event_dispatcher_start.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <time.h>
#include "trbase.h"
#include "trdata.h"
#include "trhash.h"
#include "tr/event.h"
#include "tr/event_subject.h"
#include "tr/event_dispatcher.h"
void
TR_eventDispatcherStart(TR_EventDispatcher this)
{
this->running = 1;
while (this->running || (! TR_queueEmpty(this->events))) {
time_t now = time(NULL);
TR_Event current = NULL;
if (this->nextbeat && this->nextbeat <= now) {
this->nextbeat += this->heartbeat;
TR_eventDispatcherEnqueueEvent(
this,
TR_eventSubjectEmit(
(TR_EventSubject)this,
TR_DISPATCHER_EVENT_HEARTBEAT,
NULL));
}
if (TR_queueEmpty(this->events)) {
if (TR_EVD_CLIENT == this->mode) {
current = TR_eventSubjectEmit(
(TR_EventSubject)this,
TR_DISPATCHER_EVENT_USER_WAIT,
NULL);
} else {
current = TR_eventSubjectEmit(
(TR_EventSubject)this,
TR_DISPATCHER_EVENT_DATA_WAIT,
NULL);
}
} else {
current = TR_queueGet(this->events);
}
if (current) {
TR_Queue handler_queue;
TR_HashValue handler_queue_hv = TR_hashGetByVal(
this->handler,
TR_sdbm(
(unsigned char *)&(current->id),
sizeof(current->id)));
handler_queue = handler_queue_hv
? *(TR_Queue *)handler_queue_hv->value
: NULL;
if (handler_queue && ! TR_queueEmpty(handler_queue)) {
TR_Queue queue_node = handler_queue->first;
while (queue_node) {
TR_EventHandler handler = queue_node->msg;
if (TR_eventHandlerHandleEvent(handler, current)) break;
queue_node = queue_node->next;
}
}
TR_delete(current);
}
}
}
// vim: set ts=4 sw=4: