HX_RESULT
CBaseArchiver2::Abort(void)
{
HX_RESULT retVal;
retVal = OnAbort();
if (m_pFileCreator)
{
m_pFileCreator->Done();
HX_RELEASE(m_pFileCreator);
}
return retVal;
}
void *wxDownloadThread::Entry()
{
wxInputStream *in = m_url.GetInputStream();
// check the stream
if (in == NULL)
{
// something is wrong with the input URL...
OnAbort();
return NULL;
}
if (!in->IsOk())
{
delete in;
// something is wrong with the input URL...
OnAbort();
return NULL;
}
// we successfully connected with the server
OnConnect();
// we are starting the download of a file; update our datetime field
wxLogDebug(_("wxDownloadThread::Entry - downloading [%s]"),
m_url.GetURL().c_str());
m_dtStart = wxDateTime::UNow();
wxASSERT(m_output->IsOk());
// get size of download, if available
size_t sz = in->GetSize();
m_nFinalSize = (sz == (size_t)-1) ? wxInvalidSize : sz;
// begin the download
char buf[wxDT_BUF_TEMP_SIZE];
bool paused = false;
while (!TestDestroy())
{
if (GetFlag() == wxDTF_ABORT)
{
wxLogDebug(wxS("wxDownloadThread::Entry - user-aborting"));
delete in;
OnUserAbort();
return NULL;
}
else if (GetFlag() == wxDTF_PAUSE)
{
wxLogDebug(wxS("wxDownloadThread::Entry - sleeping"));
// did we warn our event handler that the download was paused?
if (!paused)
{
paused = true;
OnPause();
}
// sleep 100 msec and then test again our flag to see
// if it has changed to wxDTF_CONTINUE or to wxDTF_ABORT
wxMilliSleep(100);
continue;
}
paused = false;
// write the downloaded stuff in the output file
// without using the
// out.Write(*in);
// command; that would be easier but would not allow
// the program to stop this thread while downloading
// the file since the TestDestroy() function would not
// be called in that way...
size_t bytes_read = in->Read(buf, WXSIZEOF(buf)).LastRead();
if ( !bytes_read )
break; // no more data to read
if ( m_output->Write(buf, bytes_read).LastWrite() != bytes_read )
{
// something wrong with saving downloaded data!
OnAbort();
return NULL;
}
// update our downloaded bytes var
m_nCurrentSize = m_output->GetSize();
// notify our even handler that we made progress
OnUpdate();
}
// we don't need the INPUT stream anymore...
delete in;
wxASSERT_MSG(m_nCurrentSize == m_nFinalSize || m_nFinalSize == wxInvalidSize,
wxS("All errors should have already been catched!"));
wxLogDebug(_("wxDownloadThread::Entry - completed download of %lu bytes"),
m_nCurrentSize.ToULong());
// download is complete
OnComplete();
wxLogDebug(wxS("sent complete event"));
return NULL;
}
void wxCurlTransferDialog::OnClose(wxCloseEvent &WXUNUSED(ev))
{
wxCommandEvent fake;
OnAbort(fake);
}
