Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_eikecho_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/Networking/TcpIp/EchoClientUI/Eikecho.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">// EIKON interface to ECHOENG</span>
<a name="l00015"></a>00015 <span class="comment">// Definitions of CConsoleControl, CEchoAppUi, </span>
<a name="l00016"></a>00016 <span class="comment">// CEchoDocument, CEchoApplication</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include "Eikecho.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <eikstart.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <a class="code" href="class_c_console_control.html">CConsoleControl</a>* CConsoleControl::NewL(<a class="code" href="class_c_echo_engine.html">CEchoEngine</a>* aEchoEngine)
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025 <a class="code" href="class_c_console_control.html">CConsoleControl</a>* <span class="keyword">self</span>=<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_console_control.html">CConsoleControl</a>;
<a name="l00026"></a>00026 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00027"></a>00027 <span class="keyword">self</span>->ConstructL(aEchoEngine);
<a name="l00028"></a>00028 CleanupStack::Pop();
<a name="l00029"></a>00029 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keywordtype">void</span> CConsoleControl::ConstructL(<a class="code" href="class_c_echo_engine.html">CEchoEngine</a>* aEchoEngine)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 iEchoEngine=aEchoEngine;
<a name="l00035"></a>00035 CreateWindowL();
<a name="l00036"></a>00036 Window().SetShadowDisabled(ETrue);
<a name="l00037"></a>00037 Window().SetBackgroundColor(KRgbGray);
<a name="l00038"></a>00038 EnableDragEvents();
<a name="l00039"></a>00039 SetExtentToWholeScreen();
<a name="l00040"></a>00040 SetBlank();
<a name="l00041"></a>00041 iConsole=<span class="keyword">new</span>(ELeave) CEikConsoleScreen;
<a name="l00042"></a>00042 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KEikEcho,<span class="stringliteral">"EikEcho"</span>);
<a name="l00043"></a>00043 iConsole->ConstructL(KEikEcho,0);
<a name="l00044"></a>00044 iConsole->SetHistorySizeL(10,10);
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a>00047 CConsoleControl::~CConsoleControl()
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keyword">delete</span> iConsole;
<a name="l00050"></a>00050 }
<a name="l00054"></a><a class="code" href="class_c_console_control.html#a0a03a5108e06a2a94c37c256f49c71b0">00054</a> <span class="keywordtype">void</span> <a class="code" href="class_c_console_control.html#a0a03a5108e06a2a94c37c256f49c71b0">CConsoleControl::ActivateL</a>()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="code" href="class_c_console_control.html#a0a03a5108e06a2a94c37c256f49c71b0">CCoeControl::ActivateL</a>();
<a name="l00057"></a>00057 iConsole->SetKeepCursorInSight(TRUE);
<a name="l00058"></a>00058 iConsole->DrawCursor();
<a name="l00059"></a>00059 iConsole->ConsoleControl()->SetFocus(ETrue, EDrawNow);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 TKeyResponse CConsoleControl::OfferKeyEventL(<span class="keyword">const</span> TKeyEvent& aKeyEvent,TEventCode aType)
<a name="l00063"></a>00063 <span class="comment">// The key event handler</span>
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keywordflow">if</span> (aType!=EEventKey)
<a name="l00066"></a>00066 <span class="keywordflow">return</span>(EKeyWasConsumed);
<a name="l00067"></a>00067 TInt aChar=aKeyEvent.iCode;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (aChar == <span class="charliteral">'3'</span>)
<a name="l00070"></a>00070 <span class="comment">// Connect using an IP address</span>
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KConnecting1,<span class="stringliteral">"Attempting connection to KInetAddr\n"</span>);
<a name="l00073"></a>00073 iConsole->Printf(KConnecting1);
<a name="l00074"></a>00074 iEchoEngine->ConnectTo(KInetAddr);
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aChar == <span class="charliteral">'2'</span>)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="comment">// Connect using a hostname, calling DNS first to resolve this to an IP address</span>
<a name="l00079"></a>00079 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KConnecting2,<span class="stringliteral">"Attempting connection to KInetHostName\n"</span>);
<a name="l00080"></a>00080 iConsole->Printf(KConnecting2);
<a name="l00081"></a>00081 iEchoEngine->ConnectL(KInetHostName);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aChar == <span class="charliteral">'1'</span>)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="comment">// Connect using an IP address, obtaining the symbolic name for this IP address first.</span>
<a name="l00086"></a>00086 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KConnecting3,<span class="stringliteral">"Testing GetHostByAddress and attempting connection\n"</span>);
<a name="l00087"></a>00087 iConsole->Printf(KConnecting3);
<a name="l00088"></a>00088 iEchoEngine->TestGetByAddrL(KInetAddr);
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 <span class="keywordflow">else</span> iEchoEngine->Write(aChar); <span class="comment">// Send input character to echo server</span>
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">return</span>(EKeyWasConsumed);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095
<a name="l00096"></a>00096
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="comment">// The following functions are to implement MUINotify</span>
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordtype">void</span> CConsoleControl::PrintNotify(<span class="keyword">const</span> TDesC& aDes)
<a name="l00101"></a>00101 <span class="comment">// Print up calls: write information to screen</span>
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 iConsole->Printf(aDes);
<a name="l00104"></a>00104 };
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordtype">void</span> CConsoleControl::PrintNotify(TInt aInt)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 iConsole->Printf(KIntFormat,aInt);
<a name="l00109"></a>00109 };
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">void</span> CConsoleControl::ErrorNotifyL(<span class="keyword">const</span> TDesC& aErrMessage, TInt aErrCode)
<a name="l00112"></a>00112 <span class="comment">// Error up call: inform user and quit</span>
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KErrorTitle,<span class="stringliteral">"Communications error "</span>);
<a name="l00115"></a>00115 TBuf<25> errorTitleCode(KErrorTitle);
<a name="l00116"></a>00116 errorTitleCode.AppendNum(aErrCode);
<a name="l00117"></a>00117 CEikonEnv::Static()->InfoWinL(errorTitleCode,aErrMessage);
<a name="l00118"></a>00118 CBaActiveScheduler::Exit();
<a name="l00119"></a>00119 }
<a name="l00123"></a><a class="code" href="class_c_echo_app_ui.html#a5325c8ff27b2391bfa3891caee9de3da">00123</a> <a class="code" href="class_c_echo_app_ui.html#a5325c8ff27b2391bfa3891caee9de3da">CEchoAppUi::CEchoAppUi</a>(<a class="code" href="class_c_echo_engine.html">CEchoEngine</a>* aEchoEngine)
<a name="l00124"></a>00124 : iEchoEngine(aEchoEngine)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordtype">void</span> CEchoAppUi::ConstructL()
<a name="l00129"></a>00129 <span class="comment">// Set up control and engine</span>
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 BaseConstructL();
<a name="l00132"></a>00132 CreateConsoleL();
<a name="l00133"></a>00133 iEchoEngine->ConstructL(iConsoleControl);
<a name="l00134"></a>00134 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KCommands,<span class="stringliteral">"\nList of Commands:\n\</span>
<a name="l00135"></a>00135 <span class="stringliteral">3 - Test connecting with IP\n\</span>
<a name="l00136"></a>00136 <span class="stringliteral">2 - Test DNS lookup\n\</span>
<a name="l00137"></a>00137 <span class="stringliteral">1 - Test Get hostname from IP address\n\n"</span>);
<a name="l00138"></a>00138
<a name="l00139"></a>00139 iConsoleControl->PrintNotify(KCommands);
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">void</span> CEchoAppUi::CreateConsoleL()
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 iConsoleControl=CConsoleControl::NewL(iEchoEngine);
<a name="l00145"></a>00145 AddToStackL(iConsoleControl);
<a name="l00146"></a>00146 iConsoleControl-><a class="code" href="class_c_console_control.html#a0a03a5108e06a2a94c37c256f49c71b0">ActivateL</a>();
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 CEchoAppUi::~CEchoAppUi()
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 RemoveFromStack(iConsoleControl);
<a name="l00152"></a>00152 <span class="keyword">delete</span> iConsoleControl;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordtype">void</span> CEchoAppUi::HandleCommandL(TInt aCommand)
<a name="l00156"></a>00156 <span class="comment">// Command handling</span>
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <span class="keywordflow">switch</span> (aCommand)
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <span class="comment">// When Exit chosen, stop engine and quit</span>
<a name="l00161"></a>00161 <span class="keywordflow">case</span> EEikCmdExit:
<a name="l00162"></a>00162 iEchoEngine->Stop();
<a name="l00163"></a>00163 Exit();
<a name="l00164"></a>00164 <span class="keywordflow">default</span>:;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">/*</span>
<a name="l00169"></a>00169 <span class="comment"> Two-phase construction</span>
<a name="l00170"></a>00170 <span class="comment"> CEchoDocument: document class, which owns the engine</span>
<a name="l00171"></a>00171 <span class="comment">*/</span>
<a name="l00172"></a>00172 CEchoDocument::CEchoDocument(CEikApplication& aApp)
<a name="l00173"></a>00173 : CEikDocument(aApp) { }
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <a class="code" href="class_c_echo_document.html">CEchoDocument</a>* CEchoDocument::NewL(CEikApplication& aApp)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <a class="code" href="class_c_echo_document.html">CEchoDocument</a>* <span class="keyword">self</span>=<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_echo_document.html">CEchoDocument</a>(aApp);
<a name="l00178"></a>00178 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00179"></a>00179 <span class="keyword">self</span>->ConstructL();
<a name="l00180"></a>00180 CleanupStack::Pop();
<a name="l00181"></a>00181 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordtype">void</span> CEchoDocument::ConstructL()
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 iEchoEngine = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_echo_engine.html">CEchoEngine</a>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 CEchoDocument::~CEchoDocument()
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 <span class="keyword">delete</span> iEchoEngine;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 CEikAppUi* CEchoDocument::CreateAppUiL()
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="keywordflow">return</span>(<span class="keyword">new</span>(ELeave) <a class="code" href="class_c_echo_app_ui.html">CEchoAppUi</a>(iEchoEngine));
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199
<a name="l00200"></a>00200 TUid CEchoApplication::AppDllUid()<span class="keyword"> const</span>
<a name="l00201"></a>00201 <span class="keyword"> </span>{
<a name="l00202"></a>00202 <span class="keywordflow">return</span>(KUidEikEchoApp);
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 CApaDocument* CEchoApplication::CreateDocumentL()
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordflow">return</span> CEchoDocument::NewL(*<span class="keyword">this</span>);
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00213"></a>00213 EXPORT_C CApaApplication* NewApplication()
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordflow">return</span>(<span class="keyword">new</span> <a class="code" href="class_c_echo_application.html">CEchoApplication</a>);
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 GLDEF_C TInt E32Main()
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 <span class="keywordflow">return</span> EikStart::RunApplication(NewApplication);
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
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