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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: CCCHCommDbWatcher implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <cmdestination.h> |
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21 #include <cmconnectionmethoddef.h> |
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22 #include <cmpluginwlandef.h> |
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23 #include <centralrepository.h> |
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24 #include <CommsDat.h> |
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25 |
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26 #include "cchcommdbwatcher.h" |
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27 #include "cchcommdbwatcherobserver.h" |
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28 #include "cchlogger.h" |
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29 #include "d32dbms.h" |
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30 |
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31 // EXTERNAL DATA STRUCTURES |
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32 // None |
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33 |
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34 // EXTERNAL FUNCTION PROTOTYPES |
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35 // None |
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36 |
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37 // CONSTANTS |
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38 // None |
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39 |
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40 // MACROS |
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41 // None |
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42 |
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43 // LOCAL CONSTANTS AND MACROS |
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44 const TInt KDefaultGranularity = 5; |
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45 const TInt KMaxCheckAttempts = 3; |
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46 // Repository for CommsDat |
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47 const TUid KCDCommsRepositoryId = { 0xCCCCCC00 }; |
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48 |
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49 // MODULE DATA STRUCTURES |
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50 // None |
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51 |
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52 // LOCAL FUNCTION PROTOTYPES |
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53 // None |
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54 |
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55 // FORWARD DECLARATIONS |
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56 // None |
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57 |
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58 // ============================= LOCAL FUNCTIONS ============================= |
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59 |
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60 // ============================ MEMBER FUNCTIONS ============================= |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // CCCHCommDbWatcher::CCCHCommDbWatcher |
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64 // C++ default constructor can NOT contain any code, that might leave. |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CCCHCommDbWatcher::CCCHCommDbWatcher( MCCHCommDbWatcherObserver& aObserver ) : |
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68 CActive( CActive::EPriorityStandard ), |
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69 iObserver( aObserver ), |
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70 iTableId( KCDTIdIAPRecord ) |
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71 { |
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72 CActiveScheduler::Add( this ); |
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73 } |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // CCCHCommsDbWatcher::ConstructL |
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77 // Symbian 2nd phase constructor can leave. |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 void CCCHCommDbWatcher::ConstructL() |
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81 { |
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82 CCHLOGSTRING( "CCCHCommDbWatcher::ConstructL IN" ); |
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83 |
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84 iRepository = CRepository::NewL( KCDCommsRepositoryId ); |
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85 iDestinations = RArray<TDestinationData>( KDefaultGranularity ); |
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86 |
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87 InitializeDestination(); |
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88 TInt err( RequestNotifications() ); |
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89 User::LeaveIfError( err ); |
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90 CCHLOGSTRING( "CCCHCommDbWatcher::ConstructL OUT" ); |
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91 } |
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92 |
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93 // --------------------------------------------------------------------------- |
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94 // CCCHCommsDbWatcher::NewL |
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95 // Two-phased constructor. |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 CCCHCommDbWatcher* CCCHCommDbWatcher::NewL( |
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99 MCCHCommDbWatcherObserver& aObserver ) |
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100 { |
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101 CCCHCommDbWatcher* self = CCCHCommDbWatcher::NewLC( aObserver ); |
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102 CleanupStack::Pop( self ); |
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103 return self; |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // CCCHCommsDbWatcher::NewLC |
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108 // Two-phased constructor. |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 CCCHCommDbWatcher* CCCHCommDbWatcher::NewLC( |
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112 MCCHCommDbWatcherObserver& aObserver ) |
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113 { |
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114 CCCHCommDbWatcher* self = new (ELeave) CCCHCommDbWatcher( aObserver ); |
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115 CleanupStack::PushL( self ); |
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116 self->ConstructL(); |
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117 return self; |
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118 } |
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119 |
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120 // Destructor |
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121 CCCHCommDbWatcher::~CCCHCommDbWatcher() |
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122 { |
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123 CCHLOGSTRING( "CCCHCommDbWatcher::~CCCHCommDbWatcher" ); |
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124 iDestinations.Close(); |
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125 // Cancel outstanding request, if exists |
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126 Cancel(); |
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127 delete iRepository; |
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128 if ( iCmmOpen ) |
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129 { |
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130 iCmm.Close(); |
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131 } |
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132 } |
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133 |
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134 // --------------------------------------------------------------------------- |
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135 // CCCHCommsDbWatcher::RequestNotifications() |
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136 // |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 TInt CCCHCommDbWatcher::RequestNotifications() |
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140 { |
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141 CCHLOGSTRING( "CCCHCommDbWatcher::RequestNotifications()" ); |
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142 CCHLOGSTRING2( "Calling iRepository->NotifyRequest() for table 0x%08X", iTableId ); |
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143 TInt err = iRepository->NotifyRequest( iTableId, KCDMaskShowRecordType, iStatus ); |
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144 |
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145 if ( KErrNone == err ) |
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146 { |
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147 SetActive(); |
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148 } |
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149 else |
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150 { |
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151 CCHLOGSTRING2( "ERROR, iRepository->NotifyRequest() <%d>", err ); |
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152 } |
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153 return err; |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // CCCHCommsDbWatcher::CmManagerL |
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158 // |
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159 // --------------------------------------------------------------------------- |
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160 // |
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161 RCmManager& CCCHCommDbWatcher::CmManagerL() |
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162 { |
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163 // Remove this method and open cmmanager connection in ConstructL |
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164 // after cmmanager is refactored -> to become a server, schedule is unknown |
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165 if ( !iCmmOpen ) |
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166 { |
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167 CCHLOGSTRING( "CCCHCommDbWatcher::CmManagerL open connection" ); |
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168 iCmm.OpenL(); |
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169 iCmmOpen = ETrue; |
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170 } |
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171 |
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172 return iCmm; |
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173 } |
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174 |
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175 // --------------------------------------------------------------------------- |
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176 // CCCHCommsDbWatcher::GetWLANIapCountFromSnap |
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177 // |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 TInt CCCHCommDbWatcher::GetIapCountFromSnap( |
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181 TInt aSNAPId, |
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182 TBool aWLANIapsOnly, |
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183 TBool aUpdateDestinations ) |
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184 { |
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185 CCHLOGSTRING( "CCCHCommDbWatcher::GetIapCountFromSnap - Forced CheckIapsL" ); |
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186 |
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187 // Remove this error check after cmmanager is refactored -> to become |
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188 // a server, schedule is unknown |
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189 // Force destination update if we are pending unlock event |
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190 if ( iLastError || iUseForce || aUpdateDestinations ) |
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191 { |
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192 CCHLOGSTRING( "CCCHCommDbWatcher::GetIapCountFromSnap - Forced DESTINATION UPDATE" ); |
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193 InitializeDestination(); |
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194 iUseForce = EFalse; |
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195 } |
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196 |
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197 TInt iaps( KErrNotFound ); |
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198 for ( TInt i = 0; iaps == KErrNotFound && i < iDestinations.Count(); i++ ) |
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199 { |
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200 if ( iDestinations[ i ].iDestId == aSNAPId ) |
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201 { |
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202 iaps = 0; //if destination is not found, KErrNotFound is returned |
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203 if ( aWLANIapsOnly ) |
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204 { |
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205 iaps = iDestinations[ i ].iWlanIaps; |
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206 } |
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207 else |
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208 { |
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209 iaps = iDestinations[ i ].iIapCount; |
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210 } |
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211 } |
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212 } |
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213 |
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214 return iaps; |
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215 } |
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216 |
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217 // --------------------------------------------------------------------------- |
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218 // CCCHCommsDbWatcher::IsWLANAPL |
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219 // |
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220 // --------------------------------------------------------------------------- |
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221 // |
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222 TBool CCCHCommDbWatcher::IsWlanApL( |
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223 TInt aIapId ) |
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224 { |
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225 CCHLOGSTRING( "CCCHCommDbWatcher::IsWLANAPL: IN" ); |
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226 TBool ret( EFalse ); |
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227 TUint32 bearer( KErrNone ); |
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228 |
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229 // Bearer Type |
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230 bearer = CmManagerL().ConnectionMethodL( aIapId ).GetIntAttributeL( |
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231 CMManager::ECmBearerType ); |
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232 ret = KUidWlanBearerType == bearer; |
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233 |
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234 CCHLOGSTRING3( "CCCHCommDbWatcher::IsWLANAPL: iap id: %d is wlan ap: %d", |
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235 aIapId, ret ); |
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236 return ret; |
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237 } |
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238 |
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239 // --------------------------------------------------------------------------- |
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240 // CCCHCommsDbWatcher::RunL |
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241 // |
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242 // --------------------------------------------------------------------------- |
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243 // |
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244 void CCCHCommDbWatcher::RunL() |
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245 { |
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246 if ( iStatus.Int() < KErrNone ) |
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247 { |
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248 CCHLOGSTRING2( "CCCHCommDbWatcher::RunL: error <%d>", iStatus.Int() ); |
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249 iErrorCounter++; |
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250 if ( iErrorCounter > KCchConnCenRepErrorThreshold ) |
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251 { |
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252 CCHLOGSTRING2( "Over %d consecutive errors, stopping notifications permanently", |
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253 KCchConnCenRepErrorThreshold ); |
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254 return; |
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255 } |
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256 } |
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257 else |
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258 { |
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259 iErrorCounter = 0; |
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260 UpdateIapTable(); |
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261 } |
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262 |
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263 CCHLOGSTRING2( "CCCHCommDbWatcher::RunL: CenRep event 0x%08X", iStatus.Int() ); |
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264 |
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265 TInt err( RequestNotifications() ); |
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266 User::LeaveIfError( err ); |
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267 } |
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268 |
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269 // --------------------------------------------------------------------------- |
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270 // CCCHCommsDbWatcher::DoCancel |
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271 // |
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272 // --------------------------------------------------------------------------- |
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273 // |
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274 void CCCHCommDbWatcher::DoCancel() |
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275 { |
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276 iRepository->NotifyCancel( iTableId, KCDMaskShowRecordType ); |
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277 } |
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278 |
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279 // --------------------------------------------------------------------------- |
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280 // CCCHCommsDbWatcher::RunError |
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281 // |
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282 // --------------------------------------------------------------------------- |
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283 // |
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284 |
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285 TInt CCCHCommDbWatcher::RunError( TInt /*aError*/ ) |
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286 { |
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287 TInt err( RequestNotifications() ); |
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288 return KErrNone; |
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289 } |
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290 |
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291 // --------------------------------------------------------------------------- |
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292 // CCCHCommsDbWatcher::CheckIapsL |
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293 // |
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294 // --------------------------------------------------------------------------- |
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295 // |
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296 void CCCHCommDbWatcher::CheckIapsL( TBool& aChanged, TInt& aSNAPId ) |
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297 { |
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298 CCHLOGSTRING2( "CCCHCommDbWatcher::CheckIapsL: IN Current iap count %d", |
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299 CountIapsFromArray( iDestinations ) ); |
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300 |
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301 |
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302 RArray<TUint32> destIdArray = RArray<TUint32>( KDefaultGranularity ); |
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303 CleanupClosePushL( destIdArray ); // CS:1 |
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304 RArray<TDestinationData> currentDestinations = RArray<TDestinationData>( |
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305 KDefaultGranularity ); |
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306 CleanupClosePushL( currentDestinations ); // CS:2 |
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307 |
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308 //Get count of iaps that do not belong to any destination |
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309 RArray<TUint32> cmMethods = RArray<TUint32>( KDefaultGranularity ); |
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310 CleanupClosePushL( cmMethods ); // CS:3 |
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311 CmManagerL().ConnectionMethodL( cmMethods ); |
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312 |
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313 TDestinationData destinationlessIaps( KErrNotFound, cmMethods.Count() ); |
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314 CCHLOGSTRING2( "CCCHCommDbWatcher::CheckIapsL: cmMethods count %d", |
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315 cmMethods.Count() ); |
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316 for ( TInt i = 0; i < cmMethods.Count(); i++ ) |
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317 { |
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318 RCmConnectionMethod cm = CmManagerL().ConnectionMethodL( cmMethods[ i ] ); |
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319 CleanupClosePushL( cm ); // CS:4 |
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320 |
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321 if( KUidWlanBearerType == |
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322 cm.GetIntAttributeL( CMManager::ECmBearerType ) ) |
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323 { |
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324 destinationlessIaps.iWlanIaps++; |
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325 } |
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326 CleanupStack::PopAndDestroy( &cm ); // CS:3 |
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327 } |
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328 |
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329 CleanupStack::PopAndDestroy( &cmMethods ); // CS:2 |
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330 currentDestinations.Append( destinationlessIaps ); |
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331 |
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332 //Get count of iaps per destination |
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333 CCHLOGSTRING2( "CCCHCommDbWatcher::CheckIapsL: cmMethods count %d", |
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334 destIdArray.Count() ) |
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335 CmManagerL().AllDestinationsL( destIdArray ); |
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336 for ( TInt i = 0; i < destIdArray.Count(); i++ ) |
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337 { |
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338 RCmDestination destination = CmManagerL().DestinationL( destIdArray[ i ] ); |
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339 CleanupClosePushL( destination ); // CS:3 |
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340 TDestinationData destinationInfo( |
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341 destination.Id(), destination.ConnectionMethodCount() ); |
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342 |
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343 for ( TInt k = 0; k < destinationInfo.iIapCount; k++ ) |
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344 { |
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345 RCmConnectionMethod cm = destination.ConnectionMethodL( k ); |
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346 CleanupClosePushL( cm ); // CS:4 |
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347 |
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348 if( KUidWlanBearerType == |
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349 cm.GetIntAttributeL( CMManager::ECmBearerType ) ) |
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350 { |
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351 destinationInfo.iWlanIaps++; |
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352 } |
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353 CleanupStack::PopAndDestroy( &cm ); // CS:3 |
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354 } |
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355 |
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356 currentDestinations.Append( destinationInfo ); |
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357 CleanupStack::PopAndDestroy( &destination ); // CS:2 |
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358 } |
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359 |
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360 destIdArray.Close(); |
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361 |
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362 UpdateDestinationStore( currentDestinations, aChanged, aSNAPId ); |
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363 |
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364 CleanupStack::PopAndDestroy( ¤tDestinations ); // CS:1 |
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365 CleanupStack::PopAndDestroy( &destIdArray ); // CS:0 |
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366 |
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367 CCHLOGSTRING2( "CCCHCommDbWatcher::CheckIapsL: OUT changed: %d", aChanged ); |
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368 } |
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369 |
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370 // --------------------------------------------------------------------------- |
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371 // CCCHCommsDbWatcher::CountIapsFromArray |
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372 // |
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373 // --------------------------------------------------------------------------- |
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374 // |
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375 TInt CCCHCommDbWatcher::CountIapsFromArray( |
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376 RArray<TDestinationData>& aArray ) const |
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377 { |
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378 TInt iaps = 0; |
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379 for ( TInt i=0; i<aArray.Count(); i++ ) |
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380 { |
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381 iaps+= aArray[i].iIapCount; |
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382 } |
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383 return iaps; |
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384 } |
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385 |
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386 // --------------------------------------------------------------------------- |
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387 // CCCHCommsDbWatcher::UpdateDestinationStore |
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388 // |
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389 // --------------------------------------------------------------------------- |
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390 // |
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391 void CCCHCommDbWatcher::UpdateDestinationStore( |
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392 RArray<TDestinationData>& aDestinations, |
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393 TBool& aChanged, |
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394 TInt& aSNAPId ) |
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395 { |
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396 //Now compare fetched data with store |
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397 TInt iapsBefore = CountIapsFromArray ( iDestinations ); |
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398 TInt iapsAfter = CountIapsFromArray ( aDestinations ); |
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399 |
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400 aSNAPId = KErrNotFound; |
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401 aChanged = EFalse; |
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402 |
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403 //no further checking is needed if iap count decreased |
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404 if ( iapsAfter >= iapsBefore ) |
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405 { |
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406 //compare store with current setup for changes |
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407 //only change in WLAN iap count is reported |
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408 for ( TInt i = 0; !aChanged && i < aDestinations.Count(); i++ ) |
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409 { |
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410 TBool alreadyexists = EFalse; |
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411 for ( TInt j = 0; !aChanged && j < iDestinations.Count(); j++ ) |
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412 { |
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413 if ( aDestinations[i].iDestId == iDestinations[j].iDestId ) |
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414 { |
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415 alreadyexists = ETrue; |
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416 // Do not update snap id if destination is -1, this means |
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417 // that cmmanager hasn't moved iap to the right destination yet |
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418 if ( aDestinations[i].iWlanIaps > |
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419 iDestinations[j].iWlanIaps ) |
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420 { |
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421 if ( KErrNotFound == aDestinations[ i ].iDestId ) |
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422 { |
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423 // If destination -1 is the only updated destination |
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424 // we have to use force next time when asking GetIapCountFromSnap |
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425 iUseForce = ETrue; |
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426 CCHLOGSTRING( "CCCHCommDbWatcher - USE THE FORCE NEXT TIME" ); |
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427 } |
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428 else |
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429 { |
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430 //wlan iap count increased in comp[i] |
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431 aSNAPId = aDestinations[i].iDestId; |
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432 aChanged = ETrue; |
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433 iUseForce = EFalse; |
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434 CCHLOGSTRING2( "CCCHCommDbWatcher - snap id: %d", aSNAPId ); |
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435 } |
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436 } |
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437 } |
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438 } |
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439 |
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440 //if there is a new SNAP, check wlan iap count in the new IAP |
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441 if ( !alreadyexists && aDestinations[i].iWlanIaps > 0 ) |
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442 { |
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443 aSNAPId = aDestinations[i].iDestId; |
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444 aChanged = ETrue; |
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445 CCHLOGSTRING2( "CCCHCommDbWatcher new snap id: %d", aSNAPId ); |
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446 } |
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447 } |
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448 } |
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449 |
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450 //update store |
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451 iDestinations.Reset(); |
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452 for ( TInt i=0; i < aDestinations.Count(); i++ ) |
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453 { |
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454 iDestinations.Append( aDestinations[i] ); |
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455 // Destinations are refreshed, set last error to kerrnone |
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456 iLastError = KErrNone; |
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457 } |
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458 } |
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459 |
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460 // --------------------------------------------------------------------------- |
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461 // CCCHCommsDbWatcher::UpdateIapTable |
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462 // |
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463 // --------------------------------------------------------------------------- |
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464 // |
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465 TInt CCCHCommDbWatcher::UpdateIapTable() |
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466 { |
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467 TBool configurationChanged( EFalse ); |
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468 TInt changedSnapId( KErrNotFound ); |
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469 TInt error( KErrNone ); |
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470 TRAP( error, CheckIapsL( configurationChanged, changedSnapId ) ); |
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471 |
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472 if ( error == KErrNone ) |
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473 { |
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474 if( configurationChanged ) |
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475 { |
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476 // new IAP(s) added, notify observer |
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477 iObserver.HandleWLANIapAdded( changedSnapId ); |
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478 } |
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479 } |
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480 |
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481 CCHLOGSTRING2( "CCCHCommDbWatcher::UpdateIapTable: CActive iStatus : %d", iStatus.Int() ); |
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482 return error; |
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483 } |
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484 |
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485 // --------------------------------------------------------------------------- |
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486 // CCCHCommsDbWatcher::InitializeDestination |
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487 // |
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488 // --------------------------------------------------------------------------- |
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489 // |
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490 void CCCHCommDbWatcher::InitializeDestination() |
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491 { |
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492 //call CheckWLANIapsL to get initial iap/snap list to array |
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493 //we're not interested in the return value at this point |
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494 TBool configurationChanged( EFalse ); |
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495 TInt changedSnapId( 0 ); |
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496 // Loop, because transaction might pend and error(KErrLocked) may occur |
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497 TInt error( KErrNone ); |
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498 for ( TInt i( 0 ); i < KMaxCheckAttempts; i++ ) |
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499 { |
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500 TRAP( error, CheckIapsL( configurationChanged, changedSnapId ) ); |
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501 CCHLOGSTRING2( |
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502 "CCCHCommDbWatcher::InitializeDestination; error: %d", error ); |
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503 if( KErrNone == error || KErrNotFound == error ) |
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504 { |
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505 break; |
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506 } |
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507 } |
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508 |
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509 if( error ) |
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510 { |
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511 iLastError = error; |
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512 } |
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513 } |
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514 |
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515 // ========================== OTHER EXPORTED FUNCTIONS ======================= |
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516 |
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517 // End of File |