Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_complex_client_sub_session_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/Base/IPC/ClientServer/Complex/ComplexClientSubSession.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">// Implementation of the RCountSubSession class</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include "ComplexClientAndServer.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "ComplexClient.h"</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023
<a name="l00027"></a>00027 TInt RCountSubSession::Open(RCountSession &aSession)
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 <span class="keywordflow">return</span> CreateSubSession(aSession,ECountServCreateSubSession);
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032
<a name="l00039"></a>00039 <span class="keywordtype">void</span> RCountSubSession::Close()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 RSubSessionBase::CloseSubSession(ECountServCloseSubSession);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044
<a name="l00049"></a>00049 TInt RCountSubSession::SetFromString(<span class="keyword">const</span> TDesC& aString)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 TIpcArgs args(&aString);
<a name="l00052"></a>00052 <span class="keywordflow">return</span> SendReceive(ECountServInitSubSession, args);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055
<a name="l00060"></a>00060 <span class="keywordtype">void</span> RCountSubSession::Increase()
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 SendReceive(ECountServIncrease);
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068
<a name="l00073"></a>00073 <span class="keywordtype">void</span> RCountSubSession::IncreaseBy(TInt anInt)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 TIpcArgs args(anInt);
<a name="l00078"></a>00078 SendReceive(ECountServIncreaseBy, args);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082
<a name="l00087"></a>00087 <span class="keywordtype">void</span> RCountSubSession::Decrease()
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 SendReceive(ECountServDecrease);
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095
<a name="l00100"></a>00100 <span class="keywordtype">void</span> RCountSubSession::DecreaseBy(TInt anInt)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 TIpcArgs args(anInt);
<a name="l00105"></a>00105 SendReceive(ECountServDecreaseBy, args);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109
<a name="l00113"></a>00113 <span class="keywordtype">void</span> RCountSubSession::Reset()
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 SendReceive(ECountServReset);
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121
<a name="l00127"></a>00127 TInt RCountSubSession::CounterValue()
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 TInt res = KErrNotFound;
<a name="l00130"></a>00130 TPckgBuf<TInt> pckg;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordflow">if</span> (SubSessionHandle())
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 <span class="comment">// Note that TPckgBuf is of type TDes8</span>
<a name="l00135"></a>00135 TIpcArgs args(&pckg);
<a name="l00136"></a>00136 SendReceive(ECountServValue, args);
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="comment">// Extract the value returned from the server. </span>
<a name="l00139"></a>00139 res = pckg();
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">return</span> res;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145
<a name="l00146"></a>00146
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