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1 // Copyright (c) 2004-2009 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 // System includes |
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17 #include <bacntf.h> |
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18 |
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19 // User includes |
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20 #include "SCHMAN.H" |
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21 #include "SchTimer.h" |
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22 #include "SchLogger.h" |
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23 #include "SCHEDULE.H" |
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24 #include "SCHCLI.H" |
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25 #include "SCHSTORE.H" |
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26 #include <schtask.h> |
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27 #include "SCHLOG.h" |
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28 |
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29 // Constants |
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30 const TInt KMinScheduleId = 0; |
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31 const TInt KMaxSchedules = 25000; |
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32 |
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33 //Command line argument |
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34 _LIT(KCommandLine, "SYSSTARTSCHEXE"); |
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35 |
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36 //SID of SysStart |
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37 const TInt KSysStartSID = 0x10205C44; |
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38 |
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39 |
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40 #define UNUSED_VAR(a) a = a |
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41 |
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42 // |
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43 // Construction/Destruction functions |
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44 // |
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45 |
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46 CTaskScheduler::CTaskScheduler() |
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47 : iSchedules(CSchedule::Offset()), |
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48 iClients(CClientProxy::Offset()), |
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49 iStartupStatePassNonCritical(EFalse) |
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50 { |
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51 } |
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52 |
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53 CTaskScheduler::~CTaskScheduler() |
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54 { |
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55 if (iBackupNotification) |
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56 { |
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57 iBackupNotification->DeRegisterBackupOperationObserver(*this); |
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58 } |
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59 delete iBackupNotification; |
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60 delete iBackupManager; |
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61 delete iNotifier; |
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62 delete iScheduleCriteriaManager; |
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63 delete iSchLogManager; |
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64 |
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65 //remove clients and schedules as well!! |
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66 TDblQueIter<CClientProxy> clientIter(iClients); |
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67 |
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68 clientIter.SetToFirst(); |
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69 CClientProxy* client=NULL; |
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70 while ((client=clientIter++)!=NULL) |
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71 { |
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72 client->Remove(); |
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73 delete client; |
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74 } |
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75 |
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76 TSglQueIter<CSchedule> schedIter(iSchedules); |
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77 |
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78 schedIter.SetToFirst(); |
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79 CSchedule* schedule=NULL; |
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80 while ((schedule=schedIter++)!=NULL) |
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81 { |
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82 iSchedules.Remove(*schedule); |
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83 delete schedule; |
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84 } |
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85 } |
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86 |
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87 void CTaskScheduler::ConstructL() |
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88 { |
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89 LOGSTRING("CTaskScheduler::ConstructL - Creating new schedule server log entry"); |
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90 |
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91 User::LeaveIfError(iFsSession.Connect()); |
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92 iBackupManager = new(ELeave) CSchBackupManager(iFsSession); |
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93 iBackupManager->ConstructL(); |
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94 |
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95 iNotifier = CEnvironmentChangeNotifier::NewL(CActive::EPriorityHigh, TCallBack(EnvironmentChanged, this)); |
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96 iNotifier->Start(); |
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97 |
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98 iScheduleCriteriaManager = CScheduleCriteriaManager::NewL(*this); |
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99 |
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100 iSchLogManager = CSchLogManager::NewL(iFsSession); |
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101 |
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102 LOGSTRING("CTaskScheduler::ConstructL - Restoring clients and schedules"); |
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103 TRAPD(err, iBackupManager->RestoreL(iClients, iSchedules,*iSchLogManager)); |
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104 if (err != KErrNone) // the file's corrupt or something... |
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105 { |
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106 LOGSTRING2("CTaskScheduler::ConstructL - had to create new store because of error: %d", err); |
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107 iBackupManager->CreateEmptyBackupL(); |
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108 } |
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109 |
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110 //checking the SID of the process which started the Task scheduler |
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111 if (User::CreatorSecureId() == KSysStartSID) |
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112 { |
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113 TInt argLen = User::CommandLineLength(); |
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114 if (argLen) |
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115 { |
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116 HBufC* arg = HBufC::NewLC(argLen); |
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117 TPtr argPtr = arg->Des(); |
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118 User::CommandLine(argPtr); |
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119 argPtr.UpperCase(); |
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120 |
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121 //Checking Comman dLine arg passed to it is same as in SSCForStartupMode0.rss |
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122 //and checking for persisted schedules |
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123 if((argPtr.Compare(KCommandLine) == 0) && iSchedules.IsEmpty()) |
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124 { |
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125 //if no schedule leave |
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126 User::Leave(KErrNone); |
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127 } |
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128 CleanupStack::PopAndDestroy(arg); |
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129 } |
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130 } |
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131 |
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132 // Each client now contains a list of associated tasks. We need |
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133 // to now associate those tasks with specific schedules |
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134 CClientProxy* client; |
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135 TDblQueIter<CClientProxy> clientIter(iClients); |
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136 clientIter.SetToFirst(); |
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137 while ((client = clientIter++) != NULL) |
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138 { |
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139 // Fetch an iterator for each task owned by this client |
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140 CScheduledTask* task; |
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141 TDblQueIter<CScheduledTask> taskIterator = client->TaskIterator(); |
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142 taskIterator.SetToFirst(); |
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143 |
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144 // Iterate through all the tasks owned by this client, trying to find |
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145 // the corresponding schedules. |
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146 while ((task = taskIterator++) != NULL) |
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147 { |
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148 CSchedule* schedule = NULL; |
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149 schedule = Find(task->ScheduleId()); |
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150 if (schedule) |
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151 { |
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152 TScheduledTask* taskRef = new(ELeave) TScheduledTask(*task,*client); |
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153 schedule->AddTask(*taskRef); |
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154 } |
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155 } |
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156 } |
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157 iBackupNotification = CBaBackupSessionWrapper::NewL(); |
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158 iBackupNotification->RegisterBackupOperationObserverL(*this); |
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159 } |
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160 |
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161 CTaskScheduler* CTaskScheduler::NewL() |
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162 { |
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163 CTaskScheduler* self = CTaskScheduler::NewLC(); |
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164 CleanupStack::Pop(); |
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165 return self; |
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166 } |
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167 |
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168 CTaskScheduler* CTaskScheduler::NewLC() |
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169 { |
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170 CTaskScheduler* self = new(ELeave) CTaskScheduler(); |
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171 CleanupStack::PushL(self); |
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172 self->ConstructL(); |
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173 return self; |
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174 } |
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175 |
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176 // |
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177 // Client, Schedule and Task functions |
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178 // |
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179 |
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180 CClientProxy* CTaskScheduler::AddClientL(const TDesC& aFilename, TInt aPriority) |
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181 { |
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182 //check we don't already have a client that will do... |
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183 TDblQueIter<CClientProxy> clientIter(iClients); |
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184 clientIter.SetToFirst(); |
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185 CClientProxy* client=NULL; |
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186 while ((client=clientIter++)!=NULL) |
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187 { |
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188 if (client->IsEqual(aFilename, aPriority)) |
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189 return client; |
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190 } |
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191 client = CClientProxy::NewL(iFsSession, aFilename, aPriority,*iSchLogManager); |
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192 iClients.Add(*client); |
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193 return client; |
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194 } |
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195 |
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196 void CTaskScheduler::AddScheduleL(CSchedule& aSchedule) |
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197 { |
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198 LOGSTRING3("CTaskScheduler::AddScheduleL - schedule: %S, %d", &aSchedule.Name(), aSchedule.Id()); |
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199 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationAdd, aSchedule); |
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200 iSchedules.AddLast(aSchedule); |
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201 LOGSTRING("CTaskScheduler::AddScheduleL - schedule added"); |
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202 } |
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203 |
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204 void CTaskScheduler::EditScheduleL(TInt aScheduleHandle, CArrayFixFlat<TScheduleEntryInfo2>& aEntryList) |
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205 { |
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206 CSchedule* schedule = FindL(aScheduleHandle); |
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207 |
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208 // remove schedule from condition manager before replacing entries to ensure |
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209 // its deleted properly. |
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210 iScheduleCriteriaManager->RemoveSchedule(schedule->Id()); |
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211 schedule->ReplaceEntriesL(aEntryList); |
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212 |
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213 TRAPD(err, iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, *schedule)); |
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214 if(err) |
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215 { |
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216 schedule->RemoveEntries(); |
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217 User::Leave(err); |
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218 } |
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219 // recalculate due time only if schedule is enabled and has tasks to run |
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220 if (IsScheduleReadyForUpdate(*schedule)) |
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221 { |
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222 iScheduleCriteriaManager->ReplaceScheduleL(*schedule); |
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223 } |
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224 } |
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225 |
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226 void CTaskScheduler::DoEditScheduleL(CSchedule& aSchedule, |
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227 CArrayFixFlat<TTaskSchedulerCondition>& aConditionList, |
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228 const TTsTime& aDefaultTime) |
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229 { |
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230 aSchedule.ReplaceConditionsL(aConditionList); |
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231 |
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232 //Default Time is represented by a single entry class |
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233 CArrayFixFlat<TScheduleEntryInfo2>* entries |
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234 = new(ELeave) CArrayFixFlat<TScheduleEntryInfo2>(1); |
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235 CleanupStack::PushL(entries); |
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236 TScheduleEntryInfo2 info; |
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237 info.SetStartTime(aDefaultTime); |
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238 info.SetInterval(1); |
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239 info.SetIntervalType(EDaily); |
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240 //validityperiod of 24 hours will ensure task is always run |
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241 info.SetValidityPeriod(60*24); |
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242 entries->AppendL(info); |
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243 aSchedule.ReplaceEntriesL(*entries); |
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244 CleanupStack::Pop(entries); |
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245 |
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246 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, aSchedule); |
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247 } |
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248 |
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249 void CTaskScheduler::EditScheduleL(TInt aScheduleHandle, |
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250 CArrayFixFlat<TTaskSchedulerCondition>& aConditionList, |
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251 const TTsTime& aDefaultTime) |
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252 { |
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253 CSchedule* schedule = FindL(aScheduleHandle); |
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254 |
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255 // remove schedule from condition manager before replacing entries to ensure |
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256 // its deleted properly. |
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257 iScheduleCriteriaManager->RemoveSchedule(schedule->Id()); |
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258 |
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259 TRAPD(err, DoEditScheduleL(*schedule, aConditionList, aDefaultTime)); |
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260 if(err) |
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261 { |
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262 schedule->RemoveEntries(); |
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263 schedule->RemoveConditions(); |
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264 User::Leave(err); |
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265 } |
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266 |
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267 // recalculate due time only if schedule is enabled and has tasks to run |
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268 if (IsScheduleReadyForUpdate(*schedule)) |
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269 { |
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270 iScheduleCriteriaManager->ReplaceScheduleL(*schedule); |
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271 } |
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272 } |
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273 |
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274 void CTaskScheduler::RemoveScheduleL(TInt aHandle) |
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275 { |
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276 CSchedule* schedule = FindL(aHandle); |
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277 LOGSTRING3("CTaskScheduler::RemoveScheduleL - schedule: %S, %d", &schedule->Name(), schedule->Id()); |
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278 if (!schedule->HasTasks()) |
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279 { |
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280 LOGSTRING("CTaskScheduler::RemoveScheduleL - schedule doesn't have any tasks, removing"); |
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281 //remove schedule from timer |
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282 iScheduleCriteriaManager->RemoveSchedule(schedule->Id()); |
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283 DoRemoveL(schedule); |
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284 } |
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285 else |
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286 { |
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287 // Can't delete a schedule which has tasks |
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288 LOGSTRING("CTaskScheduler::RemoveScheduleL - schedule has tasks, can't delete"); |
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289 User::Leave(KErrArgument); |
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290 } |
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291 } |
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292 |
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293 void CTaskScheduler::DisableScheduleL(TInt aHandle) |
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294 { |
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295 CSchedule* schedule = FindL(aHandle); |
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296 schedule->SetEnabled(EFalse); |
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297 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, *schedule); |
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298 //remove schedule from timer as its disabled |
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299 iScheduleCriteriaManager->RemoveSchedule(schedule->Id()); |
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300 } |
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301 |
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302 void CTaskScheduler::EnableScheduleL(TInt aHandle) |
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303 { |
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304 CSchedule* schedule = FindL(aHandle); |
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305 schedule->SetEnabled(ETrue); |
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306 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, *schedule); |
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307 |
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308 // recalculate due time only if schedule has tasks to run |
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309 if ( IsScheduleReadyForUpdate(*schedule)) |
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310 { |
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311 iScheduleCriteriaManager->ReplaceScheduleL(*schedule); |
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312 } |
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313 } |
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314 |
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315 void CTaskScheduler::ScheduleTaskL(CSchedule& aSchedule, CClientProxy& aClient) |
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316 { |
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317 // Backup the task |
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318 if (aSchedule.Persists()) |
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319 { |
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320 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, aClient); |
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321 } |
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322 // if schedule is enabled then add schedule to timer. |
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323 if (aSchedule.Enabled() && IsStartupStateNonCritical()) |
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324 { |
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325 iScheduleCriteriaManager->ReplaceScheduleL(aSchedule); |
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326 } |
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327 } |
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328 |
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329 void CTaskScheduler::DeleteTaskL(TInt aScheduleHandle, TInt aTaskHandle) |
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330 { |
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331 CSchedule* schedule = FindL(aScheduleHandle); |
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332 |
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333 TScheduledTask* task = schedule->Task(aTaskHandle); |
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334 if (!task) |
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335 { |
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336 LOGSTRING("CTaskScheduler::DeleteTaskL - task wasn't found"); |
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337 User::Leave(KErrNotFound); |
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338 } |
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339 |
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340 const CClientProxy& clientForTask = task->Client(); |
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341 |
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342 // This deletes the task and removes the CScheduledTask |
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343 // from the CClientProxy's queue of tasks |
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344 task->RemoveInfo(); |
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345 |
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346 // This deletes the TScheduledTask defined above and removes it |
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347 // from CSchedule's queue of TScheduledTask's. |
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348 schedule->RemoveTask(task); |
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349 if (!schedule->HasTasks()) //i.e. it was the last task |
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350 { |
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351 LOGSTRING("CTaskScheduler::DeleteTaskL - schedule doesn't have any more tasks left"); |
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352 //remove scheule from timer as there are no more tasks |
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353 iScheduleCriteriaManager->RemoveSchedule(schedule->Id()); |
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354 // If the schedule isn't persistent then we delete it (transient schedules only |
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355 // have one task). |
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356 if (!schedule->Persists()) |
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357 DoRemoveL(schedule); |
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358 else |
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359 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, clientForTask); |
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360 } |
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361 else |
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362 { |
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363 // Backup the changes to the tasks. Although we are deleting a task, we are not actually |
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364 // deleting the client, so this is actually an edit operation. |
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365 if (schedule->Persists()) |
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366 iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, clientForTask); |
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367 } |
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368 } |
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369 |
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370 // |
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371 // Utility Functions |
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372 // |
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373 |
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374 TInt CTaskScheduler::GenerateId() |
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375 { |
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376 TInt id = KMinScheduleId; |
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377 CSchedule* schedule = Find(id); |
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378 while (schedule!=NULL) |
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379 { |
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380 id+=KScheduleIdDifferential;//=10 000 |
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381 if ((id/KScheduleIdDifferential) > KMaxSchedules) |
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382 return KErrOverflow; |
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383 schedule = Find(id); |
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384 } |
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385 return id; |
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386 } |
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387 |
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388 void CTaskScheduler::DoRemoveL(CSchedule* aSchedule) |
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389 { |
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390 TRAPD(err, iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationDelete, *aSchedule)); |
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391 if (err < KErrNone && err != KErrNotFound) |
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392 User::Leave(err); |
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393 iSchedules.Remove(*aSchedule); |
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394 delete aSchedule; |
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395 aSchedule = NULL; |
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396 } |
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397 |
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398 CSchedule* CTaskScheduler::FindL(TInt aHandle) |
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399 { |
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400 CSchedule* schedule = Find(aHandle); |
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401 if (!schedule) |
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402 User::Leave(KErrNotFound); |
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403 return schedule; |
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404 } |
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405 |
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406 CSchedule* CTaskScheduler::Find(TInt aHandle) |
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407 { |
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408 TSglQueIter<CSchedule> scheduleIter(iSchedules); |
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409 scheduleIter.SetToFirst(); |
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410 CSchedule* schedule; |
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411 while ((schedule = scheduleIter++)!=NULL) |
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412 { |
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413 if (schedule->Id() == aHandle) |
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414 return schedule; |
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415 } |
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416 return NULL; |
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417 } |
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418 |
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419 // If aRefArray is NULL then only count it returned. |
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420 TInt CTaskScheduler::GetScheduleRefsL(CArrayFixFlat<TSchedulerItemRef>* aRefArray, |
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421 TScheduleFilter aFilter, |
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422 const RMessagePtr2& aMessage) |
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423 { |
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424 TInt count = 0; |
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425 TSglQueIter<CSchedule> iter(iSchedules); |
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426 iter.SetToFirst(); |
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427 CSchedule* schedule = NULL; |
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428 while ((schedule = iter++) != NULL) |
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429 { |
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430 if(aFilter == EAllSchedules || (schedule->Enabled() && schedule->HasTasks())) |
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431 { |
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432 //only add information for schedules that the client has permission to alter |
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433 if(schedule->IsAccessAllowed(aMessage)) |
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434 { |
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435 if(aRefArray) |
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436 { |
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437 TSchedulerItemRef ref; |
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438 ref.iHandle = schedule->Id(); |
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439 ref.iName = schedule->Name(); |
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440 aRefArray->AppendL(ref); |
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441 } |
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442 count++; |
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443 } |
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444 } |
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445 } |
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446 return count; |
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447 } |
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448 |
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449 // If aRefArray is NULL then only count it returned. |
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450 TInt CTaskScheduler::GetTaskRefsL(CArrayFixFlat<TSchedulerItemRef>* aRefArray, |
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451 TScheduleFilter aScheduleFilter, |
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452 TTaskFilter aTaskFilter, |
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453 CClientProxy* aClient, |
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454 const RMessagePtr2& aMessage) |
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455 { |
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456 TInt count = 0; |
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457 TSglQueIter<CSchedule> iter(iSchedules); |
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458 iter.SetToFirst(); |
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459 CSchedule* schedule = NULL; |
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460 while ((schedule = iter++) != NULL) |
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461 { |
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462 if(aScheduleFilter == EAllSchedules || (schedule->Enabled() && schedule->HasTasks())) |
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463 { |
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464 //only add information for schedules that the client has permission to alter |
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465 if(schedule->IsAccessAllowed(aMessage)) |
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466 { |
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467 TSglQueIter<TScheduledTask> taskIter(*(schedule->Tasks())); |
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468 taskIter.SetToFirst(); |
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469 TScheduledTask* task; |
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470 while ((task=taskIter++)!=NULL) |
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471 { |
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472 if (aTaskFilter==EAllTasks||&task->Client() == aClient) // This pointer comparison is a bit rubbish. Change? |
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473 { |
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474 if(aRefArray) |
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475 { |
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476 TTaskInfo info = task->Info(); |
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477 TSchedulerItemRef ref; |
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478 ref.iHandle = info.iTaskId; |
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479 ref.iName = info.iName; |
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480 aRefArray->AppendL(ref); |
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481 } |
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482 count++; |
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483 } |
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484 } |
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485 } |
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486 } |
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487 } |
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488 return count; |
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489 } |
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490 |
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491 |
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492 // |
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493 // Schedule Execution functions |
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494 // |
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495 |
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496 // A schedule is ready to be run |
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497 void CTaskScheduler::DueTaskNotifyL(TInt aScheduleHandle) |
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498 { |
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499 CSchedule* schedule = FindL(aScheduleHandle); |
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500 //NotifyTasks() also removes tasks from the schedule if there are no |
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501 //repeats left. |
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502 schedule->NotifyTasks(); |
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503 |
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504 if (!schedule->HasTasks()) |
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505 { |
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506 // remove schedule. |
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507 TRAPD(ignore, DoRemoveL(schedule)); |
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508 //??error only occurs in relation to persistence!! Do something. |
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509 UNUSED_VAR(ignore); |
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510 } |
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511 else |
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512 { |
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513 __ASSERT_ALWAYS(IsStartupStateNonCritical(), User::Invariant()); |
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514 iScheduleCriteriaManager->ReplaceScheduleL(*schedule,EConditionAndTime,ETrue); |
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515 } |
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516 |
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517 // Execute all clients. This method doesn't leave as all errors are either |
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518 // logged in the log engine or handled elsewhere. |
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519 ExecuteClients(); |
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520 } |
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521 |
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522 // Go through all clients, executing their tasks |
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523 void CTaskScheduler::ExecuteClients(TBool aUpdateClient) |
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524 { |
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525 if ((BUROperationInProgress() == EBUROperationNoActivity) || !aUpdateClient) |
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526 { |
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527 TDblQueIter<CClientProxy> clientIter(iClients); |
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528 clientIter.SetToFirst(); |
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529 CClientProxy* client; |
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530 while( (client = clientIter++) != NULL) |
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531 { |
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532 // Does this client have anything ready to run? |
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533 if (client->IsReadyToExecute()) |
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534 { |
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535 client->ExecuteTasks(); |
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536 // Clears the 'IsReadyToExecute' flag... |
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537 client->RemoveDueTasks(); |
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538 } |
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539 } |
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540 if (aUpdateClient) |
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541 { |
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542 // Update the store file now |
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543 UpdateClients(); |
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544 } |
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545 } |
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546 else |
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547 { |
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548 // Sets the flag to trigger delayed store operation when BUR ends |
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549 iTaskExecutedDuringBUR = ETrue; |
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550 } |
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551 } |
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552 |
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553 // Go through all clients, update the store file with modified client info |
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554 void CTaskScheduler::UpdateClients() |
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555 { |
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556 // iterate the client list to perform delayed update of the store file |
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557 TDblQueIter<CClientProxy> clientIter(iClients); |
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558 clientIter.SetToFirst(); |
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559 CClientProxy* client; |
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560 while( (client = clientIter++) != NULL) |
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561 { |
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562 if (!client->Users()) |
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563 { |
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564 // Remove from store |
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565 TRAPD(ignore, iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationDelete, *client)); |
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566 //?? if ignore is not KErrNone then there is a problem with the store |
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567 UNUSED_VAR(ignore); |
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568 // Remove client & delete it |
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569 client->Remove(); |
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570 delete client; |
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571 } |
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572 else |
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573 { |
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574 // Update this clients data in the store... |
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575 TRAPD(ignore, iBackupManager->PerformStoreOperationL(CSchBackupManager::ESchBackupOperationEdit, *client)); |
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576 |
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577 //?? if ignore is not KErrNone then there is a problem with the store |
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578 UNUSED_VAR(ignore); |
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579 } |
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580 } |
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581 } |
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582 |
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583 // |
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584 // Environment change functions |
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585 // |
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586 |
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587 TInt CTaskScheduler::EnvironmentChanged(TAny* aScheduler) |
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588 { |
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589 CTaskScheduler* self = reinterpret_cast<CTaskScheduler*>(aScheduler); |
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590 self->HandleEnvironmentChange(); |
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591 return KErrNone; |
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592 } |
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593 |
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594 void CTaskScheduler::HandleEnvironmentChange() |
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595 { |
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596 // If staged startup still in critical region, can safely |
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597 // ignore system time change. |
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598 if (!IsStartupStateNonCritical()) |
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599 { |
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600 return; |
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601 } |
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602 |
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603 TInt changes=iNotifier->Change(); |
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604 if (changes & EChangesSystemTime) |
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605 { |
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606 #ifdef __SCHLOGGING__ |
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607 { |
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608 TTime time; |
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609 time.HomeTime(); |
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610 TDateTime due(time.DateTime()); |
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611 LOGSTRING7("CTaskScheduler::HandleEnvironmentChangeL - system time is now: [%02d/%02d/%d] @ %02d:%02d:%02d", due.Day(), (TInt) due.Month() + 1, due.Year(), due.Hour(), due.Minute(), due.Second()); |
|
612 } |
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613 #endif |
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614 |
|
615 |
|
616 // Cannot use AddSchedulesToTimerL() because this method |
|
617 // uses the non-condition version of ReplaceScheduleL. |
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618 TSglQueIter<CSchedule> scheduleIter(iSchedules); |
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619 scheduleIter.SetToFirst(); |
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620 CSchedule* schedule = NULL; |
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621 while ((schedule=scheduleIter++)!=NULL) |
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622 { |
|
623 if(IsScheduleReadyForUpdate(*schedule)) |
|
624 { |
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625 TRAPD(err, iScheduleCriteriaManager->ReplaceScheduleL(*schedule, EOnlyTime)); |
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626 UNUSED_VAR(err); |
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627 } |
|
628 } |
|
629 } |
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630 } |
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631 |
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632 void CTaskScheduler::AddSchedulesToTimerL() |
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633 { |
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634 if (!IsStartupStateNonCritical()) |
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635 { |
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636 return; // not ready |
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637 } |
|
638 |
|
639 TInt ret = KErrNone; |
|
640 |
|
641 TSglQueIter<CSchedule> scheduleIter(iSchedules); |
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642 scheduleIter.SetToFirst(); |
|
643 CSchedule* schedule = NULL; |
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644 while ((schedule=scheduleIter++)!=NULL) |
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645 { |
|
646 if(IsScheduleReadyForUpdate(*schedule)) |
|
647 { |
|
648 TRAPD(err, iScheduleCriteriaManager->ReplaceScheduleL(*schedule)); |
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649 if (err != KErrNone) |
|
650 { |
|
651 ret = err; |
|
652 } |
|
653 } |
|
654 } |
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655 User::LeaveIfError(ret); |
|
656 } |
|
657 |
|
658 void CTaskScheduler::CleanupScheduledTasksL() |
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659 { |
|
660 RFs fs; |
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661 _LIT(KTempFilePath, "_:\\private\\10005399\\*.tmp"); |
|
662 TBuf<32> filePath(KTempFilePath); |
|
663 |
|
664 filePath[0] = RFs::GetSystemDriveChar(); |
|
665 |
|
666 fs.Connect(); |
|
667 CleanupClosePushL(fs); |
|
668 |
|
669 CFileMan* fileMan = CFileMan::NewL(fs); |
|
670 CleanupStack::PushL(fileMan); |
|
671 |
|
672 //Delete all temporary files in the private folder |
|
673 fileMan->Delete(filePath,0); |
|
674 |
|
675 //Pop and destroy fs and fileMan |
|
676 //This will call fs.Close() so no need to call it explicitly |
|
677 CleanupStack::PopAndDestroy(2); |
|
678 } |
|
679 |
|
680 /** |
|
681 CSchStartupStateMgr calls this to notify startup state changes of |
|
682 interest. |
|
683 |
|
684 @internalComponent |
|
685 */ |
|
686 void CTaskScheduler::ProcessSSAEventL(TStartupStateIdentifier aKnownState) |
|
687 { |
|
688 LOGSTRING2("ProcessSSAEventL receive SS 0x%x", aKnownState); |
|
689 |
|
690 if (! IsStartupStateNonCritical() && |
|
691 (aKnownState >= KSchFinalStartupState)) |
|
692 { |
|
693 iStartupStatePassNonCritical = ETrue; |
|
694 CleanupScheduledTasksL(); |
|
695 AddSchedulesToTimerL(); |
|
696 } |
|
697 } |
|
698 |
|
699 /** |
|
700 Returns ETrue if Start-up State is NonCritical |
|
701 */ |
|
702 TBool CTaskScheduler::IsStartupStateNonCritical() |
|
703 { |
|
704 return iStartupStatePassNonCritical; |
|
705 } |
|
706 |
|
707 /** |
|
708 Check schedule is valid |
|
709 */ |
|
710 TBool CTaskScheduler::IsScheduleReadyForUpdate(CSchedule& aSchedule) |
|
711 { |
|
712 if(aSchedule.IsUpdatable() && IsStartupStateNonCritical()) |
|
713 return ETrue; |
|
714 else |
|
715 return EFalse; |
|
716 } |
|
717 |
|
718 /** |
|
719 babackup server calls this to notify backup operations. The attributes are read and translated to determine |
|
720 which operation is actually in progress. |
|
721 @internalComponent |
|
722 */ |
|
723 void CTaskScheduler::HandleBackupOperationEventL(const TBackupOperationAttributes& aBackupOperationAttributes) |
|
724 { |
|
725 TBUROperation type; |
|
726 |
|
727 // determine the operation type (backup or restore) |
|
728 switch(aBackupOperationAttributes.iFileFlag) |
|
729 { |
|
730 case MBackupObserver::EReleaseLockReadOnly: |
|
731 type = EBUROperationBackup; |
|
732 break; |
|
733 case MBackupObserver::EReleaseLockNoAccess: |
|
734 type = EBUROperationRestore; |
|
735 break; |
|
736 case MBackupObserver::ETakeLock: |
|
737 // No information is passed from babackup server, so we need to depend on our own memory |
|
738 type = iBUROperationInProgress; |
|
739 break; |
|
740 default: |
|
741 type = EBUROperationNoActivity; |
|
742 break; |
|
743 } |
|
744 |
|
745 // determine the operation status (e.g. starting, ending) |
|
746 switch(aBackupOperationAttributes.iOperation) |
|
747 { |
|
748 case EStart: |
|
749 BURBeginningL(type); |
|
750 break; |
|
751 case EEnd: |
|
752 BURCompleteL(type, EBUROperationSuccess); |
|
753 break; |
|
754 case EAbort: |
|
755 BURCompleteL(type, EBUROperationAbort); |
|
756 break; |
|
757 default: |
|
758 break; |
|
759 } |
|
760 } |
|
761 |
|
762 |
|
763 /** |
|
764 This function is called to notify when a Backup or Restore operation is commencing. |
|
765 |
|
766 @internalComponent |
|
767 */ |
|
768 void CTaskScheduler::BURBeginningL(TBUROperation aOperationType) |
|
769 { |
|
770 // This will stop the API calls that directly modify the store file |
|
771 iBUROperationInProgress = aOperationType; |
|
772 |
|
773 //cancel background compaction of store during backup/restore |
|
774 iBackupManager->Cancel(); |
|
775 } |
|
776 |
|
777 |
|
778 /** |
|
779 This function is called to notify when a Backup or Restore operation is finished. |
|
780 |
|
781 @internalComponent |
|
782 */ |
|
783 void CTaskScheduler::BURCompleteL(TBUROperation aOperationType, TBUROperationResult aBURResult) |
|
784 { |
|
785 // If there is a successful restore, this means that we have a different store file then we were using |
|
786 // so we have to internalize and use that file. In any other case, we can proceed with the delayed |
|
787 // updates to the old file |
|
788 if ((aOperationType == EBUROperationRestore)&&(aBURResult == EBUROperationSuccess)) |
|
789 { |
|
790 LOGSTRING("CTaskScheduler::BURCompleteL - Restoring clients and schedules after successful restore"); |
|
791 |
|
792 //First check whether any task expires during the restore process now that this is completed |
|
793 if (iTaskExecutedDuringBUR) |
|
794 { |
|
795 // performed the delayed task execution but with no externalizing as we dont want to modify |
|
796 // the just restored file as after the delayed execution, all persistent schedule will be removed |
|
797 ExecuteClients(EFalse); |
|
798 iTaskExecutedDuringBUR=EFalse; |
|
799 } |
|
800 |
|
801 // Now remove existing persistent schedules, tasks and clients |
|
802 TSglQueIter<CSchedule> scheduleIter(iSchedules); |
|
803 scheduleIter.SetToFirst(); |
|
804 CSchedule* schedule; |
|
805 while ((schedule = scheduleIter++)!=NULL) |
|
806 { |
|
807 if (schedule->Persists()) |
|
808 { |
|
809 iSchedules.Remove(*schedule); |
|
810 schedule->RemoveTasks(ETrue); |
|
811 delete schedule; |
|
812 } |
|
813 } |
|
814 |
|
815 CClientProxy* client; |
|
816 TDblQueIter<CClientProxy> clientIter(iClients); |
|
817 |
|
818 // remove clients which don't have any associated tasks left (tasks in persistent schedules are |
|
819 // already removed, but the client might have transient schedules as well) |
|
820 clientIter.SetToFirst(); |
|
821 while ((client = clientIter++) != NULL) |
|
822 { |
|
823 TDblQueIter<CScheduledTask> taskIter = client->TaskIterator(); |
|
824 taskIter.SetToFirst(); |
|
825 |
|
826 // remove client if no more tasks |
|
827 if (taskIter++ == NULL) |
|
828 { |
|
829 client->Remove(); |
|
830 delete client; // removes associated tasks |
|
831 } |
|
832 else |
|
833 { |
|
834 //remove any persisted task and if the client only has persisted task, remove client as well |
|
835 taskIter.SetToFirst(); |
|
836 CScheduledTask* task; |
|
837 TInt taskCount=0; |
|
838 TInt persistCount=0; |
|
839 while ((task = taskIter++) != NULL) |
|
840 { |
|
841 taskCount++; |
|
842 if (task->Persists()) |
|
843 { |
|
844 persistCount++; |
|
845 client->RemoveTask(task); |
|
846 } |
|
847 } |
|
848 //if after removing the persist tasks, there are no more other tasks, we can remove the client too |
|
849 if (taskCount==persistCount) |
|
850 { |
|
851 client->Remove(); |
|
852 delete client; |
|
853 } |
|
854 } |
|
855 } |
|
856 |
|
857 // now re-read the clients and schedules from the restored store file |
|
858 TRAPD(err, iBackupManager->RestoreL(iClients, iSchedules,*iSchLogManager,ETrue)); |
|
859 |
|
860 if (err != KErrNone) // the file's corrupt or something... |
|
861 { |
|
862 LOGSTRING2("CTaskScheduler::BURCompleteL - had to create new store because of error: %d", err); |
|
863 iBackupManager->CreateEmptyBackupL(); |
|
864 } |
|
865 |
|
866 |
|
867 // Each client now contains a list of associated tasks. We need |
|
868 // to now associate those tasks with specific schedules |
|
869 clientIter.SetToFirst(); |
|
870 while ((client = clientIter++) != NULL) |
|
871 { |
|
872 // Fetch an iterator for each task owned by this client |
|
873 CScheduledTask* task; |
|
874 TDblQueIter<CScheduledTask> taskIterator = client->TaskIterator(); |
|
875 taskIterator.SetToFirst(); |
|
876 |
|
877 // Iterate through all the tasks owned by this client, trying to find |
|
878 // the corresponding schedules. |
|
879 while ((task = taskIterator++) != NULL) |
|
880 { |
|
881 TSglQueIter<CSchedule> persScheduleIter(iSchedules); |
|
882 persScheduleIter.SetToFirst(); |
|
883 CSchedule* persSchedule; |
|
884 while ((persSchedule = persScheduleIter++)!=NULL) |
|
885 { |
|
886 if ((persSchedule->Persists())&&(persSchedule->Id() == task->ScheduleId())) |
|
887 { |
|
888 TScheduledTask* taskRef = new(ELeave) TScheduledTask(*task,*client); |
|
889 persSchedule->AddTask(*taskRef); |
|
890 } |
|
891 } |
|
892 } |
|
893 } |
|
894 |
|
895 // Activate the scheduler with the new schedules |
|
896 AddSchedulesToTimerL(); |
|
897 } |
|
898 else |
|
899 { |
|
900 if (iTaskExecutedDuringBUR) |
|
901 { |
|
902 iBUROperationInProgress = EBUROperationNoActivity; |
|
903 iTaskExecutedDuringBUR = EFalse; |
|
904 // performed the delayed task execution |
|
905 ExecuteClients(); |
|
906 } |
|
907 } |
|
908 |
|
909 // BUR operation is completed |
|
910 iBUROperationInProgress = EBUROperationNoActivity; |
|
911 iTaskExecutedDuringBUR = EFalse; |
|
912 } |