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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/btdiscoverer_8cpp_source.html
author Graeme Price <GRAEME.PRICE@NOKIA.COM>
Fri, 15 Oct 2010 14:32:18 +0100
changeset 15 307f4279f433
parent 6 43e37759235e
permissions -rw-r--r--
Initial contribution of the Adaptation Documentation.
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/ForumNokia/ThreadAndActiveObjectsEx/src/btdiscoverer.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/ForumNokia/ThreadAndActiveObjectsEx/src/btdiscoverer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
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<a name="l00003"></a>00003 <span class="comment"> */</span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005
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<a name="l00006"></a>00006 <span class="comment">// INCLUDES</span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include &quot;..\inc\btdiscoverer.h&quot;</span>
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<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;SharedIntermediator.h&quot;</span>
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<a name="l00009"></a>00009 <span class="preprocessor">#include &quot;BluetoothInfo.h&quot;</span>
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<a name="l00010"></a>00010
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<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;btmanclient.h&gt;</span>
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<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;btextnotifiers.h&gt;</span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include &lt;aknlists.h&gt;</span>
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<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;btsdp.h&gt;</span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;bt_sock.h&gt;</span>
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<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;BTDevice.h&gt;</span>
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KBTProtocol, <span class="stringliteral">&quot;BTLinkManager&quot;</span>);
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<a name="l00020"></a>00020 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>( KLine, <span class="stringliteral">&quot;-&quot;</span> );
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022 <span class="keyword">const</span> TInt KMinBTAddressLength = 5;
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<a name="l00023"></a>00023 <span class="keyword">const</span> TInt KBufSize = 32;
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<a name="l00024"></a>00024 <span class="keyword">const</span> TInt KAddressBufSize = 1024;
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<a name="l00025"></a>00025 <span class="keyword">const</span> TInt KConversionChars = 2;
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<a name="l00026"></a>00026
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<a name="l00027"></a><a class="code" href="class_c_b_t_discoverer.html#aeb9e85e706210e0cb6a570d6c02e38b1">00027</a> <a class="code" href="class_c_b_t_discoverer.html">CBTDiscoverer</a>* <a class="code" href="class_c_b_t_discoverer.html#aeb9e85e706210e0cb6a570d6c02e38b1">CBTDiscoverer::NewL</a>(<a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator)
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<a name="l00028"></a>00028     {
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<a name="l00029"></a>00029     <a class="code" href="class_c_b_t_discoverer.html">CBTDiscoverer</a>* <span class="keyword">self</span> = <a class="code" href="class_c_b_t_discoverer.html#a58071dd68fb5238804af2680639d0ede">CBTDiscoverer::NewLC</a>(aSMediator);
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<a name="l00030"></a>00030     CleanupStack::Pop(<span class="keyword">self</span>);
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<a name="l00031"></a>00031     <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00032"></a>00032     }
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<a name="l00033"></a>00033
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<a name="l00034"></a><a class="code" href="class_c_b_t_discoverer.html#a58071dd68fb5238804af2680639d0ede">00034</a> <a class="code" href="class_c_b_t_discoverer.html">CBTDiscoverer</a>* <a class="code" href="class_c_b_t_discoverer.html#a58071dd68fb5238804af2680639d0ede">CBTDiscoverer::NewLC</a>( <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator )
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<a name="l00035"></a>00035     {
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<a name="l00036"></a>00036     <a class="code" href="class_c_b_t_discoverer.html">CBTDiscoverer</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_b_t_discoverer.html">CBTDiscoverer</a>( aSMediator );
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<a name="l00037"></a>00037     CleanupStack::PushL( <span class="keyword">self</span> );
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<a name="l00038"></a>00038     <span class="keyword">self</span>-&gt;ConstructL();
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<a name="l00039"></a>00039     <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00040"></a>00040     }
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00043"></a>00043 <span class="comment">// CBTDiscoverer::CBTDiscoverer()</span>
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<a name="l00044"></a>00044 <span class="comment">//</span>
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<a name="l00045"></a>00045 <span class="comment">// Constructor.</span>
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<a name="l00046"></a>00046 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00047"></a>00047 CBTDiscoverer::CBTDiscoverer( <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator )
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<a name="l00048"></a>00048         : CActive( EPriorityStandard ), iSMediator ( aSMediator )
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<a name="l00049"></a>00049         {
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<a name="l00050"></a>00050         }
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00053"></a>00053 <span class="comment">// CBTDiscoverer::CBTDiscoverer()</span>
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<a name="l00054"></a>00054 <span class="comment">//</span>
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<a name="l00055"></a>00055 <span class="comment">// Destructor.</span>
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<a name="l00056"></a>00056 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00057"></a><a class="code" href="class_c_b_t_discoverer.html#af86425f13d92e3ac8a57cc345dd29f0b">00057</a> <a class="code" href="class_c_b_t_discoverer.html#af86425f13d92e3ac8a57cc345dd29f0b">CBTDiscoverer::~CBTDiscoverer</a>()
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<a name="l00058"></a>00058         {
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<a name="l00059"></a>00059         Cancel();
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061         iDeviceNames-&gt;ResetAndDestroy();
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<a name="l00062"></a>00062         <span class="keyword">delete</span> iDeviceNames;
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<a name="l00063"></a>00063
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<a name="l00064"></a>00064         iDeviceAddress-&gt;ResetAndDestroy();
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<a name="l00065"></a>00065         <span class="keyword">delete</span> iDeviceAddress;
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067         iInqSockAddrArray.Close();
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<a name="l00068"></a>00068         iHostResolver.Close();
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<a name="l00069"></a>00069         iSocketServer.Close();
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<a name="l00070"></a>00070         }
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072 <span class="comment">// Standard Symbian OS 2nd phase constructor</span>
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<a name="l00073"></a>00073 <span class="keywordtype">void</span> CBTDiscoverer::ConstructL()
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<a name="l00074"></a>00074     {
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<a name="l00075"></a>00075         iDeviceNames =  <span class="keyword">new</span> (ELeave) CArrayPtrFlat&lt;HBufC&gt;(1);
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<a name="l00076"></a>00076         iDeviceAddress = <span class="keyword">new</span> (ELeave) CArrayPtrFlat&lt;HBufC&gt;(1);
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<a name="l00077"></a>00077
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<a name="l00078"></a>00078         CActiveScheduler::Add(<span class="keyword">this</span>);
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<a name="l00079"></a>00079     }
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<a name="l00080"></a>00080 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00081"></a>00081 <span class="comment">// CBTDiscoverer::GetNames()</span>
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<a name="l00082"></a>00082 <span class="comment">//</span>
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<a name="l00083"></a>00083 <span class="comment">// Return a pointer to list of names.</span>
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<a name="l00084"></a>00084 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00085"></a><a class="code" href="class_c_b_t_discoverer.html#a0dc7ee9d24b57d97b6825eeaa2d08d59">00085</a> CArrayPtrFlat&lt; HBufC &gt;* <a class="code" href="class_c_b_t_discoverer.html#a0dc7ee9d24b57d97b6825eeaa2d08d59">CBTDiscoverer::GetNames</a>()
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<a name="l00086"></a>00086         {
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    97
 
<a name="l00087"></a>00087         <span class="keywordflow">return</span> iDeviceNames;
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<a name="l00088"></a>00088         }
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    99
 
<a name="l00089"></a>00089
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<a name="l00090"></a>00090 <span class="comment">// ----------------------------------------------------------------------------</span>
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   101
 
<a name="l00091"></a>00091 <span class="comment">// CBTDiscoverer::GetDeviceAddress()</span>
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<a name="l00092"></a>00092 <span class="comment">//</span>
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   103
 
<a name="l00093"></a>00093 <span class="comment">// Return a pointer to list of addresses.</span>
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<a name="l00094"></a>00094 <span class="comment">// ----------------------------------------------------------------------------</span>
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   105
 
<a name="l00095"></a><a class="code" href="class_c_b_t_discoverer.html#ace1adacff37ad877f1f5a1f87f617b1c">00095</a> CArrayPtrFlat&lt; HBufC &gt;* <a class="code" href="class_c_b_t_discoverer.html#ace1adacff37ad877f1f5a1f87f617b1c">CBTDiscoverer::GetDeviceAddress</a>()
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<a name="l00096"></a>00096         {
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   107
 
<a name="l00097"></a>00097         <span class="keywordflow">return</span> iDeviceAddress;
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<a name="l00098"></a>00098         }
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<a name="l00099"></a>00099
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<a name="l00100"></a>00100 <span class="comment">// ----------------------------------------------------------------------------</span>
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   111
 
<a name="l00101"></a>00101 <span class="comment">// CBTDiscoverer::StartDiscoveringDevicesL()</span>
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<a name="l00102"></a>00102 <span class="comment">//</span>
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<a name="l00103"></a>00103 <span class="comment">// Find devices.</span>
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<a name="l00104"></a>00104 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00105"></a><a class="code" href="class_c_b_t_discoverer.html#a883d57ae3cd27e92a2c90a5d304f38e6">00105</a>  <span class="keywordtype">void</span> <a class="code" href="class_c_b_t_discoverer.html#a883d57ae3cd27e92a2c90a5d304f38e6">CBTDiscoverer::StartDiscoveringDevicesL</a>()
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<a name="l00106"></a>00106         {
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<a name="l00107"></a>00107         User::LeaveIfError(iSocketServer.Connect() );
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<a name="l00108"></a>00108
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<a name="l00109"></a>00109         TProtocolDesc protocolInfo;
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<a name="l00110"></a>00110
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<a name="l00111"></a>00111         <span class="comment">// Gets the description of a protocol by name.</span>
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<a name="l00112"></a>00112         User::LeaveIfError(iSocketServer.FindProtocol(
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<a name="l00113"></a>00113                                     KBTProtocol(), protocolInfo) );
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<a name="l00114"></a>00114
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<a name="l00115"></a>00115         <span class="comment">// Initialises a name resolution service provided by a particular protocol. </span>
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<a name="l00116"></a>00116         <span class="comment">// It must be called before other object functions are used.</span>
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<a name="l00117"></a>00117         User::LeaveIfError( iHostResolver.Open( iSocketServer,
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<a name="l00118"></a>00118                     protocolInfo.iAddrFamily, protocolInfo.iProtocol ) );
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<a name="l00119"></a>00119
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   130
 
<a name="l00120"></a>00120         <span class="comment">// Interested in all bluetooth devices that have BT turned on.</span>
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<a name="l00121"></a>00121         iSockAddr.SetIAC(KGIAC);
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<a name="l00122"></a>00122
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<a name="l00123"></a>00123         <span class="comment">// Resolve name of the device and device address. Do not use cache.</span>
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<a name="l00124"></a>00124         iSockAddr.SetAction(KHostResInquiry | KHostResName | KHostResIgnoreCache);
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<a name="l00125"></a>00125
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<a name="l00126"></a>00126         <span class="comment">// Start discovering devices asynchronously. RunL is called.</span>
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<a name="l00127"></a>00127         iHostResolver.GetByAddress(iSockAddr,iNameEntry,iStatus);
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<a name="l00128"></a>00128
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   139
 
<a name="l00129"></a>00129         <span class="comment">// Set this active object active.</span>
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<a name="l00130"></a>00130         SetActive();
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<a name="l00131"></a>00131
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<a name="l00132"></a>00132         }
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<a name="l00133"></a>00133
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<a name="l00134"></a>00134 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00135"></a>00135 <span class="comment">// CBTDiscoverer::RunL()</span>
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<a name="l00136"></a>00136 <span class="comment">//</span>
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<a name="l00137"></a>00137 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00138"></a>00138  <span class="keywordtype">void</span> CBTDiscoverer::RunL()
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<a name="l00139"></a>00139         {
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<a name="l00140"></a>00140
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<a name="l00141"></a>00141         <span class="comment">// Found a new device, iStatus would be KErrHostResNoMoreResults</span>
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<a name="l00142"></a>00142         <span class="comment">// if no more new devices are found.</span>
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<a name="l00143"></a>00143         <span class="keywordflow">if</span> ( iStatus == KErrNone )
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<a name="l00144"></a>00144                 {
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<a name="l00145"></a>00145                 PushListL(iNameEntry);
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<a name="l00146"></a>00146                 <span class="comment">// Find the next bluetooth device</span>
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<a name="l00147"></a>00147                 iHostResolver.Next(iNameEntry,iStatus);
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<a name="l00148"></a>00148
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<a name="l00149"></a>00149                 SetActive();
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<a name="l00150"></a>00150                 }
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<a name="l00151"></a>00151         }
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<a name="l00152"></a>00152
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<a name="l00153"></a>00153 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00154"></a>00154 <span class="comment">// CBTDiscoverer::TransformSockAddressL(TInquirySockAddr&amp; aInquirySockAddr)</span>
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<a name="l00155"></a>00155 <span class="comment">//</span>
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<a name="l00156"></a>00156 <span class="comment">// Transform inquiryaddress to format XX-XX-XX-XX-XX (BT address)</span>
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<a name="l00157"></a>00157 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00158"></a>00158 <span class="keywordtype">void</span> CBTDiscoverer::TransformSockAddressL(TInquirySockAddr&amp; aInquirySockAddr)
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<a name="l00159"></a>00159         {
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<a name="l00160"></a>00160         TBTDevAddr localAddr= aInquirySockAddr.BTAddr();
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<a name="l00161"></a>00161         TBuf&lt;KAddressBufSize&gt; btAddr;
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<a name="l00162"></a>00162
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<a name="l00163"></a>00163         <span class="keywordflow">for</span>(TInt i=0; i &lt; localAddr.Des().Length() ;i++)
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<a name="l00164"></a>00164                 {
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<a name="l00165"></a>00165                 btAddr.AppendNumFixedWidthUC( localAddr[i], EHex, KConversionChars );
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<a name="l00166"></a>00166                 <span class="keywordflow">if</span> ( i != localAddr.Des().Length() -1 )
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<a name="l00167"></a>00167                         {
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<a name="l00168"></a>00168                         btAddr.Append( KLine );
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<a name="l00169"></a>00169                         }
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<a name="l00170"></a>00170                 }
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<a name="l00171"></a>00171
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<a name="l00172"></a>00172         HBufC* element = HBufC::New(KBTDeviceAddress);
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<a name="l00173"></a>00173         element = btAddr.Alloc();
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<a name="l00174"></a>00174         iDeviceAddress-&gt;AppendL( element );
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<a name="l00175"></a>00175         }
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<a name="l00176"></a>00176
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<a name="l00177"></a>00177 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00178"></a>00178 <span class="comment">// CBTDiscoverer::RunError(TInt aError)</span>
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<a name="l00179"></a>00179 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00180"></a>00180 TInt CBTDiscoverer::RunError(TInt)
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<a name="l00181"></a>00181         {
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<a name="l00182"></a>00182         <span class="keywordflow">return</span> KErrNone;
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<a name="l00183"></a>00183         }
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<a name="l00184"></a>00184
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<a name="l00185"></a>00185 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00186"></a>00186 <span class="comment">// CBTDiscoverer::DoCancel()</span>
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<a name="l00187"></a>00187 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00188"></a>00188  <span class="keywordtype">void</span> CBTDiscoverer::DoCancel()
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<a name="l00189"></a>00189         {
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<a name="l00190"></a>00190         iHostResolver.Cancel();
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<a name="l00191"></a>00191         }
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<a name="l00192"></a>00192
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<a name="l00193"></a>00193 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00194"></a>00194 <span class="comment">// CBTDiscoverer::PushListL(TNameEntry&amp; aNameEntry) </span>
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<a name="l00195"></a>00195 <span class="comment">//</span>
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<a name="l00196"></a>00196 <span class="comment">// Separete both name/address from the aNameEntry and insert them into separe </span>
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<a name="l00197"></a>00197 <span class="comment">// lists.</span>
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<a name="l00198"></a>00198 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00199"></a>00199 <span class="keywordtype">void</span> CBTDiscoverer::PushListL(TNameEntry&amp; aNameEntry)
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<a name="l00200"></a>00200         {
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<a name="l00201"></a>00201
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<a name="l00202"></a>00202         TInquirySockAddr &amp;addr = TInquirySockAddr::Cast(aNameEntry().iAddr);
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<a name="l00203"></a>00203
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<a name="l00204"></a>00204         <span class="comment">// Add only different devices. </span>
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<a name="l00205"></a>00205         <span class="keywordflow">for</span>( TInt i = 0; i &lt; iInqSockAddrArray.Count(); i++ )
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<a name="l00206"></a>00206                 {
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<a name="l00207"></a>00207                 <span class="keywordflow">if</span>( iInqSockAddrArray[i].BTAddr() == addr.BTAddr( ) ||
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<a name="l00208"></a>00208                          addr.BTAddr().Des().Length() &lt; KMinBTAddressLength )
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<a name="l00209"></a>00209                         {
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<a name="l00210"></a>00210                         <span class="keywordflow">return</span>;
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<a name="l00211"></a>00211                         }
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<a name="l00212"></a>00212                 }
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<a name="l00213"></a>00213
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<a name="l00214"></a>00214         HBufC* element = NULL;
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<a name="l00215"></a>00215
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<a name="l00216"></a>00216         <span class="comment">// Check the length of the bluetooth device name</span>
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<a name="l00217"></a>00217         <span class="keywordflow">if</span> ( aNameEntry().iName.Length() &gt;= KBTDeviceLength )
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<a name="l00218"></a>00218                 {
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<a name="l00219"></a>00219                 element = aNameEntry().iName.Left( KBTDeviceLength -1 ).AllocLC();
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<a name="l00220"></a>00220                 }
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<a name="l00221"></a>00221         <span class="comment">// Get the name </span>
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<a name="l00222"></a>00222         <span class="keywordflow">else</span> {
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<a name="l00223"></a>00223                 element = aNameEntry().iName.AllocLC();
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<a name="l00224"></a>00224                 }
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<a name="l00225"></a>00225         <span class="comment">// Add the name onto the list. Devices must have some kind of name</span>
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<a name="l00226"></a>00226         <span class="comment">// otherwise it won&#39;t be added.</span>
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<a name="l00227"></a>00227         <span class="keywordflow">if</span> ( element-&gt;Length() != 0 )
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<a name="l00228"></a>00228                 {
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<a name="l00229"></a>00229                 iDeviceNames-&gt;AppendL( element );
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<a name="l00230"></a>00230                 CleanupStack::Pop( element );
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<a name="l00231"></a>00231                 }
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<a name="l00232"></a>00232
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<a name="l00233"></a>00233         TInquirySockAddr *addr_ptr = <span class="keyword">new</span> (ELeave)TInquirySockAddr( addr );
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<a name="l00234"></a>00234
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<a name="l00235"></a>00235         CleanupStack::PushL( addr_ptr );
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<a name="l00236"></a>00236
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<a name="l00237"></a>00237         <span class="comment">// Append the BT address onto the list</span>
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<a name="l00238"></a>00238         User::LeaveIfError( iInqSockAddrArray.Append(*addr_ptr) );
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<a name="l00239"></a>00239         CleanupStack::Pop( addr_ptr );
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<a name="l00240"></a>00240
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<a name="l00241"></a>00241         <span class="comment">// Make address printable.</span>
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<a name="l00242"></a>00242         TransformSockAddressL( *addr_ptr );
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<a name="l00243"></a>00243
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<a name="l00244"></a>00244         <span class="comment">// Get name of the device and BT address as hex. Add name&amp;address</span>
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<a name="l00245"></a>00245         <span class="comment">// into shared intermediator.</span>
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<a name="l00246"></a>00246         TPtr16 deviceName = (*iDeviceNames)[ iDeviceNames-&gt;Count() - 1 ]-&gt;Des();
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<a name="l00247"></a>00247         TPtr16 deviceBTAddr =
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<a name="l00248"></a>00248                     (*iDeviceAddress)[ iDeviceAddress-&gt;Count() - 1 ]-&gt;Des();
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<a name="l00249"></a>00249         <a class="code" href="class_t_bluetooth_info.html">TBluetoothInfo</a> btInfo = <a class="code" href="class_t_bluetooth_info.html">TBluetoothInfo</a> (deviceName, deviceBTAddr);
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<a name="l00250"></a>00250
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<a name="l00251"></a>00251         <span class="comment">// Give data to the shared intermediator. Shared intermediator gives</span>
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<a name="l00252"></a>00252         <span class="comment">// device names to the listbox after this.</span>
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<a name="l00253"></a>00253         iSMediator-&gt;<a class="code" href="class_c_shared_intermediator.html#a8c4ec9ad89fd0b9168c50472fa3e1ec7">AddBluetoothInfoL</a>(btInfo);
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<a name="l00254"></a>00254         }
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<a name="l00255"></a>00255
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<a name="l00256"></a>00256 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00257"></a>00257 <span class="comment">// CBTDiscoverer::RefreshDevices()</span>
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<a name="l00258"></a>00258 <span class="comment">//</span>
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<a name="l00259"></a>00259 <span class="comment">// Cancels the wait for completion of an outstanding bluetooth request. </span>
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<a name="l00260"></a>00260 <span class="comment">// Cleans lists and starts the search again by calling GetByAddress.</span>
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<a name="l00261"></a>00261 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00262"></a><a class="code" href="class_c_b_t_discoverer.html#a025caeff179e22d835296e10b3387e6d">00262</a> <span class="keywordtype">void</span> <a class="code" href="class_c_b_t_discoverer.html#a025caeff179e22d835296e10b3387e6d">CBTDiscoverer::RefreshDevices</a>()
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<a name="l00263"></a>00263         {
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<a name="l00264"></a>00264         <span class="comment">// In case bt discover is already active.</span>
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<a name="l00265"></a>00265         Cancel();
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<a name="l00266"></a>00266
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<a name="l00267"></a>00267          <span class="comment">//Clear all lists </span>
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<a name="l00268"></a>00268         iDeviceNames-&gt;Reset();
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<a name="l00269"></a>00269         iInqSockAddrArray.Reset();
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<a name="l00270"></a>00270         iDeviceAddress-&gt;Reset();
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<a name="l00271"></a>00271
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<a name="l00272"></a>00272         iSockAddr.SetAction(KHostResInquiry | KHostResName | KHostResIgnoreCache);
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<a name="l00273"></a>00273
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<a name="l00274"></a>00274         <span class="comment">// Start discovering devices asynchronously. RunL is called afterwards.</span>
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<a name="l00275"></a>00275         iHostResolver.GetByAddress(iSockAddr,iNameEntry,iStatus);
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<a name="l00276"></a>00276         SetActive();
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<a name="l00277"></a>00277         }
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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