public void EmptyTracestate(string tracestate)
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
Assert.False(TracestateUtils.AppendTracestate(tracestate, tracestateEntries));
Assert.Empty(tracestateEntries);
}
public void InvalidTracestate(string tracestate, int validEntriesCount)
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
Assert.False(TracestateUtils.AppendTracestate(tracestate, tracestateEntries));
Assert.Equal(validEntriesCount, tracestateEntries.Count);
}
public void ValidPair(string pair)
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
Assert.True(TracestateUtils.AppendTracestate(pair, tracestateEntries));
Assert.Single(tracestateEntries);
Assert.Equal(new KeyValuePair <string, string>("k", "v"), tracestateEntries.Single());
Assert.Equal("k=v", TracestateUtils.GetString(tracestateEntries));
}
public void TooManyEntries()
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
var tracestate =
"k0=v,k1=v,k2=v,k3=v,k4=v,k5=v,k6=v,k7=v1,k8=v,k9=v,k10=v,k11=v,k12=v,k13=v,k14=v,k15=v,k16=v,k17=v,k18=v,k19=v,k20=v,k21=v,k22=v,k23=v,k24=v,k25=v,k26=v,k27=v1,k28=v,k29=v,k30=v,k31=v,k32=v";
Assert.False(TracestateUtils.AppendTracestate(tracestate, tracestateEntries));
Assert.Empty(tracestateEntries);
}
public void ValidPair(string pair, string expectedKey, string expectedValue)
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
Assert.True(TracestateUtils.AppendTracestate(pair, tracestateEntries));
Assert.Single(tracestateEntries);
Assert.Equal(new KeyValuePair <string, string>(expectedKey, expectedValue), tracestateEntries.Single());
Assert.Equal($"{expectedKey}={expectedValue}", TracestateUtils.GetString(tracestateEntries));
}
public void ValidPairs(string tracestate)
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
Assert.True(TracestateUtils.AppendTracestate(tracestate, tracestateEntries));
Assert.Equal(2, tracestateEntries.Count);
Assert.Contains(new KeyValuePair <string, string>("k1", "v1"), tracestateEntries);
Assert.Contains(new KeyValuePair <string, string>("k2", "v2"), tracestateEntries);
Assert.Equal("k1=v1,k2=v2", TracestateUtils.GetString(tracestateEntries));
}
public void MaxEntries()
{
var tracestateEntries = new List <KeyValuePair <string, string> >();
var tracestate =
"k0=v,k1=v,k2=v,k3=v,k4=v,k5=v,k6=v,k7=v1,k8=v,k9=v,k10=v,k11=v,k12=v,k13=v,k14=v,k15=v,k16=v,k17=v,k18=v,k19=v,k20=v,k21=v,k22=v,k23=v,k24=v,k25=v,k26=v,k27=v1,k28=v,k29=v,k30=v,k31=v";
Assert.True(TracestateUtils.AppendTracestate(tracestate, tracestateEntries));
Assert.Equal(32, tracestateEntries.Count);
Assert.Equal("k0=v,k1=v,k2=v,k3=v,k4=v,k5=v,k6=v,k7=v1,k8=v,k9=v,k10=v,k11=v,k12=v,k13=v,k14=v,k15=v,k16=v,k17=v,k18=v,k19=v,k20=v,k21=v,k22=v,k23=v,k24=v,k25=v,k26=v,k27=v1,k28=v,k29=v,k30=v,k31=v",
TracestateUtils.GetString(tracestateEntries));
}
private static ActivityAndTracestate FromActivity(string spanName, Activity activity)
{
List <KeyValuePair <string, string> > tracestate = null;
if (activity.TraceStateString != null)
{
tracestate = new List <KeyValuePair <string, string> >();
TracestateUtils.AppendTracestate(activity.TraceStateString, tracestate);
}
return(new ActivityAndTracestate(activity, tracestate));
}
private static ActivityAndTracestate FromCurrentParentActivity(string spanName, Activity current)
{
var activity = new Activity(spanName);
activity.SetIdFormat(ActivityIdFormat.W3C);
activity.Start();
Activity.Current = current;
List <KeyValuePair <string, string> > tracestate = null;
if (activity.TraceStateString != null)
{
tracestate = new List <KeyValuePair <string, string> >();
TracestateUtils.AppendTracestate(activity.TraceStateString, tracestate);
}
return(new ActivityAndTracestate(activity, tracestate));
}
private static SpanContext ParentContextFromActivity(Activity activity)
{
if (activity.TraceId != default && activity.ParentSpanId != default)
{
List <KeyValuePair <string, string> > tracestate = null;
if (!string.IsNullOrEmpty(activity.TraceStateString))
{
tracestate = new List <KeyValuePair <string, string> >();
TracestateUtils.AppendTracestate(activity.TraceStateString, tracestate);
}
return(new SpanContext(
activity.TraceId,
activity.ParentSpanId,
ActivityTraceFlags.Recorded,
tracestate));
}
return(null);
}
/// <inheritdoc/>
public ISpan StartSpan()
{
var activityForSpan = this.CreateActivityForSpan(this.contextSource, this.parentSpan,
this.parentSpanContext, this.parentActivity, this.fromActivity);
if (this.startTimestamp == default)
{
this.startTimestamp = new DateTimeOffset(activityForSpan.StartTimeUtc);
}
bool sampledIn = MakeSamplingDecision(
this.parentSpanContext, // it is updated in CreateActivityForSpan
this.name,
this.sampler,
this.links,
activityForSpan.TraceId,
activityForSpan.SpanId,
this.tracerConfiguration);
if (sampledIn || this.recordEvents)
{
activityForSpan.ActivityTraceFlags |= ActivityTraceFlags.Recorded;
}
else
{
activityForSpan.ActivityTraceFlags &= ~ActivityTraceFlags.Recorded;
}
var childTracestate = Enumerable.Empty <KeyValuePair <string, string> >();
if (this.parentSpanContext != null && this.parentSpanContext.IsValid)
{
if (this.parentSpanContext.Tracestate != null &&
this.parentSpanContext.Tracestate.Any())
{
childTracestate = this.parentSpanContext.Tracestate;
}
}
else if (activityForSpan.TraceStateString != null)
{
var tracestate = new List <KeyValuePair <string, string> >();
if (TracestateUtils.AppendTracestate(activityForSpan.TraceStateString, tracestate))
{
childTracestate = tracestate;
}
}
var span = new Span(
activityForSpan,
childTracestate,
this.kind,
this.tracerConfiguration,
this.spanProcessor,
this.startTimestamp,
ownsActivity: this.contextSource != ContextSource.Activity,
this.libraryResource);
if (activityForSpan.OperationName != this.name)
{
span.UpdateName(this.name);
}
LinkSpans(span, this.links);
return(span);
}
