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source: source/ariba/utility/system/Timer.cpp @ 5412

Last change on this file since 5412 was 4987, checked in by Christoph Mayer, 15 years ago

isrunning function für timer

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        if( running ){
58                running = false;
59
60                timerThread->join();
61                delete timerThread;
62                timerThread = NULL;
63        }
64#endif // UNDERLAY_OMNET
65}
66
67void Timer::setInterval(unsigned int millis, bool oneshot) {
68        this->millis = millis;
69        this->oneshot = oneshot;
70}
71
72void Timer::start() {
73        if( running ) return;
74
75#ifndef UNDERLAY_OMNET
76        // running var will be set in the thread function
77        if( timerThread == NULL )
78                timerThread = new boost::thread(boost::bind(&Timer::threadFunc, this) );
79#else
80        running = true;
81        SystemQueue::instance().scheduleEvent(
82                SystemEvent( this, TimerEventType, NULL), millis );
83#endif
84}
85
86void Timer::reset(){
87#ifndef UNDERLAY_OMNET
88        if(timerThread == NULL) return;
89        timerThread->interrupt();
90#else
91        #error timer interruption not implemented for omnet
92#endif
93}
94
95bool Timer::isRunning(){
96        return running;
97}
98
99void Timer::stop() {
100        running = false;
101        reset(); // cause the sleep to abort
102}
103
104void Timer::eventFunction() {
105        //std::cout << "unimplemented eventFunction Timer(" << millis << ")" << std::endl;
106}
107
108#ifndef UNDERLAY_OMNET
109void Timer::threadFunc( Timer* obj ) {
110        obj->running = true;
111
112        while( obj->running ) {
113
114                try{
115
116                        boost::this_thread::sleep( boost::posix_time::milliseconds(obj->millis) );
117                        if (obj->running)
118                                SystemQueue::instance().scheduleEvent( SystemEvent( obj, TimerEventType, NULL), 0 );
119
120                }catch(boost::thread_interrupted e){
121                        // exception called when Timer::reset is called
122                        // don't need to handle the exception
123                }
124
125                if( obj->oneshot ) break;
126        }
127
128        if(! obj->oneshot )
129                obj->running = false;
130}
131#endif // UNDERLAY_OMNET
132
133void Timer::handleSystemEvent( const SystemEvent& event ) {
134        if( running ){
135                if( oneshot ) running = false;
136                eventFunction();
137        }
138
139#ifdef UNDERLAY_OMNET
140        if( ! oneshot && running )
141                SystemQueue::instance().scheduleEvent(
142                        SystemEvent( this, TimerEventType, NULL), millis );
143#endif
144}
145
146}} // namespace ariba, common
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