ZLMediaKit/api/source/mk_thread.cpp

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/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
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*/
#include "mk_thread.h"
#include "mk_tcp_private.h"
#include "Util/logger.h"
#include "Poller/EventPoller.h"
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#include "Thread/WorkThreadPool.h"
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using namespace std;
using namespace toolkit;
API_EXPORT mk_thread API_CALL mk_thread_from_tcp_session(mk_tcp_session ctx){
assert(ctx);
SessionForC *obj = (SessionForC *)ctx;
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return obj->getPoller().get();
}
API_EXPORT mk_thread API_CALL mk_thread_from_tcp_client(mk_tcp_client ctx){
assert(ctx);
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TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
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return (*client)->getPoller().get();
}
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API_EXPORT mk_thread API_CALL mk_thread_from_pool(){
return EventPollerPool::Instance().getPoller().get();
}
API_EXPORT mk_thread API_CALL mk_thread_from_pool_work(){
return WorkThreadPool::Instance().getPoller().get();
}
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API_EXPORT void API_CALL mk_async_do(mk_thread ctx,on_mk_async cb, void *user_data){
assert(ctx && cb);
EventPoller *poller = (EventPoller *)ctx;
poller->async([cb,user_data](){
cb(user_data);
});
}
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API_EXPORT void API_CALL mk_async_do_delay(mk_thread ctx, size_t ms, on_mk_async cb, void *user_data) {
assert(ctx && cb && ms);
EventPoller *poller = (EventPoller *) ctx;
poller->doDelayTask(ms, [cb, user_data]() {
cb(user_data);
return 0;
});
}
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API_EXPORT void API_CALL mk_sync_do(mk_thread ctx,on_mk_async cb, void *user_data){
assert(ctx && cb);
EventPoller *poller = (EventPoller *)ctx;
poller->sync([cb,user_data](){
cb(user_data);
});
}
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class TimerForC : public std::enable_shared_from_this<TimerForC>{
public:
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using Ptr = std::shared_ptr<TimerForC>;
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TimerForC(on_mk_timer cb, void *user_data){
_cb = cb;
_user_data = user_data;
}
~TimerForC(){}
uint64_t operator()(){
lock_guard<recursive_mutex> lck(_mxt);
if(!_cb){
return 0;
}
return _cb(_user_data);
}
void cancel(){
lock_guard<recursive_mutex> lck(_mxt);
_cb = nullptr;
_task->cancel();
}
void start(uint64_t ms ,EventPoller &poller){
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weak_ptr<TimerForC> weak_self = shared_from_this();
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_task = poller.doDelayTask(ms, [weak_self]() {
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auto strong_self = weak_self.lock();
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if (!strong_self) {
return (uint64_t) 0;
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}
return (*strong_self)();
});
}
private:
on_mk_timer _cb = nullptr;
void *_user_data = nullptr;
recursive_mutex _mxt;
EventPoller::DelayTask::Ptr _task;
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};
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API_EXPORT mk_timer API_CALL mk_timer_create(mk_thread ctx,uint64_t delay_ms,on_mk_timer cb, void *user_data){
assert(ctx && cb);
EventPoller *poller = (EventPoller *)ctx;
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TimerForC::Ptr *ret = new TimerForC::Ptr(new TimerForC(cb, user_data));
(*ret)->start(delay_ms,*poller);
return ret;
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}
API_EXPORT void API_CALL mk_timer_release(mk_timer ctx){
assert(ctx);
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TimerForC::Ptr *obj = (TimerForC::Ptr *)ctx;
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(*obj)->cancel();
delete obj;
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}
class WorkThreadPoolForC : public TaskExecutorGetterImp {
public:
~WorkThreadPoolForC() override = default;
WorkThreadPoolForC(const char *name, size_t n_thread, int priority) {
//最低优先级
addPoller(name, n_thread, (ThreadPool::Priority) priority, false);
}
EventPoller::Ptr getPoller() {
return dynamic_pointer_cast<EventPoller>(getExecutor());
}
};
API_EXPORT mk_thread_pool API_CALL mk_thread_pool_create(const char *name, size_t n_thread, int priority) {
return new WorkThreadPoolForC(name, n_thread, priority);
}
API_EXPORT int API_CALL mk_thread_pool_release(mk_thread_pool pool) {
assert(pool);
delete (WorkThreadPoolForC *) pool;
return 0;
}
API_EXPORT mk_thread API_CALL mk_thread_from_thread_pool(mk_thread_pool pool) {
assert(pool);
return ((WorkThreadPoolForC *) pool)->getPoller().get();
}
API_EXPORT mk_sem API_CALL mk_sem_create() {
return new toolkit::semaphore;
}
API_EXPORT void API_CALL mk_sem_release(mk_sem sem) {
assert(sem);
delete (toolkit::semaphore *) sem;
}
API_EXPORT void API_CALL mk_sem_post(mk_sem sem, size_t n) {
assert(sem);
((toolkit::semaphore *) sem)->post(n);
}
API_EXPORT void API_CALL mk_sem_wait(mk_sem sem) {
assert(sem);
((toolkit::semaphore *) sem)->wait();
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}