1 /* |
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2 * Copyright (c) 2007 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 the License "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: Implementation of CR servers server class* |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "CCRServer.h" |
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22 #include "CCRSession.h" |
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23 #include "CCREngine.h" |
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24 #include <ipvideo/CRTypeDefs.h> // Constants exported from client library |
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25 #include <e32svr.h> |
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26 #include <e32math.h> |
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27 #include <e32uid.h> |
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28 #include "videoserviceutilsLogger.h" |
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29 |
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30 // CONSTANTS |
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31 // Platform security. Custom check is applied to all IPCs. |
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32 static const int KRangeCount( 1 ); |
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33 |
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34 static const TInt SecurityRanges[KRangeCount] = |
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35 { |
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36 0, // Range is from 0 to KMaxTInt |
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37 }; |
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38 |
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39 static const TUint8 SecurityRangesPolicy[KRangeCount] = |
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40 { |
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41 CPolicyServer::ECustomCheck |
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42 }; |
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43 |
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44 static const CPolicyServer::TPolicy Policy = |
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45 { |
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46 CPolicyServer::EAlwaysPass, |
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47 KRangeCount, |
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48 SecurityRanges, |
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49 SecurityRangesPolicy, |
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50 NULL, |
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51 }; |
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52 |
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53 // ============================ MEMBER FUNCTIONS =============================== |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CCRServer::NewLC() |
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57 // |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CCRServer* CCRServer::NewLC( ) |
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61 { |
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62 CCRServer* self = new( ELeave ) CCRServer; |
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63 CleanupStack::PushL( self ); |
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64 self->ConstructL( ); |
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65 return self; |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CCRServer::CCRServer() |
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70 // C++ constructor |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CCRServer::CCRServer() |
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74 : CPolicyServer( EPriorityRealTimeServer, Policy, ESharableSessions ), |
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75 iSessionCount( 0 ) |
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76 { |
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77 __DECLARE_NAME( _S( "CCRServer" ) ); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CCRServer::ConstructL() |
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82 // second-phase constructor; create the object container index. |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CCRServer::ConstructL( ) |
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86 { |
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87 LOG( "CCRServer::ConstructL()" ); |
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88 |
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89 iContainerIx = CObjectConIx::NewL(); |
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90 iObjectCon = iContainerIx->CreateL(); |
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91 |
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92 StartL( KCRServerNameExe ); |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CCRServer::~CCRServer() |
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97 // Destructor. |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 CCRServer::~CCRServer() |
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101 { |
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102 LOG( "CCRServer::~CCRServer()" ); |
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103 |
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104 DeleteRtpEngine(); |
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105 } |
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106 |
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107 // ----------------------------------------------------------------------------- |
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108 // CCRServer::ThreadFunction() |
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109 // The active scheduler is installed and started here. |
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110 // ----------------------------------------------------------------------------- |
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111 // |
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112 TInt CCRServer::ThreadFunction( ) |
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113 { |
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114 CTrapCleanup* cleanupStack = CTrapCleanup::New(); |
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115 if ( !cleanupStack ) |
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116 { |
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117 PanicServer( KErrNoMemory ); |
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118 } |
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119 |
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120 TRAPD( err, ThreadFunctionL( ) ); |
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121 if ( err ) |
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122 { |
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123 PanicServer( KErrServerTerminated ); |
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124 } |
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125 |
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126 delete cleanupStack; |
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127 cleanupStack = NULL; |
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128 |
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129 return KErrNone; |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CCRServer::ThreadFunctionL() |
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134 // |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 void CCRServer::ThreadFunctionL( ) |
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138 { |
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139 LOG( "CCRServer::ThreadFunctionL() - In" ); |
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140 |
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141 // Construct active scheduler |
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142 CActiveScheduler* activeScheduler = new ( ELeave ) CActiveScheduler; |
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143 CleanupStack::PushL( activeScheduler ); // |-> 1 |
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144 |
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145 // Install active scheduler. |
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146 // We don't need to check whether an active scheduler is already installed |
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147 // as this is a new thread, so there won't be one |
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148 CActiveScheduler::Install( activeScheduler ); |
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149 |
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150 // Construct our server, pushed cleanup stack and leaved there |
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151 CCRServer* server = CCRServer::NewLC( ); // |-> 2 |
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152 |
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153 // Signal server is up |
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154 RProcess::Rendezvous( KErrNone ); |
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155 |
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156 // Start handling requests |
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157 CActiveScheduler::Start(); |
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158 |
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159 CleanupStack::PopAndDestroy( server ); // 2<-| |
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160 CleanupStack::PopAndDestroy( activeScheduler ); // 1<-| |
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161 |
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162 LOG( "CCRServer::ThreadFunctionL() - Out" ); |
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163 } |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // CCRServer::SignalClientL |
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167 // Signal the client that server is running. |
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168 // ----------------------------------------------------------------------------- |
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169 void CCRServer::SignalClientL() |
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170 { |
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171 RSemaphore semaphore; |
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172 User::LeaveIfError( semaphore.OpenGlobal( KCRServerSemaphoreName ) ); |
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173 semaphore.Signal(); |
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174 semaphore.Close(); |
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175 } |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 // CCRServer::PanicServer |
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179 // Utility - panic the server |
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180 // ----------------------------------------------------------------------------- |
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181 void CCRServer::PanicServer( TInt aPanic ) |
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182 { |
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183 LOG1( "CCRServer::PanicServer(), aPanic: %d", aPanic ); |
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184 |
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185 User::Panic( KCRServerNameExe, aPanic ); |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // CCRServer::GetEngineObjectL() |
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190 // |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 CCREngine* CCRServer::GetEngineObjectL() |
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194 { |
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195 if ( iObjectCon->Count() == 0 ) |
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196 { |
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197 // Create CR engine |
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198 iEngine = CCREngine::NewL( ); |
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199 |
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200 // Add our engine to container |
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201 iObjectCon->AddL( iEngine ); |
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202 } |
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203 else |
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204 { |
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205 // default implementation return KErrNone. |
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206 if ( KErrNone != iEngine->Open() ) |
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207 { |
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208 User::Leave( KErrGeneral ); |
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209 } |
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210 } |
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211 |
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212 // We have only one object in our container |
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213 return iEngine; |
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214 } |
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215 |
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216 // ----------------------------------------------------------------------------- |
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217 // CCRServer::Inc() |
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218 // |
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219 // ----------------------------------------------------------------------------- |
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220 // |
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221 void CCRServer::Inc() |
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222 { |
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223 iSessionCount++; |
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224 LOG1( "CCRServer::Inc(), New iSessionCount: %d", iSessionCount ); |
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225 } |
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226 |
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227 // ----------------------------------------------------------------------------- |
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228 // CCRServer::Dec() |
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229 // |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 void CCRServer::Dec() |
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233 { |
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234 iSessionCount--; |
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235 LOG1( "CCRServer::Dec(), New iSessionCount: %d", iSessionCount ); |
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236 |
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237 if ( iSessionCount <= 0 ) |
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238 { |
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239 StopServer(); |
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240 } |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // CCRServer::NewSessionL() |
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245 // |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 CSession2* CCRServer::NewSessionL( |
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249 const TVersion& aVersion, |
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250 const RMessage2& /*aMessage*/ ) const |
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251 { |
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252 // Check version is ok |
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253 TVersion v( KCRServMajorVersionNumber, |
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254 KCRServMinorVersionNumber, |
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255 KCRServBuildVersionNumber ); |
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256 |
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257 if ( !User::QueryVersionSupported( v, aVersion ) ) |
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258 { |
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259 User::Leave( KErrNotSupported ); |
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260 } |
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261 |
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262 // Make new session |
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263 return CCRSession::NewL( ( CCRServer* ) this ); |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CCRServer::StopServer |
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268 // Stops the server thread if no sessions active. |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 void CCRServer::StopServer() |
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272 { |
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273 LOG( "CCRServer::StopServer()" ); |
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274 |
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275 CActiveScheduler::Stop(); |
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276 } |
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277 |
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278 // ----------------------------------------------------------------------------- |
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279 // CCRServer::DeleteRtpEngine |
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280 // Stops active scheduler and deletes object container and other objects. |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 void CCRServer::DeleteRtpEngine() |
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284 { |
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285 LOG1( "CCRServer::DeleteRtpEngine(), iContainerIx: %d", iContainerIx ); |
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286 |
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287 if ( iContainerIx ) |
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288 { |
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289 iContainerIx->Remove( iObjectCon ); |
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290 delete iContainerIx; iContainerIx = NULL; |
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291 } |
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292 } |
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293 |
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294 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // StartThread() |
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298 // Start the server thread. This is called from the client. |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 TInt CCRServer::StartThread() |
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302 { |
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303 #ifdef _DEBUG |
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304 __UHEAP_MARK; |
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305 #endif |
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306 |
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307 LOG( "CCRServer::StartThread() - In" ); |
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308 // Check server not already started |
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309 TFindServer findCountServer( KCRServerNameExe ); |
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310 TFullName name; |
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311 if ( findCountServer.Next( name ) == KErrNone ) |
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312 { |
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313 // Found server already |
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314 TRAP_IGNORE( CCRServer::SignalClientL() ); |
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315 return KErrAlreadyExists; |
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316 } |
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317 |
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318 ThreadFunction( ); |
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319 |
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320 LOG( "CCRServer::StartThread() - Out" ); |
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321 |
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322 #ifdef _DEBUG |
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323 __UHEAP_MARKEND; |
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324 #endif |
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325 |
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326 return KErrNone; |
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327 } |
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328 |
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329 // ----------------------------------------------------------------------------- |
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330 // E32Main() |
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331 // Server startup |
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332 // Returns: KErrNone |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 GLDEF_C TInt E32Main() |
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336 { |
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337 return CCRServer::StartThread(); |
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338 } |
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339 |
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340 // -------------------------------------------------------------------------- |
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341 // CCRServer::CustomSecurityCheckL() |
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342 // -------------------------------------------------------------------------- |
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343 // |
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344 CPolicyServer::TCustomResult CCRServer::CustomSecurityCheckL( |
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345 const RMessage2& aMsg, |
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346 TInt& /*aAction*/, |
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347 TSecurityInfo& /*aMissing*/ ) |
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348 { |
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349 |
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350 TCustomResult retVal ( EFail ); |
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351 |
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352 // Check the messagge function range |
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353 if ( ( aMsg.Function() > ECRServBase && |
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354 aMsg.Function() < ECRServLastEnum ) || |
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355 ( aMsg.Function() > ECRLiveTvBase && |
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356 aMsg.Function() < ECRLiveTvLastEnum ) ) |
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357 { |
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358 // Check if the client has required capabilities |
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359 // From .mmp-file following are CAP_APPLICATION capabilities |
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360 if( ! aMsg.HasCapability(ECapabilityNetworkServices ) || |
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361 ! aMsg.HasCapability(ECapabilityLocalServices ) || |
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362 ! aMsg.HasCapability(ECapabilityLocation ) || |
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363 ! aMsg.HasCapability(ECapabilityReadUserData ) || |
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364 ! aMsg.HasCapability(ECapabilityWriteUserData ) || |
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365 ! aMsg.HasCapability(ECapabilityReadDeviceData ) || |
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366 ! aMsg.HasCapability(ECapabilityWriteDeviceData ) || |
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367 ! aMsg.HasCapability(ECapabilitySwEvent ) ) |
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368 { |
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369 LOG1( |
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370 "CCRServer::CustomSecurityCheckL() No capability for message %d!!!", |
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371 aMsg.Function() ); |
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372 } |
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373 else |
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374 { |
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375 LOG1( |
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376 "CCRServer::CustomSecurityCheckL() Message %d inside range and capabilities ok", |
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377 aMsg.Function() ); |
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378 retVal = EPass; |
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379 } |
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380 } |
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381 else |
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382 { |
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383 LOG1( |
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384 "CCRServer::CustomSecurityCheckL() Message %d outside known range!!!", |
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385 aMsg.Function() ); |
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386 } |
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387 |
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388 return retVal; |
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389 |
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390 } |
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391 // End of File |
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392 |
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