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132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2019 Winlin
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SRS_APP_CONN_HPP
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#define SRS_APP_CONN_HPP
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#include <srs_core.hpp>
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#include <string>
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#include <srs_app_st.hpp>
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#include <srs_app_thread.hpp>
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#include <srs_protocol_kbps.hpp>
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#include <srs_app_reload.hpp>
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#include <srs_service_conn.hpp>
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class SrsWallClock;
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/**
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* the basic connection of SRS,
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* all connections accept from listener must extends from this base class,
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* server will add the connection to manager, and delete it when remove.
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*/
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class SrsConnection : virtual public ISrsConnection, virtual public ISrsCoroutineHandler
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, virtual public ISrsKbpsDelta, virtual public ISrsReloadHandler
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{
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protected:
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/**
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* each connection start a green thread,
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* when thread stop, the connection will be delete by server.
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*/
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SrsCoroutine* trd;
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/**
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* the manager object to manage the connection.
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*/
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IConnectionManager* manager;
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/**
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* the underlayer st fd handler.
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*/
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srs_netfd_t stfd;
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/**
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* the ip of client.
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*/
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std::string ip;
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/**
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* the underlayer socket.
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*/
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SrsStSocket* skt;
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/**
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* connection total kbps.
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* not only the rtmp or http connection, all type of connection are
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* need to statistic the kbps of io.
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* the SrsStatistic will use it indirectly to statistic the bytes delta of current connection.
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*/
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SrsKbps* kbps;
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SrsWallClock* clk;
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/**
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* the create time in milliseconds.
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* for current connection to log self create time and calculate the living time.
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*/
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int64_t create_time;
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public:
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SrsConnection(IConnectionManager* cm, srs_netfd_t c, std::string cip);
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virtual ~SrsConnection();
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// interface ISrsKbpsDelta
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public:
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virtual void remark(int64_t* in, int64_t* out);
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public:
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/**
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* to dipose the connection.
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*/
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virtual void dispose();
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/**
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* start the client green thread.
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* when server get a client from listener,
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* 1. server will create an concrete connection(for instance, RTMP connection),
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* 2. then add connection to its connection manager,
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* 3. start the client thread by invoke this start()
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* when client cycle thread stop, invoke the on_thread_stop(), which will use server
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* to remove the client by server->remove(this).
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*/
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virtual srs_error_t start();
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// Set socket option TCP_NODELAY.
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virtual srs_error_t set_tcp_nodelay(bool v);
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// Set socket option SO_SNDBUF in ms.
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virtual srs_error_t set_socket_buffer(srs_utime_t buffer_v);
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// interface ISrsOneCycleThreadHandler
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public:
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/**
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* the thread cycle function,
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* when serve connection completed, terminate the loop which will terminate the thread,
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* thread will invoke the on_thread_stop() when it terminated.
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*/
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virtual srs_error_t cycle();
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public:
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/**
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* get the srs id which identify the client.
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*/
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virtual int srs_id();
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/**
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* set connection to expired.
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*/
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virtual void expire();
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protected:
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/**
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* for concrete connection to do the cycle.
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*/
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virtual srs_error_t do_cycle() = 0;
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};
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#endif
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