Telnet服务器

开发平台：
Visual C++

ChatServerDlg.cpp：源码内容
							// ChatServerDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ChatServer.h"
#include "ChatServerDlg.h"
#include "ServerSocket.h"
#include "ClientSocket.h"
#include "tagHeader.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()
/////////////////////////////////////////////////////////////////////////////
// CChatServerDlg dialog
CChatServerDlg::CChatServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChatServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChatServerDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CChatServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChatServerDlg)
	DDX_Control(pDX, IDC_LIST_USER, m_UserList);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CChatServerDlg, CDialog)
	//{{AFX_MSG_MAP(CChatServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CChatServerDlg message handlers
BOOL CChatServerDlg::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
	((CEdit *)GetDlgItem(IDC_EDIT_INFO))->ReplaceSel("服务器初始化成功...rn");
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CChatServerDlg::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 CChatServerDlg::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 CChatServerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CChatServerDlg::UpdateUser(CClientSocket *pSocket)
{
	CString user_info;
	if(pSocket != NULL)
	{
		m_UserList.ResetContent();
		CClientSocket *pSock = NULL;
		POSITION pos = pSocket->clist->GetHeadPosition();
		while(pos != NULL)
		{
			pSock = (CClientSocket *)pSocket->clist->GetNext(pos);
			m_UserList.AddString(pSock->m_strName);
			user_info += (pSock->m_strName + "&");
		}
		Header head;
		head.type = LOGIN_IO;
		head.len = user_info.GetLength();
		POSITION po = pSocket->clist->GetHeadPosition();
		while(po != NULL)
		{
			pSock = (CClientSocket *)pSocket->clist->GetNext(po);
			pSock->Send((char *)&head, sizeof(Header));
			pSock->Send((LPCTSTR)user_info, user_info.GetLength());
		}
	}
}

						