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1 /* |
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2 * Copyright (c) 2004 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: |
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15 * Implementation of class FavouritesSrv |
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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 |
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21 // INCLUDE FILES |
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22 |
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23 #include "FavouritesSession.h" |
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24 #include "FavouritesSrv.h" |
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25 #include "FavouritesSrvSession.h" |
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26 #include "FavouritesDef.h" |
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27 #include "FavouritesLogger.h" |
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28 #include "Timeout.h" |
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29 #include "FavouritesUtil.h" |
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30 #include "BackupObserver.h" |
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31 #include "FavouritesMsg.h" |
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32 |
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33 #ifdef __MYSERVER_NO_PROCESSES__ |
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34 |
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35 // ==================== LOCAL FUNCTIONS ==================== |
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36 |
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37 /** |
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38 * WINS thread entry function. |
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39 * @param aPtr Not used. |
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40 * @return Error code. |
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41 */ |
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42 LOCAL_C TInt ThreadEntryFunc( TAny* /*aPtr*/ ) |
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43 { |
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44 return FavouritesSrv::Run(); |
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45 } |
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46 |
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47 #endif |
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48 |
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49 /** |
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50 * Stop the Active Scheduler. |
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51 * @param aPtr Not used. |
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52 * @return KErrNone. |
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53 */ |
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54 LOCAL_C TInt StopScheduler( TAny* /*aPtr*/ ) |
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55 { |
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56 // Called by the exit timer, after all clients disconnected (plus a small |
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57 // delay). Stop the scheduler, this will enable he thread exit. |
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58 FLOG(( _L("StopScheduler") )); |
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59 CActiveScheduler::Stop(); |
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60 return KErrNone; |
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61 } |
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62 |
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63 /** |
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64 * Create a server. |
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65 * @param Pointer to created server (if created) returned here. |
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66 * @return Error code. |
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67 */ |
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68 LOCAL_C TInt CreateServer( CFavouritesSrv*& aServer ) |
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69 { |
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70 // Server is not allowed to be created if Secure Backup is in progress |
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71 |
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72 TBool backupInProgress = EFalse; // This useless initialization is done |
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73 // because of RVCT compiler warning so do not delete it. |
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74 |
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75 TRAPD( err, backupInProgress = FavouritesUtil::IsBackupInProgressL()); |
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76 |
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77 if(!err) |
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78 { |
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79 if(!backupInProgress) |
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80 { |
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81 // The TRAP is not working in the same stack frame where the |
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82 // CTrapCleanup was created. This is why we need this function. |
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83 TRAP( err, aServer = CFavouritesSrv::NewL() ); |
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84 } |
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85 else |
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86 { |
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87 err = KErrLocked; |
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88 } |
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89 } |
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90 |
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91 return err; |
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92 } |
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93 |
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94 // ================= MEMBER FUNCTIONS ======================= |
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95 |
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96 // --------------------------------------------------------- |
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97 // FavouritesSrv::Start |
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98 // --------------------------------------------------------- |
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99 // |
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100 TInt FavouritesSrv::Start() |
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101 { |
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102 FLOG(( _L("FavouritesSrv::Start") )); |
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103 TInt err( KErrNone ); |
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104 #ifdef __MYSERVER_NO_PROCESSES__ |
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105 RThread server; |
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106 err = server.Create |
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107 ( |
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108 KFavouritesSrvName, |
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109 ThreadEntryFunc, |
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110 KFavouritesSrvStackSize, |
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111 KFavouritesSrvMinHeapSize, |
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112 KFavouritesSrvMaxHeapSize, |
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113 NULL, |
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114 EOwnerProcess |
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115 ); |
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116 FLOG(( _L(" thread created (%d)"), err )); |
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117 #else |
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118 RProcess server; |
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119 err = server.Create |
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120 ( |
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121 KFavouritesSrvExe, |
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122 KNullDesC, |
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123 TUidType( KNullUid, KNullUid, KFavouritesUid ), |
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124 EOwnerThread |
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125 ); |
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126 FLOG(( _L(" process created (%d)"), err )); |
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127 #endif |
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128 if ( !err ) |
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129 { |
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130 TRequestStatus status; |
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131 server.Rendezvous( status ); |
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132 if ( status != KRequestPending ) |
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133 { |
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134 FLOG(( _L("FavouritesSrv::Start: abort startup") )); |
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135 server.Kill( 0 ); // Abort startup. |
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136 } |
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137 else |
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138 { |
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139 FLOG(( _L("FavouritesSrv::Start: resume server") )); |
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140 server.Resume(); // Logon OK - start the server. |
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141 } |
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142 User::WaitForRequest( status ); // Wait for start or death. |
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143 // We can't use the 'exit reason' if the server panicked as this |
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144 // is the panic 'reason' and may be '0' which cannot be distinguished |
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145 // from KErrNone. |
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146 err = (server.ExitType() == EExitPanic) ? KErrGeneral : status.Int(); |
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147 server.Close(); |
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148 } |
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149 FLOG(( _L("FavouritesSrv::Start: returns (%d)"), err )); |
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150 return err; |
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151 } |
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152 |
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153 // --------------------------------------------------------- |
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154 // FavouritesSrv::Run |
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155 // --------------------------------------------------------- |
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156 // |
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157 EXPORT_C TInt FavouritesSrv::Run() |
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158 { |
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159 FLOG(( _L("FavouritesSrv::Run") )); |
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160 __UHEAP_MARK; |
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161 |
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162 CTrapCleanup* trapCleanup = NULL; |
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163 CActiveScheduler* activeScheduler = NULL; |
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164 CFavouritesSrv* server = NULL; |
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165 |
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166 TInt err = User::RenameThread( KFavouritesSrvName ); |
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167 if ( !err ) |
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168 { |
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169 // Create a trap cleanup, make and install an active scheduler. |
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170 err = KErrNoMemory; |
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171 trapCleanup = CTrapCleanup::New(); |
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172 if ( trapCleanup ) |
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173 { |
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174 activeScheduler = new CActiveScheduler(); |
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175 if ( activeScheduler ) |
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176 { |
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177 CActiveScheduler::Install( activeScheduler ); |
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178 err = CreateServer( server ); // Not pushed (no leaving). |
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179 if ( !err ) |
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180 { |
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181 err = server->Start( KFavouritesSrvName ); |
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182 FLOG(( _L(" server started: (%d)"), err )); |
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183 } |
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184 } |
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185 } |
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186 } |
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187 // Let the caller know how it went. |
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188 #ifdef __MYSERVER_NO_PROCESSES__ |
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189 RThread::Rendezvous( err ); |
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190 #else |
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191 RProcess::Rendezvous( err ); |
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192 #endif |
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193 if ( !err ) |
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194 { |
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195 FLOG(( _L("FavouritesSrv::Run: starting active scheduler") )); |
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196 CActiveScheduler::Start(); |
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197 FLOG(( _L("FavouritesSrv::Run: active scheduler stopped") )); |
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198 } |
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199 |
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200 CActiveScheduler::Install( NULL ); |
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201 delete activeScheduler; |
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202 |
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203 FLOG(( _L("delete server") )); |
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204 |
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205 delete server; |
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206 |
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207 delete trapCleanup; |
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208 |
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209 __UHEAP_MARKEND; |
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210 FLOG(( _L("FavouritesSrv::Run returns (%d)"), err )); |
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211 return err; |
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212 } |
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213 |
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214 // ================= MEMBER FUNCTIONS ======================= |
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215 |
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216 // Platform security |
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217 |
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218 // Custom check is applied to all IPCs. As IPC ids contain not only the ids |
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219 // but other information is embadded into them. |
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220 |
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221 static const int KRangeCount = 1; |
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222 |
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223 static const TInt SecurityRanges[KRangeCount] = |
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224 { |
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225 EFavengNullFunction, |
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226 }; |
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227 |
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228 static const TUint8 SecurityRangesPolicy[KRangeCount] = |
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229 { |
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230 CPolicyServer::ECustomCheck |
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231 }; |
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232 |
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233 static const CPolicyServer::TPolicy Policy = |
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234 { |
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235 CPolicyServer::EAlwaysPass, |
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236 KRangeCount, |
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237 SecurityRanges, |
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238 SecurityRangesPolicy, |
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239 NULL, |
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240 }; |
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241 |
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242 // --------------------------------------------------------- |
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243 // CFavouritesSrv::CustomSecurityCheckL |
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244 // --------------------------------------------------------- |
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245 // |
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246 CPolicyServer::TCustomResult CFavouritesSrv::CustomSecurityCheckL( |
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247 const RMessage2& aMsg, TInt& /*aAction*/, TSecurityInfo& /*aMissing*/) |
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248 { |
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249 TFavouritesMsg msg( aMsg.Function() ); |
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250 |
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251 TFavouritesFunction func = msg.Function(); |
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252 |
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253 TCustomResult ret = EFail; |
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254 |
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255 if(func > EFavengTestCapabilityStart && |
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256 func < EFavengTestCapabilityEnd) |
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257 { |
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258 if(aMsg.HasCapability(ECapabilityAllFiles)) |
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259 { |
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260 ret = EPass; |
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261 } |
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262 } |
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263 else if(func > EFavengReadCapabilityStart && |
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264 func < EFavengReadCapabilityEnd) |
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265 { |
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266 if(aMsg.HasCapability(ECapabilityReadUserData)) |
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267 { |
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268 ret = EPass; |
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269 } |
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270 } |
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271 else if(func > EFavengWriteCapabilityStart && |
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272 func < EFavengWriteCapabilityEnd) |
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273 { |
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274 if(aMsg.HasCapability(ECapabilityWriteUserData)) |
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275 { |
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276 ret = EPass; |
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277 } |
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278 } |
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279 else |
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280 { |
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281 // Left empty by design |
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282 } |
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283 |
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284 return ret; |
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285 } |
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286 |
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287 // --------------------------------------------------------- |
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288 // CFavouritesSrv::NewL |
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289 // --------------------------------------------------------- |
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290 // |
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291 CFavouritesSrv* CFavouritesSrv::NewL() |
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292 { |
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293 CFavouritesSrv* srv = new (ELeave) CFavouritesSrv(); |
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294 CleanupStack::PushL( srv ); |
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295 srv->ConstructL(); |
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296 CleanupStack::Pop(); |
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297 return srv; |
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298 } |
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299 |
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300 // --------------------------------------------------------- |
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301 // CFavouritesSrv::~CFavouritesSrv |
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302 // --------------------------------------------------------- |
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303 // |
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304 CFavouritesSrv::~CFavouritesSrv() |
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305 { |
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306 delete iExitTimer; |
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307 delete iBackupObserver; |
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308 } |
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309 |
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310 // --------------------------------------------------------- |
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311 // CFavouritesSrv::SessionClosed |
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312 // --------------------------------------------------------- |
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313 // |
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314 void CFavouritesSrv::SessionClosed() |
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315 { |
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316 FLOG(( _L("CFavouritesSrv::SessionClosed") )); |
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317 iSessionIter.SetToFirst(); |
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318 iSessionIter++; |
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319 if ( iSessionIter++ == 0 ) |
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320 { |
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321 // Schedule exit when last client has closed. |
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322 iExitTimer->Cancel(); // Safety code: cancel if running. |
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323 FLOG(( _L(" start exit timer") )); |
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324 iExitTimer->After |
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325 ( TTimeIntervalMicroSeconds32( KFavouritesSrvExitDelay ) ); |
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326 } |
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327 } |
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328 |
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329 // --------------------------------------------------------- |
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330 // CFavouritesSrv::PanicClient() |
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331 // --------------------------------------------------------- |
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332 // |
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333 void CFavouritesSrv::PanicClient( TInt aCode ) |
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334 { |
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335 iReceivedMessage.Panic( KFavouritesSrvName, aCode ); |
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336 } |
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337 |
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338 // --------------------------------------------------------- |
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339 // CFavouritesSrv::CFavouritesSrv |
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340 // --------------------------------------------------------- |
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341 // |
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342 CFavouritesSrv::CFavouritesSrv() : |
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343 CPolicyServer(CActive::EPriorityStandard, Policy, ESharableSessions) |
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344 { |
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345 } |
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346 |
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347 // --------------------------------------------------------- |
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348 // CFavouritesSrv::ConstructL |
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349 // --------------------------------------------------------- |
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350 // |
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351 void CFavouritesSrv::ConstructL() |
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352 { |
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353 FLOG(( _L("CFavouritesSrv::ConstructL") )); |
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354 iExitTimer = CTimeout::NewL |
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355 ( CActive::EPriorityStandard, TCallBack( StopScheduler, NULL ) ); |
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356 FLOG(( _L(" start exit timer") )); |
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357 iExitTimer->After |
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358 ( TTimeIntervalMicroSeconds32( KFavouritesSrvExitDelay ) ); |
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359 |
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360 iBackupObserver = CBackupObserver::NewL(); |
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361 } |
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362 |
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363 // --------------------------------------------------------- |
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364 // CFavouritesSrv::NewSessionL |
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365 // --------------------------------------------------------- |
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366 // |
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367 CSession2* CFavouritesSrv::NewSessionL |
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368 ( const TVersion& aVersion, const RMessage2& /*aMessage*/ ) const |
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369 { |
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370 FLOG(( _L("CFavouritesSrv::NewSessionL") )); |
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371 if ( !User::QueryVersionSupported |
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372 ( RFavouritesSession::Version(), aVersion ) ) |
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373 { |
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374 User::Leave( KErrNotSupported ); |
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375 } |
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376 CSession2* session = CFavouritesSession::NewL(); |
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377 iExitTimer->Cancel(); // We have a client, cancel exit (if pending). |
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378 return session; |
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379 } |
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380 |
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381 // End of File |