private static ISampler GetSampler(JaegerOptions options)
{
switch (options.Sampler)
{
case "const": return(new ConstSampler(true));
case "rate": return(new RateLimitingSampler(options.MaxTracesPerSecond));
case "probabilistic": return(new ProbabilisticSampler(options.SamplingRate));
default: return(new ConstSampler(true));
}
}
public static IFixerBuilder AddJaeger(this IFixerBuilder builder, JaegerOptions options)
{
builder.Services.AddSingleton(options);
if (!options.Enabled)
{
var defaultTracer = ConveyDefaultTracer.Create();
builder.Services.AddSingleton(defaultTracer);
return(builder);
}
if (!builder.TryRegister(RegistryName) || _initialized)
{
return(builder);
}
_initialized = true;
builder.Services.AddSingleton <ITracer>(sp =>
{
var loggerFactory = sp.GetRequiredService <ILoggerFactory>();
var reporter = new RemoteReporter.Builder()
.WithSender(new UdpSender(options.UdpHost, options.UdpPort, options.MaxPacketSize))
.WithLoggerFactory(loggerFactory)
.Build();
var sampler = GetSampler(options);
var tracer = new Tracer.Builder(options.ServiceName)
.WithLoggerFactory(loggerFactory)
.WithReporter(reporter)
.WithSampler(sampler)
.Build();
GlobalTracer.Register(tracer);
return(tracer);
});
return(builder);
}