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1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <logclientchangeobserver.h> |
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17 #include "LogServDatabaseDriver.h" |
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18 #include "LOGMAIN.H" |
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19 #include "LOGADD.H" |
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20 #include "LOGCHNGE.H" |
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21 #include "LOGGET.H" |
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22 #include "LOGDEL.H" |
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23 #include "LOGQUERY.H" |
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24 #include "logservpanic.h" |
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25 #include "LogServCacheConfig.h" |
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26 #include "LogServCacheTypes.h" |
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27 #include "LogServBackupInterface.h" |
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28 #include "LogServViewWindowFetcher.h" |
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29 #include "LogServRecentListManager.h" |
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30 #include "LogServDatabaseTransactionInterface.h" |
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31 #include "LogServDatabaseChangeInterface.h" |
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32 #include "LogServSqlStrings.h" |
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33 |
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34 |
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35 ///////////////////////////////////////////////////////////////////////////////////////// |
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36 // -----> CLogServDatabaseDriver (source) |
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37 ///////////////////////////////////////////////////////////////////////////////////////// |
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38 |
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39 CLogServDatabaseDriver::CLogServDatabaseDriver(MLogServBackupInterface& aBackupInterface, MLogServDatabaseTransactionInterface& aDatabase, CLogServResourceInterpreter& aResourceInterface, CLogServRecentListManager& aRecentListManager, TInt aHitterPriorities) |
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40 : iHitterPriorities(aHitterPriorities), iBackupInterface(aBackupInterface), iDatabase(aDatabase), iResourceInterface(aResourceInterface), iRecentListManager(aRecentListManager) |
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41 { |
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42 } |
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43 |
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44 CLogServDatabaseDriver::~CLogServDatabaseDriver() |
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45 { |
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46 iBackupInterface.BIObserverRemove(*this); |
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47 DestroyHitters(); |
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48 } |
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49 |
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50 void CLogServDatabaseDriver::ConstructL() |
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51 { |
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52 iBackupInterface.BIObserverAddL(*this, MLogServBackupInterface::EObjectDatabaseDriver); |
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53 // |
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54 CreateHittersL(); |
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55 } |
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56 |
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57 CLogServDatabaseDriver* CLogServDatabaseDriver::NewL(MLogServBackupInterface& aBackupInterface, MLogServDatabaseTransactionInterface& aDatabase, CLogServResourceInterpreter& aResourceInterface, CLogServRecentListManager& aRecentListManager, TInt aHitterPriorities) |
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58 { |
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59 CLogServDatabaseDriver* self = new(ELeave) CLogServDatabaseDriver(aBackupInterface, aDatabase, aResourceInterface, aRecentListManager, aHitterPriorities); |
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60 CleanupStack::PushL(self); |
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61 self->ConstructL(); |
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62 CleanupStack::Pop(self); |
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63 return self; |
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64 } |
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65 |
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66 ///////////////////////////////////////////////////////////////////////////////////////// |
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67 ///////////////////////////////////////////////////////////////////////////////////////// |
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68 ///////////////////////////////////////////////////////////////////////////////////////// |
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69 |
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70 void CLogServDatabaseDriver::BOHandleEventL(TLogServBackupEvent aEvent) |
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71 { |
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72 switch(aEvent) |
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73 { |
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74 case EBackupStarting: |
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75 LOGTEXT("CLogServDatabaseDriver::BOHandleEventL() - Backup STARTING"); |
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76 DestroyHitters(); |
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77 break; |
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78 case EBackupEnded: |
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79 LOGTEXT("CLogServDatabaseDriver::BOHandleEventL() - Backup ENDING"); |
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80 CreateHittersL(); |
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81 break; |
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82 default: |
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83 __ASSERT_DEBUG(EFalse, User::Invariant()); |
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84 break; |
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85 } |
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86 |
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87 LOGTEXT("CLogServDatabaseDriver::BOHandleEventL() - end"); |
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88 } |
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89 |
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90 ///////////////////////////////////////////////////////////////////////////////////////// |
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91 ///////////////////////////////////////////////////////////////////////////////////////// |
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92 ///////////////////////////////////////////////////////////////////////////////////////// |
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93 |
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94 void CLogServDatabaseDriver::TaskEventAddL(TRequestStatus& aStatus, CLogEvent& aEvent, const RMessage2& aMessage) |
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95 // |
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96 // Add an event to the database |
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97 // |
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98 { |
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99 LOGTEXT("CLogServDatabaseDriver::TaskEventAddL()"); |
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100 |
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101 // Handle when we're doing a backup |
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102 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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103 |
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104 // Get the recent list for this event |
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105 const CLogServRecentList* list = iRecentListManager.GetRecentList(aEvent); |
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106 |
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107 // Do the work |
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108 iAddEvent->StartL(aEvent, list, aStatus, aMessage); |
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109 |
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110 LOGTEXT("CLogServDatabaseDriver::TaskEventAddL() - end"); |
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111 } |
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112 |
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113 void CLogServDatabaseDriver::TaskEventChangeL(TRequestStatus& aStatus, const CLogEvent& aEvent, const RMessage2& aMessage) |
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114 // |
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115 // Change an event in the database |
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116 // |
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117 { |
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118 LOGTEXT("CLogServDatabaseDriver::TaskEventChangeL()"); |
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119 |
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120 // Handle when we're doing a backup |
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121 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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122 |
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123 // Get the recent list for this event |
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124 const CLogServRecentList* list = iRecentListManager.GetRecentList(aEvent); |
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125 |
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126 // |
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127 |
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128 // Do the work |
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129 iChangeEvent->StartL(aEvent, list, aStatus, aMessage); |
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130 |
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131 LOGTEXT("CLogServDatabaseDriver::TaskEventChangeL() - end"); |
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132 } |
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133 |
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134 void CLogServDatabaseDriver::TaskEventGetL(TRequestStatus& aStatus, CLogEvent& aEvent, const RMessage2& aMessage) |
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135 // |
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136 // Get an event from the database |
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137 // |
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138 { |
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139 LOGTEXT("CLogServDatabaseDriver::TaskEventGetL()"); |
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140 |
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141 // Handle when we're doing a backup |
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142 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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143 |
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144 // Do the work |
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145 iGetEvent->StartL(aEvent, aStatus, aMessage); |
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146 |
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147 LOGTEXT("CLogServDatabaseDriver::TaskEventGetL() - end"); |
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148 } |
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149 |
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150 void CLogServDatabaseDriver::TaskEventDeleteL(TRequestStatus& aStatus, TLogId aId, const RMessage2& aMessage) |
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151 // |
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152 // Delete an event from the database |
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153 // |
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154 { |
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155 LOGTEXT("CLogServDatabaseDriver::TaskEventDeleteL()"); |
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156 |
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157 // Handle when we're doing a backup |
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158 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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159 |
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160 iDeleteEvent->StartL(aId, aStatus, aMessage); |
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161 |
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162 LOGTEXT("CLogServDatabaseDriver::TaskEventDeleteL() - end"); |
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163 } |
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164 |
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165 void CLogServDatabaseDriver::TaskEventTypeAddL(TRequestStatus& aStatus, const CLogEventType& aEventType) |
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166 { |
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167 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeAddL()"); |
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168 |
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169 // Handle when we're doing a backup |
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170 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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171 iDatabase.DTICacheTypes().AddTypeL(aEventType); |
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172 // |
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173 TRequestStatus* status = &aStatus; |
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174 User::RequestComplete(status, KErrNone); |
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175 |
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176 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeAddL() - end"); |
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177 } |
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178 |
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179 void CLogServDatabaseDriver::TaskEventTypeGetL(TRequestStatus& aStatus, const CLogEventType*& aEventType, TUid aUid) |
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180 { |
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181 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeGetL()"); |
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182 |
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183 // Handle when we're doing a backup |
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184 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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185 |
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186 const TLogServCacheTypeEntry& entry = iDatabase.DTICacheTypes().FindByUid(aUid); |
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187 aEventType = entry.iEventType; |
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188 if(entry.iEventTypeId == KLogNullTypeId) |
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189 { |
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190 User::Leave(KErrNotFound); |
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191 } |
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192 |
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193 TRequestStatus* status = &aStatus; |
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194 User::RequestComplete(status, KErrNone); |
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195 |
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196 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeGetL() - end"); |
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197 } |
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198 |
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199 void CLogServDatabaseDriver::TaskEventTypeChangeL(TRequestStatus& aStatus, const CLogEventType& aEventType) |
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200 { |
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201 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeChangeL()"); |
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202 |
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203 // Handle when we're doing a backup |
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204 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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205 const TInt error = iDatabase.DTICacheTypes().ChangeType(aEventType); |
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206 // |
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207 TRequestStatus* status = &aStatus; |
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208 User::RequestComplete(status, error); |
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209 |
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210 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeChangeL() - end"); |
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211 } |
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212 |
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213 void CLogServDatabaseDriver::TaskEventTypeDeleteL(TRequestStatus& aStatus, TUid aType) |
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214 { |
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215 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeDeleteL()"); |
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216 |
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217 // Handle when we're doing a backup |
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218 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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219 const TInt error = iDatabase.DTICacheTypes().DeleteType(aType); |
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220 // |
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221 TRequestStatus* status = &aStatus; |
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222 User::RequestComplete(status, error); |
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223 |
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224 LOGTEXT("CLogServDatabaseDriver::TaskEventTypeDeleteL() - end"); |
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225 } |
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226 |
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227 void CLogServDatabaseDriver::TaskConfigGetL(TRequestStatus& aStatus, TLogConfig& aConfig) |
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228 { |
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229 LOGTEXT("CLogServDatabaseDriver::TaskConfigGetL()"); |
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230 |
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231 // Handle when we're doing a backup |
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232 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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233 aConfig = iDatabase.DTICacheConfig().Config(); |
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234 // |
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235 TRequestStatus* status = &aStatus; |
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236 User::RequestComplete(status, KErrNone); |
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237 |
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238 LOGTEXT("CLogServDatabaseDriver::TaskConfigGetL() - end"); |
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239 } |
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240 |
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241 void CLogServDatabaseDriver::TaskConfigChangeL(TRequestStatus& aStatus, const TLogConfig& aConfig) |
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242 { |
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243 LOGTEXT("CLogServDatabaseDriver::TaskConfigChangeL()"); |
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244 |
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245 // Handle when we're doing a backup |
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246 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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247 |
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248 iChangeConfig->StartL(aConfig, aStatus); |
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249 |
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250 LOGTEXT("CLogServDatabaseDriver::TaskConfigChangeL() - end"); |
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251 } |
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252 |
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253 // aDate is expected to be UTC |
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254 void CLogServDatabaseDriver::TaskClearLogL(TRequestStatus& aStatus, const TTime& aDate |
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255 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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256 , TSimId aSimId |
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257 #endif |
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258 ) |
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259 { |
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260 LOGTEXT("CLogServDatabaseDriver::TaskClearLogL()"); |
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261 |
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262 // Handle when we're doing a backup |
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263 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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264 |
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265 // Format the date. |
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266 TBuf<KLogMaxDateLength> dateString; |
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267 aDate.FormatL(dateString, LogUtils::DateFormatForLocale()); |
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268 // Get list of events to purge |
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269 TheSql.Format(KLogSqlDeleteOldestString, &dateString); |
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270 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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271 if(aSimId != KLogNullSimId) |
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272 { |
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273 TheSql.Append(KLogAnd); |
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274 TheSql.AppendFormat(KLogUNumberPredicate, &KLogFieldEventSimId, aSimId); |
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275 } |
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276 #endif |
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277 iDatabase.DTIBeginWithRollBackProtectionLC(); |
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278 TInt rc = iDatabase.DTIExecuteSql(TheSql); |
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279 User::LeaveIfError(rc); |
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280 if(rc > 0) |
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281 { |
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282 // Add log cleared events. First is for the window code, which receives messages |
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283 // through the old API. The 2nd is for clients of the log engine |
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284 iDatabase.DTIChangeInterface().DCISubmitChangedEventContextL(ELogChangeTypeLogCleared, KLogNullId); |
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285 iDatabase.DTIChangeInterface().DCISubmitGlobalChangeContextL(KLogClientChangeEventLogCleared); |
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286 } |
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287 iDatabase.DTICommitAndCancelRollbackProtectionL(); |
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288 // Complete the request |
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289 TRequestStatus* status = &aStatus; |
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290 User::RequestComplete(status, KErrNone); |
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291 |
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292 LOGTEXT("CLogServDatabaseDriver::TaskClearLogL() - end"); |
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293 } |
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294 |
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295 void CLogServDatabaseDriver::TaskClearRecentL(TRequestStatus& aStatus, TInt aRecentList |
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296 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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297 , TSimId aSimId |
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298 #endif |
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299 ) |
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300 { |
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301 LOGTEXT("CLogServDatabaseDriver::TaskClearRecentL()"); |
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302 |
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303 // Handle when we're doing a backup |
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304 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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305 |
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306 TheSql.Copy(KLogSqlSelectAllRecent); |
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307 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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308 TBool whereAdded = EFalse; |
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309 #endif |
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310 // Get events to clear from recent lists |
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311 if(aRecentList != KLogNullRecentList) |
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312 { |
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313 TheSql.Append(KLogWhere); |
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314 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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315 whereAdded = ETrue; |
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316 #endif |
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317 TheSql.AppendFormat(KLogNumberPredicate, &KLogFieldEventRecentString, aRecentList); |
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318 } |
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319 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM |
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320 //..and clear from recent lists with specific SimId |
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321 if(aSimId != KLogNullSimId) |
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322 { |
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323 if(whereAdded) |
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324 { |
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325 TheSql.Append(KLogAnd); |
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326 } |
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327 else |
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328 { |
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329 TheSql.Append(KLogWhere); |
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330 } |
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331 TheSql.AppendFormat(KLogUNumberPredicate, &KLogFieldEventSimId, aSimId); |
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332 } |
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333 #endif |
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334 |
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335 RLogDbView view; |
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336 view.PrepareLC(iDatabase.DTIDatabase(), TheSql); |
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337 |
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338 if(view.FirstL()) |
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339 { |
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340 static TDbColNo colId = 0; |
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341 static TDbColNo colRecent = 0; |
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342 static TDbColNo colDuplicate = 0; |
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343 if(colId == 0) |
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344 { |
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345 CDbColSet* cs = view.ColSetL(); |
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346 colId = cs->ColNo(KLogFieldIdString); |
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347 colRecent = cs->ColNo(KLogFieldEventRecentString); |
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348 colDuplicate = cs->ColNo(KLogFieldEventDuplicateString); |
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349 delete cs; |
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350 } |
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351 iDatabase.DTIBeginWithRollBackProtectionLC(); |
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352 // Iterate through the events |
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353 do |
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354 { |
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355 // Get current event id |
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356 view.GetL(); |
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357 const TLogId id = view.ColInt32(colId); |
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358 // Make the change |
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359 view.UpdateL(); |
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360 view.SetColNullL(colRecent); |
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361 view.SetColNullL(colDuplicate); |
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362 view.PutL(); |
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363 // This is a "hidden" change. It may affect the contents of a view, but the actual event hasn't changed |
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364 iDatabase.DTIChangeInterface().DCISubmitChangedEventContextL(ELogChangeTypeEventChangedHidden, id); |
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365 } |
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366 while(view.NextL()); |
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367 iDatabase.DTICommitAndCancelRollbackProtectionL(); |
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368 } |
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369 CleanupStack::PopAndDestroy(&view); |
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370 |
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371 // Complete the request |
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372 TRequestStatus* status = &aStatus; |
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373 User::RequestComplete(status, KErrNone); |
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374 |
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375 LOGTEXT("CLogServDatabaseDriver::TaskClearRecentL() - end"); |
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376 } |
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377 |
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378 void CLogServDatabaseDriver::TaskMaintenanceStartL(TRequestStatus& aStatus, TBool aPurge) |
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379 // |
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380 // Start database maintenance process |
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381 // |
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382 { |
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383 LOGTEXT("CLogServDatabaseDriver::TaskMaintenanceStartL()"); |
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384 |
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385 // Handle when we're doing a backup |
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386 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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387 |
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388 iMaintainer->Start(aPurge, aStatus); |
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389 |
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390 LOGTEXT("CLogServDatabaseDriver::TaskMaintenanceStartL() - end"); |
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391 } |
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392 |
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393 void CLogServDatabaseDriver::TaskBuildWindowL(TRequestStatus& aStatus, const CLogServViewBase& aView, const TLogTransferWindow& aWindow, const RMessage2& aMessage) |
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394 // |
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395 // Build a client window |
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396 // |
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397 { |
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398 LOGTEXT("CLogServDatabaseDriver::TaskBuildWindowL()"); |
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399 |
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400 // Handle when we're doing a backup |
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401 iBackupInterface.BIValidateStateForDatabaseOperationL(); |
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402 |
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403 iWindowFetcher->StartL(aStatus, aView, aWindow, aMessage); |
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404 |
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405 LOGTEXT("CLogServDatabaseDriver::TaskBuildWindowL() - end"); |
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406 } |
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407 |
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408 void CLogServDatabaseDriver::TaskCancelCurrent() |
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409 // |
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410 // Cancel all active tasks |
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411 // |
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412 { |
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413 LOGTEXT("CLogServDatabaseDriver::TaskCancelCurrent()"); |
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414 |
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415 if (iAddEvent) |
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416 iAddEvent->Cancel(); |
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417 if (iChangeEvent) |
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418 iChangeEvent->Cancel(); |
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419 if (iGetEvent) |
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420 iGetEvent->Cancel(); |
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421 if (iDeleteEvent) |
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422 iDeleteEvent->Cancel(); |
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423 if (iChangeConfig) |
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424 iChangeConfig->Cancel(); |
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425 if (iWindowFetcher) |
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426 iWindowFetcher->Cancel(); |
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427 |
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428 LOGTEXT("CLogServDatabaseDriver::TaskCancelCurrent() - end"); |
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429 } |
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430 |
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431 ///////////////////////////////////////////////////////////////////////////////////////// |
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432 ///////////////////////////////////////////////////////////////////////////////////////// |
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433 ///////////////////////////////////////////////////////////////////////////////////////// |
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434 |
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435 void CLogServDatabaseDriver::DestroyHitters() |
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436 { |
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437 LOGTEXT("CLogServDatabaseDriver::DestroyHitters()"); |
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438 |
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439 TaskCancelCurrent(); |
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440 // |
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441 delete iMaintainer; |
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442 iMaintainer = NULL; |
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443 delete iAddEvent; |
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444 iAddEvent = NULL; |
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445 delete iChangeEvent; |
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446 iChangeEvent = NULL; |
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447 delete iGetEvent; |
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448 iGetEvent = NULL; |
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449 delete iDeleteEvent; |
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450 iDeleteEvent = NULL; |
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451 delete iChangeConfig; |
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452 iChangeConfig = NULL; |
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453 delete iWindowFetcher; |
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454 iWindowFetcher = NULL; |
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455 |
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456 LOGTEXT("CLogServDatabaseDriver::DestroyHitters() - end"); |
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457 } |
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458 |
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459 void CLogServDatabaseDriver::CreateHittersL() |
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460 { |
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461 LOGTEXT("CLogServDatabaseDriver::CreateHittersL()"); |
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462 |
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463 iMaintainer = CLogMaintenance::NewL(iDatabase, iHitterPriorities); |
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464 iAddEvent = CLogAddEvent::NewL(iDatabase, iHitterPriorities); |
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465 iChangeEvent = CLogChangeEvent::NewL(iDatabase, iHitterPriorities); |
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466 iGetEvent = CLogGetEvent::NewL(iDatabase, iHitterPriorities); |
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467 iDeleteEvent = CLogDeleteEvent::NewL(iDatabase, iHitterPriorities); |
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468 iChangeConfig = CLogChangeConfig::NewL(iDatabase, iRecentListManager, iHitterPriorities); |
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469 iWindowFetcher = CLogServViewWindowFetcher::NewL(iDatabase, iHitterPriorities); |
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470 |
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471 LOGTEXT("CLogServDatabaseDriver::CreateHittersL() - end"); |
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472 } |