public void InsertDistributedTraceHeaders <T>(IInternalTransaction transaction, T carrier, Action <T, string, string> setter)
{
if (setter == null)
{
Log.Debug("setHeaders argument is null.");
return;
}
try
{
var timestamp = DateTime.UtcNow;
if (!_configurationService.Configuration.ExcludeNewrelicHeader)
{
//set "Newrelic" header
var distributedTracePayload = GetOutboundHeader(DistributedTraceHeaderType.NewRelic, transaction, timestamp);
if (!string.IsNullOrWhiteSpace(distributedTracePayload))
{
setter(carrier, Constants.DistributedTracePayloadKey, distributedTracePayload);
}
}
var createOutboundTraceContextHeadersSuccess = false;
try
{
var traceparent = GetOutboundHeader(DistributedTraceHeaderType.W3cTraceparent, transaction, timestamp);
var tracestate = GetOutboundHeader(DistributedTraceHeaderType.W3cTracestate, transaction, timestamp);
createOutboundTraceContextHeadersSuccess = string.IsNullOrEmpty(tracestate) ? false : true;
if (createOutboundTraceContextHeadersSuccess)
{
setter(carrier, Constants.TraceParentHeaderKey, traceparent);
setter(carrier, Constants.TraceStateHeaderKey, tracestate);
transaction.TransactionMetadata.HasOutgoingTraceHeaders = true;
}
}
catch (Exception ex)
{
_agentHealthReporter.ReportSupportabilityTraceContextCreateException();
Log.Error(ex);
}
if (createOutboundTraceContextHeadersSuccess && _configurationService.Configuration.PayloadSuccessMetricsEnabled)
{
_agentHealthReporter.ReportSupportabilityTraceContextCreateSuccess();
}
}
catch (Exception ex)
{
Log.Error(ex);
}
}