Yuriy Lepikhov created PROTON-2830:
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Summary: ClientStreamSender lacks async variant of BeginMessage
Key: PROTON-2830
URL: https://issues.apache.org/jira/browse/PROTON-2830
Project: Qpid Proton
Issue Type: Bug
Components: proton-dotnet
Affects Versions: proton-dotnet-1.0.0-M10
Reporter: Yuriy Lepikhov
Assignee: Timothy A. Bish
ClientStreamSender.BeginMessage is blocking and shouldn't be called in
EventLoop callback.
Call of ClientStreamSender.BeginMessage from EventLoop callback leads to
deadlock.
For example:
{code:java}
using var sender = await
connection.OpenStreamSenderAsync(address).ConfigureAwait(false);
// coninuation will be executed in EventLoop callback, but BeginMessage
publishes event to EventLoop and blocks = deadlock
var message = sender.BeginMessage(); {code}
In general it is good idea not to mix sync and async calls, and
BeginMessageAsync would help in this situation.
Also, is it necessary to introduce new API such as EventLoop whereas
TaskFactory already exists?
May be something like this would be useful:
{code:java}
ConcurrentExclusiveSchedulerPair concurrentExclusiveSchedulerPair = new
ConcurrentExclusiveSchedulerPair(TaskScheduler.Default, 1, 1);
TaskFactory taskFactory = new
TaskFactory(concurrentExclusiveSchedulerPair.ExclusiveScheduler);
// ...
taskFactory.StartNew(...); {code}
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