--- a/localconnectivityservice/dun/utils/src/DunSignalNotify.cpp Thu Aug 19 10:46:39 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,385 +0,0 @@
-/*
-* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: Monitors signal changes on network side and reports changes
-*
-*/
-
-
-#ifdef PRJ_USE_NETWORK_STUBS
-#include <c32comm_stub.h>
-#else
-#include <d32comm.h>
-#endif
-#include "DunTransporter.h"
-#include "DunSignalNotify.h"
-#include "DunDebug.h"
-
-const TUint KDunSixLowestBitsMask = 0x3F; // Symbian magic
-
-// ======== MEMBER FUNCTIONS ========
-
-// ---------------------------------------------------------------------------
-// Two-phased constructor.
-// ---------------------------------------------------------------------------
-//
-CDunSignalNotify* CDunSignalNotify::NewL( MDunTransporterUtilityAux* aUtility )
- {
- CDunSignalNotify* self = new (ELeave) CDunSignalNotify( aUtility );
- CleanupStack::PushL( self );
- self->ConstructL();
- CleanupStack::Pop( self );
- return self;
- }
-
-// ---------------------------------------------------------------------------
-// Destructor
-// ---------------------------------------------------------------------------
-//
-CDunSignalNotify::~CDunSignalNotify()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::~CDunSignalNotify()") ));
- ResetData();
- FTRACE(FPrint( _L("CDunSignalNotify::~CDunSignalNotify() complete") ));
- }
-
-// ---------------------------------------------------------------------------
-// Resets data to initial values
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::ResetData()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ResetData()") ));
- // APIs affecting this:
- // IssueRequest()
- Stop();
- // AddCallback()
- iCallbacks.Close();
- // Internal
- Initialize();
- FTRACE(FPrint( _L("CDunSignalNotify::ResetData() complete") ));
- }
-
-// ---------------------------------------------------------------------------
-// Adds callback for line status change controlling
-// The callback will be called when line status change is detected in
-// endpoint
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalNotify::AddCallback( MDunConnMon* aCallback )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::AddCallback()" ) ));
- if ( !aCallback )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::AddCallback() (ERROR) complete" ) ));
- return KErrGeneral;
- }
- TInt retTemp = iCallbacks.Find( aCallback );
- if ( retTemp != KErrNotFound )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::AddCallback() (already exists) complete" ) ));
- return KErrAlreadyExists;
- }
- retTemp = iCallbacks.Append( aCallback );
- if ( retTemp != KErrNone )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::AddCallback() (append failed!) complete" ) ));
- return retTemp;
- }
- FTRACE(FPrint( _L("CDunSignalNotify::AddCallback() complete" ) ));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Sets media to use for this endpoint monitor
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalNotify::SetMedia( RComm* aComm )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::SetMedia()" )));
- if ( !aComm )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::SetMedia() (aComm) not initialized!" )));
- return KErrGeneral;
- }
- // As it's not possible to listen for RFCOMM signal changes the RTS and DTR
- // signals should be anyway set high to Dataport
- aComm->SetSignals( KSignalRTS|KSignalDTR, 0 );
- // Next check if signal change notification from Dataport supported
- TCommCaps2 caps;
- aComm->Caps( caps );
- if ( !(caps().iNotificationCaps & KNotifySignalsChangeSupported) )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::SetMedia() (RComm) (not supported) complete" )));
- return KErrNotSupported;
- }
- iListenSignals = KSignalDTEInputs;
- iNetwork = aComm;
- FTRACE(FPrint( _L("CDunSignalNotify::SetMedia() (RComm) complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Issues request to start monitoring the endpoint for line status change
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalNotify::IssueRequest()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest()" )));
- if ( iSignalNotifyState != EDunStateIdle )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() (not ready) complete" )));
- return KErrNotReady;
- }
- if ( !iNetwork )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() (iNetwork) not initialized!" ) ));
- return KErrGeneral;
- }
- TUint currentSignals = iNetwork->Signals( iListenSignals );
- TUint oldSignalsLow = iSignals & KDunSixLowestBitsMask;
- TUint newSignalsLow = currentSignals & KDunSixLowestBitsMask;
- TUint oldSignalsHigh = oldSignalsLow * KSignalChanged;
- TUint newSignalsHigh = newSignalsLow * KSignalChanged;
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() oldSignalsLow=0x%08X" ), oldSignalsLow ));
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() newSignalsLow=0x%08X" ), newSignalsLow ));
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() oldSignalsHigh=0x%08X" ), oldSignalsHigh ));
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() newSignalsHigh=0x%08X" ), newSignalsHigh ));
- if ( newSignalsLow != oldSignalsLow )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() signals already set..." ) ));
- iSignals = newSignalsLow | (oldSignalsHigh ^ newSignalsHigh);
- ManageSignalChange();
- }
- else
- {
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() start waiting for change..." ) ));
- iStatus = KRequestPending;
- iNetwork->NotifySignalChange( iStatus, iSignals, iListenSignals );
- SetActive();
- iSignalNotifyState = EDunStateSignalNotify;
- }
- FTRACE(FPrint( _L("CDunSignalNotify::IssueRequest() complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Stops monitoring the endpoint for line status change
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalNotify::Stop()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::Stop()" )));
- if ( iSignalNotifyState != EDunStateSignalNotify )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::Stop() (not ready) complete" )));
- return KErrNotReady;
- }
- if ( !iNetwork )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::Stop() (iNetwork) not initialized!" )));
- return KErrGeneral;
- }
- iNetwork->NotifySignalChangeCancel();
- Cancel();
- iSignalNotifyState = EDunStateIdle;
- FTRACE(FPrint( _L("CDunSignalNotify::Stop() complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// CDunSignalNotify::CDunSignalNotify
-// ---------------------------------------------------------------------------
-//
-CDunSignalNotify::CDunSignalNotify( MDunTransporterUtilityAux* aUtility ) :
- CActive( EPriorityHigh ),
- iUtility( aUtility )
- {
- Initialize();
- }
-
-// ---------------------------------------------------------------------------
-// CDunSignalNotify::ConstructL
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::ConstructL()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ConstructL()" ) ));
- if ( !iUtility )
- {
- User::Leave( KErrGeneral );
- }
- CActiveScheduler::Add( this );
- FTRACE(FPrint( _L("CDunSignalNotify::ConstructL() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Initializes this class
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::Initialize()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::Initialize()" ) ));
- // Don't initialize iUtility here (it is set through NewL)
- iSignalNotifyState = EDunStateIdle;
- iListenSignals = 0;
- iSignals = 0;
- iNetwork = NULL;
- FTRACE(FPrint( _L("CDunSignalNotify::Initialize() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Manages signal changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::ManageSignalChange()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange()" ) ));
- // The following signals are input signals from network side:
- // KSignalDTEInputs = KSignalCTS | KSignalDSR | KSignalDCD | KSignalRNG
- if ( iSignals & KCTSChanged )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() checking CTS..." ) ));
- if ( iSignals & KSignalCTS ) // CTS changed to high
- {
- ReportSignalChange( KSignalCTS, 0 );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() CTS changed high" ) ));
- }
- else // CTS changed to low
- {
- ReportSignalChange( 0, KSignalCTS );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() CTS changed low" ) ));
- }
- }
- if ( iSignals & KDSRChanged )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() checking DSR..." ) ));
- if ( iSignals & KSignalDSR ) // DSR changed to high
- {
- ReportSignalChange( KSignalDSR, 0 );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() DSR changed high" ) ));
- }
- else // DSR changed to low
- {
- ReportSignalChange( 0, KSignalDSR );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() DSR changed low" ) ));
- }
- }
- if ( iSignals & KDCDChanged )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() checking DCD..." ) ));
- if ( iSignals & KSignalDCD ) // DCD changed to high
- {
- ReportSignalChange( KSignalDCD, 0 );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() DCD changed high" ) ));
- }
- else // DCD changed to low
- {
- ReportSignalChange( 0, KSignalDCD );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() DCD changed low" ) ));
- }
- }
- if ( iSignals & KRNGChanged )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() checking RNG..." ) ));
- if ( iSignals & KSignalRNG ) // RNG changed to high
- {
- ReportSignalChange( KSignalRNG, 0 );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() RNG changed high" ) ));
- }
- else // RNG changed to low
- {
- ReportSignalChange( 0, KSignalRNG );
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() RNG changed low" ) ));
- }
- }
- IssueRequest();
- FTRACE(FPrint( _L("CDunSignalNotify::ManageSignalChange() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Reports signal change
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::ReportSignalChange( TUint aSetMask, TUint aClearMask )
- {
- FTRACE(FPrint( _L("CDunSignalNotify::ReportSignalChange()" ) ));
-
- TUint signalType = aClearMask;
- TUint signalHigh = EFalse;
- if ( aSetMask != 0 )
- {
- signalType = aSetMask;
- signalHigh = ETrue;
- }
- TInt i;
- TInt count = iCallbacks.Count();
- TDunConnectionReason connReason;
- TConnId localId = iUtility->GetLocalId( iNetwork );
- connReason.iReasonType = EDunReasonTypeSignal;
- connReason.iContext = EDunMediaContextNetwork;
- connReason.iSignalType = signalType;
- connReason.iSignalHigh = signalHigh;
- connReason.iDirection = EDunDirectionUndefined;
- connReason.iErrorCode = KErrNone;
- for ( i=0; i<count; i++ )
- {
- TRAP_IGNORE(
- iCallbacks[i]->NotifyProgressChangeL( localId, connReason ) );
- }
-
- FTRACE(FPrint( _L("CDunSignalNotify::ReportSignalChange() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// From class CActive.
-// Gets called when line status changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::RunL()
- {
- FTRACE(FPrint( _L("CDunSignalNotify::RunL()" ) ));
- iSignalNotifyState = EDunStateIdle;
- TInt retTemp = iStatus.Int();
- if ( retTemp != KErrNone )
- {
- TInt i;
- TInt count = iCallbacks.Count();
- TDunConnectionReason connReason;
- TConnId localId = iUtility->GetLocalId( iNetwork );
- connReason.iReasonType = EDunReasonTypeRunL;
- connReason.iContext = EDunMediaContextNetwork;
- connReason.iSignalType = 0;
- connReason.iSignalHigh = EFalse;
- connReason.iDirection = EDunDirectionUndefined;
- connReason.iErrorCode = retTemp;
- for ( i=0; i<count; i++ )
- {
- TRAP_IGNORE(
- iCallbacks[i]->NotifyProgressChangeL( localId, connReason ) );
- }
- return;
- }
- FTRACE(FPrint( _L("CDunSignalNotify::RunL() managing signal 0x%08X" ), iSignals ));
- ManageSignalChange();
- FTRACE(FPrint( _L("CDunSignalNotify::RunL() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// From class CActive.
-// Gets called on cancel
-// ---------------------------------------------------------------------------
-//
-void CDunSignalNotify::DoCancel()
- {
- }