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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_complex_client_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/Base/IPC/ClientServer/Complex/ComplexClient.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/Base/IPC/ClientServer/Complex/ComplexClient.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">//</span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017 <span class="preprocessor">#include &quot;ComplexClientAndServer.h&quot;</span>
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<a name="l00018"></a>00018 <span class="preprocessor">#include &quot;ComplexClient.h&quot;</span>
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<a name="l00019"></a>00019 <span class="preprocessor">#include &quot;CommonFramework.h&quot;</span>
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<a name="l00020"></a>00020
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022
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<a name="l00035"></a>00035 LOCAL_C <span class="keywordtype">void</span> doExampleL()
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<a name="l00036"></a>00036         {
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<a name="l00037"></a>00037         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtTestingCountServer,<span class="stringliteral">&quot;Testing the count server test with 2 client subsessions; these represent independent counters \n\n&quot;</span>);
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<a name="l00038"></a>00038         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtInitCounterAWith,<span class="stringliteral">&quot;\nInitialize counter A with : &quot;</span>);
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<a name="l00039"></a>00039         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtInitCounterBWith,<span class="stringliteral">&quot;\nInitialize counter B with : &quot;</span>);
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<a name="l00040"></a>00040         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtInitCounterFailed,<span class="stringliteral">&quot;\nSetting the counter from string failed: non-numeric character detected\n&quot;</span>);
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<a name="l00041"></a>00041         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtInitCounterSucceeded,<span class="stringliteral">&quot;\nSetting the counter from string succeededd\n&quot;</span>);
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<a name="l00042"></a>00042     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtGetCounterAValue,<span class="stringliteral">&quot;Getting counterA value from server: %d \n&quot;</span>);
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<a name="l00043"></a>00043     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtGetCounterBValue,<span class="stringliteral">&quot;Getting counterB value from server: %d \n&quot;</span>);
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<a name="l00044"></a>00044     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KMsgPressAnyKey,<span class="stringliteral">&quot; (press any key to continue)\n&quot;</span>);
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<a name="l00045"></a>00045           <span class="comment">// Useful integer variable.</span>
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<a name="l00046"></a>00046         TInt ret;
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048           <span class="comment">// Say that we are testing the count server.</span>
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<a name="l00049"></a>00049         console-&gt;Printf(KTxtTestingCountServer);
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<a name="l00050"></a>00050
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<a name="l00051"></a>00051           <span class="comment">// This is our handle to the server.</span>
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<a name="l00052"></a>00052     RCountSession countserv;
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054           <span class="comment">// Connect to the count server, starting it up if we need to </span>
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<a name="l00055"></a>00055           <span class="comment">// (which in this example we do need to).</span>
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<a name="l00056"></a>00056           <span class="comment">// This creates a session with the server.</span>
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<a name="l00057"></a>00057         User::LeaveIfError(countserv.Connect());
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060           <span class="comment">// Set up the first subsession with the count server.</span>
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<a name="l00061"></a>00061           <span class="comment">// We need to pass our handle to the server.</span>
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<a name="l00062"></a>00062         RCountSubSession counterA;
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<a name="l00063"></a>00063         counterA.Open(countserv);
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<a name="l00064"></a>00064         console-&gt;Printf(KTxtInitCounterAWith);
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067       <span class="comment">// Initialise the counter by passing an illegal string - this </span>
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<a name="l00068"></a>00068       <span class="comment">// should fail - but we will check anyway before reporting</span>
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<a name="l00069"></a>00069       <span class="comment">// a failure.</span>
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<a name="l00070"></a>00070         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtIllegalString,<span class="stringliteral">&quot;2a&quot;</span>);
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<a name="l00071"></a>00071         console-&gt;Printf(KTxtIllegalString);
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<a name="l00072"></a>00072         ret = counterA.SetFromString(KTxtIllegalString);
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<a name="l00073"></a>00073         <span class="keywordflow">if</span> (ret==<a class="code" href="secureclientandserver_8h.html#ac31a03d737c6ab16ba55ceab73d57b71ae3a6b8e17c25d02a3ae9ca7362ba4d0c">ENonNumericString</a>)
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<a name="l00074"></a>00074             {
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<a name="l00075"></a>00075                 console-&gt;Printf(KTxtInitCounterFailed);
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<a name="l00076"></a>00076             }
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<a name="l00077"></a>00077         <span class="keywordflow">else</span>
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<a name="l00078"></a>00078             {
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<a name="l00079"></a>00079             console-&gt;Printf(KTxtInitCounterSucceeded);
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<a name="l00080"></a>00080             }
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<a name="l00081"></a>00081
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083           <span class="comment">// Set up the second subsession with the count server.</span>
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<a name="l00084"></a>00084           <span class="comment">// We need to pass our handle to the server.</span>
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<a name="l00085"></a>00085         RCountSubSession counterB;
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<a name="l00086"></a>00086         counterB.Open(countserv);
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<a name="l00087"></a>00087         console-&gt;Printf(KTxtInitCounterBWith);
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089
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<a name="l00090"></a>00090       <span class="comment">// Initialise the counter by passing a legal string.</span>
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<a name="l00091"></a>00091         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtLegalString,<span class="stringliteral">&quot;100&quot;</span>);
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<a name="l00092"></a>00092         console-&gt;Printf(KTxtLegalString);
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<a name="l00093"></a>00093         ret = counterB.SetFromString(KTxtLegalString);
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<a name="l00094"></a>00094         <span class="keywordflow">if</span> (ret==<a class="code" href="secureclientandserver_8h.html#ac31a03d737c6ab16ba55ceab73d57b71ae3a6b8e17c25d02a3ae9ca7362ba4d0c">ENonNumericString</a>)
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<a name="l00095"></a>00095             {
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<a name="l00096"></a>00096                 console-&gt;Printf(KTxtInitCounterFailed);
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<a name="l00097"></a>00097             }
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<a name="l00098"></a>00098         <span class="keywordflow">else</span>
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<a name="l00099"></a>00099             {
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<a name="l00100"></a>00100             console-&gt;Printf(KTxtInitCounterSucceeded);
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<a name="l00101"></a>00101             }
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<a name="l00102"></a>00102
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<a name="l00103"></a>00103         console-&gt;Printf(KMsgPressAnyKey);
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<a name="l00104"></a>00104         console-&gt;Getch();
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<a name="l00105"></a>00105         console-&gt;ClearScreen();
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<a name="l00106"></a>00106
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108           <span class="comment">// Now get the initial values back from the server.</span>
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<a name="l00109"></a>00109           <span class="comment">// The 1st subsession should have a default value (because we initialised it with an illegal value).</span>
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<a name="l00110"></a>00110           <span class="comment">// The 2nd subsession should have the value we specified (because we initialised it witha legal value).</span>
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<a name="l00111"></a>00111         console-&gt;Printf(KTxtGetCounterAValue,counterA.CounterValue());
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<a name="l00112"></a>00112         console-&gt;Printf(KTxtGetCounterBValue,counterB.CounterValue());
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<a name="l00113"></a>00113
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<a name="l00114"></a>00114
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<a name="l00115"></a>00115                 <span class="comment">// Increase CounterA by the default value</span>
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<a name="l00116"></a>00116         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt1,<span class="stringliteral">&quot;\nIncrease counterA by default value (i.e. 1)..\n&quot;</span>);
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<a name="l00117"></a>00117         console-&gt;Printf(KTxt1);
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<a name="l00118"></a>00118         counterA.Increase();
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<a name="l00119"></a>00119         console-&gt;Printf(KTxtGetCounterAValue,counterA.CounterValue());
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<a name="l00120"></a>00120
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<a name="l00121"></a>00121                 <span class="comment">// Increase CounterA by 2</span>
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<a name="l00122"></a>00122         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt2,<span class="stringliteral">&quot;\nIncrease counterA by 2..\n&quot;</span>);
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<a name="l00123"></a>00123         console-&gt;Printf(KTxt2);
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<a name="l00124"></a>00124         counterA.IncreaseBy(2);
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<a name="l00125"></a>00125         console-&gt;Printf(KTxtGetCounterAValue,counterA.CounterValue());
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<a name="l00126"></a>00126
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<a name="l00127"></a>00127           <span class="comment">// Increase CounterB by the default value</span>
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<a name="l00128"></a>00128     <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt3,<span class="stringliteral">&quot;\nIncrease counterB by default value (i.e. 1)..\n&quot;</span>);
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<a name="l00129"></a>00129         console-&gt;Printf(KTxt3);
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<a name="l00130"></a>00130         counterB.Increase();
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<a name="l00131"></a>00131         console-&gt;Printf(KTxtGetCounterBValue,counterB.CounterValue());
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<a name="l00132"></a>00132
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<a name="l00133"></a>00133       <span class="comment">// Increase CounterA by 7 </span>
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<a name="l00134"></a>00134         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt4,<span class="stringliteral">&quot;\nIncrease counterA by 7..\n&quot;</span>);
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<a name="l00135"></a>00135         console-&gt;Printf(KTxt4);
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<a name="l00136"></a>00136         counterA.IncreaseBy(7);
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<a name="l00137"></a>00137     console-&gt;Printf(KTxtGetCounterAValue,counterA.CounterValue());
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<a name="l00138"></a>00138
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<a name="l00139"></a>00139           <span class="comment">// Increase CounterB by 5     </span>
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<a name="l00140"></a>00140         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt5,<span class="stringliteral">&quot;\nIncrease counterB by 5..\n&quot;</span>);
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<a name="l00141"></a>00141         console-&gt;Printf(KTxt5);
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<a name="l00142"></a>00142         counterB.IncreaseBy(5);
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<a name="l00143"></a>00143     console-&gt;Printf(KTxtGetCounterBValue,counterB.CounterValue());
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<a name="l00144"></a>00144
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<a name="l00145"></a>00145           <span class="comment">// Decrease CounterA by the default value</span>
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<a name="l00146"></a>00146         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt6,<span class="stringliteral">&quot;\nDecrease counterA..\n&quot;</span>);
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<a name="l00147"></a>00147         console-&gt;Printf(KTxt6);
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<a name="l00148"></a>00148         counterA.Decrease();
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<a name="l00149"></a>00149     console-&gt;Printf(KTxtGetCounterAValue,counterA.CounterValue());
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<a name="l00150"></a>00150
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<a name="l00151"></a>00151       <span class="comment">// Decrease CounterB by 3</span>
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<a name="l00152"></a>00152         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt7,<span class="stringliteral">&quot;\nDecrease counterB by 3..\n&quot;</span>);
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<a name="l00153"></a>00153         console-&gt;Printf(KTxt7);
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<a name="l00154"></a>00154         counterB.DecreaseBy(3);
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<a name="l00155"></a>00155         console-&gt;Printf(KTxtGetCounterBValue,counterB.CounterValue());
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<a name="l00156"></a>00156
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<a name="l00157"></a>00157       <span class="comment">// Show the number of resources in use.</span>
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<a name="l00158"></a>00158         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt8,<span class="stringliteral">&quot;\nResource count is.. %d \n&quot;</span>);
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<a name="l00159"></a>00159     console-&gt;Printf(KTxt8,countserv.ResourceCount());
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<a name="l00160"></a>00160
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<a name="l00161"></a>00161                 <span class="comment">//close both subsessions</span>
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<a name="l00162"></a>00162
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<a name="l00163"></a>00163         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxt9,<span class="stringliteral">&quot;\nClosing counterA and then CounterB..\n&quot;</span>);
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<a name="l00164"></a>00164         console-&gt;Printf(KTxt9);
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<a name="l00165"></a>00165         counterA.Close();
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<a name="l00166"></a>00166         counterB.Close();
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<a name="l00167"></a>00167
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<a name="l00168"></a>00168
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<a name="l00169"></a>00169           <span class="comment">// Close the sesssion with the count server.</span>
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<a name="l00170"></a>00170         countserv.Close();
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<a name="l00171"></a>00171
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<a name="l00172"></a>00172           <span class="comment">// NB in this example, it is possible to close the session before closing the </span>
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<a name="l00173"></a>00173           <span class="comment">// subsessions. This is because the subsessions are themsleves closed as a</span>
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<a name="l00174"></a>00174           <span class="comment">// consequence of closing the session - also the subsessions offer a simple</span>
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<a name="l00175"></a>00175           <span class="comment">// (almost trivial) synchronous service.</span>
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<a name="l00176"></a>00176           <span class="comment">// In more complex cases, you would need to think through the consequences</span>
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<a name="l00177"></a>00177           <span class="comment">// of closing a session, while a subsession is sill open.</span>
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<a name="l00178"></a>00178         }
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<a name="l00179"></a>00179
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
MCL/sftools/depl/docscontent