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1 /* |
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2 * Copyright (c) 2008-2009 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 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 * Implements CStsServer. |
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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 @file |
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22 @internalComponent |
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23 @released |
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24 */ |
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25 |
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26 #include "stsserver.h" |
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27 #include "stsserversession.h" |
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28 #include <random.h> |
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29 #include <e32cmn.h> |
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30 #include <e32std.h> |
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31 #include <usif/sts/stsdefs.h> |
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32 #include "usiflog.h" |
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33 |
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34 namespace Usif |
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35 { |
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36 |
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37 CStsServerSession::CStsServerSession(CStsServer& aStsserver) |
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38 : CScsSession(static_cast<CScsServer &>(aStsserver)) |
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39 { |
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40 } |
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41 |
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42 CStsServerSession::~CStsServerSession() |
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43 { |
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44 if (iTransactionPtr) |
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45 TRAP_IGNORE(static_cast<CStsServer*>(&iServer)->ReleaseTransactionL(iTransactionPtr)); |
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46 } |
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47 |
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48 CStsServerSession* CStsServerSession::NewL(CStsServer &aServer, const RMessage2& /*aMessage*/) |
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49 { |
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50 CStsServerSession* self = new (ELeave) CStsServerSession(aServer); |
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51 CleanupStack::PushL(self); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop(self); |
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54 return self; |
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55 } |
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56 |
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57 void CStsServerSession::ConstructL() |
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58 { |
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59 CScsSession::ConstructL(); |
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60 } |
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61 |
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62 |
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63 _LIT(KStsPanicCategory, "StsServer"); |
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64 static const TInt KInvalidMessagePanicCode = KErrArgument; |
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65 |
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66 TBool CStsServerSession::DoServiceL(TInt aFunction, const RMessage2& aMessage) |
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67 { |
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68 DEBUG_PRINTF2(_L("CStsServerSession::DoServiceL() - Function %d"), static_cast<TStsClientServerFunctionType>(aFunction)); |
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69 |
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70 TBool ret = ETrue; //used in CScsSession::ServiceL(); if set to ETRue >> aMessage.Complete(KErrNone); is executed |
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71 TStsTransactionId transactionID; |
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72 TPckg<TStsTransactionId> idPkg(transactionID); |
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73 RBuf buf; |
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74 CStsServer* server=static_cast<CStsServer*>(&iServer); |
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75 |
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76 switch(static_cast<TStsClientServerFunctionType>(aFunction)) |
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77 { |
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78 case ECreateTransaction: |
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79 { |
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80 if(iTransactionPtr) |
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81 { |
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82 User::Leave(KErrInUse); |
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83 } |
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84 iTransactionPtr = server->CreateTransactionL(); |
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85 transactionID = iTransactionPtr->TransactionId(); |
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86 aMessage.WriteL(KIdIPCSlot, idPkg); |
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87 break; |
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88 } |
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89 case EOpenTransaction: |
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90 { |
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91 if(iTransactionPtr) |
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92 { |
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93 User::Leave(KErrInUse); |
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94 } |
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95 aMessage.ReadL(KIdIPCSlot, idPkg, 0); |
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96 iTransactionPtr = server->AttachTransactionL(transactionID); |
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97 break; |
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98 } |
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99 case ERegisterNew: |
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100 { |
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101 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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102 buf.CreateL(KMaxFileName); |
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103 buf.CleanupClosePushL(); |
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104 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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105 iTransactionPtr->RegisterNewL(buf); |
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106 CleanupStack::PopAndDestroy(&buf); |
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107 break; |
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108 } |
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109 case ECreateNew: |
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110 { |
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111 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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112 // Taking the filename size from the IPC Arguments |
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113 // No need to do any validation of filename as it is done by File Server |
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114 TInt srcFileNameLen = aMessage.GetDesLengthL(KFilePathIPCSlot); |
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115 buf.CreateL(srcFileNameLen); |
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116 buf.CleanupClosePushL(); |
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117 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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118 TPckgBuf<TFileMode> pkgFileMode; |
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119 aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0); |
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120 RFile newFile; |
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121 CleanupClosePushL(newFile); |
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122 iTransactionPtr->CreateNewL(buf, newFile, pkgFileMode()); |
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123 User::LeaveIfError(newFile.TransferToClient(aMessage, KFileHandleIPCSlot)); |
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124 ASSERT(aMessage.IsNull()); // message should have been completed |
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125 ret = EFalse; //message need not be completed in CScsSession::ServiceL() |
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126 CleanupStack::PopAndDestroy(2, &buf); |
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127 break; |
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128 } |
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129 case ERemove: |
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130 { |
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131 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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132 buf.CreateL(KMaxFileName); |
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133 buf.CleanupClosePushL(); |
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134 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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135 iTransactionPtr->RemoveL(buf); |
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136 CleanupStack::PopAndDestroy(&buf); |
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137 break; |
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138 } |
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139 case ERegisterTemporary: |
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140 { |
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141 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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142 buf.CreateL(KMaxFileName); |
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143 buf.CleanupClosePushL(); |
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144 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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145 iTransactionPtr->RegisterTemporaryL(buf); |
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146 CleanupStack::PopAndDestroy(&buf); |
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147 break; |
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148 } |
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149 case ECreateTemporary: |
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150 { |
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151 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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152 // Taking the filename size from the IPC Arguments |
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153 // No need to do any validation of filename as it is done by File Server |
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154 TInt srcFileNameLen = aMessage.GetDesLengthL(KFilePathIPCSlot); |
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155 buf.CreateL(srcFileNameLen); |
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156 buf.CleanupClosePushL(); |
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157 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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158 TPckgBuf<TFileMode> pkgFileMode; |
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159 aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0); |
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160 RFile newTempFile; |
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161 CleanupClosePushL(newTempFile); |
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162 iTransactionPtr->CreateTemporaryL(buf, newTempFile, pkgFileMode()); |
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163 User::LeaveIfError(newTempFile.TransferToClient(aMessage, KFileHandleIPCSlot)); |
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164 ASSERT(aMessage.IsNull()); // message should have been completed |
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165 ret = EFalse; //message need not be completed in CScsSession::ServiceL() |
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166 CleanupStack::PopAndDestroy(2, &buf); |
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167 break; |
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168 } |
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169 case EOverwrite: |
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170 { |
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171 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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172 buf.CreateL(KMaxFileName); |
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173 buf.CleanupClosePushL(); |
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174 aMessage.ReadL(KFilePathIPCSlot, buf, 0); |
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175 TPckgBuf<TFileMode> pkgFileMode; |
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176 aMessage.ReadL(KFileModeIPCSlot, pkgFileMode, 0); |
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177 RFile newFile; |
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178 CleanupClosePushL(newFile); |
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179 iTransactionPtr->OverwriteL(buf, newFile, pkgFileMode()); |
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180 User::LeaveIfError(newFile.TransferToClient(aMessage, KFileHandleIPCSlot)); |
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181 ASSERT(aMessage.IsNull()); // message should have been completed |
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182 ret = EFalse; //message need not be completed in CScsSession::ServiceL() |
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183 CleanupStack::PopAndDestroy(2, &buf); |
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184 break; |
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185 } |
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186 case ECommit: |
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187 { |
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188 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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189 iTransactionPtr->CommitL(); |
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190 server->FinaliseTransactionL(iTransactionPtr); //releases transaction and erases pointer! |
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191 break; |
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192 } |
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193 case ERollBack: |
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194 { |
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195 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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196 iTransactionPtr->RollBackL(); |
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197 server->FinaliseTransactionL(iTransactionPtr); //releases transaction and erases pointer! |
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198 break; |
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199 } |
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200 case EGetId: |
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201 { |
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202 __ASSERT_ALWAYS(iTransactionPtr, aMessage.Panic(KStsPanicCategory, KInvalidMessagePanicCode)); |
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203 transactionID = iTransactionPtr->TransactionId(); |
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204 //return ID back to client |
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205 aMessage.WriteL(KIdIPCSlot, idPkg); |
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206 break; |
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207 } |
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208 case ERollBackAllPending: |
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209 { |
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210 server->RollBackAllPendingL(); |
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211 break; |
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212 } |
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213 default: |
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214 { |
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215 User::Leave(KErrNotSupported); |
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216 break; |
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217 } |
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218 } |
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219 return ret; |
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220 } |
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221 }//end of namespace Usif |