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5 <title>TB9.2 Example Applications: examples/ForumNokia/ThreadAndActiveObjectsEx/src/threadaoengine.cpp Source File</title> |
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11 <h1>examples/ForumNokia/ThreadAndActiveObjectsEx/src/threadaoengine.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
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12 <a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> */</span> |
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14 <a name="l00004"></a>00004 |
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15 <a name="l00005"></a>00005 |
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16 <a name="l00006"></a>00006 <span class="comment">// INCLUDES</span> |
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17 <a name="l00007"></a>00007 <span class="preprocessor">#include <e32base.h></span> |
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18 <a name="l00008"></a>00008 <span class="preprocessor">#include <aknnotewrappers.h></span> |
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19 <a name="l00009"></a>00009 |
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20 <a name="l00010"></a>00010 <span class="preprocessor">#include "..\inc\threadaoengine.h"</span> |
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21 <a name="l00011"></a>00011 <span class="preprocessor">#include "SharedIntermediator.h"</span> |
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22 <a name="l00012"></a>00012 <span class="preprocessor">#include "BluetoothRefreshTimer.h"</span> |
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23 <a name="l00013"></a>00013 <span class="preprocessor">#include "Devicelistcontainer.h"</span> |
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24 <a name="l00014"></a>00014 |
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25 <a name="l00015"></a>00015 <span class="comment">// CONSTANTS</span> |
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26 <a name="l00016"></a>00016 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>( KThreadOneName, <span class="stringliteral">"thread1"</span> ); |
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27 <a name="l00017"></a>00017 <span class="keyword">const</span> TInt KStackSize = 4096; |
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28 <a name="l00018"></a>00018 |
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29 <a name="l00019"></a>00019 <span class="comment">// ----------------------------------------------------------------------------</span> |
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30 <a name="l00020"></a>00020 <span class="comment">// CThreadAOEngine::CThreadAOEngine(CSharedIntermediator* aSMediator)</span> |
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31 <a name="l00021"></a>00021 <span class="comment">//</span> |
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32 <a name="l00022"></a>00022 <span class="comment">// Constructor.</span> |
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33 <a name="l00023"></a>00023 <span class="comment">// ----------------------------------------------------------------------------</span> |
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34 <a name="l00024"></a>00024 CThreadAOEngine::CThreadAOEngine( <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator ) : |
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35 <a name="l00025"></a>00025 iCreatedThreads(EFalse), |
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36 <a name="l00026"></a>00026 iSMediator(aSMediator), iListener(0) |
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37 <a name="l00027"></a>00027 { |
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38 <a name="l00028"></a>00028 } |
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39 <a name="l00029"></a>00029 |
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40 <a name="l00030"></a>00030 <span class="comment">// ----------------------------------------------------------------------------</span> |
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41 <a name="l00031"></a>00031 <span class="comment">// CThreadAOEngine::~CThreadAOEngine()</span> |
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42 <a name="l00032"></a>00032 <span class="comment">//</span> |
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43 <a name="l00033"></a>00033 <span class="comment">// Destructor.</span> |
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44 <a name="l00034"></a>00034 <span class="comment">// ----------------------------------------------------------------------------</span> |
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45 <a name="l00035"></a><a class="code" href="class_c_thread_a_o_engine.html#a74d5ebd45dff44ee13467a48ab9ad46c">00035</a> <a class="code" href="class_c_thread_a_o_engine.html#a74d5ebd45dff44ee13467a48ab9ad46c">CThreadAOEngine::~CThreadAOEngine</a>() |
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46 <a name="l00036"></a>00036 { |
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47 <a name="l00037"></a>00037 <span class="comment">// Thread should be killed allready, if thread is already killed this does</span> |
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48 <a name="l00038"></a>00038 <span class="comment">// nothing</span> |
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49 <a name="l00039"></a>00039 iThreadOne.Kill(KErrNone); |
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50 <a name="l00040"></a>00040 <span class="comment">// Handles should be closed</span> |
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51 <a name="l00041"></a>00041 iThreadOne.Close(); |
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52 <a name="l00042"></a>00042 |
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53 <a name="l00043"></a>00043 <span class="keyword">delete</span> iListener; |
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54 <a name="l00044"></a>00044 } |
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55 <a name="l00045"></a>00045 |
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56 <a name="l00046"></a><a class="code" href="class_c_thread_a_o_engine.html#ae47fec51f868c97d25af41502cedb93c">00046</a> <a class="code" href="class_c_thread_a_o_engine.html">CThreadAOEngine</a>* <a class="code" href="class_c_thread_a_o_engine.html#ae47fec51f868c97d25af41502cedb93c">CThreadAOEngine::NewL</a>(<a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator) |
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57 <a name="l00047"></a>00047 { |
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58 <a name="l00048"></a>00048 <a class="code" href="class_c_thread_a_o_engine.html">CThreadAOEngine</a>* <span class="keyword">self</span> = <a class="code" href="class_c_thread_a_o_engine.html#af60ccf499b44adb966152a3b970309a1">CThreadAOEngine::NewLC</a>(aSMediator); |
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59 <a name="l00049"></a>00049 CleanupStack::Pop(<span class="keyword">self</span>); |
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60 <a name="l00050"></a>00050 <span class="keywordflow">return</span> <span class="keyword">self</span>; |
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61 <a name="l00051"></a>00051 } |
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62 <a name="l00052"></a>00052 |
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63 <a name="l00053"></a><a class="code" href="class_c_thread_a_o_engine.html#af60ccf499b44adb966152a3b970309a1">00053</a> <a class="code" href="class_c_thread_a_o_engine.html">CThreadAOEngine</a>* <a class="code" href="class_c_thread_a_o_engine.html#af60ccf499b44adb966152a3b970309a1">CThreadAOEngine::NewLC</a>(<a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator) |
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64 <a name="l00054"></a>00054 { |
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65 <a name="l00055"></a>00055 <a class="code" href="class_c_thread_a_o_engine.html">CThreadAOEngine</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_thread_a_o_engine.html">CThreadAOEngine</a>(aSMediator); |
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66 <a name="l00056"></a>00056 CleanupStack::PushL(<span class="keyword">self</span>); |
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67 <a name="l00057"></a>00057 <span class="keyword">self</span>->ConstructL(); |
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68 <a name="l00058"></a>00058 <span class="keywordflow">return</span> <span class="keyword">self</span>; |
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69 <a name="l00059"></a>00059 } |
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70 <a name="l00060"></a>00060 |
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71 <a name="l00061"></a>00061 <span class="comment">// Standard Symbian OS 2nd phase constructor</span> |
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72 <a name="l00062"></a>00062 <span class="keywordtype">void</span> CThreadAOEngine::ConstructL() |
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73 <a name="l00063"></a>00063 { |
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74 <a name="l00064"></a>00064 } |
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75 <a name="l00065"></a>00065 |
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76 <a name="l00066"></a>00066 <span class="comment">// ----------------------------------------------------------------------------</span> |
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77 <a name="l00067"></a>00067 <span class="comment">// CThreadAOEngine::StartL()</span> |
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78 <a name="l00068"></a>00068 <span class="comment">//</span> |
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79 <a name="l00069"></a>00069 <span class="comment">// Create a new thread (= thread1).</span> |
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80 <a name="l00070"></a>00070 <span class="comment">// ----------------------------------------------------------------------------</span> |
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81 <a name="l00071"></a><a class="code" href="class_c_thread_a_o_engine.html#ac6e884d9c4dec96288fa725385924382">00071</a> <span class="keywordtype">void</span> <a class="code" href="class_c_thread_a_o_engine.html#ac6e884d9c4dec96288fa725385924382">CThreadAOEngine::StartL</a>() |
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82 <a name="l00072"></a>00072 { |
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83 <a name="l00073"></a>00073 |
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84 <a name="l00074"></a>00074 <span class="comment">// Create threads only once</span> |
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85 <a name="l00075"></a>00075 <span class="keywordflow">if</span> ( iCreatedThreads == <span class="keyword">false</span> ) |
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86 <a name="l00076"></a>00076 { |
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87 <a name="l00077"></a>00077 CreateThreadsL(); |
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88 <a name="l00078"></a>00078 } |
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89 <a name="l00079"></a>00079 } |
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90 <a name="l00080"></a>00080 |
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91 <a name="l00081"></a>00081 <span class="comment">// ----------------------------------------------------------------------------</span> |
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92 <a name="l00082"></a>00082 <span class="comment">// CThreadAOEngine::Stop()</span> |
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93 <a name="l00083"></a>00083 <span class="comment">//</span> |
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94 <a name="l00084"></a>00084 <span class="comment">// Stop thread1. Stop thread1 ActiveScheduler.</span> |
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95 <a name="l00085"></a>00085 <span class="comment">// ----------------------------------------------------------------------------</span> |
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96 <a name="l00086"></a><a class="code" href="class_c_thread_a_o_engine.html#a5fce7387851b38d1e5ae0b295511909f">00086</a> <span class="keywordtype">void</span> <a class="code" href="class_c_thread_a_o_engine.html#a5fce7387851b38d1e5ae0b295511909f">CThreadAOEngine::Stop</a>() |
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97 <a name="l00087"></a>00087 { |
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98 <a name="l00088"></a>00088 <span class="comment">// Notify that the BT search should be cancelled.</span> |
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99 <a name="l00089"></a>00089 iSMediator-><a class="code" href="class_c_shared_intermediator.html#a90e24ea996df35031bcee2bd575abbcb">SetStopSearching</a>(ETrue); |
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100 <a name="l00090"></a>00090 } |
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101 <a name="l00091"></a>00091 |
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102 <a name="l00092"></a>00092 <span class="comment">// ----------------------------------------------------------------------------</span> |
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103 <a name="l00093"></a>00093 <span class="comment">// CThreadAOEngine::ExecuteThread(TAny *aPtr)</span> |
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104 <a name="l00094"></a>00094 <span class="comment">//</span> |
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105 <a name="l00095"></a>00095 <span class="comment">// Threadfunction of threadOne. Executed only by threadOne.</span> |
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106 <a name="l00096"></a>00096 <span class="comment">// ----------------------------------------------------------------------------</span> |
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107 <a name="l00097"></a><a class="code" href="class_c_thread_a_o_engine.html#a466c0b37441e2a42ad7d4d237f543f37">00097</a> TInt <a class="code" href="class_c_thread_a_o_engine.html#a466c0b37441e2a42ad7d4d237f543f37">CThreadAOEngine::ExecuteThreadOne</a>(TAny *aPtr) |
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108 <a name="l00098"></a>00098 { |
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109 <a name="l00099"></a>00099 <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* sharedMediator = |
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110 <a name="l00100"></a>00100 <span class="keyword">static_cast<</span><a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>*<span class="keyword">></span>( aPtr ); |
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111 <a name="l00101"></a>00101 |
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112 <a name="l00102"></a>00102 <span class="comment">// Create cleanupstack </span> |
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113 <a name="l00103"></a>00103 CTrapCleanup* cleanupStack = CTrapCleanup::New(); |
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114 <a name="l00104"></a>00104 |
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115 <a name="l00105"></a>00105 <span class="comment">// Test cleanup stack, additional cleanup stack must be prosessed under TRAP</span> |
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116 <a name="l00106"></a>00106 <span class="comment">// We can't use low level cleanup stack handling</span> |
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117 <a name="l00107"></a>00107 TRAPD( error, <a class="code" href="class_c_thread_a_o_engine.html#aa3a782d96f8123de748ed4a95d652db8">CThreadAOEngine::CreateActiveSchedulerL</a>( sharedMediator ) ) |
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118 <a name="l00108"></a>00108 |
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119 <a name="l00109"></a>00109 <span class="keyword">delete</span> cleanupStack; |
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120 <a name="l00110"></a>00110 |
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121 <a name="l00111"></a>00111 <span class="keywordflow">return</span> 0; |
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122 <a name="l00112"></a>00112 } |
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123 <a name="l00113"></a>00113 |
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124 <a name="l00114"></a>00114 |
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125 <a name="l00115"></a>00115 <span class="comment">// ----------------------------------------------------------------------------</span> |
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126 <a name="l00116"></a>00116 <span class="comment">// CThreadAOEngine::CreateActiveScheduler(CSharedIntermediator* aSMediator)</span> |
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127 <a name="l00117"></a>00117 <span class="comment">//</span> |
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128 <a name="l00118"></a>00118 <span class="comment">// Create ActiveScheduler for thread1.</span> |
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129 <a name="l00119"></a>00119 <span class="comment">// ----------------------------------------------------------------------------</span> |
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130 <a name="l00120"></a><a class="code" href="class_c_thread_a_o_engine.html#aa3a782d96f8123de748ed4a95d652db8">00120</a> <span class="keywordtype">void</span> <a class="code" href="class_c_thread_a_o_engine.html#aa3a782d96f8123de748ed4a95d652db8">CThreadAOEngine::CreateActiveSchedulerL</a>(<a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator) |
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131 <a name="l00121"></a>00121 { |
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132 <a name="l00122"></a>00122 <span class="comment">// create a new active scheduler</span> |
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133 <a name="l00123"></a>00123 CActiveScheduler* activeScheduler = <span class="keyword">new</span> (ELeave) CActiveScheduler; |
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134 <a name="l00124"></a>00124 CleanupStack::PushL(activeScheduler); |
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135 <a name="l00125"></a>00125 |
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136 <a name="l00126"></a>00126 <span class="comment">// use static function Install to install previously created scheduler</span> |
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137 <a name="l00127"></a>00127 CActiveScheduler::Install(activeScheduler); |
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138 <a name="l00128"></a>00128 |
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139 <a name="l00129"></a>00129 CActiveSchedulerWait* wait = <span class="keyword">new</span> (ELeave) CActiveSchedulerWait; |
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140 <a name="l00130"></a>00130 CleanupStack::PushL(wait); |
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141 <a name="l00131"></a>00131 |
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142 <a name="l00132"></a>00132 <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* timer = <a class="code" href="class_c_thread_a_o_engine.html#ae47fec51f868c97d25af41502cedb93c">CBluetoothRefreshTimer::NewL</a>( |
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143 <a name="l00133"></a>00133 aSMediator, wait ); |
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144 <a name="l00134"></a>00134 CleanupStack::PushL(timer); |
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145 <a name="l00135"></a>00135 |
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146 <a name="l00136"></a>00136 CActiveScheduler::Add(timer); |
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147 <a name="l00137"></a>00137 |
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148 <a name="l00138"></a>00138 <span class="comment">// Scheduler must have one outstanding request before it can be started.</span> |
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149 <a name="l00139"></a>00139 timer-><a class="code" href="class_c_bluetooth_refresh_timer.html#a8f2c8cdde49f04754b4ed693228da3e0">StartL</a>(); |
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150 <a name="l00140"></a>00140 wait->Start(); |
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151 <a name="l00141"></a>00141 |
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152 <a name="l00142"></a>00142 <span class="comment">// Remove and delete scheduler and the rest.</span> |
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153 <a name="l00143"></a>00143 CleanupStack::PopAndDestroy(3); |
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154 <a name="l00144"></a>00144 } |
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155 <a name="l00145"></a>00145 |
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156 <a name="l00146"></a>00146 |
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157 <a name="l00147"></a>00147 <span class="comment">// ----------------------------------------------------------------------------</span> |
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158 <a name="l00148"></a>00148 <span class="comment">// CThreadAOEngine::CreateThreadsL()</span> |
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159 <a name="l00149"></a>00149 <span class="comment">//</span> |
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160 <a name="l00150"></a>00150 <span class="comment">// Create thread1 and resume it. Activate thread1 listener.</span> |
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161 <a name="l00151"></a>00151 <span class="comment">// ----------------------------------------------------------------------------</span> |
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162 <a name="l00152"></a>00152 <span class="keywordtype">void</span> CThreadAOEngine::CreateThreadsL() |
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163 <a name="l00153"></a>00153 { |
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164 <a name="l00154"></a>00154 <span class="comment">// Create thread which uses the same heap as main program.</span> |
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165 <a name="l00155"></a>00155 iThreadOne.Create( KThreadOneName, <a class="code" href="class_c_thread_a_o_engine.html#a466c0b37441e2a42ad7d4d237f543f37">ExecuteThreadOne</a>, KStackSize, NULL, iSMediator); |
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166 <a name="l00156"></a>00156 iThreadOne.Resume(); |
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167 <a name="l00157"></a>00157 |
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168 <a name="l00158"></a>00158 <span class="comment">// Listen to thread1 state. </span> |
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169 <a name="l00159"></a>00159 iListener = <a class="code" href="class_c_thread_a_o_engine.html#ae47fec51f868c97d25af41502cedb93c">CThreadListener::NewL</a>(iThreadOne); |
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170 <a name="l00160"></a>00160 |
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171 <a name="l00161"></a>00161 iCreatedThreads = ETrue; |
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172 <a name="l00162"></a>00162 } |
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173 <a name="l00163"></a>00163 |
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174 </pre></div></div> |
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