public CloseAsyncResult(SingletonDictionaryManager <TKey, TInstance> owner, TimeSpan timeout, AsyncCallback callback, object state) : base(callback, state)
{
List <TKey> tKeys;
this.owner = owner;
this.syncRoot = new object();
this.timeoutHelper = new Microsoft.ServiceBus.Common.TimeoutHelper(timeout);
lock (this.owner.ThisLock)
{
tKeys = new List <TKey>(this.owner.instances.Keys);
}
this.IncreaseWaitCount();
foreach (TKey tKey in tKeys)
{
try
{
this.IncreaseWaitCount();
(new SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult(this.owner, tKey, null, false, this.timeoutHelper.RemainingTime(), SingletonDictionaryManager <TKey, TInstance> .CloseAsyncResult.OnUnloadCompletedCallback, this)).Start();
}
catch (Exception exception1)
{
Exception exception = exception1;
if (Fx.IsFatal(exception))
{
throw;
}
this.DecreaseWaitCount(exception, true);
}
}
this.DecreaseWaitCount(null, true);
}
protected TInstance GetInstance(TKey key, TimeSpan timeout)
{
SingletonDictionaryManager <TKey, TInstance> .GetInstanceAsyncResult getInstanceAsyncResult = new SingletonDictionaryManager <TKey, TInstance> .GetInstanceAsyncResult(this, key, timeout, null, null);
getInstanceAsyncResult.RunSynchronously();
return(getInstanceAsyncResult.Instance);
}
protected TInstance LoadInstance(TKey key, object loadingContext, TimeSpan timeout)
{
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult loadInstanceAsyncResult = new SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult(this, key, loadingContext, timeout, null, null);
loadInstanceAsyncResult.RunSynchronously();
return(loadInstanceAsyncResult.Instance);
}
private void IncreaseWaitCount()
{
lock (this.syncRoot)
{
SingletonDictionaryManager <TKey, TInstance> .CloseAsyncResult closeAsyncResult = this;
closeAsyncResult.waitCount = closeAsyncResult.waitCount + 1;
}
}
public LoadInstanceAsyncResult(SingletonDictionaryManager <TKey, TInstance> owner, TKey key, object loadingContext, TimeSpan timeout, AsyncCallback callback, object state) : base(timeout, callback, state)
{
this.owner = owner;
this.key = key;
this.loadingContext = loadingContext;
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult loadInstanceAsyncResult = this;
loadInstanceAsyncResult.OnCompleting = (Action <AsyncResult, Exception>)Delegate.Combine(loadInstanceAsyncResult.OnCompleting, SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult.CompletingDelegate);
}
public UnloadInstanceAsyncResult(SingletonDictionaryManager <TKey, TInstance> owner, TKey key, object unloadingContext, bool shouldAbort, TimeSpan timeout, AsyncCallback callback, object state) : base(TimeSpan.MaxValue, callback, state)
{
this.owner = owner;
this.key = key;
this.unloadingContext = unloadingContext;
this.shouldAbort = shouldAbort;
this.closeTimeout = timeout;
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult = this;
unloadInstanceAsyncResult.OnCompleting = (Action <AsyncResult, Exception>)Delegate.Combine(unloadInstanceAsyncResult.OnCompleting, SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult.CompletingDelegate);
}
protected bool TryGetSingletonContext(TKey key, out SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext)
{
bool flag;
lock (base.ThisLock)
{
flag = this.instances.TryGetValue(key, out singletonContext);
}
return(flag);
}
protected override void OnAbort()
{
lock (base.ThisLock)
{
foreach (TKey list in this.instances.Keys.ToList <TKey>())
{
SingletonDictionaryManager <TKey, TInstance> .SingletonContext item = this.instances[list];
if (item.State != SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loaded)
{
continue;
}
this.instances.Remove(list);
this.OnAbortInstance(item, list, item.Instance, null);
}
}
}
private static void OnUnloadCompleted(IAsyncResult result)
{
SingletonDictionaryManager <TKey, TInstance> .CloseAsyncResult asyncState = (SingletonDictionaryManager <TKey, TInstance> .CloseAsyncResult)result.AsyncState;
try
{
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult.End(result);
asyncState.DecreaseWaitCount(null, result.CompletedSynchronously);
}
catch (Exception exception1)
{
Exception exception = exception1;
if (Fx.IsFatal(exception))
{
throw;
}
asyncState.DecreaseWaitCount(exception, result.CompletedSynchronously);
}
}
private void DecreaseWaitCount(Exception exception, bool isCompletedSynchronously)
{
bool flag = false;
lock (this.syncRoot)
{
if (this.firstException == null)
{
this.firstException = exception;
}
SingletonDictionaryManager <TKey, TInstance> .CloseAsyncResult closeAsyncResult = this;
int num = closeAsyncResult.waitCount - 1;
int num1 = num;
closeAsyncResult.waitCount = num;
if (num1 == 0)
{
flag = true;
}
}
if (flag)
{
base.Complete(isCompletedSynchronously, this.firstException);
}
}
protected override IEnumerator <IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult> .AsyncStep> GetAsyncSteps()
{
while (true)
{
Monitor.Enter(this.owner.ThisLock);
this.shouldReleaseLock = true;
try
{
if (!this.owner.instances.TryGetValue(this.key, out this.singletonContext))
{
break;
}
if (this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loaded)
{
this.singletonContext.State = SingletonDictionaryManager <TKey, TInstance> .SingletonState.Unloading;
this.instance = this.singletonContext.Instance;
this.ownsUnloading = true;
break;
}
else if (this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loading || this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Unloading)
{
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult> .BeginCall beginCall = (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => {
IAsyncResult asyncResult;
try
{
thisPtr.shouldReleaseLock = false;
asyncResult = thisPtr.owner.BeginWaitPendingOperation(thisPtr.key, t, c, s);
}
finally
{
Monitor.Exit(thisPtr.owner.ThisLock);
}
return(asyncResult);
};
yield return(unloadInstanceAsyncResult.CallAsync(beginCall, (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.owner.EndWaitPendingOperation(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
}
else
{
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] state = new object[] { this.singletonContext.State, typeof(SingletonDictionaryManager <TKey, TInstance>).Name };
string str = string.Format(invariantCulture, "{0} was not recognized. This is likely a bug in {1}.", state);
Fx.AssertAndFailFastService(str);
break;
}
}
finally
{
if (this.shouldReleaseLock)
{
Monitor.Exit(this.owner.ThisLock);
}
}
}
if (this.ownsUnloading)
{
if (!this.waitPendingOperationsCalled)
{
this.waitPendingOperationsCalled = true;
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult1 = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult> .BeginCall beginCall1 = (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => thisPtr.owner.OnBeginWaitPendingOperations(thisPtr.instance, thisPtr.closeTimeout, c, s);
yield return(unloadInstanceAsyncResult1.CallAsync(beginCall1, (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.owner.OnEndWaitPendingOperations(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
}
if (!this.shouldAbort)
{
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult2 = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult> .BeginCall beginCall2 = (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => thisPtr.owner.OnBeginCloseInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.instance, thisPtr.unloadingContext, thisPtr.closeTimeout, c, s);
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult> .EndCall endCall = (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.owner.OnEndCloseInstance(r);
yield return(unloadInstanceAsyncResult2.CallAsync(beginCall2, endCall, (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult thisPtr, TimeSpan t) => thisPtr.owner.OnCloseInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.instance, thisPtr.unloadingContext, thisPtr.closeTimeout), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
}
}
}
private static void OnFinally(AsyncResult result, Exception exception)
{
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult = (SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult)result;
if (unloadInstanceAsyncResult.ownsUnloading)
{
try
{
if (exception != null || unloadInstanceAsyncResult.shouldAbort)
{
unloadInstanceAsyncResult.owner.OnAbortInstance(unloadInstanceAsyncResult.singletonContext, unloadInstanceAsyncResult.key, unloadInstanceAsyncResult.instance, unloadInstanceAsyncResult.unloadingContext);
}
}
finally
{
lock (unloadInstanceAsyncResult.owner.ThisLock)
{
unloadInstanceAsyncResult.owner.instances.Remove(unloadInstanceAsyncResult.key);
}
unloadInstanceAsyncResult.owner.SignalPendingOperations(unloadInstanceAsyncResult.key);
}
}
}
public SingletonContext(SingletonDictionaryManager <TKey, TInstance> .SingletonState initialState)
{
this.State = initialState;
}
protected abstract IAsyncResult OnBeginOpenInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, TInstance instance, TimeSpan timeout, AsyncCallback callback, object state);
protected override IEnumerator <IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .AsyncStep> GetAsyncSteps()
{
while (true)
{
Monitor.Enter(this.owner.ThisLock);
this.shouldReleaseLock = true;
try
{
this.owner.ThrowIfDisposedOrNotOpen();
if (!this.owner.instances.TryGetValue(this.key, out this.singletonContext))
{
this.singletonContext = new SingletonDictionaryManager <TKey, TInstance> .SingletonContext(SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loading);
this.owner.instances.Add(this.key, this.singletonContext);
this.ownsLoading = true;
break;
}
else if (this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loaded)
{
this.Instance = this.singletonContext.Instance;
break;
}
else if (base.RemainingTime() <= TimeSpan.Zero)
{
base.Complete(new TimeoutException(SRCore.TimeoutOnOperation(base.OriginalTimeout)));
goto Label0;
}
else if (this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loading || this.singletonContext.State == SingletonDictionaryManager <TKey, TInstance> .SingletonState.Unloading)
{
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult loadInstanceAsyncResult = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .BeginCall beginCall = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => {
IAsyncResult asyncResult;
try
{
thisPtr.shouldReleaseLock = false;
asyncResult = thisPtr.owner.BeginWaitPendingOperation(thisPtr.key, t, c, s);
}
finally
{
Monitor.Exit(thisPtr.owner.ThisLock);
}
return(asyncResult);
};
yield return(loadInstanceAsyncResult.CallAsync(beginCall, (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.owner.EndWaitPendingOperation(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
}
else
{
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] state = new object[] { this.singletonContext.State, typeof(SingletonDictionaryManager <TKey, TInstance>).Name };
string str = string.Format(invariantCulture, "{0} was not recognized. This is likely a bug in {1}.", state);
Fx.AssertAndFailFastService(str);
break;
}
}
finally
{
if (this.shouldReleaseLock)
{
Monitor.Exit(this.owner.ThisLock);
}
}
}
if (!this.ownsLoading)
{
this.owner.OnGetInstance(this.singletonContext, this.key, this.singletonContext.Instance, this.loadingContext);
}
else
{
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult loadInstanceAsyncResult1 = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .BeginCall beginCall1 = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => thisPtr.owner.OnBeginCreateInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.loadingContext, t, c, s);
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .EndCall instance = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.singletonContext.Instance = thisPtr.owner.OnEndCreateInstance(r);
yield return(loadInstanceAsyncResult1.CallAsync(beginCall1, instance, (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, TimeSpan t) => thisPtr.singletonContext.Instance = thisPtr.owner.OnCreateInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.loadingContext, t), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
this.created = true;
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult loadInstanceAsyncResult2 = this;
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .BeginCall beginCall2 = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => thisPtr.owner.OnBeginOpenInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.singletonContext.Instance, t, c, s);
IteratorAsyncResult <SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult> .EndCall endCall = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, IAsyncResult r) => thisPtr.owner.OnEndOpenInstance(r);
yield return(loadInstanceAsyncResult2.CallAsync(beginCall2, endCall, (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult thisPtr, TimeSpan t) => thisPtr.owner.OnOpenInstance(thisPtr.singletonContext, thisPtr.key, thisPtr.singletonContext.Instance, t), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Transfer));
}
Label0:
yield break;
}
private static void OnFinally(AsyncResult result, Exception exception)
{
SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult instance = (SingletonDictionaryManager <TKey, TInstance> .LoadInstanceAsyncResult)result;
if (instance.ownsLoading)
{
if (exception != null || instance.owner.State != CommunicationState.Opened)
{
try
{
if (instance.created)
{
instance.owner.OnAbortInstance(instance.singletonContext, instance.key, instance.singletonContext.Instance, null);
}
}
finally
{
lock (instance.owner.ThisLock)
{
instance.owner.instances.Remove(instance.key);
}
instance.owner.SignalPendingOperations(instance.key);
}
}
else
{
lock (instance.owner.ThisLock)
{
instance.Instance = instance.singletonContext.Instance;
instance.singletonContext.State = SingletonDictionaryManager <TKey, TInstance> .SingletonState.Loaded;
}
instance.owner.SignalPendingOperations(instance.key);
MessagingClientEtwProvider.TraceClient(() => MessagingClientEtwProvider.Provider.EventWriteSingletonManagerLoadSucceeded(instance.key.ToString()));
}
}
}
public GetInstanceAsyncResult(SingletonDictionaryManager <TKey, TInstance> owner, TKey key, TimeSpan timeout, AsyncCallback callback, object state) : base(timeout, callback, state)
{
this.owner = owner;
this.key = key;
this.Instance = default(TInstance);
}
protected abstract void OnCloseInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, TInstance instance, object unloadingContext, TimeSpan timeout);
protected abstract TInstance OnCreateInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, object loadingContext, TimeSpan timeout);
protected virtual void OnGetInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, TInstance instance, object loadingContext)
{
}
protected abstract void OnAbortInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, TInstance instance, object unloadingContext);
protected abstract void OnOpenInstance(SingletonDictionaryManager <TKey, TInstance> .SingletonContext singletonContext, TKey key, TInstance instance, TimeSpan timeout);
protected void UnloadInstance(TKey key, object unloadingContext, bool shouldAbort, TimeSpan timeout)
{
SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult unloadInstanceAsyncResult = new SingletonDictionaryManager <TKey, TInstance> .UnloadInstanceAsyncResult(this, key, unloadingContext, shouldAbort, timeout, null, null);
unloadInstanceAsyncResult.RunSynchronously();
}