mymessengerdlg.cpp

点对点聊天与传文件程序

// MyMessengerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "afxsock.h"
#include "MyMessenger.h"
#include "MyMessengerDlg.h"
#include "MySocket.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()

/////////////////////////////////////////////////////////////////////////////
// CMyMessengerDlg dialog

CMyMessengerDlg::CMyMessengerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyMessengerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyMessengerDlg)
	m_emsg = _T("");
	m_address = _T("");
	m_port = 0;
	m_itype = -1;
	m_ipaddress = _T("");
	m_ftype = -1;
	m_sendfilename = _T("");
	m_receivefilename = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyMessengerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyMessengerDlg)
	DDX_Control(pDX, IDC_BRECEIVE, m_breceive);
	DDX_Control(pDX, IDC_BCLOSE, m_bclose);
	DDX_Control(pDX, IDC_LRECEIVED, m_lreceived);
	DDX_Control(pDX, IDC_LSENT, m_lsent);
	DDX_Control(pDX, IDC_BCONNECT, m_bconnect);
	DDX_Text(pDX, IDC_EMSG, m_emsg);
	DDX_Text(pDX, IDC_ADDRESS, m_address);
	DDX_Text(pDX, IDC_PORT, m_port);
	DDX_Radio(pDX, IDC_CLIENT, m_itype);
	DDX_Text(pDX, IDC_IPADDRESS, m_ipaddress);
	DDX_Radio(pDX, IDC_MESSAGETYPE, m_ftype);
	DDX_Text(pDX, IDC_SENDFILENAME, m_sendfilename);
	DDX_Text(pDX, IDC_RECEIVEFILENAME, m_receivefilename);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyMessengerDlg, CDialog)
	//{{AFX_MSG_MAP(CMyMessengerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CLIENT, OnRType)
	ON_BN_CLICKED(IDC_BCONNECT, OnBconnect)
	ON_BN_CLICKED(IDC_BSEND, OnBsend)
	ON_BN_CLICKED(IDC_BCLOSE, OnBclose)
	ON_BN_CLICKED(IDC_SERVER, OnServer)
	ON_BN_CLICKED(IDC_BRECEIVE, OnBreceive)
	ON_BN_CLICKED(IDC_BADDSENDFILE, OnBaddsendfile)
	ON_BN_CLICKED(IDC_ADDRECEIVEFILE, OnAddreceivefile)
	ON_BN_CLICKED(IDC_MESSAGETYPE, OnMessagetype)
	ON_BN_CLICKED(IDC_BSENDFILE, OnBsendfile)
	ON_BN_CLICKED(IDC_FILETYPE, OnFiletype)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyMessengerDlg message handlers

BOOL CMyMessengerDlg::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
	m_itype=0;
	m_ftype=0;
	GetIPAddress();
	m_ipaddress=LocalIPAddress;
	m_address=LocalIPAddress;
	m_port=40021;
	m_sendfilename="";
	m_receivefilename="";
	UpdateData(FALSE);
	m_ConnectSocket.SetParent(this);
	m_ListenSocket.SetParent(this);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CMyMessengerDlg::OnRType()      //服务器or客户端
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_itype==0)
	{
		m_bclose.SetWindowText("断开连接");
		m_bconnect.SetWindowText("连接");
		GetDlgItem(IDC_ADDRESS)->EnableWindow(TRUE);
	}
	else
	{
		m_bconnect.SetWindowText("开启服务");
		m_bclose.SetWindowText("关闭服务");
		GetDlgItem(IDC_ADDRESS)->EnableWindow(FALSE);
	}
}

void CMyMessengerDlg::OnBconnect()  //连接按钮被按下后
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	GetDlgItem(IDC_BCONNECT)->EnableWindow(FALSE);
	GetDlgItem(IDC_ADDRESS)->EnableWindow(FALSE);
	GetDlgItem(IDC_PORT)->EnableWindow(FALSE);
	GetDlgItem(IDC_CLIENT)->EnableWindow(FALSE);
	GetDlgItem(IDC_SERVER)->EnableWindow(FALSE);
	GetDlgItem(IDC_BCLOSE)->EnableWindow(TRUE);
	if (m_itype==0)                //如果是客户端
	{
		m_ConnectSocket.Create();
		m_ConnectSocket.Connect(m_address,m_port);
	}
	else                           //如果是服务器
	{
		MessageBox("服务器已开启，现等待连接……");
		m_ListenSocket.Create(m_port);
		m_ListenSocket.Listen();
	}
}

void CMyMessengerDlg::OnAccept() 
          //报路事件：侦听到有连接到本服务器的连接
{
	m_ListenSocket.Accept(m_ConnectSocket);
	//GetDlgItem(IDC_EMSG)->EnableWindow(TRUE);
	//GetDlgItem(IDC_BSEND)->EnableWindow(TRUE);
	//GetDlgItem(IDC_BCLOSE)->EnableWindow(TRUE);
	//MessageBox("成功建立连接!");
}

void CMyMessengerDlg::OnSend()    //报路事件：成功连接上了
{
	UpdateData(TRUE);
	GetDlgItem(IDC_MESSAGETYPE)->EnableWindow(TRUE);
	GetDlgItem(IDC_FILETYPE)->EnableWindow(TRUE);
	if (m_ftype==0)
	{
		GetDlgItem(IDC_EMSG)->EnableWindow(TRUE);
		GetDlgItem(IDC_BSEND)->EnableWindow(TRUE);
		GetDlgItem(IDC_SENDFILENAME)->EnableWindow(FALSE);
		GetDlgItem(IDC_BADDSENDFILE)->EnableWindow(FALSE);
		GetDlgItem(IDC_ADDRECEIVEFILE)->EnableWindow(FALSE);
		GetDlgItem(IDC_BSENDFILE)->EnableWindow(FALSE);
		GetDlgItem(IDC_BRECEIVE)->EnableWindow(FALSE);
		GetDlgItem(IDC_RECEIVEFILENAME)->EnableWindow(FALSE);
		GetDlgItem(IDC_BRECEIVE)->EnableWindow(FALSE);
	}
	else
	{
		GetDlgItem(IDC_EMSG)->EnableWindow(FALSE);
		GetDlgItem(IDC_BSEND)->EnableWindow(FALSE);
		GetDlgItem(IDC_SENDFILENAME)->EnableWindow(TRUE);
		GetDlgItem(IDC_BADDSENDFILE)->EnableWindow(TRUE);
		GetDlgItem(IDC_ADDRECEIVEFILE)->EnableWindow(TRUE);
		GetDlgItem(IDC_BSENDFILE)->EnableWindow(TRUE);
		GetDlgItem(IDC_BRECEIVE)->EnableWindow(TRUE);
		GetDlgItem(IDC_RECEIVEFILENAME)->EnableWindow(TRUE);
		GetDlgItem(IDC_BRECEIVE)->EnableWindow(TRUE);
	}
	MessageBox("成功建立连接!");
}

void CMyMessengerDlg::OnBsend()        //发送消息
{
	// TODO: Add your control notification handler code here
	int len;
	UpdateData(TRUE);
	if (m_emsg!="")
	{
		len=m_emsg.GetLength();
		if (m_ConnectSocket.Send(LPCTSTR(m_emsg),len)==SOCKET_ERROR)
		{
		}
		else
		{
			m_lsent.AddString(m_emsg); //在列表框sent中显示消息