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