www.pudn.com > Myudptest.rar > udptestDlg.cpp

// 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	BUFFER_LEN 8192 
unsigned char RcvBuffer[BUFFER_LEN]; 
unsigned int port; 
int m_rcvport=2100; 
 
CString GetLocalIP(int ipIndex) 
{ 
	//获取版本和本机IP地址 获取本机第ipIndex个IP地址 
	char r_iplist[16][256]; 
	int i=0; 
	 
	WORD wVersionRequested; 
	WSADATA wsaData; 
	char name[255]; 
	PHOSTENT hostinfo; 
	wVersionRequested = MAKEWORD( 2, 0 ); 
	if ( WSAStartup( wVersionRequested, &wsaData ) == 0 ) 
	{ 
		if( gethostname ( name, sizeof(name)) == 0) 
		{ 
			if((hostinfo = gethostbyname(name)) != NULL) 
			{ 
				 
				for (i=0;i<16; i++ ) 
				{ 
					_tcscpy(r_iplist[i], inet_ntoa( *(IN_ADDR*)hostinfo->h_addr_list[i] )); 
					if ( hostinfo->h_addr_list[i] + hostinfo->h_length >= hostinfo->h_name ) 
						break; 
				} 
				//ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list); 
			} 
		} 
		WSACleanup(); 
	} 
	return r_iplist[ipIndex]; 
} 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
		// No message handlers 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CUdptestDlg dialog 
 
CUdptestDlg::CUdptestDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CUdptestDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CUdptestDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CUdptestDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CUdptestDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CUdptestDlg, CDialog) 
	//{{AFX_MSG_MAP(CUdptestDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1) 
	ON_WM_TIMER() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CUdptestDlg message handlers 
 
BOOL CUdptestDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	//CIPAddressCtrl* pWnd=(CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS1); 
	//pWnd->SetWindowText("127.0.0.1"); 
	CString strIP=GetLocalIP(0); 
	SetDlgItemText(IDC_IPADDRESS1,strIP); 
 
	m_MySocket=new MySocket(this); 
	m_MySocket->Create(m_rcvport,SOCK_DGRAM); 
 
	SetTimer(100,200,0); 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CUdptestDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// 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(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CUdptestDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CUdptestDlg::OnReceive(MySocket *psock) 
{ 
	int datalength; 
	CString SAddress; 
	datalength=psock->ReceiveFrom(RcvBuffer,BUFFER_LEN,SAddress,port,0); 
} 
 
BOOL CUdptestDlg::DestroyWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	 
	delete m_MySocket; 
	return CDialog::DestroyWindow(); 
} 
 
void CUdptestDlg::OnButton1()  
{ 
	// TODO: Add your control notification handler code here 
	CString strIP; 
	GetDlgItemText(IDC_IPADDRESS1,strIP); 
	char Buffer[256]; 
	Buffer[0]=0x55; 
	Buffer[1]=0xAA; 
	m_MySocket->SendTo(Buffer,256,2100,strIP,0); 
} 
 
void CUdptestDlg::OnTimer(UINT nIDEvent)  
{ 
	// TODO: Add your message handler code here and/or call default 
	//刷新实时数据显示 
	CString strTemp; 
	strTemp.Format("%02x %02x %02x %02x %02x %02x %02x %02x",RcvBuffer[0],RcvBuffer[1],RcvBuffer[2],RcvBuffer[3],RcvBuffer[4],RcvBuffer[5],RcvBuffer[6],RcvBuffer[7]); 
	strTemp.MakeUpper(); 
	SetDlgItemText(IDC_EDIT1,strTemp); 
	CDialog::OnTimer(nIDEvent); 
}