/// <summary>
/// Handle all messages from JSON stream.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
protected virtual void HandleMessage(object sender, JsonMessageEventArgs args)
{
try
{
if (string.IsNullOrWhiteSpace(args.Subject))
{
Logger?.LogError($"{GetType().Name}: No message event subject. [thread: {Thread.CurrentThread.ManagedThreadId}]");
return;
}
// Ignore message events if not subscribed.
// ReSharper disable once InconsistentlySynchronizedField
if (!Subscribers.TryGetValue(args.Subject, out var subscribers))
{
return; // ignore.
}
NotifySubscribers(subscribers?.ToArray(), args.Subject, args.Json);
// Forward stream message event to Publisher Message event observers.
OnMessage(args);
}
catch (OperationCanceledException) { /* ignore */ }
catch (Exception e)
{
Logger?.LogError(e, $"{GetType().Name}: Failed processing JSON message. [thread: {Thread.CurrentThread.ManagedThreadId}]");
}
}
public void Properties()
{
const string json = "{ }";
const string subject = "unit-test";
var args = new JsonMessageEventArgs(json, subject);
Assert.Equal(json, args.Json);
Assert.Equal(subject, args.Subject);
}
private void OnClientMessage(object sender, JsonMessageEventArgs e)
{
if (!_isDataReceivedLogged)
{
Logger?.LogDebug($"{GetType().Name}: Buffering JSON data... [thread: {Thread.CurrentThread.ManagedThreadId}]");
_isDataReceivedLogged = true;
}
_buffer.Post(e.Json);
}
protected override void HandleMessage(object sender, JsonMessageEventArgs args)
{
JsonMessageEventArgsReceived = args;
base.HandleMessage(sender, args);
}
private void OnClientMessage(object sender, JsonMessageEventArgs e)
{
_buffer.Post(e.Json);
}
