mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-12-02 08:13:02 +08:00
256 lines
8.2 KiB
C++
256 lines
8.2 KiB
C++
/*
|
||
* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
|
||
*
|
||
* Use of this source code is governed by MIT-like 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.
|
||
*/
|
||
|
||
#ifndef MK_THREAD_H
|
||
#define MK_THREAD_H
|
||
|
||
#include <assert.h>
|
||
#include "mk_common.h"
|
||
#include "mk_tcp.h"
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
// /////////////////////////////////////////事件线程///////////////////////////////////////////// [AUTO-TRANSLATED:6d564b3b]
|
||
// /////////////////////////////////////////事件线程/////////////////////////////////////////////
|
||
typedef struct mk_thread_t *mk_thread;
|
||
|
||
/**
|
||
* 获取tcp会话对象所在事件线程
|
||
* @param ctx tcp会话对象
|
||
* @return 对象所在事件线程
|
||
* Get the event thread where the tcp session object is located
|
||
* @param ctx tcp session object
|
||
* @return The event thread where the object is located
|
||
|
||
* [AUTO-TRANSLATED:17da57ec]
|
||
*/
|
||
API_EXPORT mk_thread API_CALL mk_thread_from_tcp_session(mk_tcp_session ctx);
|
||
|
||
/**
|
||
* 获取tcp客户端对象所在事件线程
|
||
* @param ctx tcp客户端
|
||
* @return 对象所在事件线程
|
||
* Get the event thread where the tcp client object is located
|
||
* @param ctx tcp client
|
||
* @return The event thread where the object is located
|
||
|
||
* [AUTO-TRANSLATED:15d4174b]
|
||
*/
|
||
API_EXPORT mk_thread API_CALL mk_thread_from_tcp_client(mk_tcp_client ctx);
|
||
|
||
/**
|
||
* 根据负载均衡算法，从事件线程池中随机获取一个事件线程
|
||
* 如果在事件线程内执行此函数将返回本事件线程
|
||
* 事件线程指的是定时器、网络io事件线程
|
||
* @return 事件线程
|
||
* Get an event thread randomly from the event thread pool according to the load balancing algorithm
|
||
* If this function is executed within the event thread, it will return the current event thread
|
||
* Event thread refers to timer, network io event thread
|
||
* @return Event thread
|
||
|
||
* [AUTO-TRANSLATED:5da37e1f]
|
||
*/
|
||
API_EXPORT mk_thread API_CALL mk_thread_from_pool();
|
||
|
||
/**
|
||
* 根据负载均衡算法，从后台线程池中随机获取一个线程
|
||
* 后台线程本质与事件线程相同，只是优先级更低，同时可以执行短时间的阻塞任务
|
||
* ZLMediaKit中后台线程用于dns解析、mp4点播时的文件解复用
|
||
* @return 后台线程
|
||
* Get a thread randomly from the background thread pool according to the load balancing algorithm
|
||
* Background threads are essentially the same as event threads, but they have lower priority and can execute short-term blocking tasks
|
||
* Background threads in ZLMediaKit are used for dns resolution, file demultiplexing during mp4 on-demand
|
||
* @return Background thread
|
||
|
||
* [AUTO-TRANSLATED:3b552537]
|
||
*/
|
||
API_EXPORT mk_thread API_CALL mk_thread_from_pool_work();
|
||
|
||
typedef struct mk_thread_pool_t *mk_thread_pool;
|
||
|
||
/**
|
||
* 创建线程池
|
||
* @param name 线程池名称，方便调试
|
||
* @param n_thread 线程个数，0时为cpu个数
|
||
* @param priority 线程优先级，分为PRIORITY_LOWEST = 0,PRIORITY_LOW, PRIORITY_NORMAL, PRIORITY_HIGH, PRIORITY_HIGHEST
|
||
* @return 线程池
|
||
* Create a thread pool
|
||
* @param name Thread pool name, for debugging
|
||
* @param n_thread Number of threads, 0 for the number of cpus
|
||
* @param priority Thread priority, divided into PRIORITY_LOWEST = 0,PRIORITY_LOW, PRIORITY_NORMAL, PRIORITY_HIGH, PRIORITY_HIGHEST
|
||
* @return Thread pool
|
||
|
||
* [AUTO-TRANSLATED:177acea2]
|
||
*/
|
||
API_EXPORT mk_thread_pool API_CALL mk_thread_pool_create(const char *name, size_t n_thread, int priority);
|
||
|
||
/**
|
||
* 销毁线程池
|
||
* @param pool 线程池
|
||
* @return 0:成功
|
||
* Destroy the thread pool
|
||
* @param pool Thread pool
|
||
* @return 0: Success
|
||
|
||
* [AUTO-TRANSLATED:1f1b3582]
|
||
*/
|
||
API_EXPORT int API_CALL mk_thread_pool_release(mk_thread_pool pool);
|
||
|
||
/**
|
||
* 从线程池获取一个线程
|
||
* @param pool 线程池
|
||
* @return 线程
|
||
* Get a thread from the thread pool
|
||
* @param pool Thread pool
|
||
* @return Thread
|
||
|
||
* [AUTO-TRANSLATED:f47de48e]
|
||
*/
|
||
API_EXPORT mk_thread API_CALL mk_thread_from_thread_pool(mk_thread_pool pool);
|
||
|
||
// /////////////////////////////////////////线程切换///////////////////////////////////////////// [AUTO-TRANSLATED:5fc795bf]
|
||
// /////////////////////////////////////////线程切换/////////////////////////////////////////////
|
||
typedef void (API_CALL *on_mk_async)(void *user_data);
|
||
|
||
/**
|
||
* 切换到事件线程并异步执行
|
||
* @param ctx 事件线程
|
||
* @param cb 回调函数
|
||
* @param user_data 用户数据指针
|
||
* Switch to the event thread and execute asynchronously
|
||
* @param ctx Event thread
|
||
* @param cb Callback function
|
||
* @param user_data User data pointer
|
||
|
||
* [AUTO-TRANSLATED:55773ed5]
|
||
*/
|
||
API_EXPORT void API_CALL mk_async_do(mk_thread ctx, on_mk_async cb, void *user_data);
|
||
API_EXPORT void API_CALL mk_async_do2(mk_thread ctx, on_mk_async cb, void *user_data, on_user_data_free user_data_free);
|
||
|
||
/**
|
||
* 切换到事件线程并延时执行
|
||
* @param ctx 事件线程
|
||
* @param ms 延时时间，单位毫秒
|
||
* @param cb 回调函数
|
||
* @param user_data 用户数据指针
|
||
* Switch to the event thread and execute with delay
|
||
* @param ctx Event thread
|
||
* @param ms Delay time, in milliseconds
|
||
* @param cb Callback function
|
||
* @param user_data User data pointer
|
||
|
||
* [AUTO-TRANSLATED:35dfdb0e]
|
||
*/
|
||
API_EXPORT void API_CALL mk_async_do_delay(mk_thread ctx, size_t ms, on_mk_async cb, void *user_data);
|
||
API_EXPORT void API_CALL mk_async_do_delay2(mk_thread ctx, size_t ms, on_mk_async cb, void *user_data, on_user_data_free user_data_free);
|
||
|
||
/**
|
||
* 切换到事件线程并同步执行
|
||
* @param ctx 事件线程
|
||
* @param cb 回调函数
|
||
* @param user_data 用户数据指针
|
||
* Switch to the event thread and execute synchronously
|
||
* @param ctx Event thread
|
||
* @param cb Callback function
|
||
* @param user_data User data pointer
|
||
|
||
* [AUTO-TRANSLATED:1326dfb2]
|
||
*/
|
||
API_EXPORT void API_CALL mk_sync_do(mk_thread ctx, on_mk_async cb, void *user_data);
|
||
|
||
// /////////////////////////////////////////定时器///////////////////////////////////////////// [AUTO-TRANSLATED:7f76781c]
|
||
// /////////////////////////////////////////定时器/////////////////////////////////////////////
|
||
typedef struct mk_timer_t *mk_timer;
|
||
|
||
/**
|
||
* 定时器触发事件
|
||
* @return 下一次触发延时(单位毫秒)，返回0则不再重复
|
||
* Timer trigger event
|
||
* @return Next trigger delay (in milliseconds), return 0 to stop repeating
|
||
|
||
* [AUTO-TRANSLATED:f8846f56]
|
||
*/
|
||
typedef uint64_t (API_CALL *on_mk_timer)(void *user_data);
|
||
|
||
/**
|
||
* 创建定时器
|
||
* @param ctx 线程对象
|
||
* @param delay_ms 执行延时，单位毫秒
|
||
* @param cb 回调函数
|
||
* @param user_data 用户数据指针
|
||
* @return 定时器对象
|
||
* Create a timer
|
||
* @param ctx Thread object
|
||
* @param delay_ms Execution delay, in milliseconds
|
||
* @param cb Callback function
|
||
* @param user_data User data pointer
|
||
* @return Timer object
|
||
|
||
* [AUTO-TRANSLATED:2d47864a]
|
||
*/
|
||
API_EXPORT mk_timer API_CALL mk_timer_create(mk_thread ctx, uint64_t delay_ms, on_mk_timer cb, void *user_data);
|
||
API_EXPORT mk_timer API_CALL mk_timer_create2(mk_thread ctx, uint64_t delay_ms, on_mk_timer cb, void *user_data, on_user_data_free user_data_free);
|
||
|
||
/**
|
||
* 销毁和取消定时器
|
||
* @param ctx 定时器对象
|
||
* Destroy and cancel the timer
|
||
* @param ctx Timer object
|
||
|
||
* [AUTO-TRANSLATED:3fdb8534]
|
||
*/
|
||
API_EXPORT void API_CALL mk_timer_release(mk_timer ctx);
|
||
|
||
// /////////////////////////////////////////信号量///////////////////////////////////////////// [AUTO-TRANSLATED:f41da57a]
|
||
// /////////////////////////////////////////信号量/////////////////////////////////////////////
|
||
|
||
typedef struct mk_sem_t *mk_sem;
|
||
|
||
/**
|
||
* 创建信号量
|
||
* Create a semaphore
|
||
|
||
* [AUTO-TRANSLATED:dcd83058]
|
||
*/
|
||
API_EXPORT mk_sem API_CALL mk_sem_create();
|
||
|
||
/**
|
||
* 销毁信号量
|
||
* Destroy the semaphore
|
||
|
||
* [AUTO-TRANSLATED:b298797b]
|
||
*/
|
||
API_EXPORT void API_CALL mk_sem_release(mk_sem sem);
|
||
|
||
/**
|
||
* 信号量加n
|
||
* Increase the semaphore by n
|
||
|
||
* [AUTO-TRANSLATED:1f455c5d]
|
||
*/
|
||
API_EXPORT void API_CALL mk_sem_post(mk_sem sem, size_t n);
|
||
|
||
/**
|
||
* 信号量减1
|
||
* @param sem
|
||
* Decrease the semaphore by 1
|
||
* @param sem
|
||
|
||
* [AUTO-TRANSLATED:626595d8]
|
||
*/
|
||
API_EXPORT void API_CALL mk_sem_wait(mk_sem sem);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
#endif //MK_THREAD_H
|