void ArticleWriter::FlushCache()
{
detail("Flushing cache for %s", *m_infoName);
bool directWrite = g_Options->GetDirectWrite() && m_fileInfo->GetOutputInitialized();
DiskFile outfile;
bool needBufFile = false;
int flushedArticles = 0;
int64 flushedSize = 0;
{
ArticleCache::FlushGuard flushGuard = g_ArticleCache->GuardFlush();
std::vector<ArticleInfo*> cachedArticles;
{
Guard contentGuard = g_ArticleCache->GuardContent();
if (m_fileInfo->GetFlushLocked())
{
return;
}
m_fileInfo->SetFlushLocked(true);
cachedArticles.reserve(m_fileInfo->GetArticles()->size());
for (ArticleInfo* pa : m_fileInfo->GetArticles())
{
if (pa->GetSegmentContent())
{
cachedArticles.push_back(pa);
}
}
}
for (ArticleInfo* pa : cachedArticles)
{
if (m_fileInfo->GetDeleted() && !m_fileInfo->GetNzbInfo()->GetParking())
{
// the file was deleted during flushing: stop flushing immediately
break;
}
if (directWrite && !outfile.Active())
{
if (!outfile.Open(m_fileInfo->GetOutputFilename(), DiskFile::omReadWrite))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not open file %s: %s", m_fileInfo->GetOutputFilename(),
*FileSystem::GetLastErrorMessage());
// prevent multiple error messages
pa->DiscardSegment();
flushedArticles++;
break;
}
needBufFile = true;
}
BString<1024> destFile;
if (!directWrite)
{
destFile.Format("%s.tmp", pa->GetResultFilename());
if (!outfile.Open(destFile, DiskFile::omWrite))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not create file %s: %s", *destFile,
*FileSystem::GetLastErrorMessage());
// prevent multiple error messages
pa->DiscardSegment();
flushedArticles++;
break;
}
needBufFile = true;
}
if (outfile.Active() && needBufFile)
{
SetWriteBuffer(outfile, 0);
needBufFile = false;
}
if (directWrite)
{
outfile.Seek(pa->GetSegmentOffset());
}
if (!g_Options->GetSkipWrite())
{
outfile.Write(pa->GetSegmentContent(), pa->GetSegmentSize());
}
flushedSize += pa->GetSegmentSize();
flushedArticles++;
pa->DiscardSegment();
if (!directWrite)
{
outfile.Close();
if (!FileSystem::MoveFile(destFile, pa->GetResultFilename()))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not rename file %s to %s: %s", *destFile, pa->GetResultFilename(),
*FileSystem::GetLastErrorMessage());
}
}
}
outfile.Close();
{
Guard contentGuard = g_ArticleCache->GuardContent();
m_fileInfo->SetCachedArticles(m_fileInfo->GetCachedArticles() - flushedArticles);
m_fileInfo->SetFlushLocked(false);
}
}
detail("Saved %i articles (%.2f MB) from cache into disk for %s", flushedArticles,
(float)(flushedSize / 1024.0 / 1024.0), *m_infoName);
}
void ArticleWriter::CompleteFileParts()
{
debug("Completing file parts");
debug("ArticleFilename: %s", m_fileInfo->GetFilename());
bool directWrite = (g_Options->GetDirectWrite() || m_fileInfo->GetForceDirectWrite()) && m_fileInfo->GetOutputInitialized();
BString<1024> nzbName;
BString<1024> nzbDestDir;
BString<1024> filename;
{
GuardedDownloadQueue guard = DownloadQueue::Guard();
nzbName = m_fileInfo->GetNzbInfo()->GetName();
nzbDestDir = m_fileInfo->GetNzbInfo()->GetDestDir();
filename = m_fileInfo->GetFilename();
}
BString<1024> infoFilename("%s%c%s", *nzbName, PATH_SEPARATOR, *filename);
bool cached = m_fileInfo->GetCachedArticles() > 0;
if (g_Options->GetRawArticle())
{
detail("Moving articles for %s", *infoFilename);
}
else if (directWrite && cached)
{
detail("Writing articles for %s", *infoFilename);
}
else if (directWrite)
{
detail("Checking articles for %s", *infoFilename);
}
else
{
detail("Joining articles for %s", *infoFilename);
}
// Ensure the DstDir is created
CString errmsg;
if (!FileSystem::ForceDirectories(nzbDestDir, errmsg))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not create directory %s: %s", *nzbDestDir, *errmsg);
return;
}
CString ofn;
if (m_fileInfo->GetForceDirectWrite())
{
ofn.Format("%s%c%s", *nzbDestDir, PATH_SEPARATOR, *filename);
}
else
{
ofn = FileSystem::MakeUniqueFilename(nzbDestDir, *filename);
}
DiskFile outfile;
BString<1024> tmpdestfile("%s.tmp", *ofn);
if (!g_Options->GetRawArticle() && !directWrite)
{
FileSystem::DeleteFile(tmpdestfile);
if (!outfile.Open(tmpdestfile, DiskFile::omWrite))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not create file %s: %s", *tmpdestfile, *FileSystem::GetLastErrorMessage());
return;
}
}
else if (directWrite && cached)
{
if (!outfile.Open(m_outputFilename, DiskFile::omReadWrite))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not open file %s: %s", *m_outputFilename, *FileSystem::GetLastErrorMessage());
return;
}
tmpdestfile = *m_outputFilename;
}
else if (g_Options->GetRawArticle())
{
FileSystem::DeleteFile(tmpdestfile);
if (!FileSystem::CreateDirectory(ofn))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not create directory %s: %s", *ofn, *FileSystem::GetLastErrorMessage());
return;
}
}
if (outfile.Active())
{
SetWriteBuffer(outfile, 0);
}
uint32 crc = 0;
{
std::unique_ptr<ArticleCache::FlushGuard> flushGuard;
if (cached)
{
flushGuard = std::make_unique<ArticleCache::FlushGuard>(g_ArticleCache->GuardFlush());
}
CharBuffer buffer;
bool firstArticle = true;
if (!g_Options->GetRawArticle() && !directWrite)
{
buffer.Reserve(1024 * 64);
}
for (ArticleInfo* pa : m_fileInfo->GetArticles())
{
if (pa->GetStatus() != ArticleInfo::aiFinished)
{
continue;
}
if (!g_Options->GetRawArticle() && !directWrite && pa->GetSegmentOffset() > -1 &&
pa->GetSegmentOffset() > outfile.Position() && outfile.Position() > -1)
{
memset(buffer, 0, buffer.Size());
if (!g_Options->GetSkipWrite())
{
while (pa->GetSegmentOffset() > outfile.Position() && outfile.Position() > -1 &&
outfile.Write(buffer, std::min((int)(pa->GetSegmentOffset() - outfile.Position()), buffer.Size())));
}
}
if (pa->GetSegmentContent())
{
if (!g_Options->GetSkipWrite())
{
outfile.Seek(pa->GetSegmentOffset());
outfile.Write(pa->GetSegmentContent(), pa->GetSegmentSize());
}
pa->DiscardSegment();
}
else if (!g_Options->GetRawArticle() && !directWrite && !g_Options->GetSkipWrite())
{
DiskFile infile;
if (pa->GetResultFilename() && infile.Open(pa->GetResultFilename(), DiskFile::omRead))
{
int cnt = buffer.Size();
while (cnt == buffer.Size())
{
cnt = (int)infile.Read(buffer, buffer.Size());
outfile.Write(buffer, cnt);
}
infile.Close();
}
else
{
m_fileInfo->SetFailedArticles(m_fileInfo->GetFailedArticles() + 1);
m_fileInfo->SetSuccessArticles(m_fileInfo->GetSuccessArticles() - 1);
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not find file %s for %s [%i/%i]",
pa->GetResultFilename(), *infoFilename, pa->GetPartNumber(),
(int)m_fileInfo->GetArticles()->size());
}
}
else if (g_Options->GetRawArticle())
{
BString<1024> dstFileName("%s%c%03i", *ofn, PATH_SEPARATOR, pa->GetPartNumber());
if (!FileSystem::MoveFile(pa->GetResultFilename(), dstFileName))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not move file %s to %s: %s", pa->GetResultFilename(),
*dstFileName, *FileSystem::GetLastErrorMessage());
}
}
if (m_format == Decoder::efYenc)
{
crc = firstArticle ? pa->GetCrc() : Crc32::Combine(crc, pa->GetCrc(), pa->GetSegmentSize());
firstArticle = false;
}
}
buffer.Clear();
}
if (outfile.Active())
{
outfile.Close();
if (!directWrite && !FileSystem::MoveFile(tmpdestfile, ofn))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not move file %s to %s: %s", *tmpdestfile, *ofn,
*FileSystem::GetLastErrorMessage());
}
}
if (directWrite)
{
if (!FileSystem::SameFilename(m_outputFilename, ofn) &&
!FileSystem::MoveFile(m_outputFilename, ofn))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not move file %s to %s: %s", *m_outputFilename, *ofn,
*FileSystem::GetLastErrorMessage());
}
// if destination directory was changed delete the old directory (if empty)
int len = strlen(nzbDestDir);
if (!(!strncmp(nzbDestDir, m_outputFilename, len) &&
(m_outputFilename[len] == PATH_SEPARATOR || m_outputFilename[len] == ALT_PATH_SEPARATOR)))
{
debug("Checking old dir for: %s", *m_outputFilename);
BString<1024> oldDestDir;
oldDestDir.Set(m_outputFilename, (int)(FileSystem::BaseFileName(m_outputFilename) - m_outputFilename));
if (FileSystem::DirEmpty(oldDestDir))
{
debug("Deleting old dir: %s", *oldDestDir);
FileSystem::RemoveDirectory(oldDestDir);
}
}
}
if (!directWrite)
{
for (ArticleInfo* pa : m_fileInfo->GetArticles())
{
if (pa->GetResultFilename())
{
FileSystem::DeleteFile(pa->GetResultFilename());
}
}
}
if (m_fileInfo->GetTotalArticles() == m_fileInfo->GetSuccessArticles())
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkInfo, "Successfully downloaded %s", *infoFilename);
}
else if (m_fileInfo->GetMissedArticles() + m_fileInfo->GetFailedArticles() > 0)
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkWarning,
"%i of %i article downloads failed for \"%s\"",
m_fileInfo->GetMissedArticles() + m_fileInfo->GetFailedArticles(),
m_fileInfo->GetTotalArticles(), *infoFilename);
}
else
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkInfo, "Partially downloaded %s", *infoFilename);
}
{
GuardedDownloadQueue guard = DownloadQueue::Guard();
m_fileInfo->SetCrc(crc);
m_fileInfo->SetOutputFilename(ofn);
if (strcmp(m_fileInfo->GetFilename(), filename))
{
// file was renamed during completion, need to move the file
ofn = FileSystem::MakeUniqueFilename(nzbDestDir, m_fileInfo->GetFilename());
if (!FileSystem::MoveFile(m_fileInfo->GetOutputFilename(), ofn))
{
m_fileInfo->GetNzbInfo()->PrintMessage(Message::mkError,
"Could not rename file %s to %s: %s", m_fileInfo->GetOutputFilename(),
*ofn, *FileSystem::GetLastErrorMessage());
}
m_fileInfo->SetOutputFilename(ofn);
}
if (strcmp(m_fileInfo->GetNzbInfo()->GetDestDir(), nzbDestDir))
{
// destination directory was changed during completion, need to move the file
MoveCompletedFiles(m_fileInfo->GetNzbInfo(), nzbDestDir);
}
}
}