// Copyright (c) 2002-2009 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:

// Contain the implementation of the class for this null agent test

// 

//

#include "NullAgentTestSteps.h"

#include "dummynifvar.h"

#include "in_sock.h"

CTestStepNullAgtLoopbackTest::CTestStepNullAgtLoopbackTest(TPtrC aName)

{

	iTestStepName=aName;

}

enum TVerdict CTestStepNullAgtLoopbackTest::doTestStepL(void)

{

	__UHEAP_MARK;

	TInt r;                // the result of various operations

	TRequestStatus status; // status of asynchronous ops

	RSocketServ server;    // connection paraphanelia

	RConnection connection;

	RSocket socket;

	TInetAddr dest;

	dest.SetAddress(KDummyNifLocalAddressBase + 4);

	dest.SetPort(KPortNo);

	TBuf8<KBufferLength> buffer;

	// connect to the socket server

	r = server.Connect();

	TESTEL(r == KErrNone, r);

	CleanupClosePushL(server);

	// this is why we needed a socket server...

	r = connection.Open(server, KAfInet);

	TESTEL(r == KErrNone, r);

	CleanupClosePushL(connection);

	// start the connection up (outgoing)

	connection.Start(status);

	User::WaitForRequest(status);

	TESTEL(status.Int() == KErrNone, status.Int());

	// open a udp socket

	r = socket.Open(server, KAfInet, KSockDatagram, KProtocolInetUdp);

	TESTEL(r == KErrNone, r);

	CleanupClosePushL(socket);

	TESTL(socket.SetOpt(KSoReuseAddr, KSolInetIp, 1)==KErrNone);

	// set the source port number - otherwise will panic cos it's zero

	r = socket.SetLocalPort(KPortNo);

	TESTEL(r == KErrNone, r);

	// build some data to send on the socket

	// this is an ICMP ping request apparently

	buffer.SetMax();

	buffer.FillZ();

	buffer[0] = (TUint8) 0x8;		// ICMP type = 8

	buffer[1] = (TUint8) 0x0;		// ICMP code = 0

	buffer[2] = (TUint8) 0xF7;		// ICMP checksum high byte

	buffer[3] = (TUint8) 0xFF;		// ICMP checksum low byte

	// NB the rest of the buffer is zero

	// hence the checksum (0xFFFF - 0x800) since 0x8

	// is the only non-zero element of the buffer

	// send the data out over the socket

	socket.SendTo(buffer, dest, 0, status);

	User::WaitForRequest(status);

	TESTEL(status.Int() == KErrNone, status.Int());

	buffer.Zero();

	// I expect to get the data looped back from the dummy NIF

	socket.RecvFrom(buffer, dest, 0, status);

	User::WaitForRequest(status);

	TESTEL(status.Int() == KErrNone, status.Int());

	// check that what we sent is what we got back

	if (status.Int() == KErrNone)

	{

		// if the receive times out and we access buffer we get a panic

		TEST(buffer[0] == 0x08);

		TEST(buffer[1] == 0x00);

		TEST(buffer[2] == 0xF7);

		TEST(buffer[3] == 0xFF);

	}

	// close the socket

	socket.Shutdown(RSocket::ENormal, status);

	User::WaitForRequest(status);

	TESTEL(status.Int() == KErrNone, status.Int());

	CleanupStack::Pop();

	// force the destruction of the connection

	r = connection.Stop();

	TESTEL(r == KErrNone, r);

	CleanupStack::Pop();

	// close the socket server

	server.Close();

	CleanupStack::Pop();

	__UHEAP_MARKEND;

	return iTestStepResult;

}