file_serverdlg.cpp

C++编程实践与技巧一书各章节的源码

// file_serverDlg.cpp : implementation file
//

#include "stdafx.h"
#include "file_server.h"
#include "file_serverDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define PORT 3000


/////////////////////////////////////////////////////////////////////////////
// CFile_serverDlg dialog

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

void CFile_serverDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFile_serverDlg)
	DDX_Text(pDX, IDC_SENDFILE, m_sendfile);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFile_serverDlg, CDialog)
	//{{AFX_MSG_MAP(CFile_serverDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPEN, OnOpen)
	ON_BN_CLICKED(IDC_BEGINSEND, OnBeginsend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFile_serverDlg message handlers

BOOL CFile_serverDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

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

// 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 CFile_serverDlg::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 CFile_serverDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CFile_serverDlg::OnOpen() 
{
	CFileDialog SelectFile(true,
		                        NULL,
								NULL,
		                        OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
								"All Files (*.*)|*.*||",
								NULL);
    SelectFile.DoModal();
    CString FilePathName=SelectFile.GetPathName();
    SetDlgItemText(IDC_SENDFILE,FilePathName);	
	
}

void CFile_serverDlg::OnBeginsend() 
{
		CFile OpenFile;
		this->UpdateData(true);
		OpenFile.Open(m_sendfile, CFile::modeRead | CFile::typeBinary);

		AfxSocketInit(NULL);
		CSocket sockSrvr;
		sockSrvr.Create(PORT);
		sockSrvr.Listen();
		CSocket sockRecv;
		sockSrvr.Accept(sockRecv);



		int FileLength = OpenFile.GetLength();

		sockRecv.Send(&FileLength, 4);
		
		byte* data = new byte[FileLength];

		OpenFile.Read(data, FileLength);

		sockRecv.Send(data, FileLength);

		OpenFile.Close();
		delete data;

		sockRecv.Close();	
}