Method LoadMetFiles

src/DownloadQueue.cpp:107–170

void CDownloadQueue::LoadMetFiles(const CPath& path)
{
	AddLogLineNS(CFormat(_("Loading temp files from %s.")) % path.GetPrintable());

	std::vector<CPath> files;

	// Locate part-files to be loaded
	CDirIterator TempDir(path);
	CPath fileName = TempDir.GetFirstFile(CDirIterator::File, "*.part.met");
	while (fileName.IsOk()) {
		files.push_back(path.JoinPaths(fileName));

		fileName = TempDir.GetNextFile();
	}

	// Loading in order makes it easier to figure which
	// file is broken in case of crashes, or the like.
	std::sort(files.begin(), files.end());

	// Load part-files
	for ( size_t i = 0; i < files.size(); i++ ) {
		AddLogLineNS(CFormat(_("Loading PartFile %u of %u")) % (i + 1) % files.size());
		fileName = files[i].GetFullName();
		CPartFile *toadd = new CPartFile();
		bool result = toadd->LoadPartFile(path, fileName) != 0;
		if (!result) {
			// Try from backup
			result = toadd->LoadPartFile(path, fileName, true) != 0;
		}
		if (result && !IsFileExisting(toadd->GetFileHash())) {
			{
				wxMutexLocker lock(m_mutex);
				m_filelist.push_back(toadd);
			}
			NotifyObservers(EventType(EventType::INSERTED, toadd));
			Notify_DownloadCtrlAddFile(toadd);
		} else {
			wxString msg;
			if (result) {
				msg << CFormat("WARNING: Duplicate partfile with hash '%s' found, skipping: %s")
					% toadd->GetFileHash().Encode() % fileName;
			} else {
				// If result is false, then reading of both the primary and the backup .met failed
				AddLogLineN(_("ERROR: Failed to load backup file. Search https://github.com/amule-org/amule/discussions for .part.met recovery solutions."));
				msg << CFormat("ERROR: Failed to load PartFile '%s'") % fileName;
			}
			AddLogLineCS(msg);

			// Delete the partfile object in the end.
			delete toadd;
		}
	}
	AddLogLineNS(_("All PartFiles Loaded."));

	if ( GetFileCount() == 0 ) {
		AddLogLineN(_("No part files found"));
	} else {
		AddLogLineN(CFormat(wxPLURAL("Found %u part file", "Found %u part files", GetFileCount())) % GetFileCount());