--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/inc/TraceCoreSendReceive.h	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,138 @@
+// Copyright (c) 2007-2010 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:
+// Send-receive class abstracts the media used by subscribers to send / receive messages
+//
+
+#ifndef __TRACECORESENDRECEIVE_H__
+#define __TRACECORESENDRECEIVE_H__
+
+
+// Include files
+#include <kernel/kernel.h>
+#include "TraceCoreMediaIfCallback.h"
+#include "TraceCoreMessageSender.h"
+
+
+// Forward declarations
+class DTraceCoreMediaIf;
+class DTraceCorePluginIf;
+class MTraceCoreMessageReceiver;
+
+
+/**
+ * Send-receive class abstracts the media used by subscribers to send / receive messages
+ */
+NONSHARABLE_CLASS( DTraceCoreSendReceive ) : public DBase, public MTraceCoreMediaIfCallback, public MTraceCoreMessageSender
+    {
+public:
+
+    /**
+     * Constructor
+     */
+    DTraceCoreSendReceive();
+    
+    /**
+     * Destructor
+     */
+    ~DTraceCoreSendReceive();
+    
+    /**
+     * Initializes this sender / receiver
+     * 
+     * @param aReceiver Interface where incoming messages are routed
+     */
+    TInt Init( MTraceCoreMessageReceiver& aReceiver );
+    
+    /**
+     * Gets the media interface that is used by media writer
+     */
+    inline DTraceCoreMediaIf* GetMediaWriterIf();
+    
+    /**
+     * Gets the media plug-in interface or NULL if it does not exist
+     */
+    inline DTraceCorePluginIf* GetPluginIf();
+    
+private:
+
+    /**
+     * MTraceCoreMediaIfCallback implementation for incoming messages
+     * 
+     * @param aMsg The message that was received
+     * @return KErrNotFound if the message id was not found (not subscribed), KErrNone if found
+     */
+    TInt MessageReceived( TTraceMessage &aMsg );
+    
+    /**
+     * Set Sender Media
+     *
+     * @param Sender media
+     */
+    TInt SetSenderMedia( DTraceCoreMediaIf* aSenderMedia );
+    
+    /**
+     * MTraceCoreMessageSender implementation for outgoing messages
+     * 
+     * @param aMessage The message to be sent
+     */
+    TInt SendMessage( TTraceMessage &aMessage );
+
+    /**
+     * Initializes a media interface
+     */
+    TInt InitMediaInterface( DTraceCoreMediaIf* aMediaIf );
+
+    /**
+     * Creates the media interfaces
+     */
+    TInt CreateInterfaces();
+    
+    /**
+     * Deletes the media interfaces
+     */
+    void DeleteInterfaces();
+
+private:
+    
+    /**
+     * Media interfaces that receive data.
+     */
+    RPointerArray< DTraceCoreMediaIf > iMediaInterfaces;
+    
+    /**
+     * Plug-in interface
+     */
+    DTraceCorePluginIf* iPluginInterface;
+
+    /**
+     * Media interface for sending data
+     */
+    DTraceCoreMediaIf* iSendInterface;
+
+    /**
+     * Media interface used by the media writer
+     */
+    DTraceCoreMediaIf* iMediaWriterInterface;
+
+    /**
+     * Target for incoming messages
+     */
+    MTraceCoreMessageReceiver* iReceiver;
+    };
+
+#endif
+
+#include "TraceCoreSendReceive.inl"
+
+// End of File