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<h1>examples/Base/IPC/ClientServer/Complex/ComplexServer.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 <span class="preprocessor">#include "ComplexClientAndServer.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "ComplexServer.h"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <e32svr.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <e32uid.h></span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a>00022 <span class="comment">//NOTE**: The example does not demonstrate any security features - its purpose is simply</span>
<a name="l00023"></a>00023 <span class="comment">// to demonstrate the basic principles of client/server interaction.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026
<a name="l00030"></a><a class="code" href="class_c_count_server.html#1e24101970d13e02f3a277a59f26fa67">00030</a> TInt <a class="code" href="class_c_count_server.html#1e24101970d13e02f3a277a59f26fa67">CCountServer::ThreadFunction</a>(TAny* )
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="comment">// Useful TInt variable</span>
<a name="l00033"></a>00033 TInt err;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">// create cleanup stack</span>
<a name="l00036"></a>00036 CTrapCleanup* cleanup = CTrapCleanup::New();
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (cleanup == NULL)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <a class="code" href="class_c_count_server.html#ac484db8302f90f30a1fbc345412821f">PanicServer</a>(<a class="code" href="secureserver_8h.html#091a5ad2956fb84c4470a59010a0d4ef36f3ebda4e94aedb5817599162216e69">ECreateTrapCleanup</a>);
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// Create an active scheduler.</span>
<a name="l00043"></a>00043 CActiveScheduler* pScheduler=<span class="keyword">new</span> CActiveScheduler;
<a name="l00044"></a>00044 __ASSERT_ALWAYS(pScheduler,<a class="code" href="class_c_count_server.html#ac484db8302f90f30a1fbc345412821f">PanicServer</a>(<a class="code" href="secureserver_8h.html#091a5ad2956fb84c4470a59010a0d4ef4dc32eda4a06b69469187275e825d99f">EMainSchedulerError</a>));
<a name="l00045"></a>00045 <span class="comment">// Install the active scheduler.</span>
<a name="l00046"></a>00046 CActiveScheduler::Install(pScheduler);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// Create the server object.</span>
<a name="l00049"></a>00049 <a class="code" href="class_c_count_server.html">CCountServer</a>* pServer = NULL;
<a name="l00050"></a>00050 TRAP(err,pServer = <a class="code" href="class_c_count_server.html#d4980524fee227b1ba035b04ecf2cc69">CCountServer::NewL</a>(EPriorityStandard));
<a name="l00051"></a>00051 __ASSERT_ALWAYS(!err,<a class="code" href="class_c_count_server.html#ac484db8302f90f30a1fbc345412821f">CCountServer::PanicServer</a>(ESvrCreateServer));
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">// Start the server</span>
<a name="l00054"></a>00054 err = pServer->Start(KCountServerName);
<a name="l00055"></a>00055 <span class="keywordflow">if</span> (err != KErrNone)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <a class="code" href="class_c_count_server.html#ac484db8302f90f30a1fbc345412821f">CCountServer::PanicServer</a>(ESvrStartServer);
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// Let everyone know that we are ready to</span>
<a name="l00061"></a>00061 <span class="comment">// deal with requests.</span>
<a name="l00062"></a>00062 RThread::Rendezvous(KErrNone);
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// And start fielding requests from client(s).</span>
<a name="l00065"></a>00065 CActiveScheduler::Start();
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// Tidy up...</span>
<a name="l00068"></a>00068 <span class="keyword">delete</span> pServer;
<a name="l00069"></a>00069 <span class="keyword">delete</span> pScheduler;
<a name="l00070"></a>00070 <span class="keyword">delete</span> cleanup;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">// ...although we should never get here!</span>
<a name="l00073"></a>00073 <span class="keywordflow">return</span> KErrNone;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076
<a name="l00084"></a><a class="code" href="secureclientandserver_8h.html#f110d475e98114c0f2a42b7313af8e67">00084</a> EXPORT_C TInt StartThread(RThread& aServerThread)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 TInt res=KErrNone;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// Create the server, if one with this name does not already exist.</span>
<a name="l00089"></a>00089
<a name="l00090"></a>00090 TFindServer findCountServer(KCountServerName);
<a name="l00091"></a>00091 TFullName name;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="comment">// Need to check that the server exists.</span>
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (findCountServer.Next(name)!=KErrNone)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="comment">// Create the thread for the server.</span>
<a name="l00097"></a>00097 res=aServerThread.Create(KCountServerName,
<a name="l00098"></a>00098 <a class="code" href="class_c_count_server.html#1e24101970d13e02f3a277a59f26fa67">CCountServer::ThreadFunction</a>,
<a name="l00099"></a>00099 KDefaultStackSize,
<a name="l00100"></a>00100 <a class="code" href="secureserver_8h.html#bccd7aceb4760cddd96866248e305f29">KDefaultHeapSize</a>,
<a name="l00101"></a>00101 <a class="code" href="secureserver_8h.html#bccd7aceb4760cddd96866248e305f29">KDefaultHeapSize</a>,
<a name="l00102"></a>00102 NULL
<a name="l00103"></a>00103 );
<a name="l00104"></a>00104 <span class="comment">// The thread has been created OK so get it started - however</span>
<a name="l00105"></a>00105 <span class="comment">// we need to make sure that it has started before we continue.</span>
<a name="l00106"></a>00106 <span class="keywordflow">if</span> (res==KErrNone)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 TRequestStatus rendezvousStatus;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 aServerThread.SetPriority(EPriorityNormal);
<a name="l00111"></a>00111 aServerThread.Rendezvous(rendezvousStatus);
<a name="l00112"></a>00112 aServerThread.Resume();
<a name="l00113"></a>00113 User::WaitForRequest(rendezvousStatus);
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="comment">// The thread has not been created - clearly there's been a problem.</span>
<a name="l00117"></a>00117 <span class="keywordflow">else</span>
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 aServerThread.Close();
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="keywordflow">return</span> res;
<a name="l00123"></a>00123 }
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