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109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/*
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The MIT License (MIT)
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Copyright (c) 2013-2014 winlin
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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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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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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_POLL_HPP
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#define SRS_APP_POLL_HPP
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/*
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#include <srs_app_poll.hpp>
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*/
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#include <srs_core.hpp>
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#include <map>
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#include <srs_app_st.hpp>
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#include <srs_app_thread.hpp>
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class SrsPollFD;
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/**
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* the poll for all play clients to finger the active fd out.
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* for performance issue, @see: https://github.com/winlinvip/simple-rtmp-server/issues/194
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* the poll is shared by all SrsPollFD, and we start an isolate thread to finger the active fds.
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*/
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class SrsPoll : public ISrsThreadHandler
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{
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private:
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SrsThread* pthread;
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pollfd* _pds;
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std::map<int, SrsPollFD*> fds;
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public:
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SrsPoll();
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virtual ~SrsPoll();
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public:
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/**
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* start the poll thread.
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*/
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virtual int start();
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/**
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* start an cycle thread.
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*/
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virtual int cycle();
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public:
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/**
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* add the fd to poll.
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*/
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virtual int add(st_netfd_t stfd, SrsPollFD* owner);
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/**
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* remove the fd to poll, ignore any error.
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*/
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virtual void remove(st_netfd_t stfd, SrsPollFD* owner);
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// singleton
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private:
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static SrsPoll* _instance;
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public:
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static SrsPoll* instance();
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};
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/**
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* the poll fd to check whether the specified fd is active.
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*/
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class SrsPollFD
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{
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private:
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st_netfd_t _stfd;
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// whether current fd is active.
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bool _active;
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public:
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SrsPollFD();
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virtual ~SrsPollFD();
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public:
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/**
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* initialize the poll.
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* @param stfd the fd to poll.
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*/
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virtual int initialize(st_netfd_t stfd);
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/**
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* whether fd is active.
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*/
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virtual bool active();
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/**
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* the poll will set to fd active when got data to read,
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* the connection will set to deactive when data read.
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*/
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virtual void set_active(bool v);
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};
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#endif
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