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/websocket_echo.cpp

@@ -0,0 +1,56 @@
+//
+// 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 "websocket_async_echo_server.hpp"
+#include "websocket_sync_echo_server.hpp"
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/signal_set.hpp>
+#include <iostream>
+
+/// Block until SIGINT or SIGTERM is received.
+void
+sig_wait()
+{
+    boost::asio::io_service ios;
+    boost::asio::signal_set signals(
+        ios, SIGINT, SIGTERM);
+    signals.async_wait(
+        [&](boost::system::error_code const&, int)
+        {
+        });
+    ios.run();
+}
+
+int main()
+{
+    using namespace beast::websocket;
+    using endpoint_type = boost::asio::ip::tcp::endpoint;
+    using address_type = boost::asio::ip::address;
+
+    beast::error_code ec;
+
+    permessage_deflate pmd;
+    pmd.client_enable = true;
+    pmd.server_enable = true;
+    pmd.compLevel = 3;
+
+    websocket::async_echo_server s1{&std::cout, 1};
+    s1.set_option(read_message_max{64 * 1024 * 1024});
+    s1.set_option(auto_fragment{false});
+    s1.set_option(pmd);
+    s1.open(endpoint_type{
+        address_type::from_string("127.0.0.1"), 6000 }, ec);
+
+    websocket::sync_echo_server s2{&std::cout};
+    s2.set_option(read_message_max{64 * 1024 * 1024});
+    s2.set_option(auto_fragment{false});
+    s2.set_option(pmd);
+    s2.open(endpoint_type{
+        address_type::from_string("127.0.0.1"), 6001 }, ec);
+
+    sig_wait();
+}