public SegmentContext CreateExitSegment(string operationName, StringOrIntValue networkAddress, long startTimeMilliseconds = default)
{
var parentSegmentContext = GetParentSegmentContext(SpanType.Exit);
var traceId = GetTraceId(parentSegmentContext);
var segmentId = GetSegmentId();
var sampled = GetSampled(parentSegmentContext, operationName, networkAddress);
var segmentContext = new SegmentContext(traceId, segmentId, sampled,
_instrumentConfig.ServiceName ?? _instrumentConfig.ApplicationCode,
_instrumentConfig.ServiceInstanceName,
operationName, SpanType.Exit, startTimeMilliseconds);
if (parentSegmentContext != null)
{
var parentReference = parentSegmentContext.References.FirstOrDefault();
var reference = new SegmentReference
{
Reference = Reference.CrossThread,
EntryEndpoint = parentReference?.EntryEndpoint ?? parentSegmentContext.Span.OperationName,
NetworkAddress = parentReference?.NetworkAddress ?? parentSegmentContext.Span.OperationName,
ParentEndpoint = parentSegmentContext.Span.OperationName,
ParentSpanId = parentSegmentContext.Span.SpanId,
ParentSegmentId = parentSegmentContext.SegmentId,
EntryServiceInstanceId =
parentReference?.EntryServiceInstanceId ?? parentSegmentContext.ServiceInstanceId,
ParentServiceInstanceId = parentSegmentContext.ServiceInstanceId,
ParentServiceId = parentSegmentContext.ServiceId,
TraceId = parentSegmentContext.TraceId
};
segmentContext.References.Add(reference);
}
segmentContext.Span.Peer = networkAddress;
_exitSegmentContextAccessor.Context = segmentContext;
return(segmentContext);
}
public SegmentContext CreateExitSegment(string operationName, StringOrIntValue networkAddress)
{
var parentSegmentContext = GetParentSegmentContext(SpanType.Exit);
var traceId = GetTraceId(parentSegmentContext);
var segmentId = GetSegmentId();
var sampled = GetSampled(parentSegmentContext, operationName, networkAddress);
var segmentContext = new SegmentContext(traceId, segmentId, sampled, _runtimeEnvironment.ServiceId.Value,
_runtimeEnvironment.ServiceInstanceId.Value, operationName, SpanType.Exit);
if (parentSegmentContext != null)
{
var parentReference = parentSegmentContext.References.FirstOrDefault();
var reference = new SegmentReference
{
Reference = Reference.CrossThread,
EntryEndpoint = parentReference?.EntryEndpoint ?? parentSegmentContext.Span.OperationName,
NetworkAddress = parentReference?.NetworkAddress ?? parentSegmentContext.Span.OperationName,
ParentEndpoint = parentSegmentContext.Span.OperationName,
ParentSpanId = parentSegmentContext.Span.SpanId,
ParentSegmentId = parentSegmentContext.SegmentId,
EntryServiceInstanceId =
parentReference?.EntryServiceInstanceId ?? parentSegmentContext.ServiceInstanceId,
ParentServiceInstanceId = parentSegmentContext.ServiceInstanceId
};
segmentContext.References.Add(reference);
}
segmentContext.Span.Peer = networkAddress;
_exitSegmentContextAccessor.Context = segmentContext;
return(segmentContext);
}
public SamplingContext(string operationName, StringOrIntValue peer, StringOrIntValue entryEndpoint,
StringOrIntValue parentEndpoint)
{
OperationName = operationName;
Peer = peer;
EntryEndpoint = entryEndpoint;
ParentEndpoint = parentEndpoint;
}
private static string ConvertStringOrIntValue(StringOrIntValue value)
{
if (value.HasIntValue)
{
return(value.GetIntValue().ToString());
}
return("#" + value.GetStringValue());
}
private static void ReadStringOrIntValue <T>(T instance, StringOrIntValue stringOrIntValue, Action <T, string> stringValueReader, Action <T, int> intValueReader)
{
if (stringOrIntValue.HasStringValue)
{
stringValueReader.Invoke(instance, stringOrIntValue.GetStringValue());
}
else if (stringOrIntValue.HasIntValue)
{
intValueReader.Invoke(instance, stringOrIntValue.GetIntValue());
}
}
private bool GetSampled(SegmentContext parentSegmentContext, string operationName,
StringOrIntValue peer = default(StringOrIntValue))
{
if (parentSegmentContext != null)
{
return(parentSegmentContext.Sampled);
}
var sampledContext = new SamplingContext(operationName, peer, new StringOrIntValue(operationName),
default(StringOrIntValue));
var sampler = _samplerChainBuilder.Build();
return(sampler(sampledContext));
}
private static void ReadStringOrIntValue <T>(T instance, StringOrIntValue stringOrIntValue,
Action <T, string> stringValueReader, Action <T, int> intValueReader)
{
// We should first check and prefer the int value to reduce the network transport payload
// in case both int and string value is present.
if (stringOrIntValue.HasIntValue)
{
intValueReader.Invoke(instance, stringOrIntValue.GetIntValue());
}
else if (stringOrIntValue.HasStringValue)
{
stringValueReader.Invoke(instance, stringOrIntValue.GetStringValue());
}
}
public SegmentSpan(string operationName, SpanType spanType)
{
OperationName = new StringOrIntValue(operationName);
SpanType = spanType;
}
public SegmentSpan(string operationName, SpanType spanType, long startTimeMilliseconds = default)
{
OperationName = new StringOrIntValue(operationName);
SpanType = spanType;
StartTime = startTimeMilliseconds == default ? DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() : startTimeMilliseconds;
}