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