private bool TryExtractTracestate(string[] tracestateCollection, out List <KeyValuePair <string, string> > tracestateResult)
{
tracestateResult = null;
try
{
if (tracestateCollection != null)
{
tracestateResult = new List <KeyValuePair <string, string> >();
// Iterate in reverse order because when call builder set the elements is added in the
// front of the list.
for (int i = tracestateCollection.Length - 1; i >= 0; i--)
{
if (!TracestateUtils.AppendTracestate(tracestateCollection[i], tracestateResult))
{
return(false);
}
}
}
return(true);
}
catch (Exception)
{
// failure to parse tracestate should not disregard traceparent
// TODO: logging
}
return(false);
}
/// <inheritdoc/>
public void Inject <T>(SpanContext spanContext, T carrier, Action <T, string, string> setter)
{
if (!spanContext.IsValid)
{
OpenTelemetryApiEventSource.Log.FailedToInjectSpanContext("Invalid context");
return;
}
if (carrier == null)
{
OpenTelemetryApiEventSource.Log.FailedToInjectSpanContext("null carrier");
return;
}
if (setter == null)
{
OpenTelemetryApiEventSource.Log.FailedToInjectSpanContext("null setter");
return;
}
var traceparent = string.Concat("00-", spanContext.TraceId.ToHexString(), "-", spanContext.SpanId.ToHexString());
traceparent = string.Concat(traceparent, (spanContext.TraceFlags & ActivityTraceFlags.Recorded) != 0 ? "-01" : "-00");
setter(carrier, TraceParent, traceparent);
string tracestateStr = TracestateUtils.GetString(spanContext.Tracestate);
if (tracestateStr.Length > 0)
{
setter(carrier, TraceState, tracestateStr);
}
}
private bool TryExtractTracestate(string[] tracestateCollection, out Tracestate tracestateResult)
{
tracestateResult = Tracestate.Empty;
var tracestateBuilder = Tracestate.Builder;
try
{
var names = new HashSet <string>();
if (tracestateCollection != null)
{
// Iterate in reverse order because when call builder set the elements is added in the
// front of the list.
for (int i = tracestateCollection.Length - 1; i >= 0; i--)
{
if (!TracestateUtils.TryExtractTracestate(tracestateCollection[i], tracestateBuilder))
{
return(false);
}
}
}
tracestateResult = tracestateBuilder.Build();
return(true);
}
catch (Exception)
{
// failure to parse tracestate should not disregard traceparent
// TODO: logging
}
return(false);
}
/// <inheritdoc/>
public void Inject <T>(SpanContext spanContext, T carrier, Action <T, string, string> setter)
{
var traceparent = string.Concat("00-", spanContext.TraceId.ToHexString(), "-", spanContext.SpanId.ToHexString());
traceparent = string.Concat(traceparent, (spanContext.TraceOptions & ActivityTraceFlags.Recorded) != 0 ? "-01" : "-00");
setter(carrier, "traceparent", traceparent);
string tracestateStr = TracestateUtils.GetString(spanContext.Tracestate);
if (tracestateStr.Length > 0)
{
setter(carrier, "tracestate", tracestateStr);
}
}
private bool TryExtractTracestate(string[] tracestateCollection, out List <KeyValuePair <string, string> > tracestateResult)
{
tracestateResult = null;
if (tracestateCollection != null)
{
tracestateResult = new List <KeyValuePair <string, string> >();
// Iterate in reverse order because when call builder set the elements is added in the
// front of the list.
for (int i = tracestateCollection.Length - 1; i >= 0; i--)
{
if (!TracestateUtils.AppendTracestate(tracestateCollection[i], tracestateResult))
{
return(false);
}
}
}
return(true);
}
