static void
free_invalidate_t_list(invalidate_t *i)
{
if (i->next)
free_invalidate_t_list(i->next);
free_invalidate_t(i);
}
static void
free_plugin_state_t(plugin_state_t *pstate)
{
if (pstate->invalidate_list)
free_invalidate_t_list(pstate->invalidate_list);
if (pstate->config_file)
TSfree(pstate->config_file);
if (pstate->log)
TSTextLogObjectDestroy(pstate->log);
TSfree(pstate);
}
static int
free_handler(TSCont cont, TSEvent event, void *edata)
{
invalidate_t *iptr;
TSDebug(LOG_PREFIX, "Freeing old config");
iptr = (invalidate_t *)TSContDataGet(cont);
free_invalidate_t_list(iptr);
TSContDestroy(cont);
return 0;
}
static int
config_handler(TSCont cont, TSEvent event, void *edata)
{
plugin_state_t *pstate;
invalidate_t *i, *iptr;
TSCont free_cont;
bool updated;
TSMutex mutex;
mutex = TSContMutexGet(cont);
TSMutexLock(mutex);
TSDebug(LOG_PREFIX, "In config Handler");
pstate = (plugin_state_t *)TSContDataGet(cont);
i = copy_config(pstate->invalidate_list);
updated = prune_config(&i);
updated = load_config(pstate, &i) || updated;
if (updated) {
list_config(pstate, i);
iptr = __sync_val_compare_and_swap(&(pstate->invalidate_list), pstate->invalidate_list, i);
if (iptr) {
free_cont = TSContCreate(free_handler, TSMutexCreate());
TSContDataSet(free_cont, (void *)iptr);
TSContScheduleOnPool(free_cont, FREE_TMOUT, TS_THREAD_POOL_TASK);
}
} else {
TSDebug(LOG_PREFIX, "No Changes");
if (i) {
free_invalidate_t_list(i);
}
}
TSMutexUnlock(mutex);
// Don't reschedule for TS_EVENT_MGMT_UPDATE
if (event == TS_EVENT_TIMEOUT) {
TSContScheduleOnPool(cont, CONFIG_TMOUT, TS_THREAD_POOL_TASK);
}
return 0;
}