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srs/trunk/src/app/srs_app_forward.hpp
2017-03-25 21:29:29 +08:00

101 lines
3 KiB
C++

/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2017 OSSRS(winlin)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SRS_APP_FORWARD_HPP
#define SRS_APP_FORWARD_HPP
#include <srs_core.hpp>
#include <string>
#include <srs_app_st.hpp>
#include <srs_app_thread.hpp>
class ISrsProtocolReaderWriter;
class SrsSharedPtrMessage;
class SrsOnMetaDataPacket;
class SrsMessageQueue;
class SrsRtmpJitter;
class SrsRtmpClient;
class SrsRequest;
class SrsSource;
class SrsOriginHub;
class SrsKbps;
class SrsSimpleRtmpClient;
/**
* forward the stream to other servers.
*/
// TODO: FIXME: refine the error log, comments it.
class SrsForwarder : public ISrsReusableThread2Handler
{
private:
// the ep to forward, server[:port].
std::string ep_forward;
SrsRequest* req;
private:
SrsReusableThread2* pthread;
private:
SrsOriginHub* hub;
SrsSimpleRtmpClient* sdk;
SrsRtmpJitter* jitter;
SrsMessageQueue* queue;
/**
* cache the sequence header for retry when slave is failed.
* @see https://github.com/ossrs/srs/issues/150
*/
SrsSharedPtrMessage* sh_audio;
SrsSharedPtrMessage* sh_video;
public:
SrsForwarder(SrsOriginHub* h);
virtual ~SrsForwarder();
public:
virtual int initialize(SrsRequest* r, std::string ep);
virtual void set_queue_size(double queue_size);
public:
virtual int on_publish();
virtual void on_unpublish();
/**
* forward the audio packet.
* @param shared_metadata, directly ptr, copy it if need to save it.
*/
virtual int on_meta_data(SrsSharedPtrMessage* shared_metadata);
/**
* forward the audio packet.
* @param shared_audio, directly ptr, copy it if need to save it.
*/
virtual int on_audio(SrsSharedPtrMessage* shared_audio);
/**
* forward the video packet.
* @param shared_video, directly ptr, copy it if need to save it.
*/
virtual int on_video(SrsSharedPtrMessage* shared_video);
// interface ISrsReusableThread2Handler.
public:
virtual int cycle();
private:
virtual int forward();
};
#endif