// PingSocket.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "PingSocket.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPingSocket

CPingSocket::CPingSocket()
{
}

CPingSocket::~CPingSocket()
{
	Close();
}


// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CPingSocket, CSocket)
	//{{AFX_MSG_MAP(CPingSocket)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

/////////////////////////////////////////////////////////////////////////////
// CPingSocket member functions


void CPingSocket::OnReceive(int nErrorCode) 
{
	// TODO: Add your specialized code here and/or call the base class
	timeval TimeOut = {0L, 0L};
	SOCKET hSocket = m_hSocket;
	fd_set readfds;
	FD_ZERO(&readfds);
	FD_SET(hSocket, &readfds);

	// Test the socket for read pending
	if (!select(0, &readfds, (fd_set *)0, (fd_set *)0, &TimeOut))
		return ;                  // Time out

	// Test wether it is a pending for read
	if (!FD_ISSET(hSocket, &readfds))
		return;

	// Read the echo
	char chBuf[100];
	UINT uPort;
	CString rSocketAddress;
	
	ReceiveFrom(chBuf, 100, rSocketAddress, uPort, 0);

	CSocket::OnReceive(nErrorCode);
}