Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_service_discoverer_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>TB9.2 Example Applications: examples/ForumNokia/BluetoothPMPExample/src/ServiceDiscoverer.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.2 -->
<h1>examples/ForumNokia/BluetoothPMPExample/src/ServiceDiscoverer.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 <btsdp.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "ServiceDiscoverer.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a><a class="code" href="class_c_service_discoverer.html#a2dad79c50af3415d82b76b8b61a5045a">00009</a> <a class="code" href="class_c_service_discoverer.html">CServiceDiscoverer</a>* <a class="code" href="class_c_service_discoverer.html#a2dad79c50af3415d82b76b8b61a5045a">CServiceDiscoverer::NewL</a>(<a class="code" href="class_m_service_disco_observer.html">MServiceDiscoObserver</a>& aObserver)
<a name="l00010"></a>00010 {
<a name="l00011"></a>00011 <a class="code" href="class_c_service_discoverer.html">CServiceDiscoverer</a>* <span class="keyword">self</span> = <a class="code" href="class_c_service_discoverer.html#aa46a9c42ecbd7cb9976927b6858cb993">CServiceDiscoverer::NewLC</a>(aObserver);
<a name="l00012"></a>00012 CleanupStack::Pop(<span class="keyword">self</span>);
<a name="l00013"></a>00013 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00014"></a>00014 }
<a name="l00015"></a>00015
<a name="l00016"></a>00016
<a name="l00017"></a><a class="code" href="class_c_service_discoverer.html#aa46a9c42ecbd7cb9976927b6858cb993">00017</a> <a class="code" href="class_c_service_discoverer.html">CServiceDiscoverer</a>* <a class="code" href="class_c_service_discoverer.html#aa46a9c42ecbd7cb9976927b6858cb993">CServiceDiscoverer::NewLC</a>(<a class="code" href="class_m_service_disco_observer.html">MServiceDiscoObserver</a>& aObserver)
<a name="l00018"></a>00018 {
<a name="l00019"></a>00019 <a class="code" href="class_c_service_discoverer.html">CServiceDiscoverer</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_service_discoverer.html">CServiceDiscoverer</a>(aObserver);
<a name="l00020"></a>00020 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00021"></a>00021 <span class="keyword">self</span>->ConstructL();
<a name="l00022"></a>00022 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00023"></a>00023 }
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keywordtype">void</span> CServiceDiscoverer::ConstructL()
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 iRunning = EFalse;
<a name="l00029"></a>00029 }
<a name="l00030"></a>00030
<a name="l00031"></a>00031 CServiceDiscoverer::CServiceDiscoverer(<a class="code" href="class_m_service_disco_observer.html">MServiceDiscoObserver</a>& aObserver):
<a name="l00032"></a>00032 iObserver(aObserver)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="class_c_service_discoverer.html#a5b2d0445970a22d19dfc40c88554646b">00036</a> <a class="code" href="class_c_service_discoverer.html#a5b2d0445970a22d19dfc40c88554646b">CServiceDiscoverer::~CServiceDiscoverer</a>()
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <a class="code" href="class_c_service_discoverer.html#accff779372cf2bc9bfaae0b5b5e35872">FinishDiscovery</a>();
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00043"></a>00043 <span class="comment">// CServiceDiscoverer::DiscoverServicesOnDeviceL(TDeviceData *aDevData)</span>
<a name="l00044"></a>00044 <span class="comment">//</span>
<a name="l00045"></a>00045 <span class="comment">// discover services on given device. a service discovery agent will be</span>
<a name="l00046"></a>00046 <span class="comment">// started to do the discovery of services on given remote device.</span>
<a name="l00047"></a>00047 <span class="comment">// service discovery will be limited to search only for services with</span>
<a name="l00048"></a>00048 <span class="comment">// our service id.</span>
<a name="l00049"></a>00049 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00050"></a><a class="code" href="class_c_service_discoverer.html#ae75c6998eec994853effa62131ed1d48">00050</a> <span class="keywordtype">void</span> <a class="code" href="class_c_service_discoverer.html#ae75c6998eec994853effa62131ed1d48">CServiceDiscoverer::DiscoverServicesOnDeviceL</a>(<a class="code" href="struct_t_device_data.html">TDeviceData</a>* aDevData)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <a class="code" href="class_c_service_discoverer.html#accff779372cf2bc9bfaae0b5b5e35872">FinishDiscovery</a>();
<a name="l00053"></a>00053
<a name="l00054"></a>00054 iDevDataChanged=EFalse;
<a name="l00055"></a>00055 iDevData=aDevData;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">// init new service discovery agent</span>
<a name="l00058"></a>00058 iAgent = <a class="code" href="class_c_service_discoverer.html#a2dad79c50af3415d82b76b8b61a5045a">CSdpAgent::NewL</a>( *<span class="keyword">this</span>, iDevData->iDeviceAddr );
<a name="l00059"></a>00059 <span class="comment">// set search properties for agent</span>
<a name="l00060"></a>00060 iSpat = <a class="code" href="class_c_service_discoverer.html#a2dad79c50af3415d82b76b8b61a5045a">CSdpSearchPattern::NewL</a>();
<a name="l00061"></a>00061 <span class="comment">// use our service id to filter the services discovered</span>
<a name="l00062"></a>00062 <span class="comment">// -> will return only the services with matching service id(s)</span>
<a name="l00063"></a>00063 TUUID serviceUUID(KBT_serviceID);
<a name="l00064"></a>00064 iSpat->AddL(serviceUUID);
<a name="l00065"></a>00065 iAgent->SetRecordFilterL(*iSpat);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// initiate search</span>
<a name="l00068"></a>00068 <span class="comment">// this will result in call to NextRecordRequestComplete()</span>
<a name="l00069"></a>00069 iAgent->NextRecordRequestL();
<a name="l00070"></a>00070 iRunning = ETrue;
<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">// CServiceDiscoverer::DiscoverServicesL(TDeviceDataList* aDevDataList)</span>
<a name="l00076"></a>00076 <span class="comment">//</span>
<a name="l00077"></a>00077 <span class="comment">// discover services of all devices on the given device data list. this will</span>
<a name="l00078"></a>00078 <span class="comment">// make the initial call to DiscoverServicesOnDeviceL(), the further calls</span>
<a name="l00079"></a>00079 <span class="comment">// to DiscoverServicesOnDeviceL() will be made by NextRecordRequestComplete()</span>
<a name="l00080"></a>00080 <span class="comment">// as the pending service discovery request completes.</span>
<a name="l00081"></a>00081 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00082"></a><a class="code" href="class_c_service_discoverer.html#a1b2f22f43eb02687b945e5e67ac4eae8">00082</a> <span class="keywordtype">void</span> <a class="code" href="class_c_service_discoverer.html#a1b2f22f43eb02687b945e5e67ac4eae8">CServiceDiscoverer::DiscoverServicesL</a>(TDeviceDataList* aDevDataList)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keywordflow">if</span> ( aDevDataList->Count()> 0 )
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 iDeviceIdx=0;
<a name="l00087"></a>00087 iDevDataList=aDevDataList;
<a name="l00088"></a>00088 <a class="code" href="class_c_service_discoverer.html#ae75c6998eec994853effa62131ed1d48">DiscoverServicesOnDeviceL</a>((*iDevDataList)[iDeviceIdx]);
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00094"></a>00094 <span class="comment">// CServiceDiscoverer::FinishDiscovery()</span>
<a name="l00095"></a>00095 <span class="comment">//</span>
<a name="l00096"></a>00096 <span class="comment">// stop discovering services, stop service discovery agent.</span>
<a name="l00097"></a>00097 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00098"></a><a class="code" href="class_c_service_discoverer.html#accff779372cf2bc9bfaae0b5b5e35872">00098</a> <span class="keywordtype">void</span> <a class="code" href="class_c_service_discoverer.html#accff779372cf2bc9bfaae0b5b5e35872">CServiceDiscoverer::FinishDiscovery</a>()
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <span class="keywordflow">if</span>(iAgent)
<a name="l00101"></a>00101 iAgent->Cancel();
<a name="l00102"></a>00102 <span class="keyword">delete</span> iAgent;
<a name="l00103"></a>00103 iAgent=NULL;
<a name="l00104"></a>00104 <span class="keywordflow">if</span>(iSpat)
<a name="l00105"></a>00105 iSpat->Reset();
<a name="l00106"></a>00106 <span class="keyword">delete</span> iSpat;
<a name="l00107"></a>00107 iSpat=NULL;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00112"></a>00112 <span class="comment">// CServiceDiscoverer::NextRecordRequestComplete(</span>
<a name="l00113"></a>00113 <span class="comment">// TInt aError,</span>
<a name="l00114"></a>00114 <span class="comment">// TSdpServRecordHandle aHandle,</span>
<a name="l00115"></a>00115 <span class="comment">// TInt aTotalRecordsCount)</span>
<a name="l00116"></a>00116 <span class="comment">//</span>
<a name="l00117"></a>00117 <span class="comment">// called when the service discovery agent has completed discovering services</span>
<a name="l00118"></a>00118 <span class="comment">// on device. now the attributes of the found service records (if any) must</span>
<a name="l00119"></a>00119 <span class="comment">// be evaluated. if no service records were discovered, proceed doing</span>
<a name="l00120"></a>00120 <span class="comment">// service discovery on next device.</span>
<a name="l00121"></a>00121 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00122"></a>00122 <span class="keywordtype">void</span> CServiceDiscoverer::NextRecordRequestComplete(
<a name="l00123"></a>00123 TInt aError,
<a name="l00124"></a>00124 TSdpServRecordHandle aHandle,
<a name="l00125"></a>00125 TInt aTotalRecordsCount)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 iRunning = EFalse;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">if</span> ( aError==KErrNone && aTotalRecordsCount>0 )
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <span class="comment">// we got records, retrieve attributes for record</span>
<a name="l00132"></a>00132 <span class="comment">// request protocol descriptor from remote device records,</span>
<a name="l00133"></a>00133 <span class="comment">// we need this to retrieve remote port to connect to later on..</span>
<a name="l00134"></a>00134 TRAPD(err,iAgent->AttributeRequestL(aHandle, KSdpAttrIdProtocolDescriptorList) );
<a name="l00135"></a>00135 <span class="keywordflow">if</span>( err )
<a name="l00136"></a>00136 TRAP(err,iObserver.ReportServiceDiscoveryErrorL(err));
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="keywordflow">else</span>
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <span class="comment">// done with this device, store data if changed</span>
<a name="l00141"></a>00141 <span class="keywordflow">if</span> ( iDevDataChanged )
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 iDevData->iDeviceServicePort=iPort;
<a name="l00144"></a>00144 (*iDevDataList)[iDeviceIdx]=iDevData;
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">// discover services on next device, if any left</span>
<a name="l00148"></a>00148 iDeviceIdx++;
<a name="l00149"></a>00149 <span class="keywordflow">if</span> ( iDeviceIdx<iDevDataList->Count() )
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="comment">// more devices to probe, proceed</span>
<a name="l00152"></a>00152 TRAPD(err,<a class="code" href="class_c_service_discoverer.html#ae75c6998eec994853effa62131ed1d48">DiscoverServicesOnDeviceL</a>((*iDevDataList)[iDeviceIdx]));
<a name="l00153"></a>00153 <span class="keywordflow">if</span>( err )
<a name="l00154"></a>00154 TRAP(err,iObserver.ReportServiceDiscoveryErrorL(err))
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 <span class="keywordflow">else</span>
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <a class="code" href="class_c_service_discoverer.html#accff779372cf2bc9bfaae0b5b5e35872">FinishDiscovery</a>();
<a name="l00159"></a>00159 <span class="comment">// all devices done, notify</span>
<a name="l00160"></a>00160 TRAPD(err,iObserver.<a class="code" href="class_m_service_disco_observer.html#a364f228dafe48577465fac49bc49e20c">HandleServiceDiscoveryCompleteL</a>());
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00167"></a>00167 <span class="comment">// CServiceDiscoverer::AttributeRequestResult(</span>
<a name="l00168"></a>00168 <span class="comment">// TSdpServRecordHandle /*aHandle*/,</span>
<a name="l00169"></a>00169 <span class="comment">// TSdpAttributeID /*aAttrID*/,</span>
<a name="l00170"></a>00170 <span class="comment">// CSdpAttrValue* aAttrValue)</span>
<a name="l00171"></a>00171 <span class="comment">//</span>
<a name="l00172"></a>00172 <span class="comment">// called when the service attributes for the service record have been</span>
<a name="l00173"></a>00173 <span class="comment">// retrieved.</span>
<a name="l00174"></a>00174 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00175"></a>00175 <span class="keywordtype">void</span> CServiceDiscoverer::AttributeRequestResult(
<a name="l00176"></a>00176 TSdpServRecordHandle <span class="comment">/*aHandle*/</span>,
<a name="l00177"></a>00177 TSdpAttributeID <span class="comment">/*aAttrID*/</span>,
<a name="l00178"></a>00178 CSdpAttrValue* aAttrValue)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 <span class="comment">// parse attributes, will result in call to VisitAttributeValue()</span>
<a name="l00181"></a>00181 TRAPD(err,aAttrValue->AcceptVisitorL(*<span class="keyword">this</span>) );
<a name="l00182"></a>00182 <span class="keywordflow">if</span>( err )
<a name="l00183"></a>00183 TRAP(err,iObserver.ReportServiceDiscoveryErrorL(err));
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keyword">delete</span> aAttrValue;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00190"></a>00190 <span class="comment">// CServiceDiscoverer::AttributeRequestComplete(</span>
<a name="l00191"></a>00191 <span class="comment">// TSdpServRecordHandle /*aHandle*/,</span>
<a name="l00192"></a>00192 <span class="comment">// TInt aError)</span>
<a name="l00193"></a>00193 <span class="comment">//</span>
<a name="l00194"></a>00194 <span class="comment">// called when the request to resolve the service attributes for the service</span>
<a name="l00195"></a>00195 <span class="comment">// record completes. if there are more service records, proceed resolving</span>
<a name="l00196"></a>00196 <span class="comment">// the next service record.</span>
<a name="l00197"></a>00197 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00198"></a>00198 <span class="keywordtype">void</span> CServiceDiscoverer::AttributeRequestComplete(
<a name="l00199"></a>00199 TSdpServRecordHandle <span class="comment">/*aHandle*/</span>,
<a name="l00200"></a>00200 TInt aError)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="keywordflow">if</span> ( aError==KErrNone )
<a name="l00203"></a>00203 {
<a name="l00204"></a>00204 <span class="comment">// done with attributes for this record, request next</span>
<a name="l00205"></a>00205 <span class="comment">// service record</span>
<a name="l00206"></a>00206 TRAPD(err,iAgent->NextRecordRequestL());
<a name="l00207"></a>00207 <span class="keywordflow">if</span>( err )
<a name="l00208"></a>00208 TRAP(err,iObserver.ReportServiceDiscoveryErrorL(err));
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 <span class="keywordflow">else</span>
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="comment">// error, should terminate discoverer?</span>
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00218"></a>00218 <span class="comment">// CServiceDiscoverer::VisitAttributeValueL(</span>
<a name="l00219"></a>00219 <span class="comment">// CSdpAttrValue &aValue,</span>
<a name="l00220"></a>00220 <span class="comment">// TSdpElementType aType)</span>
<a name="l00221"></a>00221 <span class="comment">//</span>
<a name="l00222"></a>00222 <span class="comment">// called for processing of each service attribute. here we must look for</span>
<a name="l00223"></a>00223 <span class="comment">// attributes of UUID type. if the UUID is RFCOMM UUID, resolve the value</span>
<a name="l00224"></a>00224 <span class="comment">// for this attribute, which will be channel number to be used for connection</span>
<a name="l00225"></a>00225 <span class="comment">// to remote device.</span>
<a name="l00226"></a>00226 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00227"></a>00227 <span class="keywordtype">void</span> CServiceDiscoverer::VisitAttributeValueL(
<a name="l00228"></a>00228 CSdpAttrValue &aValue,
<a name="l00229"></a>00229 TSdpElementType aType)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="keywordflow">switch</span> (aType)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <span class="keywordflow">case</span> ETypeUUID:
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 TPtrC8 uuid(aValue.UUID().ShortestForm());
<a name="l00236"></a>00236 iLastUUID.SetL(uuid);
<a name="l00237"></a>00237 <span class="keywordflow">break</span>;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keywordflow">case</span> ETypeUint:
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordflow">if</span> ( iLastUUID==KRFCOMM )
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 <span class="comment">// previous call to this method with rfcomm UUID, therefore</span>
<a name="l00245"></a>00245 <span class="comment">// this one will be the value, rfcomm service channel (port)</span>
<a name="l00246"></a>00246 iPort=aValue.Uint();
<a name="l00247"></a>00247 <span class="comment">// mark device data changed, so the device data record in</span>
<a name="l00248"></a>00248 <span class="comment">// device data list will be updated.</span>
<a name="l00249"></a>00249 iDevDataChanged=ETrue;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 <span class="keywordflow">break</span>;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keywordflow">default</span>:
<a name="l00255"></a>00255 <span class="comment">// rest don't really matter..</span>
<a name="l00256"></a>00256 <span class="keywordflow">break</span>;
<a name="l00257"></a>00257
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="keywordtype">void</span> CServiceDiscoverer::StartListL(CSdpAttrValueList& <span class="comment">/*aList*/</span>)
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 <span class="comment">// not needed</span>
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="keywordtype">void</span> CServiceDiscoverer::EndListL()
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <span class="comment">// not needed</span>
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00274"></a>00274 <span class="comment">// CServiceDiscoverer::HasServices()</span>
<a name="l00275"></a>00275 <span class="comment">//</span>
<a name="l00276"></a>00276 <span class="comment">// returns true if any services matching our service id were found on any</span>
<a name="l00277"></a>00277 <span class="comment">// remote device.</span>
<a name="l00278"></a>00278 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00279"></a><a class="code" href="class_c_service_discoverer.html#ac5987a2bdca5e9dfc441c827e1b26e07">00279</a> TBool <a class="code" href="class_c_service_discoverer.html#ac5987a2bdca5e9dfc441c827e1b26e07">CServiceDiscoverer::HasServices</a>()
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 TBool exists = EFalse;
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (iDevDataList)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (iDevDataList->Count() > 0)
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 exists = ETrue;
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 <span class="keywordflow">return</span> exists;
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291
<a name="l00292"></a>00292
</pre></div></div>
<hr size="1"/><address style="text-align: right;"><small>Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
</body>
</html>