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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This file contains the implementation of the |
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15 * CHtiBtCommServer class. |
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16 * CHtiBtCommServer handles Symbian server side operations |
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17 * such as server starting and client session creation. |
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18 * |
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19 */ |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 #include "HtiBtClientServerCommon.h" |
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24 #include "HtiBtCommServer.h" |
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25 #include "HtiBtCommServerSession.h" |
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26 #include "Logger.h" |
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27 |
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28 #include <e32base.h> |
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29 #include <e32std.h> |
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30 #include <e32svr.h> |
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31 #include <e32uid.h> |
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32 |
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33 // CONSTANTS |
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34 // For memory allocations |
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35 const TUint KBtCommServerHeapSizeMin = 0x6000; |
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36 const TUint KBtCommServerHeapSizeMax = 0x20000; |
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37 const TUint KBtCommServerStackSize = 0x8000; |
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38 |
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39 |
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40 //***************************************************************************** |
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41 // |
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42 // Class CHtiBtCommServer |
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43 // |
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44 //***************************************************************************** |
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45 |
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46 /*---------------------------------------------------------------------------*/ |
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47 CHtiBtCommServer::CHtiBtCommServer( TInt aPriority ) |
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48 : CServer2( aPriority, ESharableSessions ) |
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49 { |
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50 LOGFW(DebugLog(_L("CHtiBtCommServer: CHtiBtCommServer()"))) |
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51 __DECLARE_NAME(_S( "CHtiBtCommServer" )); |
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52 } |
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53 |
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54 /*---------------------------------------------------------------------------*/ |
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55 void CHtiBtCommServer::ConstructL() |
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56 { |
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57 LOGFW(DebugLog(_L("CHtiBtCommServer: ConstructL()"))) |
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58 } |
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59 |
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60 /*---------------------------------------------------------------------------*/ |
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61 CHtiBtCommServer* CHtiBtCommServer::NewL() |
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62 { |
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63 LOGFW(DebugLog(_L("CHtiBtCommServer: NewL()"));) |
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64 |
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65 CHtiBtCommServer *pS = |
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66 new (ELeave) CHtiBtCommServer( EBtCommServerPriority ); |
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67 CleanupStack::PushL( pS ); |
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68 __ASSERT_ALWAYS( pS != NULL, PanicServer( ESvrCreateServer ) ); |
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69 |
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70 pS->ConstructL(); |
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71 CleanupStack::Pop( pS ); |
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72 User::SetProcessCritical( User::ENotCritical ); |
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73 User::SetCritical( User::ENotCritical ); |
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74 LOGFW(InfoLog(_L("Server was started"))) |
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75 return pS; |
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76 } |
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77 |
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78 /*---------------------------------------------------------------------------*/ |
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79 CHtiBtCommServer::~CHtiBtCommServer() |
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80 { |
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81 LOGFW(DebugLog(_L("CHtiBtCommServer: ~CHtiBtCommServer()"))) |
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82 } |
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83 |
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84 /*---------------------------------------------------------------------------*/ |
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85 void CHtiBtCommServer::SessionFreed() |
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86 { |
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87 LOGFW(DebugLog(_L("CHtiBtCommServer: SessionFreed(): Stopping active scheduler"));) |
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88 iSession = NULL; // iSession is owned by server framework, not deleted here |
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89 CActiveScheduler::Stop(); |
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90 LOGFW(DebugLog(_L("CHtiBtCommServer: SessionFreed(): Done"));) |
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91 } |
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92 |
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93 /*---------------------------------------------------------------------------*/ |
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94 void CHtiBtCommServer::SessionCreated( CHtiBtCommServerSession* aSession ) |
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95 { |
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96 LOGFW(DebugLog(_L("CHtiBtCommServer: SessionCreated()"));) |
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97 iSession = aSession; |
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98 } |
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99 |
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100 /*---------------------------------------------------------------------------*/ |
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101 CSession2* CHtiBtCommServer::NewSessionL( const TVersion &aVersion, |
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102 const RMessage2& aMessage ) const |
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103 { |
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104 LOGFW(DebugLog(_L("CHtiBtCommServer: NewSessionL() - IPC V2"));) |
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105 aMessage.IsNull(); |
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106 if ( iSession ) |
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107 User::Leave( KErrAlreadyExists ); // Allow only one session |
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108 |
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109 // Check that server is the right version |
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110 TVersion ver( KBtCommServerMajorVersionNumber, |
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111 KBtCommServerMinorVersionNumber, |
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112 KBtCommServerBuildVersionNumber ); |
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113 if ( !User::QueryVersionSupported( ver, aVersion ) ) |
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114 { |
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115 User::Leave( KErrNotSupported ); |
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116 } |
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117 return CHtiBtCommServerSession::NewL( (CHtiBtCommServer*)this ); |
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118 } |
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119 |
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120 /*---------------------------------------------------------------------------*/ |
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121 GLDEF_C TInt CHtiBtCommServer::ThreadFunction( TAny* anArg ) |
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122 { |
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123 LOGFW(_L("CHtiBtCommServer: ThreadFunction(): Starting")); |
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124 |
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125 __UHEAP_MARK; |
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126 |
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127 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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128 |
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129 // Convert argument into semaphore reference |
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130 RSemaphore& semaphore = *(RSemaphore*)anArg; |
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131 |
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132 // Start scheduler... |
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133 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Installing active scheduler"));) |
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134 CActiveScheduler *pA = new CActiveScheduler; |
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135 __ASSERT_ALWAYS( pA != NULL, PanicServer( EMainSchedulerError ) ); |
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136 CActiveScheduler::Install( pA ); |
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137 |
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138 CHtiBtCommServer* pS = NULL; |
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139 TRAPD(err, |
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140 // ...and server |
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141 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Creating server instance"));) |
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142 pS = CHtiBtCommServer::NewL(); |
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143 ) |
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144 |
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145 if ( err != KErrNone ) |
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146 { |
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147 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Failed creating server instance"));) |
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148 } |
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149 |
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150 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Starting server"));) |
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151 __ASSERT_ALWAYS( pS->Start(KBtCommServerName) == KErrNone, |
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152 PanicServer( ESvrStartServer ) ); // Make first request pending, |
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153 |
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154 // Signal that server has started |
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155 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Signalling client: server is up and running"));) |
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156 semaphore.Signal(); |
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157 |
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158 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Waiting for server's death"));) |
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159 // Start receiving requests from clients |
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160 CActiveScheduler::Start(); |
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161 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Server was stopped"));) |
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162 LOGFW(InfoLog(_L("Server was stopped"))) |
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163 delete pS; |
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164 LOGFW(DebugLog(_L("CHtiBtCommServer: ThreadFunction(): Server was deleted"));) |
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165 |
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166 // Finished |
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167 delete pA; |
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168 pA = NULL; |
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169 |
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170 // Destroy clean-up stack |
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171 delete cleanup; |
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172 cleanup = NULL; |
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173 |
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174 __UHEAP_MARKEND; |
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175 return KErrNone; |
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176 } |
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177 |
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178 /*---------------------------------------------------------------------------*/ |
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179 GLDEF_C void PanicServer( TBtCommServerPanic aPanic ) |
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180 { |
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181 LOGFW(DebugLog(_L("CHtiBtCommServer: PanicServer()"));) |
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182 _LIT( KTxtServerPanic, "BtCommServer panic" ); |
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183 User::Panic( KTxtServerPanic, aPanic ); |
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184 } |
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185 |
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186 /*---------------------------------------------------------------------------*/ |
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187 EXPORT_C TInt StartThread() |
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188 { |
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189 // LOGFW(_L("CHtiBtCommServer: StartThread()")); |
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190 TInt res = KErrNone; |
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191 |
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192 // Create server - if one of this name does not already exist |
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193 TFindServer findBtCommServer( KBtCommServerName ); |
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194 TFullName name; |
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195 if ( findBtCommServer.Next( name ) != KErrNone ) // Server doesn't exist |
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196 { |
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197 // Create a semaphore to know when thread initialization has finished |
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198 RSemaphore semaphore; |
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199 semaphore.CreateLocal(0); |
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200 |
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201 // LOGFW(_L("CHtiBtCommServer: Created Semaphore...\n")); |
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202 |
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203 // Create new server thread and thread's main function |
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204 RThread thread; |
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205 res = thread.Create( KBtCommServerName, |
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206 CHtiBtCommServer::ThreadFunction, |
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207 KBtCommServerStackSize, |
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208 KBtCommServerHeapSizeMin, |
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209 KBtCommServerHeapSizeMax, |
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210 &semaphore ); |
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211 |
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212 |
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213 if ( res == KErrNone ) // Thread created ok - now start it going |
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214 { |
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215 // LOGFW(_L("CHtiBtCommServer: StartThread() - Create OK")); |
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216 |
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217 thread.SetPriority( EPriorityNormal ); |
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218 // TRequestStatus stat1; |
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219 // thread.Logon(stat1); |
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220 |
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221 thread.Resume(); // Start it going |
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222 |
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223 semaphore.Wait(); // Wait until it's initialized |
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224 |
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225 thread.Close(); // No longer interest in the other thread |
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226 } |
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227 else // Thread not created ok |
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228 { |
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229 // No further interest in it |
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230 // LOGFW(_L("CHtiBtCommServer: StartThread() - Create FAIL")); |
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231 thread.Close(); |
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232 } |
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233 semaphore.Close(); |
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234 } |
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235 return res; |
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236 } |
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237 |
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238 /*---------------------------------------------------------------------------*/ |
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239 GLDEF_C TInt E32Main() |
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240 { |
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241 return KErrNone; |
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242 } |
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243 |
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244 // End of the file |