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Diffstat (limited to 'websocketpp/roles/client_endpoint.hpp')
| -rw-r--r-- | websocketpp/roles/client_endpoint.hpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/websocketpp/roles/client_endpoint.hpp b/websocketpp/roles/client_endpoint.hpp new file mode 100644 index 00000000..2de1a10a --- /dev/null +++ b/websocketpp/roles/client_endpoint.hpp @@ -0,0 +1,173 @@ +/* + * 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. + * + */ + +#ifndef WEBSOCKETPP_CLIENT_ENDPOINT_HPP +#define WEBSOCKETPP_CLIENT_ENDPOINT_HPP + +#include <websocketpp/endpoint.hpp> +#include <websocketpp/uri.hpp> + +#include <websocketpp/logger/levels.hpp> + +#include <websocketpp/common/system_error.hpp> + +#include <string> + +namespace websocketpp { + +/// Client endpoint role based on the given config +/** + * + */ +template <typename config> +class client : public endpoint<connection<config>,config> { +public: + /// Type of this endpoint + typedef client<config> type; + + /// Type of the endpoint concurrency component + typedef typename config::concurrency_type concurrency_type; + /// Type of the endpoint transport component + typedef typename config::transport_type transport_type; + + /// Type of the connections this server will create + typedef connection<config> connection_type; + /// Type of a shared pointer to the connections this server will create + typedef typename connection_type::ptr connection_ptr; + + /// Type of the connection transport component + typedef typename transport_type::transport_con_type transport_con_type; + /// Type of a shared pointer to the connection transport component + typedef typename transport_con_type::ptr transport_con_ptr; + + /// Type of the endpoint component of this server + typedef endpoint<connection_type,config> endpoint_type; + + friend class connection<config>; + + explicit client() : endpoint_type(false) + { + endpoint_type::m_alog.write(log::alevel::devel, "client constructor"); + } + + /// Get a new connection + /** + * Creates and returns a pointer to a new connection to the given URI + * suitable for passing to connect(connection_ptr). This method allows + * applying connection specific settings before performing the opening + * handshake. + * + * @param [in] location URI to open the connection to as a uri_ptr + * @param [out] ec An status code indicating failure reasons, if any + * + * @return A connection_ptr to the new connection + */ + connection_ptr get_connection(uri_ptr location, lib::error_code & ec) { + if (location->get_secure() && !transport_type::is_secure()) { + ec = error::make_error_code(error::endpoint_not_secure); + return connection_ptr(); + } + + connection_ptr con = endpoint_type::create_connection(); + + if (!con) { + ec = error::make_error_code(error::con_creation_failed); + return con; + } + + con->set_uri(location); + + ec = lib::error_code(); + return con; + } + + /// Get a new connection (string version) + /** + * Creates and returns a pointer to a new connection to the given URI + * suitable for passing to connect(connection_ptr). This overload allows + * default construction of the uri_ptr from a standard string. + * + * @param [in] u URI to open the connection to as a string + * @param [out] ec An status code indicating failure reasons, if any + * + * @return A connection_ptr to the new connection + */ + connection_ptr get_connection(std::string const & u, lib::error_code & ec) { + uri_ptr location = lib::make_shared<uri>(u); + + if (!location->get_valid()) { + ec = error::make_error_code(error::invalid_uri); + return connection_ptr(); + } + + return get_connection(location, ec); + } + + /// Begin the connection process for the given connection + /** + * Initiates the opening connection handshake for connection con. Exact + * behavior depends on the underlying transport policy. + * + * @param con The connection to connect + * + * @return The pointer to the connection originally passed in. + */ + connection_ptr connect(connection_ptr con) { + // Ask transport to perform a connection + transport_type::async_connect( + lib::static_pointer_cast<transport_con_type>(con), + con->get_uri(), + lib::bind( + &type::handle_connect, + this, + con, + lib::placeholders::_1 + ) + ); + + return con; + } +private: + // handle_connect + void handle_connect(connection_ptr con, lib::error_code const & ec) { + if (ec) { + con->terminate(ec); + + endpoint_type::m_elog.write(log::elevel::rerror, + "handle_connect error: "+ec.message()); + } else { + endpoint_type::m_alog.write(log::alevel::connect, + "Successful connection"); + + con->start(); + } + } +}; + +} // namespace websocketpp + +#endif //WEBSOCKETPP_CLIENT_ENDPOINT_HPP |