serverdlg.cpp

server 明日科技MFC参考大全示例程序

// serverDlg.cpp : implementation file
//

#include "stdafx.h"
#include "server.h"
#include "serverDlg.h"
#include "process.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()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog

CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CServerDlg)
	m_port = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	//m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_hIcon = LoadIcon(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDI_TITLE));
}

void CServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServerDlg)
	DDX_Control(pDX, IDC_IPADDRESS1, m_IP);
	DDX_Text(pDX, IDC_EDIT1, m_port);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
	//{{AFX_MSG_MAP(CServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_NOTIFY(IPN_FIELDCHANGED, IDC_IPADDRESS1, OnFieldchangedIpaddress1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers

BOOL CServerDlg::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);
		}
	}
	SetTimer(1,100,NULL);
	// 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

	//创建套接字
	m_server = socket(AF_INET,SOCK_STREAM,0);

	//将网络中的事件关联到窗口的消息函数中
	WSAAsyncSelect(m_server,m_hWnd,20000,FD_WRITE|FD_READ|FD_ACCEPT);

	m_client = 0;
	m_serverIP = "";
	for (int i = 0; i< MAXNUM;i++)
		m_Clients[i]= 0;
	m_CurClient = 0;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CServerDlg::OnOK() 
{
	//服务器端地址
	sockaddr_in serveraddr;

	serveraddr.sin_family = AF_INET;

	m_IP.GetWindowText(m_serverIP);

	//设置本机地址
	serveraddr.sin_addr.S_un.S_addr  = inet_addr(m_serverIP);

	UpdateData(TRUE);
	//设置端口号
	serveraddr.sin_port = htons(m_port);

	//绑定地址
	if (bind(m_server,(sockaddr*)&serveraddr,sizeof(serveraddr)))
	{
		MessageBox("绑定地址失败.");
		return;
	}
	//开始监听
	listen(m_server,50);
}

void CServerDlg::OnTimer(UINT nIDEvent) 
{
//	WSAAsyncSelect(m_server,m_hWnd,2000,FD_READ|FD_WRITE|FD_ACCEPT);
	CDialog::OnTimer(nIDEvent);
}

BOOL CServerDlg::PreTranslateMessage(MSG* pMsg) 
{
	if (pMsg->message==20000)
	{
		HandleData();
		return TRUE;
	}
	else
		return CDialog::PreTranslateMessage(pMsg);
}

LRESULT CServerDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 
{
	return CDialog::WindowProc(message, wParam, lParam);
}


void CServerDlg::HandleData()
{	
	sockaddr_in serveraddr;
	char buffer[1024];
	int len =sizeof(serveraddr);
	
	//接收客户端的数据
	int curlink = -1;

	int num = -1;
	for (int p = 0;p< MAXNUM; p++)
	{
		num= recv(m_Clients[p],buffer,1024,0);
		if (num != -1)
		{
			curlink = p;
			break;
		}
	}
	buffer[num]= 0;
	if (num==-1) //接受客户端的连接
	{
		if (m_CurClient < MAXNUM)
		{
			m_Clients[m_CurClient] = accept(m_server,(struct sockaddr*)&serveraddr,&len);
			m_CurClient+=1;
		}	
		return;
	}

	//将接收的数据发送给客户端
	for (int j = 0;j< m_CurClient;j++)
		if (j != curlink)
		send(m_Clients[j],buffer,num,0);
}

void CServerDlg::OnFieldchangedIpaddress1(NMHDR* pNMHDR, LRESULT* pResult) 
{	
	*pResult = 0;
}