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103 lines
2.9 KiB
103 lines
2.9 KiB
/**
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* \file
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2014 Georg Hopp
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TR_EVENT_DISPATCHER_H__
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#define __TR_EVENT_DISPATCHER_H__
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#include <time.h>
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#include <stdint.h>
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#include <pthread.h>
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#include "trbase.h"
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#include "trdata.h"
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#include "tr/event.h"
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TR_CLASS(TR_EventDispatcher);
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typedef enum TR_EventDone_e {
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TR_EVENT_DONE = 0,
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TR_EVENT_PENDING
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} TR_EventDone;
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#include "tr/event_handler.h"
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typedef enum TR_e_EventDispatcherMode {
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TR_EVD_SERVER = 0,
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TR_EVD_CLIENT
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} TR_EventDispatcherMode;
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TR_CLASS(TR_EventDispatcher) {
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TR_EXTENDS(TR_EventSubject);
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TR_Queue events;
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pthread_mutex_t events_lock;
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pthread_cond_t events_cond;
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pthread_t events_poll;
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size_t events_handling;
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TR_Hash handler;
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TR_EventHandler default_handler;
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int running;
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TR_Timer heartbeat;
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unsigned long n_beats;
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TR_EventDispatcherMode mode;
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};
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TR_INSTANCE_INIT(TR_EventDispatcher);
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TR_CLASSVARS_DECL(TR_EventDispatcher) {
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TR_CV_EXTENDS(TR_EventSubject);
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};
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#define TR_DISPATCHER_EVENT_HEARTBEAT 0
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#define TR_DISPATCHER_EVENT_USER_WAIT 1
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#define TR_DISPATCHER_EVENT_DATA_WAIT 2
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#define TR_DISPATCHER_EVENT_SHUTDOWN 3
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#define TR_DISPATCHER_EVENT_MAX ((size_t)TR_DISPATCHER_EVENT_SHUTDOWN)
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#define TR_DISPATCHER_MODE_TO_EVENTID(mode) \
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((mode) == TR_EVD_CLIENT \
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? TR_DISPATCHER_EVENT_USER_WAIT \
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: TR_DISPATCHER_EVENT_DATA_WAIT)
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void TR_eventDispatcherRegisterHandler(TR_EventDispatcher, TR_EventHandler);
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unsigned long
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TR_eventDispatcherGetDataWaitTime(TR_EventDispatcher);
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void TR_eventDispatcherStart(TR_EventDispatcher);
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void TR_eventDispatcherShutdown(TR_EventDispatcher);
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#define TR_eventDispatcherEnqueueEvent(disp,ev) \
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pthread_mutex_lock(&((disp)->events_lock)); \
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TR_queuePut((disp)->events, (ev)); \
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pthread_cond_broadcast(&((disp)->events_cond)); \
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pthread_mutex_unlock(&((disp)->events_lock))
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#define TR_eventDispatcherStop(disp) \
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(((TR_EventDispatcher)disp)->running = 0)
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#define TR_eventDispatcherSetHeartbeat(disp, beat) \
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(TR_timerSetMil((disp)->heartbeat, (beat)))
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#define TR_eventDispatcherGetBeatTime(disp) \
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(TR_timerGet((disp)->heartbeat, &((disp)->n_beats)))
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#endif // __TR_EVENT_DISPATCHER_H__
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// vim: set ts=4 sw=4:
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