udptestdlg.cpp

UDP通信测试程序

// UDPTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "UDPTest.h"
#include "UDPTestDlg.h"

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

#define   MSG_PRINTCONSOLE			WM_USER + 334
/////////////////////////////////////////////////////////////////////////////
// CUDPTestDlg dialog
void PrintConsole(char *format,...);

CUDPTestDlg::CUDPTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CUDPTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CUDPTestDlg)
	m_IPAddress = _T("172.19.18.51");
	m_LocalAddress = _T("172.19.18.51");
	m_Port = 7543;
	m_LocalPort = 7543;
	m_AnyPort = FALSE;
	m_bListenIP = FALSE;
	m_ListenIPAddress = _T("172.19.18.51");
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CUDPTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CUDPTestDlg)
	DDX_Control(pDX, IDC_STOP, m_StopBtn);
	DDX_Control(pDX, IDC_START, m_StartBtn);
	DDX_Control(pDX, IDE_MSG, m_hMsg);
	DDX_Text(pDX, IDC_IPADDR, m_IPAddress);
	DDX_Text(pDX, IDC_LOCALIPADDR, m_LocalAddress);
	DDX_Text(pDX, IDC_PORT, m_Port);
	DDX_Text(pDX, IDC_LOCALPORT, m_LocalPort);
	DDX_Check(pDX, IDC_CHECK1, m_AnyPort);
	DDX_Check(pDX, IDC_CHKLESTEN, m_bListenIP);
	DDX_Text(pDX, IDC_LISTENIP, m_ListenIPAddress);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CUDPTestDlg, CDialog)
	//{{AFX_MSG_MAP(CUDPTestDlg)
	ON_MESSAGE(MSG_PRINTCONSOLE,OnPrintConsole)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_START, OnStart)
	ON_BN_CLICKED(IDC_STOP, OnStop)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUDPTestDlg message handlers
void CUDPTestDlg::OnPrintConsole(WPARAM wparam,LPARAM lparam)
{
	int  slen =  strlen((char*) lparam );
	char *pBuff = new char[slen +2];
	if( NULL == pBuff )
		return;

	strcpy( pBuff, (char *)lparam );

	if('\n' == pBuff[slen -1 ]  )
	{

		*(pBuff + slen - 1) = 0x0d;
		*(pBuff + slen ) = 0x0a;
		*(pBuff + slen + 1) = '\0';
	}
	int linecount = m_hMsg.GetLineCount();
	if(linecount>200)
	{
		m_hMsg.SetSel(0,m_hMsg.GetWindowTextLength ());
	}
	else
	{
		m_hMsg.SetSel(m_hMsg.GetWindowTextLength (),-1);
	}
	m_hMsg.ReplaceSel (pBuff);

	delete pBuff;
	return;
}

BOOL CUDPTestDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CUDPTestDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

HCURSOR CUDPTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void PrintConsole(char *format,...)
{
	CWnd *fMainWnd = NULL;
	fMainWnd = AfxGetApp()->m_pMainWnd;
	if (! fMainWnd)
	{
		return;
	}

	CString MsgStr= "";
	va_list args;
	va_start(args, format);
	MsgStr.FormatV(format, args);

	CString tmpstr;
	char	*fInfo = NULL;
	time_t now = time(0);
	struct tm *ts = localtime(&now);
	if (!ts) return ;
	tmpstr.Format ("%02d:%02d:%02d  ",ts->tm_hour, ts->tm_min, ts->tm_sec ); 

	MsgStr = tmpstr  + MsgStr + "\n";
	fMainWnd->SendMessage (MSG_PRINTCONSOLE,(WPARAM) 0,(LPARAM)(LPCTSTR)MsgStr );
}

void CUDPTestDlg::OnStart() 
{
	// TODO: Add your control notification handler code here
	WORD    wVersionRequested ;
	WSADATA wsaData ;
	wVersionRequested = MAKEWORD( 2, 0 ) ;
	if( WSAStartup( wVersionRequested, &wsaData ) != 0 )
	{
		PrintConsole("WSAStartup() initialize fail!\n");
		return;
	}
	UpdateData(true);
	socketID = ::socket( AF_INET, SOCK_DGRAM, 0 ) ;

	int recvbuff = 128*1024 ;
	int sendbuff = 128*1024 ;
	setsockopt( socketID, SOL_SOCKET, SO_RCVBUF, (char *)&recvbuff, sizeof(recvbuff) ) ;
	setsockopt( socketID, SOL_SOCKET, SO_SNDBUF, (char *)&sendbuff, sizeof(sendbuff) ) ;
	
	unsigned long  icmd = 1;
#ifdef WIN32
	BOOL bOption = FALSE ;
	if( SOCKET_ERROR == setsockopt( socketID,SOL_SOCKET,SO_REUSEADDR,(char *)&bOption, sizeof(BOOL) ))
		errNo = WSAGetLastError();
	bOption = TRUE ;
	if ( SOCKET_ERROR==setsockopt( socketID,SOL_SOCKET,SO_BROADCAST,(char *)&bOption,sizeof(BOOL) ) )
		errNo = WSAGetLastError();
	ioctlsocket( socketID, FIONBIO, &icmd ) ;
#else
	int on  =0;
	setsockopt(socketID,SOL_SOCKET,SO_REUSEADDR,(char *)&on,sizeof(on));
	on = 1;
	setsockopt( socketID,SOL_SOCKET,SO_BROADCAST,(char *)&on,sizeof(on));
	ioctl( socketID, FIONBIO, &icmd ) ;
#endif

	sockaddr_in address ;

	memset( &address , 0 , sizeof(sockaddr_in) ) ;
	address.sin_family      = AF_INET;
	if(m_AnyPort)
		address.sin_port    = INADDR_ANY;
	else
		address.sin_port    = htons(m_LocalPort) ;
	address.sin_addr.s_addr	= INADDR_ANY ;
	if( ::bind (socketID, (struct sockaddr *)&address, sizeof(sockaddr)) < 0 )
	{
		MessageBox("Open UDP fail! Please check IP&Port!");
		OnStop( ) ;	
		return ;
	}
	m_sin_listen_addr.s_addr = inet_addr(m_ListenIPAddress) ;

	PrintConsole("Open UDP OK!");
	m_StartBtn.ShowWindow(SW_HIDE);
	m_StopBtn.ShowWindow(SW_SHOW);
	SetTimer(1,500,NULL);

	CEdit	*thePort = (CEdit*)GetDlgItem(IDC_LOCALPORT);
	thePort->EnableWindow(false);
	thePort = (CEdit*)GetDlgItem(IDC_PORT);
	thePort->EnableWindow(false);
	thePort = (CEdit*)GetDlgItem(IDC_LOCALIPADDR);
	thePort->EnableWindow(false);
	thePort = (CEdit*)GetDlgItem(IDC_IPADDR);
	thePort->EnableWindow(false);
}

void CUDPTestDlg::OnStop() 
{
	// TODO: Add your control notification handler code here
	if( socketID != INVALID_SOCKET )
	{
		#ifdef WIN32
		closesocket( socketID ) ;
		#else
		close( socketID ) ;
		#endif
		socketID = INVALID_SOCKET ;
	}
	KillTimer(1);
	PrintConsole("Close UDP OK!");
	m_StartBtn.ShowWindow(SW_SHOW);
	m_StopBtn.ShowWindow(SW_HIDE);

	CEdit	*thePort = (CEdit*)GetDlgItem(IDC_LOCALPORT);
	thePort->EnableWindow(true);
	thePort = (CEdit*)GetDlgItem(IDC_PORT);
	thePort->EnableWindow(true);
	thePort = (CEdit*)GetDlgItem(IDC_LOCALIPADDR);
	thePort->EnableWindow(true);
	thePort = (CEdit*)GetDlgItem(IDC_IPADDR);
	thePort->EnableWindow(true);
}

void CUDPTestDlg::OnOK() 
{
	// TODO: Add extra validation here
	OnStop();
	CDialog::OnOK();
}

void CUDPTestDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	sockaddr_in remote;
	int sz = sizeof(sockaddr) ;
	char data[512];

	int len = recvfrom( socketID, (char *)data, 512,0, (sockaddr *)&remote, &sz ) ;
	if ( SOCKET_ERROR != len )
	{
		data[len]='\0';
		PrintConsole("Recv form %s,%d,Data:%s",inet_ntoa(remote.sin_addr),ntohs(remote.sin_port),data);
		if(strstr(data,"Yes")!=NULL)
			PrintConsole("Recv form %s,%d,Data:%s",inet_ntoa(remote.sin_addr),ntohs(remote.sin_port),data);
		if((m_bListenIP == FALSE)||(m_bListenIP && remote.sin_addr.s_addr == m_sin_listen_addr.s_addr))
			PrintConsole("Recv form %s,%d,DataLen:%d",inet_ntoa(remote.sin_addr),ntohs(remote.sin_port),len);

		if(strstr(data,"Can")!=NULL)
		{
			strcpy(data,"Yes!I can receive you!");
			sendto( socketID, data, strlen(data), 0, (struct sockaddr*)&remote, sizeof(sockaddr_in) ) ;
		}
	}
	CDialog::OnTimer(nIDEvent);
}

void CUDPTestDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	sockaddr_in remote ;

	if( socketID == INVALID_SOCKET )
		return ;
	
	UpdateData(true);

	//char Buffer[] ="Can you receive me?";
	char Buffer[] ="123";
	memset( &remote, 0, sizeof(sockaddr_in));
	remote.sin_family = AF_INET  ;
	remote.sin_port	= htons(m_LocalPort) ;
	remote.sin_addr.s_addr = inet_addr(m_LocalAddress) ;

	int len = sendto( socketID, Buffer, strlen(Buffer), 0, (struct sockaddr*)&remote, sizeof(sockaddr_in) ) ;
	if ( SOCKET_ERROR == len )
	{
		PrintConsole("Send OK!");
	}
}