websocketpp  0.5.1
C++/Boost Asio based websocket client/server library
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client_endpoint.hpp
1 /*
2  * Copyright (c) 2014, Peter Thorson. All rights reserved.
3  *
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.
14  *
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;
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24  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  */
27 
28 #ifndef WEBSOCKETPP_CLIENT_ENDPOINT_HPP
29 #define WEBSOCKETPP_CLIENT_ENDPOINT_HPP
30 
31 #include <websocketpp/endpoint.hpp>
32 
33 #include <websocketpp/logger/levels.hpp>
34 
35 #include <websocketpp/common/system_error.hpp>
36 
37 #include <string>
38 
39 namespace websocketpp {
40 
42 
45 template <typename config>
46 class client : public endpoint<connection<config>,config> {
47 public:
50 
52  typedef typename config::concurrency_type concurrency_type;
54  typedef typename config::transport_type transport_type;
55 
60 
62  typedef typename transport_type::transport_con_type transport_con_type;
64  typedef typename transport_con_type::ptr transport_con_ptr;
65 
68 
69  explicit client() : endpoint_type(false)
70  {
71  endpoint_type::m_alog.write(log::alevel::devel, "client constructor");
72  }
73 
75 
86  connection_ptr get_connection(uri_ptr location, lib::error_code & ec) {
87  if (location->get_secure() && !transport_type::is_secure()) {
88  ec = error::make_error_code(error::endpoint_not_secure);
89  return connection_ptr();
90  }
91 
92  connection_ptr con = endpoint_type::create_connection();
93 
94  if (!con) {
95  ec = error::make_error_code(error::con_creation_failed);
96  return con;
97  }
98 
99  con->set_uri(location);
100 
101  ec = lib::error_code();
102  return con;
103  }
104 
106 
116  connection_ptr get_connection(std::string const & u, lib::error_code & ec) {
117  uri_ptr location = lib::make_shared<uri>(u);
118 
119  if (!location->get_valid()) {
120  ec = error::make_error_code(error::invalid_uri);
121  return connection_ptr();
122  }
123 
124  return get_connection(location, ec);
125  }
126 
128 
136  connection_ptr connect(connection_ptr con) {
137  // Ask transport to perform a connection
138  transport_type::async_connect(
139  lib::static_pointer_cast<transport_con_type>(con),
140  con->get_uri(),
141  lib::bind(
142  &type::handle_connect,
143  this,
144  con,
145  lib::placeholders::_1
146  )
147  );
148 
149  return con;
150  }
151 private:
152  // handle_connect
153  void handle_connect(connection_ptr con, lib::error_code const & ec) {
154  if (ec) {
155  con->terminate(ec);
156 
157  endpoint_type::m_elog.write(log::elevel::rerror,
158  "handle_connect error: "+ec.message());
159  } else {
160  endpoint_type::m_alog.write(log::alevel::connect,
161  "Successful connection");
162 
163  con->start();
164  }
165  }
166 };
167 
168 } // namespace websocketpp
169 
170 #endif //WEBSOCKETPP_CLIENT_ENDPOINT_HPP
connection_type::ptr connection_ptr
Type of a shared pointer to the connections this server will create.
connection_ptr get_connection(std::string const &u, lib::error_code &ec)
Get a new connection (string version)
endpoint< connection_type, config > endpoint_type
Type of the endpoint component of this server.
Represents an individual WebSocket connection.
Definition: connection.hpp:221
Client endpoint role based on the given config.
connection_ptr connect(connection_ptr con)
Begin the connection process for the given connection.
transport_con_type::ptr transport_con_ptr
Type of a shared pointer to the connection transport component.
static level const devel
Development messages (warning: very chatty)
Definition: levels.hpp:141
transport_type::transport_con_type transport_con_type
Type of the connection transport component.
client< config > type
Type of this endpoint.
Namespace for the WebSocket++ project.
Definition: base64.hpp:41
config::concurrency_type concurrency_type
Type of the endpoint concurrency component.
Creates and manages connections associated with a WebSocket endpoint.
Definition: endpoint.hpp:42
lib::shared_ptr< uri > uri_ptr
Pointer to a URI.
Definition: uri.hpp:350
lib::shared_ptr< type > ptr
Type of a shared pointer to this connection.
Definition: connection.hpp:229
Attempted to open a secure connection with an insecure endpoint.
Definition: error.hpp:57
connection< config > connection_type
Type of the connections this server will create.
config::transport_type transport_type
Type of the endpoint transport component.
connection_ptr get_connection(uri_ptr location, lib::error_code &ec)
Get a new connection.
static level const rerror
Definition: levels.hpp:75
An invalid uri was supplied.
Definition: error.hpp:65
static level const connect
Information about new connections.
Definition: levels.hpp:121
Connection creation attempted failed.
Definition: error.hpp:99