基于TCP的局域网传输文件的实现

配置环境:VC6.0 Win32 console Application (with MFC support);

srv.ccp

//--------------------------------------------------------------------------------------------------------

#include "stdafx.h"
#include "srv.h"
#include <afxsock.h>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
void SendFile(LPCTSTR lpszFileName);
/////////////////////////////////////////////////////////////////////////////
// The one and only application object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
 int nRetCode = 0;

 // initialize MFC and print and error on failure
 if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
 {
  // TODO: change error code to suit your needs
  cerr << _T("Fatal Error: MFC initialization failed") << endl;
  nRetCode = 1;
 }
 else
 {
  SendFile("D://FlashFXP（熊熊优化版—07年新版）.exe");
 }

 return nRetCode;
};
void SendFile(LPCTSTR lpszFileName){
 AfxSocketInit(NULL);
CSocket sockSrv;
sockSrv.Create(6000);
sockSrv.Listen();
CSocket sockRecv;
sockSrv.Accept(sockRecv);
CFile pMyFile;
if(!pMyFile.Open(lpszFileName,CFile::modeRead | CFile::typeBinary))
return ;
int MyFileLength=pMyFile.GetLength();
sockRecv.Send(&MyFileLength,4);
while(pMyFile.GetPosition()<pMyFile.GetLength())
{byte*data=new byte[1024];
UINT dw=pMyFile.Read(data,1024);
sockRecv.Send(data,dw);
delete []data;
};
sockRecv.Close();
pMyFile.Close();
//delete data;
}

//-------------------------------------------------------------------------------------------------------------------------

client.cpp

//-------------------------------------------------------------------------------------------------------------------------

#include "stdafx.h"
#include "client.h"
#include<afxsock.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
void GetFile(LPCTSTR lpszFileName);
/////////////////////////////////////////////////////////////////////////////
// The one and only application object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
 int nRetCode = 0;

 // initialize MFC and print and error on failure
 if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
 {
  // TODO: change error code to suit your needs
  cerr << _T("Fatal Error: MFC initialization failed") << endl;
  nRetCode = 1;
 }
 else
 {
  GetFile("C://temp//kakau.exe");
 }

 return nRetCode;
}

void GetFile(LPCTSTR lpszFileName)
{AfxSocketInit(NULL);
CSocket sockClient;
sockClient.Create();
sockClient.Connect("127.0.0.1",6000);
int FileLength;
sockClient.Receive(&FileLength,4);
//byte*Data=new byte[FileLength];
//sockClient.Receive(Data,FileLength);
CFile pMyFile;
pMyFile.Open(lpszFileName,CFile::modeCreate|CFile::modeWrite|CFile::typeBinary);
UINT dwRead=0;
while(dwRead<FileLength)
{byte*Data=new byte[1024];
memset(Data,0,1024);
UINT dw=sockClient.Receive(Data,1024);
pMyFile.Write(Data,dw);
dwRead+=dw;
}
//pMyFile.Write(Data,FileLength);
sockClient.Close();
pMyFile.Close();
//delete Data;
}