public StatusController(
IDispatcher dispatcher,
ISampler sampler,
ISpanContextAccessor spanContextAccessor)
{
_dispatcher = dispatcher;
_sampler = sampler;
_spanContextAccessor = spanContextAccessor;
}
static DataService()
{
var sender = new ZipkinHttpSender("http://localhost:9411");
var reporter = new ZipkinReporter(sender);
var reporters = new[] { reporter };
Sampler = new RateSampler(1f);
Dispatcher = new AsyncActionBlockDispatcher(reporters);
SpanContextAccessor = new SystemWebHttpContextSpanContextAccessor();
}
public EndpointTracingBehavior(
string remoteEndpointName,
ISampler sampler,
IDispatcher dispatcher,
ISpanContextAccessor spanContextAccessor)
{
_remoteEndpointName = remoteEndpointName;
_sampler = sampler;
_dispatcher = dispatcher;
_spanContextAccessor = spanContextAccessor;
}
public ValuesController(
IHttpClientFactory httpClientFactory,
IDispatcher dispatcher,
ISampler sampler,
ISpanContextAccessor spanContextAccessor)
{
_httpClientFactory = httpClientFactory;
_dispatcher = dispatcher;
_sampler = sampler;
_spanContextAccessor = spanContextAccessor;
}
public ServiceTracingBehavior(
string localEndpointName,
ISampler sampler,
IDispatcher dispatcher,
ISpanContextAccessor spanContextAccessor)
{
_localEndpointName = localEndpointName;
_sampler = sampler;
_dispatcher = dispatcher;
_spanContextAccessor = spanContextAccessor;
}
public DispatchTracingMessageInspector(
string localEndpointName,
ISampler sampler,
IDispatcher dispatcher,
ISpanContextAccessor spanContextAccessor)
{
_localEndpointName = localEndpointName;
_sampler = sampler;
_dispatcher = dispatcher;
_spanContextAccessor = spanContextAccessor;
_spanContextExtractor = new IncomingWebRequestB3SpanContextExtractor();
}
public ClientTracingMessageInspector(
string remoteServiceName,
ISampler sampler,
IDispatcher dispatcher,
ISpanContextAccessor spanContextAccessor)
{
_remoteServiceName = remoteServiceName;
_sampler = sampler;
_dispatcher = dispatcher;
_spanContextAccessor = spanContextAccessor;
_spanContextInjector = new HttpRequestMessagePropertyB3SpanContextInjector();
}
/// <summary>
/// Construct a new <see cref="TracingMiddleware"/>.
/// </summary>
/// <param name="localEndpointName">
/// The endpoint name describes the host recording the span.
/// </param>
/// <param name="spanContextAccessor">
/// A <see cref="ISpanContextAccessor"/> used to access the parent span context.
/// </param>
/// <param name="dispatcher">
/// A <see cref="IDispatcher"/> used to dispatch completed spans to reporters.
/// </param>
/// <param name="sampler">
/// A <see cref="ISampler"/> used to make sampling decisions.
/// </param>
public TracingMiddleware(
string localEndpointName,
ISpanContextAccessor spanContextAccessor,
IDispatcher dispatcher,
ISampler sampler)
{
_localEndpointName = localEndpointName;
_spanContextAccessor = spanContextAccessor ?? throw new ArgumentNullException(nameof(spanContextAccessor));
_dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
_sampler = sampler ?? throw new ArgumentNullException(nameof(sampler));
_spanContextExtractor = new HttpRequestB3SpanContextExtractor();
}
/// <summary>
/// Construct a new <see cref="TracingHandler"/> with an inner handler.
/// </summary>
/// <param name="spanContextAccessor">
/// A <see cref="ISpanContextAccessor"/> used to access span context.
/// </param>
/// <param name="dispatcher">
/// A <see cref="IDispatcher"/> used to dispatch completed spans to reporters.
/// </param>
/// <param name="sampler">
/// A <see cref="ISampler"/> used to make sampling decisions.
/// </param>
/// <param name="remoteEndpointName">
/// The name of the receiver.
/// </param>
public TracingHandler(
ISpanContextAccessor spanContextAccessor,
IDispatcher dispatcher,
ISampler sampler,
string remoteEndpointName)
{
_remoteEndpointName = remoteEndpointName ?? throw new ArgumentNullException(nameof(remoteEndpointName));
_spanContextAccessor = spanContextAccessor ?? throw new ArgumentNullException(nameof(spanContextAccessor));
_dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
_sampler = sampler ?? throw new ArgumentNullException(nameof(sampler));
_spanContextInjector = new HttpRequestMessageB3SpanContextInjector();
}
public void Ctor_NullArgs(
ISpanContextAccessor spanContextAccessor,
IDispatcher dispatcher,
ISampler sampler,
string remoteEndpointName)
{
Assert.Throws <ArgumentNullException>(
() => new TracingHandler(
spanContextAccessor,
dispatcher,
sampler,
remoteEndpointName));
}