public HttpHandlerDiagnosticListenerObserver(
HttpHandlerObserverConfig config,
Collector <Counter.Child> counter,
Collector <Summary.Child> summary
)
{
_config = config;
_requestFetcher = new PropertyFetcher("Request");
_responseFetcher = new PropertyFetcher("Response");
_requestCounter = counter;
_requestSummary = summary;
}
/// <summary>
/// Adds the HttpHandler obsever for the HttpHandlerDiagnosticListener
/// </summary>
/// <param name="o"></param>
/// <param name="configure">Configuration options for the observer</param>
public static void AddHttpHandlerObserver(this SubscribeOptions o, Action <HttpHandlerObserverConfig> configure)
{
var config = new HttpHandlerObserverConfig();
configure?.Invoke(config);
var counter = Metrics.CreateCounter("outgoing_http_requests", "Outgoing HTTP Requests Count",
new CounterConfiguration
{
SuppressInitialValue = true,
LabelNames = new[] { "host", "method", "endpoint", "status" }
});
var summary = Metrics.CreateSummary("outgoing_http_requests_time", "Response times in milliseconds",
new SummaryConfiguration
{
SuppressInitialValue = true,
LabelNames = new[] { "host", "method", "endpoint", "status" }
});
o.AddSubscriber("HttpHandlerDiagnosticListener",
new HttpHandlerDiagnosticListenerObserver(config, counter, summary));
}
