1 /* |
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2 * Copyright (c) 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: Client that communicate with CatalogsEnginePCClientFrontEnd |
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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 "catalogspcconnectivityclient.h" |
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20 #include "catalogspcconnectivitydefines.h" |
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21 |
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22 |
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23 // ======== MEMBER FUNCTIONS ======== |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // Constructor |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 RCatalogsPCConnectivityClient::RCatalogsPCConnectivityClient() |
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30 { |
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31 } |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // Destructor |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 RCatalogsPCConnectivityClient::~RCatalogsPCConnectivityClient() |
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38 { |
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39 } |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // Start server and create session with server |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 TInt RCatalogsPCConnectivityClient::Connect() |
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46 { |
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47 TInt err = StartServer(); |
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48 |
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49 if ( err == KErrNone ) |
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50 { |
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51 err = CreateSession( |
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52 KCatalogsPCConnectivityServerName, |
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53 Version(), |
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54 KCatalogsPCConnectivityDefaultMessageSlots ); |
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55 } |
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56 return err; |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Close session (After session is closed will server be closed too) |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 void RCatalogsPCConnectivityClient::Close() |
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64 { |
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65 RHandleBase::Close(); |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Give MIME types supported by this Module |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 RPointerArray<TDataType> RCatalogsPCConnectivityClient:: |
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73 SupportedMimeTypesL() |
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74 { |
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75 RPointerArray<TDataType> supportedMIMEs; |
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76 TBool isThereMore = ETrue; |
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77 TPckgBuf<TBool> pckgIsThereMore; |
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78 TDataType* tempMIME = 0; |
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79 TPckgBuf<TDataType> pckgMIME; |
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80 |
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81 while( isThereMore ) |
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82 { |
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83 User::LeaveIfError( SendReceive( |
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84 ECatalogsPCConnectivitySupportedMimeTypes, |
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85 TIpcArgs( &pckgMIME, &pckgIsThereMore ) ) ); |
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86 isThereMore = pckgIsThereMore(); |
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87 tempMIME = new( ELeave ) TDataType( pckgMIME() ); |
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88 User::LeaveIfError( supportedMIMEs.Append( tempMIME ) ); |
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89 } |
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90 |
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91 return supportedMIMEs; |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // Data package from CatalogsPCConnectivityPlugin |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void RCatalogsPCConnectivityClient::PutDataL( |
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99 const TDataType& aMimeType, const CBufFlat& aData ) |
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100 { |
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101 TInt size = aData.Size(); |
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102 |
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103 RBuf8 desData; |
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104 desData.CreateL( size ); |
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105 desData.CleanupClosePushL(); |
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106 aData.Read( 0, desData, size ); |
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107 TPckgBuf<TDataType> pckgMIME( aMimeType ); |
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108 |
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109 User::LeaveIfError( SendReceive( |
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110 ECatalogsPCConnectivityPutData, |
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111 TIpcArgs( &pckgMIME, &desData, size ) ) ); |
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112 |
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113 CleanupStack::Pop(); //desData |
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114 desData.Close(); |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // Data request from CatalogsPCConnectivityPlugin |
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119 // First ask the size from server, then give correct size CBufFlat |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 void RCatalogsPCConnectivityClient::GetDataL( |
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123 TDataType& aMimeType, CBufFlat& aData ) |
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124 { |
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125 TPckgBuf<TInt> pckgSize; |
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126 TPckgBuf<TDataType> pckgMIME; |
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127 |
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128 User::LeaveIfError( SendReceive( |
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129 ECatalogsPCConnectivityGetSize, |
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130 TIpcArgs( &pckgMIME, &pckgSize ) ) ); |
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131 |
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132 TInt size = pckgSize(); |
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133 aMimeType = pckgMIME(); |
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134 |
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135 RBuf8 desData; |
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136 desData.CreateL( size ); |
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137 desData.CleanupClosePushL(); |
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138 |
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139 User::LeaveIfError( SendReceive( |
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140 ECatalogsPCConnectivityGetData, |
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141 TIpcArgs( &desData ) ) ); |
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142 |
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143 aData.Reset(); |
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144 aData.ExpandL( 0, size ); |
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145 aData.Write( 0, desData, size ); |
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146 |
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147 CleanupStack::Pop(); //desData |
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148 desData.Close(); |
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149 } |
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150 |
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151 // --------------------------------------------------------------------------- |
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152 // Return version number |
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153 // --------------------------------------------------------------------------- |
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154 // |
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155 TVersion RCatalogsPCConnectivityClient::Version() const |
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156 { |
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157 return( TVersion( KCatalogsPCConnectivityMajorVersionNumber, |
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158 KCatalogsPCConnectivityMinorVersionNumber, |
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159 KCatalogsPCConnectivityBuildVersionNumber ) ); |
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160 } |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // Start server if it isn't running already |
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164 // --------------------------------------------------------------------------- |
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165 // |
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166 TInt RCatalogsPCConnectivityClient::StartServer() |
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167 { |
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168 // Check if the server is already running |
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169 TFindServer findServer( KCatalogsPCConnectivityServerName ); |
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170 TFullName name; |
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171 |
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172 TInt result = findServer.Next( name ); |
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173 if ( result == KErrNone ) |
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174 { |
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175 // Server is running |
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176 return KErrNone; |
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177 } |
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178 |
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179 // Create a semaphore so we can wait while the server starts |
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180 RSemaphore semaphore; |
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181 result = semaphore.CreateGlobal( |
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182 KCatalogsPCConnectivityServerSemaphoreName, 0 ); |
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183 if ( result != KErrNone ) |
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184 { |
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185 return result; |
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186 } |
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187 |
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188 // Create new Engine service process |
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189 result = CreateServerProcess(); |
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190 if ( result != KErrNone ) |
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191 { |
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192 semaphore.Close(); |
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193 return result; |
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194 } |
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195 |
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196 // Wait while the server starts |
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197 semaphore.Wait(); |
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198 |
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199 // Semaphore has been signaled, close and return |
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200 semaphore.Close(); |
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201 |
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202 return KErrNone; |
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203 } |
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204 |
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205 // --------------------------------------------------------------------------- |
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206 // Create server process |
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207 // --------------------------------------------------------------------------- |
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208 // |
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209 TInt RCatalogsPCConnectivityClient::CreateServerProcess() |
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210 { |
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211 |
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212 RProcess server; |
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213 |
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214 TInt result = server.Create( |
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215 KCatalogsPCConnectivityServerFilename, KNullDesC ); |
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216 if ( result != KErrNone ) |
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217 { |
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218 return result; |
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219 } |
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220 |
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221 // Resume server thread and close handle |
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222 server.Resume(); |
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223 server.Close(); |
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224 |
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225 return KErrNone; |
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226 } |
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227 |
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228 |
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229 //end |
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