private bool TryCreateEventRequest(IConsole console, string providerString, out EnableEventsRequest request)
{
// Format:
// provider[:level[:keywords]]
var splat = providerString.Split(':');
var level = EventLevel.Informational;
var keywords = EventKeywords.All;
var provider = splat[0].Trim();
if (splat.Length > 1)
{
if (!Enum.TryParse(splat[1].Trim(), out level))
{
console.Error.WriteLine($"Invalid event level '{splat[1]}'. Expected one of: {string.Join(", ", Enum.GetValues(typeof(EventLevel)))}");
request = null;
return(false);
}
if (splat.Length > 2)
{
if (!TryParseKeywords(splat[2].Trim(), provider, out keywords))
{
request = null;
return(false);
}
}
}
request = new EnableEventsRequest(provider, level, keywords);
return(true);
}
public Task EnableLoggersAsync(IEnumerable <string> loggers)
{
var request = new EnableEventsRequest(
provider: "Microsoft-Extensions-Logging",
level: EventLevel.Verbose,
keywords: (EventKeywords)2,
arguments: new Dictionary <string, string>()
{
{ "FilterSpecs", GenerateFilterSpec(loggers) }
});
return(EnableEventsAsync(new EnableEventsRequest[] { request }));
}
public void EnableEvents(EnableEventsRequest request)
{
lock (_lock)
{
if (_sources.TryGetValue(request.Provider, out var eventSource))
{
// The source has already been created, just enable it
EnableEvents(eventSource, request);
}
else
{
// The source has not yet been created, queue the request
// TODO: Can't handle multiple requests for the same provider!
_queuedRequests.Add(request.Provider, request);
}
}
}
private void EnableEvents(EventSource eventSource, EnableEventsRequest request)
{
EnableEvents(eventSource, request.Level, request.Keywords);
}
