--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiCommPlugins/HtiBtCommPlugin/BtEngine/src/socketswriter.cpp	Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,171 @@
+/*
+* 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 "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:  Writes to socket.
+*
+*/
+
+
+// INCLUDE FILES
+#include "socketswriter.h"
+#include "timeouttimer.h"
+#include "BtSerialEngine.pan"
+#include "SocketObserver.h"
+#include "HtiBtEngineLogging.h"
+
+// STATIC MEMBER INITIALISATIONS
+const TInt KTimeOut = 10 * 1000 * 1000; // 10 seconds time-out
+
+// ========================= MEMBER FUNCTIONS ==================================
+
+// -----------------------------------------------------------------------------
+CSocketsWriter* CSocketsWriter::NewL( MSocketObserver& aEngineNotifier,
+                                      RSocket& aSocket )
+    {
+    CSocketsWriter* self = new ( ELeave ) CSocketsWriter( aEngineNotifier,
+                                                          aSocket );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+CSocketsWriter::CSocketsWriter( MSocketObserver& aEngineNotifier,
+                                RSocket& aSocket )
+: CActive( EPriorityStandard ),
+  iSocket( aSocket ),
+  iObserver( aEngineNotifier )
+    {
+    // No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    iTimeOut = KTimeOut;
+    iTimer = CTimeOutTimer::NewL( CActive::EPriorityUserInput, *this );
+    iWriteStatus = EIdle;
+    }
+
+// -----------------------------------------------------------------------------
+CSocketsWriter::~CSocketsWriter()
+    {
+    CancelSending();
+    delete iTimer;
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::DoCancel()
+    {
+    // Cancel asychronous write request
+    iSocket.CancelWrite();
+    iTimer->Cancel();
+    iWriteStatus = EIdle;
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::RunL()
+    {
+    iTimer->Cancel();
+
+    // Active object request complete handler
+    if ( iStatus == KErrNone )
+        {
+        switch ( iWriteStatus )
+            {
+            // Character has been written to socket
+            case ESending:
+                SendNextPacket();
+                break;
+            default:
+                LOGFMT_E( "CSocketsWriter: Bad write status: %d", iWriteStatus )
+                Panic( EBTSerialEngineWriteSocketBadState );
+                break;
+            };
+        }
+    else
+        {
+        iWriteStatus = EIdle;
+        iWriteBuffer.Zero();
+        iTransferBuffer.Zero();
+        iObserver.ReportError( MSocketObserver::EGeneralWriteError,
+                                     iStatus.Int() );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::TimerExpired()
+    {
+    Cancel();
+    iWriteStatus = EIdle;
+    iObserver.ReportError( MSocketObserver::ETimeOutOnWrite,
+                                 KErrTimedOut );
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::SendL(const TDesC8& aData)
+    {
+    if ( aData.Length() > FreeSpaceInSendBuffer() )
+        User::Leave( KErrOverflow );
+
+    iTransferBuffer.Append( aData );
+    SendNextPacket();
+    }
+
+// -----------------------------------------------------------------------------
+TInt CSocketsWriter::FreeSpaceInSendBuffer()
+    {
+    return iTransferBuffer.MaxSize() - iTransferBuffer.Size();
+    }
+
+// -----------------------------------------------------------------------------
+TInt CSocketsWriter::SendBufferMaxSize()
+    {
+    return iTransferBuffer.MaxLength();
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::SendNextPacket()
+    {
+    if ( IsActive() )
+        {
+        return; // already sending
+        }
+    if ( iTransferBuffer.Length() > 0 )
+        {
+        // Move data from transfer buffer to actual write buffer
+        iWriteBuffer.Copy(iTransferBuffer.Left(iWriteBuffer.MaxLength()));
+        iTransferBuffer.Delete(0, iWriteBuffer.MaxLength());
+        iSocket.Write( iWriteBuffer, iStatus ); // Initiate actual write
+
+        iWriteStatus = ESending;
+        iTimer->After( iTimeOut );
+        SetActive();
+        }
+    else
+        {
+        iWriteStatus = EIdle;
+        iObserver.AllBufferedDataSent();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+void CSocketsWriter::CancelSending()
+    {
+    Cancel();
+    iWriteBuffer.Zero();
+    iTransferBuffer.Zero();
+    }
+// End of File