filetransfer.cpp

点对点传输文件的程序。使用TransmitFile调用

// FileTransfer.cpp : implementation file
//

#include "stdafx.h"
#include "Chat.h"
#include "FileTransfer.h"

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

/////////////////////////////////////////////////////////////////////////////
// FileTransfer dialog


FileTransfer::FileTransfer(CWnd* pParent /*=NULL*/)
	: CDialog(FileTransfer::IDD, pParent)
{
	//{{AFX_DATA_INIT(FileTransfer)
	Notifier = _T("");
	//}}AFX_DATA_INIT
}


void FileTransfer::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(FileTransfer)
	DDX_Text(pDX, IDC_FILE_SEND, Notifier);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(FileTransfer, CDialog)
	//{{AFX_MSG_MAP(FileTransfer)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// FileTransfer message handlers

FileTransfer::FileTransfer(char *fName, sockaddr_in aim,SOCKET hsock,CWnd *pParent): CDialog(FileTransfer::IDD, pParent)
{
    
	m_hFiletosend=NULL;
	m_filetobesent+=_T(fName);
	memcpy(&m_aimaddr,&aim,sizeof(sockaddr));
    m_hsock=hsock;
	Notifier.Format("您正要将发送文件:%s给:\nIP:%s Port:%d\n是否继续？",
		             fName,inet_ntoa((in_addr)aim.sin_addr),ntohs(aim.sin_port));
}


void FileTransfer::OnOK() 
{  
	SECURITY_ATTRIBUTES sa={0};
	sa.nLength=sizeof(sa);
	sa.bInheritHandle=true;
	m_hFiletosend=CreateFile(m_filetobesent.GetBuffer(0),
		                         GENERIC_READ,
								 FILE_SHARE_READ,
								 &sa,
		                         OPEN_EXISTING,
								 FILE_FLAG_SEQUENTIAL_SCAN,
								 NULL);
	 if(m_hFiletosend==INVALID_HANDLE_VALUE)
	{
		AfxMessageBox("文件打开失败!");
		return;
	}
	
    Notifier.Format("正在发送文件，请稍候......");
	m_ftip.Format("文件大小:%d",GetFileSize(m_hFiletosend,0));
	UpdateData(FALSE);
	CWnd * pW;
	pW=GetDlgItem(IDOK);
	pW->ShowWindow(SW_HIDE);
    pW=GetDlgItem(IDCANCEL);
	pW->ShowWindow(SW_HIDE);
	// pW->ShowWindow(TRUE);

	m_thSender=AfxBeginThread((AFX_THREADPROC)FileSend,(LPVOID)this,THREAD_PRIORITY_NORMAL,0,0,&sa);
    	//界面控制
	
    WaitForSingleObject(m_thSender->m_hThread,INFINITE);
	// CloseHandle(m_thSender->m_hThread);
    CDialog::OnOK();
}