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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 "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 |
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15 * |
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16 */ |
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17 |
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18 #include "RTcFileHandler.h" |
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19 #include "FileHandlerConstants.h" |
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20 |
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21 EXPORT_C RTcFileHandler::RTcFileHandler() |
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22 : iIsConnected( EFalse ) |
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23 { |
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24 } |
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25 |
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26 EXPORT_C void RTcFileHandler::Close() |
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27 { |
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28 // Close the session if we are connected |
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29 if( iIsConnected ) |
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30 { |
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31 SendReceive( ECloseSession, TIpcArgs() ); |
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32 |
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33 RHandleBase::Close(); |
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34 iIsConnected = EFalse; |
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35 } |
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36 } |
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37 |
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38 EXPORT_C TInt RTcFileHandler::Connect() |
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39 { |
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40 // Are we already connected? |
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41 if( iIsConnected ) |
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42 { |
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43 return KErrAlreadyExists; |
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44 } |
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45 |
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46 // Try starting the server, it is safe |
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47 // to call StartServer() even if a server is already running. |
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48 TRAPD( status, StartServerL() ); |
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49 |
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50 // If server was started (or was already running), |
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51 // establish a session to it. |
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52 if( status == KErrNone ) |
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53 { |
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54 status = CreateSession( KTcFileHandlerName, |
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55 Version(), |
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56 KTcFileHandlerMessageSlots ); |
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57 |
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58 // if connection was established succesfully, go configure the session. |
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59 if( status == KErrNone ) |
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60 { |
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61 iIsConnected = ETrue; |
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62 |
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63 return SendReceive( EConfigAndStart, |
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64 TIpcArgs() ); |
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65 } |
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66 } |
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67 |
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68 return status; |
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69 } |
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70 |
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71 EXPORT_C TInt RTcFileHandler::CreateFile( |
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72 const TDesC8& aDestinationPath, |
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73 const TDesC8& aData ) |
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74 { |
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75 return SendReceive( ECreateFile, TIpcArgs( &aDestinationPath, &aData ) ); |
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76 } |
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77 |
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78 EXPORT_C TInt RTcFileHandler::CopyFile( |
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79 const TDesC8& aSourcePath, |
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80 const TDesC8& aDestinationPath ) |
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81 { |
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82 return SendReceive( ECopyFile, TIpcArgs( &aSourcePath, &aDestinationPath ) ); |
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83 } |
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84 |
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85 EXPORT_C TInt RTcFileHandler::DeleteFile( const TDesC8& aDestinationPath ) |
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86 { |
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87 return SendReceive( EDeleteFile, TIpcArgs( &aDestinationPath ) ); |
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88 } |
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89 |
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90 EXPORT_C TVersion RTcFileHandler::Version() const |
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91 { |
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92 TVersion version( KTcFileHandlerMajorVersion, |
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93 KTcFileHandlerMinorVersion, |
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94 KTcFileHandlerBuildVersion ); |
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95 return version; |
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96 } |
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97 |
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98 void RTcFileHandler::StartServerL() |
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99 { |
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100 if( !IsServerStarted() ) |
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101 { |
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102 // Create a global semaphore for waiting the server to start |
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103 RSemaphore semaphore; |
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104 TInt status = semaphore.OpenGlobal( KTcFileHandlerName ); |
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105 if( status == KErrNotFound ) |
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106 { |
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107 User::LeaveIfError( semaphore.CreateGlobal( KTcFileHandlerName, 0 ) ); |
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108 } |
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109 CleanupClosePushL( semaphore ); |
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110 |
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111 // We need to create a thread on WINS and a new process on ARMI/THUMB. |
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112 #if ( defined (__WINS__) && !defined (EKA2) ) |
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113 |
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114 // Load the server dll |
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115 RLibrary library; |
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116 User::LeaveIfError( library.Load( KTcFileHandlerName, |
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117 TUidType( KNullUid, KNullUid, KNullUid ) ) ); |
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118 CleanupClosePushL( library ); |
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119 |
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120 // Look up the entry point function (always at ordinal #1) |
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121 TLibraryFunction first = library.Lookup( 1 ); |
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122 TThreadFunction entry = reinterpret_cast< TThreadFunction >( first() ); |
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123 if( !entry ) |
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124 { |
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125 User::Leave( KErrBadLibraryEntryPoint ); |
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126 } |
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127 |
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128 // We have to simulate the process with a thread on WINS |
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129 RThread server; |
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130 User::LeaveIfError( server.Create( KTcFileHandlerName, |
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131 entry, |
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132 KDefaultStackSize, |
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133 NULL, |
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134 &library, |
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135 NULL, |
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136 0x4000, |
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137 0x100000, |
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138 EOwnerProcess |
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139 ) ); |
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140 |
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141 |
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142 // If successful, server thread has handle to library now |
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143 CleanupStack::PopAndDestroy(); // library |
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144 |
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145 #else |
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146 // Load the server executable. |
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147 // Path (\System\Programs or \sys\bin) and extension (.exe) are added automatically |
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148 RProcess server; |
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149 User::LeaveIfError( server.Create( KTcFileHandlerName, |
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150 KNullDesC, |
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151 TUidType( KNullUid, KNullUid, KNullUid ) ) ); |
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152 #endif |
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153 |
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154 CleanupClosePushL( server ); |
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155 |
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156 // Start executing the server. |
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157 server.Resume(); |
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158 // Wait until it has initialized. |
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159 semaphore.Wait(); |
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160 |
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161 // Close handles |
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162 CleanupStack::PopAndDestroy( 2 ); // server, semaphore |
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163 } |
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164 |
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165 } |
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166 |
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167 TBool RTcFileHandler::IsServerStarted() const |
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168 { |
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169 TFindServer findServer( KTcFileHandlerName ); |
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170 TFullName name; |
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171 return ( findServer.Next( name ) == KErrNone ); |
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172 } |