source: source/ariba/utility/system/Timer.cpp@ 12766

Last change on this file since 12766 was 10653, checked in by Michael Tänzer, 12 years ago

Merge the ASIO branch back into trunk

File size: 4.0 KB
Line 
1// [License]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [License]
38
39#include "Timer.h"
40
41namespace ariba {
42namespace utility {
43
44use_logging_cpp(Timer);
45SystemEventType TimerEventType("Timer");
46
47Timer::Timer() {
48 running = false;
49
50#ifndef UNDERLAY_OMNET
51 timerThread = NULL;
52#endif // UNDERLAY_OMNET
53}
54
55Timer::~Timer() {
56#ifndef UNDERLAY_OMNET
57 stop();
58 if(timerThread != NULL){
59 delete timerThread;
60 timerThread = NULL;
61 }
62#endif // UNDERLAY_OMNET
63}
64
65void Timer::setInterval(unsigned int millis, bool oneshot) {
66 this->millis = millis;
67 this->oneshot = oneshot;
68}
69
70void Timer::start() {
71 if( running ) return;
72
73#ifndef UNDERLAY_OMNET
74 // running var will be set in the thread function
75 if( timerThread == NULL )
76 timerThread = new boost::thread(boost::bind(&Timer::threadFunc, this) );
77#else
78 running = true;
79 SystemQueue::instance().scheduleEvent(
80 SystemEvent( this, TimerEventType, NULL), millis );
81#endif
82}
83
84void Timer::reset(){
85#ifndef UNDERLAY_OMNET
86 if(timerThread == NULL) return;
87 timerThread->interrupt();
88#else
89 #error timer interruption not implemented for omnet
90#endif
91}
92
93bool Timer::isRunning(){
94 return running;
95}
96
97void Timer::stop() {
98 running = false;
99 reset(); // cause the sleep to abort
100 SystemQueue::instance().dropAll(this);
101 if(timerThread != NULL)
102 timerThread->join();
103}
104
105void Timer::eventFunction() {
106 logging_warn("unimplemented eventFunction Timer(" << millis << ")");
107}
108
109#ifndef UNDERLAY_OMNET
110void Timer::threadFunc( Timer* obj ) {
111 obj->running = true;
112
113 while( obj->running ) {
114
115 try{
116
117 boost::this_thread::sleep( boost::posix_time::milliseconds(obj->millis) );
118 if (obj->running)
119 SystemQueue::instance().scheduleEvent( SystemEvent( obj, TimerEventType, NULL), 0 );
120
121 }catch(boost::thread_interrupted e){
122 // exception called when Timer::reset is called
123 // don't need to handle the exception
124 }
125
126 if( obj->oneshot ) break;
127 }
128
129 if(! obj->oneshot )
130 obj->running = false;
131}
132#endif // UNDERLAY_OMNET
133
134void Timer::handleSystemEvent( const SystemEvent& event ) {
135 if( running ){
136 if( oneshot ) running = false;
137 eventFunction();
138 }
139
140#ifdef UNDERLAY_OMNET
141 if( ! oneshot && running )
142 SystemQueue::instance().scheduleEvent(
143 SystemEvent( this, TimerEventType, NULL), millis );
144#endif
145}
146
147}} // namespace ariba, common
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