Add 'src/beast/' from commit '2f9a8440c2432d8a196571d6300404cb76314125'

git-subtree-dir: src/beast
git-subtree-mainline: 7c90b9ef88
git-subtree-split: 2f9a8440c2

src/beast/examples/websocket_example.cpp

@@ -0,0 +1,35 @@
+//
+// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <beast/core/to_string.hpp>
+#include <beast/websocket.hpp>
+#include <boost/asio.hpp>
+#include <iostream>
+#include <string>
+
+int main()
+{
+    // Normal boost::asio setup
+    std::string const host = "echo.websocket.org";
+    boost::asio::io_service ios;
+    boost::asio::ip::tcp::resolver r{ios};
+    boost::asio::ip::tcp::socket sock{ios};
+    boost::asio::connect(sock,
+        r.resolve(boost::asio::ip::tcp::resolver::query{host, "80"}));
+
+    // WebSocket connect and send message using beast
+    beast::websocket::stream<boost::asio::ip::tcp::socket&> ws{sock};
+    ws.handshake(host, "/");
+    ws.write(boost::asio::buffer("Hello, world!"));
+
+    // Receive WebSocket message, print and close using beast
+    beast::streambuf sb;
+    beast::websocket::opcode op;
+    ws.read(op, sb);
+    ws.close(beast::websocket::close_code::normal);
+    std::cout << to_string(sb.data()) << "\n";
+}