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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: |
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15 * class implementation for CCchWlanExtension |
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16 * |
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17 */ |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "cchwlanextension.h" |
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22 #include "cchprivatecrkeys.h" |
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23 #include "cchlogger.h" |
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24 |
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25 #include <centralrepository.h> |
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26 #include <wlanmgmtclient.h> |
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27 #include <StringLoader.h> |
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28 #include <WlanCdbCols.h> |
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29 |
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30 // CONSTANTS |
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31 |
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32 const TUint32 KWlanScanRateDeactive = 0; //scan not active |
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33 const TUint32 KWlanScanRateActive = 300; //value used when cch activates 1st scan |
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34 |
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35 const TInt KRetryTimeout( 100000 ); // 0,1s delay for comms db begintransaction retry (microseconds) |
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36 const TInt KRetryCount( 6 ); // Maximum number of retries |
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37 |
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38 |
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39 // ============================ MEMBER FUNCTIONS ============================= |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // CCchWlanExtension::NewL() |
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43 // Symbian OS two-phased constructor |
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44 // --------------------------------------------------------------------------- |
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45 CCchWlanExtension* CCchWlanExtension::NewL( ) |
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46 { |
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47 CCchWlanExtension* self = new( ELeave ) CCchWlanExtension( ); |
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48 CleanupStack::PushL( self ); |
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49 self->ConstructL(); |
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50 |
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51 CleanupStack::Pop( self ); |
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52 return self; |
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53 } |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // CCchWlanExtension::ConstructL() |
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57 // Symbian OS two-phased constructor |
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58 // --------------------------------------------------------------------------- |
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59 void CCchWlanExtension::ConstructL() |
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60 { |
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61 CCHLOGSTRING2( "CCchWlanExtension::ConstructL[0x%x]: IN", this ); |
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62 // Create connection to the Access Points setting data. |
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63 iAPCommsDatabase = CCommsDatabase::NewL( EDatabaseTypeIAP ); |
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64 |
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65 // Create connection to the WLAN setting data. |
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66 iWLANCommsDatabase = CCommsDatabase::NewL(); |
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67 |
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68 iCchRepository = CRepository::NewL( KCRUidCch ); |
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69 CCHLOGSTRING( "CCchWlanExtension::ConstructL: OUT" ); |
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70 } |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // CCchWlanExtension::CCchWlanExtension() |
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74 // Constructor. |
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75 // --------------------------------------------------------------------------- |
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76 CCchWlanExtension::CCchWlanExtension( ) : |
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77 iLastSavedScanInterval( 0 ) |
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78 { |
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79 } |
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80 |
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81 // --------------------------------------------------------------------------- |
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82 // CGSUiVoIPExtension::~CCchWlanExtension() |
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83 // Destructor. |
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84 // --------------------------------------------------------------------------- |
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85 CCchWlanExtension::~CCchWlanExtension() |
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86 { |
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87 delete iWLANCommsDatabase; |
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88 delete iAPCommsDatabase; |
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89 delete iCchRepository; |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // CCchWlanExtension::ForceEnableWlanScanL |
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94 // --------------------------------------------------------------------------- |
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95 void CCchWlanExtension::ForceEnableWlanScanL() |
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96 { |
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97 CCHLOGSTRING( "CCchWlanExtension::ForceEnableWlanScanL: IN" ); |
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98 TInt scanRate = CheckAvailabilityStatusL(); |
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99 if( KWlanScanRateDeactive != scanRate ) |
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100 { |
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101 CCHLOGSTRING( "CCchWlanExtension::Forced to disable/enable wlan scan" ); |
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102 SetAvailabilitySwitchL( KWlanScanRateDeactive ); |
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103 SetAvailabilitySwitchL( iLastSavedScanInterval ); |
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104 } |
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105 else |
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106 { |
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107 CCHLOGSTRING( "CCchWlanExtension::Normal wlan scan enable" ); |
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108 EnableWlanScanL(); |
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109 } |
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110 |
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111 CCHLOGSTRING( "CCchWlanExtension::ForceEnableWlanScanL: OUT" ); |
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112 } |
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113 |
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114 // --------------------------------------------------------------------------- |
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115 // CCchWlanExtension::EnableWlanScanL |
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116 // --------------------------------------------------------------------------- |
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117 void CCchWlanExtension::EnableWlanScanL() |
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118 { |
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119 CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL: IN" ); |
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120 TInt err( KErrNone ); |
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121 TInt wlanActivation( 0 ); |
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122 err = iCchRepository->Get( |
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123 KCCHWasWlanScanActivatedBeforeServiceEnabling, |
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124 wlanActivation ); |
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125 User::LeaveIfError( err ); |
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126 TInt scanRate = CheckAvailabilityStatusL(); |
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127 // Activate the WLAN scan setting if needed. |
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128 if( KErrNone == err ) |
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129 { |
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130 if( ECCHWlanScanNotDefined == wlanActivation ) |
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131 { |
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132 if( KWlanScanRateDeactive < scanRate ) |
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133 { |
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134 iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling, |
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135 ECCHWlanScanWasEnabled ); |
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136 CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL; scan was enabled by user" ); |
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137 } |
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138 else |
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139 { |
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140 iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling, |
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141 ECCHWlanScanWasNotEnabled ); |
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142 |
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143 CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL; scan was enabled by CCH" ); |
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144 } |
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145 } |
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146 } |
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147 if( KWlanScanRateDeactive == scanRate ) |
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148 { |
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149 SetAvailabilitySwitchL( iLastSavedScanInterval ); |
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150 } |
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151 |
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152 CCHLOGSTRING( "CCchWlanExtension::EnableWlanScanL: OUT" ); |
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153 } |
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154 // --------------------------------------------------------------------------- |
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155 // CCchWlanExtension::DisableWlanScanL |
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156 // --------------------------------------------------------------------------- |
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157 void CCchWlanExtension::DisableWlanScanL() |
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158 { |
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159 CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: IN" ); |
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160 // Deactivate the WLAN scan setting if needed. |
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161 TInt err( KErrNone ); |
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162 TInt wlanActivation( 0 ); |
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163 err = iCchRepository->Get( |
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164 KCCHWasWlanScanActivatedBeforeServiceEnabling, |
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165 wlanActivation ); |
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166 User::LeaveIfError( err ); |
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167 TInt scanRate = CheckAvailabilityStatusL(); |
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168 CCHLOGSTRING2( "CCchWlanExtension::DisableWlanScanL: ERROR:%d", err ); |
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169 if( KErrNone == err ) |
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170 { |
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171 CCHLOGSTRING2( "CCchWlanExtension::DisableWlanScanL: activation:%d", wlanActivation ); |
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172 if ( KWlanScanRateDeactive < scanRate ) |
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173 { |
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174 CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: scan is active" ); |
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175 if( ECCHWlanScanNotDefined != wlanActivation ) |
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176 { |
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177 if( ECCHWlanScanWasNotEnabled == wlanActivation ) |
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178 { |
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179 CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: disabling wlan scan" ); |
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180 SetAvailabilitySwitchL( KWlanScanRateDeactive ); |
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181 } |
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182 err = iCchRepository->Set( KCCHWasWlanScanActivatedBeforeServiceEnabling, |
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183 ECCHWlanScanNotDefined ); |
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184 User::LeaveIfError( err ); |
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185 } |
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186 } |
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187 } |
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188 CCHLOGSTRING( "CCchWlanExtension::DisableWlanScanL: OUT" ); |
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189 } |
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190 |
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191 // --------------------------------------------------------------------------- |
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192 // CCchWlanExtension::CheckAvailabilityStatusL |
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193 // Checks WLAN availability setting status. |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 TUint32 CCchWlanExtension::CheckAvailabilityStatusL() |
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197 { |
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198 CCHLOGSTRING( "CCchWlanExtension::CheckAvailabilityStatusL: IN" ); |
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199 TUint32 scanRate( KErrNone ); |
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200 // Open WLAN setting table and get availability data. |
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201 CCommsDbTableView* view = |
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202 iWLANCommsDatabase->OpenViewMatchingUintLC |
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203 ( |
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204 TPtrC( WLAN_DEVICE_SETTINGS ), |
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205 TPtrC( WLAN_DEVICE_SETTINGS_TYPE ), |
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206 KWlanUserSettings |
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207 ); |
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208 |
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209 User::LeaveIfError( view->GotoFirstRecord() ); |
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210 view->ReadUintL( TPtrC( WLAN_BG_SCAN_INTERVAL ), scanRate ); |
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211 //ignore leave if there is no such column WLAN_SAVED_BG_SCAN_INTERVAL |
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212 TRAP_IGNORE( view->ReadUintL( TPtrC( WLAN_SAVED_BG_SCAN_INTERVAL ), |
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213 iLastSavedScanInterval ) ); |
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214 |
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215 if( 0 == iLastSavedScanInterval ) |
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216 { |
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217 iLastSavedScanInterval = KWlanScanRateActive; |
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218 } |
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219 CCHLOGSTRING3( |
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220 "CCchWlanExtension::CheckAvailabilityStatusL: interval: %d, saved: %d", |
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221 scanRate, iLastSavedScanInterval ); |
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222 CleanupStack::PopAndDestroy( view ); |
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223 CCHLOGSTRING( "CCchWlanExtension::CheckAvailabilityStatusL: OUT" ); |
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224 // Return scan rate value. |
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225 return scanRate; |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CCchWlanExtension::SetAvailabilitySwitchL |
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230 // Sets WLAN availability switch based on scan rate given. |
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231 // ----------------------------------------------------------------------------- |
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232 void CCchWlanExtension::SetAvailabilitySwitchL( TUint32 aScanRate ) |
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233 { |
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234 CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: IN" ); |
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235 // Open WLAN setting table and record. |
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236 CCommsDbTableView* view = iWLANCommsDatabase->OpenViewMatchingUintLC |
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237 ( |
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238 TPtrC( WLAN_DEVICE_SETTINGS ), |
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239 TPtrC( WLAN_DEVICE_SETTINGS_TYPE ), |
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240 KWlanUserSettings |
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241 ); |
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242 |
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243 User::LeaveIfError( view->GotoFirstRecord() ); |
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244 User::LeaveIfError( view->UpdateRecord() ); |
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245 |
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246 // Set new WLAN availability setting value to comms database. |
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247 view->WriteUintL( TPtrC( WLAN_BG_SCAN_INTERVAL ), aScanRate ); |
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248 |
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249 TInt round( 0 ); |
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250 TInt err( KErrNone ); |
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251 do |
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252 { |
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253 // Complete transaction procedure. |
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254 err = view->PutRecordChanges(); |
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255 |
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256 if ( KErrNone != err ) |
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257 { |
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258 User::After( round * KRetryTimeout ); |
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259 round++; |
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260 } |
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261 } |
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262 while ( KErrNone != err && round < KRetryCount); |
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263 |
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264 if ( KErrNone != err ) |
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265 { |
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266 CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: PutRecordChanges was unsuccessful" ); |
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267 User::Leave( err ); |
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268 } |
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269 |
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270 CleanupStack::PopAndDestroy( view ); |
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271 |
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272 // Notifying WLAN Engine about changes in settings. |
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273 CWlanMgmtClient* wlanMgmtClient = CWlanMgmtClient::NewL(); |
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274 wlanMgmtClient->NotifyChangedSettings(); |
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275 delete wlanMgmtClient; |
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276 CCHLOGSTRING( "CCchWlanExtension::SetAvailabilitySwitchL: OUT" ); |
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277 } |
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278 |
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279 // End of file |