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TaskService refactoring

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CPunch
2022-02-17 17:24:46 -06:00
parent 4e8febe916
commit 4e928464bd
5 changed files with 50 additions and 20 deletions
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51
lib/src/ltask.c
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@@ -24,14 +24,12 @@ void laikaT_cleanTaskService(struct sLaika_taskService *service) {
}
}
struct sLaika_task *laikaT_newTask(struct sLaika_taskService *service, int delta, taskCallback callback, void *uData) {
struct sLaika_task *curr = service->headTask, *last = NULL, *task = laikaM_malloc(sizeof(struct sLaika_task));
void scheduleTask(struct sLaika_taskService *service, struct sLaika_task *task) {
struct sLaika_task *curr = service->headTask, *last = NULL;
task->callback = callback;
task->uData = uData;
task->scheduled = getTime() + delta;
task->scheduled = getTime() + task->delta;
/* search list for event for which we're scheduled before */
/* search list for task for which we're scheduled before */
while (curr != NULL && curr->scheduled < task->scheduled) {
last = curr;
curr = curr->next;
@@ -49,10 +47,10 @@ struct sLaika_task *laikaT_newTask(struct sLaika_taskService *service, int delta
}
}
void laikaT_delTask(struct sLaika_taskService *service, struct sLaika_task *task) {
void unscheduleTask(struct sLaika_taskService *service, struct sLaika_task *task) {
struct sLaika_task *curr = service->headTask, *last = NULL;
if (task == service->headTask) {
if (task == service->headTask) { /* if task is root, set root to next */
service->headTask = task->next;
} else {
/* find in list */
@@ -63,8 +61,23 @@ void laikaT_delTask(struct sLaika_taskService *service, struct sLaika_task *task
/* unlink */
last->next = task->next;
task->next = NULL;
}
}
struct sLaika_task *laikaT_newTask(struct sLaika_taskService *service, int delta, taskCallback callback, void *uData) {
struct sLaika_task *task = laikaM_malloc(sizeof(struct sLaika_task));
task->callback = callback;
task->uData = uData;
task->delta = delta;
task->next = NULL;
scheduleTask(service, task);
}
void laikaT_delTask(struct sLaika_taskService *service, struct sLaika_task *task) {
unscheduleTask(service, task);
laikaM_free(task);
}
@@ -73,21 +86,25 @@ void laikaT_pollTasks(struct sLaika_taskService *service) {
clock_t currTick = getTime();
/* run each task, list is already sorted from closest scheduled task to furthest */
while (curr != NULL && curr->scheduled < currTick) { /* if scheduled time is greater than currTime, all events that follow are also not scheduled yet */
/* dispatch task callback */
curr->callback(service, curr, currTick, curr->uData);
/* walk to next task and free */
while (curr != NULL && curr->scheduled <= currTick) { /* if scheduled time is greater than currTime, all events that follow are also not scheduled yet */
/* walk to next task */
last = curr;
curr = curr->next;
laikaT_delTask(service, last);
/* reset task timer */
unscheduleTask(service, last);
scheduleTask(service, last);
/* dispatch task callback */
last->callback(service, last, currTick, last->uData);
}
}
/* will return the delta time in ms till the next event. -1 for no tasks scheduled */
int laikaT_timeTillTask(struct sLaika_taskService *service) {
if (service->headTask)
return service->headTask->scheduled - getTime();
else
if (service->headTask) {
int pause = service->headTask->scheduled - getTime();
return (pause > 0) ? pause : 0;
} else
return -1; /* no tasks scheduled */
}