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1 /* |
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2 * Copyright (c) 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 "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 * |
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16 */ |
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17 // USER INCLUDE |
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18 #include "blacklistclient.h" |
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19 #include "blacklistcommon.h" |
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20 #include "mdcserializationbuffer.h" |
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21 #include "blacklistitem.h" |
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22 #include "harvesterlog.h" |
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23 |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // RBlacklistClient::RBlacklistClient() |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 EXPORT_C RBlacklistClient::RBlacklistClient() : RSessionBase (), |
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30 iSessionOk( EFalse ) |
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31 { |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // RBlacklistClient::~RBlacklistClient() |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 EXPORT_C RBlacklistClient::~RBlacklistClient() |
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39 { |
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40 WRITELOG( "CBlacklistServer::~RBlacklistClient - begin" ); |
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41 |
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42 RSessionBase::Close(); |
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43 iBlacklistMemoryTable.ResetAndDestroy(); |
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44 iBlacklistMemoryTable.Close(); |
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45 iBlacklistChunk.Close(); |
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46 |
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47 WRITELOG( "CBlacklistServer::~RBlacklistClient - end" ); |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // RBlacklistClient::Connect() |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 EXPORT_C TInt RBlacklistClient::Connect() |
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55 { |
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56 WRITELOG( "CBlacklistServer::Connect - begin" ); |
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57 |
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58 TInt retryCount = 2; |
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59 TInt error = KErrNone; |
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60 |
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61 iSessionOk = EFalse; |
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62 |
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63 while ( retryCount ) |
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64 { |
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65 // try create session, if ok, then break out and return KErrNone |
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66 error = CreateSession( KBlacklistServerName, Version() ); |
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67 if( error != KErrNotFound && error != KErrServerTerminated ) |
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68 { |
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69 iSessionOk = ETrue; |
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70 break; |
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71 } |
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72 |
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73 // Cannot create session, start server |
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74 error = StartServer(); |
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75 |
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76 if ( error != KErrNone && error != KErrAlreadyExists ) |
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77 { |
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78 break; |
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79 } |
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80 |
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81 --retryCount; |
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82 } |
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83 |
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84 WRITELOG( "CBlacklistServer::Connect - end" ); |
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85 |
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86 return error; |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // RBlacklistClient::Version() |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 TVersion RBlacklistClient::Version() const |
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94 { |
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95 WRITELOG( "CBlacklistServer::Version - begin" ); |
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96 |
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97 return TVersion( KBlacklistServerMajorVersion, KBlacklistServerMinorVersion, |
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98 KBlacklistServerBuildVersion ); |
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99 |
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100 } |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // RBlacklistClient::StartServer() |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 TInt RBlacklistClient::StartServer() |
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107 { |
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108 WRITELOG( "CBlacklistServer::CustomSecurityCheckL - begin" ); |
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109 |
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110 const TUidType serverUid = ( KNullUid, KNullUid, KUidKBlacklistServer ); |
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111 |
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112 RProcess server; |
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113 TInt error = server.Create( KBlacklistServerExe, KNullDesC ); |
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114 if( error != KErrNone ) |
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115 { |
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116 return error; |
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117 } |
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118 |
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119 // start server and wait for signal before proceeding |
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120 TRequestStatus status; |
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121 server.Rendezvous( status ); |
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122 if ( status.Int() != KRequestPending ) |
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123 { |
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124 server.Kill( 0 ); |
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125 } |
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126 else |
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127 { |
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128 server.Resume(); |
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129 } |
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130 |
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131 User::WaitForRequest( status ); |
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132 error = server.ExitType() == EExitPanic ? KErrGeneral : status.Int(); |
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133 server.Close(); |
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134 |
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135 WRITELOG( "CBlacklistServer::Version - end" ); |
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136 |
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137 return error; |
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138 } |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // RBlacklistClient::RemoveFromDBL() |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 void RBlacklistClient::RemoveFromDBL( const TDesC& aUri, TUint32 aMediaId ) const |
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145 { |
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146 WRITELOG( "CBlacklistServer::RemoveFromDBL - begin" ); |
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147 |
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148 TPckgBuf<TUint32> mediaIdPckg( aMediaId ); |
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149 |
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150 TIpcArgs ipcArgs; |
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151 ipcArgs.Set( 1, &aUri ); |
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152 ipcArgs.Set( 2, &mediaIdPckg ); |
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153 |
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154 TInt err = SendReceive( EBlacklistRemoveFromDB, ipcArgs ); |
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155 User::LeaveIfError( err ); |
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156 |
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157 WRITELOG( "CBlacklistServer::RemoveFromDBL - end" ); |
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158 } |
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159 |
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160 // --------------------------------------------------------------------------- |
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161 // RBlacklistClient::DoLoadBlacklistL() |
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162 // --------------------------------------------------------------------------- |
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163 // |
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164 void RBlacklistClient::DoLoadBlacklistL( TInt& aHandle ) const |
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165 { |
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166 WRITELOG( "CBlacklistServer::DoLoadBlacklistL - begin" ); |
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167 |
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168 TPckgBuf<TInt> handleBuf; |
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169 TIpcArgs ipcArgs; |
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170 ipcArgs.Set( 1, &handleBuf ); |
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171 TInt err = SendReceive( EGetBlacklistData, ipcArgs ); |
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172 User::LeaveIfError( err ); |
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173 aHandle = handleBuf(); |
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174 |
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175 WRITELOG( "CBlacklistServer::DoLoadBlacklistL - end" ); |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // RBlacklistClient::LoadBlacklistL() |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 EXPORT_C void RBlacklistClient::LoadBlacklistL() |
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183 { |
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184 WRITELOG( "CBlacklistServer::LoadBlacklistL - begin" ); |
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185 |
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186 if ( !iSessionOk ) |
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187 { |
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188 return; |
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189 } |
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190 |
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191 // delete old data |
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192 if( iBlacklistMemoryTable.Count() > 0 ) |
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193 { |
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194 iBlacklistMemoryTable.ResetAndDestroy(); |
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195 } |
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196 |
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197 // Get handle to data |
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198 TInt handle( 0 ); |
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199 DoLoadBlacklistL( handle ); |
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200 |
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201 // create memory chunk |
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202 HBufC* name = HBufC::NewLC( 32 ); |
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203 *name = KBlacklistChunkName; |
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204 name->Des().AppendNum( handle ); |
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205 iBlacklistChunk.Close(); |
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206 |
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207 User::LeaveIfError ( iBlacklistChunk.OpenGlobal( *name, ETrue ) ); |
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208 |
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209 CMdCSerializationBuffer* buffer = CMdCSerializationBuffer::NewLC( iBlacklistChunk.Base(), iBlacklistChunk.Size() ); |
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210 |
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211 if ( buffer->Size() == 0 ) |
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212 { |
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213 User::Leave( KErrNotFound ); |
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214 } |
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215 |
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216 // First get list count |
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217 TUint32 listCount ( 0 ); |
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218 buffer->ReceiveL( listCount ); |
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219 |
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220 TInt64 modified ( 0 ); |
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221 TUint32 mediaId ( 0 ); |
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222 HBufC* uri = NULL; |
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223 |
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224 for( TInt i( 0 ); i < listCount; i++ ) |
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225 { |
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226 // get modified and media id |
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227 buffer->ReceiveL( modified ); |
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228 buffer->ReceiveL( mediaId ); |
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229 |
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230 //Get uri |
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231 uri = buffer->ReceiveDes16L(); |
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232 CleanupStack::PushL( uri ); |
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233 AddToMemoryTableL( modified, *uri, mediaId ); |
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234 CleanupStack::PopAndDestroy( uri ); |
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235 uri = NULL; |
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236 } |
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237 |
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238 CleanupStack::PopAndDestroy( buffer ); |
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239 CleanupStack::PopAndDestroy( name ); |
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240 |
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241 WRITELOG( "CBlacklistServer::LoadBlacklistL - end" ); |
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242 } |
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243 |
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244 // --------------------------------------------------------------------------- |
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245 // RBlacklistClient::AddToMemoryTableL() |
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246 // --------------------------------------------------------------------------- |
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247 // |
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248 void RBlacklistClient::AddToMemoryTableL( const TInt64& aModified, |
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249 const TDesC& aUri, const TUint32 aMediaId ) |
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250 { |
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251 WRITELOG( "CBlacklistServer::AddToMemoryTableL - begin" ); |
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252 |
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253 CBlacklistItem* item = CBlacklistItem::NewL( aModified, aUri, aMediaId ); |
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254 |
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255 const TInt err = iBlacklistMemoryTable.Append( item ); // ownership is transferred |
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256 if ( err != KErrNone ) |
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257 { |
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258 delete item; |
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259 } |
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260 |
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261 |
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262 WRITELOG( "CBlacklistServer::AddToMemoryTableL - end" ); |
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263 } |
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264 |
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265 // --------------------------------------------------------------------------- |
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266 // RBlacklistClient::RemoveFromMemoryTableL() |
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267 // --------------------------------------------------------------------------- |
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268 // |
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269 void RBlacklistClient::RemoveFromMemoryTableL( const TDesC& aUri, const TUint32 aMediaId ) |
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270 { |
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271 WRITELOG( "CBlacklistServer::RemoveFromMemoryTableL - begin" ); |
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272 |
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273 TInt index = GetListIndex( aUri, aMediaId ); |
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274 if ( index >= 0 ) |
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275 { |
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276 CBlacklistItem* item = iBlacklistMemoryTable[index]; |
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277 delete item; |
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278 iBlacklistMemoryTable.Remove( index ); |
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279 } |
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280 |
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281 WRITELOG( "CBlacklistServer::RemoveFromMemoryTableL - end" ); |
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282 } |
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283 |
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284 |
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285 // --------------------------------------------------------------------------- |
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286 // RBlacklistClient::IsBlacklistedL() |
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287 // --------------------------------------------------------------------------- |
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288 // |
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289 EXPORT_C TBool RBlacklistClient::IsBlacklistedL( const TDesC& aUri, TUint32 aMediaId, TTime aLastModifiedTime ) |
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290 { |
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291 WRITELOG( "CBlacklistServer::IsBlacklistedL - begin" ); |
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292 |
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293 TInt index = GetListIndex( aUri, aMediaId ); |
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294 if ( index >= 0 ) |
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295 { |
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296 TInt64 modified( 0 ); |
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297 modified = iBlacklistMemoryTable[index]->Modified(); |
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298 |
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299 if( modified > 0 ) |
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300 { |
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301 if ( modified == aLastModifiedTime.Int64() ) |
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302 { |
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303 WRITELOG( "CBlacklistServer::IsBlacklistedL - file is blacklisted, modification time is different" ); |
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304 return ETrue; |
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305 } |
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306 else |
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307 { |
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308 // file might be different, so remove from blacklist |
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309 // and act like it wasn't found |
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310 RemoveFromMemoryTableL( aUri, aMediaId ); |
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311 |
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312 // Remove from server DB |
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313 RemoveFromDBL( aUri, aMediaId ); |
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314 } |
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315 } |
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316 else |
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317 { |
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318 WRITELOG( "CBlacklistServer::IsBlacklistedL - file is blacklisted, no modification time found" ); |
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319 return ETrue; |
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320 } |
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321 |
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322 } |
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323 |
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324 WRITELOG( "CBlacklistServer::IsBlacklistedL - end" ); |
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325 return EFalse; |
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326 } |
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327 |
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328 // --------------------------------------------------------------------------- |
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329 // RBlacklistClient::GetListIndex() |
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330 // --------------------------------------------------------------------------- |
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331 // |
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332 TInt RBlacklistClient::GetListIndex( const TDesC& aUri, TUint32 aMediaId ) |
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333 { |
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334 WRITELOG( "CBlacklistServer::GetListIndex - begin" ); |
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335 |
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336 for ( TInt i( 0 ); i < iBlacklistMemoryTable.Count(); ++i ) |
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337 { |
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338 if ( iBlacklistMemoryTable[i]->Compare( aUri, aMediaId ) ) |
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339 { |
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340 return i; |
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341 } |
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342 } |
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343 |
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344 WRITELOG( "CBlacklistServer::GetListIndex - end" ); |
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345 |
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346 return KErrNotFound; |
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347 } |
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348 |
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349 |
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350 // --------------------------------------------------------------------------- |
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351 // RBlacklistClient::AddL() |
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352 // --------------------------------------------------------------------------- |
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353 // |
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354 EXPORT_C void RBlacklistClient::AddL( const TDesC& aUri, TUint32 aMediaId, TTime aLastModifiedTime ) const |
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355 { |
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356 WRITELOG( "CBlacklistServer::AddL - begin" ); |
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357 |
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358 TPckgC<TUint32> mediaIdPckg( aMediaId ); |
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359 TPckgC<TTime> lastModifiedTimePckg( aLastModifiedTime ); |
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360 |
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361 TIpcArgs ipcArgs; |
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362 ipcArgs.Set( 0, &mediaIdPckg ); |
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363 ipcArgs.Set( 1, &aUri ); |
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364 ipcArgs.Set( 2, &lastModifiedTimePckg ); |
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365 |
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366 const TInt err = SendReceive( EBlacklistAdd, ipcArgs ); |
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367 User::LeaveIfError( err ); |
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368 |
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369 WRITELOG( "CBlacklistServer::AddL - end" ); |
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370 } |
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371 |
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372 |
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373 // --------------------------------------------------------------------------- |
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374 // RBlacklistClient::RemoveL() |
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375 // --------------------------------------------------------------------------- |
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376 // |
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377 EXPORT_C void RBlacklistClient::RemoveL( const TDesC& aUri, TUint32 aMediaId ) const |
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378 { |
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379 WRITELOG( "CBlacklistServer::RemoveL - begin" ); |
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380 |
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381 TPckgBuf<TUint32> mediaIdPckg( aMediaId ); |
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382 |
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383 TIpcArgs ipcArgs; |
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384 ipcArgs.Set( 1, &aUri ); |
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385 ipcArgs.Set( 2, &mediaIdPckg ); |
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386 |
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387 const TInt err = SendReceive( EBlacklistRemove, ipcArgs ); |
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388 User::LeaveIfError( err ); |
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389 |
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390 WRITELOG( "CBlacklistServer::RemoveL - end" ); |
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391 } |
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392 |
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393 // --------------------------------------------------------------------------- |
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394 // RBlacklistClient::CloseDBL() |
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395 // --------------------------------------------------------------------------- |
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396 // |
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397 EXPORT_C void RBlacklistClient::CloseDBL() |
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398 { |
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399 WRITELOG( "CBlacklistServer::CloseDBL - begin" ); |
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400 |
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401 if ( !iSessionOk ) |
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402 { |
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403 User::Leave( KErrDisconnected ); |
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404 } |
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405 else |
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406 { |
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407 Send( EBlacklistCloseDB ); |
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408 } |
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409 |
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410 WRITELOG( "CBlacklistServer::CloseDBL - end" ); |
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411 } |
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412 |
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413 |
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414 // End of File |