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1 /* |
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2 * Copyright (c) 2002 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: Storage main client |
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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 FILES |
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20 #include "RPEngStorageClient.h" |
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21 #include <eikdll.h> |
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22 #include <f32file.h> |
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23 |
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24 #include "PEngServerStarter.h" |
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25 #include "PEngStorageServerCommon.h" |
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26 #include "TPEngStorageServerMessages.h" |
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27 |
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28 // PEC Engine internal constants |
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29 #include "PEngPresenceEngineConsts2.h" |
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30 #include "PEngInternalGlobalConsts.h" |
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31 |
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32 #include "PresenceDebugPrint.h" |
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33 |
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34 |
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35 // CONSTANTS |
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36 // each session can have several sub-session, while only one sub-session |
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37 // is using asynchronous requests, 20 slots shall be enough to cover |
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38 const TUint KMessageSlotCount = 20; |
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39 |
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40 |
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41 // MACROS |
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42 #define RETURN_IF_NOT_CONNECTED()\ |
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43 if(!iConnected)\ |
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44 {\ |
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45 return KErrDisconnected;\ |
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46 } |
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47 |
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48 #define RETURN_IF_NULL( desBuff )\ |
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49 if ( !desBuff )\ |
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50 {\ |
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51 return KErrNoMemory;\ |
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52 } |
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53 |
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54 // ============================ MEMBER FUNCTIONS =============================== |
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55 // ----------------------------------------------------------------------------- |
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56 // RPEngStorageClient::RPEngStorageClient |
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57 // C++ default constructor can NOT contain any code, that might leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 RPEngStorageClient::RPEngStorageClient() |
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61 { |
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62 } |
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63 |
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64 // Destructor |
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65 RPEngStorageClient::~RPEngStorageClient() |
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66 { |
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67 } |
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68 |
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69 // ============================================================================= |
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70 // =============Function of the client for Connection managing ================= |
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71 // ============================================================================= |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // RPEngStorageClient::Connect |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 TInt RPEngStorageClient::Connect() |
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78 { |
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79 PENG_DP_TXT( "RPEngStorageClient::Connect()" ); |
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80 |
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81 //Connects this client to the server. |
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82 //Launches new server process if one not yet running. |
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83 TInt err = PEngServerStarter::ConnectServer( *this, |
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84 KStorageServerName, |
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85 Version(), |
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86 KMessageSlotCount, |
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87 KStorageServerExe ); |
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88 |
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89 iConnected = ( err == KErrNone ); |
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90 return err; |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // RPEngStorageClient::Close |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void RPEngStorageClient::Close() |
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98 { |
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99 PENG_DP_TXT( "RPEngStorageClient::Close()" ); |
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100 |
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101 // all requests from this session are canceled on the server side |
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102 RSessionBase::Close(); |
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103 iConnected = EFalse; |
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104 } |
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105 |
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106 // ============================================================================= |
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107 // ============= New Function of the client =================================== |
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108 // ============================================================================= |
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109 |
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110 // ----------------------------------------------------------------------------- |
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111 // RPEngStorageClient::SessionSlotState() |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 TInt RPEngStorageClient::SessionSlotState( |
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115 const TDesC8& aSessionName, |
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116 HBufC8*& aSessionState, |
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117 TInt aInitSize ) |
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118 { |
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119 RETURN_IF_NOT_CONNECTED(); |
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120 TIpcArgs messArgs; |
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121 messArgs.Set( KMessageSlot0, &aSessionName ); |
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122 aSessionState = HBufC8::New( aInitSize ); |
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123 RETURN_IF_NULL( aSessionState ); |
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124 TPtr8 sessState ( aSessionState->Des() ); |
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125 messArgs.Set( KMessageSlot1, &sessState ); |
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126 TInt err( SendReceive( EMainSessGetSessionState, messArgs ) ); |
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127 // if error is positive, then buffer was not big enough |
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128 if ( err > KErrNone ) |
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129 { |
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130 // realloc buffer, looks complicated, but safe, avoiding realloc |
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131 delete aSessionState; |
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132 aSessionState = NULL; |
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133 aSessionState = HBufC8::New( err ); |
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134 RETURN_IF_NULL( aSessionState ); |
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135 sessState.Set( aSessionState->Des() ); |
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136 messArgs.Set( KMessageSlot1, &sessState ); |
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137 err = SendReceive( EMainSessGetSessionState, messArgs ); |
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138 } |
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139 // if there was error erase buffer |
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140 if ( err < KErrNone ) |
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141 { |
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142 delete aSessionState; |
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143 aSessionState = NULL; |
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144 } |
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145 return err; |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // RPEngStorageClient::AllSessionSlotsStates() |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 TInt RPEngStorageClient::AllSessionSlotsStates( |
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153 HBufC8*& aSessionSlotsBuffer, |
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154 TInt aInitSize ) |
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155 { |
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156 RETURN_IF_NOT_CONNECTED(); |
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157 TIpcArgs messArgs; |
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158 aSessionSlotsBuffer = HBufC8::New( aInitSize ); |
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159 RETURN_IF_NULL( aSessionSlotsBuffer ); |
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160 TPtr8 sessStates ( aSessionSlotsBuffer->Des() ); |
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161 messArgs.Set( KMessageSlot0, &sessStates ); |
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162 TInt err( SendReceive( EMainSessGetAllSessionStates, messArgs ) ); |
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163 // if error is positive, then buffer was not big enough |
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164 if ( err > KErrNone ) |
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165 { |
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166 // realloc buffer, looks complicated, but safe, avoiding realloc |
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167 delete aSessionSlotsBuffer; |
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168 aSessionSlotsBuffer = NULL; |
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169 aSessionSlotsBuffer = HBufC8::New( err ); |
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170 RETURN_IF_NULL( aSessionSlotsBuffer ); |
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171 sessStates.Set( aSessionSlotsBuffer->Des() ); |
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172 messArgs.Set( KMessageSlot1, &sessStates ); |
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173 err = SendReceive( EMainSessGetAllSessionStates, messArgs ); |
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174 } |
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175 // if there was error erase buffer |
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176 if ( err < KErrNone ) |
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177 { |
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178 delete aSessionSlotsBuffer; |
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179 aSessionSlotsBuffer = NULL; |
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180 } |
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181 return err; |
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182 } |
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183 |
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184 // ----------------------------------------------------------------------------- |
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185 // RPEngStorageClient::ListenGlobalEvents() |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 TInt RPEngStorageClient::ListenGlobalEvents() |
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189 { |
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190 RETURN_IF_NOT_CONNECTED(); |
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191 return SendReceive( EMainSessListenGlobalEvents ); |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // RPEngStorageClient::ReloadGlobalEventListener() |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TInt RPEngStorageClient::ReloadGlobalEventListener( |
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199 TDes8& aGlobalEventBuffer, |
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200 TRequestStatus& aStatus ) |
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201 { |
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202 RETURN_IF_NOT_CONNECTED(); |
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203 TIpcArgs messArgs; |
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204 messArgs.Set( KMessageSlot0, EMainSessListenGlobalEvents ); |
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205 messArgs.Set( KMessageSlot1, &aGlobalEventBuffer ); |
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206 SendReceive( EMainSessReloadAsynchronousScout, messArgs, aStatus ); |
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207 return KErrNone; |
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208 } |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // RPEngStorageClient::StopEventListening() |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 TInt RPEngStorageClient::StopEventListening() |
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215 { |
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216 RETURN_IF_NOT_CONNECTED(); |
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217 TIpcArgs messArgs; |
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218 messArgs.Set( KMessageSlot0, EMainSessListenGlobalEvents ); |
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219 return SendReceive( EMainSessCancelRequest, messArgs ); |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // RPEngStorageClient::CreateSessionFolder() |
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224 // ----------------------------------------------------------------------------- |
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225 // |
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226 TInt RPEngStorageClient::CreateSessionFolder( |
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227 const TDesC8& aSessionSlot, |
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228 const TDesC16& aApplicationId ) |
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229 { |
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230 RETURN_IF_NOT_CONNECTED(); |
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231 TIpcArgs messArgs; |
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232 messArgs.Set( KMessageSlot0, &aSessionSlot ); |
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233 messArgs.Set( KMessageSlot1, &aApplicationId ); |
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234 |
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235 return SendReceive( EMainSessCreateSessionFolder, messArgs ); |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // RPEngStorageClient::RemoveSessionFolder() |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 TInt RPEngStorageClient::RemoveSessionFolder( |
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243 const TDesC8& aSessionSlot, |
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244 const TDesC16& aApplicationId ) |
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245 { |
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246 RETURN_IF_NOT_CONNECTED(); |
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247 TIpcArgs messArgs; |
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248 messArgs.Set( KMessageSlot0, &aSessionSlot ); |
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249 messArgs.Set( KMessageSlot1, &aApplicationId ); |
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250 return SendReceive( EMainSessRemoveSessionFolder, messArgs ); |
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251 } |
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252 |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // RPEngStorageClient::Version() |
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256 // ----------------------------------------------------------------------------- |
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257 // |
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258 TVersion RPEngStorageClient::Version() const |
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259 { |
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260 return( TVersion( KClientVersionMajor, |
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261 KClientVersionMinor, |
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262 KClientVersionBuild ) ); |
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263 } |
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264 |
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265 // End of File |
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266 |