obex/obexprotocol/obex/src/TObexServerStateGetOpSendObject.cpp
author hgs
Tue, 19 Oct 2010 11:00:12 +0800
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201041_03
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <obex.h>
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#include "obexserverstatemachine.h"
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/**
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@file
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@internalComponent
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GET Operation Send State
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This state sends the object to the client and transfers to Ready once the exchange is finished
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A GET, DISCONNECT or ABORT will be processed
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Any other OBEX operation will be answered with an OBEX error code
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*/
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TObexServerStateGetOpSendObject::TObexServerStateGetOpSendObject()
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	{
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#ifdef __FLOG_ACTIVE
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	_LIT8(KName, "GetOpSendObject");
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	iName = KName;
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#endif
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	}
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void TObexServerStateGetOpSendObject::Entry(CObexServerStateMachine& aContext)
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	{
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	// Chain on to Get() to start sending object
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	Get(aContext, aContext.LastReceivedPacket());
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	}
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void TObexServerStateGetOpSendObject::Connect(CObexServerStateMachine& aContext, CObexPacket& /*aPacket*/)
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	{
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	// Send ERespConflict and return to Ready
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	RespondAndEndOperation(aContext, ERespConflict);
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	}
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void TObexServerStateGetOpSendObject::Disconnect(CObexServerStateMachine& aContext, CObexPacket& aPacket)
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	{
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	// Process disconnect
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	PerformDisconnect(aContext, aPacket);
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	}
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void TObexServerStateGetOpSendObject::Put(CObexServerStateMachine& aContext, CObexPacket& /*aPacket*/)
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	{
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	// Send ERespBadRequest and return to Ready
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	RespondAndEndOperation(aContext, ERespBadRequest);
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	}
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void TObexServerStateGetOpSendObject::Get(CObexServerStateMachine& aContext, CObexPacket& aPacket)
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	{
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	if(!aPacket.IsFinal())
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		{
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		// Raising a Protocol Error will cause a Reset event resulting in a move to Disconnected.
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		// So any code after this call will potentially be executed in a different state
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		aContext.Owner().Error(KErrCommsOverrun);
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		return;
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		}
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	// This section prepares the next packet to send, if an error is detected or it is the final packet
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	// the machine is moved to EReady.
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	TInt err = KErrGeneral;
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	if(aContext.TransObject()->PrepareNextSendPacket(aContext.Transport().SendPacket()) == CObexBaseObject::EError ||
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		(err = aContext.Notification().GetPacketIndication()) != KErrNone)
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		{
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		aContext.Transport().SendPacket().Init(IrOBEXUtil::ObexResponse(err, ERespInternalError));
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		aContext.ChangeState(CObexServerStateMachine::EReady);
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		}
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	else if(aContext.Transport().SendPacket().IsFinal())
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		{// This is the last packet of the object being returned to client
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		aContext.ChangeState(CObexServerStateMachine::EGetOpFinal);
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		return;	
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		}
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	// Send the resultant packet
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	aContext.Transport().SendPacket().SetFinal();
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	aContext.Transport().Send();
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	}
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void TObexServerStateGetOpSendObject::SetPath(CObexServerStateMachine& aContext, CObexPacket& /*aPacket*/)
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	{
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	// Send ERespConflict and return to Ready
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	RespondAndEndOperation(aContext, ERespConflict);
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	}
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void TObexServerStateGetOpSendObject::Abort(CObexServerStateMachine& aContext)
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	{
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	// Send ERespSuccess and return to Ready
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	aContext.Notification().AbortIndication();
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	RespondAndEndOperation(aContext, ERespSuccess);
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	}
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void TObexServerStateGetOpSendObject::OverrideRequestHandling(CObexServerStateMachine& aContext, TObexResponse aResponse)
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	{
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	// Send server app response and return to Ready
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	RespondAndEndOperation(aContext, aResponse);
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	}
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