clientdlg.cpp

不错的客户端连接程序

// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
UINT RevMsgThread(LPVOID v);
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_EDIT_IPADDRESS, m_ipaddr);
	DDX_Control(pDX, IDC_EDIT_SEND_MSG, m_sendmsg);
	DDX_Control(pDX, IDC_EDIT_RECEIVE_MSG, m_receivemsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON_CONNECT_SERVER, OnButtonConnectServer)
	ON_BN_CLICKED(IDC_BUTTON_SEND_MESSAGE, OnButtonSendMessage)
	ON_EN_CHANGE(IDC_EDIT_RECEIVE_MSG, OnChangeEditReceiveMsg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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
  WORD VersionRequested = MAKEWORD(2,2);
  WSADATA wsaData;
  WSAStartup(VersionRequested, &wsaData);	// 启动winsock服务
  if(VersionRequested!=wsaData.wVersion)
  {
    AfxMessageBox("初始化 WS2_32.DLL 失败");
    return FALSE;
  }
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CClientDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
  
	WSACleanup();
}

void CClientDlg::OnButtonConnectServer() 
{
	// TODO: Add your control notification handler code here
  CString m_strIpAddress;
  m_ipaddr.GetWindowText(m_strIpAddress);
  m_saclient.sin_addr.s_addr=inet_addr(m_strIpAddress);
  m_saclient.sin_family=AF_INET;
  m_saclient.sin_port=5000;
  //创建socket
  m_sockclient=socket(AF_INET,SOCK_STREAM,0);	
  AfxBeginThread(RevMsgThread,0);
  
}

void CClientDlg::OnButtonSendMessage() 
{
	// TODO: Add your control notification handler code here
	char buff[100];
    m_sendmsg.GetWindowText(buff,99);
    send(m_sockclient,buff,100,0);
    m_sendmsg.SetWindowText("");
}
UINT RevMsgThread(LPVOID v)
{
  CClientDlg *dlg=(CClientDlg*) AfxGetApp()->GetMainWnd();
  while(connect(dlg->m_sockclient,(sockaddr*)&(dlg->m_saclient),sizeof(dlg->m_saclient)))
  {
    dlg->m_receivemsg.SetWindowText("等待连接服务器.....");
   	//空循环
    for (int i=0;i<=1000;i++)
      for(int j=0;j<=400;j++);
  }
  dlg->m_receivemsg.SetWindowText("连接服务器成功!");
  //循环获得数据
  int s=1;
  char buff[100];
  memset(buff,0,100); 
  while(s!=SOCKET_ERROR)
  {
    //调用recv函数接收数据
    s=recv(dlg->m_sockclient,buff,100,0);
    dlg->m_receivemsg.SetWindowText(buff);
  }
  closesocket(dlg->m_sockclient);
  return 0;
}

void CClientDlg::OnChangeEditReceiveMsg() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	
}

void CClientDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}