1 /*
2  * Copyright (C) 2011 Stefan Sayer
3  *
4  * This file is part of SEMS, a free SIP media server.
5  *
6  * SEMS is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * For a license to use the SEMS software under conditions
12  * other than those described here, or to purchase support for this
13  * software, please contact iptel.org by e-mail at the following addresses:
14  *    info@iptel.org
15  *
16  * SEMS is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
24  */
25 
26 #include "AmEventProcessingThread.h"
27 #include "log.h"
28 
AmEventProcessingThread()29 AmEventProcessingThread::AmEventProcessingThread()
30   : AmEventQueue(this),
31     processing_events(true)
32 {
33 }
34 
~AmEventProcessingThread()35 AmEventProcessingThread::~AmEventProcessingThread() {
36 }
37 
police_event(AmEvent * ev)38 bool AmEventProcessingThread::police_event(AmEvent* ev) {
39   // default: accept all events
40   return true;
41 }
42 
postEvent(AmEvent * ev)43 void AmEventProcessingThread::postEvent(AmEvent* ev) {
44   if (police_event(ev)) {
45     AmEventQueue::postEvent(ev);
46   } else {
47     DBG("dropping event [%p] due to policing\n", ev);
48     delete ev;
49   }
50 }
51 
on_stop()52 void AmEventProcessingThread::on_stop() {
53   DBG("AmEventProcessingThread::on_stop\n");
54 }
55 
run()56 void AmEventProcessingThread::run() {
57   DBG("AmEventProcessingThread running...\n");
58 
59   while (processing_events) {
60     waitForEvent();
61     processEvents();
62   }
63 
64   DBG("AmEventProcessingThread stopping.\n");
65 }
66 
stop_processing()67 void AmEventProcessingThread::stop_processing() {
68   DBG("stop of event processing requested.\n");
69   processing_events = false;
70 }
71 
process(AmEvent * ev)72 void AmEventProcessingThread::process(AmEvent* ev) {
73 
74   // check for shutdown
75   if (ev->event_id == E_SYSTEM) {
76     AmSystemEvent* sys_ev = dynamic_cast<AmSystemEvent*>(ev);
77     if(sys_ev){
78       DBG("received system Event\n");
79       if (sys_ev->sys_event == AmSystemEvent::ServerShutdown) {
80 	DBG("received system Event: ServerShutdown. Stopping event processing.\n");
81 	processing_events = false;
82       }
83     }
84   }
85 
86   onEvent(ev);
87 }
88 
89