Squashed 'src/websocketpp/' content from commit 875d420

git-subtree-dir: src/websocketpp
git-subtree-split: 875d420952d2c47d38de15952a401f00773cdffc

tutorials/utility_client/step4.cpp

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+/*
+ * Copyright (c) 2014, 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.
+ */
+
+// **NOTE:** This file is a snapshot of the WebSocket++ utility client tutorial.
+// Additional related material can be found in the tutorials/utility_client
+// directory of the WebSocket++ repository.
+
+#include <websocketpp/config/asio_no_tls_client.hpp>
+#include <websocketpp/client.hpp>
+
+#include <websocketpp/common/thread.hpp>
+#include <websocketpp/common/memory.hpp>
+
+#include <cstdlib>
+#include <iostream>
+#include <map>
+#include <string>
+#include <sstream>
+
+typedef websocketpp::client<websocketpp::config::asio_client> client;
+
+class connection_metadata {
+public:
+    typedef websocketpp::lib::shared_ptr<connection_metadata> ptr;
+
+    connection_metadata(int id, websocketpp::connection_hdl hdl, std::string uri)
+      : m_id(id)
+      , m_hdl(hdl)
+      , m_status("Connecting")
+      , m_uri(uri)
+      , m_server("N/A")
+    {}
+
+    void on_open(client * c, websocketpp::connection_hdl hdl) {
+        m_status = "Open";
+
+        client::connection_ptr con = c->get_con_from_hdl(hdl);
+        m_server = con->get_response_header("Server");
+    }
+
+    void on_fail(client * c, websocketpp::connection_hdl hdl) {
+        m_status = "Failed";
+
+        client::connection_ptr con = c->get_con_from_hdl(hdl);
+        m_server = con->get_response_header("Server");
+        m_error_reason = con->get_ec().message();
+    }
+
+    friend std::ostream & operator<< (std::ostream & out, connection_metadata const & data);
+private:
+    int m_id;
+    websocketpp::connection_hdl m_hdl;
+    std::string m_status;
+    std::string m_uri;
+    std::string m_server;
+    std::string m_error_reason;
+};
+
+std::ostream & operator<< (std::ostream & out, connection_metadata const & data) {
+    out << "> URI: " << data.m_uri << "\n"
+        << "> Status: " << data.m_status << "\n"
+        << "> Remote Server: " << (data.m_server.empty() ? "None Specified" : data.m_server) << "\n"
+        << "> Error/close reason: " << (data.m_error_reason.empty() ? "N/A" : data.m_error_reason);
+
+    return out;
+}
+
+class websocket_endpoint {
+public:
+    websocket_endpoint () : m_next_id(0) {
+        m_endpoint.clear_access_channels(websocketpp::log::alevel::all);
+        m_endpoint.clear_error_channels(websocketpp::log::elevel::all);
+
+        m_endpoint.init_asio();
+        m_endpoint.start_perpetual();
+
+        m_thread = websocketpp::lib::make_shared<websocketpp::lib::thread>(&client::run, &m_endpoint);
+    }
+
+    int connect(std::string const & uri) {
+        websocketpp::lib::error_code ec;
+
+        client::connection_ptr con = m_endpoint.get_connection(uri, ec);
+
+        if (ec) {
+            std::cout << "> Connect initialization error: " << ec.message() << std::endl;
+            return -1;
+        }
+
+        int new_id = m_next_id++;
+        connection_metadata::ptr metadata_ptr = websocketpp::lib::make_shared<connection_metadata>(new_id, con->get_handle(), uri);
+        m_connection_list[new_id] = metadata_ptr;
+
+        con->set_open_handler(websocketpp::lib::bind(
+            &connection_metadata::on_open,
+            metadata_ptr,
+            &m_endpoint,
+            websocketpp::lib::placeholders::_1
+        ));
+        con->set_fail_handler(websocketpp::lib::bind(
+            &connection_metadata::on_fail,
+            metadata_ptr,
+            &m_endpoint,
+            websocketpp::lib::placeholders::_1
+        ));
+
+        m_endpoint.connect(con);
+
+        return new_id;
+    }
+
+    connection_metadata::ptr get_metadata(int id) const {
+        con_list::const_iterator metadata_it = m_connection_list.find(id);
+        if (metadata_it == m_connection_list.end()) {
+            return connection_metadata::ptr();
+        } else {
+            return metadata_it->second;
+        }
+    }
+private:
+    typedef std::map<int,connection_metadata::ptr> con_list;
+
+    client m_endpoint;
+    websocketpp::lib::shared_ptr<websocketpp::lib::thread> m_thread;
+
+    con_list m_connection_list;
+    int m_next_id;
+};
+
+int main() {
+    bool done = false;
+    std::string input;
+    websocket_endpoint endpoint;
+
+    while (!done) {
+        std::cout << "Enter Command: ";
+        std::getline(std::cin, input);
+
+        if (input == "quit") {
+            done = true;
+        } else if (input == "help") {
+            std::cout
+                << "\nCommand List:\n"
+                << "connect <ws uri>\n"
+                << "show <connection id>\n"
+                << "help: Display this help text\n"
+                << "quit: Exit the program\n"
+                << std::endl;
+        } else if (input.substr(0,7) == "connect") {
+            int id = endpoint.connect(input.substr(8));
+            if (id != -1) {
+                std::cout << "> Created connection with id " << id << std::endl;
+            }
+        } else if (input.substr(0,4) == "show") {
+            int id = atoi(input.substr(5).c_str());
+
+            connection_metadata::ptr metadata = endpoint.get_metadata(id);
+            if (metadata) {
+                std::cout << *metadata << std::endl;
+            } else {
+                std::cout << "> Unknown connection id " << id << std::endl;
+            }
+        } else {
+            std::cout << "> Unrecognized Command" << std::endl;
+        }
+    }
+
+    return 0;
+}
+
+/*
+
+clang++ -std=c++11 -stdlib=libc++ -I/Users/zaphoyd/software/websocketpp/ -I/Users/zaphoyd/software/boost_1_55_0/ -D_WEBSOCKETPP_CPP11_STL_ step4.cpp /Users/zaphoyd/software/boost_1_55_0/stage/lib/libboost_system.a
+
+clang++ -I/Users/zaphoyd/software/websocketpp/ -I/Users/zaphoyd/software/boost_1_55_0/ step4.cpp /Users/zaphoyd/software/boost_1_55_0/stage/lib/libboost_system.a /Users/zaphoyd/software/boost_1_55_0/stage/lib/libboost_thread.a /Users/zaphoyd/software/boost_1_55_0/stage/lib/libboost_random.a
+
+clang++ -std=c++11 -stdlib=libc++ -I/Users/zaphoyd/Documents/websocketpp/ -I/Users/zaphoyd/Documents/boost_1_53_0_libcpp/ -D_WEBSOCKETPP_CPP11_STL_ step4.cpp /Users/zaphoyd/Documents/boost_1_53_0_libcpp/stage/lib/libboost_system.a
+
+*/