--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zeroconf/cachemanager/inc/cmdnsprobemanager.h	Thu Jun 24 19:09:47 2010 +0530
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+#ifndef CMDNSPROBEMANAGER_H_
+#define CMDNSPROBEMANAGER_H_
+
+#include <e32base.h>
+#include <in_sock.h>
+
+class CMDNSProbeManager : public CTimer
+	{	
+	public:
+
+	/*Conflict can happen in 2 cases , 
+	 * Case 1: When the Address Record (Type A) is inconsistent, i.e., same
+	 * host name for different Ip addresses
+	 * Case 2: When the Service Record (Type SRV), is conflicting, two hosts try to
+	 * acquire the same service name with the same service type., and same 
+
+	/*Case 1:To get Unique Host Name ; to handle Host name conflict, 
+	 * we need the acquired host name & IPAddress*/
+	static CMDNSProbeManager* NewL(RBuf& aHostName, TInetAddr aAddr);
+	static CMDNSProbeManager* NewLC(RBuf& aHostName, TInetAddr aAddr);
+
+	/*To get Unique Service Name; to handle service name conflict, 
+	 * we need acquired service name & host name*/
+	static CMDNSProbeManager* NewL(RBuf& aServiceName,RBuf& aHostName);
+	static CMDNSProbeManager* NewLC(RBuf& aServiceName,RBuf& aHostName);
+
+	~CMDNSProbeManager();
+
+	private:
+
+	void RunL();
+	TInt RunError(TInt aError);
+
+	private:
+
+	TBool CheckForUniqueness();
+
+	void DefensiveResponseReceived();//Get a unique name (DNS Label)
+
+	void SendProbeL(); //Probe for Unique name , Create Probe and Send 
+	void SendAnnouncementL();//Send out Gratitous mDNS Announcement , Create Announcement and Send
+	void Schedule(); //Self-Complete, To be called when moved to Probe State.
+
+	void Delay(TUint32 aDelayTime/*In Milliseconds*/); //To introduce Delay between Probes.	
+
+	CMDNSProbeManager (RBuf& aHostName, TInetAddr aAddr);
+	CMDNSProbeManager (RBuf& aServiceName,RBuf& aHostName);
+	void ConstructL();
+
+	private:
+
+	enum TProbeStates
+	{
+	EIdle,
+	EProbeBegin,
+	EProbeFirstUnicast,
+	EProbeSecondUnicast,
+	EProbeMulticast,
+	EProbeComplete,
+	EFirstAnnouncement,//First gratuitous mDNS announcement
+	ESecondAnnouncement//Second gratuitous mDNS announcement
+	};
+
+	
+	TInetAddr iAddr;
+
+	TProbeStates iCurrentProbeState;
+
+	//MDNSCacheInterface* iCache;
+	
+	};
+
+#endif /*CMDNSPROBEMANAGER_H_*/