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// fgdlaction.cc
#include "fgdlaction.h"
// Downloading involves interfacing with remote connection
#ifndef _FGCONI_H
#include "fgconi.h"
#endif
#ifndef _FGFSHELP_H
#include "fgfshelp.h"
#endif
#ifndef _FGSTRING_H
#include "fgstring.h"
#endif
#ifndef _FGEXC_H
#include "fgexc.h"
#endif
#ifndef _FGLOGGER_H
#include "fglogger.h"
#endif
FGDownloadAction::FGDownloadAction(const FGString& fname,
FGConnectionInterface* pConnIf,
const FGString& localDir,
int size)
: mpConnIf(pConnIf), mFileName(fname), mLocalDir(localDir),
mDestFD(-1), mFileSize(size)
{
}
FGDownloadAction::~FGDownloadAction()
{
}
void
FGDownloadAction::VirtualDo(void) const
{
FGString msg;
msg = "Starting download of file `";
msg += mFileName;
msg += '\'';
FGLogger::GetLogger().LogMsg(msg, FGLogger::kFGLLVerbose);
// Interface already has directory state ready for direct grab
// Also, we're connected at this point
int dataFD = mpConnIf->GetFile(mFileName);
// Create the destination file for writing
FGString destName(mLocalDir);
destName += '/';
destName += mFileName;
try {
int destFD = FGFileSystemHelper::CreateLocalFile(destName);
FGFileSystemHelper::TransferRemoteToLocal(dataFD, destFD, mFileSize);
}
catch (FGException& e) {
mpConnIf->PostFileTransfer();
throw e;
}
// Success - cool better log message
msg = "Successful transfer of file `";
msg += mFileName;
msg += '\'';
FGLogger::GetLogger().LogMsg(msg, FGLogger::kFGLLInfo);
mpConnIf->PostFileTransfer();
}
void
FGDownloadAction::Abort(void) const
{
// Something has gone wrong during the download
// Delete the file we started to download
// Ignore errors in case we didn't get as far as creating the file
FGString delFile(mLocalDir);
delFile += '/';
delFile += mFileName;
try {
FGFileSystemHelper::DeleteFile(delFile);
}
catch (FGException&) {
// Do nothing
}
}
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