clientdlg.cpp

来自「《Visual C++视频技术方案宝典》配套光盘」· C++ 代码 · 共 270 行

// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"
#include "DesEncrypt.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)
		// 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 CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_IPADDRESS1, m_IP);
	//}}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_CONNECT, OnConnect)
	ON_BN_CLICKED(IDC_DECRYPT, OnDecrypt)
	//}}AFX_MSG_MAP
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
	m_client = socket(AF_INET,SOCK_STREAM,0);
	m_IsStop = TRUE;
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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::OnConnect() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	CString strIP;
	m_IP.GetWindowText(strIP);

	//服务器端地址
	sockaddr_in serveraddr;
	serveraddr.sin_family = AF_INET;
	serveraddr.sin_port = htons(70);
	serveraddr.sin_addr.S_un.S_addr = inet_addr(strIP);
	if(connect(m_client,(sockaddr*)&serveraddr,sizeof(serveraddr))!=0)
	{
		MessageBox("连接失败");
		return;
	}	
	else
		MessageBox("连接成功");
	WSAAsyncSelect(m_client,m_hWnd,1000,FD_READ);
}

BOOL CClientDlg::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
	if(pMsg->message==1000)
	{
		ReceiveData();
	}
	else
		return CDialog::PreTranslateMessage(pMsg);
}

void CClientDlg::ReceiveData()
{
	HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE,1024);
	void* lpBuf = GlobalLock(hGlobal);
	int ret = recv(m_client,(char*)lpBuf,1024,0);	
	if(ret == SOCKET_ERROR)
	{
		CString str;
		str.Format("接收数据失败，错误码:%d",WSAGetLastError());
		MessageBox(str);
		return;
	}
	char* temp = (char*)lpBuf;
	if((ret ==1)&&(temp[0]=='^'))
	{
		m_IsStop = FALSE;
		m_file.Close();
		MessageBox("接收完毕");
		return;
	}
	if(m_IsStop)
	{
		char* path;
		path = (char*)lpBuf;
		path[ret] = '\0';
		m_PathName = "e:\\" + (CString)path;
		m_PathName = m_PathName.Left(ret+4);
		m_file.Open(m_PathName,CFile::modeCreate|CFile::modeWrite);
		m_IsStop = FALSE;

		GlobalUnlock(hGlobal);
		GlobalFree(hGlobal);
		return;
	}	
	else 
	{
		m_file.WriteHuge(lpBuf,ret);
		GlobalUnlock(hGlobal);
		GlobalFree(hGlobal);
	}
}

void CClientDlg::OnDecrypt() 
{
	// TODO: Add your control notification handler code here
	m_file.Open(m_PathName,CFile::modeRead);
	DWORD size = m_file.GetLength();
	HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE,size);
	void* lpBuf = GlobalLock(hGlobal);
	m_file.ReadHuge(lpBuf,size);
	char* buffer = (char*)lpBuf;
	m_file.Close();
	m_file.Open(m_PathName,CFile::modeCreate|CFile::modeWrite);
	char key[]={1,2,3,4,5,6,7,8};
	CDesEncrypt Des;
	Des.DesGo(buffer, buffer, size, key, sizeof(key), FALSE);
	m_file.WriteHuge(buffer,size);
	GlobalUnlock(hGlobal);
	GlobalFree(hGlobal);
	m_file.Close();
	MessageBox("解密成功");
}