public void Inject(ITraceContext traceContext, C carrier)
{
_setter(carrier, _b3Propagation.TraceIdKey, traceContext.SerializeTraceId());
_setter(carrier, _b3Propagation.SpanIdKey, traceContext.SerializeSpanId());
if (traceContext.ParentSpanId != null)
{
// Cannot be null in theory, the root span must have been created on request receive hence further RPC calls are necessary children
_setter(carrier, _b3Propagation.ParentSpanIdKey, traceContext.SerializeParentSpanId());
}
_setter(carrier, _b3Propagation.DebugKey, traceContext.SerializeDebugKey());
// Add "Sampled" header for compatibility with Finagle
if (traceContext.Sampled.HasValue)
{
_setter(carrier, _b3Propagation.SampledKey, traceContext.SerializeSampledKey());
}
}
static async Task ProduceMessage(ITraceContext traceContext, string text)
{
var client = new HttpClient
{
BaseAddress = new Uri("http://localhost:51589")
};
var message = new Message
{
Text = text,
TraceId = traceContext.SerializeTraceId(),
SpanId = traceContext.SerializeSpanId(),
Sampled = traceContext.SerializeSampledKey(),
Flags = long.Parse(traceContext.SerializeDebugKey())
};
var stringContent = JsonConvert.SerializeObject(message);
await client.SendAsync(new HttpRequestMessage(HttpMethod.Post, "messages/push")
{
Content = new StringContent(stringContent, Encoding.UTF8, "application/json")
});;
}
