--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/dnsproxy/dnsproxyserver/src/dnsproxysession.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,274 @@
+// 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:
+// dnsproxyserver.cpp
+// Source file for the DNS Proxy server side implementation.
+// DNS Proxy client session handler code.
+//
+
+
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include "dnsproxysession.h"
+#include "dnsproxyclientconfigparams.h"
+#include "dnsproxylog.h"
+#include <e32debug.h>
+
+CDnsProxyServerSession* CDnsProxyServerSession::NewL()
+/**
+ * Factory method for CDnsProxyServerSession.
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::NewL Entry\n");
+    CDnsProxyServerSession* self = new (ELeave)CDnsProxyServerSession;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    __LOG("\n CDnsProxyServerSession::NewL Exit\n");
+    return self;
+    }
+
+ void CDnsProxyServerSession::ConstructL()
+ /**
+  * 2nd phase c'tor for CDnsProxyServerSession.
+  *
+  * @internalTechnology
+  **/
+    {
+    __LOG("\n CDnsProxyServerSession::ConstructL Entry\n");
+    iProxyEngine = CDnsProxyEngine::GetInstanceL();
+    __LOG("\n CDnsProxyServerSession::ConstructL Exit\n");
+
+    }
+
+CDnsProxyServerSession::CDnsProxyServerSession(): iProxyEngine(NULL), iIsEngineStarted(EFalse)
+/**
+ * Standard constructor for CDnsProxyServerSession.
+ *
+ * @internalTechnology
+ **/
+    {
+    }
+
+CDnsProxyServerSession::~CDnsProxyServerSession()
+/**
+ * Standard destructor for CDnsProxyServerSession.
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::~CDnsProxyServerSession Entry\n");
+    const CDnsProxyServer* server = static_cast<const CDnsProxyServer*>(Server());
+
+	//this condition is added to avoid panic when there is no memory
+    if(NULL != server)
+		{
+		server->DecreaseSessionCount(*this);
+		}
+    __LOG("\n CDnsProxyServerSession::~CDnsProxyServerSession Exit\n");
+    }
+
+void CDnsProxyServerSession::ServiceL(const RMessage2& aMessage)
+/**
+ * ServiceL method implemented by derived class
+ *
+ * @param - aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+	{
+	TRAPD(err,DoServiceL(aMessage));
+	if (err != KErrNone)
+		{
+		if (!iMessage.IsNull())
+			iMessage.Complete(err);
+		}
+	}
+
+void CDnsProxyServerSession::DoServiceL(const RMessage2& aMessage)
+/**
+ * This is command handler function which handles and services client requests.
+ *
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+    TInt err;
+    switch (aMessage.Function())
+        {
+        // Handle start command
+        case EProxyConfigure:
+        	iMessage = aMessage;
+        	__LOG("***CDnsProxyServerSession: StartDnsEngine - Start****")
+           err = StartDnsEngine(iMessage);
+        	__LOG("***CDnsProxyServerSession: StartDnsEngine - End****")
+            if(err!=KErrNone)
+            	iMessage.Complete(err);
+            else
+            	iMessage.Complete(KErrNone);
+            break;
+
+       // Add DB command
+        case EProxyAddDb:
+        	iMessage = aMessage;
+        	__LOG("***CDnsProxyServerSession: UpdateDatabaseL - Start****")
+            err = UpdateDatabaseL(iMessage);
+	        __LOG("***CDnsProxyServerSession: UpdateDatabaseL - End****")
+            if(err!=KErrNone)
+            	iMessage.Complete(err);
+            else
+            	iMessage.Complete(KErrNone);
+            break;
+
+        // Remove DB command
+        case EProxyRemoveDb:
+        	iMessage = aMessage;
+        	__LOG("***CDnsProxyServerSession: RemoveDbEntry - Start****")
+            err = RemoveDbEntry(iMessage);
+        	__LOG("***CDnsProxyServerSession: RemoveDbEntry - End****")
+
+            if(err!=KErrNone)
+            	iMessage.Complete(err);
+            else
+            	iMessage.Complete(KErrNone);
+            break;
+
+        // Handle Update domain name
+        case EProxyUpdateDomainName:
+            iMessage = aMessage;
+        	__LOG("***CDnsProxyServerSession: UpdateDomainName - Start****")
+            err = UpdateDomainName(iMessage);
+        	__LOG("***CDnsProxyServerSession: UpdateDomainName - End****")
+            if(err!=KErrNone)
+            	iMessage.Complete(err);
+            else
+            	iMessage.Complete(KErrNone);
+            break;
+
+        case EProxyConfigureUplink:
+        	iMessage = aMessage;
+        	__LOG("***CDnsProxyServerSession: UpdateUplinkConfig - Start****")
+            err = UpdateUplinkConfig(iMessage);
+        	__LOG("***CDnsProxyServerSession: UpdateUplinkConfig - End****")
+            if(err!=KErrNone)
+            	iMessage.Complete(err);
+            else
+            	iMessage.Complete(KErrNone);
+            break;
+	        // This should never happen.
+        default:
+        	iMessage = aMessage;
+            iMessage.Complete(KErrNotSupported);
+            break;
+        }
+    }
+
+TInt CDnsProxyServerSession::StartDnsEngine(const RMessage2& aMessage)
+/**
+ * This method starts the DNS proxy engine, creates an engine instance
+ * and start DNS proxy server.
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+     __LOG("\n CDnsProxyServerSession::StartDNSEngine \n");
+     iIsEngineStarted = ETrue;
+     __LOG1("\niProxyEngine adress = %d \n",iProxyEngine);
+     return iProxyEngine->Start(aMessage);
+    }
+
+void CDnsProxyServerSession::StopDNSEngine()
+/**
+ * This method stops and cleans up DNS proxy.
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+	if((iProxyEngine)&& (iIsEngineStarted))
+        {
+        iProxyEngine->Stop();
+        }
+     iIsEngineStarted = EFalse;
+     delete iProxyEngine;
+    }
+
+TInt CDnsProxyServerSession::UpdateDatabaseL(const RMessage2& aMessage)
+/**
+ * This method is used for DNS Proxy database implementation from ECOM plugin
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::UpdateDatabaseL \n");
+    __LOG1("\n iProxyEngine %d \n", iProxyEngine);
+    return iProxyEngine->AddDbEntryL(aMessage);
+    }
+TInt CDnsProxyServerSession::RemoveDbEntry(const RMessage2& aMessage)
+/**
+ * This method is used for DNS Proxy database implementation from ECOM plugin
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::RemoveDbEntry \n");
+    return iProxyEngine->RemoveDbEntry(aMessage);
+    }
+
+TInt CDnsProxyServerSession::UpdateDomainName(const RMessage2& aMessage)
+/**
+ * This method is used for DNS Proxy database implementation from ECOM plugin
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::UpdateDomainName \n");
+    return iProxyEngine->UpdateDomainInfo(aMessage);
+    }
+TInt CDnsProxyServerSession::UpdateUplinkConfig(const RMessage2& aMessage)
+/**
+ * This method is used to set uplink information
+ * @param aMessage - command send by the client
+ * @return - None
+ *
+ * @internalTechnology
+ **/
+    {
+    __LOG("\n CDnsProxyServerSession::UpdateUplinkConfig \n");
+    //if engine is not created,return KErrNotReady.
+    TInt err;
+    if(!iProxyEngine)
+    	err = KErrNotReady;
+    else
+        err = iProxyEngine->SetUplinkConnectionInfo(aMessage);
+    return err;
+    }
+