diff -r 000000000000 -r 63b37f68c1ce connectivitylayer/usbphonetlink/usbpnserver_exe/src/cusbpnisasender.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/usbphonetlink/usbpnserver_exe/src/cusbpnisasender.cpp	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,336 @@
+/*
+* 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 "cusbpnisasender.h"
+#include "cusbpnpacket.h"
+#include "musbpnbufferlistener.h"
+#include "usbpndefinitions.h"
+#include "usbpntrace.h"
+
+#include "osttracedefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "cusbpnisasenderTraces.h"
+#endif
+
+#include <iscapi.h>                 // For RIscApi
+
+// EXTERNAL DATA STRUCTURES
+// EXTERNAL FUNCTION PROTOTYPES
+// CONSTANTS
+// MACROS
+// LOCAL CONSTANTS AND MACROS
+// MODULE DATA STRUCTURES
+// LOCAL FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::CUsbPnIsaSender
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CUsbPnIsaSender::CUsbPnIsaSender( MUsbPnBufferListener& aBufferListener, RIscApi& aIscApi  )
+    :CActive( CActive::EPriorityStandard )
+    ,iBufferListener( aBufferListener )
+    ,iIscApi( aIscApi )
+    ,iPacketCount( 0 )
+    {
+    OstTraceExt2( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_ENTRY, "CUsbPnIsaSender::CUsbPnIsaSender;aBufferListener=%x;aIscApi=%x", ( TUint )&( aBufferListener ), ( TUint )&( aIscApi ) );
+    C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender( aBufferListener:0x%x, aIscApi:0x%x )" ), &aBufferListener, &aIscApi ) );
+
+    CActiveScheduler::Add(this);
+
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_EXIT, "CUsbPnIsaSender::CUsbPnIsaSender - return" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender() - return" ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CUsbPnIsaSender::ConstructL()
+    {
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CONSTRUCTL_ENTRY, "CUsbPnIsaSender::ConstructL" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::ConstructL()" ) ) );
+
+    // Create circular buffer objects
+    for(TUint i = 1; i < (KPnIsaPacketCount + 1); i++)
+        {
+        AddPacketBufferL(i);
+        }
+    iCurrentPacket = iPacket;
+
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CONSTRUCTL_EXIT, "CUsbPnIsaSender::ConstructL - return void" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::ConstructL() - return void" ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CUsbPnIsaSender* CUsbPnIsaSender::NewL( MUsbPnBufferListener& aBufferListener, RIscApi& aIscApi )
+    {
+    OstTraceExt2( TRACE_NORMAL, CUSBPNISASENDER_NEWL_ENTRY, "CUsbPnIsaSender::NewL;aBufferListener=%x;aIscApi=%x", ( TUint )&( aBufferListener ), ( TUint )&( aIscApi ) );
+    C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender( aBufferListener 0x%x, aIscApi:0x%x )" ), &aBufferListener, &aIscApi ) );
+
+    CUsbPnIsaSender* self = new( ELeave ) CUsbPnIsaSender( aBufferListener, aIscApi );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_NEWL_EXIT, "CUsbPnIsaSender::NewL - return;self=%x", self );
+    C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender() - return 0x%x" ), self ) );
+    return self;
+    }
+
+
+// Destructor
+CUsbPnIsaSender::~CUsbPnIsaSender()
+    {
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_DESTRUCTOR_ENTRY, "CUsbPnIsaSender::~CUsbPnIsaSender" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::~CUsbPnIsaSender()" ) ) );
+
+    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, CUSBPNISASENDER_CUSBPNISASENDER_DESTRUCTOR_EXIT, "CUsbPnIsaSender::~CUsbPnIsaSender - return" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::~CUsbPnIsaSender() - return" ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::AddPacketBuffer
+// -----------------------------------------------------------------------------
+void CUsbPnIsaSender::AddPacketBufferL( TInt aIndex )
+    {
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_ADDPACKETBUFFERL_ENTRY, "CUsbPnIsaSender::AddPacketBufferL" );
+    C_TRACE((_T("CUsbPnIsaSender::AddPacketBuffer()")));
+
+    iPacketCount++;
+    iPacket = CUsbPnPacket::NewL( iPacket, aIndex );
+
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_ADDPACKETBUFFERL_EXIT, "CUsbPnIsaSender::AddPacketBufferL - return void" );
+    C_TRACE((_T("CUsbPnIsaSender::AddPacketBuffer - return void")));
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::DoCancel
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnIsaSender::DoCancel( )
+    {
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_DOCANCEL_ENTRY, "CUsbPnIsaSender::DoCancel" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::DoCancel()" ) ) );
+
+    iIscApi.SendCancel();
+
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_DOCANCEL_EXIT, "CUsbPnIsaSender::DoCancel - return void" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::DoCancel() - return void" ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::RunL
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnIsaSender::RunL( )
+    {
+    OstTrace1( TRACE_API, CUSBPNISASENDER_RUNL_ENTRY, "CUsbPnIsaSender::RunL;iStatus=%d", iStatus.Int() );
+    A_TRACE( ( _T( "CUsbPnIsaSender::RunL() iStatus:%d" ), iStatus.Int() ) );
+
+    User::LeaveIfError( iStatus.Int() );
+
+    iCurrentPacket->ReleaseL();
+
+    iBufferListener.Receive( ETrue/*dummy*/ );
+
+    iCurrentPacket = &iCurrentPacket->NextPacket();
+    OstTraceExt2( TRACE_DETAILED, CUSBPNISASENDER_RUNL, "CUsbPnIsaSender::RunL;tail:%d,head:%d", iCurrentPacket->PacketNumber(), iPacket->PacketNumber() );
+    E_TRACE( ( _T( "CUsbPnIsaSender::RunL() - tail:%d,head:%d " ), iCurrentPacket->PacketNumber(), iPacket->PacketNumber()));
+
+    if(iCurrentPacket != iPacket)
+        {
+        // Continue write
+        OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_RUNL_DUP1, "CUsbPnIsaSender::RunL - Write next in queue." );
+        E_TRACE( ( _T( "CUsbPnIsaSender::RunL() - Write next in queue." )));
+        TryToSendPacket( iCurrentPacket->NextPacket() );
+        }
+
+    OstTrace0( TRACE_API, CUSBPNISASENDER_RUNL_EXIT, "CUsbPnIsaSender::RunL - return void" );
+    A_TRACE( ( _T( "CUsbPnIsaSender::RunL() - return void" ) ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::RunError
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CUsbPnIsaSender::RunError( TInt aError )
+    {
+    OstTrace1( TRACE_API, CUSBPNISASENDER_RUNERROR_ENTRY, "CUsbPnIsaSender::RunError;aError=%d", aError );
+    A_TRACE( ( _T( "CUsbPnIsaSender::RunError( aError:%d )" ), aError ) );
+
+    switch( aError )
+        {
+        case KErrNotReady:
+        case KErrBadDescriptor:
+        case KErrUnderflow:
+            {
+            TRACE_ASSERT_ALWAYS;
+            CActiveScheduler::Stop();
+            aError = KErrNone;
+            break;
+            }
+        default:
+            {
+            TRACE_ASSERT_ALWAYS;
+            User::Panic( KUsbPnPanicCat, aError );
+            break;
+            }
+        }
+
+    OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_RUNERROR_EXIT, "CUsbPnIsaSender::RunError - return;aError=%d", aError );
+    C_TRACE( ( _T( "CUsbPnIsaSender::RunError() return - aError:%d )" ), aError ) );
+    return aError;
+    }
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::Packet
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CUsbPnPacket& CUsbPnIsaSender::PacketL()
+    {
+    OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_PACKETL_ENTRY, "CUsbPnIsaSender::PacketL" );
+    C_TRACE( ( _T( "CUsbPnIsaSender::PacketL()" ) ) );
+
+    CUsbPnPacket& packet( iPacket->NextPacket() );
+    TBool err = packet.PacketInUse();
+    if (EFalse != err)
+        {
+        User::Leave( err );
+        }
+
+    OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_PACKETL_EXIT, "CUsbPnIsaSender::PacketL - return;packet=%d", packet.PacketNumber() );
+    C_TRACE((_T("CUsbPnIsaSender::PacketL() - return packet:%d"), packet.PacketNumber()));
+
+    return packet;
+    }
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::Send
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnIsaSender::Send( CUsbPnPacket& aPacket )
+    {
+    OstTrace1( TRACE_API, CUSBPNISASENDER_SEND_ENTRY, "CUsbPnIsaSender::Send;aPacket=%x", ( TUint )&( aPacket ) );
+    A_TRACE( ( _T( "CUsbPnIsaSender::Send( aPacket:0x%x)" ), &aPacket ) );
+
+    CUsbPnPacket& packet( iPacket->NextPacket() );
+    if( &packet == &aPacket )
+        {
+        iPacket = &packet;
+        OstTrace1( TRACE_DETAILED, CUSBPNISASENDER_SEND, "CUsbPnIsaSender::Send;packet number:%d", iPacket->PacketNumber() );
+        E_TRACE( ( _T( "CUsbPnIsaSender::Send() - packet number:%d" ), iPacket->PacketNumber() ) );
+
+        TryToSendPacket( *iPacket );
+        }
+    else
+        {
+        TRACE_ASSERT_ALWAYS;
+        User::Panic(_L("USBPNSERVER"), KErrTotalLossOfPrecision);
+        }
+
+    OstTrace0( TRACE_API, CUSBPNISASENDER_SEND_EXIT, "CUsbPnIsaSender::Send - return void" );
+    A_TRACE( ( _T( "CUsbPnIsaSender::Send() - return void" ) ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUsbPnIsaSender::TryToSendPacket
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CUsbPnIsaSender::TryToSendPacket( CUsbPnPacket& aPacket )
+    {
+    OstTrace1( TRACE_API, CUSBPNISASENDER_TRYTOSENDPACKET_ENTRY, "CUsbPnIsaSender::TryToSendPacket;aPacket=%x", ( TUint )&( aPacket ) );
+    A_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket( aPacket:0x%x )" ), &aPacket ) );
+
+    if(!IsActive())
+        {
+        if( &aPacket == &iCurrentPacket->NextPacket() || &aPacket == iCurrentPacket )
+            {
+            OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET, "CUsbPnIsaSender::TryToSendPacket - Send to ISA" );
+            E_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - Send to ISA")));
+
+#ifdef EXTENDED_TRACE_FLAG
+            TInt i(0);
+            HBufC8& data(aPacket.Buffer());
+            while(i < data.Length() )
+                {
+                OstTraceExt2( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET_DUP1, "CUsbPnIsaSender::Send([%d] = %x )", i, data[i] );
+                E_TRACE( ( _T( "CUsbPnIsaSender::Send([%d] = %x )" ), i, data[i] ) );
+                i++;
+                }
+#endif
+
+            iIscApi.Send( iStatus, aPacket.Buffer() );
+            SetActive();
+            }
+        else
+            {
+            TRACE_ASSERT_ALWAYS;
+            User::Panic(_L("USBPNSERVER"), KErrTotalLossOfPrecision);
+            }
+        }
+    else
+        {
+        OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET_DUP2, "CUsbPnIsaSender::TryToSendPacket - Already sending" );
+        E_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - Already sending")));
+        }
+
+    OstTrace0( TRACE_API, CUSBPNISASENDER_TRYTOSENDPACKET_EXIT, "CUsbPnIsaSender::TryToSendPacket - return void" );
+    A_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - return void" ) ) );
+    }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File