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source: source/ariba/utility/system/Timer.cpp @ 7821

Last change on this file since 7821 was 7821, checked in by Christoph Mayer, 9 years ago

-timer fixes

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
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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        //std::cout << "unimplemented eventFunction Timer(" << millis << ")" << std::endl;
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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