echoserverdlg.cpp

基于TCP/IP的多人聊天程序(包含服务器和客户端)

// EchoSerVerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EchoSerVer.h"
#include "EchoSerVerDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include<process.h>
	SOCKET connected[CLIENT];
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CEchoSerVerDlg dialog

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

void CEchoSerVerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEchoSerVerDlg)
	DDX_Control(pDX, IDC_LIST1, m_list);
	DDX_Text(pDX, IDC_PORT, m_port);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEchoSerVerDlg, CDialog)
	//{{AFX_MSG_MAP(CEchoSerVerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_STARTUP, OnStartup)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEchoSerVerDlg message handlers

BOOL CEchoSerVerDlg::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
	StarUp();
    m_port=5050;
	UpdateData(FALSE);
	num=0;

	

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CEchoSerVerDlg::StarUp()
{
////////////////初始化环境
	WSADATA wsaData;
	WORD version=MAKEWORD(1,1);//版本号为1.1
	int ret =WSAStartup(version,&wsaData);
	if(ret !=0)
	{
		TRACE("初始化失败");
		return ;
	}

}

void CEchoSerVerDlg::CleanUp()
{
	////////清除,释放资源
	if(WSACleanup()!=0)
	{
		TRACE("UnInitilize Error:%d\n",WSAGetLastError());
	}

}

BOOL CEchoSerVerDlg::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	CleanUp();
	return CDialog::DestroyWindow();
}

void CEchoSerVerDlg::OnStartup() 
{
	// TODO: Add your control notification handler code here
	if(m_socket!=NULL)
	{
		closesocket(m_socket);
		m_socket=NULL;
	}
	if(m_socket==NULL)
	{
		m_socket=socket(AF_INET,SOCK_STREAM,0);/////建立套接字
		ASSERT(m_socket!=NULL);///////
	}
	UpdateData();
	m_addr.sin_family=AF_INET;
	m_addr.sin_addr.S_un.S_addr=INADDR_ANY;//绑定本机
	m_addr.sin_port=htons(m_port);
    //////
	
	////////
	int ret=0;
	int error=0;

	///绑定套接字到本机地址
	ret =bind(m_socket,(LPSOCKADDR)&m_addr,sizeof(m_addr));
	if(ret==SOCKET_ERROR){
		TRACE("Bind Error: %d\n",(error=WSAGetLastError()));
		return;
	}

	//开始侦听
	
	ret =listen(m_socket,3);
	if(ret==SOCKET_ERROR){
		TRACE("listen error:%d\n",(error==WSAGetLastError()));
		return;
	}
	 

	CEchoSerVerDlg *pdlg=this;
	//unsigned threadID;
	HANDLE hThread;
	hThread=(HANDLE)_beginthreadex(NULL,0,acception,(void*)pdlg,0,0);
	if(hThread!=0){
		CString str;
	CTime time = CTime::GetCurrentTime(); 
	CString m_time = time.Format("%Y-%m-%d %H:%M:%S");
	str.Format("%s"," 启动成功 ");
	m_list.AddString(m_time+str);
	}


	
	
}
unsigned __stdcall acception(void * p) { 
		//如果有用户发出请求,就应该建立边接,同时阻等待客户的边接;

	CEchoSerVerDlg* m_Dlg=(CEchoSerVerDlg*)p;
	int count=1;
	m_Dlg->num=1;
	HANDLE hThread[CLIENT];
	while(true){
	
	connected[count]=accept(m_Dlg->m_socket,NULL,NULL);
	if(connected[count]==SOCKET_ERROR){
		TRACE("Accept Error:%d\n",(WSAGetLastError()));
		AfxMessageBox("acception error");
		return 1;
	}
	else{
	/*	CString str,str1;
		str1.Format("%d",count);
	CTime time = CTime::GetCurrentTime(); 
	CString m_time = time.Format("%Y-%m-%d %H:%M:%S");
	str.Format("%s"," usr ");
	m_Dlg->m_list.AddString(m_time+str+str1);*/

	
	
	//建立了边接,就等待用户发来信息,该函数也阻塞	
	Clinfor pa;
	pa.ID=count;
	pa.q=m_Dlg;
	
	hThread[count]=(HANDLE)_beginthreadex(NULL,0,recvandsend,(void*)&pa,0,0);
	if(hThread[count]==0){
		AfxMessageBox("receve  error");
		return 1;
	}
	}
	count++;
	m_Dlg->num++;
	}
	_endthreadex( 0 );
	return 0;
}
unsigned __stdcall recvandsend(void * p){
	Clinfor* pp=(Clinfor*)p;
	CEchoSerVerDlg* m_Dlg=pp->q;
	int count=pp->ID;
	char buff[256];	
	int ret;
	while(true){
	ret=recv(connected[count],buff,256,0);
	if(ret==0||ret==SOCKET_ERROR){
		TRACE("Recv data error:%d\n",WSAGetLastError());
		return 1;
	}
	buff[ret]='\0';
	//对用户的信息进行处理;
    CString str;
	CTime time = CTime::GetCurrentTime(); 
	CString m_time = time.Format("%Y-%m-%d %H:%M:%S");
	str.Format("%s","  ");
	m_Dlg->m_list.AddString(m_time+str+buff);
	int ret1;
	int i;
	for(i=1;i<=m_Dlg->num;i++){
		if(connected[i]!=NULL)
	ret1=send(connected[i],buff,ret,0);
	if(strcmp(buff,"exit")==0){
		closesocket(connected[count]);
		break;
	}
	}
}
	_endthreadex( 0 );
	return 0;
}