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1 /* |
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2 * Copyright (c) 2005-2006 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: CMnServiceBase class implementation |
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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 #include <e32base.h> |
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20 |
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21 #include <EPos_CPosLandmark.h> |
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22 #include <epos_poslandmarkserialization.h> |
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23 |
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24 #include "mndebug.h" |
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25 #include "mnerrors.h" |
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26 #include "mninternal.h" |
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27 #include "mninternal.inl" |
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28 |
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29 #include "mnservicebase.h" |
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30 |
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31 // ======== LOCAL FUNCTIONS ======== |
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32 |
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33 // ======== MEMBER FUNCTIONS ======== |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 CMnServiceBase::CMnServiceBase() |
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39 { |
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40 iCurrentRequest = EMnIpcNone; |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 CMnServiceBase::~CMnServiceBase() |
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47 { |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // --------------------------------------------------------------------------- |
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52 // |
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53 void CMnServiceBase::BaseConstructL() |
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54 { |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 EXPORT_C void CMnServiceBase::CompleteRequest( TInt aResult ) |
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61 { |
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62 LOG1("CMnServiceBase::CompleteRequest, result %d", aResult); |
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63 if ( iCurrentRequest == EMnIpcNone ) |
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64 { |
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65 PanicServer( KMnPanicAttemptToCompleteNoRequest ); |
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66 } |
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67 else |
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68 { |
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69 Complete( iMessage, aResult ); |
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70 iCurrentRequest = EMnIpcNone; |
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71 } |
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72 } |
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73 |
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74 // --------------------------------------------------------------------------- |
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75 // --------------------------------------------------------------------------- |
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76 // |
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77 void CMnServiceBase::Complete( const RMessage2& aMsg, TInt aResult ) |
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78 { |
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79 //LOG1("CMnServiceBase::Complete, result %d", aResult); |
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80 if ( !aMsg.IsNull() ) |
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81 { |
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82 aMsg.Complete( aResult ); |
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83 } |
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84 } |
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85 |
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86 // --------------------------------------------------------------------------- |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 void CMnServiceBase::HandleCancelRequestL( const RMessage2& aMessage ) |
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90 { |
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91 LOG("CMnServiceBase::HandleCancelRequestL in"); |
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92 |
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93 if ( IsAsyncRequestActive() && aMessage.Int0() == CurrentAsyncRequest() ) |
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94 { |
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95 DoCancel(); |
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96 CompleteRequest( KErrCancel ); |
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97 Complete( aMessage, KErrNone ); |
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98 } |
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99 else |
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100 { |
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101 LOG("CMnServiceBase::HandleCancelRequestL leave, not found"); |
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102 User::Leave( KErrNotFound ); |
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103 } |
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104 |
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105 LOG("CMnServiceBase::HandleCancelRequestL out"); |
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106 } |
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107 |
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108 // --------------------------------------------------------- |
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109 // --------------------------------------------------------- |
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110 // |
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111 HBufC8* CMnServiceBase::CopyClientBuffer8LC( |
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112 const RMessage2& aMessage, |
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113 const TInt aClientBufferParam ) |
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114 { |
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115 // Create an empty server side buffer that will contain client data |
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116 TInt dataSize = aMessage.GetDesLengthL( aClientBufferParam ); |
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117 HBufC8* buffer = HBufC8::NewLC( dataSize ); |
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118 |
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119 // Populate server side buffer with client data |
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120 TPtr8 ptrToBuf = buffer->Des(); |
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121 aMessage.ReadL( aClientBufferParam, ptrToBuf ); |
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122 return buffer; |
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123 } |
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124 |
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125 // --------------------------------------------------------- |
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126 // --------------------------------------------------------- |
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127 // |
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128 HBufC* CMnServiceBase::CopyClientBufferLC( |
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129 const RMessage2& aMessage, |
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130 const TInt aClientBufferParam) |
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131 { |
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132 // Create an empty server side buffer that will contain client data |
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133 TInt dataSize = aMessage.GetDesLengthL( aClientBufferParam ); |
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134 HBufC* buffer = HBufC::NewLC( dataSize ); |
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135 |
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136 // Populate server side buffer with client data |
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137 TPtr ptrToBuf = buffer->Des(); |
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138 aMessage.ReadL( aClientBufferParam, ptrToBuf ); |
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139 return buffer; |
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140 } |
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141 |
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142 // --------------------------------------------------------------------------- |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 CPosLandmark* CMnServiceBase::UnpackLandmarkLC( |
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146 const RMessage2& aMessage, |
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147 TInt aParamIndex ) |
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148 { |
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149 LOG("CMnServiceBase::UnpackLandmarkLC"); |
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150 |
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151 HBufC8* lmBuf = CopyClientBuffer8LC( aMessage, aParamIndex ); |
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152 |
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153 CPosLandmark* landmark = PosLandmarkSerialization::UnpackL( *lmBuf ); |
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154 CleanupStack::PopAndDestroy( lmBuf ); |
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155 CleanupStack::PushL( landmark ); |
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156 return landmark; |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // --------------------------------------------------------------------------- |
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161 // |
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162 TInt CMnServiceBase::CurrentAsyncRequest() |
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163 { |
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164 return iCurrentRequest; |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // --------------------------------------------------------------------------- |
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169 // |
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170 TBool CMnServiceBase::IsAsyncRequestActive() |
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171 { |
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172 return ( iCurrentRequest != EMnIpcNone ); |
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173 } |
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174 |
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175 // --------------------------------------------------------------------------- |
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176 // Put new request ID to stack to guarantee that if starting of asynchronous |
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177 // request leaves, the iCurrentRequest will be reset. |
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178 // If starting goes well, the PostStartAsyncRequest will pop this cleanup |
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179 // from stack and "current request ID" will be kept until request is competed |
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180 // by service implmentation. |
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181 // --------------------------------------------------------------------------- |
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182 // |
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183 void CMnServiceBase::PrepareAsyncRequestL( const RMessage2& aMessage ) |
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184 { |
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185 LOG("CMnServiceBase::PrepareAsyncRequestL in"); |
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186 |
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187 if ( IsAsyncRequestActive() ) |
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188 { |
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189 PanicClient( aMessage, KMnPanicDuplicateRequest ); |
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190 User::Leave( KErrInUse ); |
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191 } |
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192 |
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193 iMessage = aMessage; |
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194 iCurrentRequest = aMessage.Function(); |
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195 |
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196 LOG("CMnServiceBase::PrepareAsyncRequestL out"); |
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197 } |
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198 |
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199 // --------------------------------------------------------------------------- |
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200 // From class CApaAppServiceBase |
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201 // --------------------------------------------------------------------------- |
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202 // |
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203 EXPORT_C void CMnServiceBase::ServiceError( const RMessage2 &aMessage, TInt aError ) |
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204 { |
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205 LOG2("CMnServiceBase::ServiceError function %d, error %d", |
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206 aMessage.Function(), aError ); |
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207 |
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208 if ( IsAsyncRequestActive() && |
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209 aMessage.Handle() == iMessage.Handle() ) |
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210 { |
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211 // starting this async request failed, rollback |
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212 LOG1("CMnServiceBase::ServiceError forgetting async request %d", iCurrentRequest ); |
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213 iCurrentRequest = EMnIpcNone; |
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214 } |
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215 |
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216 CAknAppServiceBase::ServiceError( aMessage, aError ); |
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217 LOG("CMnServiceBase::ServiceError out"); |
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218 } |