void CFtpFileDlg::ListContent()
{
CInternetSession* pSession;
CFtpConnection* pConnection;
CFtpFileFind* pFileFind;
CString strFileName;
BOOL bContinue;
pConnection = NULL;
pFileFind = NULL;
pSession = new CInternetSession(AfxGetAppName(),1,PRE_CONFIG_INTERNET_ACCESS);
try{
pConnection = pSession->GetFtpConnection(m_strFtpSite,m_strName,m_strPwd);
}
catch(CInternetException *e){
e->Delete();
pConnection = NULL;
AfxMessageBox("连接失败！",MB_OK|MB_ICONSTOP);
}
if (pConnection!= NULL){
pFileFind = new CFtpFileFind(pConnection);
bContinue = pFileFind->FindFile(NULL);
if (!bContinue){
pFileFind->Close();
pFileFind=NULL;
}
while(bContinue){
bContinue = pFileFind->FindNextFile();
strFileName = pFileFind->GetFileName();
if (pFileFind->IsDirectory())
{
strFileName = "["+strFileName;
strFileName += "]";
}
m_ListFile.AddString(strFileName);
}
if (pFileFind!=NULL){
pFileFind->Close();
pFileFind=NULL;
}
}
delete pFileFind;
if (pConnection!=NULL){
pConnection->Close();
delete pConnection;
}
delete pSession;
}
void CFtpDownloadThread::Run()
{
USES_CONVERSION;
CInternetSession InternetSession;
CFtpConnection * pFtpConn = NULL;
CInternetFile * pFtpFile = NULL;
CString strFtpUrl, fileDir;
CFileException fileException;
CFile file;
UINT nFtpReadSize = 0;
BYTE buffer[1024] = {0};
BOOL bIsOpenFile = FALSE;
CFtpFileFind * pFtpFind = NULL;
strFtpUrl.Format(_T("%s"), A2W(m_strFptURL.c_str()));
try {
pFtpConn = InternetSession.GetFtpConnection(strFtpUrl,
m_strUsr.c_str()?NULL:m_strUsr.c_str(), m_strPwd.c_str()?NULL:m_strPwd.c_str(), m_nftpPort);
}
catch (CInternetException * pEx)
{
TCHAR sz[1024];
pEx->GetErrorMessage(sz, 1024);
AfxMessageBox(sz);
pEx->Delete();
m_nErrorCode = FTP_SERVER_CONNECT_FAILED;
goto end;
}
if (pFtpConn == NULL) {
m_nErrorCode = FTP_SERVER_CONNECT_FAILED;
goto end;
}
fileDir.Format(_T("%s\\%s"), m_strSaveDir.c_str(), m_strFileName.c_str());
UINT nMode = 0;
//CInternetFile不支持FTP协议的端点续传，需要自己实现。
/*if (PathFileExists(fileDir)) nMode = CFile::modeWrite;
else*/ nMode = CFile::modeCreate | CFile::modeReadWrite | CFile::typeBinary;
if (!file.Open(fileDir, nMode, &fileException)){
m_nErrorCode = ERR_OPEN_LOACAL_SAVE_FILE;
goto end;
}
bIsOpenFile = TRUE;
file.SeekToEnd();
m_nDownloadLen = file.GetLength();
pFtpFind = new CFtpFileFind(pFtpConn);
if (!pFtpFind->FindFile(m_strFileName.c_str())) {
m_nErrorCode = FTP_SERVER_FILE_OPEN_ERR;
pFtpFind->Close();
delete pFtpFind;
goto end;
}
pFtpFind->FindNextFile();
m_nFtpFileLen = pFtpFind->GetLength();
pFtpFind->Close();
delete pFtpFind;
pFtpFile = pFtpConn->OpenFile(m_strFileName.c_str());
if (pFtpFile == NULL) {
m_nErrorCode = FTP_SERVER_FILE_OPEN_ERR;
goto end;
}
/*//CInternetFile不支持FTP协议的断点续传，需要自己实现。
if (m_nFtpFileLen != 0)
pFtpFile->Seek(m_nDownloadLen, CInternetFile::begin);*/
while(TRUE) {
if (!m_bIsStart) break;
if (m_nDownloadLen >= m_nFtpFileLen) break;
try {
nFtpReadSize = pFtpFile->Read(buffer, sizeof(buffer));
}
catch (CInternetException * pEx)
{
TCHAR sz[1024];
pEx->GetErrorMessage(sz, 1024);
AfxMessageBox(sz);
pEx->Delete();
m_nErrorCode = FTP_SERVER_CONNECT_FAILED;
goto end;
}
if (nFtpReadSize <= 0) continue;
try {
file.Write(buffer, sizeof(buffer));
}catch(CFileException * pEx) {
TCHAR sz[1024];
pEx->GetErrorMessage(sz, 1024);
AfxMessageBox(sz);
pEx->Delete();
m_nErrorCode = ERR_WRITE_LOCAL_FILE;
goto end;
}
m_nDownloadLen += nFtpReadSize;
}
end:
if (pFtpFile) {
pFtpFile->Close();
delete pFtpFile;
}
if (pFtpConn) {
pFtpConn->Close();
delete pFtpConn;
}
InternetSession.Close();
if (bIsOpenFile) file.Close();
m_bIsStart = FALSE;
}
