--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/usbphonetlink/usbpnserver_exe/src/cusbpnusbsender.cpp Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,328 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+*
+*/
+
+// INCLUDE FILES
+#include "cusbpnusbsender.h"
+#include "cusbpnpacket.h"
+#include "musbpnbufferlistener.h"
+#include "usbpndefinitions.h" // For constants
+#include "usbpntrace.h"
+
+#include "osttracedefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "cusbpnusbsenderTraces.h"
+#endif
+
+#include <d32usbc.h> // RDevUsbcClient
+
+// EXTERNAL DATA STRUCTURES
+// EXTERNAL FUNCTION PROTOTYPES
+// CONSTANTS
+// MACROS
+// LOCAL CONSTANTS AND MACROS
+// MODULE DATA STRUCTURES
+// LOCAL FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::CUsbPnUsbSender
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CUsbPnUsbSender::CUsbPnUsbSender( MUsbPnBufferListener& aListener, RDevUsbcClient& aLdd )
+ :CActive( 100 ) //ECommTransmitPriority=100 in es_prot.h
+ ,iBufferListener( aListener )
+ ,iLdd( aLdd )
+ ,iPacketCount( 0 )
+ ,iPacket( NULL )
+ {
+ OstTraceExt2( TRACE_NORMAL, CUSBPNUSBSENDER_CUSBPNUSBSENDER_ENTRY, "CUsbPnUsbSender::CUsbPnUsbSender;aListener=%x;aLdd=%x", ( TUint )&( aListener ), ( TUint )&( aLdd ) );
+ C_TRACE( ( _T( "CUsbPnUsbSender::CUsbPnUsbSender( aListener:0x%x, aLdd:0x%x )" ), &aListener, &aLdd ) );
+
+ CActiveScheduler::Add(this);
+
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_CUSBPNUSBSENDER_EXIT, "CUsbPnUsbSender::CUsbPnUsbSender - return" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::CUsbPnUsbSender() - return" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CUsbPnUsbSender::ConstructL()
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_CONSTRUCTL_ENTRY, "CUsbPnUsbSender::ConstructL" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::ConstructL()" ) ) );
+
+ // Create circular buffer objects
+ for(TUint i = 1; i < (KPnUsbPacketCount + 1); i++)
+ {
+ AddPacketBufferL(i);
+ }
+ iCurrentPacket = iPacket;
+
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_CONSTRUCTL_EXIT, "CUsbPnUsbSender::ConstructL - return void" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::ConstructL() - return void" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CUsbPnUsbSender* CUsbPnUsbSender::NewL( MUsbPnBufferListener& aBufferListener, RDevUsbcClient& aLdd )
+ {
+ OstTraceExt2( TRACE_NORMAL, CUSBPNUSBSENDER_NEWL_ENTRY, "CUsbPnUsbSender::NewL;aBufferListener=%x;aLdd=%x", ( TUint )&( aBufferListener ), ( TUint )&( aLdd ) );
+ C_TRACE( ( _T( "CUsbPnUsbSender::NewL( aBufferListener:0x%x, aLdd:0x%x )" ), &aBufferListener, &aLdd ) );
+
+ CUsbPnUsbSender* self = new( ELeave ) CUsbPnUsbSender( aBufferListener, aLdd );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+
+ OstTrace1( TRACE_NORMAL, CUSBPNUSBSENDER_NEWL_EXIT, "CUsbPnUsbSender::NewL - return;self=%x", self );
+ C_TRACE( ( _T( "CUsbPnUsbSender::NewL() - return 0x%x" ), self ) );
+ return self;
+ }
+
+
+// Destructor
+CUsbPnUsbSender::~CUsbPnUsbSender()
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_CUSBPNUSBSENDER_DESTRUCTOR_ENTRY, "CUsbPnUsbSender::~CUsbPnUsbSender" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::~CUsbPnUsbSender()" ) ) );
+
+ Cancel();
+
+ // Delete circular buffer objects
+ CUsbPnPacket* packet;
+ while(iPacketCount > 0)
+ {
+ iPacketCount--;
+ packet = &iPacket->NextPacket();
+ delete iPacket;
+ iPacket = packet;
+ }
+ iCurrentPacket = NULL;
+ iPacket = NULL;
+
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_CUSBPNUSBSENDER_DESTRUCTOR_EXIT, "CUsbPnUsbSender::~CUsbPnUsbSender - return" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::~CUsbPnUsbSender() - return" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::AddPacketBufferL
+// -----------------------------------------------------------------------------
+void CUsbPnUsbSender::AddPacketBufferL( TInt aIndex )
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_ADDPACKETBUFFERL_ENTRY, "CUsbPnUsbSender::AddPacketBufferL" );
+ C_TRACE((_T("CUsbPnUsbSender::AddPacketBuffer()")));
+
+ iPacketCount++;
+ iPacket = CUsbPnPacket::NewL( iPacket, aIndex );
+
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_ADDPACKETBUFFERL_EXIT, "CUsbPnUsbSender::AddPacketBufferL - return void" );
+ C_TRACE((_T("CUsbPnUsbSender::AddPacketBuffer - return void")));
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::PacketL
+// -----------------------------------------------------------------------------
+CUsbPnPacket& CUsbPnUsbSender::PacketL()
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_PACKETL_ENTRY, "CUsbPnUsbSender::PacketL" );
+ C_TRACE((_T("CUsbPnUsbSender::PacketL()")));
+
+ CUsbPnPacket& packet( iPacket->NextPacket() );
+ TBool err = packet.PacketInUse();
+ if (EFalse != err)
+ {
+ User::Leave( err );
+ }
+
+ OstTrace1( TRACE_NORMAL, CUSBPNUSBSENDER_PACKETL_EXIT, "CUsbPnUsbSender::PacketL - return;packet=%d", packet.PacketNumber() );
+ C_TRACE((_T("CUsbPnUsbSender::PacketL() - return packet:%d"), packet.PacketNumber()));
+
+ return packet;
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::Send
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnUsbSender::Send( CUsbPnPacket& aPacket )
+ {
+ OstTrace0( TRACE_API, CUSBPNUSBSENDER_SEND_ENTRY, "CUsbPnUsbSender::Send" );
+ A_TRACE( ( _T( "CUsbPnUsbSender::Send()" ) ) );
+
+ iPacket = &iPacket->NextPacket();
+ OstTrace1( TRACE_DETAILED, CUSBPNUSBSENDER_SEND, "CUsbPnUsbSender::Send;packet number:%d", iPacket->PacketNumber() );
+ E_TRACE( ( _T( "CUsbPnUsbSender::Send() - packet number:%d" ), iPacket->PacketNumber() ) );
+
+ TryToSendPacket( *iPacket );
+
+ OstTrace0( TRACE_API, CUSBPNUSBSENDER_SEND_EXIT, "CUsbPnUsbSender::Send - return void" );
+ A_TRACE( ( _T( "CUsbPnUsbSender::Send() - return void" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::TryToSendPacket
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnUsbSender::TryToSendPacket( const CUsbPnPacket& aPacket )
+ {
+ OstTraceExt2( TRACE_API, CUSBPNUSBSENDER_TRYTOSENDPACKET_ENTRY, "CUsbPnUsbSender::TryToSendPacket;aPacket=%d;iCurrentPacket=%d", aPacket.PacketNumber(), iCurrentPacket->PacketNumber() );
+ A_TRACE( ( _T( "CUsbPnUsbSender::TryToSendPacket( aPacketNumber:%d, iCurrentPacket:%d )" ), aPacket.PacketNumber(), iCurrentPacket->PacketNumber( ) ));
+
+ // Write message to USB
+ if(!IsActive())
+ {
+ if( &aPacket == &iCurrentPacket->NextPacket() || &aPacket == iCurrentPacket )
+ {
+ OstTrace0( TRACE_DETAILED, CUSBPNUSBSENDER_TRYTOSENDPACKET, "CUsbPnUsbSender::TryToSendPacket - Write to socket" );
+ E_TRACE( ( _T( "CUsbPnUsbSender::TryToSendPacket() - Write to socket")));
+
+ HBufC8& data(aPacket.Buffer());
+ TInt length( data.Length() );
+#ifdef EXTENDED_TRACE_FLAG
+ TInt i(0);
+
+ while(i < length )
+ {
+ OstTraceExt2( TRACE_DETAILED, CUSBPNUSBSENDER_TRYTOSENDPACKET_DUP1, "CUsbPnUsbSender::Send( [%d] = %x )", i, data[i] );
+ E_TRACE( ( _T( "CUsbPnUsbSender::Send([%d] = %x )" ), i, data[i] ) );
+ i++;
+ }
+#endif
+
+ // ZLP flag setting is optional. Could be always true as driver checks against max packet size
+ TBool zlp( ( length != 0 ) && ( length % KPnPacketSize ) == 0 );
+
+ iLdd.Write( iStatus, EEndpoint1, data, length, zlp );
+ SetActive();
+ }
+ else
+ {
+ TRACE_ASSERT_ALWAYS;
+ }
+ }
+ else
+ {
+ OstTrace0( TRACE_DETAILED, CUSBPNUSBSENDER_TRYTOSENDPACKET_DUP2, "CUsbPnUsbSender::TryToSendPacket - Already sending" );
+ E_TRACE( ( _T( "CUsbPnUsbSender::TryToSendPacket() - Already sending")));
+ }
+
+ OstTrace0( TRACE_API, CUSBPNUSBSENDER_TRYTOSENDPACKET_EXIT, "CUsbPnUsbSender::TryToSendPacket - return void" );
+ A_TRACE( ( _T( "CUsbPnUsbSender::TryToSendPacket() - return void" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::DoCancel
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnUsbSender::DoCancel( )
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_DOCANCEL_ENTRY, "CUsbPnUsbSender::DoCancel" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::DoCancel()" ) ) );
+ iLdd.WriteCancel( EEndpoint1 );
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_DOCANCEL_EXIT, "CUsbPnUsbSender::DoCancel - return void" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::DoCancel() - return void" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::RunL
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnUsbSender::RunL( )
+ {
+ OstTrace1( TRACE_API, CUSBPNUSBSENDER_RUNL_ENTRY, "CUsbPnUsbSender::RunL;iStatus:%d", iStatus.Int() );
+ A_TRACE( ( _T( "CUsbPnUsbSender::RunL() iStatus:%d" ), iStatus.Int() ) );
+
+ User::LeaveIfError( iStatus.Int() );
+
+ iCurrentPacket->ReleaseL();
+ iBufferListener.Receive( ETrue );
+ iCurrentPacket = &iCurrentPacket->NextPacket();
+
+ if(iCurrentPacket != iPacket)
+ {
+ // Continue write
+ OstTraceExt2( TRACE_DETAILED, CUSBPNUSBSENDER_RUNL, "CUsbPnUsbSender::RunL - Write next in queue;tail=%d;head=%d", iCurrentPacket->PacketNumber(), iPacket->PacketNumber() );
+ E_TRACE( ( _T( "CUsbPnUsbSender::RunL() - Write next in queue tail:%d,head:%d " ), iCurrentPacket->PacketNumber(), iPacket->PacketNumber()));
+ TryToSendPacket( iCurrentPacket->NextPacket() );
+ }
+
+ OstTrace0( TRACE_API, CUSBPNUSBSENDER_RUNL_EXIT, "CUsbPnUsbSender::RunL - return void" );
+ A_TRACE( ( _T( "CUsbPnUsbSender::RunL() - return void" ) ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CUsbPnUsbSender::RunError
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CUsbPnUsbSender::RunError( TInt aError )
+ {
+ OstTrace1( TRACE_API, CUSBPNUSBSENDER_RUNERROR_ENTRY, "CUsbPnUsbSender::RunError;aError=%d", aError );
+ A_TRACE( ( _T( "CUsbPnUsbSender::RunError(aError:%d)" ), aError ) );
+
+ switch( aError )
+ {
+ case KErrUsbCableDetached:
+ case KErrUsbDeviceBusReset:
+ case KErrUsbInterfaceNotReady:
+ case KErrUsbEpNotInInterface:
+ case KErrUsbDeviceNotConfigured:
+ case KErrUsbBadEndpoint:
+ case KErrUsbDeviceClosing:
+ case KErrUsbInterfaceChange:
+ case KErrUsbEpNotReady:
+ {
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_RUNERROR, "CUsbPnUsbSender::RunError - Cable detached!" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::RunError - Cable detached!" )));
+ aError = KErrNone;
+ break;
+ }
+ default:
+ {
+ TRACE_ASSERT_ALWAYS;
+ }
+ }
+
+ OstTrace0( TRACE_NORMAL, CUSBPNUSBSENDER_RUNERROR_EXIT, "CUsbPnUsbSender::RunError - return void" );
+ C_TRACE( ( _T( "CUsbPnUsbSender::RunL() - return void" ) ) );
+ return KErrNone;
+ }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// End of File