networkprotocols/dnsproxy/dnsproxyserver/inc/dnsproxyservconf.h
changeset 0 af10295192d8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/dnsproxy/dnsproxyserver/inc/dnsproxyservconf.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,94 @@
+//dnsproxyserconf.h
+/*
+* 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:
+* dnsproxyserconf.h - Dns Engine class
+* @file
+* @internalTechnology
+*
+*/
+
+
+
+
+#ifndef __DNSPROXYSERVCONF_H__
+#define __DNSPROXYSERVCONF_H__
+
+#include <in_sock.h>
+#include <commdbconnpref.h>
+#include <e32cmn.h>
+#include <es_enum_internal.h>
+#include "es_enum.h"
+
+//Forward declaration
+class CDnsProxyEngine;
+
+const TInt KDnsServerScopeGlobal 	= 0x0E;
+const TInt KDnsServerListLen 		= 2;
+const TInt KIpAddr 					= 80;
+
+
+/**
+*Defines an element in the DNS server list.This holds DNS server information
+*TDnsServerInfo consists of DNS server address, scope, server id,
+*and name
+**/
+class TDnsServerInfo 
+	{
+public:
+	TInetAddr iAddr;			           //< DNS Server Address
+	TInt iScope;				           //< The Sever Scope and type (MC/UC)
+	TName iName;                           //< Name   
+	TUint32 iIapId;                        //< Iapid for the interface on which DNS address is configured
+	TConnectionInfoBuf iConnInfo;          //< Uplink connection info
+	};
+ 
+/**
+* This class builds and maintains DNS server configuration. The configuration is then used by DNS query session
+* class to forward incoming DNS requests to the external DNS server configured.
+**/
+class CDnsServerConfig:public CActive
+	{
+	public:
+ 	   ~CDnsServerConfig();
+  	   static CDnsServerConfig* NewL(CDnsProxyEngine &aEngine);
+ 	   void BuildGlobalDnsServerListL(TUint32 aIapId);
+  	   void NotifyInterfaceChange();
+   	   TDnsServerInfo* GetDnsServerInfo(TInt aServerIndex);
+  	   TInt GetServerCount() const;
+  	   TBool GetConnectionStatus(TDnsServerInfo& aInfo);
+  	   
+ 	private:
+	    //construction
+	 	CDnsServerConfig(CDnsProxyEngine &aEngine);
+	    void ConstructL();
+	    void AddDnsServerToListL(const TInetAddr &aAddr, RSocket &aSocket, TUint32 aIapId);
+	    
+ 	private:
+ 		void DoCancel();
+ 		void RunL();
+ 		
+ 	public:
+	    RSocketServ iSocketServer;
+	    RConnection iConn;
+	    TInterfaceNotificationBuf info;
+	    RPointerArray<TDnsServerInfo> iServerList;//< Current list of servers
+ 		
+ 	private:
+ 		RSocket 					iSocket;
+	    TUint32                     iServerCount;
+	    CDnsProxyEngine&            iProxyEngine;
+	};
+	
+#endif /*__DNSPROXYSERVCONF_H__*/