Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_client_engine_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/ForumNokia/HTTPClientExample/src/ClientEngine.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2009 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include <avkon.hrh></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <aknnotewrappers.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <aknlists.h></span> <span class="comment">// CAknSinglePopupMenuStyleListBox</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <uri8.h></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <http.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <stringloader.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <chttpformencoder.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <HttpStringConstants.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <http\RHTTPTransaction.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <http\RHTTPSession.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <http\RHTTPHeaders.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <HTTPClientExample.rsg></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <CommDbConnPref.h></span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include "Client.pan"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "Client.hrh"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "ClientEngine.h"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="comment">// Used user agent for requests</span>
<a name="l00024"></a>00024 _LIT8(KUserAgent, <span class="stringliteral">"SimpleClient 1.0"</span>);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// This client accepts all content types.</span>
<a name="l00027"></a>00027 <span class="comment">// (change to e.g. "text/plain" for plain text only)</span>
<a name="l00028"></a>00028 _LIT8(KAccept, <span class="stringliteral">"*/*"</span>);
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextPreferredCarrierAvailable,<span class="stringliteral">"Preferred carrier available"</span>);
<a name="l00031"></a>00031 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextNewCarrierActive, <span class="stringliteral">"New carrier active"</span>);
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">const</span> TInt KStatustextBufferSize = 32;
<a name="l00034"></a>00034 <span class="keyword">const</span> TInt KInfotextBufferSize = 64;
<a name="l00035"></a>00035 <span class="keyword">const</span> TInt KURIBufferSize = 128;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00038"></a>00038 <span class="comment">// CClientEngine::NewL()</span>
<a name="l00039"></a>00039 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00040"></a>00040 <a class="code" href="class_c_client_engine.html">CClientEngine</a>* CClientEngine::NewL(<a class="code" href="class_m_client_observer.html">MClientObserver</a>& aObserver)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <a class="code" href="class_c_client_engine.html">CClientEngine</a>* <span class="keyword">self</span> = CClientEngine::NewLC(aObserver);
<a name="l00043"></a>00043 CleanupStack::Pop(<span class="keyword">self</span>);
<a name="l00044"></a>00044 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00049"></a>00049 <span class="comment">// CClientEngine::NewLC()</span>
<a name="l00050"></a>00050 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00051"></a>00051 <a class="code" href="class_c_client_engine.html">CClientEngine</a>* CClientEngine::NewLC(<a class="code" href="class_m_client_observer.html">MClientObserver</a>& aObserver)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <a class="code" href="class_c_client_engine.html">CClientEngine</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_client_engine.html">CClientEngine</a>(aObserver);
<a name="l00054"></a>00054 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00055"></a>00055 <span class="keyword">self</span>->ConstructL();
<a name="l00056"></a>00056 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00061"></a>00061 <span class="comment">// CClientEngine::CClientEngine()</span>
<a name="l00062"></a>00062 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00063"></a>00063 CClientEngine::CClientEngine(<a class="code" href="class_m_client_observer.html">MClientObserver</a>& aObserver)
<a name="l00064"></a>00064 : CActive(CActive::EPriorityStandard),
<a name="l00065"></a>00065 iObserver(aObserver),
<a name="l00066"></a>00066 iPostData(NULL),
<a name="l00067"></a>00067 iConnectionSetupDone(EFalse),
<a name="l00068"></a>00068 iPrevProfileId(-1),
<a name="l00069"></a>00069 iTransactionOpen(EFalse)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00075"></a>00075 <span class="comment">// CClientEngine::~CClientEngine()</span>
<a name="l00076"></a>00076 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00077"></a>00077 CClientEngine::~CClientEngine()
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 Cancel();
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (iTransactionOpen)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 iTransaction.Close();
<a name="l00084"></a>00084 iTransactionOpen = EFalse;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (iMobility)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 iMobility->Cancel();
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 <span class="keyword">delete</span> iMobility;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 iSession.Close();
<a name="l00094"></a>00094 iConnection.Close();
<a name="l00095"></a>00095 iSocketServ.Close();
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">delete</span> iPostData;
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">delete</span> iUri;
<a name="l00100"></a>00100 <span class="keyword">delete</span> iContentType;
<a name="l00101"></a>00101 <span class="keyword">delete</span> iBody;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00106"></a>00106 <span class="comment">// CClientEngine::ConstructL()</span>
<a name="l00107"></a>00107 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00108"></a>00108 <span class="keywordtype">void</span> CClientEngine::ConstructL()
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 CActiveScheduler::Add(<span class="keyword">this</span>);
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00115"></a>00115 <span class="comment">// CClientEngine::SetupConnectionL()</span>
<a name="l00116"></a>00116 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00117"></a>00117 <span class="keywordtype">void</span> CClientEngine::SetupConnectionL()
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="keywordflow">if</span> (iConnectionSetupDone)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="comment">// Connection setup is done</span>
<a name="l00122"></a>00122 User::Leave(KErrAlreadyExists);
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (IsActive())
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 User::Leave(KErrInUse);
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// Open HTTP Session</span>
<a name="l00130"></a>00130 iSession.OpenL();
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="comment">// Install this class as the callback for authentication requests. When</span>
<a name="l00133"></a>00133 <span class="comment">// page requires authentication the framework calls GetCredentialsL to get</span>
<a name="l00134"></a>00134 <span class="comment">// user name and password.</span>
<a name="l00135"></a>00135 InstallAuthenticationL(iSession);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// Open CCmApplicationSettingsUi</span>
<a name="l00138"></a>00138 TCmSettingSelection userSelection;
<a name="l00139"></a>00139 CCmApplicationSettingsUi* settings = CCmApplicationSettingsUi::NewL();
<a name="l00140"></a>00140 CleanupStack::PushL(settings);
<a name="l00141"></a>00141 TUint listedItems = CMManager::EShowAlwaysAsk |
<a name="l00142"></a>00142 CMManager::EShowDefaultConnection |
<a name="l00143"></a>00143 CMManager::EShowDestinations |
<a name="l00144"></a>00144 CMManager::EShowConnectionMethods;
<a name="l00145"></a>00145 TBearerFilterArray filter;
<a name="l00146"></a>00146 TBool selected = settings->RunApplicationSettingsL(userSelection,listedItems,filter);
<a name="l00147"></a>00147 CleanupStack::PopAndDestroy(settings);
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="comment">// Check selection</span>
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (selected) {
<a name="l00151"></a>00151 <span class="keywordflow">switch</span> (userSelection.iResult)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="keywordflow">case</span> CMManager::EDestination:
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 TConnSnapPref prefs;
<a name="l00156"></a>00156 prefs.SetSnap(userSelection.iId);
<a name="l00157"></a>00157
<a name="l00158"></a>00158 User::LeaveIfError(iSocketServ.Connect());
<a name="l00159"></a>00159 User::LeaveIfError(iConnection.Open(iSocketServ));
<a name="l00160"></a>00160 iConnection.Start(prefs, iStatus);
<a name="l00161"></a>00161 <span class="keywordflow">break</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 <span class="keywordflow">case</span> CMManager::EConnectionMethod:
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 TCommDbConnPref prefs;
<a name="l00166"></a>00166 prefs.SetIapId(userSelection.iId);
<a name="l00167"></a>00167 prefs.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 User::LeaveIfError(iSocketServ.Connect());
<a name="l00170"></a>00170 User::LeaveIfError(iConnection.Open(iSocketServ));
<a name="l00171"></a>00171 iConnection.Start(prefs, iStatus);
<a name="l00172"></a>00172 <span class="keywordflow">break</span>;
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">case</span> CMManager::EDefaultConnection:
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 User::LeaveIfError(iSocketServ.Connect());
<a name="l00177"></a>00177 User::LeaveIfError(iConnection.Open(iSocketServ));
<a name="l00178"></a>00178 iConnection.Start(iStatus);
<a name="l00179"></a>00179 <span class="keywordflow">break</span>;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 <span class="keywordflow">default</span>: <span class="comment">// EAlwaysAsk</span>
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 TCommDbConnPref prefs;
<a name="l00184"></a>00184 prefs.SetDialogPreference(ECommDbDialogPrefPrompt);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 User::LeaveIfError(iSocketServ.Connect());
<a name="l00187"></a>00187 User::LeaveIfError(iConnection.Open(iSocketServ));
<a name="l00188"></a>00188 iConnection.Start(prefs, iStatus);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 SetActive();
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00197"></a>00197 <span class="comment">// CClientEngine::FindExistingConnection()</span>
<a name="l00198"></a>00198 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00199"></a>00199 TBool CClientEngine::FindExistingConnection()
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <span class="comment">// NOTE: this method is not in use</span>
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// Enumerates through existing connections and tries to find one that matches</span>
<a name="l00204"></a>00204 <span class="comment">// the selected IAP. If one is found, ETrue is returned; otherwise, EFalse.</span>
<a name="l00205"></a>00205 TBool connected = EFalse;
<a name="l00206"></a>00206 TConnectionInfoBuf connInfo;
<a name="l00207"></a>00207 TUint count;
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (iConnection.EnumerateConnections(count) == KErrNone)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="keywordflow">for</span> (TUint i=1; i<=count; i++)
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="comment">// Note: GetConnectionInfo expects 1-based index.</span>
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (iConnection.GetConnectionInfo(i, connInfo) == KErrNone)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordflow">if</span> (connInfo().iIapId == iSelectedIap)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 connected = ETrue;
<a name="l00218"></a>00218 <span class="keywordflow">break</span>;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223 <span class="keywordflow">return</span> connected;
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00227"></a>00227 <span class="comment">// CClientEngine::SetHeaderL()</span>
<a name="l00228"></a>00228 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00229"></a>00229 <span class="keywordtype">void</span> CClientEngine::SetHeaderL(RHTTPHeaders aHeaders,
<a name="l00230"></a>00230 TInt aHdrField,
<a name="l00231"></a>00231 <span class="keyword">const</span> TDesC8& aHdrValue)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 RStringF valStr = iSession.StringPool().OpenFStringL(aHdrValue);
<a name="l00234"></a>00234 CleanupClosePushL(valStr);
<a name="l00235"></a>00235 THTTPHdrVal val(valStr);
<a name="l00236"></a>00236 aHeaders.SetFieldL(iSession.StringPool().StringF(aHdrField,
<a name="l00237"></a>00237 RHTTPSession::GetTable()), val);
<a name="l00238"></a>00238 CleanupStack::PopAndDestroy(); <span class="comment">// valStr</span>
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00243"></a>00243 <span class="comment">// CClientEngine::IssueHTTPGetL()</span>
<a name="l00244"></a>00244 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00245"></a>00245 <span class="keywordtype">void</span> CClientEngine::IssueHTTPGetL(<span class="keyword">const</span> TDesC8& aUri)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (IsActive())
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 <span class="keywordflow">return</span>;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251
<a name="l00252"></a>00252 iEngineState = EGet;
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keyword">delete</span> iUri; iUri = NULL;
<a name="l00255"></a>00255 <span class="keyword">delete</span> iContentType; iContentType = NULL;
<a name="l00256"></a>00256 <span class="keyword">delete</span> iBody; iBody = NULL;
<a name="l00257"></a>00257
<a name="l00258"></a>00258 iUri = aUri.AllocL();
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// Create HTTP connection</span>
<a name="l00261"></a>00261 TRAPD(err, SetupConnectionL());
<a name="l00262"></a>00262 <span class="keywordflow">if</span> (err == KErrAlreadyExists)
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 DoHTTPGetL();
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err != KErrNone)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 HBufC* resTxCancelled = StringLoader::LoadLC(R_HTTP_TX_CANCELLED);
<a name="l00269"></a>00269 iObserver.ClientEvent(*resTxCancelled);
<a name="l00270"></a>00270 CleanupStack::PopAndDestroy(resTxCancelled);
<a name="l00271"></a>00271 <span class="keywordflow">return</span>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00277"></a>00277 <span class="comment">// CClientEngine::DoHTTPGetL()</span>
<a name="l00278"></a>00278 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00279"></a>00279 <span class="keywordtype">void</span> CClientEngine::DoHTTPGetL()
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 <span class="comment">// Parse string to URI (as defined in RFC2396)</span>
<a name="l00282"></a>00282 TUriParser8 uri;
<a name="l00283"></a>00283 uri.Parse(*iUri);
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="comment">// Get request method string for HTTP GET</span>
<a name="l00286"></a>00286 RStringF method = iSession.StringPool().StringF(HTTP::EGET,RHTTPSession::GetTable());
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">// Open transaction with previous method and parsed uri. This class will</span>
<a name="l00289"></a>00289 <span class="comment">// receive transaction events in MHFRunL and MHFRunError.</span>
<a name="l00290"></a>00290 iTransaction = iSession.OpenTransactionL(uri, *<span class="keyword">this</span>, method);
<a name="l00291"></a>00291 iTransactionOpen = ETrue;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">// Set headers for request; user agent and accepted content type</span>
<a name="l00294"></a>00294 RHTTPHeaders hdr = iTransaction.Request().GetHeaderCollection();
<a name="l00295"></a>00295 SetHeaderL(hdr, HTTP::EUserAgent, KUserAgent);
<a name="l00296"></a>00296 SetHeaderL(hdr, HTTP::EAccept, KAccept);
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="comment">// Submit the transaction. After this the framework will give transaction</span>
<a name="l00299"></a>00299 <span class="comment">// events via MHFRunL and MHFRunError.</span>
<a name="l00300"></a>00300 iTransaction.SubmitL();
<a name="l00301"></a>00301
<a name="l00302"></a>00302 HBufC* resConnecting = StringLoader::LoadLC(R_HTTP_CONNECTING);
<a name="l00303"></a>00303 iObserver.ClientEvent(*resConnecting);
<a name="l00304"></a>00304 CleanupStack::PopAndDestroy(resConnecting);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00309"></a>00309 <span class="comment">// CClientEngine::IssueHTTPPostL()</span>
<a name="l00310"></a>00310 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00311"></a>00311 <span class="keywordtype">void</span> CClientEngine::IssueHTTPPostL(<span class="keyword">const</span> TDesC8& aUri,
<a name="l00312"></a>00312 <span class="keyword">const</span> TDesC8& aContentType,
<a name="l00313"></a>00313 <span class="keyword">const</span> TDesC8& aBody)
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (IsActive())
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <span class="keywordflow">return</span>;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320 iEngineState = EPost;
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keyword">delete</span> iUri; iUri = NULL;
<a name="l00323"></a>00323 <span class="keyword">delete</span> iContentType; iContentType = NULL;
<a name="l00324"></a>00324 <span class="keyword">delete</span> iBody; iBody = NULL;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 iUri = aUri.AllocL();
<a name="l00327"></a>00327 iContentType = aContentType.AllocL();
<a name="l00328"></a>00328 iBody = aBody.AllocL();
<a name="l00329"></a>00329
<a name="l00330"></a>00330 <span class="comment">// Create HTTP connection</span>
<a name="l00331"></a>00331 TRAPD(err, SetupConnectionL());
<a name="l00332"></a>00332 <span class="keywordflow">if</span> (err == KErrAlreadyExists)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 DoHTTPPostL();
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err != KErrNone)
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 HBufC* resTxCancelled = StringLoader::LoadLC(R_HTTP_TX_CANCELLED);
<a name="l00339"></a>00339 iObserver.ClientEvent(*resTxCancelled);
<a name="l00340"></a>00340 CleanupStack::PopAndDestroy(resTxCancelled);
<a name="l00341"></a>00341 <span class="keywordflow">return</span>;
<a name="l00342"></a>00342 }
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00346"></a>00346 <span class="comment">// CClientEngine::DoHTTPPostL()</span>
<a name="l00347"></a>00347 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00348"></a>00348 <span class="keywordtype">void</span> CClientEngine::DoHTTPPostL()
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 <span class="comment">// Parse string to URI</span>
<a name="l00351"></a>00351 TUriParser8 uri;
<a name="l00352"></a>00352 uri.Parse(*iUri);
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="comment">// Copy data to be posted into member variable; iPostData is used later in</span>
<a name="l00355"></a>00355 <span class="comment">// methods inherited from MHTTPDataSupplier.</span>
<a name="l00356"></a>00356 <span class="keyword">delete</span> iPostData;
<a name="l00357"></a>00357 iPostData = 0;
<a name="l00358"></a>00358 iPostData = iBody->AllocL();
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="comment">// Get request method string for HTTP POST</span>
<a name="l00361"></a>00361 RStringF method = iSession.StringPool().StringF(HTTP::EPOST,RHTTPSession::GetTable());
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="comment">// Open transaction with previous method and parsed uri. This class will</span>
<a name="l00364"></a>00364 <span class="comment">// receive transaction events in MHFRunL and MHFRunError.</span>
<a name="l00365"></a>00365 iTransaction = iSession.OpenTransactionL(uri, *<span class="keyword">this</span>, method);
<a name="l00366"></a>00366 iTransactionOpen = ETrue;
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="comment">// Set headers for request; user agent, accepted content type and body's</span>
<a name="l00369"></a>00369 <span class="comment">// content type.</span>
<a name="l00370"></a>00370 RHTTPHeaders hdr = iTransaction.Request().GetHeaderCollection();
<a name="l00371"></a>00371 SetHeaderL(hdr, HTTP::EUserAgent, KUserAgent);
<a name="l00372"></a>00372 SetHeaderL(hdr, HTTP::EAccept, KAccept);
<a name="l00373"></a>00373 SetHeaderL(hdr, HTTP::EContentType, *iContentType);
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="comment">// Set this class as an data supplier. Inherited MHTTPDataSupplier methods</span>
<a name="l00376"></a>00376 <span class="comment">// are called when framework needs to send body data.</span>
<a name="l00377"></a>00377 MHTTPDataSupplier* dataSupplier = <span class="keyword">this</span>;
<a name="l00378"></a>00378 iTransaction.Request().SetBody(*dataSupplier);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="comment">// Submit the transaction. After this the framework will give transaction</span>
<a name="l00381"></a>00381 <span class="comment">// events via MHFRunL and MHFRunError.</span>
<a name="l00382"></a>00382 iTransaction.SubmitL();
<a name="l00383"></a>00383
<a name="l00384"></a>00384 HBufC* resConnecting = StringLoader::LoadLC(R_HTTP_CONNECTING);
<a name="l00385"></a>00385 iObserver.ClientEvent(*resConnecting);
<a name="l00386"></a>00386 CleanupStack::PopAndDestroy(resConnecting);
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00390"></a>00390 <span class="comment">// CClientEngine::CancelTransaction()</span>
<a name="l00391"></a>00391 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00392"></a>00392 <span class="keywordtype">void</span> CClientEngine::CancelTransaction()
<a name="l00393"></a>00393 {
<a name="l00394"></a>00394 iEngineState = EIdle;
<a name="l00395"></a>00395 <span class="keyword">delete</span> iUri; iUri = NULL;
<a name="l00396"></a>00396 <span class="keyword">delete</span> iContentType; iContentType = NULL;
<a name="l00397"></a>00397 <span class="keyword">delete</span> iBody; iBody = NULL;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="comment">// Close() also cancels transaction (Cancel() can also be used but</span>
<a name="l00400"></a>00400 <span class="comment">// resources allocated by transaction must be still freed with Close())</span>
<a name="l00401"></a>00401 <span class="keywordflow">if</span> (iTransactionOpen)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 iTransaction.Close();
<a name="l00404"></a>00404 iTransactionOpen = EFalse;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 HBufC* resTxCancelled = StringLoader::LoadLC(R_HTTP_TX_CANCELLED);
<a name="l00407"></a>00407 iObserver.ClientEvent(*resTxCancelled);
<a name="l00408"></a>00408 CleanupStack::PopAndDestroy(resTxCancelled);
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00414"></a>00414 <span class="comment">// CClientEngine::MHFRunL()</span>
<a name="l00415"></a>00415 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00416"></a>00416 <span class="keywordtype">void</span> CClientEngine::MHFRunL(RHTTPTransaction aTransaction,
<a name="l00417"></a>00417 <span class="keyword">const</span> THTTPEvent& aEvent)
<a name="l00418"></a>00418 {
<a name="l00419"></a>00419 <span class="keywordflow">switch</span> (aEvent.iStatus)
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 <span class="keywordflow">case</span> THTTPEvent::EGotResponseHeaders:
<a name="l00422"></a>00422 {
<a name="l00423"></a>00423 <span class="comment">// HTTP response headers have been received. Use</span>
<a name="l00424"></a>00424 <span class="comment">// aTransaction.Response() to get the response. However, it's not</span>
<a name="l00425"></a>00425 <span class="comment">// necessary to do anything with the response when this event occurs.</span>
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <span class="comment">// Get HTTP status code from header (e.g. 200)</span>
<a name="l00428"></a>00428 RHTTPResponse resp = aTransaction.Response();
<a name="l00429"></a>00429 TInt status = resp.StatusCode();
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="comment">// Get status text (e.g. "OK")</span>
<a name="l00432"></a>00432 TBuf<KStatustextBufferSize> statusText;
<a name="l00433"></a>00433 statusText.Copy(resp.StatusText().DesC());
<a name="l00434"></a>00434
<a name="l00435"></a>00435 HBufC* resHeaderReceived = StringLoader::LoadLC(R_HTTP_HEADER_RECEIVED, statusText, status);
<a name="l00436"></a>00436 iObserver.ClientEvent(*resHeaderReceived);
<a name="l00437"></a>00437 CleanupStack::PopAndDestroy(resHeaderReceived);
<a name="l00438"></a>00438 <span class="keywordflow">break</span>;
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440
<a name="l00441"></a>00441 <span class="keywordflow">case</span> THTTPEvent::EGotResponseBodyData:
<a name="l00442"></a>00442 {
<a name="l00443"></a>00443 <span class="comment">// Part (or all) of response's body data received. Use</span>
<a name="l00444"></a>00444 <span class="comment">// aTransaction.Response().Body()->GetNextDataPart() to get the actual</span>
<a name="l00445"></a>00445 <span class="comment">// body data.</span>
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="comment">// Get the body data supplier</span>
<a name="l00448"></a>00448 MHTTPDataSupplier* body = aTransaction.Response().Body();
<a name="l00449"></a>00449 TPtrC8 dataChunk;
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="comment">// GetNextDataPart() returns ETrue, if the received part is the last</span>
<a name="l00452"></a>00452 <span class="comment">// one.</span>
<a name="l00453"></a>00453 TBool isLast = body->GetNextDataPart(dataChunk);
<a name="l00454"></a>00454 iObserver.ClientBodyReceived(dataChunk);
<a name="l00455"></a>00455
<a name="l00456"></a>00456 HBufC* resBytesReceived = StringLoader::LoadLC(R_HTTP_BYTES_RECEIVED, dataChunk.Length());
<a name="l00457"></a>00457 iObserver.ClientEvent(*resBytesReceived);
<a name="l00458"></a>00458 CleanupStack::PopAndDestroy(resBytesReceived);
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="comment">// NOTE: isLast may not be ETrue even if last data part received.</span>
<a name="l00461"></a>00461 <span class="comment">// (e.g. multipart response without content length field)</span>
<a name="l00462"></a>00462 <span class="comment">// Use EResponseComplete to reliably determine when body is completely</span>
<a name="l00463"></a>00463 <span class="comment">// received.</span>
<a name="l00464"></a>00464 <span class="keywordflow">if</span> (isLast)
<a name="l00465"></a>00465 {
<a name="l00466"></a>00466 HBufC* resBodyReceived = StringLoader::LoadLC(R_HTTP_BODY_RECEIVED);
<a name="l00467"></a>00467 iObserver.ClientEvent(*resBodyReceived);
<a name="l00468"></a>00468 CleanupStack::PopAndDestroy(resBodyReceived);
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="comment">// Always remember to release the body data.</span>
<a name="l00472"></a>00472 body->ReleaseData();
<a name="l00473"></a>00473 <span class="keywordflow">break</span>;
<a name="l00474"></a>00474 }
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <span class="keywordflow">case</span> THTTPEvent::EResponseComplete:
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 <span class="comment">// Indicates that header & body of response is completely received.</span>
<a name="l00479"></a>00479 <span class="comment">// No further action here needed.</span>
<a name="l00480"></a>00480 HBufC* resTxComplete = StringLoader::LoadLC(R_HTTP_TX_COMPLETE);
<a name="l00481"></a>00481 iObserver.ClientEvent(*resTxComplete);
<a name="l00482"></a>00482 CleanupStack::PopAndDestroy(resTxComplete);
<a name="l00483"></a>00483 <span class="keywordflow">break</span>;
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485
<a name="l00486"></a>00486 <span class="keywordflow">case</span> THTTPEvent::ESucceeded:
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 <span class="comment">// Indicates that transaction succeeded.</span>
<a name="l00489"></a>00489 HBufC* resTxSuccessful = StringLoader::LoadLC(R_HTTP_TX_SUCCESSFUL);
<a name="l00490"></a>00490 iObserver.ClientEvent(*resTxSuccessful);
<a name="l00491"></a>00491 CleanupStack::PopAndDestroy(resTxSuccessful);
<a name="l00492"></a>00492
<a name="l00493"></a>00493 <span class="comment">// Transaction can be closed now. It's not needed anymore.</span>
<a name="l00494"></a>00494 aTransaction.Close();
<a name="l00495"></a>00495 iTransactionOpen = EFalse;
<a name="l00496"></a>00496 <span class="keywordflow">break</span>;
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="keywordflow">case</span> THTTPEvent::EFailed:
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 <span class="comment">// Transaction completed with failure.</span>
<a name="l00502"></a>00502 HBufC* resTxFailed = StringLoader::LoadLC(R_HTTP_TX_FAILED);
<a name="l00503"></a>00503 iObserver.ClientEvent(*resTxFailed);
<a name="l00504"></a>00504 CleanupStack::PopAndDestroy(resTxFailed);
<a name="l00505"></a>00505 aTransaction.Close();
<a name="l00506"></a>00506 iTransactionOpen = EFalse;
<a name="l00507"></a>00507 <span class="keywordflow">break</span>;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="keywordflow">default</span>:
<a name="l00511"></a>00511 <span class="comment">// There are more events in THTTPEvent, but they are not usually</span>
<a name="l00512"></a>00512 <span class="comment">// needed. However, event status smaller than zero should be handled</span>
<a name="l00513"></a>00513 <span class="comment">// correctly since it's error.</span>
<a name="l00514"></a>00514 {
<a name="l00515"></a>00515 <span class="keywordflow">if</span> (aEvent.iStatus < 0)
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 HBufC* resNoInternetConnection = StringLoader::LoadLC(
<a name="l00518"></a>00518 R_HTTP_NO_INTERNET_CONNECTION, aEvent.iStatus);
<a name="l00519"></a>00519 iObserver.ClientEvent(*resNoInternetConnection);
<a name="l00520"></a>00520 CleanupStack::PopAndDestroy(resNoInternetConnection);
<a name="l00521"></a>00521
<a name="l00522"></a>00522 <span class="comment">// Close the transaction on errors</span>
<a name="l00523"></a>00523 aTransaction.Close();
<a name="l00524"></a>00524 iTransactionOpen = EFalse;
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526 <span class="keywordflow">break</span>;
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530
<a name="l00531"></a>00531
<a name="l00532"></a>00532 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00533"></a>00533 <span class="comment">// CClientEngine::IsRunning()</span>
<a name="l00534"></a>00534 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00535"></a>00535 TBool CClientEngine::IsRunning()
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordflow">if</span> (IsActive())
<a name="l00538"></a>00538 <span class="keywordflow">return</span> ETrue;
<a name="l00539"></a>00539 <span class="keywordflow">else</span>
<a name="l00540"></a>00540 <span class="keywordflow">return</span> EFalse;
<a name="l00541"></a>00541 }
<a name="l00542"></a>00542
<a name="l00543"></a>00543 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00544"></a>00544 <span class="comment">// CClientEngine::MHFRunError()</span>
<a name="l00545"></a>00545 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00546"></a>00546 TInt CClientEngine::MHFRunError(TInt aError,
<a name="l00547"></a>00547 RHTTPTransaction <span class="comment">/*aTransaction*/</span>,
<a name="l00548"></a>00548 <span class="keyword">const</span> THTTPEvent& <span class="comment">/*aEvent*/</span>)
<a name="l00549"></a>00549 {
<a name="l00550"></a>00550 <span class="comment">// Just notify about the error and return KErrNone.</span>
<a name="l00551"></a>00551 HBufC* resMHFRunError = StringLoader::LoadLC(R_HTTP_MHFRUN_ERROR, aError);
<a name="l00552"></a>00552 iObserver.ClientEvent(*resMHFRunError);
<a name="l00553"></a>00553 CleanupStack::PopAndDestroy(resMHFRunError);
<a name="l00554"></a>00554 <span class="keywordflow">return</span> KErrNone;
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00559"></a>00559 <span class="comment">// CClientEngine::GetNextDataPart()</span>
<a name="l00560"></a>00560 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00561"></a>00561 TBool CClientEngine::GetNextDataPart(TPtrC8& aDataPart)
<a name="l00562"></a>00562 {
<a name="l00563"></a>00563 <span class="keywordflow">if</span>(iPostData)
<a name="l00564"></a>00564 {
<a name="l00565"></a>00565 <span class="comment">// Provide pointer to next chunk of data (return ETrue, if last chunk)</span>
<a name="l00566"></a>00566 <span class="comment">// Usually only one chunk is needed, but sending big file could require</span>
<a name="l00567"></a>00567 <span class="comment">// loading the file in small parts.</span>
<a name="l00568"></a>00568 aDataPart.Set(iPostData->Des());
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570 <span class="keywordflow">return</span> ETrue;
<a name="l00571"></a>00571 }
<a name="l00572"></a>00572
<a name="l00573"></a>00573
<a name="l00574"></a>00574 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00575"></a>00575 <span class="comment">// CClientEngine::ReleaseData()</span>
<a name="l00576"></a>00576 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00577"></a>00577 <span class="keywordtype">void</span> CClientEngine::ReleaseData()
<a name="l00578"></a>00578 {
<a name="l00579"></a>00579 <span class="comment">// It's safe to delete iPostData now.</span>
<a name="l00580"></a>00580 <span class="keyword">delete</span> iPostData;
<a name="l00581"></a>00581 iPostData = NULL;
<a name="l00582"></a>00582 }
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00585"></a>00585 <span class="comment">// CClientEngine::Reset()</span>
<a name="l00586"></a>00586 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00587"></a>00587 TInt CClientEngine::Reset()
<a name="l00588"></a>00588 {
<a name="l00589"></a>00589 <span class="comment">// Nothing needed since iPostData still exists and contains all the data.</span>
<a name="l00590"></a>00590 <span class="comment">// (If a file is used and read in small parts we should seek to beginning</span>
<a name="l00591"></a>00591 <span class="comment">// of file and provide the first chunk again in GetNextDataPart() )</span>
<a name="l00592"></a>00592 <span class="keywordflow">return</span> KErrNone;
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594
<a name="l00595"></a>00595
<a name="l00596"></a>00596 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00597"></a>00597 <span class="comment">// CClientEngine::OverallDataSize()</span>
<a name="l00598"></a>00598 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00599"></a>00599 TInt CClientEngine::OverallDataSize()
<a name="l00600"></a>00600 {
<a name="l00601"></a>00601 <span class="keywordflow">if</span>(iPostData)
<a name="l00602"></a>00602 <span class="keywordflow">return</span> iPostData->Length();
<a name="l00603"></a>00603 <span class="keywordflow">else</span>
<a name="l00604"></a>00604 <span class="keywordflow">return</span> KErrNotFound ;
<a name="l00605"></a>00605 }
<a name="l00606"></a>00606
<a name="l00607"></a>00607 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00608"></a>00608 <span class="comment">// CClientEngine::GetCredentialsL()</span>
<a name="l00609"></a>00609 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00610"></a>00610 TBool CClientEngine::GetCredentialsL(<span class="keyword">const</span> TUriC8& aURI,
<a name="l00611"></a>00611 RString aRealm,
<a name="l00612"></a>00612 RStringF aAuthenticationType,
<a name="l00613"></a>00613 RString& aUsername,
<a name="l00614"></a>00614 RString& aPassword)
<a name="l00615"></a>00615 {
<a name="l00616"></a>00616 <span class="comment">// aURI, aReal and aAuthenticationType are informational only. We only need</span>
<a name="l00617"></a>00617 <span class="comment">// to set aUsername and aPassword and return ETrue, if aUsername and</span>
<a name="l00618"></a>00618 <span class="comment">// aPassword are provided by user.</span>
<a name="l00619"></a>00619
<a name="l00620"></a>00620 <span class="comment">// Buffer for string parameters that may change order</span>
<a name="l00621"></a>00621 CDesCArrayFlat* strings = <span class="keyword">new</span> CDesCArrayFlat(2);
<a name="l00622"></a>00622 CleanupStack::PushL(strings);
<a name="l00623"></a>00623
<a name="l00624"></a>00624 <span class="comment">// Initialize parameter buffer</span>
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="comment">// First parameter</span>
<a name="l00627"></a>00627 HBufC* uri16 = HBufC::NewLC(aURI.UriDes().Length());
<a name="l00628"></a>00628 uri16->Des().Copy(aURI.UriDes());
<a name="l00629"></a>00629 strings->AppendL(*uri16);
<a name="l00630"></a>00630 CleanupStack::PopAndDestroy(uri16);
<a name="l00631"></a>00631
<a name="l00632"></a>00632 <span class="comment">// Second parameter</span>
<a name="l00633"></a>00633 HBufC* authType16 = HBufC::NewLC(aAuthenticationType.DesC().Length());
<a name="l00634"></a>00634 authType16->Des().Copy(aAuthenticationType.DesC());
<a name="l00635"></a>00635 strings->AppendL(*authType16);
<a name="l00636"></a>00636 CleanupStack::PopAndDestroy(authType16);
<a name="l00637"></a>00637
<a name="l00638"></a>00638 HBufC* resAuthNote = StringLoader::LoadLC(R_HTTP_AUTH_NOTE, *strings);
<a name="l00639"></a>00639 HBufC* resAuthRequired = StringLoader::LoadLC(R_HTTP_AUTH_REQUIRED);
<a name="l00640"></a>00640 CEikonEnv::Static()->InfoWinL(*resAuthRequired, *resAuthNote);
<a name="l00641"></a>00641
<a name="l00642"></a>00642 CleanupStack::PopAndDestroy(resAuthNote);
<a name="l00643"></a>00643 CleanupStack::PopAndDestroy(resAuthRequired);
<a name="l00644"></a>00644
<a name="l00645"></a>00645 <span class="comment">// Query user name and password</span>
<a name="l00646"></a>00646 TBuf<KDefaultBufferSize> userName;
<a name="l00647"></a>00647 TBuf<KDefaultBufferSize> password;
<a name="l00648"></a>00648 CAknMultiLineDataQueryDialog* dlg =
<a name="l00649"></a>00649 CAknMultiLineDataQueryDialog::NewL(userName, password);
<a name="l00650"></a>00650
<a name="l00651"></a>00651 <span class="keywordflow">if</span> (!dlg->ExecuteLD(R_DIALOG_USER_PASSWORD_QUERY))
<a name="l00652"></a>00652 <span class="keywordflow">return</span> EFalse; <span class="comment">// No credentials given; must return EFalse</span>
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="comment">// Set aUsername and aPassword</span>
<a name="l00655"></a>00655 TBuf8<KDefaultBufferSize> temp;
<a name="l00656"></a>00656 temp.Copy(userName);
<a name="l00657"></a>00657 TRAPD(err, aUsername = aRealm.Pool().OpenStringL(temp));
<a name="l00658"></a>00658 <span class="keywordflow">if</span> (!err)
<a name="l00659"></a>00659 {
<a name="l00660"></a>00660 temp.Copy(password);
<a name="l00661"></a>00661 TRAP(err, aPassword = aRealm.Pool().OpenStringL(temp));
<a name="l00662"></a>00662 <span class="keywordflow">if</span> (!err) <span class="keywordflow">return</span> ETrue;
<a name="l00663"></a>00663 }
<a name="l00664"></a>00664
<a name="l00665"></a>00665 <span class="comment">// Return ETrue if user has given credentials (username and password),</span>
<a name="l00666"></a>00666 <span class="comment">// otherwise EFlase</span>
<a name="l00667"></a>00667 <span class="keywordflow">return</span> EFalse;
<a name="l00668"></a>00668 }
<a name="l00669"></a>00669
<a name="l00670"></a>00670 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00671"></a>00671 <span class="comment">// CClientEngine::PreferredCarrierAvailable()</span>
<a name="l00672"></a>00672 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00673"></a>00673 <span class="keywordtype">void</span> CClientEngine::PreferredCarrierAvailable(TAccessPointInfo <span class="comment">/*aOldAPInfo*/</span>,
<a name="l00674"></a>00674 TAccessPointInfo <span class="comment">/*aNewAPInfo*/</span>,
<a name="l00675"></a>00675 TBool <span class="comment">/*aIsUpgrade*/</span>,
<a name="l00676"></a>00676 TBool aIsSeamless)
<a name="l00677"></a>00677 {
<a name="l00678"></a>00678 <span class="keywordflow">if</span> (!aIsSeamless)
<a name="l00679"></a>00679 {
<a name="l00680"></a>00680 iMobility->MigrateToPreferredCarrier();
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683
<a name="l00684"></a>00684 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00685"></a>00685 <span class="comment">// CClientEngine::NewCarrierActive()</span>
<a name="l00686"></a>00686 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00687"></a>00687 <span class="keywordtype">void</span> CClientEngine::NewCarrierActive(TAccessPointInfo <span class="comment">/*aNewAPInfo*/</span>,
<a name="l00688"></a>00688 TBool aIsSeamless)
<a name="l00689"></a>00689 {
<a name="l00690"></a>00690 <span class="keywordflow">if</span> (!aIsSeamless)
<a name="l00691"></a>00691 {
<a name="l00692"></a>00692 iMobility->NewCarrierAccepted();
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694 }
<a name="l00695"></a>00695
<a name="l00696"></a>00696 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00697"></a>00697 <span class="comment">// CClientEngine::Error()</span>
<a name="l00698"></a>00698 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00699"></a>00699 <span class="keywordtype">void</span> CClientEngine::Error(TInt <span class="comment">/*aError*/</span>)
<a name="l00700"></a>00700 {
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00703"></a>00703 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00704"></a>00704 <span class="comment">// CClientEngine::DoCancel()</span>
<a name="l00705"></a>00705 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00706"></a>00706 <span class="keywordtype">void</span> CClientEngine::DoCancel()
<a name="l00707"></a>00707 {
<a name="l00708"></a>00708 iConnection.Stop();
<a name="l00709"></a>00709 }
<a name="l00710"></a>00710
<a name="l00711"></a>00711 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00712"></a>00712 <span class="comment">// CClientEngine::RunL()</span>
<a name="l00713"></a>00713 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00714"></a>00714 <span class="keywordtype">void</span> CClientEngine::RunL()
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 TInt statusCode = iStatus.Int();
<a name="l00717"></a>00717
<a name="l00718"></a>00718 <span class="keywordflow">if</span> (!iConnectionSetupDone && statusCode == KErrNone)
<a name="l00719"></a>00719 {
<a name="l00720"></a>00720 <span class="comment">// Connection done ok</span>
<a name="l00721"></a>00721 iConnectionSetupDone = ETrue;
<a name="l00722"></a>00722 <span class="comment">// Register for mobility API</span>
<a name="l00723"></a>00723 iMobility = CActiveCommsMobilityApiExt::NewL(iConnection, *<span class="keyword">this</span>);
<a name="l00724"></a>00724 <span class="comment">// Start selected HTTP action</span>
<a name="l00725"></a>00725 <span class="keywordflow">switch</span> (iEngineState)
<a name="l00726"></a>00726 {
<a name="l00727"></a>00727 <span class="keywordflow">case</span> EIdle:
<a name="l00728"></a>00728 {
<a name="l00729"></a>00729 CancelTransaction();
<a name="l00730"></a>00730 <span class="keywordflow">break</span>;
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 <span class="keywordflow">case</span> EGet:
<a name="l00733"></a>00733 {
<a name="l00734"></a>00734 DoHTTPGetL();
<a name="l00735"></a>00735 <span class="keywordflow">break</span>;
<a name="l00736"></a>00736 }
<a name="l00737"></a>00737 <span class="keywordflow">case</span> EPost:
<a name="l00738"></a>00738 {
<a name="l00739"></a>00739 DoHTTPPostL();
<a name="l00740"></a>00740 <span class="keywordflow">break</span>;
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742 };
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744 }
<a name="l00745"></a>00745
<a name="l00746"></a>00746
<a name="l00747"></a>00747 <span class="comment">// end of file</span>
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