// 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:

//

/**

 @file

 @internalTechnology

*/

#include <e32std.h>

#include <e32base.h>

#include <e32cons.h>

#include <es_sock.h>

#include <in_sock.h>

#include <commdbconnpref.h>

#include<c32comm.h>

#include "es_enum.h" 

#include <nifman.h>

#include <naptinterface.h>

/**

 * MAC address length

 */

  const TInt KMacAddrLength = 6;

/** 

 * Variables used to configure the DHCP server.

 *

 * @internalTechnology

 */

TText8 KReset[KMacAddrLength]= {0x00,0x00,0x00,0x00,0x00,0x00};

TText8 KAny[KMacAddrLength]= {0xff,0xff,0xff,0xff,0xff,0xff};

//This value has to be changed by user and recompile this code. The value is the MAC address of 

//the machine for which DHCP server has to provide the IP.

TText8 KCurrent[KMacAddrLength]= {0x04,0x13,0x21,0xca,0x78,0xde};

/**

  * Console pointer to display the help and application response.

  *

  * @internalTechnology

  */

CConsoleBase *gConsole;

/** 

 * Function to load the DHCP server.

 *

 * @internalTechnology

 * @param socketServer - client side session of Socket server

 * @param aDhcpServConnection - RConnection to load and configure DHCP server.

 * @return - returns if there are any error, otherwise KErrNone.

 */

TInt LaunchDhcpServ(RSocketServ& socketServer, RConnection& aDhcpServConnection)

	{

	TInt err(KErrNone);

	//Open a subsession with the socket server for the RConnection

	err = aDhcpServConnection.Open(socketServer);

	if(err != KErrNone) return err;

	TCommDbConnPref prefs;

	prefs.SetIapId(12); //IAP 12 is used to launch the DHCP server.

	prefs.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);

	TRequestStatus status;

	aDhcpServConnection.Start(prefs, status); //Loads the DHCP server, if the provided configuration is perfect.

	User::WaitForRequest(status);

	gConsole->Printf(_L("aDhcpServConnection. Start Status %d\n"), status.Int());

	if(status.Int() != KErrNone) return status.Int();

	return KErrNone;

	}

/** 

 * Function to configure DHCP with the received aHwAddr.

 *

 * @internalTechnology

 * @param aDhcpServConnection - RConnection to load and configure DHCP server.

 * @param aHwAddr - Hardware address.

 * @return - returns if there are any error, otherwise KErrNone.

 */

TInt ProvisionDhcpServ(RConnection& aDhcpServConnection, TText8* aHwAddr)

	{

	TRequestStatus status;

	TBuf8<KMacAddrLength> address = TPtrC8(&aHwAddr[0],KMacAddrLength);

	aDhcpServConnection.Ioctl(KCOLConfiguration, KConnDhcpSetHwAddressParams, status, &address);

	User::WaitForRequest(status);

	return status.Int();

	}

/** 

 * Function to stop DHCP server.

 *

 * @internalTechnology

 * @param aDhcpServConnection - RConnection associated with DHCP server.

 */

void StopInterfacesL(RConnection& aConnection)

	{

	User::LeaveIfError(aConnection.Stop());

	aConnection.Close();

	}

/** 

 * Function to stop DHCP server.

 *

 * @internalTechnology

 * @param aDhcpServConnection - RConnection associated with DHCP server.

 */

TInt TestAddressProvisioningL(CConsoleBase* gConsole)

	{

#ifdef _DEBUG	

	User::LeaveIfError(RProperty::Set(KMyPropertyCat, KMyPropertyDestPortv4, 118));

#endif

	RSocketServ socketServer;

    TInt err(KErrNone);

    err = socketServer.Connect();

	if (err != KErrNone) return err;

	RConnection myDhcpServConnection;

    err = LaunchDhcpServ(socketServer, myDhcpServConnection);

	if (err != KErrNone) return err;

	TBool done = EFalse;

	while (!done)

		{

		// Get user command from menu

		gConsole->ClearScreen();

		_LIT(KSelectOption, " Select an option \n\n");

		gConsole->Printf(KSelectOption);

		_LIT(KPossibleSelectionsText, " 1 KAny \n 2 KRest \n 3 Provision \n 4 NoProvisioning \n 5 Quit \n");

		gConsole->Printf(KPossibleSelectionsText);

		TKeyCode key = gConsole->Getch();

		switch (key)

			{

		case '1': 

			err = ProvisionDhcpServ(myDhcpServConnection, KAny);

			if (err != KErrNone) return err;

			gConsole->Printf(_L("DHCP server is in ANY mode.\n"));

			break;

		case '2':

			err = ProvisionDhcpServ(myDhcpServConnection, KReset);

			if (err != KErrNone) return err;

			gConsole->Printf(_L("DHCP server is in RESET mode.\n"));

			break;

		case '3': 

			err = ProvisionDhcpServ(myDhcpServConnection, KCurrent);

			if (err != KErrNone) return err;

			gConsole->Printf(_L("DHCP server is in SPECIFIC mode.\n"));

			break;

		case '4':

			err = ProvisionDhcpServ(myDhcpServConnection, KReset);

			if (err != KErrNone) return err;

			gConsole->Printf(_L("DHCP server is in RESET mode.\n"));

			break;

		case '5':

		done = ETrue;

			break;

		default:

			break;

			}

		gConsole->Printf(_L("Press any key to next.\n"));

		gConsole->Getch();

		} // while

    StopInterfacesL(myDhcpServConnection);

    gConsole->Printf(_L("Basic DHCP testing finished .....\n"));	

	return KErrNone;

	}

/** 

 * Function to triggers the test cases.

 *

 * @internalTechnology

 * @return - Returns error if any, otherwise KErrNone.

 */

TInt TestConsoleL()

	{

	gConsole = Console::NewL(_L("PREQ1872 DHCP Unit Test Console"), TSize(KConsFullScreen, KConsFullScreen));

	CleanupStack::PushL(gConsole);

	TInt err = TestAddressProvisioningL(gConsole);

	CleanupStack::PopAndDestroy(gConsole);

	return err;

	}

/** 

 * Main function

 *

 * @internalTechnology

 * @return - Returns 0.

 */

GLDEF_C TInt E32Main()

	{

	__UHEAP_MARK;

	CTrapCleanup * trap = CTrapCleanup::New();

	TRAPD(err,TestConsoleL());

	delete trap;

	__UHEAP_MARKEND;

	return err;

	}