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better logs tounderstand when a folder is local scanned

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should hopefully allows to understand when local file system discovery
is done or omitted

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>
This commit is contained in:
Matthieu Gallien 2024-10-10 14:24:35 +02:00
parent 647f5b26a2
commit 8abe8e6f52
1 changed files with 36 additions and 11 deletions
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49
src/libsync/syncengine.cpp
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@ -648,7 +648,6 @@ void SyncEngine::startSync()
_discoveryPhase->_syncOptions = _syncOptions;
_discoveryPhase->_shouldDiscoverLocaly = [this](const QString &path) {
const auto result = shouldDiscoverLocally(path);
qCDebug(lcEngine) << "shouldDiscoverLocaly" << path << (result ? "true" : "false");
return result;
};
_discoveryPhase->setSelectiveSyncBlackList(selectiveSyncBlackList);
@ -1213,6 +1212,13 @@ void SyncEngine::setLocalDiscoveryOptions(LocalDiscoveryStyle style, std::set<QS
_localDiscoveryStyle = style;
_localDiscoveryPaths = std::move(paths);
const auto allPaths = std::accumulate(_localDiscoveryPaths.begin(), _localDiscoveryPaths.end(), QString{}, [] (auto first, auto second) -> QString {
first += ", " + second;
return first;
});
qCInfo(lcEngine()) << "paths to discover locally" << allPaths;
// Normalize to make sure that no path is a contained in another.
// Note: for simplicity, this code consider anything less than '/' as a path separator, so for
// example, this will remove "foo.bar" if "foo" is in the list. This will mean we might have
@ -1242,8 +1248,12 @@ const SyncEngine::SingleItemDiscoveryOptions &SyncEngine::singleItemDiscoveryOpt
bool SyncEngine::shouldDiscoverLocally(const QString &path) const
{
if (_localDiscoveryStyle == LocalDiscoveryStyle::FilesystemOnly)
return true;
auto result = false;
if (_localDiscoveryStyle == LocalDiscoveryStyle::FilesystemOnly) {
result = true;
return result;
}
// The intention is that if "A/X" is in _localDiscoveryPaths:
// - parent folders like "/", "A" will be discovered (to make sure the discovery reaches the
@ -1257,25 +1267,40 @@ bool SyncEngine::shouldDiscoverLocally(const QString &path) const
if (it == _localDiscoveryPaths.end() || !it->startsWith(path)) {
// Maybe a subfolder of something in the list?
if (it != _localDiscoveryPaths.begin() && path.startsWith(*(--it))) {
return it->endsWith('/') || (path.size() > it->size() && path.at(it->size()) <= '/');
result = it->endsWith('/') || (path.size() > it->size() && path.at(it->size()) <= '/');
if (!result) {
qCInfo(lcEngine()) << path << "no local discovery needed";
}
return false;
return result;
}
result = false;
qCInfo(lcEngine()) << path << "no local discovery needed";
return result;
}
// maybe an exact match or an empty path?
if (it->size() == path.size() || path.isEmpty())
if (it->size() == path.size() || path.isEmpty()) {
return true;
}
// Maybe a parent folder of something in the list?
// check for a prefix + / match
forever {
if (it->size() > path.size() && it->at(path.size()) == '/')
return true;
++it;
if (it == _localDiscoveryPaths.end() || !it->startsWith(path))
return false;
if (it->size() > path.size() && it->at(path.size()) == '/') {
result = true;
return result;
}
return false;
++it;
if (it == _localDiscoveryPaths.end() || !it->startsWith(path)) {
result = false;
qCInfo(lcEngine()) << path << "no local discovery needed";
return result;
}
}
qCInfo(lcEngine()) << path << "no local discovery needed";
return result;
}
void SyncEngine::wipeVirtualFiles(const QString &localPath, SyncJournalDb &journal, Vfs &vfs)