1 /* |
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2 * Copyright (c) 2007 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: Class definition of CDiagResultsDbSession |
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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 "diagresultsdatabasecommon.h" |
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20 #include "diagresultsdbsession.h" |
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21 #include "diagresultsdbserver.h" |
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22 #include "diagresultsdbtestrecordsubsession.h" |
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23 #include "diagresultsdatabasetestrecordinfo.h" |
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24 #include "diagresultsdbtestrecordhandle.h" |
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25 #include "diagresultsdbtestrecord.h" |
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26 #include "diagresultsdatabaseitem.h" |
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27 #include "diagresultsdbrecordinfoarraypacked.h" |
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28 #include "diagresultsdbcrdc.h" |
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29 #include "diagresultsdbrecordengineparam.h" |
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30 |
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31 //System includes |
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32 #include <s32mem.h> |
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33 |
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34 const TInt KArrayGranuality = 50; |
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35 const TInt KResultsDatabaseBufferLength=0x700; |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // constructor - must pass client to CSession |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CDiagResultsDbSession::CDiagResultsDbSession(CDiagResultsDbServer * aServer): |
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42 iServer(aServer), iSubsessionContainer( NULL ), iSubsessionIndex(NULL), |
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43 iLastResultCommand( 0 ), |
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44 iStore(NULL), iBufferedLastResults(NULL), iBufferedSingleResult(NULL), |
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45 iHasWrittenData(EFalse) |
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46 { |
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47 aServer->IncreaseSessionCount(); |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // NewL. |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 CDiagResultsDbSession* CDiagResultsDbSession::NewL(CDiagResultsDbServer * aServer) |
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55 { |
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56 CDiagResultsDbSession* pSession= new (ELeave) CDiagResultsDbSession( aServer ); |
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57 CleanupStack::PushL( pSession ); |
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58 pSession->ConstructL(); |
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59 CleanupStack::Pop(); |
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60 return pSession; |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // ConstructL. |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 void CDiagResultsDbSession::ConstructL() |
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68 { |
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69 iSubsessionContainer = iServer->NewContainerL(); |
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70 iSubsessionIndex = CObjectIx::NewL(); |
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71 |
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72 // buffer for IPC. Objects are transmitted in this buffer. |
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73 // Size of the buffer has to be selected carefully. |
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74 // It should be 'large enough' but not too large. |
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75 // If you see too many overflows, increase the size. |
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76 iBuffer = CBufFlat::NewL(KArrayGranuality); |
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77 iBuffer->ResizeL(KResultsDatabaseBufferLength); |
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78 } |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // Destructor. |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 CDiagResultsDbSession::~CDiagResultsDbSession() |
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85 { |
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86 if ( iBuffer ) |
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87 { |
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88 iBuffer->Reset(); |
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89 delete iBuffer; |
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90 iBuffer = NULL; |
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91 } |
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92 |
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93 // NOTE! |
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94 // The deletion order is important here. You must |
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95 // delete object indexes first, because this zeros the |
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96 // number of references to any CObject type objects. Trying |
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97 // to delete object container first, you get panic |
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98 // E32USER-CBase 33: an attempt is made to delete the CObject |
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99 // when the reference count is not zero. |
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100 delete iSubsessionIndex; |
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101 |
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102 if ( iSubsessionContainer ) |
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103 { |
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104 iServer->RemoveContainer( iSubsessionContainer ); |
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105 } |
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106 |
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107 delete iStore; |
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108 |
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109 if ( iServer ) |
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110 { |
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111 iServer->DecreaseSessionCount(); |
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112 } |
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113 |
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114 if ( iBufferedLastResults ) |
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115 { |
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116 iBufferedLastResults->ResetAndDestroy(); |
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117 iBufferedLastResults->Close(); |
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118 delete iBufferedLastResults; |
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119 iBufferedLastResults = 0; |
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120 } |
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121 |
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122 if ( iBufferedSingleResult ) |
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123 { |
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124 delete iBufferedSingleResult; |
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125 iBufferedSingleResult = NULL; |
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126 } |
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127 } |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // Service client requests. |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 void CDiagResultsDbSession::ServiceL(const RMessage2& aMessage) |
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134 { |
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135 LOGME("CDiagResultsDbSession::ServiceL"); |
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136 TBool async = EFalse; |
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137 TRAPD( err, async = DispatchMessageL( aMessage ) ); |
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138 LOGME1("CDiagResultsDbSession::ServiceL %d",err); |
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139 if ( !async ) |
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140 { |
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141 aMessage.Complete( err ); |
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142 } |
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143 } |
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144 |
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145 // --------------------------------------------------------------------------- |
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146 // service a client request; test the opcode and then do appropriate servicing |
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147 // --------------------------------------------------------------------------- |
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148 // |
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149 TBool CDiagResultsDbSession::DispatchMessageL(const RMessage2 &aMessage) |
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150 { |
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151 LOGME("CDiagResultsDbSession::DispatchMessageL"); |
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152 iMsg = aMessage; |
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153 TInt function = aMessage.Function(); |
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154 LOGME1("CDiagResultsDbSession::DispatchMessageL - %d",function); |
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155 TInt handle(0); |
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156 CObject* subsession = NULL; |
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157 switch( function ) |
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158 { |
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159 case DiagResultsDbCommon::EConnect: |
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160 { |
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161 LOGME("CDiagResultsDbSession::EConnect"); |
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162 TPckgBuf<TUid> uidpckg; |
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163 aMessage.Read(0, uidpckg); |
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164 iDbUid = uidpckg(); |
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165 |
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166 iStore = CDiagResultsDbStore::NewL( iDbUid ); |
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167 return EFalse; |
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168 } |
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169 |
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170 case DiagResultsDbCommon::EClose: |
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171 { |
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172 LOGME("CDiagResultsDbSession::EClose"); |
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173 aMessage.Complete (KErrNone); |
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174 |
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175 return ETrue; |
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176 } |
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177 |
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178 case DiagResultsDbCommon::EGetRecordCount: |
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179 { |
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180 LOGME("CDiagResultsDbSession::EGetRecordCount"); |
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181 RArray<TUid> uids; |
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182 CleanupClosePushL ( uids ); |
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183 iStore->RecordUidsL( uids ); |
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184 |
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185 TPckgBuf<TUint> pckg( uids.Count() ); |
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186 aMessage.Write(0, pckg); |
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187 |
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188 CleanupStack::PopAndDestroy( &uids ); |
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189 return EFalse; |
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190 } |
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191 |
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192 case DiagResultsDbCommon::EConnectSubsession: |
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193 LOGME("CDiagResultsDbSession::EConnectSubsession"); |
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194 ConnectSubsessionL( aMessage ); |
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195 return EFalse; |
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196 |
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197 case DiagResultsDbCommon::ESubsessionCreateNewRecord: |
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198 LOGME("CDiagResultsDbSession::ESubsessionCreateNewRecord"); |
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199 CreateNewRecordL( aMessage ); |
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200 HasWritten(); |
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201 return EFalse; |
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202 |
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203 case DiagResultsDbCommon::ECloseSubsession: |
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204 LOGME("CDiagResultsDbSession::ECloseSubsession"); |
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205 CloseSubsessionL(); |
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206 return EFalse; |
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207 |
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208 case DiagResultsDbCommon::EGetLastRecord: |
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209 LOGME("CDiagResultsDbSession::EGetLastRecord"); |
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210 GetLastRecordL( aMessage ); |
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211 return EFalse; |
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212 |
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213 case DiagResultsDbCommon::EGetLastNotCompletedRecord: |
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214 LOGME("CDiagResultsDbSession::EGetLastNotCompletedRecord"); |
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215 GetLastNotCompletedRecordL( aMessage ); |
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216 return EFalse; |
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217 |
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218 case DiagResultsDbCommon::EGetRecordList: //record uids |
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219 LOGME("CDiagResultsDbSession::EGetRecordList"); |
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220 GetRecordListL( aMessage ); |
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221 return EFalse; |
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222 |
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223 case DiagResultsDbCommon::EGetRecordInfoList: |
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224 LOGME("CDiagResultsDbSession::EGetRecordInfoList"); |
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225 GetRecordInfoListL( aMessage ); |
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226 return EFalse; |
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227 |
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228 case DiagResultsDbCommon::EInitiateGetLastResults: //Async |
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229 { |
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230 LOGME("CDiagResultsDbSession::EInitiateGetLastResults"); |
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231 ReadBufferL( aMessage, 0, iBuffer ); |
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232 |
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233 iLastResultsMsg = iMsg; |
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234 |
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235 iLastResultCommand = DiagResultsDbCommon::EInitiateGetLastResults; |
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236 |
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237 if ( iBufferedLastResults ) |
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238 { |
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239 iBufferedLastResults->ResetAndDestroy(); |
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240 iBufferedLastResults->Close(); |
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241 delete iBufferedLastResults; |
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242 iBufferedLastResults = 0; |
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243 } |
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244 |
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245 iStore->ExistingRecordsAsyncL( *this ); |
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246 return ETrue; |
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247 } |
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248 |
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249 case DiagResultsDbCommon::EInitiateGetSingleLastResult: //Async |
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250 { |
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251 LOGME("CDiagResultsDbSession::EInitiateGetSingleLastResult"); |
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252 iLastSingleResultsMsg = iMsg; |
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253 |
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254 iLastResultCommand = DiagResultsDbCommon::EInitiateGetSingleLastResult; |
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255 |
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256 if ( iBufferedSingleResult ) |
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257 { |
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258 delete iBufferedSingleResult; |
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259 iBufferedSingleResult = NULL; |
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260 } |
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261 |
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262 iStore->ExistingRecordsAsyncL( *this ); |
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263 return ETrue; |
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264 } |
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265 |
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266 |
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267 case DiagResultsDbCommon::EGetLastResults: |
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268 LOGME("CDiagResultsDbSession::EGetLastResults"); |
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269 GetLastResultsL( aMessage ); |
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270 return EFalse; |
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271 |
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272 case DiagResultsDbCommon::EGetSingleLastResult: |
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273 LOGME("CDiagResultsDbSession::EGetSingleLastResult"); |
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274 GetSingleLastResultL( aMessage ); |
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275 return EFalse; |
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276 |
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277 case DiagResultsDbCommon::ECancelInitiateGetLastResults: |
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278 { |
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279 LOGME("CDiagResultsDbSession::ECancelInitiateGetLastResults"); |
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280 CancelLastResultsL( aMessage ); |
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281 return EFalse; |
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282 } |
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283 |
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284 // Sub-session requests. See CDiagResultsDbTestRecordSubsession. |
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285 case DiagResultsDbCommon::ESubsessionGetTestRecordId: |
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286 case DiagResultsDbCommon::ESubsessionTestCompleted: |
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287 case DiagResultsDbCommon::ESubsessionIsTestCompleted: |
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288 case DiagResultsDbCommon::ESubsessionGetRecordInfo: |
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289 case DiagResultsDbCommon::ESubsessionGetTestUids: |
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290 case DiagResultsDbCommon::ESubsessionSuspend: |
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291 case DiagResultsDbCommon::ESubsessionIsSuspended: |
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292 case DiagResultsDbCommon::ESubsessionLogTestResult: |
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293 case DiagResultsDbCommon::ESubsessionGetTestResult: |
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294 case DiagResultsDbCommon::ESubsessionGetTestResults: |
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295 case DiagResultsDbCommon::ESubsessionGetEngineParam: |
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296 case DiagResultsDbCommon::ESubsessionGetStatus: |
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297 case DiagResultsDbCommon::ESubsessionCancelLogTestResult: |
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298 LOGME("CDiagResultsDbSession::ESubsessionCancelLogTestResult"); |
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299 handle = aMessage.Int3(); |
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300 subsession = iSubsessionIndex->At( handle ); |
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301 return static_cast<CDiagResultsDbTestRecordSubsession*>(subsession) |
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302 ->DispatchMessageL( aMessage ); |
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303 default: |
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304 aMessage.Panic( _L("DiagSrv panic: unknown command"), |
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305 DiagResultsDbCommon::EBadRequest ); |
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306 return EFalse; |
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307 } |
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308 } |
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309 |
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310 // --------------------------------------------------------------------------- |
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311 // Get function. |
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312 // --------------------------------------------------------------------------- |
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313 // |
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314 TBool CDiagResultsDbSession::SessionHasWritten() const |
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315 { |
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316 return iHasWrittenData; |
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317 } |
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318 |
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319 // --------------------------------------------------------------------------- |
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320 // Connect to a subsession. Test record represents the connected subsession. |
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321 // --------------------------------------------------------------------------- |
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322 // |
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323 void CDiagResultsDbSession::ConnectSubsessionL( const RMessage2 &aMessage ) |
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324 { |
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325 TPckgBuf<TUid> uidpckg; |
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326 aMessage.Read(0, uidpckg); |
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327 TUid recordUid = uidpckg(); |
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328 |
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329 TPckgBuf<TBool> readOnlyPckg; |
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330 aMessage.Read(1, readOnlyPckg); |
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331 TBool readonly = readOnlyPckg(); |
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332 |
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333 CDiagResultsDbTestRecordHandle* handle = iStore->OpenExistingHandleL( |
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334 recordUid ); |
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335 |
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336 if ( readonly ) |
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337 { |
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338 // keep the record as it is. |
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339 } |
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340 else |
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341 { |
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342 if ( handle->RecordInfo().iCompleted ) |
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343 { |
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344 delete handle; |
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345 handle = 0; |
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346 User::Leave( KErrAlreadyExists ); |
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347 } |
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348 |
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349 handle->RecordInfo().iRecordStatus = |
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350 TDiagResultsDatabaseTestRecordInfo::EOpen; |
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351 } |
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352 |
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353 CreateSubsessionL( handle, readonly ); |
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354 } |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // Create a new record. This does not write data into the db file. |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 void CDiagResultsDbSession::CreateNewRecordL ( const RMessage2 &aMessage ) |
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361 { |
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362 |
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363 ReadBufferL( aMessage, 1, iBuffer ); |
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364 |
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365 RBufReadStream stream( *iBuffer ); |
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366 CleanupClosePushL ( stream ); |
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367 |
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368 CDiagResultsDbRecordEngineParam* params = |
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369 CDiagResultsDbRecordEngineParam::NewL ( stream ); |
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370 CleanupStack::PushL( params ); |
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371 |
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372 CDiagResultsDbTestRecordHandle* handle = iStore->CreateNewRecordL( params ); |
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373 |
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374 handle->RecordInfo().iRecordStatus = |
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375 TDiagResultsDatabaseTestRecordInfo::EOpen; |
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376 |
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377 CleanupStack::Pop(); //params |
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378 CleanupStack::PopAndDestroy( &stream ); |
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379 |
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380 CreateSubsessionL(handle, EFalse); |
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381 |
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382 TPckgBuf<TUid> recorduidpckg( handle->RecordInfo().iRecordId ); |
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383 |
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384 aMessage.Write(0, recorduidpckg ); |
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385 } |
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386 |
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387 // --------------------------------------------------------------------------- |
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388 // Return the database file uid. |
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389 // --------------------------------------------------------------------------- |
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390 // |
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391 TUid CDiagResultsDbSession::DbUid() const |
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392 { |
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393 return iDbUid; |
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394 } |
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395 |
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396 // --------------------------------------------------------------------------- |
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397 // Create a new subsession. |
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398 // --------------------------------------------------------------------------- |
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399 // |
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400 void CDiagResultsDbSession::CreateSubsessionL( |
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401 CDiagResultsDbTestRecordHandle* aTestRecordHandle, |
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402 TBool aReadonly ) |
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403 { |
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404 TInt handle(0); |
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405 CObject* subsession = NULL; |
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406 |
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407 // Create sub-session object |
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408 subsession = CDiagResultsDbTestRecordSubsession::NewL( this, |
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409 aTestRecordHandle, |
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410 aReadonly ); |
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411 CleanupStack::PushL( subsession ); |
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412 iSubsessionContainer->AddL( subsession ); |
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413 CleanupStack::Pop(); |
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414 |
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415 // Create sub-session handle |
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416 TRAPD( err, handle = iSubsessionIndex->AddL( subsession ) ); |
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417 |
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418 // Remember to remove session object from object container |
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419 if( err != KErrNone ) |
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420 { |
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421 iSubsessionContainer->Remove( subsession ); |
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422 User::Leave( DiagResultsDbCommon::ESvrCreateSubsession ); |
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423 } |
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424 |
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425 // Package to pass information to the client |
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426 TPckgC<TInt> handlePckg(handle); |
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427 |
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428 // Send handle to the client |
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429 TRAP( err, iMsg.WriteL( 3, handlePckg ) ); |
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430 if( err != KErrNone ) |
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431 { |
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432 iSubsessionIndex->Remove(handle); |
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433 User::Leave( DiagResultsDbCommon::ESvrCreateSubsession ); |
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434 } |
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435 |
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436 return; |
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437 } |
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438 |
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439 // --------------------------------------------------------------------------- |
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440 // Close existing subsession. |
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441 // --------------------------------------------------------------------------- |
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442 // |
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443 void CDiagResultsDbSession::CloseSubsessionL() |
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444 { |
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445 TInt handle = iMsg.Int3(); |
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446 iSubsessionIndex->Remove(handle); |
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447 } |
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448 |
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449 // --------------------------------------------------------------------------- |
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450 // Return store that is responsible for handling the database file. |
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451 // --------------------------------------------------------------------------- |
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452 // |
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453 CDiagResultsDbStore& CDiagResultsDbSession::Store() |
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454 { |
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455 return *iStore; |
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456 } |
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457 |
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458 // --------------------------------------------------------------------------- |
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459 // Service function. Searches for newest test results. |
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460 // Related functions: |
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461 // ExistingRecordsAsyncL (initiates async fetch of test records) |
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462 // CancelLastResultsL (cancel async fetch) |
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463 // ExistingRecordsL (retrieves test records) |
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464 // --------------------------------------------------------------------------- |
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465 // |
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466 void CDiagResultsDbSession::GetLastResultsL( const RMessage2 &aMessage ) |
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467 { |
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468 if ( iBufferedLastResults == NULL ) |
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469 { |
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470 User::Leave ( KErrNotFound ); |
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471 } |
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472 |
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473 ReadBufferL( aMessage, 0, iBuffer ); |
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474 |
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475 RBufWriteStream stream ( *iBuffer ); |
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476 CleanupClosePushL( stream ); |
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477 |
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478 stream.WriteInt16L( iBufferedLastResults->Count() ); |
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479 |
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480 for ( TInt i = 0; i < iBufferedLastResults->Count(); ++i ) |
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481 { |
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482 CDiagResultsDatabaseItem* item = (*iBufferedLastResults)[i]; |
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483 |
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484 if ( item == NULL ) |
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485 { |
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486 stream.WriteUint8L(0); |
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487 } |
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488 else |
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489 { |
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490 stream.WriteUint8L(1); |
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491 (*iBufferedLastResults)[i]->ExternalizeL( stream ); |
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492 } |
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493 } |
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494 |
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495 if ( iBuffer->Ptr(0).Length() > aMessage.GetDesMaxLength(0) ) |
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496 { |
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497 User::Leave( KErrOverflow ); |
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498 } |
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499 |
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500 stream.CommitL(); |
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501 |
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502 CleanupStack::PopAndDestroy( &stream ); |
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503 |
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504 aMessage.Write( 0, iBuffer->Ptr(0) ); //write to client's address space |
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505 |
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506 iBufferedLastResults->ResetAndDestroy(); |
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507 iBufferedLastResults->Close(); |
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508 delete iBufferedLastResults; |
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509 iBufferedLastResults = NULL; |
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510 } |
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511 |
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512 |
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513 // --------------------------------------------------------------------------- |
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514 // Service function. Get single test result (the newest). |
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515 // --------------------------------------------------------------------------- |
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516 // |
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517 void CDiagResultsDbSession::GetSingleLastResultL( const RMessage2 &aMessage ) |
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518 { |
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519 ReadBufferL( aMessage, 0, iBuffer ); |
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520 |
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521 RBufWriteStream stream ( *iBuffer ); |
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522 CleanupClosePushL( stream ); |
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523 |
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524 if ( iBufferedSingleResult ) |
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525 { |
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526 stream.WriteInt8L( 1 ); |
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527 |
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528 iBufferedSingleResult->ExternalizeL( stream ); |
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529 |
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530 } |
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531 else //NULL |
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532 { |
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533 stream.WriteInt8L( 0 ); |
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534 } |
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535 |
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536 stream.CommitL(); |
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537 CleanupStack::PopAndDestroy( &stream ); |
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538 |
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539 aMessage.Write( 0, iBuffer->Ptr(0) ); |
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540 |
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541 delete iBufferedSingleResult; |
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542 iBufferedSingleResult = NULL; |
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543 } |
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544 |
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545 |
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546 // --------------------------------------------------------------------------- |
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547 // Service function. Cancel InitiateGetLastResults method. |
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548 // --------------------------------------------------------------------------- |
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549 // |
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550 void CDiagResultsDbSession::CancelLastResultsL( const RMessage2 & /*aMessage*/ ) |
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551 { |
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552 if ( !iLastResultsMsg.IsNull() ) |
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553 { |
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554 iStore->Cancel(); |
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555 iLastResultsMsg.Complete( KErrCancel ); |
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556 |
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557 if ( iBufferedLastResults ) |
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558 { |
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559 iBufferedLastResults->ResetAndDestroy(); |
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560 delete iBufferedLastResults; |
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561 iBufferedLastResults = NULL; |
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562 } |
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563 } |
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564 } |
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565 |
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566 // --------------------------------------------------------------------------- |
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567 // Service function. Retrieve uid of the newest test record. |
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568 // --------------------------------------------------------------------------- |
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569 // |
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570 void CDiagResultsDbSession::GetLastRecordL( const RMessage2 &aMessage ) |
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571 { |
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572 RArray<TUid> uids; |
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573 CleanupClosePushL ( uids ); |
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574 iStore->RecordUidsL( uids ); |
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575 |
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576 if ( uids.Count() == 0 ) |
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577 { |
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578 User::Leave( KErrNotFound ); |
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579 } |
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580 |
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581 TPckgBuf<TUid> pckg( uids[uids.Count() -1] ); //newest record is the last |
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582 aMessage.Write( 0, pckg ); |
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583 |
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584 CleanupStack::PopAndDestroy( &uids ); |
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585 } |
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586 |
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587 |
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588 // --------------------------------------------------------------------------- |
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589 // Service function. Try to find a test record that was suspended. |
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590 // Leave with KErrNotFound if such test record is not found. |
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591 // --------------------------------------------------------------------------- |
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592 // |
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593 void CDiagResultsDbSession::GetLastNotCompletedRecordL( const RMessage2 &aMessage ) |
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594 { |
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595 RArray<TUid> uids; |
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596 CleanupClosePushL ( uids ); |
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597 iStore->RecordUidsL( uids ); |
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598 |
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599 TBool found = EFalse; |
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600 |
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601 // newest record are on the top. |
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602 for (TInt i = uids.Count() -1; i >= 0; --i) |
|
603 { |
|
604 CDiagResultsDbTestRecordHandle* handle = |
|
605 iStore->OpenExistingHandleL( uids[i] ); |
|
606 |
|
607 CleanupStack::PushL (handle); |
|
608 |
|
609 if( handle->RecordInfo().iRecordStatus != |
|
610 TDiagResultsDatabaseTestRecordInfo::ECompleted && |
|
611 !handle->RecordInfo().iCompleted ) |
|
612 |
|
613 { |
|
614 TPckgBuf<TUid> pckg( handle->RecordInfo().iRecordId ); |
|
615 aMessage.Write( 0, pckg ); |
|
616 found = ETrue; |
|
617 CleanupStack::PopAndDestroy( handle ); |
|
618 break; |
|
619 } |
|
620 |
|
621 CleanupStack::PopAndDestroy( handle ); |
|
622 } |
|
623 |
|
624 CleanupStack::PopAndDestroy( &uids ); |
|
625 |
|
626 if ( !found ) |
|
627 { |
|
628 User::Leave ( KErrNotFound ); |
|
629 } |
|
630 } |
|
631 |
|
632 // --------------------------------------------------------------------------- |
|
633 // Service function. Retrieve all test record uids that there are. |
|
634 // --------------------------------------------------------------------------- |
|
635 // |
|
636 void CDiagResultsDbSession::GetRecordListL( const RMessage2 &aMessage ) |
|
637 { |
|
638 ReadBufferL( aMessage, 0, iBuffer ); |
|
639 |
|
640 RArray<TUid> uids; |
|
641 CleanupClosePushL( uids ); |
|
642 iStore->RecordUidsL( uids ); |
|
643 |
|
644 RBufWriteStream stream ( *iBuffer ); |
|
645 CleanupClosePushL( stream ); |
|
646 stream.WriteInt16L( uids.Count() ); |
|
647 |
|
648 for ( TInt i = 0; i < uids.Count(); ++i ) |
|
649 { |
|
650 stream.WriteInt32L( uids[i].iUid ); |
|
651 } |
|
652 |
|
653 if ( iBuffer->Ptr(0).Length() > aMessage.GetDesMaxLength(0) ) |
|
654 { |
|
655 User::Leave( KErrOverflow ); |
|
656 } |
|
657 |
|
658 aMessage.Write( 0, iBuffer->Ptr(0) ); //write to client's address space |
|
659 |
|
660 CleanupStack::PopAndDestroy( &stream ); |
|
661 CleanupStack::PopAndDestroy( &uids ); |
|
662 |
|
663 } |
|
664 |
|
665 // --------------------------------------------------------------------------- |
|
666 // Service function. Return overviews of test records. |
|
667 // --------------------------------------------------------------------------- |
|
668 // |
|
669 void CDiagResultsDbSession::GetRecordInfoListL( const RMessage2 &aMessage ) |
|
670 { |
|
671 ReadBufferL( aMessage, 0, iBuffer ); |
|
672 |
|
673 CArrayFixFlat<TDiagResultsDatabaseTestRecordInfo>* array = new (ELeave) |
|
674 CArrayFixFlat<TDiagResultsDatabaseTestRecordInfo>(KArrayGranuality); |
|
675 CleanupStack::PushL (array); |
|
676 |
|
677 RArray<TUid> uids; |
|
678 CleanupClosePushL ( uids ); |
|
679 iStore->RecordUidsL( uids ); |
|
680 |
|
681 for (TInt i = 0; i < uids.Count(); ++i) |
|
682 { |
|
683 CDiagResultsDbTestRecordHandle* handle = |
|
684 iStore->OpenExistingHandleL( uids[i] ); |
|
685 |
|
686 CleanupStack::PushL (handle); |
|
687 array->AppendL( handle->RecordInfo() ); |
|
688 |
|
689 CleanupStack::PopAndDestroy( handle ); |
|
690 } |
|
691 |
|
692 CleanupStack::PopAndDestroy( &uids ); |
|
693 |
|
694 TDiagResultsDbRecordInfoArrayPacked packedArray ( iBuffer ); |
|
695 packedArray.PackArrayL ( *array ); |
|
696 |
|
697 if ( iBuffer->Ptr(0).Length() > aMessage.GetDesMaxLength(0) ) |
|
698 { |
|
699 User::Leave( KErrOverflow ); |
|
700 } |
|
701 |
|
702 aMessage.Write( 0, iBuffer->Ptr(0) ); //write to client's address space |
|
703 |
|
704 CleanupStack::PopAndDestroy( array ); |
|
705 |
|
706 } |
|
707 |
|
708 // --------------------------------------------------------------------------- |
|
709 // Helper function to read a buffer from client side. Leaves the buffer |
|
710 // onto cleanup stack IF it has to create a new one. |
|
711 // --------------------------------------------------------------------------- |
|
712 // |
|
713 void CDiagResultsDbSession::ReadBufferL(const RMessage2& aMessage, TInt aParam, |
|
714 CBufFlat*& aBuffer) |
|
715 { |
|
716 TInt desLen = aMessage.GetDesLengthL(aParam); |
|
717 |
|
718 if(desLen >= 0) |
|
719 { |
|
720 if (aBuffer==NULL) |
|
721 { |
|
722 aBuffer = CBufFlat::NewL(KArrayGranuality); |
|
723 aBuffer->ResizeL(desLen); |
|
724 CleanupStack::PushL(aBuffer); |
|
725 } |
|
726 else if (desLen > aBuffer->Ptr(0).MaxLength()) |
|
727 { |
|
728 iBuffer->Delete( 0, iBuffer->Size() ); // delete old data. |
|
729 // we have to increase the size of aBuffer |
|
730 aBuffer->ResizeL(desLen); |
|
731 } |
|
732 |
|
733 TPtr8 desPtr = aBuffer->Ptr(0); |
|
734 aMessage.ReadL(aParam, desPtr); |
|
735 |
|
736 } |
|
737 else |
|
738 { |
|
739 // desLen is negative leave with an error. |
|
740 User::Leave(KErrArgument); |
|
741 } |
|
742 } |
|
743 |
|
744 // --------------------------------------------------------------------------- |
|
745 // Store observer method. This is called after store has retrieved |
|
746 // test records from the DB file. |
|
747 // --------------------------------------------------------------------------- |
|
748 // |
|
749 void CDiagResultsDbSession::ExistingRecordsL( TInt aError, |
|
750 RPointerArray<CDiagResultsDbTestRecord>* aArray ) |
|
751 { |
|
752 CleanupStack::PushL ( aArray ); |
|
753 CleanupResetAndDestroyClosePushL( *aArray ); |
|
754 |
|
755 //Check if there were any errors during loading the test records. |
|
756 if ( aError != KErrNone ) |
|
757 { |
|
758 |
|
759 if ( iLastResultCommand == |
|
760 DiagResultsDbCommon::EInitiateGetLastResults ) |
|
761 { |
|
762 iLastResultsMsg.Complete ( aError ); |
|
763 } |
|
764 else if ( iLastResultCommand == |
|
765 DiagResultsDbCommon::EInitiateGetSingleLastResult ) |
|
766 { |
|
767 iLastSingleResultsMsg.Complete ( aError ); |
|
768 } |
|
769 |
|
770 CleanupStack::PopAndDestroy( aArray ); |
|
771 CleanupStack::PopAndDestroy( aArray ); //delete the pointer |
|
772 return; |
|
773 } |
|
774 |
|
775 switch( iLastResultCommand ) |
|
776 { |
|
777 |
|
778 //Find multiple last results |
|
779 //buffer contains the uids to be searched. |
|
780 //See RDiagResultsDatabase::InitiateGetLastResults. |
|
781 case DiagResultsDbCommon::EInitiateGetLastResults: |
|
782 { |
|
783 //Trap is needed so that we can complete client's request |
|
784 //if any errors occur. |
|
785 TRAPD(error, FindLastResultsL( *aArray )); |
|
786 |
|
787 if ( error != KErrNone ) |
|
788 { |
|
789 iLastResultsMsg.Complete (error); |
|
790 break; |
|
791 } |
|
792 else |
|
793 { |
|
794 iLastResultsMsg.Complete (KErrNone); |
|
795 } |
|
796 |
|
797 break; |
|
798 } |
|
799 |
|
800 // Find single test result |
|
801 // see RDiagResultsDatabase::InitiateGetLastResult. |
|
802 case DiagResultsDbCommon::EInitiateGetSingleLastResult: |
|
803 { |
|
804 TPckgBuf<TUid> uidpckg; |
|
805 iLastSingleResultsMsg.Read(0, uidpckg); |
|
806 TUid resultsItemUid = uidpckg(); |
|
807 |
|
808 CDiagResultsDatabaseItem* item = NULL; |
|
809 |
|
810 // Trap any errors and complete client's request if there |
|
811 // are any errors. |
|
812 TRAPD(error, item = FindDatabaseItemL( resultsItemUid, aArray)) ; |
|
813 |
|
814 if ( error != KErrNone ) |
|
815 { |
|
816 delete item; |
|
817 item = NULL; |
|
818 |
|
819 iLastSingleResultsMsg.Complete (error); |
|
820 break; |
|
821 } |
|
822 |
|
823 if ( item == NULL ) //Not found |
|
824 { |
|
825 iBufferedSingleResult = NULL; |
|
826 |
|
827 //Check also the last results buffer |
|
828 CheckLastResultsBufferL( resultsItemUid, iBufferedSingleResult ); |
|
829 } |
|
830 else |
|
831 { |
|
832 iBufferedSingleResult = item; |
|
833 } |
|
834 |
|
835 |
|
836 |
|
837 iLastSingleResultsMsg.Complete (KErrNone); |
|
838 break; |
|
839 } |
|
840 |
|
841 default: |
|
842 { |
|
843 User::Panic ( _L("Diag results DB"), |
|
844 DiagResultsDbCommon::EUnknownLastResultState ); |
|
845 } |
|
846 } |
|
847 |
|
848 iLastResultCommand = 0; |
|
849 |
|
850 CleanupStack::PopAndDestroy( aArray ); //call reset and destroy + close |
|
851 CleanupStack::PopAndDestroy( aArray ); //delete the pointer |
|
852 } |
|
853 |
|
854 |
|
855 // --------------------------------------------------------------------------- |
|
856 // Read UIDs from a stream and search last results. |
|
857 // --------------------------------------------------------------------------- |
|
858 // |
|
859 void CDiagResultsDbSession::FindLastResultsL( |
|
860 RPointerArray<CDiagResultsDbTestRecord>& aArray ) |
|
861 { |
|
862 |
|
863 CArrayFixFlat<TUid>* uidArray = new (ELeave) |
|
864 CArrayFixFlat<TUid>(KArrayGranuality); |
|
865 CleanupStack::PushL( uidArray ); |
|
866 |
|
867 RBufReadStream stream( *iBuffer ); |
|
868 CleanupClosePushL ( stream ); |
|
869 |
|
870 TInt8 count = stream.ReadInt8L(); |
|
871 |
|
872 for ( TInt i = 0; i < count; ++i ) |
|
873 { |
|
874 TInt32 uid = stream.ReadInt32L(); |
|
875 |
|
876 uidArray->AppendL( TUid::Uid( uid )); |
|
877 } |
|
878 |
|
879 CleanupStack::PopAndDestroy( &stream ); |
|
880 |
|
881 iBufferedLastResults = new (ELeave) RPointerArray<CDiagResultsDatabaseItem>; |
|
882 |
|
883 SearchLastResultsL( *uidArray, aArray, *iBufferedLastResults ); |
|
884 |
|
885 //last results could be also in the last results buffer. |
|
886 CheckLastResultsBufferL( *uidArray, *iBufferedLastResults ); |
|
887 |
|
888 // there must be exactly the same number of cells in both arrays. |
|
889 if ( uidArray->Count() != iBufferedLastResults->Count() ) |
|
890 { |
|
891 User::Panic ( _L("Diag results DB"), |
|
892 DiagResultsDbCommon::EGetLastResultsMismatch ); |
|
893 } |
|
894 |
|
895 CleanupStack::PopAndDestroy( uidArray ); |
|
896 } |
|
897 |
|
898 |
|
899 // --------------------------------------------------------------------------- |
|
900 // Check last result buffer for test results. |
|
901 // --------------------------------------------------------------------------- |
|
902 // |
|
903 void CDiagResultsDbSession::CheckLastResultsBufferL( |
|
904 const CArrayFixFlat<TUid>& aUidArray, |
|
905 RPointerArray<CDiagResultsDatabaseItem>& aResultsArray ) |
|
906 { |
|
907 CDiagResultsDbTestRecord* buffer = iStore->OpenExistingLastResultsBufferL(); |
|
908 CleanupStack::PushL( buffer ); |
|
909 |
|
910 for (TInt i = 0; i < aResultsArray.Count(); ++i) |
|
911 { |
|
912 if ( aResultsArray[i] == NULL ) |
|
913 { |
|
914 TUid uid = aUidArray[i]; |
|
915 |
|
916 CDiagResultsDatabaseItem* item = buffer->FindTestRecord( uid ); |
|
917 |
|
918 if ( item ) |
|
919 { |
|
920 buffer->RemoveL( uid ); |
|
921 aResultsArray[i] = item; |
|
922 } |
|
923 } |
|
924 } |
|
925 |
|
926 CleanupStack::PopAndDestroy( buffer ); |
|
927 } |
|
928 |
|
929 |
|
930 // --------------------------------------------------------------------------- |
|
931 // Check last result buffer for test result. |
|
932 // --------------------------------------------------------------------------- |
|
933 // |
|
934 void CDiagResultsDbSession::CheckLastResultsBufferL( |
|
935 TUid aTestUid, |
|
936 CDiagResultsDatabaseItem*& aResult ) |
|
937 { |
|
938 |
|
939 |
|
940 CDiagResultsDbTestRecord* buffer = iStore->OpenExistingLastResultsBufferL(); |
|
941 CleanupStack::PushL( buffer ); |
|
942 |
|
943 CDiagResultsDatabaseItem* item = buffer->FindTestRecord( aTestUid ); |
|
944 |
|
945 if ( item ) |
|
946 { |
|
947 buffer->RemoveL( aTestUid ); |
|
948 aResult = item; |
|
949 } |
|
950 |
|
951 CleanupStack::PopAndDestroy( buffer ); |
|
952 } |
|
953 |
|
954 |
|
955 // --------------------------------------------------------------------------- |
|
956 // Searches for the newest test results. |
|
957 // --------------------------------------------------------------------------- |
|
958 // |
|
959 void CDiagResultsDbSession::SearchLastResultsL( |
|
960 const CArrayFixFlat<TUid>& aUidArray, |
|
961 RPointerArray<CDiagResultsDbTestRecord>& aTestRecordArray, |
|
962 RPointerArray<CDiagResultsDatabaseItem>& aResultsArray ) |
|
963 |
|
964 { |
|
965 //Search all records for certain uid. |
|
966 for ( TInt i = 0; i < aUidArray.Count(); ++i ) |
|
967 { |
|
968 |
|
969 CDiagResultsDatabaseItem* item = |
|
970 FindDatabaseItemL( aUidArray[i], &aTestRecordArray ); |
|
971 |
|
972 if ( item == NULL ) //Not found |
|
973 { |
|
974 aResultsArray.Append(NULL); |
|
975 } |
|
976 else |
|
977 { |
|
978 aResultsArray.Append( item ); |
|
979 } |
|
980 } |
|
981 } |
|
982 |
|
983 |
|
984 // --------------------------------------------------------------------------- |
|
985 // Indicates has session written any data into the DB file. |
|
986 // To be exact only subsession writes data into the file. |
|
987 // --------------------------------------------------------------------------- |
|
988 // |
|
989 void CDiagResultsDbSession::HasWritten() |
|
990 { |
|
991 iHasWrittenData = ETrue; |
|
992 } |
|
993 |
|
994 // --------------------------------------------------------------------------- |
|
995 // Turn off compacting. |
|
996 // --------------------------------------------------------------------------- |
|
997 // |
|
998 void CDiagResultsDbSession::DoNotCompact() |
|
999 { |
|
1000 iHasWrittenData = EFalse; |
|
1001 } |
|
1002 |
|
1003 // --------------------------------------------------------------------------- |
|
1004 // Helper function to seach an item from a pointer array. |
|
1005 // Starts from the newest record to search for an UID. |
|
1006 // --------------------------------------------------------------------------- |
|
1007 // |
|
1008 CDiagResultsDatabaseItem* CDiagResultsDbSession::FindDatabaseItemL( TUid aUid, |
|
1009 RPointerArray<CDiagResultsDbTestRecord>* aArray ) |
|
1010 { |
|
1011 |
|
1012 //Check that there is a test record. |
|
1013 if ( !aArray || aArray->Count() == 0 ) |
|
1014 { |
|
1015 return NULL; |
|
1016 } |
|
1017 |
|
1018 // start from the newest record |
|
1019 for (TInt x = aArray->Count() -1; x >= 0 ; --x ) |
|
1020 { |
|
1021 CDiagResultsDbTestRecord* record = (*aArray)[x]; |
|
1022 |
|
1023 //Assumes that there is only MAX one specific UID in the test record. |
|
1024 for ( TInt y = 0; y < record->Count(); ++y ) |
|
1025 { |
|
1026 CDiagResultsDatabaseItem* item = record->GetItem( y ); |
|
1027 |
|
1028 // Search for a test result that is not skipped / cancelled. |
|
1029 if ( item->TestUid() == aUid && |
|
1030 (item->TestResult() == CDiagResultsDatabaseItem::ESuccess || |
|
1031 item->TestResult() == CDiagResultsDatabaseItem::EFailed )) |
|
1032 { |
|
1033 //Remove the found item to speed up look up times. |
|
1034 //This does not remove it from the DB file. |
|
1035 record->RemoveL( y ); |
|
1036 return item; |
|
1037 } |
|
1038 } |
|
1039 } |
|
1040 |
|
1041 return NULL; |
|
1042 } |
|