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https://github.com/XRPLF/rippled.git
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284 lines
9.2 KiB
C++
284 lines
9.2 KiB
C++
/*
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* Copyright (c) 2012, Peter Thorson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef WEBSOCKETPP_ENDPOINT_HPP
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#define WEBSOCKETPP_ENDPOINT_HPP
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#include <websocketpp/connection.hpp>
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#include <iostream>
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#include <set>
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namespace websocketpp {
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static const char user_agent[] = "WebSocket++/0.3.0dev";
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// creates and manages connections
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template <typename connection, typename config>
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class endpoint : public config::transport_type {
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public:
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// Import appropriate types from our helper class
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// See endpoint_types for more details.
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typedef endpoint<connection,config> type;
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/// Type of the transport component of this endpoint
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typedef typename config::transport_type transport_type;
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/// Type of the concurrency component of this endpoint
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typedef typename config::concurrency_type concurrency_type;
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/// Type of the connections that this endpoint creates
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typedef connection connection_type;
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/// Shared pointer to connection_type
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typedef typename connection_type::ptr connection_ptr;
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/// Weak pointer to connection type
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typedef typename connection_type::weak_ptr connection_weak_ptr;
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/// Type of the transport component of the connections that this endpoint
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/// creates
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typedef typename transport_type::transport_con_type transport_con_type;
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/// Type of a shared pointer to the transport component of the connections
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/// that this endpoint creates.
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typedef typename transport_con_type::ptr transport_con_ptr;
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/// Type of message_handler
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typedef typename connection_type::message_handler message_handler;
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/// Type of message pointers that this endpoint uses
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typedef typename connection_type::message_ptr message_ptr;
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// TODO: organize these
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typedef typename connection_type::termination_handler termination_handler;
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typedef lib::shared_ptr<connection_weak_ptr> hdl_type;
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explicit endpoint(bool is_server)
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: m_user_agent(::websocketpp::user_agent)
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, m_is_server(is_server)
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{
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std::cout << "endpoint constructor" << std::endl;
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}
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/// Returns the user agent string that this endpoint will use
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/**
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* Returns the user agent string that this endpoint will use when creating
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* new connections.
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*
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* The default value for this version is WebSocket++/0.3.0dev
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*
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* @return The user agent string.
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*/
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std::string get_user_agent() const {
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scoped_lock_type guard(m_mutex);
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return m_user_agent;
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}
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/// Sets the user agent string that this endpoint will use
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/**
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* Sets the user agent string that this endpoint will use when creating
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* new connections. Changing this value will only affect future connections.
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*
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* For best results set this before accepting or opening connections.
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*
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* The default value for this version is WebSocket++/0.3.0dev
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*
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* @param ua The string to set the user agent to.
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*/
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void set_user_agent(const std::string& ua) {
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scoped_lock_type guard(m_mutex);
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m_user_agent = ua;
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}
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/// Returns whether or not this endpoint is a server.
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/**
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* @return Whether or not this endpoint is a server
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*/
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bool is_server() const {
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return m_is_server;
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}
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/*************************/
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/* Set Handler functions */
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/*************************/
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void set_open_handler(open_handler h) {
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scoped_lock_type guard(m_mutex);
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m_open_handler = h;
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}
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void set_close_handler(close_handler h) {
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scoped_lock_type guard(m_mutex);
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m_close_handler = h;
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}
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void set_fail_handler(fail_handler h) {
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scoped_lock_type guard(m_mutex);
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m_fail_handler = h;
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}
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void set_ping_handler(ping_handler h) {
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scoped_lock_type guard(m_mutex);
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m_ping_handler = h;
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}
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void set_pong_handler(pong_handler h) {
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scoped_lock_type guard(m_mutex);
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m_pong_handler = h;
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}
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void set_pong_timeout_handler(pong_timeout_handler h) {
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scoped_lock_type guard(m_mutex);
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m_pong_timeout_handler = h;
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}
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void set_interrupt_handler(interrupt_handler h) {
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scoped_lock_type guard(m_mutex);
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m_interrupt_handler = h;
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}
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void set_http_handler(http_handler h) {
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scoped_lock_type guard(m_mutex);
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m_http_handler = h;
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}
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void set_validate_handler(validate_handler h) {
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scoped_lock_type guard(m_mutex);
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m_validate_handler = h;
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}
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void set_message_handler(message_handler h) {
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scoped_lock_type guard(m_mutex);
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m_message_handler = h;
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}
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/*************************************/
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/* Connection pass through functions */
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/*************************************/
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/**
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* Is thread safe if transport is
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*/
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void interrupt(connection_hdl hdl, lib::error_code & ec) {
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connection_ptr con = get_con_from_hdl(hdl);
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if (!con) {
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ec = error::make_error_code(error::bad_connection);
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return;
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}
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std::cout << "Interrupting connection " << con.get() << std::endl;
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ec = con->interrupt();
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}
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/**
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* Is thread safe if transport is
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*/
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void interrupt(connection_hdl hdl) {
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lib::error_code ec;
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interrupt(hdl,ec);
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if (ec) { throw ec; }
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}
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void send(connection_hdl hdl, const std::string& payload,
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frame::opcode::value op, lib::error_code & ec)
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{
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connection_ptr con = get_con_from_hdl(hdl);
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if (!con) {
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ec = error::make_error_code(error::bad_connection);
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return;
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}
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ec = con->send(payload,op);
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}
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void send(connection_hdl hdl, const std::string& payload,
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frame::opcode::value op)
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{
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lib::error_code ec;
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send(hdl,payload,op,ec);
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if (ec) { throw ec; }
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}
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void send(connection_hdl hdl, message_ptr msg, lib::error_code & ec) {
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connection_ptr con = get_con_from_hdl(hdl);
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if (!con) {
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ec = error::make_error_code(error::bad_connection);
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return;
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}
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ec = con->send(msg);
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}
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void send(connection_hdl hdl, message_ptr msg) {
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lib::error_code ec;
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send(hdl,msg,ec);
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if (ec) { throw ec; }
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}
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protected:
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// Import appropriate internal types from our policy classes
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typedef typename concurrency_type::scoped_lock_type scoped_lock_type;
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typedef typename concurrency_type::mutex_type mutex_type;
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connection_ptr create_connection();
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void remove_connection(connection_ptr con);
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/// Retrieves a connection_ptr from a connection_hdl
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/**
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* Converting a weak pointer to shared_ptr is not thread safe because the
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* pointer could be deleted at any time.
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*
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* @param hdl The connection handle to translate
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*
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* @return the connection_ptr. May be NULL if the handle was invalid.
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*/
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connection_ptr get_con_from_hdl(connection_hdl hdl) {
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scoped_lock_type lock(m_mutex);
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connection_ptr con = lib::static_pointer_cast<connection_type,void>(
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hdl.lock());
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return con;
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}
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private:
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// dynamic settings
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std::string m_user_agent;
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open_handler m_open_handler;
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close_handler m_close_handler;
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fail_handler m_fail_handler;
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ping_handler m_ping_handler;
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pong_handler m_pong_handler;
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pong_timeout_handler m_pong_timeout_handler;
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interrupt_handler m_interrupt_handler;
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http_handler m_http_handler;
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validate_handler m_validate_handler;
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message_handler m_message_handler;
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// endpoint resources
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std::set<connection_ptr> m_connections;
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// static settings
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const bool m_is_server;
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// endpoint state
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mutex_type m_mutex;
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};
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} // namespace websocketpp
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#include <websocketpp/impl/endpoint_impl.hpp>
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#endif // WEBSOCKETPP_ENDPOINT_HPP
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