--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sdkcreationmw/sdkruntimes/msgsimulation/MsgRelay/Inc/MsgRelay.h	Mon Mar 08 12:09:11 2010 +0530
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2004-2005 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: 
+*
+*/
+
+
+#ifndef MSG_RELAY_H
+#define MSG_RELAY_H
+
+#include <e32std.h>
+#include <e32base.h>
+#include <msvapi.h>
+#include "MsgTypes.h"
+
+class CMessageWriter;
+class CRelaySession;
+
+class CMessageRelay : public CServer2, public MMsvSessionObserver
+{
+	friend class CRelaySession;
+
+	CArrayFixFlat<CRelaySession *> *iSessions;
+	CMessageWriter *iWriter;
+
+	CSession2* NewSessionL(const TVersion& aVersion) const;
+	CSession2* NewSessionL(const TVersion& aVersion, const RMessage2&) const;
+
+	/* Goes through all sessions and returns ETrue, is someone
+	   is listening the given port. */
+	TBool IsAnyBodyListening(TUint aPort, TMessageType aType);
+
+	/* Copies the message to inbox. */
+	void CopyMessageToSmsInboxL(TPtr8 &aMessage);
+	
+	/* Traverses the inbox and sends messages to listeners. */
+	void TraverseInboxL();
+
+protected:
+
+	IMPORT_C CMessageRelay();
+	IMPORT_C void ConstructL(CMessageWriter *aWriter);
+
+public:
+
+	IMPORT_C static CMessageRelay *NewL(CMessageWriter *aWriter = NULL);
+	IMPORT_C static CMessageRelay *NewLC(CMessageWriter *aWriter = NULL);
+	
+	IMPORT_C ~CMessageRelay();
+
+	/* Starts the server. */
+	IMPORT_C void StartRelayL(); 
+
+	/* Call this method when a new message is received to relay it
+	   to possible listeners. Returns ETrue, if the message was 
+	   accepted. If the message as not accepted, it must not be
+	   destroyed, but it must be offered again, as soon as there
+	   is a listener for it. */
+	IMPORT_C TBool NewMessageL(TPtr8 &aMessage, TMessageType aType);
+
+	/* Sets the message writer. Writers WriteMessageL(...) method
+	   is called when a client wants to send a message. */
+	IMPORT_C void SetWriter(CMessageWriter *aWriter);
+
+	void HandleSessionEventL(TMsvSessionEvent aEvent, TAny* aArg1, 
+							 TAny* aArg2, TAny* aArg3);
+
+};
+
+class CMessageWriter
+{
+
+	IMPORT_C void ConstructL();
+
+public:
+
+	IMPORT_C static CMessageWriter *NewL();
+	IMPORT_C static CMessageWriter *NewLC();
+
+	IMPORT_C virtual ~CMessageWriter();
+
+	/* Called when a message is received from client for sending. */
+	IMPORT_C virtual void WriteMessageL(TPtr8 &aMessage, TMessageType aType);
+};
+
+#endif /* MSG_RELAY_H */