--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zeroconf/server/inc/cmdnsprobemanager.h	Thu Jun 24 19:09:47 2010 +0530
@@ -0,0 +1,132 @@
+// 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:
+// cmdnsprobemanager.h
+// 
+//
+#ifndef CMDNSPROBEMANAGER_H_
+#define CMDNSPROBEMANAGER_H_
+
+#include <e32base.h>
+#include <in_sock.h>
+#include "mdnscachemgr.h"
+#include "cmessagehandler.h"
+#include "mmessagehandler.h"
+#include "mdnsdebug.h"
+
+const TUint32 KProbeDelay = 250;
+
+const TUint32 KMaxFailures = 15;
+
+const TUint16 KMaxLength = 255;
+
+/*Maximum Length allocated for the service name part of the ServiceInstanceName
+excluding the service type*/
+const TUint16 KMaxNameLength = 128;
+enum TConflictResolveState	
+	{
+	ESuccess=0,
+	EConflictWithAutoReslove,
+	EConflictWithoutAutoResolve,
+	EFail,
+	};
+enum TProbeStates
+    {
+    EIdle,
+    EStart,
+    EProbeBegin,    
+    EProbeFirstUnicast,
+    EProbeSecondUnicast,
+    EProbeMulticast,
+    EProbeComplete,
+    EFirstAnnouncement,//First gratuitous mDNS announcement
+    ESecondAnnouncement//Second gratuitous mDNS announcement
+    };
+
+class CMDNSProbeManager : public CTimer,public MMessageHandler
+	{	
+	public:
+
+	/*Probe Handler to probe for Unique Host Name*/
+	static CMDNSProbeManager* NewL(MDNSCacheMgr& aCache,CMessageHandler& aMessageHandler,TBool aAutoResolveEnabled);
+	/*Probe Handler to probe for Service Instance Name*/
+	static CMDNSProbeManager* NewLC(MDNSCacheMgr& aCache,CMessageHandler& aMessageHandler,TBool aAutoResolveEnabled);
+
+	~CMDNSProbeManager();
+
+	//From MMessageHandler
+	void OnPacketSendL(TInt aError);
+
+	
+	TInt StartNameProbeL(const TDesC8&aHostName,TInetAddr aAddr);
+	TInt StartServiceProbeL(const TDesC8& aServiceName,const TDesC8& aTargetMachine,TUint16 aPort);
+
+	//Called if Auto Resolve Enabled,Probe Manager would have obtained new name
+	const TDesC8& GetUniqueName(); 
+
+	private:
+
+	void RunL();
+	TInt RunError(TInt aError);
+
+	private:
+
+	CRdTypeA* FormAddressRecordL();
+	CRdTypeSrv* FormServiceRecordL();
+	
+	void InsertInCache();
+
+	TInt GenerateNonConflictingName();
+
+	TBool DefensiveResponseL();//Get a unique name (DNS Label)
+	
+	void Schedule();
+
+	void SendProbeL(TBool aUnicast); //Probe for Unique name , Create Probe and Send 
+	void SendAnnouncementL();//Send out Gratitous mDNS Announcement , Create Announcement and Send
+
+	CMDNSProbeManager (MDNSCacheMgr& aCache,CMessageHandler& aMessageHandler,TBool aAutoResolveEnabled);
+
+	void ConstructL();
+
+
+	private:
+
+	
+
+	TProbeStates iCurrentProbeState;
+	TConflictResolveState iConflict;
+
+	TInt iProbeCounter;
+
+	MDNSCacheMgr& iCache;
+
+	TBool iAutoResolveEnabled;
+
+	CMessageHandler& iMessageHandler;
+
+	TDnsType iType;
+	RBuf8 iName;
+	RBuf8 iProbeName;
+	RBuf8 iProbeType;
+	TInetAddr iAddr;
+	TUint16 iPort;
+	RBuf8 iTarget;
+	/**
+	    *FLOGGER debug trace member variable.
+	    */
+	    __FLOG_DECLARATION_MEMBER_MUTABLE;
+
+	};
+
+#endif /*CMDNSPROBEMANAGER_H_*/