2 * Copyright (c) 2014, Peter Thorson. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of the WebSocket++ Project nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 // **NOTE:** This file is a snapshot of the WebSocket++ utility client tutorial.
28 // Additional related material can be found in the tutorials/utility_client
29 // directory of the WebSocket++ repository.
31 #include <websocketpp/config/asio_no_tls_client.hpp>
32 #include <websocketpp/client.hpp>
34 #include <websocketpp/common/thread.hpp>
35 #include <websocketpp/common/memory.hpp>
43 typedef websocketpp::client<websocketpp::config::asio_client> client;
45 class connection_metadata {
47 typedef websocketpp::lib::shared_ptr<connection_metadata> ptr;
49 connection_metadata(int id, websocketpp::connection_hdl hdl, std::string uri)
52 , m_status("Connecting")
57 void on_open(client * c, websocketpp::connection_hdl hdl) {
60 client::connection_ptr con = c->get_con_from_hdl(hdl);
61 m_server = con->get_response_header("Server");
64 void on_fail(client * c, websocketpp::connection_hdl hdl) {
67 client::connection_ptr con = c->get_con_from_hdl(hdl);
68 m_server = con->get_response_header("Server");
69 m_error_reason = con->get_ec().message();
72 void on_close(client * c, websocketpp::connection_hdl hdl) {
74 client::connection_ptr con = c->get_con_from_hdl(hdl);
76 s << "close code: " << con->get_remote_close_code() << " ("
77 << websocketpp::close::status::get_string(con->get_remote_close_code())
78 << "), close reason: " << con->get_remote_close_reason();
79 m_error_reason = s.str();
82 void on_message(websocketpp::connection_hdl, client::message_ptr msg) {
83 if (msg->get_opcode() == websocketpp::frame::opcode::text) {
84 m_messages.push_back("<< " + msg->get_payload());
86 m_messages.push_back("<< " + websocketpp::utility::to_hex(msg->get_payload()));
90 websocketpp::connection_hdl get_hdl() const {
98 std::string get_status() const {
102 void record_sent_message(std::string message) {
103 m_messages.push_back(">> " + message);
106 friend std::ostream & operator<< (std::ostream & out, connection_metadata const & data);
109 websocketpp::connection_hdl m_hdl;
110 std::string m_status;
112 std::string m_server;
113 std::string m_error_reason;
114 std::vector<std::string> m_messages;
117 std::ostream & operator<< (std::ostream & out, connection_metadata const & data) {
118 out << "> URI: " << data.m_uri << "\n"
119 << "> Status: " << data.m_status << "\n"
120 << "> Remote Server: " << (data.m_server.empty() ? "None Specified" : data.m_server) << "\n"
121 << "> Error/close reason: " << (data.m_error_reason.empty() ? "N/A" : data.m_error_reason) << "\n";
122 out << "> Messages Processed: (" << data.m_messages.size() << ") \n";
124 std::vector<std::string>::const_iterator it;
125 for (it = data.m_messages.begin(); it != data.m_messages.end(); ++it) {
132 class websocket_endpoint {
134 websocket_endpoint () : m_next_id(0) {
135 m_endpoint.clear_access_channels(websocketpp::log::alevel::all);
136 m_endpoint.clear_error_channels(websocketpp::log::elevel::all);
138 m_endpoint.init_asio();
139 m_endpoint.start_perpetual();
141 m_thread = websocketpp::lib::make_shared<websocketpp::lib::thread>(&client::run, &m_endpoint);
144 ~websocket_endpoint() {
145 m_endpoint.stop_perpetual();
147 for (con_list::const_iterator it = m_connection_list.begin(); it != m_connection_list.end(); ++it) {
148 if (it->second->get_status() != "Open") {
149 // Only close open connections
153 std::cout << "> Closing connection " << it->second->get_id() << std::endl;
155 websocketpp::lib::error_code ec;
156 m_endpoint.close(it->second->get_hdl(), websocketpp::close::status::going_away, "", ec);
158 std::cout << "> Error closing connection " << it->second->get_id() << ": "
159 << ec.message() << std::endl;
166 int connect(std::string const & uri) {
167 websocketpp::lib::error_code ec;
169 client::connection_ptr con = m_endpoint.get_connection(uri, ec);
172 std::cout << "> Connect initialization error: " << ec.message() << std::endl;
176 int new_id = m_next_id++;
177 connection_metadata::ptr metadata_ptr = websocketpp::lib::make_shared<connection_metadata>(new_id, con->get_handle(), uri);
178 m_connection_list[new_id] = metadata_ptr;
180 con->set_open_handler(websocketpp::lib::bind(
181 &connection_metadata::on_open,
184 websocketpp::lib::placeholders::_1
186 con->set_fail_handler(websocketpp::lib::bind(
187 &connection_metadata::on_fail,
190 websocketpp::lib::placeholders::_1
192 con->set_close_handler(websocketpp::lib::bind(
193 &connection_metadata::on_close,
196 websocketpp::lib::placeholders::_1
198 con->set_message_handler(websocketpp::lib::bind(
199 &connection_metadata::on_message,
201 websocketpp::lib::placeholders::_1,
202 websocketpp::lib::placeholders::_2
205 m_endpoint.connect(con);
210 void close(int id, websocketpp::close::status::value code, std::string reason) {
211 websocketpp::lib::error_code ec;
213 con_list::iterator metadata_it = m_connection_list.find(id);
214 if (metadata_it == m_connection_list.end()) {
215 std::cout << "> No connection found with id " << id << std::endl;
219 m_endpoint.close(metadata_it->second->get_hdl(), code, reason, ec);
221 std::cout << "> Error initiating close: " << ec.message() << std::endl;
225 void send(int id, std::string message) {
226 websocketpp::lib::error_code ec;
228 con_list::iterator metadata_it = m_connection_list.find(id);
229 if (metadata_it == m_connection_list.end()) {
230 std::cout << "> No connection found with id " << id << std::endl;
234 m_endpoint.send(metadata_it->second->get_hdl(), message, websocketpp::frame::opcode::text, ec);
236 std::cout << "> Error sending message: " << ec.message() << std::endl;
240 metadata_it->second->record_sent_message(message);
243 connection_metadata::ptr get_metadata(int id) const {
244 con_list::const_iterator metadata_it = m_connection_list.find(id);
245 if (metadata_it == m_connection_list.end()) {
246 return connection_metadata::ptr();
248 return metadata_it->second;
252 typedef std::map<int,connection_metadata::ptr> con_list;
255 websocketpp::lib::shared_ptr<websocketpp::lib::thread> m_thread;
257 con_list m_connection_list;
264 websocket_endpoint endpoint;
267 std::cout << "Enter Command: ";
268 std::getline(std::cin, input);
270 if (input == "quit") {
272 } else if (input == "help") {
274 << "\nCommand List:\n"
275 << "connect <ws uri>\n"
276 << "send <connection id> <message>\n"
277 << "close <connection id> [<close code:default=1000>] [<close reason>]\n"
278 << "show <connection id>\n"
279 << "help: Display this help text\n"
280 << "quit: Exit the program\n"
282 } else if (input.substr(0,7) == "connect") {
283 int id = endpoint.connect(input.substr(8));
285 std::cout << "> Created connection with id " << id << std::endl;
287 } else if (input.substr(0,4) == "send") {
288 std::stringstream ss(input);
295 std::getline(ss,message);
297 endpoint.send(id, message);
298 } else if (input.substr(0,5) == "close") {
299 std::stringstream ss(input);
303 int close_code = websocketpp::close::status::normal;
306 ss >> cmd >> id >> close_code;
307 std::getline(ss,reason);
309 endpoint.close(id, close_code, reason);
310 } else if (input.substr(0,4) == "show") {
311 int id = atoi(input.substr(5).c_str());
313 connection_metadata::ptr metadata = endpoint.get_metadata(id);
315 std::cout << *metadata << std::endl;
317 std::cout << "> Unknown connection id " << id << std::endl;
320 std::cout << "> Unrecognized Command" << std::endl;