winsockdlg.cpp

MFC网络编程源代码

// WinSockDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WinSock.h"
#include "WinSockDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CWinSockDlg dialog

CWinSockDlg::CWinSockDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWinSockDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWinSockDlg)
	m_strMessage = _T("");
	m_strName = _T("");
	m_iPort = 0;
	m_iType = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWinSockDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWinSockDlg)
	DDX_Control(pDX, IDC_LSENT, m_ctlSent);
	DDX_Control(pDX, IDC_LRECVD, m_ctlRevcd);
	DDX_Control(pDX, IDC_BCONNECT, m_ctlConnect);
	DDX_Text(pDX, IDC_EMSG, m_strMessage);
	DDX_Text(pDX, IDC_ESERVNAME, m_strName);
	DDX_Text(pDX, IDC_ESERVPORT, m_iPort);
	DDX_Radio(pDX, IDC_RCLIENT, m_iType);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWinSockDlg, CDialog)
	//{{AFX_MSG_MAP(CWinSockDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RCLIENT, OnRclient)
	ON_BN_CLICKED(IDC_RSERVER, OnRserver)
	ON_BN_CLICKED(IDC_BCONNECT, OnBconnect)
	ON_BN_CLICKED(IDC_BSEND, OnBsend)
	ON_BN_CLICKED(IDC_BCLOSE, OnBclose)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWinSockDlg message handlers

BOOL CWinSockDlg::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

	m_iType = 0;
	m_strName = "loopback";
	m_iPort = 4000;
	UpdateData(FALSE);
	m_sConnectSocket.SetParent(this);
	m_sListenSocket.SetParent(this);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CWinSockDlg::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 CWinSockDlg::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 CWinSockDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CWinSockDlg::OnRclient() 
{
	// TODO: Add your control notification handler code here
	OnType();
}

void CWinSockDlg::OnType()
{
	UpdateData(TRUE);
	if(m_iType == 0)
		m_ctlConnect.SetWindowText("连接");
	else
		m_ctlConnect.SetWindowText("监听");
}

void CWinSockDlg::OnRserver() 
{
	// TODO: Add your control notification handler code here
	OnType();	
}

void CWinSockDlg::OnBconnect() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	GetDlgItem(IDC_BCONNECT)->EnableWindow(FALSE);
	GetDlgItem(IDC_ESERVNAME)->EnableWindow(FALSE);
	GetDlgItem(IDC_ESERVPORT)->EnableWindow(FALSE);
	GetDlgItem(IDC_STATICNAME)->EnableWindow(FALSE);
	GetDlgItem(IDC_STATICPORT)->EnableWindow(FALSE);
	GetDlgItem(IDC_RCLIENT)->EnableWindow(FALSE);
	GetDlgItem(IDC_RSERVER)->EnableWindow(FALSE);
	GetDlgItem(IDC_STATIC)->EnableWindow(FALSE);

	if(m_iType == 0)
	{
		m_sConnectSocket.Create();
		m_sConnectSocket.Connect(m_strName,m_iPort);
	}
	else
	{
		m_sListenSocket.Create(m_iPort);
		m_sListenSocket.Listen();
	}
}

void CWinSockDlg::OnAccept()
{
	m_sListenSocket.Accept(m_sConnectSocket);

	GetDlgItem(IDC_EMSG)->EnableWindow(TRUE);
	GetDlgItem(IDC_BSEND)->EnableWindow(TRUE);
	GetDlgItem(IDC_STATICMSG)->EnableWindow(TRUE);
}

void CWinSockDlg::OnConnect()
{
	GetDlgItem(IDC_EMSG)->EnableWindow();
	GetDlgItem(IDC_BSEND)->EnableWindow();
	GetDlgItem(IDC_STATICMSG)->EnableWindow();
	GetDlgItem(IDC_BCLOSE)->EnableWindow();
}

void CWinSockDlg::OnSend()
{

}

void CWinSockDlg::OnReceive()
{
	char *pBuf = new char[1025];
	int iBuffSize = 1024;
	int iRcvd;
	CString strRecvd;

	iRcvd = m_sConnectSocket.Receive(pBuf,iBuffSize);

	if(iRcvd == SOCKET_ERROR)
	{
		MessageBox("Error,cann't receive message");
	}
	else
	{
		pBuf[iRcvd] = NULL;
		strRecvd = pBuf;
		m_ctlRevcd.AddString(strRecvd);
		UpdateData(FALSE);
	}
}

void CWinSockDlg::OnClose()
{
	m_sConnectSocket.Close();

	GetDlgItem(IDC_EMSG)->EnableWindow(FALSE);
	GetDlgItem(IDC_BSEND)->EnableWindow(FALSE);
	GetDlgItem(IDC_STATICMSG)->EnableWindow(FALSE);
	GetDlgItem(IDC_BCLOSE)->EnableWindow(FALSE);

	if(m_iType == 0)
	{
		GetDlgItem(IDC_BCONNECT)->EnableWindow(TRUE);
		GetDlgItem(IDC_ESERVNAME)->EnableWindow(TRUE);
		GetDlgItem(IDC_ESERVPORT)->EnableWindow(TRUE);
		GetDlgItem(IDC_STATICNAME)->EnableWindow(TRUE);
		GetDlgItem(IDC_STATICPORT)->EnableWindow(TRUE);
		GetDlgItem(IDC_RCLIENT)->EnableWindow(TRUE);
		GetDlgItem(IDC_RSERVER)->EnableWindow(TRUE);
		GetDlgItem(IDC_STATIC)->EnableWindow(TRUE);
	}
}

void CWinSockDlg::OnBsend() 
{
	// TODO: Add your control notification handler code here
	int iLen;
	int iSent;

	UpdateData(TRUE);

	if(m_strMessage !="")
	{
		iLen = m_strMessage.GetLength();
		iSent = m_sConnectSocket.Send(LPCSTR(m_strMessage),iLen);
		if(iSent == SOCKET_ERROR)
		{
			MessageBox("ERROR,can't send message!");
		}
		else
		{
			m_ctlSent.AddString(m_strMessage);
			UpdateData(FALSE);
		}
	}
}

void CWinSockDlg::OnBclose() 
{
	// TODO: Add your control notification handler code here
	OnClose();
}