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<h1>examples/ForumNokia/BluetoothPMPExample/src/Connector.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 © 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="comment">// INCLUDE FILES</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "Connector.h"</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "BluetoothPMPExampleApp.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KRfComm,<span class="stringliteral">"RFCOMM"</span>);
<a name="l00010"></a>00010
<a name="l00011"></a><a class="code" href="class_c_connector.html#a0dc0760eb3b611c82f28b184f49d6bd7">00011</a> <a class="code" href="class_c_connector.html">CConnector</a>* <a class="code" href="class_c_connector.html#a0dc0760eb3b611c82f28b184f49d6bd7">CConnector::NewL</a>(<a class="code" href="class_m_connector_observer.html">MConnectorObserver</a>& aObserver,
<a name="l00012"></a>00012 RSocketServ& aSocketServ)
<a name="l00013"></a>00013 {
<a name="l00014"></a>00014 <a class="code" href="class_c_connector.html">CConnector</a>* <span class="keyword">self</span> = <a class="code" href="class_c_connector.html#acf4a1927ce9786c1b8010b9cae1d5688">CConnector::NewLC</a>(aObserver, aSocketServ);
<a name="l00015"></a>00015 CleanupStack::Pop(<span class="keyword">self</span>);
<a name="l00016"></a>00016 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00017"></a>00017 }
<a name="l00018"></a>00018
<a name="l00019"></a>00019
<a name="l00020"></a><a class="code" href="class_c_connector.html#acf4a1927ce9786c1b8010b9cae1d5688">00020</a> <a class="code" href="class_c_connector.html">CConnector</a>* <a class="code" href="class_c_connector.html#acf4a1927ce9786c1b8010b9cae1d5688">CConnector::NewLC</a>(<a class="code" href="class_m_connector_observer.html">MConnectorObserver</a>& aObserver,
<a name="l00021"></a>00021 RSocketServ& aSocketServ)
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 <a class="code" href="class_c_connector.html">CConnector</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_connector.html">CConnector</a>(aObserver, aSocketServ);
<a name="l00024"></a>00024 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00025"></a>00025 <span class="keyword">self</span>->ConstructL();
<a name="l00026"></a>00026 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00027"></a>00027 }
<a name="l00028"></a>00028
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keywordtype">void</span> CConnector::ConstructL()
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035 CConnector::CConnector(<a class="code" href="class_m_connector_observer.html">MConnectorObserver</a>& aObserver,
<a name="l00036"></a>00036 RSocketServ& aSocketServ):
<a name="l00037"></a>00037 CActive(CActive::EPriorityStandard),
<a name="l00038"></a>00038 iObserver(aObserver),
<a name="l00039"></a>00039 iSocketServ(aSocketServ),
<a name="l00040"></a>00040 iState(ENone)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 CActiveScheduler::Add(<span class="keyword">this</span>);
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="class_c_connector.html#a182734207e03cf9b72a56fc417908a1d">00046</a> <a class="code" href="class_c_connector.html#a182734207e03cf9b72a56fc417908a1d">CConnector::~CConnector</a>()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 Cancel();
<a name="l00049"></a>00049 <span class="comment">// disconnect and kill socket</span>
<a name="l00050"></a>00050 <a class="code" href="class_c_connector.html#aa7bef8230682e64f354bec585426fdb5">Disconnect</a>();
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053
<a name="l00054"></a><a class="code" href="class_c_connector.html#ad00a6a26fea8373614265186057cf042">00054</a> <span class="keywordtype">void</span> <a class="code" href="class_c_connector.html#ad00a6a26fea8373614265186057cf042">CConnector::DoCancel</a>()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 iSock.CancelAll();
<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">// CConnector::ConnectL(THostName aName, TBTDevAddr aAddr, TInt aPort)</span>
<a name="l00062"></a>00062 <span class="comment">//</span>
<a name="l00063"></a>00063 <span class="comment">// create a connection to given address on given port. </span>
<a name="l00064"></a>00064 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00065"></a><a class="code" href="class_c_connector.html#a3c5da0fe4f3d9a04528d9f6f5a19755b">00065</a> TRequestStatus <a class="code" href="class_c_connector.html#a3c5da0fe4f3d9a04528d9f6f5a19755b">CConnector::ConnectL</a>(THostName aName, TBTDevAddr aAddr,
<a name="l00066"></a>00066 TInt aPort)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 iName=aName;
<a name="l00069"></a>00069 iAddr=aAddr;
<a name="l00070"></a>00070 iPort=aPort;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">// load protocol, RFCOMM</span>
<a name="l00073"></a>00073 TProtocolDesc pdesc;
<a name="l00074"></a>00074 User::LeaveIfError(iSocketServ.FindProtocol(KRfComm(), pdesc));
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">// open socket</span>
<a name="l00077"></a>00077 User::LeaveIfError(iSock.Open(iSocketServ, KRfComm));
<a name="l00078"></a>00078 <span class="comment">// set address and port</span>
<a name="l00079"></a>00079 TBTSockAddr addr;
<a name="l00080"></a>00080 addr.SetBTAddr(iAddr);
<a name="l00081"></a>00081 addr.SetPort(iPort);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// connect socket</span>
<a name="l00084"></a>00084 TRequestStatus status;
<a name="l00085"></a>00085 iSock.Connect(addr, status);
<a name="l00086"></a>00086 User::WaitForRequest(status);
<a name="l00087"></a>00087 <span class="keywordflow">if</span> ( status!=KErrNone )
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="comment">// error opening conn</span>
<a name="l00090"></a>00090 <span class="keywordflow">return</span> status;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a>00093 iState=EConnecting;
<a name="l00094"></a>00094 WaitAndReceive();
<a name="l00095"></a>00095 <span class="keywordflow">return</span> status;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00100"></a>00100 <span class="comment">// CConnector::Disconnect()</span>
<a name="l00101"></a>00101 <span class="comment">//</span>
<a name="l00102"></a>00102 <span class="comment">// disconnect from remote device, shutdown connected socket</span>
<a name="l00103"></a>00103 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00104"></a><a class="code" href="class_c_connector.html#aa7bef8230682e64f354bec585426fdb5">00104</a> <span class="keywordtype">void</span> <a class="code" href="class_c_connector.html#aa7bef8230682e64f354bec585426fdb5">CConnector::Disconnect</a>()
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 TRequestStatus status;
<a name="l00107"></a>00107 <span class="comment">// shutdown socket</span>
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (iState == ENone)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">return</span>;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 iSock.Shutdown(RSocket::ENormal, status);
<a name="l00113"></a>00113 User::WaitForRequest(status);
<a name="l00114"></a>00114 iSock.Close();
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00119"></a>00119 <span class="comment">// CConnector::SendData(const TDesC8& aData)</span>
<a name="l00120"></a>00120 <span class="comment">//</span>
<a name="l00121"></a>00121 <span class="comment">// send given data to remote device, write to connected socket</span>
<a name="l00122"></a>00122 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00123"></a><a class="code" href="class_c_connector.html#a2eecddc3d4f5ff157d17820c0add199b">00123</a> <span class="keywordtype">void</span> <a class="code" href="class_c_connector.html#a2eecddc3d4f5ff157d17820c0add199b">CConnector::SendData</a>(<span class="keyword">const</span> TDesC8& aData)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <span class="comment">// cancel any read requests on socket</span>
<a name="l00126"></a>00126 iSock.CancelRead();
<a name="l00127"></a>00127 Cancel();
<a name="l00128"></a>00128 <span class="comment">// send message</span>
<a name="l00129"></a>00129 iState=ESending;
<a name="l00130"></a>00130 iSock.Write(aData, iStatus);
<a name="l00131"></a>00131 SetActive();
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00136"></a>00136 <span class="comment">// CConnector::WaitAndReceiveL()</span>
<a name="l00137"></a>00137 <span class="comment">//</span>
<a name="l00138"></a>00138 <span class="comment">// wait for and receive data from remote device, read connected socket</span>
<a name="l00139"></a>00139 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00140"></a>00140 <span class="keywordtype">void</span> CConnector::WaitAndReceive()
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <span class="comment">// cancel pending operations</span>
<a name="l00143"></a>00143 iSock.CancelRead();
<a name="l00144"></a>00144 Cancel();
<a name="l00145"></a>00145 <span class="comment">// receive data from socket</span>
<a name="l00146"></a>00146 iState=EWaiting;
<a name="l00147"></a>00147 iSock.RecvOneOrMore(iBuffer, 0, iStatus, iLen);
<a name="l00148"></a>00148 SetActive();
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151
<a name="l00152"></a><a class="code" href="class_c_connector.html#ad8e86b9b23abc394fc0451a3ea82c81a">00152</a> <span class="keywordtype">void</span> <a class="code" href="class_c_connector.html#ad8e86b9b23abc394fc0451a3ea82c81a">CConnector::RunL</a>()
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="keywordflow">if</span> ( iStatus!=KErrNone )
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 iObserver.HandleConnectorErrorL(iName,iStatus.Int());
<a name="l00157"></a>00157 <span class="keywordflow">return</span>;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">switch</span> (iState)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 <span class="keywordflow">case</span> EConnecting:
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 <span class="comment">// wait incoming data on socket</span>
<a name="l00165"></a>00165 WaitAndReceive();
<a name="l00166"></a>00166 <span class="keywordflow">break</span>;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">case</span> EWaiting:
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="comment">// we got incoming data!</span>
<a name="l00171"></a>00171 HBufC* text = <a class="code" href="class_c_connector.html#acf4a1927ce9786c1b8010b9cae1d5688">HBufC::NewLC</a>(iBuffer.Length());
<a name="l00172"></a>00172 text->Des().Copy(iBuffer);
<a name="l00173"></a>00173 <span class="comment">// observer will handle data</span>
<a name="l00174"></a>00174 HandleConnectorDataReceivedL(iName, *text);
<a name="l00175"></a>00175 CleanupStack::PopAndDestroy(text);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">// start expecting new incoming data</span>
<a name="l00178"></a>00178 WaitAndReceive();
<a name="l00179"></a>00179 <span class="keywordflow">break</span>;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 <span class="keywordflow">case</span> ESending:
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="comment">// tried to send a message</span>
<a name="l00184"></a>00184 <span class="keywordflow">if</span>(iState!=KErrNone)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="comment">// Add error handling / socket re-read code</span>
<a name="l00187"></a>00187 <span class="comment">// here, not implemented in this example</span>
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">// start expecting new incoming data</span>
<a name="l00191"></a>00191 WaitAndReceive();
<a name="l00192"></a>00192 <span class="keywordflow">break</span>;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 <span class="keywordflow">default</span>:
<a name="l00195"></a>00195 <span class="keywordflow">break</span>;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 TInt CConnector::RunError(TInt <span class="comment">/*aError*/</span>)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <span class="comment">// Add error handling here, not implemented in this example</span>
<a name="l00202"></a>00202 <span class="keywordflow">return</span> KErrNone;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00206"></a>00206 <span class="comment">// CConnector::HandleConnectorDataReceivedL(THostNama aName, TDesC& aData)</span>
<a name="l00207"></a>00207 <span class="comment">//</span>
<a name="l00208"></a>00208 <span class="comment">// a callback to observer indicating that connector has received data</span>
<a name="l00209"></a>00209 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00210"></a>00210 <span class="keywordtype">void</span> CConnector::HandleConnectorDataReceivedL(THostName aName, <span class="keyword">const</span> TDesC& aData)
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 iObserver.<a class="code" href="class_m_connector_observer.html#afe3b74e577328b88ae7a9e984b7895a0">HandleConnectorDataReceivedL</a>(aName, aData);
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
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