bump version

Added note about delay() limitation.

README.md

@@ -18,7 +18,11 @@ a WebSocket Server and Client for Arduino based on RFC6455.
  - max input length is limited to the ram size and the ```WEBSOCKETS_MAX_DATA_SIZE``` define
  - max output length has no limit (the hardware is the limit)
  - Client send big frames with mask 0x00000000 (on AVR all frames)
-
+ 
+ ##### Limitations for Async #####
+ - Functions called from within the context of the websocket event might not honor `yield()` and/or `delay()`.  See [this issue](https://github.com/Links2004/arduinoWebSockets/issues/58#issuecomment-192376395) for more info and a potential workaround.
+ - wss / SSL is not possible.
+ 
 ##### Supported Hardware #####
  - ESP8266 [Arduino for ESP8266](https://github.com/Links2004/Arduino)
  - ESP31B
@@ -45,8 +49,6 @@ The mode can be aktivated in the ```WebSockets.h``` (see WEBSOCKETS_NETWORK_TYPE
 
 [ESPAsyncTCP](https://github.com/me-no-dev/ESPAsyncTCP) libary is required.
 
-Note: in this mode wss / SSL is not possible.
-
 ### Issues ###
 Submit issues to: https://github.com/Links2004/arduinoWebSockets/issues
 

examples/WebSocketClientSSL/WebSocketClientSSL.ino

@@ -22,7 +22,7 @@ WebSocketsClient webSocket;
 
 #define USE_SERIAL Serial1
 
-void webSocketEvent(WStype_t type, uint8_t * payload, size_t lenght) {
+void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
 
 
     switch(type) {
@@ -44,11 +44,11 @@ void webSocketEvent(WStype_t type, uint8_t * payload, size_t lenght) {
 			// webSocket.sendTXT("message here");
             break;
         case WStype_BIN:
-            USE_SERIAL.printf("[WSc] get binary lenght: %u\n", lenght);
-            hexdump(payload, lenght);
+            USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
+            hexdump(payload, length);
 
             // send data to server
-            // webSocket.sendBIN(payload, lenght);
+            // webSocket.sendBIN(payload, length);
             break;
     }
 

library.properties

@@ -1,9 +1,9 @@
 name=WebSockets
-version=2.0
+version=2.0.2
 author=Markus Sattler
 maintainer=Markus Sattler 
 sentence=WebSockets for Arduino (Server + Client)
-paragraph=use 2.0 for ESP and 1.3 for AVR
+paragraph=use 2.x.x for ESP and 1.3 for AVR
 category=Communication
 url=https://github.com/Links2004/arduinoWebSockets
 architectures=*

src/WebSocketsClient.cpp

@@ -397,9 +397,12 @@ void WebSocketsClient::sendHeader(WSclient_t * client) {
                         "Connection: Upgrade\r\n"
                         "User-Agent: arduino-WebSocket-Client\r\n"
                         "Sec-WebSocket-Version: 13\r\n"
-                        "Sec-WebSocket-Protocol: " + client->cProtocol +"\r\n"
                         "Sec-WebSocket-Key: " + client->cKey + "\r\n";
 
+    if(client->cProtocol.length() > 0) {
+        handshake += "Sec-WebSocket-Protocol: " + client->cProtocol + "\r\n";
+    }
+
     if(client->cExtensions.length() > 0) {
         handshake += "Sec-WebSocket-Extensions: " + client->cExtensions + "\r\n";
     }

src/WebSocketsServer.cpp

@@ -627,7 +627,7 @@ void WebSocketsServer::handleHeader(WSclient_t * client, String * headerLine) {
         DEBUG_WEBSOCKETS("[WS-Server][%d][handleHeader]  - cProtocol: %s\n", client->num, client->cProtocol.c_str());
         DEBUG_WEBSOCKETS("[WS-Server][%d][handleHeader]  - cExtensions: %s\n", client->num, client->cExtensions.c_str());
         DEBUG_WEBSOCKETS("[WS-Server][%d][handleHeader]  - cVersion: %d\n", client->num, client->cVersion);
-        DEBUG_WEBSOCKETS("[WS-Server][%d][handleHeader]  - base64Authorization: %s\n", client->num, client->base64Authorization);
+        DEBUG_WEBSOCKETS("[WS-Server][%d][handleHeader]  - base64Authorization: %s\n", client->num, client->base64Authorization.c_str());
 
         bool ok = (client->cIsUpgrade && client->cIsWebsocket);