internal static void LockInstanceAfterCallout(OperationContext operationContext)
{
if (operationContext != null)
{
InstanceContext instanceContext = operationContext.InstanceContext;
if (operationContext.IsServiceReentrant)
{
ConcurrencyInstanceContextFacet resource = instanceContext.Concurrency;
ThreadWaiter waiter = null;
lock (instanceContext.ThisLock)
{
if (!resource.Locked)
{
resource.Locked = true;
}
else
{
waiter = new ThreadWaiter();
resource.EnqueueCalloutMessage(waiter);
}
}
if (waiter != null)
{
waiter.Wait();
}
}
}
}
private static void UnlockInstance(InstanceContext instanceContext)
{
ConcurrencyInstanceContextFacet concurrency = instanceContext.Concurrency;
lock (instanceContext.ThisLock)
{
if (concurrency.HasWaiters)
{
concurrency.DequeueWaiter().Signal();
}
else
{
concurrency.Locked = false;
}
}
}
private static void UnlockInstance(InstanceContext instanceContext)
{
ConcurrencyInstanceContextFacet resource = instanceContext.Concurrency;
lock (instanceContext.ThisLock)
{
if (resource.HasWaiters)
{
IWaiter nextWaiter = resource.DequeueWaiter();
nextWaiter.Signal();
}
else
{
//We have no pending Callouts and no new Messages to process
resource.Locked = false;
}
}
}
internal void LockInstance(ref MessageRpc rpc)
{
if (this.mode != ConcurrencyMode.Multiple)
{
ConcurrencyInstanceContextFacet concurrency = rpc.InstanceContext.Concurrency;
lock (rpc.InstanceContext.ThisLock)
{
if (!concurrency.Locked)
{
concurrency.Locked = true;
}
else
{
MessageRpcWaiter waiter = new MessageRpcWaiter(rpc.Pause());
concurrency.EnqueueNewMessage(waiter);
}
}
if (this.mode == ConcurrencyMode.Reentrant)
{
rpc.OperationContext.IsServiceReentrant = true;
}
}
}
