public ISpan Start()
{
Trace trace = CreateTrace();
OtSpanKind spanKind = GetSpanKind();
RecordAnnotation(trace, GetOpeningAnnotation(spanKind));
RecordAnnotation(trace, Annotations.ServiceName(_tracer.ServiceName));
RecordAnnotation(trace, Annotations.Rpc(_operationName));
return(new OtSpan(trace, spanKind, _tags));
}
public OtSpan(Trace trace, OtSpanKind spanKind, Dictionary <string, string> tags)
{
_spanKind = spanKind;
Trace = trace;
Context = new OtSpanContext(trace);
if (tags != null)
{
foreach (var entry in tags)
{
SetZipkinTag(entry.Key, entry.Value);
}
}
}
private static IAnnotation GetClosingAnnotation(OtSpanKind spanKind)
{
switch (spanKind)
{
case OtSpanKind.Client:
return(Annotations.ClientRecv());
case OtSpanKind.Server:
return(Annotations.ServerSend());
case OtSpanKind.Local:
return(Annotations.LocalOperationStop());
default:
throw new NotSupportedException("SpanKind: " + spanKind + " unknown.");
}
}
private IAnnotation GetOpeningAnnotation(OtSpanKind spanKind)
{
switch (spanKind)
{
case OtSpanKind.Client:
return(Annotations.ClientSend());
case OtSpanKind.Server:
return(Annotations.ServerRecv());
case OtSpanKind.Local:
return(Annotations.LocalOperationStart(_tracer.ServiceName));
default:
throw new NotSupportedException("SpanKind: " + spanKind + " unknown.");
}
}
public ISpan Start()
{
Trace trace = CreateTrace();
OtSpanKind spanKind = GetSpanKind();
RecordAnnotation(trace, GetOpeningAnnotation(spanKind));
RecordAnnotation(trace, Annotations.ServiceName(_tracer.ServiceName));
if (spanKind == OtSpanKind.Producer || spanKind == OtSpanKind.Consumer)
{
RecordAnnotation(trace, Annotations.Rpc(_operationName));
}
else
{
RecordAnnotation(trace, Annotations.Rpc(_operationName));
}
return(new OtSpan(trace, spanKind, _tags));
}
