Method AddFilesFromDirectory

src/SharedFileList.cpp:428–491

unsigned CSharedFileList::AddFilesFromDirectory(const CPath& directory, TaskList & hashTasks,
	const ReloadYieldCb & yieldCb, size_t & scanned, bool & aborted)
{
	// Do not allow these folders to be shared:
	//  - The .aMule folder
	//  - The Temp folder
	//  - The users home-dir
	if (CheckDirectory(wxGetHomeDir(), directory)) {
		return 0;
	} else if (CheckDirectory(thePrefs::GetConfigDir(), directory)) {
		return 0;
	} else if (CheckDirectory(thePrefs::GetTempDir().GetRaw(), directory)) {
		return 0;
	}

	if (!directory.DirExists()) {
		AddLogLineNS(CFormat(_("Shared directory not found, skipping: %s"))
			% directory.GetPrintable());

		return 0;
	}

	CDirIterator::FileType searchFor = CDirIterator::FileNoHidden;
	if (thePrefs::ShareHiddenFiles()) {
		 searchFor = CDirIterator::File;
	}

	const int extraFlags = thePrefs::FollowSymlinksInShares() ? 0 : wxDIR_NO_FOLLOW;

	unsigned knownFiles = 0;
	unsigned addedFiles = 0;

	// Yield to the caller every kYieldEvery files so the UI can stay
	// responsive on big shared trees. 256 strikes a balance between
	// progress-bar responsiveness (~4 updates/s on a 1 ms-per-file
	// machine) and the overhead of the callback itself.
	constexpr size_t kYieldEvery = 256;

	CDirIterator SharedDir(directory);

	for (CPath fname = SharedDir.GetFirstFile(searchFor, wxEmptyString, extraFlags); fname.IsOk(); fname = SharedDir.GetNextFile()) {
		if (yieldCb && ++scanned % kYieldEvery == 0) {
			if (!yieldCb(scanned)) {
				aborted = true;
				return addedFiles;
			}
		} else if (!yieldCb) {
			++scanned;
		}

		switch (AddPathToShares(directory, fname, hashTasks)) {
			case kAddPathQueued:  addedFiles++; break;
			case kAddPathKnown:   knownFiles++; break;
			case kAddPathSkipped: break;
		}
	}

	if ((addedFiles == 0) && (knownFiles == 0)) {