diff -r 78fbd574edf4 -r da856f45b798 zeroconf/client/src/cpnpservicediscovery.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zeroconf/client/src/cpnpservicediscovery.cpp	Thu Jun 24 19:09:47 2010 +0530
@@ -0,0 +1,182 @@
+// 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:
+// cpnpservicediscovery.cpp
+// 
+//
+//System include
+#include <connpref.h>
+
+//User include
+#include "CMDnsServiceDiscoveryImpl.h"
+#include "pnp/mpnpobserver.h"
+__FLOG_STMT(_LIT8(KComponent,"CMDnsServiceDiscoveryImpl");)
+/*
+ * Constructor.
+ */
+CMDnsServiceDiscoveryImpl::CMDnsServiceDiscoveryImpl ()
+	{
+	}
+/*
+ * Two phase constructor
+ */
+CMDnsServiceDiscoveryImpl* CMDnsServiceDiscoveryImpl::NewL()
+	{
+	CMDnsServiceDiscoveryImpl* self = new (ELeave) CMDnsServiceDiscoveryImpl;
+	return self;
+	}
+
+/*
+ * Destructor
+ */
+CMDnsServiceDiscoveryImpl::~CMDnsServiceDiscoveryImpl ()
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	iMdns.Close();
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	__FLOG_CLOSE;
+	}
+
+/*
+ *  Explicitly start the connection
+ *  Read the iap using RConnection and send the same to the RMdns.
+ *  @param aTierId implementation uid of the plugin
+ */
+TInt CMDnsServiceDiscoveryImpl::Construct( TUint aTierId )
+	{
+	__FLOG_OPEN(KMDNSSubsystem, KComponent);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	RSocketServ sockServ;
+	RConnection connection;
+	User::LeaveIfError(sockServ.Connect());
+	    User::LeaveIfError(connection.Open(sockServ));
+	    
+	    // start a connection, and grab the IAP ID
+	    User::LeaveIfError(connection.Start());
+	    
+	    TUint32 iap ;
+	    _LIT(KCommdbIapSetting, "IAP\\Id");
+	    User::LeaveIfError(connection.GetIntSetting(KCommdbIapSetting, iap));
+	iMdns.Open(iap);
+	connection.Close();
+	sockServ.Close();
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	return KErrNone;
+	}
+
+/*
+ * Any query request will be handled by this.
+ * @param aServiceInfo parameter bundle which contains the query.
+ */
+void CMDnsServiceDiscoveryImpl::Discover ( const RPnPParameterBundle& aServiceInfo )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	TRAPD( err, DiscoverL( aServiceInfo ));
+	if(err != KErrNone )
+		aServiceInfo.PnPObserver()->OnPnPError(err);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+/*
+ * Any query request will be handled by this.
+ * @param aServiceInfo parameter bundle which contains the query.
+ */
+void CMDnsServiceDiscoveryImpl::DiscoverL ( const RPnPParameterBundle& aServiceInfo )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	iMdns.QueryL(aServiceInfo);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+/*
+ * Not supported in ZeroConf.
+ */
+void CMDnsServiceDiscoveryImpl::Describe(  const RPnPParameterBundle& aServiceInfo )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	TRAPD( err, DescribeL( aServiceInfo ));
+	if(err != KErrNone )
+		aServiceInfo.PnPObserver()->OnPnPError(err);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+/*
+ * Not supported in ZeroConf.
+ */
+void CMDnsServiceDiscoveryImpl::DescribeL ( const RPnPParameterBundle& /*aServiceInfo*/ )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	User::Leave(KErrNotSupported);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+/*
+ * Not supported in ZeroConf.
+ */
+void CMDnsServiceDiscoveryImpl::Subscribe ( const RPnPParameterBundle& aServiceInfo )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	TRAPD( err, SubscribeL( aServiceInfo ));
+	if(err != KErrNone )
+		aServiceInfo.PnPObserver()->OnPnPError(err);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+/*
+ * Not supported in ZeroConf.
+ */
+void CMDnsServiceDiscoveryImpl::SubscribeL ( const RPnPParameterBundle& /* aServiceInfo*/ )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	User::Leave(KErrNotSupported);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+/*
+ * Client intersted in any new service to be notified, will call this.
+ * @param aServiceInfo parameter bundle which contains the ptr domain name client is intersted in.
+ */
+void CMDnsServiceDiscoveryImpl::RegisterNotify(  const RPnPParameterBundle& aServiceInfo )//done
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	TRAPD( err, RegisterNotifyL( aServiceInfo ));
+	if(err != KErrNone )
+		aServiceInfo.PnPObserver()->OnPnPError(err);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+// Used to register for advertisements of specific service type 
+void CMDnsServiceDiscoveryImpl::RegisterNotifyL ( const RPnPParameterBundle& aServiceInfo )//done
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	iMdns.WaitForNotificationL(aServiceInfo);
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+/* Used to cancel previous requests of services. */
+void CMDnsServiceDiscoveryImpl::Cancel ( const RPnPParameterBundle& aServiceInfo )//done
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	//Ignore the error.
+	TRAP_IGNORE(iMdns.Cancel(aServiceInfo));
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	}
+
+
+/*
+ * Not supported in ZeroConf.
+ */
+CControlChannelBase*  CMDnsServiceDiscoveryImpl::InitiateControlL (const TDesC8& /*aUri*/ )
+	{
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Entry"));
+	__FLOG(_L8("CMDnsServiceDiscoveryImpl:: - Exit"));
+	return NULL;
+	}
+