--- a/localconnectivityservice/dun/utils/src/DunSignalCopy.cpp Tue Aug 31 16:03:15 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,475 +0,0 @@
-/*
-* Copyright (c) 2008-2010 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: Copies signals changes between network and local media
-*
-*/
-
-
-#ifdef PRJ_USE_NETWORK_STUBS
-#include <c32comm_stub.h>
-#else
-#include <d32comm.h>
-#endif
-#include "DunTransporter.h"
-#include "DunSignalCopy.h"
-#include "DunDebug.h"
-
-const TUint KDunSixLowestBitsMask = 0x3F; // Symbian magic
-
-// ======== MEMBER FUNCTIONS ========
-
-// ---------------------------------------------------------------------------
-// Two-phased constructor.
-// ---------------------------------------------------------------------------
-//
-CDunSignalCopy* CDunSignalCopy::NewL()
- {
- CDunSignalCopy* self = new (ELeave) CDunSignalCopy();
- CleanupStack::PushL( self );
- self->ConstructL();
- CleanupStack::Pop( self );
- return self;
- }
-
-// ---------------------------------------------------------------------------
-// Destructor
-// ---------------------------------------------------------------------------
-//
-CDunSignalCopy::~CDunSignalCopy()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::~CDunSignalCopy()") ));
- ResetData();
- FTRACE(FPrint( _L("CDunSignalCopy::~CDunSignalCopy() complete") ));
- }
-
-// ---------------------------------------------------------------------------
-// Resets data to initial values
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ResetData()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ResetData()") ));
- // APIs affecting this:
- // IssueRequest()
- Stop();
- // AddCallback()
- iCallbacks.Close();
- // Internal
- Initialize();
- FTRACE(FPrint( _L("CDunSignalCopy::ResetData() complete") ));
- }
-
-// ---------------------------------------------------------------------------
-// Adds callback for line status change controlling
-// The callback will be called when RunL error is detected
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalCopy::AddCallback( MDunConnMon* aCallback )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::AddCallback()" ) ));
- if ( !aCallback )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::AddCallback() (aCallback) not initialized!" ) ));
- return KErrGeneral;
- }
- TInt retTemp = iCallbacks.Find( aCallback );
- if ( retTemp != KErrNotFound )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::AddCallback() (already exists) complete" ) ));
- return KErrAlreadyExists;
- }
- retTemp = iCallbacks.Append( aCallback );
- if ( retTemp != KErrNone )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::AddCallback() (append failed!) complete" ) ));
- return retTemp;
- }
- FTRACE(FPrint( _L("CDunSignalCopy::AddCallback() complete" ) ));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Sets media to use for this endpoint monitor
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalCopy::SetMedia( RComm* aComm,
- RComm* aNetwork,
- TDunStreamType aStreamType )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::SetMedia()" )));
- if ( !aNetwork )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::SetMedia() (aComm) not initialized!" )));
- return KErrGeneral;
- }
- RComm* comm = NULL;
- if ( aStreamType == EDunStreamTypeUpstream )
- {
- iContextInUse = EDunMediaContextLocal;
- comm = aComm;
- }
- else if ( aStreamType == EDunStreamTypeDownstream )
- {
- iContextInUse = EDunMediaContextNetwork;
- comm = aNetwork;
- }
- else
- {
- FTRACE(FPrint( _L("CDunSignalCopy::SetMedia() (aStreamtype) not initialized!" )));
- return KErrGeneral;
- }
- // No possibility to do iUtility->GetLocalId() here as aComm is not yet
- // in channel data; use aComm directly
- TCommCaps2 caps;
- comm->Caps( caps );
- if ( !(caps().iNotificationCaps & KNotifySignalsChangeSupported) )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::SetMedia() (RComm) (not supported) complete" )));
- return KErrNotSupported;
- }
- iComm = aComm;
- iNetwork = aNetwork;
- iStreamType = aStreamType;
- FTRACE(FPrint( _L("CDunSignalCopy::SetMedia() (RComm) complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Issues request to start monitoring the endpoint for line status change
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalCopy::IssueRequest()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest()" )));
- if ( iSignalCopyState != EDunStateIdle )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() (not ready) complete" ) ));
- return KErrNotReady;
- }
- RComm* comm = NULL;
- if ( iStreamType == EDunStreamTypeUpstream )
- {
- iListenSignals = KSignalDCEInputs;
- comm = iComm;
- }
- else if ( iStreamType == EDunStreamTypeDownstream )
- {
- iListenSignals = KSignalDTEInputs;
- comm = iNetwork;
- }
- else
- {
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() (ERROR) complete" ) ));
- return KErrGeneral;
- }
- TUint currentSignals = comm->Signals( iListenSignals );
- TUint oldSignalsLow = iSignals & KDunSixLowestBitsMask;
- TUint newSignalsLow = currentSignals & KDunSixLowestBitsMask;
- TUint oldSignalsHigh = oldSignalsLow * KSignalChanged;
- TUint newSignalsHigh = newSignalsLow * KSignalChanged;
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() oldSignalsLow=0x%08X" ), oldSignalsLow ));
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() newSignalsLow=0x%08X" ), newSignalsLow ));
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() oldSignalsHigh=0x%08X" ), oldSignalsHigh ));
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() newSignalsHigh=0x%08X" ), newSignalsHigh ));
- if ( newSignalsLow != oldSignalsLow )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() signals already set..." ) ));
- iSignals = newSignalsLow | (oldSignalsHigh ^ newSignalsHigh);
- ManageSignalChange();
- }
- else
- {
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() start waiting for change..." ) ));
- iStatus = KRequestPending;
- comm->NotifySignalChange( iStatus, iSignals, iListenSignals );
- SetActive();
- iSignalCopyState = EDunStateSignalCopy;
- }
- FTRACE(FPrint( _L("CDunSignalCopy::IssueRequest() complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// Stops monitoring the endpoint for line status change
-// ---------------------------------------------------------------------------
-//
-TInt CDunSignalCopy::Stop()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::Stop()" )));
- if ( iSignalCopyState != EDunStateSignalCopy )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::Stop() (not ready) complete" )));
- return KErrNotReady;
- }
- if ( iStreamType == EDunStreamTypeUpstream )
- {
- iComm->NotifySignalChangeCancel();
- }
- else if ( iStreamType == EDunStreamTypeDownstream )
- {
- iNetwork->NotifySignalChangeCancel();
- }
- else
- {
- FTRACE(FPrint( _L("CDunSignalCopy::Stop() (ERROR) complete" )));
- return KErrGeneral;
- }
- Cancel();
- iSignalCopyState = EDunStateIdle;
- FTRACE(FPrint( _L("CDunSignalCopy::Stop() complete" )));
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// CDunSignalCopy::CDunSignalCopy
-// ---------------------------------------------------------------------------
-//
-CDunSignalCopy::CDunSignalCopy() :
- CActive( EPriorityHigh )
- {
- Initialize();
- }
-
-// ---------------------------------------------------------------------------
-// CDunSignalCopy::ConstructL
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ConstructL()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ConstructL()" ) ));
- CActiveScheduler::Add( this );
- FTRACE(FPrint( _L("CDunSignalCopy::ConstructL() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Initializes this class
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::Initialize()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::Initialize()" ) ));
- iContextInUse = EDunMediaContextUndefined;
- iStreamType = EDunStreamTypeUndefined;
- iSignalCopyState = EDunStateIdle;
- iListenSignals = 0;
- iSignals = 0;
- iNetwork = NULL;
- iComm = NULL;
- FTRACE(FPrint( _L("CDunSignalCopy::Initialize() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Manages signal changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ManageSignalChange()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChange()" ) ));
-
- if ( iStreamType == EDunStreamTypeUpstream )
- {
- // Manage upstream case
- ManageSignalChangeUpstream();
- }
- else // iStreamType == EDunStreamTypeDownstream
- {
- // Manage downstream case
- ManageSignalChangeDownstream();
- }
-
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChange() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Manages upstream signal changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ManageSignalChangeUpstream()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream()" ) ));
- // For upstream the following signals are set for local media:
- // KSignalDCEInputs = KSignalRTS | KSignalDTR
- if ( iSignals & KRTSChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() checking RTS..." ) ));
- if ( iSignals & KSignalRTS ) // RTS changed to high
- {
- ChangeUpstreamSignal( KSignalRTS, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() RTS changed high" ) ));
- }
- else // RTS changed to low
- {
- ChangeUpstreamSignal( 0, KSignalRTS );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() RTS changed low" ) ));
- }
- }
- if ( iSignals & KDTRChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() checking DTR..." ) ));
- if ( iSignals & KSignalDTR ) // DTR changed to high
- {
- ChangeUpstreamSignal( KSignalDTR, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() DTR changed high" ) ));
- }
- else // DTR changed to low
- {
- ChangeUpstreamSignal( 0, KSignalDTR );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() DTR changed low" ) ));
- }
- }
- IssueRequest();
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeUpstream() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Manages downstream signal changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ManageSignalChangeDownstream()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream()" ) ));
- // For downstream the following signals are set for network:
- // KSignalDTEInputs = KSignalCTS | KSignalDSR | KSignalDCD | KSignalRNG
- if ( iSignals & KCTSChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() checking CTS..." ) ));
- if ( iSignals & KSignalCTS ) // CTS changed to high or initially high
- {
- ChangeDownstreamSignal( KSignalCTS, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() CTS changed high" ) ));
- }
- else // CTS changed to low
- {
- ChangeDownstreamSignal( 0, KSignalCTS );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() CTS changed low" ) ));
- }
- }
- if ( iSignals & KDSRChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() checking DSR..." ) ));
- if ( iSignals & KSignalDSR ) // DSR changed to high
- {
- ChangeDownstreamSignal( KSignalDSR, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() DSR changed high" ) ));
- }
- else // DSR changed to low
- {
- ChangeDownstreamSignal( 0, KSignalDSR );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() DSR changed low" ) ));
- }
- }
- if ( iSignals & KDCDChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() checking DCD..." ) ));
- if ( iSignals & KSignalDCD ) // DCD changed to high
- {
- ChangeDownstreamSignal( KSignalDCD, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() DCD changed high" ) ));
- }
- else // DCD changed to low
- {
- ChangeDownstreamSignal( 0, KSignalDCD );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() DCD changed low" ) ));
- }
- }
- if ( iSignals & KRNGChanged )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() checking RNG..." ) ));
- if ( iSignals & KSignalRNG ) // RNG changed to high
- {
- ChangeDownstreamSignal( KSignalRNG, 0 );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() RNG changed high" ) ));
- }
- else // RNG changed to low
- {
- ChangeDownstreamSignal( 0, KSignalRNG );
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() RNG changed low" ) ));
- }
- }
- IssueRequest();
- FTRACE(FPrint( _L("CDunSignalCopy::ManageSignalChangeDownstream() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Changes upstream signal
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ChangeUpstreamSignal( TUint aSetMask, TUint aClearMask )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ChangeUpstreamSignal()" ) ));
- if ( iNetwork )
- {
- iNetwork->SetSignals( aSetMask, aClearMask );
- }
- // Add other cases here if necessary
- FTRACE(FPrint( _L("CDunSignalCopy::ChangeUpstreamSignal() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// Changes downstream signal
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::ChangeDownstreamSignal( TUint aSetMask, TUint aClearMask )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::ChangeDownstreamSignal()" ) ));
- if ( iComm )
- {
- iComm->SetSignals( aSetMask, aClearMask );
- }
- // Add other cases here if necessary
- FTRACE(FPrint( _L("CDunSignalCopy::ChangeDownstreamSignal() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// From class CActive.
-// Gets called when line status changes
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::RunL()
- {
- FTRACE(FPrint( _L("CDunSignalCopy::RunL()" ) ));
- iSignalCopyState = EDunStateIdle;
- TInt retTemp = iStatus.Int();
- if ( retTemp != KErrNone )
- {
- FTRACE(FPrint( _L("CDunSignalCopy::RunL() (failed) complete (%d)"), retTemp));
- TInt i;
- TInt count = iCallbacks.Count();
- TDunConnectionReason connReason;
- connReason.iReasonType = EDunReasonTypeRunL;
- connReason.iContext = iContextInUse;
- connReason.iSignalType = 0;
- connReason.iSignalHigh = EFalse;
- connReason.iDirection = EDunDirectionUndefined;
- connReason.iErrorCode = retTemp;
- for ( i=0; i<count; i++ )
- {
- TRAP_IGNORE(
- iCallbacks[i]->NotifyProgressChangeL( iComm, connReason ) );
- }
- return;
- }
- FTRACE(FPrint( _L("CDunSignalCopy::RunL() managing signal 0x%08X" ), iSignals ));
- ManageSignalChange();
- FTRACE(FPrint( _L("CDunSignalCopy::RunL() complete" ) ));
- }
-
-// ---------------------------------------------------------------------------
-// From class CActive.
-// Gets called on cancel
-// ---------------------------------------------------------------------------
-//
-void CDunSignalCopy::DoCancel()
- {
- }