wlan_bearer/wlanengine/wlan_symbian/wlanengine_symbian_3.1/src/wlanbgscanstates.cpp
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14 * Description: This class implements WLAN background scan logic. |
14 * Description: This class implements WLAN background scan logic. |
15 * |
15 * |
16 */ |
16 */ |
17 |
17 |
18 /* |
18 /* |
19 * %version: 3 % |
19 * %version: 4 % |
20 */ |
20 */ |
21 |
21 |
22 #include <e32base.h> |
22 #include <e32base.h> |
23 #include <e32const.h> |
23 #include <e32const.h> |
24 |
24 |
55 iProvider( aProvider ), |
55 iProvider( aProvider ), |
56 iTimerServices( aTimerServices ), |
56 iTimerServices( aTimerServices ), |
57 iBgScanState( EBgScanStateMax ), |
57 iBgScanState( EBgScanStateMax ), |
58 iIntervalChangeRequestId( 0 ), |
58 iIntervalChangeRequestId( 0 ), |
59 iCompletedAwsCommand( MWlanBgScanAwsComms::EAwsCommandMax ), |
59 iCompletedAwsCommand( MWlanBgScanAwsComms::EAwsCommandMax ), |
60 iAwsCommandCompletionCode( KErrNone ) |
60 iAwsCommandCompletionCode( KErrNone ), |
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61 iWlanState( MWlanBgScanProvider::EWlanStateMax ) |
61 { |
62 { |
62 DEBUG( "CWlanBgScanStates::CWlanBgScanStates()" ); |
63 DEBUG( "CWlanBgScanStates::CWlanBgScanStates()" ); |
63 } |
64 } |
64 |
65 |
65 // --------------------------------------------------------------------------- |
66 // --------------------------------------------------------------------------- |
834 // |
835 // |
835 void CWlanBgScanStates::RefreshUsedInterval() |
836 void CWlanBgScanStates::RefreshUsedInterval() |
836 { |
837 { |
837 TUint oldInterval = iUsedBgScanInterval; |
838 TUint oldInterval = iUsedBgScanInterval; |
838 |
839 |
839 DEBUG2( "CWlanBgScanStates::RefreshUsedInterval() - agg: %u, normal: %u", |
840 DEBUG4( "CWlanBgScanStates::RefreshUsedInterval() - agg: %u, normal: %u, used: %u, wlan state: %u", |
840 iAggressiveBgScanInterval, iBgScanInterval ); |
841 iAggressiveBgScanInterval, iBgScanInterval, iUsedBgScanInterval, iWlanState ); |
841 |
842 |
842 // Smaller of the two intervals will be taken into use |
843 // If ( WLAN state is connected ) -> use interval: KWlanNoScanning |
843 if( iAggressiveBgScanInterval < iBgScanInterval ) |
844 // Else If ( aggressive interval < normal interval ) -> use interval: aggressive interval |
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845 // Otherwise -> use interval: background scan interval |
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846 if( iWlanState == MWlanBgScanProvider::EWlanStateConnected ) |
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847 { |
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848 iUsedBgScanInterval = KWlanNoScanning; |
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849 } |
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850 else if( iAggressiveBgScanInterval < iBgScanInterval ) |
844 { |
851 { |
845 iUsedBgScanInterval = iAggressiveBgScanInterval; |
852 iUsedBgScanInterval = iAggressiveBgScanInterval; |
846 } |
853 } |
847 else |
854 else |
848 { |
855 { |
874 iProvider.Scan( KWlanBgScanMaxDelayExpireImmediately ); |
881 iProvider.Scan( KWlanBgScanMaxDelayExpireImmediately ); |
875 } |
882 } |
876 // else |
883 // else |
877 // In case the new interval is bigger than the old one, it |
884 // In case the new interval is bigger than the old one, it |
878 // is taken into use after the pending scan request completes. |
885 // is taken into use after the pending scan request completes. |
879 } |
886 DEBUG1( "CWlanBgScanStates::RefreshUsedInterval() - using interval: %u", iUsedBgScanInterval ); |
880 |
887 |
881 |
888 } |
882 |
889 |
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890 |
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891 |