private void InternalSendEvent(QueuedEvent _event)
{
if (isFiring)
{
eventQueue.Enqueue(_event);
return;
}
try {
isFiring = true;
SingleInternalSendEvent(_event);
while (eventQueue.Count > 0)
{
var queuedEvent = eventQueue.Dequeue();
SingleInternalSendEvent(queuedEvent);
eventPool.Enqueue(queuedEvent);
}
}
finally {
isFiring = false;
eventQueue.Clear();
}
}
public void queue(EventData ed, Event ev)
{
if (!async || ed.getDefinition().isSynchronous())
{
ed.dispatch(ev);
}
else
{
if (eventDispatcher == null)
{
// Log.CONTEXT_EVENTS.debug("Cannot queue event '" + ev + "': context manager is not running");
return;
}
QueuedEvent qe = new QueuedEvent(ed, ev);
try
{
eventDispatcher.queue(qe);
}
catch (Exception ex1)
{
// Log.CONTEXT_EVENTS.debug("Interrupted while queueing event: " + ev);
}
}
}
private static void InternalTrackEvent(string eventName,
string dataJson,
string eventType,
string customVariablesJson)
{
if (!_isInitialized)
{
var queuedEvent = new QueuedEvent {
EventName = eventName,
EventDataJson = dataJson,
EventType = eventType,
EventCustomVariablesJson = customVariablesJson
};
AnalyticsLog.Log(TAG, "Add event " + eventName + " to the queue (" + dataJson + ")");
QueuedEvents.Add(queuedEvent);
return;
}
AnalyticsSessionHelper.DefaultHelper().OnNewEvent();
AnalyticsLog.Log(TAG, "Create event " + eventName + " (" + dataJson + ")");
Event.Create(eventName,
AnalyticsParameters,
dataJson,
customVariablesJson,
eventType,
AnalyticsSessionHelper.DefaultHelper().SessionId,
AnalyticsSessionHelper.DefaultHelper().SessionLength,
AnalyticsSessionHelper.DefaultHelper().SessionCount,
async e => { await Tracker.Instance.TrackEvent(e); });
}
public void queue(QueuedEvent ev)
{
// FIXME: must implementing: Protecting from deadlocks by prohibiting new event submission from the dispatcher thread
undispatchedEvents.enqueue(ev);
/*
* if (Thread.CurrentThread == this && es != null) // Protecting from deadlocks by prohibiting new event submission from the dispatcher thread
* {
* es.submit(new Runnable()
* {
* public void run()
* {
* try {
* undispatchedEvents.put(ev);
* }
* catch (Exception ex)
* {
* // Ignoring
* }
* }
* });
* }
* else
* {
* undispatchedEvents.put(ev);
* }
*/
}
private void run()
{
while (!interrupted)
{
try
{
QueuedEvent ev = null;
try
{
ev = undispatchedEvents.dequeue();
}
catch (Exception ex)
{
break;
}
if (ev != null)
{
ev.dispatch();
}
}
catch (Exception ex)
{
// Normally all errors should be handled in EventData.dispatch(), so there are almost no chances we'll get here
Log.CONTEXT_EVENTS.error("Unexpected critical error in event dispatcher", ex);
}
}
}
public void Dispose()
{
if (!Disposed)
{
QueuedEvent.New(ClientEvent.Dispose);
}
}
protected override void QueueEvent(QueuedEvent queuedEvent, bool addToGlobalQueue, bool addToLocalQueue)
{
using (var proxy = new GenEventingServiceProxy())
{
proxy.QueueEvent(new ProxyQueuedEvent(queuedEvent), addToGlobalQueue, addToLocalQueue);
}
}
// Clean up the queue, removing dispatched objects.
// We assume that the called holds the event_queue lock.
private static void CleanQueue_Unlocked()
{
int first_undispatched = 0;
while (first_undispatched < event_queue.Count)
{
QueuedEvent qe = event_queue [first_undispatched] as QueuedEvent;
if (!qe.Dispatched)
{
break;
}
if (qe.Cookie != 0)
{
pending_move_cookies.Remove(qe.Cookie);
}
++first_undispatched;
}
if (first_undispatched > 0)
{
event_queue.RemoveRange(0, first_undispatched);
}
}
void Update()
{
mRealtimeSinceStartup = Time.realtimeSinceStartup;
while (mDispatchEventQueue != null && mDispatchEventQueue.Count > 0)
{
QueuedEvent item = mDispatchEventQueue.Dequeue();
if (item == null)
{
continue;
}
DoDispatchEvent(item.handler, item.data);
// item.handler could have called Dispose
if (!ClientIsValid)
{
return;
}
}
if (!mApplicationFocusLost && mConnected && mCheckConnectionTriggerTime > 0.0f && mRealtimeSinceStartup >= mCheckConnectionTriggerTime)
{
// Disconnect detected
if (DebugEnabled)
{
//#if DEBUG
Debug.Log("[SnipeClient] Update - Disconnect detected");
}
//#endif
mConnected = false;
DisconnectReason = "Update - Disconnect detected";
DisconnectAndDispatch(ConnectionLost);
}
if (mConnected)
{
if (mApplicationFocusLost && mApplicationFocusGained)
{
mApplicationFocusLost = false;
if (mHeartbeatEnabled)
{
ResetHeartbeatTime(true);
ResetCheckConnectionTime();
SendPingRequest();
}
}
else if (mHeartbeatTriggerTime > 0.0f && mRealtimeSinceStartup >= mHeartbeatTriggerTime)
{
ResetHeartbeatTime();
if (mHeartbeatEnabled)
{
ResetCheckConnectionTime();
SendPingRequest();
}
}
}
}
public bool GetFront(ref QueuedEvent result)
{
if (size == 0)
{
return(false);
}
result = events[front];
return(true);
}
public ProxyQueuedEvent(QueuedEvent oQueuedEvent)
{
dCreated = oQueuedEvent.Created;
sEventTypeName = oQueuedEvent.EventTypeName;
sInstanceData = oQueuedEvent.InstanceData;
sInstanceName = oQueuedEvent.InstanceName;
sInstanceTypeName = oQueuedEvent.InstanceTypeName;
iTimestamp = oQueuedEvent.Timestamp;
sUsername = oQueuedEvent.UserName;
}
public void PairWith(QueuedEvent other)
{
this.PairedMove = other;
other.PairedMove = this;
if (this.HoldUntil < other.HoldUntil)
{
this.HoldUntil = other.HoldUntil;
}
other.HoldUntil = this.HoldUntil;
}
public void Execute(int index)
{
int count = subscribers.Length;
QueuedEvent <T_Event> ev = queuedEvents[index];
for (int i = 0; i < count; i++)
{
if (subscribers[i].target.Equals(ev.target))
{
eventsToProcess.Enqueue(new UnityEventJob(ev.ev, i));
}
}
}
// Apply high-level processing to the queue. Pair moves,
// coalesce events, etc.
// We assume that the caller holds the event_queue lock.
private static void AnalyzeQueue_Unlocked()
{
int first_unanalyzed = event_queue.Count;
while (first_unanalyzed > 0)
{
--first_unanalyzed;
QueuedEvent qe = event_queue [first_unanalyzed] as QueuedEvent;
if (qe.Analyzed)
{
++first_unanalyzed;
break;
}
}
if (first_unanalyzed == event_queue.Count)
{
return;
}
// Walk across the unanalyzed events...
for (int i = first_unanalyzed; i < event_queue.Count; ++i)
{
QueuedEvent qe = event_queue [i] as QueuedEvent;
// Pair off the MovedFrom and MovedTo events.
if (qe.Cookie != 0)
{
if ((qe.Type & EventType.MovedFrom) != 0)
{
pending_move_cookies [qe.Cookie] = qe;
// This increases the MovedFrom's HoldUntil time,
// giving us more time for the matching MovedTo to
// show up.
// (512 ms is totally arbitrary)
qe.AddMilliseconds(512);
}
else if ((qe.Type & EventType.MovedTo) != 0)
{
QueuedEvent paired_move = pending_move_cookies [qe.Cookie] as QueuedEvent;
if (paired_move != null)
{
paired_move.Dispatched = true;
qe.PairedMove = paired_move;
}
}
}
qe.Analyzed = true;
}
}
public bool GetFrontAndDequeue(ref QueuedEvent result)
{
if (size == 0)
{
return(false);
}
lock (mutexLock)
{
result = events[front];
front = (front + 1) % capacity;
--size;
}
return(true);
}
public void KeyPressWithModifier(ushort keyAndModifier)
{
if ((keyAndModifier & KeyboardTables.InvalidFlag) > 0)
{
// This key is marked as invalid: ignore it.
return;
}
// TODO: other modifiers.
if ((keyAndModifier & KeyboardTables.ShiftModifier) > 0)
{
_Queue.Enqueue(QueuedEvent.CreateKeyDown(KeyboardKey.LeftShift));
}
_Queue.Enqueue(QueuedEvent.CreateKeyPress((KeyboardKey)(keyAndModifier & 0x00ff)));
if ((keyAndModifier & KeyboardTables.ShiftModifier) > 0)
{
_Queue.Enqueue(QueuedEvent.CreateKeyUp(KeyboardKey.LeftShift));
}
ActionEvent();
}
/// <summary>
/// Queue an event to be processed later.
/// </summary>
/// <param name="target">The entity the event is for.</param>
/// <param name="ev">The event to queue.</param>
public void QueueEvent(EventTarget target, T_Event ev)
{
QueuedEvent <T_Event> newEv = new QueuedEvent <T_Event>(target, ev);
#if !DISABLE_EVENT_SAFETY_CHKS
if (_cachedCurEvents.TryGetValue(newEv, out int index))
{
// If avoiding this warning is too annoying then make this the default behaviour and have this be a message sent
// when in verbose mode or something
Debug.LogWarning(
$"To prevent parallel corruption, event {ev.GetType().Name} cannot be sent to the same entity multiple times between processing. This event will replace the previous one!");
_queuedEvents[index] = newEv;
}
else
{
_cachedCurEvents[newEv] = _queuedEvents.Length;
_queuedEvents.Add(newEv);
}
#else
_queuedEvents.Add(newEv);
#endif
}
private static unsafe void SnarfWorker()
{
int event_size = Marshal.SizeOf(typeof(inotify_event));
while (running)
{
// We get much better performance if we wait a tiny bit
// between reads in order to let events build up.
// FIXME: We need to be smarter here to avoid queue overflows.
Thread.Sleep(15);
IntPtr buffer;
int nr;
// Will block while waiting for events, but with a 1s timeout.
inotify_snarf_events(inotify_fd,
out nr,
out buffer);
if (!running)
{
break;
}
if (nr == 0)
{
continue;
}
ArrayList new_events = new ArrayList();
bool saw_overflow = false;
while (nr > 0)
{
// Read the low-level event struct from the buffer.
inotify_event raw_event;
raw_event = (inotify_event)Marshal.PtrToStructure(buffer, typeof(inotify_event));
buffer = (IntPtr)((long)buffer + event_size);
if ((raw_event.mask & EventType.QueueOverflow) != 0)
{
saw_overflow = true;
}
// Now we convert our low-level event struct into a nicer object.
QueuedEvent qe = new QueuedEvent();
qe.Wd = raw_event.wd;
qe.Type = raw_event.mask;
qe.Cookie = raw_event.cookie;
// Extract the filename payload (if any) from the buffer.
byte [] filename_bytes = new byte[raw_event.len];
Marshal.Copy(buffer, filename_bytes, 0, (int)raw_event.len);
buffer = (IntPtr)((long)buffer + raw_event.len);
int n_chars = 0;
while (n_chars < filename_bytes.Length && filename_bytes [n_chars] != 0)
{
++n_chars;
}
qe.Filename = "";
if (n_chars > 0)
{
qe.Filename = FileNameMarshaler.LocalToUTF8(filename_bytes, 0, n_chars);
}
new_events.Add(qe);
nr -= event_size + (int)raw_event.len;
}
if (saw_overflow)
{
Logger.Log.Warn("Inotify queue overflow!");
}
lock (event_queue) {
event_queue.AddRange(new_events);
Monitor.Pulse(event_queue);
}
}
}
private void DispatchNextQueuedEvent()
{
QueuedEvent nextEvent = m_queuedEventTriggers.Dequeue();
Dispatch(nextEvent.m_eventType, nextEvent.m_data);
}
private void SingleInternalSendEvent(QueuedEvent _eventData)
{
Event _event = _eventData._event;
State from = context.State;
switch (context.State)
{
case State.OffHook:
switch (_event)
{
case Event.CallDialed:
if (TransitionTo(State.Ringing, from))
{
SwitchState(from, State.Ringing);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.Ringing:
switch (_event)
{
case Event.CallConnected:
if (TransitionTo(State.Connected, from))
{
SwitchState(from, State.Connected);
}
break;
case Event.HungUp:
if (TransitionTo(State.OffHook, from))
{
SwitchState(from, State.OffHook);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.Connected:
switch (_event)
{
case Event.LeftMessage:
if (TransitionTo(State.DisconnectCall, from))
{
SwitchState(from, State.DisconnectCall);
}
break;
case Event.OnHold:
if (TransitionTo(State.OnHold, from))
{
SwitchState(from, State.OnHold);
}
break;
case Event.HungUp:
if (TransitionTo(State.DisconnectCall, from))
{
SwitchState(from, State.DisconnectCall);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.OnHold:
switch (_event)
{
case Event.OffHold:
if (TransitionTo(State.Connected, from))
{
SwitchState(from, State.Connected);
}
break;
case Event.HungUp:
if (TransitionTo(State.DisconnectCall, from))
{
SwitchState(from, State.DisconnectCall);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.DisconnectCall:
switch (_event)
{
case Event.HungUp:
if (TransitionTo(State.OffHook, from))
{
SwitchState(from, State.OffHook);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
}
}
public void QueueEvent (string messageId, string eventName, string[] parameters, string[] types, string[] values, bool dontLogDescription = false)
{
if (shutdown) return;
if (EventQueue.ContainsKey (messageId))
return;
receivedMessages++;
lock (EventQueue) {
QueuedEvent e = new QueuedEvent (messageId, eventName, parameters, types, values, dontLogDescription);
EventQueue[messageId]=e;
Environment.Instance.DebugIf ("messages", "[TP][" + Name + "]Queued reception of " + e.ToString () + ".");
}
}
private void Client_Closed(object sender, EventArgs e) => QueuedEvent.New(ClientEvent.Closed);
protected virtual void Run()
{
Task.Run(async() =>
{
try
{
QueuedEvent.OnNew = (e) =>
{
OnClientEvent?.Invoke(e);
};
var inFault = false;
var running = true;
RunOpen();
while (running)
{
if (await QueuedEvent.Next() is var nextEvent && nextEvent.Ok)
{
switch (nextEvent.Value)
{
case ClientEvent.Dispose:
RunClose();
running = false;
break;
case ClientEvent.Opening:
break;
case ClientEvent.Opened:
IsConnected = true;
break;
case ClientEvent.Restart:
case ClientEvent.Faulted:
if (!inFault)
{
inFault = true;
Client.Abort();
RunClose();
await Task.Delay(WaitOnFault.Milliseconds);
RunOpen();
inFault = false;
}
break;
case ClientEvent.Closing:
break;
case ClientEvent.Closed:
break;
}
}
}
}
catch (Exception ex)
{
ex.LogException();
QueuedEvent.New(ClientEvent.Exception);
}
finally
{
RunClose();
Disposed = true;
QueuedEvent.OnNew = null;
}
});
}
private void Client_Opened(object sender, EventArgs e) => QueuedEvent.New(ClientEvent.Opened);
private void Client_Faulted(object sender, EventArgs e) => QueuedEvent.New(ClientEvent.Faulted);
private void SingleInternalSendEvent(QueuedEvent _eventData)
{
Event _event = _eventData._event;
State from = context.State;
switch (context.State)
{
case State.WaitForEvent:
switch (_event)
{
case Event.VolumeUp:
if (TransitionTo(State.VolumeUp, from))
{
SwitchState(from, State.VolumeUp);
}
break;
case Event.VolumeDown:
if (TransitionTo(State.VolumeDown, from))
{
SwitchState(from, State.VolumeDown);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.VolumeUp:
switch (_event)
{
case Event.VolumeChanged:
if (TransitionTo(State.WaitForEvent, from))
{
SwitchState(from, State.WaitForEvent);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
case State.VolumeDown:
switch (_event)
{
case Event.VolumeChanged:
if (TransitionTo(State.WaitForEvent, from))
{
SwitchState(from, State.WaitForEvent);
}
break;
default:
if (!HandleInternalActions(from, _event) && !IsEventIgnored(from, _event))
{
throw new System.Exception(string.Format("Unhandled event '{0}' in state '{1}'", _event.ToString(), context.State.ToString()));
}
break;
}
break;
}
}
public object DeserializeEvent(QueuedEvent queuedEvent)
{
return(null);
}
/// <summary>
/// 処理待ちイベントを構文解析する
/// </summary>
/// <param name="lexer">字句解析器</param>
/// <returns>処理待ちイベント</returns>
private static QueuedEvent ParseQueuedEvent(TextLexer lexer)
{
// =
Token token = lexer.GetToken();
if (token.Type != TokenType.Equal)
{
Log.InvalidToken(LogCategory, token, lexer);
return null;
}
// {
token = lexer.GetToken();
if (token.Type != TokenType.OpenBrace)
{
Log.InvalidToken(LogCategory, token, lexer);
return null;
}
QueuedEvent qe = new QueuedEvent();
while (true)
{
token = lexer.GetToken();
// ファイルの終端
if (token == null)
{
break;
}
// } (セクション終端)
if (token.Type == TokenType.CloseBrace)
{
break;
}
// 無効なトークン
if (token.Type != TokenType.Identifier)
{
Log.InvalidToken(LogCategory, token, lexer);
lexer.SkipLine();
continue;
}
string keyword = token.Value as string;
if (string.IsNullOrEmpty(keyword))
{
continue;
}
keyword = keyword.ToLower();
// tag
if (keyword.Equals("tag"))
{
Country? tag = ParseTag(lexer);
if (!tag.HasValue)
{
Log.InvalidClause(LogCategory, "tag", lexer);
continue;
}
// イベント発生国
qe.Country = (Country) tag;
continue;
}
// id
if (keyword.Equals("id"))
{
int? n = ParseInt(lexer);
if (!n.HasValue)
{
Log.InvalidClause(LogCategory, "id", lexer);
continue;
}
// イベントID
qe.Id = (int) n;
continue;
}
// hour
if (keyword.Equals("hour"))
{
int? n = ParseInt(lexer);
if (!n.HasValue)
{
Log.InvalidClause(LogCategory, "hour", lexer);
continue;
}
// イベント発生待ち時間
qe.Hour = (int) n;
continue;
}
// 無効なトークン
Log.InvalidToken(LogCategory, token, lexer);
lexer.SkipLine();
}
return qe;
}
private static unsafe void SnarfWorker ()
{
int event_size = Marshal.SizeOf (typeof (inotify_event));
while (running) {
// We get much better performance if we wait a tiny bit
// between reads in order to let events build up.
// FIXME: We need to be smarter here to avoid queue overflows.
Thread.Sleep (15);
IntPtr buffer;
int nr;
// Will block while waiting for events, but with a 1s timeout.
inotify_snarf_events (inotify_fd,
out nr,
out buffer);
if (!running)
break;
if (nr == 0)
continue;
ArrayList new_events = new ArrayList ();
bool saw_overflow = false;
while (nr > 0) {
// Read the low-level event struct from the buffer.
inotify_event raw_event;
raw_event = (inotify_event) Marshal.PtrToStructure (buffer, typeof (inotify_event));
buffer = (IntPtr) ((long) buffer + event_size);
if ((raw_event.mask & EventType.QueueOverflow) != 0)
saw_overflow = true;
// Now we convert our low-level event struct into a nicer object.
QueuedEvent qe = new QueuedEvent ();
qe.Wd = raw_event.wd;
qe.Type = raw_event.mask;
qe.Cookie = raw_event.cookie;
// Extract the filename payload (if any) from the buffer.
byte [] filename_bytes = new byte[raw_event.len];
Marshal.Copy (buffer, filename_bytes, 0, (int) raw_event.len);
buffer = (IntPtr) ((long) buffer + raw_event.len);
int n_chars = 0;
while (n_chars < filename_bytes.Length && filename_bytes [n_chars] != 0)
++n_chars;
qe.Filename = "";
if (n_chars > 0)
qe.Filename = FileNameMarshaler.LocalToUTF8 (filename_bytes, 0, n_chars);
new_events.Add (qe);
nr -= event_size + (int) raw_event.len;
}
if (saw_overflow)
Logger.Log.Warn ("Inotify queue overflow!");
lock (event_queue) {
event_queue.AddRange (new_events);
Monitor.Pulse (event_queue);
}
}
}
public void PairWith (QueuedEvent other)
{
this.PairedMove = other;
other.PairedMove = this;
if (this.HoldUntil < other.HoldUntil)
this.HoldUntil = other.HoldUntil;
other.HoldUntil = this.HoldUntil;
}
static unsafe void SnarfWorker()
{
Encoding filename_encoding = Encoding.UTF8;
int event_size = Marshal.SizeOf (typeof (inotify_event));
while (running) {
IntPtr buffer;
int nr;
// Will block while waiting for events, but with a 1s timeout.
inotify_snarf_events (inotify_fd,
out nr,
out buffer);
if (!running)
break;
if (nr == 0)
continue;
ArrayList new_events = new ArrayList ();
while (nr > 0) {
// Read the low-level event struct from the buffer.
inotify_event raw_event;
raw_event = (inotify_event) Marshal.PtrToStructure (buffer, typeof (inotify_event));
buffer = (IntPtr) ((long) buffer + event_size);
// Now we convert our low-level event struct into a nicer object.
QueuedEvent qe = new QueuedEvent ();
qe.Wd = raw_event.wd;
qe.Type = raw_event.mask;
qe.Cookie = raw_event.cookie;
// Extract the filename payload (if any) from the buffer.
byte [] filename_bytes = new byte[raw_event.len];
Marshal.Copy (buffer, filename_bytes, 0, (int) raw_event.len);
buffer = (IntPtr) ((long) buffer + raw_event.len);
int n_chars = 0;
while (n_chars < filename_bytes.Length && filename_bytes [n_chars] != 0)
++n_chars;
qe.Filename = "";
if (n_chars > 0)
qe.Filename = filename_encoding.GetString (filename_bytes, 0, n_chars);
new_events.Add (qe);
nr -= event_size + (int) raw_event.len;
}
lock (event_queue) {
event_queue.AddRange (new_events);
Monitor.Pulse (event_queue);
}
}
}
public void KeyPress(KeyboardKey key)
{
_Queue.Enqueue(QueuedEvent.CreateKeyPress(key));
ActionEvent();
}
private static void DispatchWorker()
{
while (running)
{
QueuedEvent next_event = null;
// Until we find something we want to dispatch, we will stay
// inside the following block of code.
lock (event_queue) {
while (running)
{
CleanQueue_Unlocked();
AnalyzeQueue_Unlocked();
// Now look for an event to dispatch.
DateTime min_hold_until = DateTime.MaxValue;
DateTime now = DateTime.Now;
foreach (QueuedEvent qe in event_queue)
{
if (qe.Dispatched)
{
continue;
}
if (qe.HoldUntil <= now)
{
next_event = qe;
break;
}
if (qe.HoldUntil < min_hold_until)
{
min_hold_until = qe.HoldUntil;
}
}
// If we found an event, break out of this block
// and dispatch it.
if (next_event != null)
{
break;
}
// If we didn't find an event to dispatch, we can sleep
// (1) until the next hold-until time
// (2) until the lock pulses (which means something changed, so
// we need to check that we are still running, new events
// are on the queue, etc.)
// and then we go back up and try to find something to dispatch
// all over again.
if (min_hold_until == DateTime.MaxValue)
{
Monitor.Wait(event_queue);
}
else
{
Monitor.Wait(event_queue, min_hold_until - now);
}
}
}
// If "running" gets set to false, we might get a null next_event as the above
// loop terminates
if (next_event == null)
{
return;
}
// Now we have an event, so we release the event_queue lock and do
// the actual dispatch.
// Before we get any further, mark it
next_event.Dispatched = true;
WatchInfo watched;
watched = Lookup(next_event.Wd, next_event.Type);
if (watched == null)
{
continue;
}
string srcpath = null;
// If this event is a paired MoveTo, there is extra work to do.
if ((next_event.Type & EventType.MovedTo) != 0 && next_event.PairedMove != null)
{
WatchInfo paired_watched;
paired_watched = Lookup(next_event.PairedMove.Wd, next_event.PairedMove.Type);
if (paired_watched != null)
{
// Set the source path accordingly.
srcpath = Path.Combine(paired_watched.Path, next_event.PairedMove.Filename);
// Handle the internal rename of the directory.
if ((next_event.Type & EventType.IsDirectory) != 0)
{
HandleMove(srcpath, watched.Path, next_event.Filename);
}
}
}
SendEvent(watched, next_event.Filename, srcpath, next_event.Type);
// If a directory we are watching gets ignored, we need
// to remove it from the watchedByFoo hashes.
if ((next_event.Type & EventType.Ignored) != 0)
{
lock (watched_by_wd)
Forget(watched);
}
}
}
public void Delay(short milliseconds)
{
_Queue.Enqueue(QueuedEvent.CreateDelay(milliseconds));
ActionEvent();
}