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83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2020 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_ASYNC_CALL_HPP
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#define SRS_APP_ASYNC_CALL_HPP
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#include <srs_core.hpp>
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#include <string>
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#include <vector>
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#include <srs_app_st.hpp>
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// The async call for http hooks, for the http hooks will switch st-thread,
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// so we must use isolate thread to avoid the thread corrupt,
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// for example, when dvr call http hooks, the video receive thread got
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// a video and pass it to the dvr again.
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// Futhurmore, the aync call never block the main worker thread.
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class ISrsAsyncCallTask
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{
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public:
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ISrsAsyncCallTask();
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virtual ~ISrsAsyncCallTask();
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public:
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// Execute the task async.
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// This method is the actual execute method of task,
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// for example, to notify callback server.
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virtual srs_error_t call() = 0;
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// Convert task to string to describe it.
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// It's used for logger.
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virtual std::string to_string() = 0;
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};
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// The async callback for dvr, callback and other async worker.
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// When worker call with the task, the worker will do it in isolate thread.
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// That is, the task is execute/call in async mode.
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class SrsAsyncCallWorker : public ISrsCoroutineHandler
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{
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private:
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SrsCoroutine* trd;
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protected:
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std::vector<ISrsAsyncCallTask*> tasks;
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srs_cond_t wait;
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srs_mutex_t lock;
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public:
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SrsAsyncCallWorker();
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virtual ~SrsAsyncCallWorker();
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public:
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virtual srs_error_t execute(ISrsAsyncCallTask* t);
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virtual int count();
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public:
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virtual srs_error_t start();
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virtual void stop();
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// Interface ISrsReusableThreadHandler
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public:
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virtual srs_error_t cycle();
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private:
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virtual void flush_tasks();
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};
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#endif
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