public Task <T> InvokeAsync <T>(Func <IModel, T> channelAction)
{
Preconditions.CheckNotNull(channelAction, "channelAction");
var tcs = new TaskCompletionSource <T>();
try
{
queue.Add(() =>
{
if (cancellation.IsCancellationRequested)
{
tcs.TrySetCanceledSafe();
return;
}
try
{
persistentChannel.InvokeChannelAction(channel => tcs.TrySetResultSafe(channelAction(channel)));
}
catch (Exception e)
{
tcs.TrySetExceptionSafe(e);
}
}, cancellation.Token);
}
catch (OperationCanceledException)
{
tcs.TrySetCanceled();
}
return(tcs.Task);
}
public Task <T> InvokeAsync <T>(Func <IModel, T> channelAction)
{
Preconditions.CheckNotNull(channelAction, "channelAction");
var tcs = new TaskCompletionSource <T>();
// Set the start time used for calculating the message timeout to be the time when it was added to the queue,
// instead of the time when it is pulled out of the queue when the includeQueTimeInTimeout option is used in the connection string.
DateTime startTime = DateTime.UtcNow;
try
{
queue.Add(() =>
{
if (cancellation.IsCancellationRequested)
{
tcs.TrySetCanceledSafe();
return;
}
try
{
persistentChannel.InvokeChannelAction(channel => tcs.TrySetResultSafe(channelAction(channel)), startTime);
}
catch (Exception e)
{
tcs.TrySetExceptionSafe(e);
}
}, cancellation.Token);
}
catch (OperationCanceledException)
{
tcs.TrySetCanceled();
}
return(tcs.Task);
}
private static void Confirm(TaskCompletionSource <object> tcs, ulong deliveryTag, bool isNack)
{
if (isNack)
{
tcs.TrySetExceptionSafe(new PublishNackedException(string.Format("Broker has signalled that publish {0} was unsuccessful", deliveryTag)));
}
else
{
tcs.TrySetResultSafe(null);
}
}
private static void Confirm(TaskCompletionSource<object> tcs, ulong deliveryTag, bool isNack)
{
if (isNack)
{
tcs.TrySetExceptionSafe(new PublishNackedException(string.Format("Broker has signalled that publish {0} was unsuccessful", deliveryTag)));
}
else
{
tcs.TrySetResultSafe(null);
}
}