Squashed 'src/beast/' changes from 1b9a714..6d5547a

6d5547a Set version to 1.0.0-b34
6fab138 Fix and tidy up CMake build scripts:
ccefa54 Set version to 1.0.0-b33
32afe41 Set internal state correctly when writing frames:
fe3e20b Add write_frames unit test
578dcd0 Add decorator unit test
aaa3733 Use fwrite return value in file_body
df66165 Require Visual Studio 2015 Update 3 or later
b8e5a21 Set version to 1.0.0-b32
ffb1758 Update CMake scripts for finding packages:
b893749 Remove http Writer suspend and resume feature (API Change):
27864fb Add io_service completion invariants tests
eba05a7 Set version to 1.0.0-b31
484bcef Fix badge markdown in README.md
5663bea Add missing dynabuf_readstream member
0d7a551 Tidy up build settings
0fd4030 Move the handler, don't copy it

git-subtree-dir: src/beast
git-subtree-split: 6d5547a32c50ec95832c4779311502555ab0ee1f

examples/ssl/websocket_ssl_example.cpp

@@ -0,0 +1,49 @@
+//
+// Copyright (c) 2013-2017 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 <beast/websocket/ssl.hpp>
+#include <boost/asio.hpp>
+#include <boost/asio/ssl.hpp>
+#include <iostream>
+#include <string>
+
+int main()
+{
+    using boost::asio::connect;
+    using socket = boost::asio::ip::tcp::socket;
+    using resolver = boost::asio::ip::tcp::resolver;
+    using io_service = boost::asio::io_service;
+    namespace ssl = boost::asio::ssl;
+
+    // Normal boost::asio setup
+    std::string const host = "echo.websocket.org";
+    io_service ios;
+    resolver r{ios};
+    socket sock{ios};
+    connect(sock, r.resolve(resolver::query{host, "https"}));
+
+    // Perform SSL handshaking
+    using stream_type = ssl::stream<socket&>;
+    ssl::context ctx{ssl::context::sslv23};
+    stream_type stream{sock, ctx};
+    stream.set_verify_mode(ssl::verify_none);
+    stream.handshake(ssl::stream_base::client);
+
+    // Secure WebSocket connect and send message using Beast
+    beast::websocket::stream<stream_type&> ws{stream};
+    ws.handshake(host, "/");
+    ws.write(boost::asio::buffer("Hello, world!"));
+
+    // Receive Secure 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";
+}