mirror of
https://github.com/Hizenberg469/WheelTimer.git
synced 2026-04-19 18:52:22 +03:00
144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
#ifndef __WHEEL_TIMER__
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#define __WHEEL_TIMER__
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#include <pthread.h>
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#include "gluethread/glthread.h"
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typedef struct _wheel_timer_elem_t wheel_timer_elem_t;
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typedef void (*app_call_back)(void *arg, int sizeof_arg);
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typedef struct slotlist_{
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glthread_t slots;
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pthread_mutex_t slot_mutex;
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}slotlist_t;
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typedef enum{
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WTELEM_CREATE,
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WTELEM_RESCHED,
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WTELEM_DELETE,
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WTELEM_SCHEDULED,
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WTELEM_UNKNOWN
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} wt_opcode_t;
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struct _wheel_timer_elem_t{
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wt_opcode_t opcode;
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int time_interval;
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int new_time_interval;
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int execute_cycle_no;
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int slot_no;
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app_call_back app_callback;
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void *arg;
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int arg_size;
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char is_recurrence;
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glthread_t glue;
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slotlist_t *slotlist_head;
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glthread_t reschedule_glue;
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unsigned int N_scheduled;
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};
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GLTHREAD_TO_STRUCT(glthread_to_wt_elem, wheel_timer_elem_t, glue);
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GLTHREAD_TO_STRUCT(glthread_reschedule_glue_to_wt_elem, wheel_timer_elem_t, reschedule_glue);
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typedef struct _wheel_timer_t {
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int current_clock_tic;
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int clock_tic_interval;
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int wheel_size;
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int current_cycle_no;
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pthread_t wheel_thread;
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slotlist_t reschd_list;
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unsigned int no_of_wt_elem;
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slotlist_t slotlist[0];
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} wheel_timer_t;
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#define WT_UPTIME(wt_ptr) \
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(GET_WT_CURRENT_ABS_SLOT_NO(wt_ptr) * wt_ptr->clock_tic_interval)
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#define WT_SLOTLIST(wt_ptr, index) \
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(&(wt_ptr->slotlist[index]))
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#define WT_SLOTLIST_HEAD(wt_ptr, index) \
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(&(wt_ptr->slotlist[index].slots))
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#define WT_SLOTLIST_MUTEX(wt_ptr, index) \
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(&(wt_ptr->slotlist[index].slot_mutex))
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#define GET_WT_ELEM_SLOT_LIST(wt_elem_ptr) \
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(wt_elem_ptr->slotlist_head)
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#define WT_LOCK_SLOT_LIST(slotlist_ptr) \
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pthread_mutex_lock(&(slotlist_ptr->slot_mutex))
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#define WT_UNLOCK_SLOT_LIST(slotlist_ptr) \
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pthread_mutex_unlock(&(slotlist_ptr->slot_mutex))
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#define WT_LOCK_WTELEM_SLOT_LIST(wt_elem_ptr) \
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{ \
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slotlist_t *_slotlist = GET_WT_ELEM_SLOT_LIST(wt_elem_ptr); \
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if(_slotlist) \
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WT_LOCK_SLOT_LIST(_slotlist); \
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}
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#define WT_UNLOCK_WTELEM_SLOT_LIST(wt_elem_ptr) \
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{ \
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slotlist_t *_slotlist = GET_WT_ELEM_SLOT_LIST(wt_elem_ptr); \
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if(_slotlist) \
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WT_UNLOCK_SLOT_LIST(_slotlist); \
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}
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#define WT_IS_SLOTLIST_EMPTY(slotlist_ptr) \
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IS_GLTHREAD_LIST_EMPTY(&(slotlist_ptr->slots))
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#define WT_GET_RESCHD_SLOTLIST(wt_ptr) \
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(&(wt_ptr->reschd_list))
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#define WT_GET_RESCHD_SLOTLIST_HEAD(wt_ptr) \
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(&((WT_GET_RESCHD_SLOTLIST(wt_ptr))->slots))
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wheel_timer_t*
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init_wheel_timer(int wheel_size, int clock_tic_interval);
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int
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wt_get_remaining_time(wheel_timer_t *wt,
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wheel_timer_elem_t *wt_elem);
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/*Gives the absolute slot no since the time WT has started*/
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#define GET_WT_CURRENT_ABS_SLOT_NO(wt) ((wt->current_cycle_no * wt->wheel_size) + wt->current_clock_tic)
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wheel_timer_elem_t *
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register_app_event(wheel_timer_t *wt,
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app_call_back call_back,
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void *arg,
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int arg_size,
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int time_interval,
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char is_recursive);
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void
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de_register_app_event(wheel_timer_t *wt, wheel_timer_elem_t *wt_elem);
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void
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wt_elem_reschedule(wheel_timer_t *wt,
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wheel_timer_elem_t *wt_elem,
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int new_time_interval);
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void
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free_wheel_timer_element(wheel_timer_elem_t *wt_elem);
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void
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print_wheel_timer(wheel_timer_t *wt);
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void
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start_wheel_timer(wheel_timer_t *wt);
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void
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cancel_wheel_timer(wheel_timer_t *wt);
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void
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reset_wheel_timer(wheel_timer_t *wt);
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char*
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hrs_min_sec_format(unsigned int seconds);
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#endif
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