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srs/trunk/src/app/srs_app_pithy_print.hpp

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3.6 KiB
C++

/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2020 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_PITHY_PRINT_HPP
#define SRS_APP_PITHY_PRINT_HPP
#include <srs_core.hpp>
#include <srs_app_reload.hpp>
// The stage info to calc the age.
class SrsStageInfo : public ISrsReloadHandler
{
public:
int stage_id;
srs_utime_t interval;
int nb_clients;
public:
srs_utime_t age;
public:
SrsStageInfo(int _stage_id);
virtual ~SrsStageInfo();
virtual void update_print_time();
public:
virtual void elapse(srs_utime_t diff);
virtual bool can_print();
public:
virtual srs_error_t on_reload_pithy_print();
};
// The stage is used for a collection of object to do print,
// the print time in a stage is constant and not changed,
// that is, we always got one message to print every specified time.
//
// For example, stage #1 for all play clients, print time is 3s,
// if there is 1client, it will print every 3s.
// if there is 10clients, random select one to print every 3s.
// Usage:
// SrsPithyPrint* pprint = SrsPithyPrint::create_rtmp_play();
// SrsAutoFree(SrsPithyPrint, pprint);
// while (true) {
// pprint->elapse();
// if (pprint->can_print()) {
// // print pithy message.
// // user can get the elapse time by: pprint->age()
// }
// // read and write RTMP messages.
// }
class SrsPithyPrint
{
private:
int client_id;
int stage_id;
srs_utime_t _age;
srs_utime_t previous_tick;
private:
SrsPithyPrint(int _stage_id);
public:
static SrsPithyPrint* create_rtmp_play();
static SrsPithyPrint* create_rtmp_publish();
static SrsPithyPrint* create_hls();
static SrsPithyPrint* create_forwarder();
static SrsPithyPrint* create_encoder();
static SrsPithyPrint* create_exec();
static SrsPithyPrint* create_ingester();
static SrsPithyPrint* create_edge();
static SrsPithyPrint* create_caster();
static SrsPithyPrint* create_http_stream();
static SrsPithyPrint* create_http_stream_cache();
static SrsPithyPrint* create_rtc_play();
static SrsPithyPrint* create_rtc_send();
virtual ~SrsPithyPrint();
private:
// Enter the specified stage, return the client id.
virtual int enter_stage();
// Leave the specified stage, release the client id.
virtual void leave_stage();
public:
// Auto calc the elapse time
virtual void elapse();
// Whether current client can print.
virtual bool can_print();
// Get the elapsed time in srs_utime_t.
virtual srs_utime_t age();
};
#endif