private bool TryReduce(FileSystemEventArgs ev)
{
bool applied = false;
var curIdx = Events.Count - 1;
var prevIdx = Events.Count - 2;
while (Events.Count > 1 && Events[prevIdx].FullPath == Events[curIdx].FullPath)
{
var prev = Events[prevIdx];
var cur = Events[curIdx];
if (prev.ChangeType == cur.ChangeType)
{
Log.Debug("IN: Skip duplicate: {0} => {1}", prev.FullPath, cur.FullPath);
}
else if (prev.ChangeType == Changes.Deleted && cur.ChangeType != Changes.Deleted)
{
Log.Debug("IN: Rewrite deletion for update: {0} => {1}", prev.FullPath, cur.FullPath);
}
else if ((prev.ChangeType & (Changes.Changed | Changes.Created)) != 0)
{
if (cur.ChangeType == Changes.Renamed)
{
Log.Debug("IN: Rewrite rename for update: {0} => {1}", prev.FullPath, cur.FullPath);
}
else if ((cur.ChangeType & (Changes.Changed | Changes.Created)) != 0)
{
Log.Debug("IN: Rewrite create for update: {0} => {1}", prev.FullPath, cur.FullPath);
}
}
else if (prev.ChangeType != Changes.Deleted && cur.ChangeType == Changes.Deleted)
{
Log.Debug("IN: Rewrite update for deletion: {0} => {1}", prev.FullPath, cur.FullPath);
}
else
{
return(false);
}
applied = true;
Events[prevIdx] = Events[curIdx];
Events.RemoveAt(curIdx);
LogEventsNoLock();
if (prevIdx == 0)
{
return(true);
}
--prevIdx;
--curIdx;
}
return(applied);
}
public void WaitChanges(ChangesMonitor source, Predicate cancelPoller)
{
SourcePath = source.SourcePath;
BashSourcePath = Utils.ToBashPath(SourcePath);
BashExePath = Utils.TryBashExePath();
var sessionOptions = CreateSessionOptions();
var transferOptions = CreateTransferOptions();
Session.Timeout = Timeout;
IsCancel = cancelPoller;
while (!IsCancel())
{
try {
OpenSession(sessionOptions);
while (!IsCancel())
{
var changes = RetrieveChanges(source);
OnChangesStart();
if (changes == null)
{
return;
}
TransferAll(changes, transferOptions);
OnChangesFinish();
}
} catch (SessionRemoteException err) {
Log.Error("Remote failure: {0}", err);
} catch (TimeoutException) {
Log.Error("Session timeout. Retryng to connect...");
} catch (InvalidOperationException err) {
Log.Error("Remote failure: {0}", err);
} catch (SessionLocalException err) {
Log.Error("Local failure: {0}", err);
} catch (Exception err) {
Log.Error("UNKNOWN EXCEPTION: {0}. Yury, you MUST fix it!", err);
if (LostLifeChanges.Count > 0)
{
var first = LostLifeChanges[0];
Log.Debug("Skip problem change: {0} {1}", first.ChangeType, first.FullPath);
LostLifeChanges.RemoveAt(0);
}
Thread.Sleep(1000);
} finally {
CloseSession();
}
}
}
