--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bthid/bthidserver/src/datasegmenter.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,191 @@
+/*
+* Copyright (c) 2008 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:  This is the implementation of application class
+ *
+*/
+
+
+#include "datasegmenter.h"
+
+CDataSegmenter* CDataSegmenter::NewL()
+    {
+    CDataSegmenter* self = NewLC();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+CDataSegmenter* CDataSegmenter::NewLC()
+    {
+    CDataSegmenter* self = new (ELeave) CDataSegmenter();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+CDataSegmenter::CDataSegmenter()
+    {
+    // No work to do
+    }
+
+CDataSegmenter::~CDataSegmenter()
+    {
+    delete iPayloadBuf;
+
+    delete iPacket;
+    }
+
+void CDataSegmenter::SegmentDataL(const TDesC8& aInitialHeader,
+        const TDesC8& aPayload, TChar aAdditionalHeaderByte, TInt aMTU)
+    {
+    // Store the continuation packet header byte and MTU
+    iAdditionalHeaderByte = aAdditionalHeaderByte;
+    iMTU = aMTU;
+
+    // Determine the payload that will go in the first packet
+    TInt initialPayLoadSize = Min((iMTU - aInitialHeader.Length()),
+            aPayload.Length());
+
+    // The initial packet size
+    TInt initialSize = aInitialHeader.Length() + initialPayLoadSize;
+
+    TPtr8 dataPtr(0, 0);
+    if (!iPacket)
+        {
+        // Allocate the packet buffer, if it doesn't exist
+        iPacket = HBufC8::NewL(initialSize);
+        dataPtr.Set(iPacket->Des());
+        }
+    else
+        {
+        // Ensure the existing buffer is large enough to hold the new data
+        dataPtr.Set(iPacket->Des());
+        if (dataPtr.MaxLength() < initialSize)
+            {
+            delete iPacket;
+            iPacket = 0;
+            iPacket = HBufC8::NewL(initialSize);
+            dataPtr.Set(iPacket->Des());
+            }
+        }
+
+    // Reset the packet buffer
+    dataPtr.Zero();
+    // Append the header and initial payload
+    dataPtr.Append(aInitialHeader);
+    dataPtr.Append(aPayload.Mid(0, initialPayLoadSize));
+
+    // Reset the payload pointer to NULL
+    iPayloadBufPtr.Set(TPtrC8(0, 0));
+
+    // Determine the remaining payload
+    TInt payloadRemaining = aPayload.Length() - initialPayLoadSize;
+
+    // If there is some remaining payload, store it
+    if (payloadRemaining > 0)
+        {
+        if (!iPayloadBuf)
+            {
+            // Allocate the payload buffer, if it doesn't exist
+            iPayloadBuf = HBufC8::NewL(payloadRemaining);
+            dataPtr.Set(iPayloadBuf->Des());
+            }
+        else
+            {
+            // Ensure the existing buffer is large enough to hold the new data
+            dataPtr.Set(iPayloadBuf->Des());
+            if (dataPtr.MaxLength() < payloadRemaining)
+                {
+                delete iPayloadBuf;
+                iPayloadBuf = 0;
+                iPayloadBuf = HBufC8::NewL(payloadRemaining);
+                dataPtr.Set(iPayloadBuf->Des());
+                }
+            }
+
+        // Reset the payload buffer
+        dataPtr.Zero();
+        // Copy the remaining payload
+        dataPtr.Append(aPayload.Mid(initialPayLoadSize));
+        // Initialise the payload pointer
+        iPayloadBufPtr.Set(iPayloadBuf->Des());
+        }
+    }
+
+const HBufC8* CDataSegmenter::FirstPacketL() const
+    {
+    // Leave if no packet created.
+    User::LeaveIfNull(iPacket);
+
+    // Return the initial packet created
+    return iPacket;
+    }
+
+const HBufC8* CDataSegmenter::NextPacket()
+    {
+    HBufC8* result = iPacket;
+    TPtr8 packetPtr = iPacket->Des();
+
+    // If there is some payload left over
+    if (iPayloadBufPtr.Length() > 0)
+        {
+        // Reset the packet buffer
+        packetPtr.Zero();
+
+        // Append the additional packet header
+        packetPtr.Append(iAdditionalHeaderByte);
+
+        // Determine how much payload to copy, minimum of what's left and what
+        // can fit in the packet
+        TInt dataToCopy = Min((iMTU - 1), iPayloadBufPtr.Length());
+
+        // Copy payload into the packet buffer
+        packetPtr.Append(iPayloadBufPtr.Mid(0, dataToCopy));
+
+        // Update the payload pointer
+        iPayloadBufPtr.Set(iPayloadBufPtr.Mid(dataToCopy));
+        }
+    else if (packetPtr.Length() == iMTU)
+        {
+        // No payload left, but last packet was full, so we must send
+        // an additional packet with just the header
+        packetPtr.Zero();
+        packetPtr.Append(iAdditionalHeaderByte);
+        }
+    else
+        {
+        // No more packets
+        result = 0;
+        }
+
+    return result;
+    }
+
+void CDataSegmenter::Reset()
+    {
+    // If a packet has been allocated, then reset the data
+    if (iPacket)
+        {
+        TPtr8 packetPtr = iPacket->Des();
+        packetPtr.Zero();
+        }
+
+    // Reset the payload pointer to NULL
+    iPayloadBufPtr.Set(TPtrC8(0, 0));
+    }
+
+void CDataSegmenter::ConstructL()
+    {
+    // No work to do
+    }
+