clientdlg.cpp

Windows 2000. --*/ 的完成端口例子

// 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

/////////////////////////////////////////////////////////////////////////////
// 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)
	m_server = _T("");
	m_port = 0;
	//}}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_EDIT4, m_send_message);
	DDX_Control(pDX, IDC_EDIT1, m_message);
	DDX_Text(pDX, IDC_EDIT2, m_server);
	DDX_Text(pDX, IDC_EDIT3, m_port);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND_BUTTON, OnSendButton)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_CONNECT_BUTTON, OnConnectButton)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_CLIENT_READ,OnClientRead)
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
	Init();
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CClientDlg::Init()
{
	m_port=7000;
	m_server="127.0.0.1";
	UpdateData(FALSE);
}
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::AddMessageToMessageBar(CString strMessage)
{
	CTime tm=CTime::GetCurrentTime();
	CString strTime=tm.Format("[%Y-%m-%d %H:%M:%S]");

	CString str;
	m_message.GetWindowText(str);

	str=strTime+strMessage+"\r\n"+str;

	m_message.SetWindowText(str);
}
//////////////////////////////////////////////////////////////////////////////////////////
void CClientDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	if(mySocket.m_bConnect)
	{
		closesocket(mySocket.m_clientSocket);
	}
}
BOOL CClientDlg::ConnectToServer()
{
	if(mySocket.m_bConnect)return TRUE;
	if(!UpdateData(TRUE))return FALSE;
	WSADATA wsaData;

	SOCKADDR_IN sockAddr;

	if(WSAStartup(WINSOCK_VERSION,&wsaData))
	{
		AddMessageToMessageBar("不能使用SOCKET，WSAStartup失败");
		WSACleanup();
		return FALSE;
	}
	WSACleanup();

	mySocket.m_clientSocket=socket(PF_INET,SOCK_STREAM,0);

	memset((void*)&sockAddr,0,sizeof(sockAddr));
	sockAddr.sin_family=AF_INET;
	sockAddr.sin_port=htons(m_port);
	sockAddr.sin_addr.s_addr=inet_addr(m_server);
	int iConnect=connect(mySocket.m_clientSocket,(LPSOCKADDR)&sockAddr,sizeof(sockAddr));
	if(iConnect)
	{
		AddMessageToMessageBar("连接失败");
		return FALSE;
	}
	else
	{
		AddMessageToMessageBar("连接成功");
	}

	int iErrorCode=WSAAsyncSelect(mySocket.m_clientSocket,m_hWnd,WM_CLIENT_READ,FD_READ | FD_CLOSE);
	if(iErrorCode==SOCKET_ERROR)
	{
		AddMessageToMessageBar("设定响应事件失败");
	}
	else
	{
		AddMessageToMessageBar("设定响应事件成功");
	}

	mySocket.m_bConnect=TRUE;
	return TRUE;
}
LRESULT CClientDlg::OnClientRead(WPARAM wParam,LPARAM lParam)
{
	if(!mySocket.m_bConnect)return 0L;
	if(WSAGETSELECTEVENT(lParam) == FD_CLOSE)
	{
		AddMessageToMessageBar("你被踢出去了");

		closesocket( mySocket.m_clientSocket );

		mySocket.m_clientSocket = INVALID_SOCKET;
		mySocket.m_bConnect		= FALSE;

		return 0;
	}

	if(WSAGETSELECTEVENT(lParam) != FD_READ) return 0;

	if(mySocket.m_clientSocket!=wParam)return 0L;
	
	mySocket.m_nLength=recv(mySocket.m_clientSocket,(LPSTR)mySocket.buf,sizeof(mySocket.buf),0);
	if(mySocket.m_nLength>0)
	{
		CString str;
		str.Format("接收到数据：%s",mySocket.buf);
		AddMessageToMessageBar(str);
		mySocket.Init();
	}
	return 1L;
}
void CClientDlg::OnSendButton() 
{
	if(!mySocket.m_bConnect)return;
	mySocket.m_nLength=m_send_message.GetWindowText((char*)mySocket.buf,sizeof(mySocket.buf));
	if(mySocket.m_nLength==0)
	{
		AddMessageToMessageBar("不能发送空消息！");
		return;
	}
	int iErrorCode=send(mySocket.m_clientSocket,(LPSTR)mySocket.buf,mySocket.m_nLength,0);
	if(iErrorCode==SOCKET_ERROR)
	{
		CString str;
		str.Format("发送消息[%s]失败",mySocket.buf);
		AddMessageToMessageBar(str);
	}
	mySocket.Init();
}

void CClientDlg::OnConnectButton() 
{
	ConnectToServer();	
}