private void UseNotificationPipeCallback(IAsyncResult async)
{
OwaAsyncResult owaAsyncResult = (OwaAsyncResult)async;
PendingRequestChannel pendingRequestChannel = null;
if (this.pendingRequestManager == null)
{
return;
}
pendingRequestChannel = this.pendingRequestManager.GetPendingGetChannel(owaAsyncResult.PendingGetId);
if (pendingRequestChannel == null)
{
return;
}
try
{
pendingRequestChannel.EndSendNotification(owaAsyncResult);
}
catch (Exception exception)
{
if (this.pgEventDataDictionary.ContainsKey(owaAsyncResult.PendingGetId))
{
lock (this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult)
{
if (!this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult.IsCompleted)
{
this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult.Exception = exception;
}
}
}
}
try
{
lock (this.pgEventDataDictionary)
{
if (this.pgEventDataDictionary.ContainsKey(owaAsyncResult.PendingGetId))
{
lock (this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult)
{
if (!this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult.IsCompleted)
{
this.pgEventDataDictionary[owaAsyncResult.PendingGetId].AsyncResult.CompleteRequest(owaAsyncResult.CompletedSynchronously);
}
}
this.pgEventDataDictionary.Remove(owaAsyncResult.PendingGetId);
}
}
}
finally
{
try
{
pendingRequestChannel.RecordFinishPendingRequest();
}
catch (OwaOperationNotSupportedException ex)
{
ExTraceGlobals.NotificationsCallTracer.TraceDebug <string>((long)this.GetHashCode(), "An exception was thrown during the processing of the async callback: {0}", ex.Message);
}
}
}
internal void EndSendNotification(IAsyncResult async)
{
OwaAsyncResult owaAsyncResult = (OwaAsyncResult)async;
if (!this.lockTracker.IsLockOwner())
{
throw new OwaInvalidOperationException("A thread that is not the owner of the lock can't call WriteNotification!", owaAsyncResult.Exception, this);
}
this.disposePendingRequest = false;
this.WriteIsRequestAlive(false);
if (owaAsyncResult.Exception != null)
{
throw new OwaNotificationPipeException("An exception happened while handling the pending connection asynchronously", owaAsyncResult.Exception);
}
}
public void EndUseNotificationPipe(IAsyncResult async)
{
if (this.isDisposing)
{
return;
}
OwaAsyncResult owaAsyncResult = (OwaAsyncResult)async;
try
{
string pendingGetId = owaAsyncResult.PendingGetId;
PendingRequestEventData pendingRequestEventData;
if (!this.pgEventDataDictionary.TryGetValue(pendingGetId, out pendingRequestEventData))
{
ExTraceGlobals.NotificationsCallTracer.TraceWarning <string>((long)this.GetHashCode(), "There is no PendingRequestEventData for PendingGetId {0}", pendingGetId);
}
else
{
if (owaAsyncResult.Exception != null)
{
Exception ex = (owaAsyncResult.Exception.InnerException == null) ? owaAsyncResult.Exception : owaAsyncResult.Exception.InnerException;
ExTraceGlobals.NotificationsCallTracer.TraceDebug <string>((long)this.GetHashCode(), "An exception was thrown during the processing of the async request: {0}", ex.Message);
if (pendingRequestEventData.Response != null)
{
StringBuilder stringBuilder = new StringBuilder(500);
stringBuilder.Append(ex.Message);
stringBuilder.Append(":").Append(ex.StackTrace);
pendingRequestEventData.Response.WriteError(PendingRequestUtilities.JavascriptEncode(stringBuilder.ToString()));
}
}
if (pendingRequestEventData.Response != null)
{
pendingRequestEventData.Response.WriteLastChunk();
}
}
}
catch (OwaPermanentException)
{
}
}
// Token: 0x06000ED1 RID: 3793 RVA: 0x0003914E File Offset: 0x0003734E
internal PendingRequestEventData(OwaAsyncResult asyncResult, ChunkedHttpResponse response)
{
this.asyncResult = asyncResult;
this.response = response;
}
public IAsyncResult BeginUseNotificationPipe(AsyncCallback callback, object extraData)
{
ExTraceGlobals.NotificationsCallTracer.TraceDebug((long)this.GetHashCode(), "[PendingRequestEventHandler.BeginUseNotificationPipe] called from the client");
string text = (string)base.GetParameter("cid");
OwaAsyncResult owaAsyncResult = new OwaAsyncResult(callback, extraData, text);
PendingRequestEventData pendingRequestEventData = null;
this.pgEventDataDictionary.TryGetValue(text, out pendingRequestEventData);
UserContext userContext = UserContextManager.GetUserContext(HttpContext.Current);
if (userContext == null || (pendingRequestEventData != null && !pendingRequestEventData.AsyncResult.IsCompleted))
{
owaAsyncResult.CompleteRequest(true);
return(owaAsyncResult);
}
HttpResponse response = HttpContext.Current.Response;
response.AppendHeader("X-NoCompression", "1");
response.AppendHeader("X-NoBuffering", "1");
response.AddHeader("Content-Encoding", "none");
try
{
if (!userContext.GetPendingGetManagerLock())
{
owaAsyncResult.CompleteRequest(true);
return(owaAsyncResult);
}
if (this.pendingRequestManager == null)
{
this.pendingRequestManager = userContext.PendingRequestManager;
}
if (this.pendingRequestManager == null)
{
owaAsyncResult.CompleteRequest(true);
return(owaAsyncResult);
}
PendingRequestChannel pendingRequestChannel = null;
if (this.pendingRequestManager != null)
{
pendingRequestChannel = this.pendingRequestManager.GetPendingGetChannel(text);
}
if (pendingRequestChannel == null)
{
pendingRequestChannel = this.pendingRequestManager.AddPendingGetChannel(text);
}
object parameter = base.GetParameter("A");
if (parameter != null)
{
pendingRequestChannel.MaxTicksPerPendingRequest = (long)parameter * 10000L;
}
pendingRequestEventData = new PendingRequestEventData(owaAsyncResult, new ChunkedHttpResponse(this.HttpContext));
this.pgEventDataDictionary.Add(text, pendingRequestEventData);
try
{
ExTraceGlobals.NotificationsCallTracer.TraceDebug <bool, string>((long)this.GetHashCode(), "[PendingRequestEventHandler.BeginUseNotificationPipe] calling pendingGetChannel.BeginSendNotification. userContext.HasActiveHierarchySubscription: {0}. ChannelId: {1}", userContext.HasActiveHierarchySubscription, text);
pendingRequestChannel.BeginSendNotification(new AsyncCallback(this.UseNotificationPipeCallback), this.pgEventDataDictionary[text].Response, this, userContext.HasActiveHierarchySubscription, text);
}
catch (Exception ex)
{
ExTraceGlobals.NotificationsCallTracer.TraceError <Exception>((long)this.GetHashCode(), "An exception happened while executing BeginUseNotificationPipe. Exception:{0}", ex);
lock (this.pgEventDataDictionary[text].AsyncResult)
{
if (!this.pgEventDataDictionary[text].AsyncResult.IsCompleted)
{
this.pgEventDataDictionary[text].AsyncResult.CompleteRequest(true, ex);
}
}
}
}
finally
{
if (userContext.PendingRequestManager != null && userContext.PendingRequestManager.ShouldDispose)
{
userContext.PendingRequestManager.Dispose();
}
userContext.ReleasePendingGetManagerLock();
}
return(owaAsyncResult);
}
private void ElapsedConnectionAliveTimeout(object state)
{
bool requestRestart = false;
OwaAsyncResult owaAsyncResult = this.asyncResult;
this.pendingRequestManager.FireKeepAlive();
if (DateTime.UtcNow.Ticks - this.startPendingRequestTime > this.MaxTicksPerPendingRequest)
{
this.disposePendingRequest = true;
requestRestart = true;
}
try
{
if (this.lockTracker.TryAcquireLockOnlyIfSucceed())
{
try
{
if (DateTime.UtcNow.Ticks - this.lastWriteTime >= 100000000L)
{
if (this.disposePendingRequest)
{
this.CloseCurrentPendingRequest(false, requestRestart);
this.lockTracker.TryReleaseLock(owaAsyncResult.IsCompleted);
return;
}
this.WriteEmptyNotification();
}
}
catch (Exception e)
{
this.HandleException(e, false);
this.lockTracker.TryReleaseLock(owaAsyncResult.IsCompleted);
return;
}
if (!this.lockTracker.TryReleaseLock(owaAsyncResult.IsCompleted))
{
try
{
this.WriteNotification(false);
}
catch (Exception e2)
{
this.HandleException(e2, false);
}
}
}
}
finally
{
if (this.IsActive)
{
this.checkClientInactiveCounter = 0;
}
else
{
this.checkClientInactiveCounter++;
}
if (this.ShouldBeFinalized)
{
this.pendingRequestManager.RemovePendingGetChannel(this.channelId);
}
if (!this.pendingRequestManager.HasAnyActivePendingGetChannel())
{
if (this.lastDisconnectedTime == 0L)
{
this.lastDisconnectedTime = DateTime.UtcNow.Ticks;
goto IL_1A9;
}
if (DateTime.UtcNow.Ticks - this.lastDisconnectedTime <= 700000000L)
{
goto IL_1A9;
}
this.lastDisconnectedTime = 0L;
try
{
this.pendingRequestManager.FireClientDisconnect();
goto IL_1A9;
}
catch (Exception ex)
{
ExTraceGlobals.NotificationsCallTracer.TraceDebug <string>((long)this.GetHashCode(), "Exception during ClientDisconnected event: {0}", ex.ToString());
goto IL_1A9;
}
}
this.lastDisconnectedTime = 0L;
IL_1A9 :;
}
}
