--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetooth/btstack/l2cap/l2capSigPacketEcho.cpp	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,311 @@
+// Copyright (c) 2004-2009 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:
+//
+
+#include <bluetooth/logger.h>
+
+#include "l2capSigPacketEcho.h"
+#include "l2capSignalHandler.h"
+
+#ifdef __FLOG_ACTIVE
+_LIT8(KLogComponent, LOG_COMPONENT_L2CAP);
+#endif
+
+//                   ECHO REQUEST COMMAND 
+//For outgoing echo requests driven by an L2Cap IOCTL
+
+HEchoRequest::HEchoRequest(RMBufChain& aCommand,
+		  	               TUint8 aRTXTimerDuration,
+	                       TUint16 aERTXTimerDuration)
+ : HL2CapCommand(aCommand, aRTXTimerDuration, aERTXTimerDuration),
+   iEchoResponseHandler(NULL)
+	{
+	LOG_FUNC
+	}
+
+/*static*/ HEchoRequest* HEchoRequest::New(RMBufChain& aData,
+		  	                               TUint8 aRTXTimerDuration,
+	                                       TUint16 aERTXTimerDuration)
+	{
+	LOG_STATIC_FUNC
+	HEchoRequest* cmd = NULL;
+	RMBufChain buf;
+	buf.Assign(aData);
+	TRAPD(rerr, buf.PrependL(KEchoRequestEmptyLength));
+	
+	if(rerr == KErrNone)
+		{
+		cmd = new HEchoRequest(buf, aRTXTimerDuration, aERTXTimerDuration);
+		if(cmd)
+			{
+			// Setup message contents.
+			cmd->SetCode(EEchoRequest);
+			cmd->SetID(KUninitialisedID);
+			cmd->WriteDataLength();
+			}
+		else
+			{
+			// Free the allocated buffer.
+			buf.Free();
+			}
+		}
+	return cmd;
+	}		
+
+/*static*/ HEchoRequest* HEchoRequest::New(TUint8 aRTXTimerDuration,
+	                                       TUint16 aERTXTimerDuration)
+	{
+	LOG_STATIC_FUNC
+	HEchoRequest* cmd = NULL;
+	RMBufChain buf;
+	TRAPD(rerr, buf.AllocL(KEchoRequestEmptyLength));
+	
+	if(rerr == KErrNone)
+		{
+		cmd = new HEchoRequest(buf, aRTXTimerDuration, aERTXTimerDuration);
+		if(cmd)
+			{
+			// Setup message contents.
+			cmd->SetCode(EEchoRequest);
+			cmd->SetID(KUninitialisedID);
+			cmd->WriteDataLength();
+			}
+		else
+			{
+			// Free the allocated buffer.
+			buf.Free();
+			}
+		}
+	return cmd;
+	}	
+	
+/**
+Verifies that the buffer contains a structurally correct command. 
+This does not ensure that the content of the command is semantically valid.
+
+@param aCommmand A new HL2CapCommand if the buffer contains a structurally valid command.
+@param aBuffer The buffer containing the command
+@return KErrNone if the command if created.
+		KErrNoMemory if the command structure is valid but cannot be created.
+		KErrCorrupt if the command structure is invalid.
+*/
+TInt HEchoRequest::NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand)
+	{
+	LOG_STATIC_FUNC
+	// Firstly align the MBufChain.  The maximum size we can align the 
+	// MBufChain to is the maximum MBuf size
+	__ASSERT_COMPILE(KEchoRequestEmptyLength <= KMBufSmallSize);
+	
+	// We don't align the data as that way we don't need to worry about it being 
+	// larger than one MBuf in size.  It doesn't need to be aligned anyway as the
+	// only way the data is accessed is by being copied out.
+	TInt length = aBuffer.Length();
+	if(length >= KEchoRequestEmptyLength)
+		{
+		// Don't need to check result as we know that the MBufChain contains
+		// at least length bytes as we asked first.
+		(void)aBuffer.Align(KEchoRequestEmptyLength);
+		aCommand = new HEchoRequest(aBuffer);
+		if(aCommand)
+			{
+			return KErrNone;
+			}
+		else
+			{
+			return KErrNoMemory;
+			}
+		}
+	else
+		{
+		// Dodge length!
+		return KErrCorrupt;
+		}	
+	}
+	
+HEchoRequest::~HEchoRequest()
+	{
+	LOG_FUNC
+	}
+
+TBool HEchoRequest::ProcessCommand(CL2CapSignalHandler& aSignalHandler)
+	{
+	LOG_FUNC
+	if(aSignalHandler.HandleEchoRequest(this))
+		{
+		// The command has been handled.  Delete it.
+		delete this;
+		return ETrue;
+		}
+	else
+		{
+		return EFalse;
+		}
+	}
+
+TInt HEchoRequest::GetData(RMBufChain& aData) const
+	{
+	LOG_FUNC
+	TInt rerr = KErrNone;
+	if(DataLength() > KEchoRequestEmptyLength)
+		{
+		TRAP(rerr, iCommand.CopyL(aData, KEchoRequestEmptyLength));
+		}
+	else
+		{
+		rerr = KErrNotFound;
+		}
+	return rerr;
+	}
+
+
+//					ECHO RESPONSE COMMAND 
+//Constructor to deal command coming in from remote side
+HEchoResponse::HEchoResponse(RMBufChain& aCommand) 
+ : HL2CapCommand(aCommand)
+	{
+	LOG_FUNC
+	}
+
+/*static*/ HEchoResponse* HEchoResponse::New(RMBufChain& aData, TUint8 aId)
+	{
+	LOG_STATIC_FUNC
+	HEchoResponse* cmd = NULL;
+	RMBufChain buf;
+	buf.Assign(aData);
+	TRAPD(rerr, buf.PrependL(KEchoResponseEmptyLength));
+	
+	if(rerr == KErrNone)
+		{
+		cmd = new HEchoResponse(buf);
+		if(cmd)
+			{
+			// Setup message contents.
+			cmd->SetCode(EEchoResponse);
+			cmd->SetID(aId);
+			cmd->WriteDataLength();
+			}
+		else
+			{
+			// Free the allocated buffer.
+			buf.Free();
+			}
+		}
+	return cmd;
+	}		
+
+/*static*/ HEchoResponse* HEchoResponse::New(TUint8 aId)
+	{
+	LOG_STATIC_FUNC
+	HEchoResponse* cmd = NULL;
+	RMBufChain buf;
+	TRAPD(rerr, buf.AllocL(KEchoResponseEmptyLength));
+	
+	if(rerr == KErrNone)
+		{
+		cmd = new HEchoResponse(buf);
+		if(cmd)
+			{
+			// Setup message contents.
+			cmd->SetCode(EEchoResponse);
+			cmd->SetID(aId);
+			cmd->WriteDataLength();
+			}
+		else
+			{
+			// Free the allocated buffer.
+			buf.Free();
+			}
+		}
+	return cmd;
+	}		
+
+/**
+Verifies that the buffer contains a structurally correct command. 
+This does not ensure that the content of the command is semantically valid.
+
+@param aCommmand A new HL2CapCommand if the buffer contains a structurally valid command.
+@param aBuffer The buffer containing the command
+@return KErrNone if the command if created.
+		KErrNoMemory if the command structure is valid but cannot be created.
+		KErrCorrupt if the command structure is invalid.
+*/
+TInt HEchoResponse::NewCommandIfValid(RMBufChain& aBuffer, HL2CapCommand*& aCommand)
+	{
+	LOG_STATIC_FUNC
+	// Firstly align the MBufChain.  The maximum size we can align the 
+	// MBufChain to is the maximum MBuf size
+	__ASSERT_COMPILE(KEchoResponseEmptyLength <= KMBufSmallSize);
+	
+	// We don't align the data as that way we don't need to worry about it being 
+	// larger than one MBuf in size.  It doesn't need to be aligned anyway as the
+	// only way the data is accessed is by being copied out.
+	TInt length = aBuffer.Length();
+	if(length >= KEchoResponseEmptyLength)
+		{
+		// Don't need to check result as we know that the MBufChain contains
+		// at least length bytes as we asked first.
+		(void)aBuffer.Align(KEchoResponseEmptyLength);
+		aCommand = new HEchoResponse(aBuffer);
+		if(aCommand)
+			{
+			return KErrNone;
+			}
+		else
+			{
+			return KErrNoMemory;
+			}
+		}
+	else
+		{
+		// Dodge length!
+		return KErrCorrupt;
+		}	
+	}
+
+HEchoResponse::~HEchoResponse()
+	{
+	LOG_FUNC
+	}
+
+
+TBool HEchoResponse::ProcessCommand(CL2CapSignalHandler& aSignalHandler)	// Handle incoming echo response
+	{
+	LOG_FUNC
+	if(aSignalHandler.HandleEchoResponse(this))
+		{
+		// The command has been handled.  Delete it.
+		delete this;
+		return ETrue;
+		}
+	else
+		{
+		return EFalse;
+		}
+	}
+	
+TInt HEchoResponse::GetData(RMBufChain& aData) const
+	{
+	LOG_FUNC
+	TInt rerr = KErrNone;
+	if(DataLength() > KEchoResponseEmptyLength)
+		{
+		TRAP(rerr, iCommand.CopyL(aData, KEchoResponseEmptyLength));
+		}
+	else
+		{
+		rerr = KErrNotFound;
+		}
+	return rerr;
+	}
+