<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>DTN Reference Implementation: ProphetTimer.h Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.6 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <h1>ProphetTimer.h</h1><a href="ProphetTimer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * Copyright 2007 Baylor University</span> <a name="l00003"></a>00003 <span class="comment"> * </span> <a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span> <a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span> <a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span> <a name="l00007"></a>00007 <span class="comment"> * </span> <a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> <a name="l00009"></a>00009 <span class="comment"> * </span> <a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> <a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> <a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> <a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span> <a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span> <a name="l00015"></a>00015 <span class="comment"> */</span> <a name="l00016"></a>00016 <a name="l00017"></a>00017 <span class="preprocessor">#ifndef _PROPHET_TIMER_H_</span> <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define _PROPHET_TIMER_H_</span> <a name="l00019"></a>00019 <span class="preprocessor"></span> <a name="l00020"></a>00020 <span class="preprocessor">#include <oasys/thread/Timer.h></span> <a name="l00021"></a>00021 <span class="preprocessor">#include <oasys/thread/Lock.h></span> <a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="Alarm_8h.html">prophet/Alarm.h</a>"</span> <a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="Encounter_8h.html">prophet/Encounter.h</a>"</span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="keyword">namespace </span>dtn <a name="l00026"></a>00026 { <a name="l00027"></a>00027 <a name="l00028"></a><a class="code" href="classdtn_1_1ProphetTimer.html">00028</a> <span class="keyword">class </span><a class="code" href="classdtn_1_1ProphetTimer.html">ProphetTimer</a> : <span class="keyword">public</span> oasys::Timer, <a name="l00029"></a>00029 <span class="keyword">public</span> prophet::Alarm <a name="l00030"></a>00030 { <a name="l00031"></a>00031 <span class="keyword">public</span>: <a name="l00032"></a><a class="code" href="classdtn_1_1ProphetTimer.html#a80cd34a517fbd5302ed2d0a6037317f">00032</a> <a class="code" href="classdtn_1_1ProphetTimer.html#a80cd34a517fbd5302ed2d0a6037317f">ProphetTimer</a>(<a class="code" href="classprophet_1_1ExpirationHandler.html" title="Alarm expiration handler.">prophet::ExpirationHandler</a>* eh, <a name="l00033"></a>00033 oasys::SpinLock* lock) <a name="l00034"></a>00034 : oasys::Timer(), <a name="l00035"></a>00035 prophet::<a class="code" href="classprophet_1_1Alarm.html#987f663429fa93cdbc7884d5411eb703" title="Constructor.">Alarm</a>(eh), <a name="l00036"></a>00036 <a class="code" href="classdtn_1_1ProphetTimer.html#2271483967f207c0b6729dce4e70abfe" title="synchronize/serialize access to handler">lock_</a>(lock) <a name="l00037"></a>00037 { <a name="l00038"></a>00038 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>( eh != NULL ); <a name="l00039"></a>00039 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>( lock != NULL ); <a name="l00040"></a>00040 } <a name="l00041"></a>00041 <a name="l00042"></a><a class="code" href="classdtn_1_1ProphetTimer.html#ed0554f250d7b8217095a46185d8e43d">00042</a> <span class="keyword">virtual</span> <a class="code" href="classdtn_1_1ProphetTimer.html#ed0554f250d7b8217095a46185d8e43d">~ProphetTimer</a>() {} <a name="l00043"></a>00043 <a name="l00047"></a><a class="code" href="classdtn_1_1ProphetTimer.html#5833c6d20785f3396c980766e12a5cc3">00047</a> <span class="keywordtype">void</span> <a class="code" href="classprophet_1_1Alarm.html#2b338adb4dc614f739697d18813f88b5" title="Invoke timeout handler.">timeout</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval& now) <a name="l00048"></a>00048 { <a name="l00049"></a>00049 (void)now; <a name="l00050"></a>00050 oasys::ScopeLock l(<a class="code" href="classdtn_1_1ProphetTimer.html#2271483967f207c0b6729dce4e70abfe" title="synchronize/serialize access to handler">lock_</a>,<span class="stringliteral">"ProphetTimer::timeout"</span>); <a name="l00051"></a>00051 <a class="code" href="classprophet_1_1Alarm.html#2b338adb4dc614f739697d18813f88b5" title="Invoke timeout handler.">prophet::Alarm::timeout</a>(); <a name="l00052"></a>00052 } <a name="l00053"></a>00053 <a name="l00055"></a><a class="code" href="classdtn_1_1ProphetTimer.html#06a6447f317c304f1a341dad43484b0e">00055</a> <span class="keywordtype">void</span> <a class="code" href="classdtn_1_1ProphetTimer.html#06a6447f317c304f1a341dad43484b0e" title="Virtual from prophet::Alarm.">schedule</a>(u_int milliseconds) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 oasys::Timer::schedule_in(milliseconds); <a name="l00058"></a>00058 } <a name="l00059"></a><a class="code" href="classdtn_1_1ProphetTimer.html#19272e0bef9c0df0e20d278c0e4f586f">00059</a> u_int <a class="code" href="classdtn_1_1ProphetTimer.html#19272e0bef9c0df0e20d278c0e4f586f" title="Virtual from prophet::Alarm.">time_remaining</a>()<span class="keyword"> const</span> <a name="l00060"></a>00060 <span class="keyword"> </span>{ <a name="l00061"></a>00061 <span class="keyword">struct </span>timeval now;<a class="code" href="namespacedtnsim.html#372b0bd474085f20b38efbbade7ce72a" title="Override gettimeofday to return the simulator time."></a> <a name="l00062"></a>00062 <a class="code" href="namespacedtnsim.html#372b0bd474085f20b38efbbade7ce72a" title="Override gettimeofday to return the simulator time."> ::gettimeofday</a>(&now,0); <a name="l00063"></a>00063 <span class="keyword">struct </span>timeval when = <span class="keyword">const_cast<</span><a class="code" href="classdtn_1_1ProphetTimer.html">ProphetTimer</a>*<span class="keyword">></span>(<span class="keyword">this</span>)->when(); <a name="l00064"></a>00064 <span class="keywordtype">int</span> diff = <a class="code" href="dtnping_8h.html#78237999c2659b5d28c1a90a2123607f">TIMEVAL_DIFF_MSEC</a>(when, now); <a name="l00065"></a>00065 <span class="keywordflow">return</span> (diff < 0) ? 0 : diff; <a name="l00066"></a>00066 } <a name="l00067"></a><a class="code" href="classdtn_1_1ProphetTimer.html#ac693f56a7f6de16b5a23935438194e3">00067</a> <span class="keywordtype">void</span> <a class="code" href="classdtn_1_1ProphetTimer.html#ac693f56a7f6de16b5a23935438194e3" title="Virtual from prophet::Alarm.">cancel</a>() { oasys::Timer::cancel(); } <a name="l00068"></a><a class="code" href="classdtn_1_1ProphetTimer.html#7dfd5440dcb955b90ba0fb2c7a9f6145">00068</a> <span class="keywordtype">bool</span> <a class="code" href="classdtn_1_1ProphetTimer.html#7dfd5440dcb955b90ba0fb2c7a9f6145" title="Virtual from prophet::Alarm.">pending</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> oasys::Timer::pending_; } <a name="l00069"></a><a class="code" href="classdtn_1_1ProphetTimer.html#e0a84170bfd5dd1f2fbbb32e51cf343a">00069</a> <span class="keywordtype">bool</span> <a class="code" href="classdtn_1_1ProphetTimer.html#e0a84170bfd5dd1f2fbbb32e51cf343a" title="Virtual from prophet::Alarm.">cancelled</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> oasys::Timer::cancelled_; } <a name="l00071"></a>00071 <a name="l00072"></a>00072 <span class="keyword">protected</span>: <a name="l00073"></a><a class="code" href="classdtn_1_1ProphetTimer.html#2271483967f207c0b6729dce4e70abfe">00073</a> oasys::SpinLock* <a class="code" href="classdtn_1_1ProphetTimer.html#2271483967f207c0b6729dce4e70abfe" title="synchronize/serialize access to handler">lock_</a>; <a name="l00074"></a>00074 <a name="l00075"></a>00075 }; <span class="comment">// class ProphetTimer</span> <a name="l00076"></a>00076 <a name="l00077"></a>00077 }; <span class="comment">// namespace dtn</span> <a name="l00078"></a>00078 <a name="l00079"></a>00079 <span class="preprocessor">#endif // _PROPHET_TIMER_H_</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Mon Jul 21 14:09:46 2008 for DTN Reference Implementation by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> </body> </html>