Deployed d1cd5e6 with MkDocs version: 1.1

design/index.html

@@ -117,6 +117,7 @@
 <p>The per message deflate compression option is supported. It can lead to very nice bandbwith savings (20x !) if your messages are similar, which is often the case for example for chat applications. All features of the spec should be supported.</p>
 <h3 id="tlsssl">TLS/SSL</h3>
 <p>Connections can be optionally secured and encrypted with TLS/SSL when using a wss:// endpoint, or using normal un-encrypted socket with ws:// endpoints. AppleSSL is used on iOS and macOS, OpenSSL and mbedTLS can be used on Android, Linux and Windows.</p>
+<p>If you are using OpenSSL, try to be on a version higher than 1.1.x as there there are thread safety problems with 1.0.x.</p>
 <h3 id="polling-and-background-thread-work">Polling and background thread work</h3>
 <p>No manual polling to fetch data is required. Data is sent and received instantly by using a background thread for receiving data and the select <a href="http://man7.org/linux/man-pages/man2/select.2.html">system</a> call to be notified by the OS of incoming data. No timeout is used for select so that the background thread is only woken up when data is available, to optimize battery life. This is also the recommended way of using select according to the select tutorial, section <a href="https://linux.die.net/man/2/select_tut">select law</a>. Read and Writes to the socket are non blocking. Data is sent right away and not enqueued by writing directly to the socket, which is <a href="https://stackoverflow.com/questions/1981372/are-parallel-calls-to-send-recv-on-the-same-socket-valid">possible</a> since system socket implementations allow concurrent read/writes. However concurrent writes need to be protected with mutex.</p>
 <h3 id="automatic-reconnection">Automatic reconnection</h3>
@@ -126,7 +127,14 @@
 <h3 id="testing">Testing</h3>
 <p>The library has an interactive tool which is handy for testing compatibility ith other libraries. We have tested our client against Python, Erlang, Node.js, and C++ websocket server libraries.</p>
 <p>The unittest tries to be comprehensive, and has been running on multiple platforms, with different sanitizers such as a thread sanitizer to catch data races or the undefined behavior sanitizer.</p>
-<p>The regression test is running after each commit on travis.</p>
+<p>The regression test is running after each commit on github actions for multiple configurations.</p>
+<ul>
+<li>Linux</li>
+<li>macOS with thread sanitizer</li>
+<li>macOS, with OpenSSL, with thread sanitizer</li>
+<li>macOS, with MbedTLS, with thread sanitizer</li>
+<li>Windows, with MbedTLS (the unittest is not run yet)</li>
+</ul>
 <h2 id="limitations">Limitations</h2>
 <ul>
 <li>On Windows and Android certificate validation needs to be setup so that SocketTLSOptions.caFile point to a pem file, such as the one distributed by Firefox. Unless that setup is done connecting to a wss endpoint will display an error. On Windows with mbedtls the message will contain <code>error in handshake : X509 - Certificate verification failed, e.g. CRL, CA or signature check failed</code>.</li>

index.html

@@ -263,5 +263,5 @@ webSocket.send("hello world");
 
 <!--
 MkDocs version : 1.1
-Build Date UTC : 2020-04-05 00:50:29
+Build Date UTC : 2020-04-05 00:54:48
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search/search_index.json

@@ -1 +1 @@
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It has been tested on the following platforms. macOS iOS Linux Android Windows FreeBSD Example code // Required on Windows ix::initNetSystem(); // Our websocket object ix::WebSocket webSocket; std::string url(\"ws://localhost:8080/\"); webSocket.setUrl(url); // Setup a callback to be fired when a message or an event (open, close, error) is received webSocket.setOnMessageCallback([](const ix::WebSocketMessagePtr& msg) { if (msg->type == ix::WebSocketMessageType::Message) { std::cout << msg->str << std::endl; } } ); // Now that our callback is setup, we can start our background thread and receive messages webSocket.start(); // Send a message to the server (default to TEXT mode) webSocket.send(\"hello world\"); Why another library? There are 2 main reasons that explain why IXWebSocket got written. First, we needed a C++ cross-platform client library, which should have few dependencies. What looked like the most solid one, websocketpp did depend on boost and this was not an option for us. Secondly, there were other available libraries with fewer dependencies (C ones), but they required calling an explicit poll routine periodically to know if a client had received data from a server, which was not elegant. We started by solving those 2 problems, then we added server websocket code, then an HTTP client, and finally a very simple HTTP server. IXWebSocket comes with a command line utility named ws which is quite handy, and is now packaged with alpine linux. You can install it with apk add ws . Few dependencies (only zlib) Simple to use ; uses std::string and std::function callbacks. Complete support of the websocket protocol, and basic http support. Client and Server TLS support Alternative libraries There are plenty of great websocket libraries out there, which might work for you. Here are a couple of serious ones. websocketpp - C++ beast - C++ libwebsockets - C \u00b5WebSockets - C Contributing IXWebSocket is developed on GitHub . 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It has been tested on the following platforms. macOS iOS Linux Android Windows FreeBSD Example code // Required on Windows ix::initNetSystem(); // Our websocket object ix::WebSocket webSocket; std::string url(\"ws://localhost:8080/\"); webSocket.setUrl(url); // Setup a callback to be fired when a message or an event (open, close, error) is received webSocket.setOnMessageCallback([](const ix::WebSocketMessagePtr& msg) { if (msg->type == ix::WebSocketMessageType::Message) { std::cout << msg->str << std::endl; } } ); // Now that our callback is setup, we can start our background thread and receive messages webSocket.start(); // Send a message to the server (default to TEXT mode) webSocket.send(\"hello world\"); Why another library? There are 2 main reasons that explain why IXWebSocket got written. First, we needed a C++ cross-platform client library, which should have few dependencies. What looked like the most solid one, websocketpp did depend on boost and this was not an option for us. Secondly, there were other available libraries with fewer dependencies (C ones), but they required calling an explicit poll routine periodically to know if a client had received data from a server, which was not elegant. We started by solving those 2 problems, then we added server websocket code, then an HTTP client, and finally a very simple HTTP server. IXWebSocket comes with a command line utility named ws which is quite handy, and is now packaged with alpine linux. You can install it with apk add ws . Few dependencies (only zlib) Simple to use ; uses std::string and std::function callbacks. Complete support of the websocket protocol, and basic http support. Client and Server TLS support Alternative libraries There are plenty of great websocket libraries out there, which might work for you. Here are a couple of serious ones. websocketpp - C++ beast - C++ libwebsockets - C \u00b5WebSockets - C Contributing IXWebSocket is developed on GitHub . We'd love to hear about how you use it; opening up an issue on GitHub is ok for that. If things don't work as expected, please create an issue on GitHub, or even better a pull request if you know how to fix your problem.","title":"Home"},{"location":"#introduction","text":"WebSocket is a computer communications protocol, providing full-duplex and bi-directionnal communication channels over a single TCP connection. IXWebSocket is a C++ library for client and server Websocket communication, and for client and server HTTP communication. TLS aka SSL is supported. The code is derived from easywsclient and from the Satori C SDK . 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usage/index.html

@@ -511,6 +511,7 @@ server.wait();
 
 <h2 id="tls-support-and-configuration">TLS support and configuration</h2>
 <p>To leverage TLS features, the library must be compiled with the option <code>USE_TLS=1</code>.</p>
+<p>If you are using OpenSSL, try to be on a version higher than 1.1.x as there there are thread safety problems with 1.0.x.</p>
 <p>Then, secure sockets are automatically used when connecting to a <code>wss://*</code> url.</p>
 <p>Additional TLS options can be configured by passing a <code>ix::SocketTLSOptions</code> instance to the
 <code>setTLSOptions</code> on <code>ix::WebSocket</code> (or <code>ix::WebSocketServer</code> or <code>ix::HttpServer</code>)</p>