fixed adding file problem
[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / websocketpp-0.7.0 / examples / external_io_service / tcp_echo_server.hpp
diff --git a/gdax-orderbook-hpp/demo/dependencies/websocketpp-0.7.0/examples/external_io_service/tcp_echo_server.hpp b/gdax-orderbook-hpp/demo/dependencies/websocketpp-0.7.0/examples/external_io_service/tcp_echo_server.hpp
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+/*
+ * Copyright (c) 2015, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * TCP Echo Server
+ *
+ * This file defines a simple TCP Echo Server. It is adapted from the Asio
+ * example: cpp03/echo/async_tcp_echo_server.cpp
+ */ 
+
+#include <websocketpp/common/asio.hpp>
+#include <websocketpp/common/memory.hpp>
+#include <websocketpp/common/functional.hpp>
+
+using websocketpp::lib::placeholders::_1;
+using websocketpp::lib::placeholders::_2;
+using websocketpp::lib::bind;
+
+namespace asio = websocketpp::lib::asio;
+
+struct tcp_echo_session : websocketpp::lib::enable_shared_from_this<tcp_echo_session> {
+    typedef websocketpp::lib::shared_ptr<tcp_echo_session> ptr;
+    
+    tcp_echo_session(asio::io_service & service) : m_socket(service) {}
+
+    void start() {
+        m_socket.async_read_some(asio::buffer(m_buffer, sizeof(m_buffer)),
+            websocketpp::lib::bind(
+                &tcp_echo_session::handle_read, shared_from_this(), _1, _2));
+    }
+    
+    void handle_read(const asio::error_code & ec, size_t transferred) {
+        if (!ec) {
+            asio::async_write(m_socket,
+                asio::buffer(m_buffer, transferred),
+                    bind(&tcp_echo_session::handle_write, shared_from_this(), _1));
+        }
+    }
+    
+    void handle_write(const asio::error_code & ec) {
+        if (!ec) {
+            m_socket.async_read_some(asio::buffer(m_buffer, sizeof(m_buffer)),
+                bind(&tcp_echo_session::handle_read, shared_from_this(), _1, _2));
+        }
+    }
+
+    asio::ip::tcp::socket m_socket;
+    char m_buffer[1024];
+};
+
+struct tcp_echo_server {
+    tcp_echo_server(asio::io_service & service, short port)
+        : m_service(service)
+        , m_acceptor(service, asio::ip::tcp::endpoint(asio::ip::tcp::v6(), port))
+    {
+        this->start_accept();
+    }
+    
+    void start_accept() {
+        tcp_echo_session::ptr new_session(new tcp_echo_session(m_service));
+        m_acceptor.async_accept(new_session->m_socket,
+            bind(&tcp_echo_server::handle_accept, this, new_session, _1));
+    }
+    
+    void handle_accept(tcp_echo_session::ptr new_session, const asio::error_code & ec) {
+        if (!ec) {
+            new_session->start();
+        }
+        start_accept();
+    }
+
+    asio::io_service & m_service;
+    asio::ip::tcp::acceptor m_acceptor;
+};