private void OnEvent(Event e)
{
int waitHandle = e._WaitHandle;
PendingRecord pendingRecord;
lock (pendingRecords)
{
if (!pendingRecords.TryGetValue(waitHandle, out pendingRecord))
{
return;
}
if (--pendingRecord.Count == 0)
{
pendingRecords.Remove(waitHandle);
}
}
if (pendingRecord.Count == 0)
{
if (pendingRecord.HandleAllocated)
{
WaitHandlePool.Release(waitHandle);
}
TimeFlow.Default.Cancel(pendingRecord.TimeoutToken);
Unbind(new Event {
_WaitHandle = waitHandle
}, OnEvent);
Unbind((TimeoutEvent)pendingRecord.TimeoutToken.value, OnTimeout);
}
Interlocked.Decrement(ref sessionRefCount);
}
private void OnTimeout(TimeoutEvent e)
{
Trace.Debug("{0} response timeout {1}", Name, e.Key);
int waitHandle = (int)e.Key;
int count = 0;
PendingRecord pendingRecord;
lock (pendingRecords)
{
if (!pendingRecords.TryGetValue(waitHandle, out pendingRecord))
{
return;
}
count = pendingRecord.Count;
pendingRecords.Remove(waitHandle);
}
if (pendingRecord.HandleAllocated)
{
WaitHandlePool.Release(waitHandle);
}
Unbind(new Event {
_WaitHandle = waitHandle
}, OnEvent);
Unbind((TimeoutEvent)pendingRecord.TimeoutToken.value, OnTimeout);
Interlocked.Add(ref sessionRefCount, -count);
}
protected WaitForAnyEvent(Coroutine coroutine, Event[] requests,
double seconds, params Event[] e)
{
this.coroutine = coroutine;
if (!ReferenceEquals(requests, null))
{
waitHandle = WaitHandlePool.Acquire();
for (int i = 0, count = requests.Length; i < count; ++i)
{
requests[i]._WaitHandle = waitHandle;
}
for (int i = 0, count = e.Length; i < count; ++i)
{
e[i]._WaitHandle = waitHandle;
}
}
expected = e;
handlerTokens = new Binding.Token[expected.Length];
for (int i = 0; i < expected.Length; ++i)
{
handlerTokens[i] = Flow.Bind(expected[i], OnEvent);
}
if (seconds > 0)
{
TimeoutEvent timeoutEvent = new TimeoutEvent {
Key = this
};
timeoutToken = Flow.Bind(timeoutEvent, OnTimeout);
timerToken = TimeFlow.Default.Reserve(timeoutEvent, seconds);
}
}
void OnEvent(Event e)
{
for (int i = 0; i < expected.Length; ++i)
{
if (actual[i] == null && expected[i].Equivalent(e))
{
Flow.Unbind(handlerTokens[i]);
handlerTokens[i] = new Binding.Token();
actual[i] = e;
++count;
break;
}
}
if (count >= expected.Length)
{
if (timerToken.HasValue)
{
TimeFlow.Default.Cancel(timerToken.Value);
Flow.Unbind(timeoutToken);
}
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
coroutine.Result = actual;
coroutine.Continue();
}
}
void OnTimeout(TimeoutEvent e)
{
Flow.Unbind(handlerToken);
Flow.Unbind(timeoutToken);
int waitHandle = handlerToken.Key._WaitHandle;
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
Trace.Error("WaitForEvent timeout for {0}", handlerToken.Key);
coroutine.Status = CoroutineStatus.Timeout;
coroutine.Result = null; // indicates timeout
coroutine.Continue();
}
void OnEvent(Event e)
{
Flow.Unbind(handlerToken);
if (timerToken.HasValue)
{
TimeFlow.Default.Cancel(timerToken.Value);
Flow.Unbind(timeoutToken);
}
int waitHandle = handlerToken.Key._WaitHandle;
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
coroutine.Result = e;
coroutine.Continue();
}
void OnTimeout(TimeoutEvent e)
{
for (int i = 0, length = expected.Length; i < length; ++i)
{
Flow.Unbind(handlerTokens[i]);
}
Flow.Unbind(timeoutToken);
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
Trace.Error("WaitForAnyEvent timeout for {0}", expected);
coroutine.Status = CoroutineStatus.Timeout;
coroutine.Result = null;
coroutine.Continue();
}
public void ConnectAndRequest(Event req)
{
int waitHandle = req._WaitHandle;
bool handleAllocated = false;
if (waitHandle == 0)
{
waitHandle = WaitHandlePool.Acquire();
req._WaitHandle = waitHandle;
handleAllocated = true;
}
lock (pendingRecords)
{
PendingRecord pendingRecord;
if (!pendingRecords.TryGetValue(waitHandle, out pendingRecord))
{
TimeoutEvent timeoutEvent = new TimeoutEvent {
Key = waitHandle
};
Bind(new Event {
_WaitHandle = waitHandle
}, OnEvent);
Bind(timeoutEvent, OnTimeout);
pendingRecord = new PendingRecord {
HandleAllocated = handleAllocated,
TimeoutToken =
TimeFlow.Default.Reserve(timeoutEvent, ResponseTimeout)
};
pendingRecords.Add(waitHandle, pendingRecord);
}
++pendingRecord.Count;
}
Interlocked.Increment(ref sessionRefCount);
ConnectAndSend(req);
}
protected WaitForEvent(Coroutine coroutine, Event request, Event e, double seconds)
{
this.coroutine = coroutine;
if (!ReferenceEquals(request, null))
{
int waitHandle = WaitHandlePool.Acquire();
request._WaitHandle = waitHandle;
e._WaitHandle = waitHandle;
}
handlerToken = Flow.Bind(e, OnEvent);
if (seconds > 0)
{
TimeoutEvent timeoutEvent = new TimeoutEvent {
Key = this
};
timeoutToken = Flow.Bind(timeoutEvent, OnTimeout);
timerToken = TimeFlow.Default.Reserve(timeoutEvent, seconds);
}
}
void OnTimeout(TimeoutEvent e)
{
for (int i = 0, count = actual.Length; i < count; ++i)
{
if (ReferenceEquals(actual[i], null))
{
Flow.Unbind(handlerTokens[i]);
}
}
Flow.Unbind(timeoutToken);
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
Trace.Error("WaitForAllEvents timeout for {0}", expected);
coroutine.Status = CoroutineStatus.Timeout;
coroutine.Result = actual; // incomplete array indicates timeout
coroutine.Continue();
}
void OnEvent(Event e)
{
int i;
int length = expected.Length;
for (i = 0; i < length; ++i)
{
if (expected[i].Equivalent(e))
{
break;
}
}
if (i >= length)
{
return;
}
for (i = 0; i < length; ++i)
{
Flow.Unbind(handlerTokens[i]);
}
if (timerToken.HasValue)
{
TimeFlow.Default.Cancel(timerToken.Value);
Flow.Unbind(timeoutToken);
}
if (waitHandle != 0)
{
WaitHandlePool.Release(waitHandle);
}
coroutine.Result = e;
coroutine.Continue();
}
