#ifndef ANT_SCHEDULER #define ANT_SCHEDULER #include #include #include #define antd_create_task(h, d, c, t) (antd_mktask(h, d, c, t, HEAVY)) typedef enum { LIGHT, HEAVY } antd_task_type_t; typedef struct _antd_scheduler_t antd_scheduler_t; typedef struct _antd_callback_t antd_callback_t; typedef struct _antd_queue_item_t antd_scheduler_evt_t; typedef struct { /** * task id */ int id; /** * creation time of a task */ unsigned long stamp; /** * Last access time of * task data */ time_t access_time; /** * the handle and callback */ void *(*handle)(void *); antd_callback_t *callback; /** * The task events * each task must be binded to * one or more event, otherwise it will be * rejected by the scheduler * */ antd_scheduler_evt_t* events; /** * user data if any */ void *data; /** * type of a task * light tasks are executed directly * heavy tasks are delegated to workers */ antd_task_type_t type; } antd_task_t; /* * nit the main scheduler */ antd_scheduler_t *antd_scheduler_init(int, const char *stat_name); /* * destroy all pending task */ void antd_scheduler_destroy(antd_scheduler_t *); /** * create a task * parameter: * - handle * - data * - callback * - last data access time */ antd_task_t *antd_mktask(void *(*handle)(void *), void *data, void *(*callback)(void *), time_t, antd_task_type_t type); /** * add a task */ void antd_scheduler_add_task(antd_scheduler_t *, antd_task_t *); /** * check if scheduler is busy */ int antd_scheduler_busy(antd_scheduler_t *); /** * get scheduler status * */ int antd_scheduler_ok(antd_scheduler_t *scheduler); /** * * wait for event */ void* antd_scheduler_wait(void *); /** * lock the scheduler * */ void antd_scheduler_lock(antd_scheduler_t *); /** * Get next valid task id * */ int antd_scheduler_next_id(antd_scheduler_t* sched, int input); /** * unlock the scheduler * */ void antd_scheduler_unlock(antd_scheduler_t *); /** * weak functions that should be overridden by the application * that user the scheduler as library */ void __attribute__((weak)) antd_scheduler_ext_statistic(int fd, void *data); int __attribute__((weak)) antd_scheduler_validate_data(antd_task_t *task); void __attribute__((weak)) antd_scheduler_destroy_data(void *data); int __attribute__((weak)) antd_task_data_id(void *data); #endif