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https://github.com/lxsang/ant-http
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gitea-sync/ant-http/pipeline/head This commit looks good
- New plugin interface that supports multiple instances - Fix and improve memory bugs - Refactory and cleanup lib - Improve scheduler
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
#ifndef ANT_SCHEDULER
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#define ANT_SCHEDULER
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#include <stdint.h>
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// define the event
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#define TASK_EVT_ALWAY_ON 0x01
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#define TASK_EVT_ON_READABLE 0x02
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#define TASK_EVT_ON_WRITABLE 0x04
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#define TASK_EVT_ON_TIMEOUT 0x08
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#define POLL_EVENT_TO 10 // ms
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typedef struct _antd_scheduler_t antd_scheduler_t;
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typedef struct _antd_callback_t antd_callback_t;
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typedef struct _antd_queue_item_t* antd_task_evt_list_t;
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typedef struct
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{
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/**
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* task id
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*/
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int id;
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/**
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* creation time of a task
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*/
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unsigned long stamp;
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/**
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* Last access time of
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* task data
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*/
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time_t access_time;
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/**
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* the handle and callback
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*/
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void *(*handle)(void *);
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antd_callback_t *callback;
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/**
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* The task events
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* each task must be binded to
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* one or more event, otherwise it will be
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* rejected by the scheduler
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* */
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antd_task_evt_list_t events;
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/**
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* user data if any
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*/
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void *data;
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} antd_task_t;
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/*
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* nit the main scheduler
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*/
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antd_scheduler_t *antd_scheduler_init(int, const char *stat_name);
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/*
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* destroy all pending task
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*/
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void antd_scheduler_destroy(antd_scheduler_t *);
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/**
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* create a task
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* parameter:
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* - handle
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* - data
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* - callback
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* - last data access time
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*/
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antd_task_t *antd_create_task(void *(*handle)(void *), void *data, void *(*callback)(void *), time_t);
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/**
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* ALWAY_ON flag doest not need a file descriptor, it will be executed immediately by the scheduler
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* ANY file descriptor should work with READABLE and WRITABLE flags, including timerfd for precision timeout
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* Timeout flag (in seconds precision): val is the number of seconds
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*
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* File descriptor close operation is not handled by the scheduler
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*
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* */
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void antd_task_bind_event(antd_task_t* task, int fd, int timeout, int flags);
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/**
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* add a task
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*/
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void antd_scheduler_add_task(antd_scheduler_t *, antd_task_t *);
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/**
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* check if scheduler is busy
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*/
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int antd_scheduler_busy(antd_scheduler_t *);
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/**
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* get scheduler status
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* */
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int antd_scheduler_ok(antd_scheduler_t *scheduler);
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/**
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*
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* wait for event
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*/
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void *antd_scheduler_wait(void *);
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/**
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* lock the scheduler
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* */
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void antd_scheduler_lock(antd_scheduler_t *);
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/**
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* Get next valid task id
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* */
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int antd_scheduler_next_id(antd_scheduler_t *sched, int input);
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/**
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* unlock the scheduler
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* */
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void antd_scheduler_unlock(antd_scheduler_t *);
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/**
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* weak functions that should be overridden by the application
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* that user the scheduler as library
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*/
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void __attribute__((weak)) antd_scheduler_ext_statistic(int fd, void *data);
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int __attribute__((weak)) antd_scheduler_validate_data(antd_task_t *task);
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void __attribute__((weak)) antd_scheduler_destroy_data(void *data);
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int __attribute__((weak)) antd_task_data_id(void *data);
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#endif |