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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=gb2312"><title>cmpp3api: logqueue.h源文件</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- 制作者 Doxygen 1.5.1-p1 --><div class="tabs"> <ul> <li><a href="main.html"><span>首页</span></a></li> <li><a href="annotated.html"><span>类</span></a></li> <li id="current"><a href="files.html"><span>文件</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>文件列表</span></a></li> <li><a href="globals.html"><span>文件成员</span></a></li> </ul></div><h1>logqueue.h</h1><a href="logqueue_8h.html">浏览该文件的文档。</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*********************************************************************************************</span><a name="l00002"></a>00002 <span class="comment">**********************************************************************************************</span><a name="l00003"></a>00003 <span class="comment">****</span><a name="l00004"></a>00004 <span class="comment">**** File name: LOGQUEUE.H</span><a name="l00005"></a>00005 <span class="comment">**** Creation date(DD.MM.YY): </span><a name="l00006"></a>00006 <span class="comment">**** Author: </span><a name="l00007"></a>00007 <span class="comment">****</span><a name="l00008"></a>00008 <span class="comment">**** Comment:</span><a name="l00009"></a>00009 <span class="comment">****</span><a name="l00010"></a>00010 <span class="comment">**** Revisions:</span><a name="l00011"></a>00011 <span class="comment">**** $Log$</span><a name="l00012"></a>00012 <span class="comment">**** Edit by tomfan 2003/07/03</span><a name="l00013"></a>00013 <span class="comment">**** Revision 1.0 2003/03/107 Tom fan</span><a name="l00014"></a>00014 <span class="comment">**** 1.Add member fucntion "bool IsEmpty()"</span><a name="l00015"></a>00015 <span class="comment">****</span><a name="l00016"></a>00016 <span class="comment">****</span><a name="l00017"></a>00017 <span class="comment">***********************************************************************************************</span><a name="l00018"></a>00018 <span class="comment">***********************(C) Copyright Giesecke & Devrient 2003******************************/</span><a name="l00019"></a>00019 <span class="preprocessor">#ifndef LOGQUEUE_H</span><a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define LOGQUEUE_H</span><a name="l00021"></a>00021 <span class="preprocessor"></span><a name="l00022"></a><a class="code" href="class_l_o_g_queue.html">00022</a> <span class="keyword">class </span><a class="code" href="class_l_o_g_queue.html">LOGQueue</a>{<a name="l00023"></a>00023 <span class="keyword">public</span>:<a name="l00024"></a>00024 <span class="comment">//----------------</span><a name="l00025"></a>00025 <span class="comment">// Queue</span><a name="l00026"></a>00026 <span class="comment">//----------------</span><a name="l00027"></a><a class="code" href="class_l_o_g_queue.html#441786ae971176eed3ac2c42e94ab549">00027</a> <a class="code" href="class_l_o_g_queue.html#441786ae971176eed3ac2c42e94ab549">LOGQueue</a>(UINT limit)<a name="l00028"></a>00028 {<a name="l00029"></a>00029 <a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba4760b86f573329191d322e74eabc1b92a3b9">SemaphoreIndex</a>] = ::CreateSemaphore(NULL, <span class="comment">// no security attributes</span><a name="l00030"></a>00030 0, <span class="comment">// initial count</span><a name="l00031"></a>00031 limit, <span class="comment">// max count</span><a name="l00032"></a>00032 NULL); <span class="comment">// anonymous</span><a name="l00033"></a>00033 <a name="l00034"></a>00034 <a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba476075fbb5e877caaf195feb5beb54b66ef5">StopperIndex</a>] = ::CreateEvent(NULL, <span class="comment">// no security attributes</span><a name="l00035"></a>00035 TRUE, <span class="comment">// manual reset</span><a name="l00036"></a>00036 FALSE, <span class="comment">// initially non-signaled</span><a name="l00037"></a>00037 NULL); <span class="comment">// anonymous</span><a name="l00038"></a>00038 <a name="l00039"></a>00039 ::InitializeCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00040"></a>00040 } <span class="comment">// Queue</span><a name="l00041"></a>00041 <a name="l00042"></a>00042 <span class="comment">//----------------</span><a name="l00043"></a>00043 <span class="comment">// ~Queue</span><a name="l00044"></a>00044 <span class="comment">//----------------</span><a name="l00045"></a><a class="code" href="class_l_o_g_queue.html#2780a35bf42d273c568845c6852f8488">00045</a> <a class="code" href="class_l_o_g_queue.html#2780a35bf42d273c568845c6852f8488">~LOGQueue</a>()<a name="l00046"></a>00046 {<a name="l00047"></a>00047 ::CloseHandle(<a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba4760b86f573329191d322e74eabc1b92a3b9">SemaphoreIndex</a>]);<a name="l00048"></a>00048 ::CloseHandle(<a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba476075fbb5e877caaf195feb5beb54b66ef5">StopperIndex</a>]);<a name="l00049"></a>00049 ::DeleteCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00050"></a>00050 } <span class="comment">// ~Queue</span><a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="comment">//----------------</span><a name="l00053"></a>00053 <span class="comment">// AddTail</span><a name="l00054"></a>00054 <span class="comment">//----------------</span><a name="l00055"></a><a class="code" href="class_l_o_g_queue.html#dc175c1df25a9555e3f811bf63c59687">00055</a> BOOL <a class="code" href="class_l_o_g_queue.html#dc175c1df25a9555e3f811bf63c59687">AddTail</a>(CString p)<a name="l00056"></a>00056 { <a name="l00057"></a>00057 BOOL result;<a name="l00058"></a>00058 ::EnterCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00059"></a>00059 <a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">queue</a>.AddTail(p);<a name="l00060"></a>00060 result = ::ReleaseSemaphore(<a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba4760b86f573329191d322e74eabc1b92a3b9">SemaphoreIndex</a>], 1, NULL);<a name="l00061"></a>00061 <span class="keywordflow">if</span>(!result)<a name="l00062"></a>00062 { <span class="comment">/* failed */</span><a name="l00063"></a>00063 <span class="comment">// caller can use ::GetLastError to determine what went wrong</span><a name="l00064"></a>00064 <a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">queue</a>.RemoveTail();<a name="l00065"></a>00065 } <span class="comment">/* failed */</span><a name="l00066"></a>00066 ::LeaveCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00067"></a>00067 <span class="keywordflow">return</span> result;<a name="l00068"></a>00068 } <span class="comment">// AddTail</span><a name="l00069"></a>00069 <a name="l00070"></a>00070 <span class="comment">//----------------</span><a name="l00071"></a>00071 <span class="comment">// RemoveHead</span><a name="l00072"></a>00072 <span class="comment">//----------------</span><a name="l00073"></a><a class="code" href="class_l_o_g_queue.html#ec2e2f501977fee0db0dff407866bd75">00073</a> CString <a class="code" href="class_l_o_g_queue.html#ec2e2f501977fee0db0dff407866bd75">RemoveHead</a>()<a name="l00074"></a>00074 { <a name="l00075"></a>00075 CString result = _T(<span class="stringliteral">""</span>);<a name="l00076"></a>00076 <a name="l00077"></a>00077 <span class="keywordflow">switch</span>(::WaitForMultipleObjects(2, <a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>, FALSE, INFINITE))<a name="l00078"></a>00078 { <span class="comment">/* decode */</span><a name="l00079"></a>00079 <span class="keywordflow">case</span> <a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba476075fbb5e877caaf195feb5beb54b66ef5">StopperIndex</a>: <span class="comment">// shut down thread</span><a name="l00080"></a>00080 ::ExitThread(10); <span class="comment">// kill thread</span><a name="l00081"></a>00081 <span class="keywordflow">return</span> result; <span class="comment">// return keeps C compiler happy</span><a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="keywordflow">case</span> <a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba4760b86f573329191d322e74eabc1b92a3b9">SemaphoreIndex</a>: <span class="comment">// semaphore</span><a name="l00084"></a>00084 ::EnterCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00085"></a>00085 result = <a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">queue</a>.RemoveHead();<a name="l00086"></a>00086 ::LeaveCriticalSection(&<a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>);<a name="l00087"></a>00087 <span class="keywordflow">return</span> result;<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordflow">case</span> WAIT_TIMEOUT: <span class="comment">// not implemented</span><a name="l00090"></a>00090 <span class="keywordflow">default</span>:<a name="l00091"></a>00091 ASSERT(FALSE); <span class="comment">// impossible condition</span><a name="l00092"></a>00092 <span class="keywordflow">return</span> result;<a name="l00093"></a>00093 } <span class="comment">/* decode */</span><a name="l00094"></a>00094 } <span class="comment">// RemoveHead</span><a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="comment">//----------------</span><a name="l00097"></a>00097 <span class="comment">// shutdown</span><a name="l00098"></a>00098 <span class="comment">//----------------</span><a name="l00099"></a><a class="code" href="class_l_o_g_queue.html#e9d3838228214543c8814ef9bb05c483">00099</a> <span class="keywordtype">void</span> <a class="code" href="class_l_o_g_queue.html#e9d3838228214543c8814ef9bb05c483">shutdown</a>()<a name="l00100"></a>00100 {<a name="l00101"></a>00101 ::SetEvent(<a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba476075fbb5e877caaf195feb5beb54b66ef5">StopperIndex</a>]);<a name="l00102"></a>00102 } <span class="comment">// shutdown</span><a name="l00103"></a>00103 <a name="l00104"></a><a class="code" href="class_l_o_g_queue.html#7f08e6b341ff151c28274c1b9af5854a">00104</a> <span class="keywordtype">bool</span> <a class="code" href="class_l_o_g_queue.html#7f08e6b341ff151c28274c1b9af5854a">IsEmpty</a>()<a name="l00105"></a>00105 {<a name="l00106"></a>00106 <span class="keywordflow">if</span> (<a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">queue</a>.IsEmpty())<a name="l00107"></a>00107 <span class="keywordflow">return</span> <span class="keyword">true</span>;<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="keywordflow">return</span> <span class="keyword">false</span>;<a name="l00110"></a>00110 }<a name="l00111"></a>00111 <a name="l00112"></a>00112 <span class="keyword">protected</span>:<a name="l00113"></a>00113 <span class="keyword">enum</span> {<a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba476075fbb5e877caaf195feb5beb54b66ef5">StopperIndex</a>, <a class="code" href="class_l_o_g_queue.html#6887596e265d47c5b3b9835cdcba4760b86f573329191d322e74eabc1b92a3b9">SemaphoreIndex</a>};<a name="l00114"></a><a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">00114</a> HANDLE <a class="code" href="class_l_o_g_queue.html#29c9a6b4258c1ef8f900d73d000b8a5f">handles</a>[2];<a name="l00115"></a><a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">00115</a> CRITICAL_SECTION <a class="code" href="class_l_o_g_queue.html#afa2cb40f965286d4c295fa64927205a">lock</a>;<a name="l00116"></a><a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">00116</a> CList<CString, CString&> <a class="code" href="class_l_o_g_queue.html#94e8d4dc4849455c5d54eb00043e73f0">queue</a>;<a name="l00117"></a>00117 };<a name="l00118"></a>00118 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated at Sat May 19 16:03:55 2007 for cmpp3api by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1-p1 </small></address></body></html>⌨️ 快捷键说明
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