void timers_restore(void) {
if (! persist_exists(PERSIST_TIMERS_VERSION)) {
timers_migrate_1();
return;
}
if (TIMERS_VERSION_TINY == persist_read_int(PERSIST_TIMERS_VERSION)) {
timers_migrate_2();
return;
}
timers_clear();
time_t now = time(NULL);
uint16_t seconds_elapsed = 0;
TimerBlock* block = NULL;
if (persist_exists(PERSIST_TIMER_START)) {
block = malloc(sizeof(TimerBlock));
persist_read_data(PERSIST_TIMER_START, block, sizeof(TimerBlock));
uint8_t num_timers = block->total_timers;
uint8_t block_offset = 0;
seconds_elapsed = now - block->save_time;
for (uint8_t t = 0; t < num_timers; t += 1) {
if (! block) {
block = malloc(sizeof(TimerBlock));
persist_read_data(PERSIST_TIMER_START + block_offset, block, sizeof(TimerBlock));
}
Timer* timer = timer_clone(&block->timers[t % TIMER_BLOCK_SIZE]);
timers_add(timer);
timer_restore(timer, seconds_elapsed);
if (t % TIMER_BLOCK_SIZE == (TIMER_BLOCK_SIZE - 1)) {
free(block);
block = NULL;
block_offset += 1;
}
}
if (block) {
free(block);
block = NULL;
}
}
}
status_t timers_restore(void) {
timers_clear();
if (! persist_exists(STORAGE_TIMER_START)) {
return 0;
}
int block = 0;
TimerBlock* timerBlock = malloc(sizeof(TimerBlock));
persist_read_data(STORAGE_TIMER_START, timerBlock, sizeof(TimerBlock));
uint8_t timer_count = timerBlock->count;
int seconds_elapsed = 0;
if (settings()->resume_timers) {
int save_time = timerBlock->time;
seconds_elapsed = time(NULL) - save_time;
}
for (int t = 0; t < timer_count; t += 1) {
if (t > 0 && t % TIMER_BLOCK_SIZE == 0) {
block += 1;
free_safe(timerBlock);
timerBlock = malloc(sizeof(TimerBlock));
persist_read_data(STORAGE_TIMER_START + block, timerBlock, sizeof(TimerBlock));
}
Timer* timer = timer_clone(&timerBlock->timers[t % TIMER_BLOCK_SIZE]);
timers_add(timer);
timer->app_timer = NULL;
if (! settings()->resume_timers) {
timer_reset(timer);
continue;
}
if (TIMER_STATUS_RUNNING != timer->status) {
continue;
}
if (TIMER_DIRECTION_UP == timer->direction) {
timer->time_left += seconds_elapsed;
}
else {
if (true == timer->repeat) {
timer->time_left -= (seconds_elapsed % timer->length);
if (timer->time_left <= 0) {
timer->time_left += timer->length;
}
}
else {
timer->time_left -= seconds_elapsed;
if (0 >= timer->time_left) {
timer->time_left = 0;
timer->status = TIMER_STATUS_FINISHED;
continue;
}
}
}
timer_resume(timer);
}
free_safe(timerBlock);
return 0;
}