onConnectUserCallbacks) callback(sessionPresent);
+  } else {
+    // Callbacks are handled by the onDisconnect function which is called from the AsyncTcp lib
+    _disconnectReason = static_cast<AsyncMqttClientDisconnectReason>(connectReturnCode);
+    return;
+  }
+  _handleQueue();  // send any remaining data from continued session
+}
+
+void AsyncMqttClient::_onSubAck(uint16_t packetId, char status) {
+  log_i("SUBACK");
+  _freeCurrentParsedPacket();
+  SEMAPHORE_TAKE();
+  if (_head && _head->packetId() == packetId) {
+    _head->release();
+    log_i("SUB released");
+  }
+  SEMAPHORE_GIVE();
+
+  for (auto callback : _onSubscribeUserCallbacks) callback(packetId, status);
+
+  _handleQueue();  // subscribe confirmed, ready to send next queued item
+}
+
+void AsyncMqttClient::_onUnsubAck(uint16_t packetId) {
+  log_i("UNSUBACK");
+  _freeCurrentParsedPacket();
+  SEMAPHORE_TAKE();
+  if (_head && _head->packetId() == packetId) {
+    _head->release();
+    log_i("UNSUB released");
+  }
+  SEMAPHORE_GIVE();
+
+  for (auto callback : _onUnsubscribeUserCallbacks) callback(packetId);
+
+  _handleQueue();  // unsubscribe confirmed, ready to send next queued item
+}
+
+void AsyncMqttClient::_onMessage(char* topic, char* payload, uint8_t qos, bool dup, bool retain, size_t len, size_t index, size_t total, uint16_t packetId) {
+  bool notifyPublish = true;
+
+  if (qos == 2) {
+    for (AsyncMqttClientInternals::PendingPubRel pendingPubRel : _pendingPubRels) {
+      if (pendingPubRel.packetId == packetId) {
+        notifyPublish = false;
+        break;
+      }
+    }
+  }
+
+  if (notifyPublish) {
+    AsyncMqttClientMessageProperties properties;
+    properties.qos = qos;
+    properties.dup = dup;
+    properties.retain = retain;
+
+    for (auto callback : _onMessageUserCallbacks) callback(topic, payload, properties, len, index, total);
+  }
+}
+
+void AsyncMqttClient::_onPublish(uint16_t packetId, uint8_t qos) {
+  AsyncMqttClientInternals::PendingAck pendingAck;
+
+  if (qos == 1) {
+    pendingAck.packetType = AsyncMqttClientInternals::PacketType.PUBACK;
+    pendingAck.headerFlag = AsyncMqttClientInternals::HeaderFlag.PUBACK_RESERVED;
+    pendingAck.packetId = packetId;
+    AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PubAckOutPacket(pendingAck);
+    _addBack(msg);
+  } else if (qos == 2) {
+    pendingAck.packetType = AsyncMqttClientInternals::PacketType.PUBREC;
+    pendingAck.headerFlag = AsyncMqttClientInternals::HeaderFlag.PUBREC_RESERVED;
+    pendingAck.packetId = packetId;
+    AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PubAckOutPacket(pendingAck);
+    _addBack(msg);
+
+    bool pubRelAwaiting = false;
+    for (AsyncMqttClientInternals::PendingPubRel pendingPubRel : _pendingPubRels) {
+      if (pendingPubRel.packetId == packetId) {
+        pubRelAwaiting = true;
+        break;
+      }
+    }
+
+    if (!pubRelAwaiting) {
+      AsyncMqttClientInternals::PendingPubRel pendingPubRel;
+      pendingPubRel.packetId = packetId;
+      _pendingPubRels.push_back(pendingPubRel);
+    }
+  }
+
+  _freeCurrentParsedPacket();
+}
+
+void AsyncMqttClient::_onPubRel(uint16_t packetId) {
+  _freeCurrentParsedPacket();
+
+  AsyncMqttClientInternals::PendingAck pendingAck;
+  pendingAck.packetType = AsyncMqttClientInternals::PacketType.PUBCOMP;
+  pendingAck.headerFlag = AsyncMqttClientInternals::HeaderFlag.PUBCOMP_RESERVED;
+  pendingAck.packetId = packetId;
+  if (_head && _head->packetId() == packetId) {
+    AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PubAckOutPacket(pendingAck);
+    _head->release();
+    _insert(msg);
+    log_i("PUBREC released");
+  }
+
+  for (size_t i = 0; i < _pendingPubRels.size(); i++) {
+    if (_pendingPubRels[i].packetId == packetId) {
+      _pendingPubRels.erase(_pendingPubRels.begin() + i);
+      _pendingPubRels.shrink_to_fit();
+    }
+  }
+}
+
+void AsyncMqttClient::_onPubAck(uint16_t packetId) {
+  _freeCurrentParsedPacket();
+  if (_head && _head->packetId() == packetId) {
+    _head->release();
+    log_i("PUB released");
+  }
+
+  for (auto callback : _onPublishUserCallbacks) callback(packetId);
+}
+
+void AsyncMqttClient::_onPubRec(uint16_t packetId) {
+  _freeCurrentParsedPacket();
+
+  // We will only be sending 1 QoS>0 PUB message at a time (to honor message
+  // ordering). So no need to store ACKS in a separate container as it will
+  // be stored in the outgoing queue until a PUBCOMP comes in.
+  AsyncMqttClientInternals::PendingAck pendingAck;
+  pendingAck.packetType = AsyncMqttClientInternals::PacketType.PUBREL;
+  pendingAck.headerFlag = AsyncMqttClientInternals::HeaderFlag.PUBREL_RESERVED;
+  pendingAck.packetId = packetId;
+  log_i("snd PUBREL");
+
+  AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PubAckOutPacket(pendingAck);
+  if (_head && _head->packetId() == packetId) {
+    _head->release();
+    log_i("PUB released");
+  }
+  _insert(msg);
+}
+
+void AsyncMqttClient::_onPubComp(uint16_t packetId) {
+  _freeCurrentParsedPacket();
+
+  // _head points to the PUBREL package
+  if (_head && _head->packetId() == packetId) {
+    _head->release();
+    log_i("PUBREL released");
+  }
+
+  for (auto callback : _onPublishUserCallbacks) callback(packetId);
+}
+
+void AsyncMqttClient::_sendPing() {
+  log_i("PING");
+  _lastPingRequestTime = millis();
+  AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PingReqOutPacket;
+  _addBack(msg);
+}
+
+bool AsyncMqttClient::connected() const {
+  return _state == CONNECTED;
+}
+
+void AsyncMqttClient::connect() {
+  if (_state != DISCONNECTED) return;
+  log_i("CONNECTING");
+  _state = CONNECTING;
+  _disconnectReason = AsyncMqttClientDisconnectReason::TCP_DISCONNECTED;  // reset any previous
+
+  _client.setRxTimeout(_keepAlive);
+
+#if ASYNC_TCP_SSL_ENABLED
+  if (_useIp) {
+    _client.connect(_ip, _port, _secure);
+  } else {
+    _client.connect(_host, _port, _secure);
+  }
+#else
+  if (_useIp) {
+    _client.connect(_ip, _port);
+  } else {
+    _client.connect(_host, _port);
+  }
+#endif
+}
+
+void AsyncMqttClient::disconnect(bool force) {
+  if (_state == DISCONNECTED) return;
+  log_i("DISCONNECT (f:%d)", force);
+  if (force) {
+    _state = DISCONNECTED;
+    _client.close(true);
+  } else if (_state != DISCONNECTING) {
+    _state = DISCONNECTING;
+    AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::DisconnOutPacket;
+    _addBack(msg);
+  }
+}
+
+uint16_t AsyncMqttClient::subscribe(const char* topic, uint8_t qos) {
+  if (_state != CONNECTED) return 0;
+  log_i("SUBSCRIBE");
+
+  AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::SubscribeOutPacket(topic, qos);
+  _addBack(msg);
+  return msg->packetId();
+}
+
+uint16_t AsyncMqttClient::unsubscribe(const char* topic) {
+  if (_state != CONNECTED) return 0;
+  log_i("UNSUBSCRIBE");
+
+  AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::UnsubscribeOutPacket(topic);
+  _addBack(msg);
+  return msg->packetId();
+}
+
+uint16_t AsyncMqttClient::publish(const char* topic, uint8_t qos, bool retain, const char* payload, size_t length, bool dup, uint16_t message_id) {
+  if (_state != CONNECTED || GET_FREE_MEMORY() < MQTT_MIN_FREE_MEMORY) return 0;
+  log_i("PUBLISH");
+
+  AsyncMqttClientInternals::OutPacket* msg = new AsyncMqttClientInternals::PublishOutPacket(topic, qos, retain, payload, length);
+  _addBack(msg);
+  return msg->packetId();
+}
+
+bool AsyncMqttClient::clearQueue() {
+  if (_state != DISCONNECTED) return false;
+  _clearQueue(false);
+  return true;
+}
+
+const char* AsyncMqttClient::getClientId() const {
+  return _clientId;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient.h

@@ -0,0 +1,6 @@
+#ifndef SRC_ASYNCMQTTCLIENT_H_
+#define SRC_ASYNCMQTTCLIENT_H_
+
+#include "AsyncMqttClient.hpp"
+
+#endif  // SRC_ASYNCMQTTCLIENT_H_

yoRadio/src/async-mqtt-client/AsyncMqttClient.hpp

@@ -0,0 +1,179 @@
+#pragma once
+
+#include <functional>
+#include <vector>
+
+#include "Arduino.h"
+
+#ifndef MQTT_MIN_FREE_MEMORY
+#define MQTT_MIN_FREE_MEMORY 4096
+#endif
+
+#ifdef ESP32
+#include "../AsyncWebServer/AsyncTCP.h"
+#include <freertos/semphr.h>
+#elif defined(ESP8266)
+#include <ESPAsyncTCP.h>
+#else
+#error Platform not supported
+#endif
+
+#if ASYNC_TCP_SSL_ENABLED
+#include <tcp_axtls.h>
+#define SHA1_SIZE 20
+#endif
+
+#include "AsyncMqttClient/Flags.hpp"
+#include "AsyncMqttClient/ParsingInformation.hpp"
+#include "AsyncMqttClient/MessageProperties.hpp"
+#include "AsyncMqttClient/Helpers.hpp"
+#include "AsyncMqttClient/Callbacks.hpp"
+#include "AsyncMqttClient/DisconnectReasons.hpp"
+#include "AsyncMqttClient/Storage.hpp"
+
+#include "AsyncMqttClient/Packets/Packet.hpp"
+#include "AsyncMqttClient/Packets/ConnAckPacket.hpp"
+#include "AsyncMqttClient/Packets/PingRespPacket.hpp"
+#include "AsyncMqttClient/Packets/SubAckPacket.hpp"
+#include "AsyncMqttClient/Packets/UnsubAckPacket.hpp"
+#include "AsyncMqttClient/Packets/PublishPacket.hpp"
+#include "AsyncMqttClient/Packets/PubRelPacket.hpp"
+#include "AsyncMqttClient/Packets/PubAckPacket.hpp"
+#include "AsyncMqttClient/Packets/PubRecPacket.hpp"
+#include "AsyncMqttClient/Packets/PubCompPacket.hpp"
+
+#include "AsyncMqttClient/Packets/Out/Connect.hpp"
+#include "AsyncMqttClient/Packets/Out/PingReq.hpp"
+#include "AsyncMqttClient/Packets/Out/PubAck.hpp"
+#include "AsyncMqttClient/Packets/Out/Disconn.hpp"
+#include "AsyncMqttClient/Packets/Out/Subscribe.hpp"
+#include "AsyncMqttClient/Packets/Out/Unsubscribe.hpp"
+#include "AsyncMqttClient/Packets/Out/Publish.hpp"
+
+class AsyncMqttClient {
+ public:
+  AsyncMqttClient();
+  ~AsyncMqttClient();
+
+  AsyncMqttClient& setKeepAlive(uint16_t keepAlive);
+  AsyncMqttClient& setClientId(const char* clientId);
+  AsyncMqttClient& setCleanSession(bool cleanSession);
+  AsyncMqttClient& setMaxTopicLength(uint16_t maxTopicLength);
+  AsyncMqttClient& setCredentials(const char* username, const char* password = nullptr);
+  AsyncMqttClient& setWill(const char* topic, uint8_t qos, bool retain, const char* payload = nullptr, size_t length = 0);
+  AsyncMqttClient& setServer(IPAddress ip, uint16_t port);
+  AsyncMqttClient& setServer(const char* host, uint16_t port);
+#if ASYNC_TCP_SSL_ENABLED
+  AsyncMqttClient& setSecure(bool secure);
+  AsyncMqttClient& addServerFingerprint(const uint8_t* fingerprint);
+#endif
+
+  AsyncMqttClient& onConnect(AsyncMqttClientInternals::OnConnectUserCallback callback);
+  AsyncMqttClient& onDisconnect(AsyncMqttClientInternals::OnDisconnectUserCallback callback);
+  AsyncMqttClient& onSubscribe(AsyncMqttClientInternals::OnSubscribeUserCallback callback);
+  AsyncMqttClient& onUnsubscribe(AsyncMqttClientInternals::OnUnsubscribeUserCallback callback);
+  AsyncMqttClient& onMessage(AsyncMqttClientInternals::OnMessageUserCallback callback);
+  AsyncMqttClient& onPublish(AsyncMqttClientInternals::OnPublishUserCallback callback);
+
+  bool connected() const;
+  void connect();
+  void disconnect(bool force = false);
+  uint16_t subscribe(const char* topic, uint8_t qos);
+  uint16_t unsubscribe(const char* topic);
+  uint16_t publish(const char* topic, uint8_t qos, bool retain, const char* payload = nullptr, size_t length = 0, bool dup = false, uint16_t message_id = 0);
+  bool clearQueue();  // Not MQTT compliant!
+
+  const char* getClientId() const;
+
+ private:
+  AsyncClient _client;
+  AsyncMqttClientInternals::OutPacket* _head;
+  AsyncMqttClientInternals::OutPacket* _tail;
+  size_t _sent;
+  enum {
+    CONNECTING,
+    CONNECTED,
+    DISCONNECTING,
+    DISCONNECTED
+  } _state;
+  AsyncMqttClientDisconnectReason _disconnectReason;
+  uint32_t _lastClientActivity;
+  uint32_t _lastServerActivity;
+  uint32_t _lastPingRequestTime;
+
+  char _generatedClientId[18 + 1];  // esp8266-abc123 and esp32-abcdef123456
+  IPAddress _ip;
+  const char* _host;
+  bool _useIp;
+#if ASYNC_TCP_SSL_ENABLED
+  bool _secure;
+#endif
+  uint16_t _port;
+  uint16_t _keepAlive;
+  bool _cleanSession;
+  const char* _clientId;
+  const char* _username;
+  const char* _password;
+  const char* _willTopic;
+  const char* _willPayload;
+  uint16_t _willPayloadLength;
+  uint8_t _willQos;
+  bool _willRetain;
+
+#if ASYNC_TCP_SSL_ENABLED
+  std::vector<std::array<uint8_t, SHA1_SIZE>> _secureServerFingerprints;
+#endif
+
+  std::vector<AsyncMqttClientInternals::OnConnectUserCallback> _onConnectUserCallbacks;
+  std::vector<AsyncMqttClientInternals::OnDisconnectUserCallback> _onDisconnectUserCallbacks;
+  std::vector<AsyncMqttClientInternals::OnSubscribeUserCallback> _onSubscribeUserCallbacks;
+  std::vector<AsyncMqttClientInternals::OnUnsubscribeUserCallback> _onUnsubscribeUserCallbacks;
+  std::vector<AsyncMqttClientInternals::OnMessageUserCallback> _onMessageUserCallbacks;
+  std::vector<AsyncMqttClientInternals::OnPublishUserCallback> _onPublishUserCallbacks;
+
+  AsyncMqttClientInternals::ParsingInformation _parsingInformation;
+  AsyncMqttClientInternals::Packet* _currentParsedPacket;
+  uint8_t _remainingLengthBufferPosition;
+  char _remainingLengthBuffer[4];
+
+  std::vector<AsyncMqttClientInternals::PendingPubRel> _pendingPubRels;
+
+#if defined(ESP32)
+  SemaphoreHandle_t _xSemaphore = nullptr;
+#elif defined(ESP8266)
+  bool _xSemaphore = false;
+#endif
+
+  void _clear();
+  void _freeCurrentParsedPacket();
+
+  // TCP
+  void _onConnect();
+  void _onDisconnect();
+  // void _onError(int8_t error);
+  // void _onTimeout();
+  void _onAck(size_t len);
+  void _onData(char* data, size_t len);
+  void _onPoll();
+
+  // QUEUE
+  void _insert(AsyncMqttClientInternals::OutPacket* packet);    // for PUBREL
+  void _addFront(AsyncMqttClientInternals::OutPacket* packet);  // for CONNECT
+  void _addBack(AsyncMqttClientInternals::OutPacket* packet);   // all the rest
+  void _handleQueue();
+  void _clearQueue(bool keepSessionData);
+
+  // MQTT
+  void _onPingResp();
+  void _onConnAck(bool sessionPresent, uint8_t connectReturnCode);
+  void _onSubAck(uint16_t packetId, char status);
+  void _onUnsubAck(uint16_t packetId);
+  void _onMessage(char* topic, char* payload, uint8_t qos, bool dup, bool retain, size_t len, size_t index, size_t total, uint16_t packetId);
+  void _onPublish(uint16_t packetId, uint8_t qos);
+  void _onPubRel(uint16_t packetId);
+  void _onPubAck(uint16_t packetId);
+  void _onPubRec(uint16_t packetId);
+  void _onPubComp(uint16_t packetId);
+
+  void _sendPing();
+};

yoRadio/src/async-mqtt-client/AsyncMqttClient/Callbacks.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <functional>
+
+#include "DisconnectReasons.hpp"
+#include "MessageProperties.hpp"
+#include "Errors.hpp"
+
+namespace AsyncMqttClientInternals {
+// user callbacks
+typedef std::function<void(bool sessionPresent)> OnConnectUserCallback;
+typedef std::function<void(AsyncMqttClientDisconnectReason reason)> OnDisconnectUserCallback;
+typedef std::function<void(uint16_t packetId, uint8_t qos)> OnSubscribeUserCallback;
+typedef std::function<void(uint16_t packetId)> OnUnsubscribeUserCallback;
+typedef std::function<void(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total)> OnMessageUserCallback;
+typedef std::function<void(uint16_t packetId)> OnPublishUserCallback;
+typedef std::function<void(uint16_t packetId, AsyncMqttClientError error)> OnErrorUserCallback;
+
+// internal callbacks
+typedef std::function<void(bool sessionPresent, uint8_t connectReturnCode)> OnConnAckInternalCallback;
+typedef std::function<void()> OnPingRespInternalCallback;
+typedef std::function<void(uint16_t packetId, char status)> OnSubAckInternalCallback;
+typedef std::function<void(uint16_t packetId)> OnUnsubAckInternalCallback;
+typedef std::function<void(char* topic, char* payload, uint8_t qos, bool dup, bool retain, size_t len, size_t index, size_t total, uint16_t packetId)> OnMessageInternalCallback;
+typedef std::function<void(uint16_t packetId, uint8_t qos)> OnPublishInternalCallback;
+typedef std::function<void(uint16_t packetId)> OnPubRelInternalCallback;
+typedef std::function<void(uint16_t packetId)> OnPubAckInternalCallback;
+typedef std::function<void(uint16_t packetId)> OnPubRecInternalCallback;
+typedef std::function<void(uint16_t packetId)> OnPubCompInternalCallback;
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/DisconnectReasons.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+enum class AsyncMqttClientDisconnectReason : uint8_t {
+  TCP_DISCONNECTED = 0,
+
+  MQTT_UNACCEPTABLE_PROTOCOL_VERSION = 1,
+  MQTT_IDENTIFIER_REJECTED = 2,
+  MQTT_SERVER_UNAVAILABLE = 3,
+  MQTT_MALFORMED_CREDENTIALS = 4,
+  MQTT_NOT_AUTHORIZED = 5,
+
+  ESP8266_NOT_ENOUGH_SPACE = 6,
+
+  TLS_BAD_FINGERPRINT = 7
+};

yoRadio/src/async-mqtt-client/AsyncMqttClient/Errors.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+enum class AsyncMqttClientError : uint8_t {
+  MAX_RETRIES = 0,
+  OUT_OF_MEMORY = 1
+};

yoRadio/src/async-mqtt-client/AsyncMqttClient/Flags.hpp

@@ -0,0 +1,57 @@
+#pragma once
+
+namespace AsyncMqttClientInternals {
+constexpr struct {
+  const uint8_t RESERVED    = 0;
+  const uint8_t CONNECT     = 1;
+  const uint8_t CONNACK     = 2;
+  const uint8_t PUBLISH     = 3;
+  const uint8_t PUBACK      = 4;
+  const uint8_t PUBREC      = 5;
+  const uint8_t PUBREL      = 6;
+  const uint8_t PUBCOMP     = 7;
+  const uint8_t SUBSCRIBE   = 8;
+  const uint8_t SUBACK      = 9;
+  const uint8_t UNSUBSCRIBE = 10;
+  const uint8_t UNSUBACK    = 11;
+  const uint8_t PINGREQ     = 12;
+  const uint8_t PINGRESP    = 13;
+  const uint8_t DISCONNECT  = 14;
+  const uint8_t RESERVED2   = 1;
+} PacketType;
+
+constexpr struct {
+  const uint8_t CONNECT_RESERVED     = 0x00;
+  const uint8_t CONNACK_RESERVED     = 0x00;
+  const uint8_t PUBLISH_DUP          = 0x08;
+  const uint8_t PUBLISH_QOS0         = 0x00;
+  const uint8_t PUBLISH_QOS1         = 0x02;
+  const uint8_t PUBLISH_QOS2         = 0x04;
+  const uint8_t PUBLISH_QOSRESERVED  = 0x06;
+  const uint8_t PUBLISH_RETAIN       = 0x01;
+  const uint8_t PUBACK_RESERVED      = 0x00;
+  const uint8_t PUBREC_RESERVED      = 0x00;
+  const uint8_t PUBREL_RESERVED      = 0x02;
+  const uint8_t PUBCOMP_RESERVED     = 0x00;
+  const uint8_t SUBSCRIBE_RESERVED   = 0x02;
+  const uint8_t SUBACK_RESERVED      = 0x00;
+  const uint8_t UNSUBSCRIBE_RESERVED = 0x02;
+  const uint8_t UNSUBACK_RESERVED    = 0x00;
+  const uint8_t PINGREQ_RESERVED     = 0x00;
+  const uint8_t PINGRESP_RESERVED    = 0x00;
+  const uint8_t DISCONNECT_RESERVED  = 0x00;
+  const uint8_t RESERVED2_RESERVED   = 0x00;
+} HeaderFlag;
+
+constexpr struct {
+  const uint8_t USERNAME      = 0x80;
+  const uint8_t PASSWORD      = 0x40;
+  const uint8_t WILL_RETAIN   = 0x20;
+  const uint8_t WILL_QOS0     = 0x00;
+  const uint8_t WILL_QOS1     = 0x08;
+  const uint8_t WILL_QOS2     = 0x10;
+  const uint8_t WILL          = 0x04;
+  const uint8_t CLEAN_SESSION = 0x02;
+  const uint8_t RESERVED      = 0x00;
+} ConnectFlag;
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Helpers.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+namespace AsyncMqttClientInternals {
+class Helpers {
+ public:
+  static uint32_t decodeRemainingLength(char* bytes) {
+    uint32_t multiplier = 1;
+    uint32_t value = 0;
+    uint8_t currentByte = 0;
+    uint8_t encodedByte;
+    do {
+      encodedByte = bytes[currentByte++];
+      value += (encodedByte & 127) * multiplier;
+      multiplier *= 128;
+    } while ((encodedByte & 128) != 0);
+
+    return value;
+  }
+
+  static uint8_t encodeRemainingLength(uint32_t remainingLength, char* destination) {
+    uint8_t currentByte = 0;
+    uint8_t bytesNeeded = 0;
+
+    do {
+      uint8_t encodedByte = remainingLength % 128;
+      remainingLength /= 128;
+      if (remainingLength > 0) {
+        encodedByte = encodedByte | 128;
+      }
+
+      destination[currentByte++] = encodedByte;
+      bytesNeeded++;
+    } while (remainingLength > 0);
+
+    return bytesNeeded;
+  }
+};
+
+#if defined(ARDUINO_ARCH_ESP32)
+  #define SEMAPHORE_TAKE() xSemaphoreTake(_xSemaphore, portMAX_DELAY)
+  #define SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
+  #define GET_FREE_MEMORY() ESP.getMaxAllocHeap()
+  #include <esp32-hal-log.h>
+#elif defined(ARDUINO_ARCH_ESP8266)
+  #define SEMAPHORE_TAKE(X) while (_xSemaphore) { /*ESP.wdtFeed();*/ } _xSemaphore = true
+  #define SEMAPHORE_GIVE() _xSemaphore = false
+  #define GET_FREE_MEMORY() ESP.getMaxFreeBlockSize()
+  #if defined(DEBUG_ESP_PORT) && defined(DEBUG_ASYNC_MQTT_CLIENT)
+    #define log_i(...) DEBUG_ESP_PORT.printf(__VA_ARGS__); DEBUG_ESP_PORT.print("\n")
+    #define log_e(...) DEBUG_ESP_PORT.printf(__VA_ARGS__); DEBUG_ESP_PORT.print("\n")
+    #define log_w(...) DEBUG_ESP_PORT.printf(__VA_ARGS__); DEBUG_ESP_PORT.print("\n")
+  #else
+    #define log_i(...)
+    #define log_e(...)
+    #define log_w(...)
+  #endif
+#else
+  #pragma error "No valid architecture"
+#endif
+
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/MessageProperties.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+struct AsyncMqttClientMessageProperties {
+  uint8_t qos;
+  bool dup;
+  bool retain;
+};

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/ConnAckPacket.cpp

@@ -0,0 +1,30 @@
+#include "ConnAckPacket.hpp"
+
+using AsyncMqttClientInternals::ConnAckPacket;
+
+ConnAckPacket::ConnAckPacket(ParsingInformation* parsingInformation, OnConnAckInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _sessionPresent(false)
+, _connectReturnCode(0) {
+}
+
+ConnAckPacket::~ConnAckPacket() {
+}
+
+void ConnAckPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _sessionPresent = (currentByte << 7) >> 7;
+  } else {
+    _connectReturnCode = currentByte;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_sessionPresent, _connectReturnCode);
+  }
+}
+
+void ConnAckPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/ConnAckPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class ConnAckPacket : public Packet {
+ public:
+  explicit ConnAckPacket(ParsingInformation* parsingInformation, OnConnAckInternalCallback callback);
+  ~ConnAckPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnConnAckInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  bool _sessionPresent;
+  uint8_t _connectReturnCode;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Connect.cpp

@@ -0,0 +1,162 @@
+#include "Connect.hpp"
+
+using AsyncMqttClientInternals::ConnectOutPacket;
+
+ConnectOutPacket::ConnectOutPacket(bool cleanSession,
+                                   const char* username,
+                                   const char* password,
+                                   const char* willTopic,
+                                   bool willRetain,
+                                   uint8_t willQos,
+                                   const char* willPayload,
+                                   uint16_t willPayloadLength,
+                                   uint16_t keepAlive,
+                                   const char* clientId) {
+  char fixedHeader[5];
+  fixedHeader[0] = AsyncMqttClientInternals::PacketType.CONNECT;
+  fixedHeader[0] = fixedHeader[0] << 4;
+  fixedHeader[0] = fixedHeader[0] | AsyncMqttClientInternals::HeaderFlag.CONNECT_RESERVED;
+
+  uint16_t protocolNameLength = 4;
+  char protocolNameLengthBytes[2];
+  protocolNameLengthBytes[0] = protocolNameLength >> 8;
+  protocolNameLengthBytes[1] = protocolNameLength & 0xFF;
+
+  char protocolLevel[1];
+  protocolLevel[0] = 0x04;
+
+  char connectFlags[1];
+  connectFlags[0] = 0;
+  if (cleanSession) connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.CLEAN_SESSION;
+  if (username != nullptr) connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.USERNAME;
+  if (password != nullptr) connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.PASSWORD;
+  if (willTopic != nullptr) {
+    connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.WILL;
+    if (willRetain) connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.WILL_RETAIN;
+    switch (willQos) {
+      case 0:
+        connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.WILL_QOS0;
+        break;
+      case 1:
+        connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.WILL_QOS1;
+        break;
+      case 2:
+        connectFlags[0] |= AsyncMqttClientInternals::ConnectFlag.WILL_QOS2;
+        break;
+    }
+  }
+
+  char keepAliveBytes[2];
+  keepAliveBytes[0] = keepAlive >> 8;
+  keepAliveBytes[1] = keepAlive & 0xFF;
+
+  uint16_t clientIdLength = strlen(clientId);
+  char clientIdLengthBytes[2];
+  clientIdLengthBytes[0] = clientIdLength >> 8;
+  clientIdLengthBytes[1] = clientIdLength & 0xFF;
+
+  // Optional fields
+  uint16_t willTopicLength = 0;
+  char willTopicLengthBytes[2];
+  char willPayloadLengthBytes[2];
+  if (willTopic != nullptr) {
+    willTopicLength = strlen(willTopic);
+    willTopicLengthBytes[0] = willTopicLength >> 8;
+    willTopicLengthBytes[1] = willTopicLength & 0xFF;
+
+    if (willPayload != nullptr && willPayloadLength == 0) willPayloadLength = strlen(willPayload);
+
+    willPayloadLengthBytes[0] = willPayloadLength >> 8;
+    willPayloadLengthBytes[1] = willPayloadLength & 0xFF;
+  }
+
+  uint16_t usernameLength = 0;
+  char usernameLengthBytes[2];
+  if (username != nullptr) {
+    usernameLength = strlen(username);
+    usernameLengthBytes[0] = usernameLength >> 8;
+    usernameLengthBytes[1] = usernameLength & 0xFF;
+  }
+
+  uint16_t passwordLength = 0;
+  char passwordLengthBytes[2];
+  if (password != nullptr) {
+    passwordLength = strlen(password);
+    passwordLengthBytes[0] = passwordLength >> 8;
+    passwordLengthBytes[1] = passwordLength & 0xFF;
+  }
+
+  uint32_t remainingLength = 2 + protocolNameLength + 1 + 1 + 2 + 2 + clientIdLength;  // always present
+  if (willTopic != nullptr) remainingLength += 2 + willTopicLength + 2 + willPayloadLength;
+  if (username != nullptr) remainingLength += 2 + usernameLength;
+  if (password != nullptr) remainingLength += 2 + passwordLength;
+  uint8_t remainingLengthLength = AsyncMqttClientInternals::Helpers::encodeRemainingLength(remainingLength, fixedHeader + 1);
+
+  uint32_t neededSpace = 1 + remainingLengthLength;
+  neededSpace += 2;
+  neededSpace += protocolNameLength;
+  neededSpace += 1;
+  neededSpace += 1;
+  neededSpace += 2;
+  neededSpace += 2;
+  neededSpace += clientIdLength;
+  if (willTopic != nullptr) {
+    neededSpace += 2;
+    neededSpace += willTopicLength;
+
+    neededSpace += 2;
+    if (willPayload != nullptr) neededSpace += willPayloadLength;
+  }
+  if (username != nullptr) {
+    neededSpace += 2;
+    neededSpace += usernameLength;
+  }
+  if (password != nullptr) {
+    neededSpace += 2;
+    neededSpace += passwordLength;
+  }
+
+  _data.reserve(neededSpace);
+
+  _data.insert(_data.end(), fixedHeader, fixedHeader + 1 + remainingLengthLength);
+
+  _data.push_back(protocolNameLengthBytes[0]);
+  _data.push_back(protocolNameLengthBytes[1]);
+
+  _data.push_back('M');
+  _data.push_back('Q');
+  _data.push_back('T');
+  _data.push_back('T');
+
+  _data.push_back(protocolLevel[0]);
+  _data.push_back(connectFlags[0]);
+  _data.push_back(keepAliveBytes[0]);
+  _data.push_back(keepAliveBytes[1]);
+  _data.push_back(clientIdLengthBytes[0]);
+  _data.push_back(clientIdLengthBytes[1]);
+
+  _data.insert(_data.end(), clientId, clientId + clientIdLength);
+  if (willTopic != nullptr) {
+    _data.insert(_data.end(), willTopicLengthBytes, willTopicLengthBytes + 2);
+    _data.insert(_data.end(), willTopic, willTopic + willTopicLength);
+
+    _data.insert(_data.end(), willPayloadLengthBytes, willPayloadLengthBytes + 2);
+    if (willPayload != nullptr) _data.insert(_data.end(), willPayload, willPayload + willPayloadLength);
+  }
+  if (username != nullptr) {
+    _data.insert(_data.end(), usernameLengthBytes, usernameLengthBytes + 2);
+    _data.insert(_data.end(), username, username + usernameLength);
+  }
+  if (password != nullptr) {
+    _data.insert(_data.end(), passwordLengthBytes, passwordLengthBytes + 2);
+    _data.insert(_data.end(), password, password + passwordLength);
+  }
+}
+
+const uint8_t* ConnectOutPacket::data(size_t index) const {
+  return &_data.data()[index];
+}
+
+size_t ConnectOutPacket::size() const {
+  return _data.size();
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Connect.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <vector>
+#include <cstring>  // strlen
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+
+namespace AsyncMqttClientInternals {
+class ConnectOutPacket : public OutPacket {
+ public:
+  ConnectOutPacket(bool cleanSession,
+                   const char* username,
+                   const char* password,
+                   const char* willTopic,
+                   bool willRetain,
+                   uint8_t willQos,
+                   const char* willPayload,
+                   uint16_t willPayloadLength,
+                   uint16_t keepAlive,
+                   const char* clientId);
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  std::vector<uint8_t> _data;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Disconn.cpp

@@ -0,0 +1,18 @@
+#include "Disconn.hpp"
+
+using AsyncMqttClientInternals::DisconnOutPacket;
+
+DisconnOutPacket::DisconnOutPacket() {
+  _data[0] = AsyncMqttClientInternals::PacketType.DISCONNECT;
+  _data[0] = _data[0] << 4;
+  _data[0] = _data[0] | AsyncMqttClientInternals::HeaderFlag.DISCONNECT_RESERVED;
+  _data[1] = 0;
+}
+
+const uint8_t* DisconnOutPacket::data(size_t index) const {
+  return &_data[index];
+}
+
+size_t DisconnOutPacket::size() const {
+  return 2;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Disconn.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+
+namespace AsyncMqttClientInternals {
+class DisconnOutPacket : public OutPacket {
+ public:
+  DisconnOutPacket();
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  uint8_t _data[2];
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/OutPacket.cpp

@@ -0,0 +1,44 @@
+#include "OutPacket.hpp"
+
+using AsyncMqttClientInternals::OutPacket;
+
+OutPacket::OutPacket()
+: next(nullptr)
+, timeout(0)
+, noTries(0)
+, _released(true)
+, _packetId(0) {}
+
+OutPacket::~OutPacket() {}
+
+bool OutPacket::released() const {
+  return _released;
+}
+
+uint8_t OutPacket::packetType() const {
+  return data(0)[0] >> 4;
+}
+
+uint16_t OutPacket::packetId() const {
+  return _packetId;
+}
+
+uint8_t OutPacket::qos() const {
+  if (packetType() == AsyncMqttClientInternals::PacketType.PUBLISH) {
+    return (data()[1] & 0x06) >> 1;
+  }
+  return 0;
+}
+
+void OutPacket::release() {
+  _released = true;
+}
+
+uint16_t OutPacket::_nextPacketId = 0;
+
+uint16_t OutPacket::_getNextPacketId() {
+  if (++_nextPacketId == 0) {
+    ++_nextPacketId;
+  }
+  return _nextPacketId;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/OutPacket.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <stdint.h>  // uint*_t
+#include <stddef.h>  // size_t
+#include <algorithm>  // std::min
+
+#include "../../Flags.hpp"
+
+namespace AsyncMqttClientInternals {
+class OutPacket {
+ public:
+  OutPacket();
+  virtual ~OutPacket();
+  virtual const uint8_t* data(size_t index = 0) const = 0;
+  virtual size_t size() const = 0;
+  bool released() const;
+  uint8_t packetType() const;
+  uint16_t packetId() const;
+  uint8_t qos() const;
+  void release();
+
+ public:
+  OutPacket* next;
+  uint32_t timeout;
+  uint8_t noTries;
+
+ protected:
+  static uint16_t _getNextPacketId();
+  bool _released;
+  uint16_t _packetId;
+
+ private:
+  static uint16_t _nextPacketId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/PingReq.cpp

@@ -0,0 +1,18 @@
+#include "PingReq.hpp"
+
+using AsyncMqttClientInternals::PingReqOutPacket;
+
+PingReqOutPacket::PingReqOutPacket() {
+  _data[0] = AsyncMqttClientInternals::PacketType.PINGREQ;
+  _data[0] = _data[0] << 4;
+  _data[0] = _data[0] | AsyncMqttClientInternals::HeaderFlag.PINGREQ_RESERVED;
+  _data[1] = 0;
+}
+
+const uint8_t* PingReqOutPacket::data(size_t index) const {
+  return &_data[index];;
+}
+
+size_t PingReqOutPacket::size() const {
+  return 2;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/PingReq.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+
+namespace AsyncMqttClientInternals {
+class PingReqOutPacket : public OutPacket {
+ public:
+  PingReqOutPacket();
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  uint8_t _data[2];
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/PubAck.cpp

@@ -0,0 +1,25 @@
+#include "PubAck.hpp"
+
+using AsyncMqttClientInternals::PubAckOutPacket;
+
+PubAckOutPacket::PubAckOutPacket(PendingAck pendingAck) {
+  _data[0] = pendingAck.packetType;
+  _data[0] = _data[0] << 4;
+  _data[0] = _data[0] | pendingAck.headerFlag;
+  _data[1] = 2;
+  _packetId = pendingAck.packetId;
+  _data[2] = pendingAck.packetId >> 8;
+  _data[3] = pendingAck.packetId & 0xFF;
+  if (packetType() == AsyncMqttClientInternals::PacketType.PUBREL ||
+      packetType() == AsyncMqttClientInternals::PacketType.PUBREC) {
+    _released = false;
+  }
+}
+
+const uint8_t* PubAckOutPacket::data(size_t index) const {
+  return &_data[index];
+}
+
+size_t PubAckOutPacket::size() const {
+  return 4;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/PubAck.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+#include "../../Storage.hpp"
+
+namespace AsyncMqttClientInternals {
+class PubAckOutPacket : public OutPacket {
+ public:
+  explicit PubAckOutPacket(PendingAck pendingAck);
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  uint8_t _data[4];
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Publish.cpp

@@ -0,0 +1,69 @@
+#include "Publish.hpp"
+
+using AsyncMqttClientInternals::PublishOutPacket;
+
+PublishOutPacket::PublishOutPacket(const char* topic, uint8_t qos, bool retain, const char* payload, size_t length) {
+  char fixedHeader[5];
+  fixedHeader[0] = AsyncMqttClientInternals::PacketType.PUBLISH;
+  fixedHeader[0] = fixedHeader[0] << 4;
+  // if (dup) fixedHeader[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_DUP;
+  if (retain) fixedHeader[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_RETAIN;
+  switch (qos) {
+    case 0:
+      fixedHeader[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_QOS0;
+      break;
+    case 1:
+      fixedHeader[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_QOS1;
+      break;
+    case 2:
+      fixedHeader[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_QOS2;
+      break;
+  }
+
+  uint16_t topicLength = strlen(topic);
+  char topicLengthBytes[2];
+  topicLengthBytes[0] = topicLength >> 8;
+  topicLengthBytes[1] = topicLength & 0xFF;
+
+  uint32_t payloadLength = length;
+  if (payload != nullptr && payloadLength == 0) payloadLength = strlen(payload);
+
+  uint32_t remainingLength = 2 + topicLength + payloadLength;
+  if (qos != 0) remainingLength += 2;
+  uint8_t remainingLengthLength = AsyncMqttClientInternals::Helpers::encodeRemainingLength(remainingLength, fixedHeader + 1);
+
+  size_t neededSpace = 0;
+  neededSpace += 1 + remainingLengthLength;
+  neededSpace += 2;
+  neededSpace += topicLength;
+  if (qos != 0) neededSpace += 2;
+  if (payload != nullptr) neededSpace += payloadLength;
+
+  _data.reserve(neededSpace);
+
+  _packetId = (qos !=0) ? _getNextPacketId() : 1;
+  char packetIdBytes[2];
+  packetIdBytes[0] = _packetId >> 8;
+  packetIdBytes[1] = _packetId & 0xFF;
+
+  _data.insert(_data.end(), fixedHeader, fixedHeader + 1 + remainingLengthLength);
+  _data.insert(_data.end(), topicLengthBytes, topicLengthBytes + 2);
+  _data.insert(_data.end(), topic, topic + topicLength);
+  if (qos != 0) {
+    _data.insert(_data.end(), packetIdBytes, packetIdBytes + 2);
+    _released = false;
+  }
+  if (payload != nullptr) _data.insert(_data.end(), payload, payload + payloadLength);
+}
+
+const uint8_t* PublishOutPacket::data(size_t index) const {
+  return &_data.data()[index];
+}
+
+size_t PublishOutPacket::size() const {
+  return _data.size();
+}
+
+void PublishOutPacket::setDup() {
+  _data[0] |= AsyncMqttClientInternals::HeaderFlag.PUBLISH_DUP;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Publish.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstring>  // strlen
+#include <vector>
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+#include "../../Storage.hpp"
+
+namespace AsyncMqttClientInternals {
+class PublishOutPacket : public OutPacket {
+ public:
+  PublishOutPacket(const char* topic, uint8_t qos, bool retain, const char* payload, size_t length);
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+  void setDup();  // you cannot unset dup
+
+ private:
+  std::vector<uint8_t> _data;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Subscribe.cpp

@@ -0,0 +1,49 @@
+#include "Subscribe.hpp"
+
+using AsyncMqttClientInternals::SubscribeOutPacket;
+
+SubscribeOutPacket::SubscribeOutPacket(const char* topic, uint8_t qos) {
+  char fixedHeader[5];
+  fixedHeader[0] = AsyncMqttClientInternals::PacketType.SUBSCRIBE;
+  fixedHeader[0] = fixedHeader[0] << 4;
+  fixedHeader[0] = fixedHeader[0] | AsyncMqttClientInternals::HeaderFlag.SUBSCRIBE_RESERVED;
+
+  uint16_t topicLength = strlen(topic);
+  char topicLengthBytes[2];
+  topicLengthBytes[0] = topicLength >> 8;
+  topicLengthBytes[1] = topicLength & 0xFF;
+
+  char qosByte[1];
+  qosByte[0] = qos;
+
+  uint8_t remainingLengthLength = AsyncMqttClientInternals::Helpers::encodeRemainingLength(2 + 2 + topicLength + 1, fixedHeader + 1);
+
+  size_t neededSpace = 0;
+  neededSpace += 1 + remainingLengthLength;
+  neededSpace += 2;
+  neededSpace += 2;
+  neededSpace += topicLength;
+  neededSpace += 1;
+
+  _data.reserve(neededSpace);
+
+  _packetId = _getNextPacketId();
+  char packetIdBytes[2];
+  packetIdBytes[0] = _packetId >> 8;
+  packetIdBytes[1] = _packetId & 0xFF;
+
+  _data.insert(_data.end(), fixedHeader, fixedHeader + 1 + remainingLengthLength);
+  _data.insert(_data.end(), packetIdBytes, packetIdBytes + 2);
+  _data.insert(_data.end(), topicLengthBytes, topicLengthBytes + 2);
+  _data.insert(_data.end(), topic, topic + topicLength);
+  _data.push_back(qosByte[0]);
+  _released = false;
+}
+
+const uint8_t* SubscribeOutPacket::data(size_t index) const {
+  return &_data.data()[index];
+}
+
+size_t SubscribeOutPacket::size() const {
+  return _data.size();
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Subscribe.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <cstring>  // strlen
+#include <vector>
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+#include "../../Storage.hpp"
+
+namespace AsyncMqttClientInternals {
+class SubscribeOutPacket : public OutPacket {
+ public:
+  SubscribeOutPacket(const char* topic, uint8_t qos);
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  std::vector<uint8_t> _data;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Unsubscribe.cpp

@@ -0,0 +1,42 @@
+#include "Unsubscribe.hpp"
+
+using AsyncMqttClientInternals::UnsubscribeOutPacket;
+
+UnsubscribeOutPacket::UnsubscribeOutPacket(const char* topic) {
+  char fixedHeader[5];
+  fixedHeader[0] = AsyncMqttClientInternals::PacketType.UNSUBSCRIBE;
+  fixedHeader[0] = fixedHeader[0] << 4;
+  fixedHeader[0] = fixedHeader[0] | AsyncMqttClientInternals::HeaderFlag.UNSUBSCRIBE_RESERVED;
+
+  uint16_t topicLength = strlen(topic);
+  char topicLengthBytes[2];
+  topicLengthBytes[0] = topicLength >> 8;
+  topicLengthBytes[1] = topicLength & 0xFF;
+
+  uint8_t remainingLengthLength = AsyncMqttClientInternals::Helpers::encodeRemainingLength(2 + 2 + topicLength, fixedHeader + 1);
+
+  size_t neededSpace = 0;
+  neededSpace += 1 + remainingLengthLength;
+  neededSpace += 2;
+  neededSpace += 2;
+  neededSpace += topicLength;
+
+  _packetId = _getNextPacketId();
+  char packetIdBytes[2];
+  packetIdBytes[0] = _packetId >> 8;
+  packetIdBytes[1] = _packetId & 0xFF;
+
+  _data.insert(_data.end(), fixedHeader, fixedHeader + 1 + remainingLengthLength);
+  _data.insert(_data.end(), packetIdBytes, packetIdBytes + 2);
+  _data.insert(_data.end(), topicLengthBytes, topicLengthBytes + 2);
+  _data.insert(_data.end(), topic, topic + topicLength);
+  _released = false;
+}
+
+const uint8_t* UnsubscribeOutPacket::data(size_t index) const {
+  return &_data.data()[index];
+}
+
+size_t UnsubscribeOutPacket::size() const {
+  return _data.size();
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Out/Unsubscribe.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <cstring>  // strlen
+#include <vector>
+
+#include "OutPacket.hpp"
+#include "../../Flags.hpp"
+#include "../../Helpers.hpp"
+#include "../../Storage.hpp"
+
+namespace AsyncMqttClientInternals {
+class UnsubscribeOutPacket : public OutPacket {
+ public:
+  explicit UnsubscribeOutPacket(const char* topic);
+  const uint8_t* data(size_t index = 0) const;
+  size_t size() const;
+
+ private:
+  std::vector<uint8_t> _data;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/Packet.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+namespace AsyncMqttClientInternals {
+class Packet {
+ public:
+  virtual ~Packet() {}
+
+  virtual void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) = 0;
+  virtual void parsePayload(char* data, size_t len, size_t* currentBytePosition) = 0;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PingRespPacket.cpp

@@ -0,0 +1,21 @@
+#include "PingRespPacket.hpp"
+
+using AsyncMqttClientInternals::PingRespPacket;
+
+PingRespPacket::PingRespPacket(ParsingInformation* parsingInformation, OnPingRespInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback) {
+}
+
+PingRespPacket::~PingRespPacket() {
+}
+
+void PingRespPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}
+
+void PingRespPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PingRespPacket.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PingRespPacket : public Packet {
+ public:
+  explicit PingRespPacket(ParsingInformation* parsingInformation, OnPingRespInternalCallback callback);
+  ~PingRespPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnPingRespInternalCallback _callback;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubAckPacket.cpp

@@ -0,0 +1,30 @@
+#include "PubAckPacket.hpp"
+
+using AsyncMqttClientInternals::PubAckPacket;
+
+PubAckPacket::PubAckPacket(ParsingInformation* parsingInformation, OnPubAckInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+PubAckPacket::~PubAckPacket() {
+}
+
+void PubAckPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_packetId);
+  }
+}
+
+void PubAckPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubAckPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PubAckPacket : public Packet {
+ public:
+  explicit PubAckPacket(ParsingInformation* parsingInformation, OnPubAckInternalCallback callback);
+  ~PubAckPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnPubAckInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubCompPacket.cpp

@@ -0,0 +1,30 @@
+#include "PubCompPacket.hpp"
+
+using AsyncMqttClientInternals::PubCompPacket;
+
+PubCompPacket::PubCompPacket(ParsingInformation* parsingInformation, OnPubCompInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+PubCompPacket::~PubCompPacket() {
+}
+
+void PubCompPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_packetId);
+  }
+}
+
+void PubCompPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubCompPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PubCompPacket : public Packet {
+ public:
+  explicit PubCompPacket(ParsingInformation* parsingInformation, OnPubCompInternalCallback callback);
+  ~PubCompPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnPubCompInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubRecPacket.cpp

@@ -0,0 +1,30 @@
+#include "PubRecPacket.hpp"
+
+using AsyncMqttClientInternals::PubRecPacket;
+
+PubRecPacket::PubRecPacket(ParsingInformation* parsingInformation, OnPubRecInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+PubRecPacket::~PubRecPacket() {
+}
+
+void PubRecPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_packetId);
+  }
+}
+
+void PubRecPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubRecPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PubRecPacket : public Packet {
+ public:
+  explicit PubRecPacket(ParsingInformation* parsingInformation, OnPubRecInternalCallback callback);
+  ~PubRecPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnPubRecInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubRelPacket.cpp

@@ -0,0 +1,30 @@
+#include "PubRelPacket.hpp"
+
+using AsyncMqttClientInternals::PubRelPacket;
+
+PubRelPacket::PubRelPacket(ParsingInformation* parsingInformation, OnPubRelInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+PubRelPacket::~PubRelPacket() {
+}
+
+void PubRelPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_packetId);
+  }
+}
+
+void PubRelPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PubRelPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PubRelPacket : public Packet {
+ public:
+  explicit PubRelPacket(ParsingInformation* parsingInformation, OnPubRelInternalCallback callback);
+  ~PubRelPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnPubRelInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PublishPacket.cpp

@@ -0,0 +1,91 @@
+#include "PublishPacket.hpp"
+
+using AsyncMqttClientInternals::PublishPacket;
+
+PublishPacket::PublishPacket(ParsingInformation* parsingInformation, OnMessageInternalCallback dataCallback, OnPublishInternalCallback completeCallback)
+: _parsingInformation(parsingInformation)
+, _dataCallback(dataCallback)
+, _completeCallback(completeCallback)
+, _dup(false)
+, _qos(0)
+, _retain(0)
+, _bytePosition(0)
+, _topicLengthMsb(0)
+, _topicLength(0)
+, _ignore(false)
+, _packetIdMsb(0)
+, _packetId(0)
+, _payloadLength(0)
+, _payloadBytesRead(0) {
+    _dup = _parsingInformation->packetFlags & HeaderFlag.PUBLISH_DUP;
+    _retain = _parsingInformation->packetFlags & HeaderFlag.PUBLISH_RETAIN;
+    char qosMasked = _parsingInformation->packetFlags & 0x06;
+    switch (qosMasked) {
+      case HeaderFlag.PUBLISH_QOS0:
+        _qos = 0;
+        break;
+      case HeaderFlag.PUBLISH_QOS1:
+        _qos = 1;
+        break;
+      case HeaderFlag.PUBLISH_QOS2:
+        _qos = 2;
+        break;
+    }
+}
+
+PublishPacket::~PublishPacket() {
+}
+
+void PublishPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition == 0) {
+    _topicLengthMsb = currentByte;
+  } else if (_bytePosition == 1) {
+    _topicLength = currentByte | _topicLengthMsb << 8;
+    if (_topicLength > _parsingInformation->maxTopicLength) {
+      _ignore = true;
+    } else {
+      _parsingInformation->topicBuffer[_topicLength] = '\0';
+    }
+  } else if (_bytePosition >= 2 && _bytePosition < 2 + _topicLength) {
+    // Starting from here, _ignore might be true
+    if (!_ignore) _parsingInformation->topicBuffer[_bytePosition - 2] = currentByte;
+    if (_bytePosition == 2 + _topicLength - 1 && _qos == 0) {
+      _preparePayloadHandling(_parsingInformation->remainingLength - (_bytePosition + 1));
+      return;
+    }
+  } else if (_bytePosition == 2 + _topicLength) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _preparePayloadHandling(_parsingInformation->remainingLength - (_bytePosition + 1));
+  }
+  _bytePosition++;
+}
+
+void PublishPacket::_preparePayloadHandling(uint32_t payloadLength) {
+  _payloadLength = payloadLength;
+  if (payloadLength == 0) {
+    _parsingInformation->bufferState = BufferState::NONE;
+    if (!_ignore) {
+      _dataCallback(_parsingInformation->topicBuffer, nullptr, _qos, _dup, _retain, 0, 0, 0, _packetId);
+      _completeCallback(_packetId, _qos);
+    }
+  } else {
+    _parsingInformation->bufferState = BufferState::PAYLOAD;
+  }
+}
+
+void PublishPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  size_t remainToRead = len - (*currentBytePosition);
+  if (_payloadBytesRead + remainToRead > _payloadLength) remainToRead = _payloadLength - _payloadBytesRead;
+
+  if (!_ignore) _dataCallback(_parsingInformation->topicBuffer, data + (*currentBytePosition), _qos, _dup, _retain, remainToRead, _payloadBytesRead, _payloadLength, _packetId);
+  _payloadBytesRead += remainToRead;
+  (*currentBytePosition) += remainToRead;
+
+  if (_payloadBytesRead == _payloadLength) {
+    _parsingInformation->bufferState = BufferState::NONE;
+    if (!_ignore) _completeCallback(_packetId, _qos);
+  }
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/PublishPacket.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../Flags.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class PublishPacket : public Packet {
+ public:
+  explicit PublishPacket(ParsingInformation* parsingInformation, OnMessageInternalCallback dataCallback, OnPublishInternalCallback completeCallback);
+  ~PublishPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnMessageInternalCallback _dataCallback;
+  OnPublishInternalCallback _completeCallback;
+
+  void _preparePayloadHandling(uint32_t payloadLength);
+
+  bool _dup;
+  uint8_t _qos;
+  bool _retain;
+
+  uint8_t _bytePosition;
+  char _topicLengthMsb;
+  uint16_t _topicLength;
+  bool _ignore;
+  char _packetIdMsb;
+  uint16_t _packetId;
+  uint32_t _payloadLength;
+  uint32_t _payloadBytesRead;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/SubAckPacket.cpp

@@ -0,0 +1,46 @@
+#include "SubAckPacket.hpp"
+
+using AsyncMqttClientInternals::SubAckPacket;
+
+SubAckPacket::SubAckPacket(ParsingInformation* parsingInformation, OnSubAckInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+SubAckPacket::~SubAckPacket() {
+}
+
+void SubAckPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::PAYLOAD;
+  }
+}
+
+void SubAckPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  char status = data[(*currentBytePosition)++];
+
+  /* switch (status) {
+    case 0:
+      Serial.println("Success QoS 0");
+      break;
+    case 1:
+      Serial.println("Success QoS 1");
+      break;
+    case 2:
+      Serial.println("Success QoS 2");
+      break;
+    case 0x80:
+      Serial.println("Failure");
+      break;
+  } */
+
+  _parsingInformation->bufferState = BufferState::NONE;
+  _callback(_packetId, status);
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/SubAckPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class SubAckPacket : public Packet {
+ public:
+  explicit SubAckPacket(ParsingInformation* parsingInformation, OnSubAckInternalCallback callback);
+  ~SubAckPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnSubAckInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/UnsubAckPacket.cpp

@@ -0,0 +1,30 @@
+#include "UnsubAckPacket.hpp"
+
+using AsyncMqttClientInternals::UnsubAckPacket;
+
+UnsubAckPacket::UnsubAckPacket(ParsingInformation* parsingInformation, OnUnsubAckInternalCallback callback)
+: _parsingInformation(parsingInformation)
+, _callback(callback)
+, _bytePosition(0)
+, _packetIdMsb(0)
+, _packetId(0) {
+}
+
+UnsubAckPacket::~UnsubAckPacket() {
+}
+
+void UnsubAckPacket::parseVariableHeader(char* data, size_t len, size_t* currentBytePosition) {
+  char currentByte = data[(*currentBytePosition)++];
+  if (_bytePosition++ == 0) {
+    _packetIdMsb = currentByte;
+  } else {
+    _packetId = currentByte | _packetIdMsb << 8;
+    _parsingInformation->bufferState = BufferState::NONE;
+    _callback(_packetId);
+  }
+}
+
+void UnsubAckPacket::parsePayload(char* data, size_t len, size_t* currentBytePosition) {
+  (void)data;
+  (void)currentBytePosition;
+}

yoRadio/src/async-mqtt-client/AsyncMqttClient/Packets/UnsubAckPacket.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Arduino.h"
+#include "Packet.hpp"
+#include "../ParsingInformation.hpp"
+#include "../Callbacks.hpp"
+
+namespace AsyncMqttClientInternals {
+class UnsubAckPacket : public Packet {
+ public:
+  explicit UnsubAckPacket(ParsingInformation* parsingInformation, OnUnsubAckInternalCallback callback);
+  ~UnsubAckPacket();
+
+  void parseVariableHeader(char* data, size_t len, size_t* currentBytePosition);
+  void parsePayload(char* data, size_t len, size_t* currentBytePosition);
+
+ private:
+  ParsingInformation* _parsingInformation;
+  OnUnsubAckInternalCallback _callback;
+
+  uint8_t _bytePosition;
+  char _packetIdMsb;
+  uint16_t _packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/ParsingInformation.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+namespace AsyncMqttClientInternals {
+enum class BufferState : uint8_t {
+  NONE = 0,
+  REMAINING_LENGTH = 2,
+  VARIABLE_HEADER = 3,
+  PAYLOAD = 4
+};
+
+struct ParsingInformation {
+  BufferState bufferState;
+
+  uint16_t maxTopicLength;
+  char* topicBuffer;
+
+  uint8_t packetType;
+  uint16_t packetFlags;
+  uint32_t remainingLength;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/async-mqtt-client/AsyncMqttClient/Storage.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+namespace AsyncMqttClientInternals {
+struct PendingPubRel {
+  uint16_t packetId;
+};
+
+struct PendingAck {
+  uint8_t packetType;
+  uint8_t headerFlag;
+  uint16_t packetId;
+};
+}  // namespace AsyncMqttClientInternals

yoRadio/src/core/mqtt.h

@@ -3,7 +3,7 @@
 
 #if __has_include("../../mqttoptions.h")
 #include "../../mqttoptions.h"
-#include <AsyncMqttClient.h>
+#include "../async-mqtt-client/AsyncMqttClient.h"
 
 
 void mqttInit();

yoRadio/src/core/netserver.h

@@ -2,7 +2,7 @@
 #define netserver_h
 #include "Arduino.h"
 
-#include "ESPAsyncWebServer.h"
+#include "../AsyncWebServer/ESPAsyncWebServer.h"
 #include "AsyncUDP.h"
 
 enum requestType_e : uint8_t  { PLAYLIST=1, STATION=2, STATIONNAME=3, ITEM=4, TITLE=5, VOLUME=6, NRSSI=7, BITRATE=8, MODE=9, EQUALIZER=10, BALANCE=11, PLAYLISTSAVED=12, GETMODE=13, GETINDEX=14, GETACTIVE=15, GETSYSTEM=16, GETSCREEN=17, GETTIMEZONE=18, GETWEATHER=19, GETCONTROLS=20, DSPON=21, SDPOS=22, SDLEN=23, SDSNUFFLE=24 };
@@ -27,8 +27,8 @@ class NetServer {
     void setRSSI(int val) { rssi = val; };
     void chunkedHtmlPage(const String& contentType, AsyncWebServerRequest *request, const char * path, bool gzip = false);
     void onWsMessage(void *arg, uint8_t *data, size_t len, uint8_t clientId);
-#if IR_PIN!=255
     bool irRecordEnable;
+#if IR_PIN!=255
     void irToWs(const char* protocol, uint64_t irvalue);
     void irValsToWs(); 
 #endif

yoRadio/src/core/options.h

@@ -1,7 +1,7 @@
 #ifndef options_h
 #define options_h
 
-#define YOVERSION "0.8.901"
+#define YOVERSION "0.8.920"
 
 /*******************************************************
 DO NOT EDIT THIS FILE. 

yoRadio/src/core/player.cpp

@@ -78,7 +78,8 @@ void Player::stop(const char *nttl){
   netserver.requestOnChange(BITRATE, 0);
   display.putRequest(DBITRATE);
   display.putRequest(PSTOP);
-  setDefaults();
+  //setDefaults();
+  stopSong();
   stopInfo();
   if (player_on_stop_play) player_on_stop_play();
 }

yoRadio/src/displays/widgets/pages.h

@@ -2,7 +2,7 @@
 #define pages_h
 
 #include "Arduino.h"
-#include "StringArray.h"
+#include "../../AsyncWebServer/StringArray.h"
 
 class Page {
   protected: