--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zeroconf/client/src/cmdnsquerypublishnotifier.cpp	Thu Jun 24 19:09:47 2010 +0530
@@ -0,0 +1,187 @@
+// Copyright (c) 2008-2009 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:
+// cmdnsquerypublishnotifier.cpp
+// 
+//
+
+/**
+@file
+@internalTechnology
+*/
+//User include 
+#include "cmdnsquerypublishnotifier.h"
+#include "cmdnsclient.h"
+
+//System include
+#include <pnp/mpnpobserver.h>
+#include <mdns/mdnsparamset.h>
+__FLOG_STMT(_LIT8(KComponent,"CMdnsQueryPublishNotifier");)
+/*
+ * Two phase constructor.
+ * @param aMdns a refernce to the mdns client .
+ * @return returns  the instance .
+ */
+CMdnsQueryPublishNotifier* CMdnsQueryPublishNotifier::NewL(RMdns& aMdns)
+	{
+	CMdnsQueryPublishNotifier* self = new (ELeave)CMdnsQueryPublishNotifier(aMdns);
+	return self;
+	}
+
+/*
+ * Destructor 
+ */
+CMdnsQueryPublishNotifier::~CMdnsQueryPublishNotifier()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::~CMdnsQueryPublishNotifier - Entry"));
+	iObserver = NULL;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::~CMdnsQueryPublishNotifier - Exit"));
+	__FLOG_CLOSE;
+	}
+/*
+ * :)Function gets hit whenever a query or publish request gets completed.
+ * On completeion iBufferlength contains the no of bytes to be allocated to read 
+ * the response.
+ */
+void CMdnsQueryPublishNotifier::RunL()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::RunL - Entry"));
+	if(iStatus.Int() == KErrNone )
+	    {
+	    HBufC8* data = HBufC8::NewL(iBufferLength);
+	    CleanupStack::PushL(data);
+	    TPtr8 dataPointer(data->Des());
+	    RPnPParameterBundle responseBundle;
+	    responseBundle.CreateL();
+	    switch (iState)
+	    {
+	    case EMdnsServerQueryMessages :
+	        {
+	        iMdns.RecieveMessage(dataPointer);
+            responseBundle.Load(dataPointer);
+            iObserver->OnPnPEventL(responseBundle);
+            
+            
+             break;
+	        }
+	    case EMndsServerPublishMessages:
+	        {
+	        iMdns.RecieveMessage(dataPointer);
+            responseBundle.Load(dataPointer);
+            iObserver->OnPnPEventL(responseBundle);
+            break;	        
+	        
+	        }
+	    }
+	    responseBundle.Close();
+	    CleanupStack::PopAndDestroy();//data
+	    }
+	else
+	    {
+	    iObserver->OnPnPError(iStatus.Int());
+	    }
+	__FLOG(_L8("CMdnsQueryPublishNotifier::RunL - Exit"));
+	}
+
+
+void CMdnsQueryPublishNotifier::DoCancel()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::DoCancel - Entry"));
+	iObserver = NULL;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::DoCancel - Exit"));
+	}
+
+/*
+ * Constructor
+ * @param reference to RMdns 
+ */
+CMdnsQueryPublishNotifier::CMdnsQueryPublishNotifier(RMdns& aMdns):CActive(EPriorityStandard),iMdns(aMdns),iPckgLength(iBufferLength)
+	{
+	__FLOG_OPEN(KMDNSSubsystem, KComponent);
+	__FLOG(_L8("CMdnsQueryPublishNotifier::CMdnsQueryPublishNotifier - Entry"));
+	CActiveScheduler::Add(this);
+	__FLOG(_L8("CMdnsQueryPublishNotifier::CMdnsQueryPublishNotifier - Exit"));
+	}
+
+/*
+ * return reference to iBufferLength object .\\
+ * Same will be used to set the size of the buffer client can expect on completion of 
+ * query and publish.
+ * @return iBufferlength areference to iBufferLength object
+ */
+TPckg<TInt>& CMdnsQueryPublishNotifier::BufferLength()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::BufferLength - Entry"));
+	return iPckgLength;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::BufferLength - Exit"));
+	}
+
+/*
+ * Cancel the asynchoronous request if it is already active.
+ * Calls SetActive and sets the status to KRequestPending.
+ */
+void CMdnsQueryPublishNotifier::SetEventNotifierActive()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::SetEventNotifierActive - Entry"));
+	if(IsActive())
+	    {
+	    Cancel();
+	    }
+	SetActive();
+	iStatus = KRequestPending;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::SetEventNotifierActive - Exit"));
+	}
+
+/*
+ * Returns the refernce to iStatus of the active object
+ * @return iStatus reference to status of the active object.
+ */
+TRequestStatus& CMdnsQueryPublishNotifier::EventNotifierStatus()
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::EventNotifierStatus - Entry"));
+	return iStatus;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::EventNotifierStatus - Exit"));
+	}
+
+/*
+ * Function to keep a refernce to the observer of the client.
+ * @param aObserver An observer to the client.
+ */
+
+void CMdnsQueryPublishNotifier::SetPnpObserver(MPnPObserver* aObserver)
+	{
+	__FLOG(_L8("CMdnsQueryPublishNotifier::SetPnpObserver - Entry"));
+	iObserver = aObserver;
+	__FLOG(_L8("CMdnsQueryPublishNotifier::SetPnpObserver - Exit"));
+	}
+/*
+ * Set the state to either query or publish based on the request.
+ * @param aState either query or publish.
+ */
+void CMdnsQueryPublishNotifier::SetState(TMdnsServerMessages aState)
+    {
+    __FLOG(_L8("CMdnsQueryPublishNotifier::SetState - Entry"));
+    iState = aState;
+    __FLOG(_L8("CMdnsQueryPublishNotifier::SetState - Exit"));
+    }
+
+/*
+ * Returns the service notifier is  in 
+ * @return iState returns the state. 
+ */
+TMdnsServerMessages CMdnsQueryPublishNotifier::State() const 
+    {
+    __FLOG(_L8("CMdnsQueryPublishNotifier::State - Entry"));
+    return iState;
+    __FLOG(_L8("CMdnsQueryPublishNotifier::State - Exit"));
+    }