internal void ReportSpan(WavefrontSpan span)
{
// Reporter will flush it to Wavefront/proxy.
try
{
reporter.Report(span);
}
catch (IOException e)
{
logger.LogWarning(0, e, "Error reporting span");
}
}
internal void ReportWavefrontGeneratedData(WavefrontSpan span)
{
if (metricsRoot == null)
{
/*
* WavefrontSpanReporter not set, so no tracing spans will be reported as
* metrics/histograms.
*/
return;
}
var pointTagsDict = new Dictionary <string, string>
{
{ Constants.ComponentTagKey, span.GetComponentTagValue() }
};
var spanTags = span.GetTagsAsMap();
bool customTagMatch = false;
if (redMetricsCustomTagKeys.Count > 0)
{
foreach (string customTagKey in redMetricsCustomTagKeys)
{
if (spanTags.ContainsKey(customTagKey))
{
customTagMatch = true;
// Assuming at least one value exists
pointTagsDict[customTagKey] = spanTags[customTagKey].First();
}
else if (customTagKey == SpanKind.Key)
{
customTagMatch = true;
// Promote a default value for span.kind even if span doesn't have the tag
pointTagsDict[customTagKey] = Constants.NullTagValue;
}
}
}
// Promote http.status_code
if (spanTags.ContainsKey(HttpStatus.Key) && !pointTagsDict.ContainsKey(HttpStatus.Key))
{
customTagMatch = true;
string httpStatusValue = spanTags[HttpStatus.Key].First();
pointTagsDict[HttpStatus.Key] = httpStatusValue;
}
string application = span.GetSingleValuedTagValue(Constants.ApplicationTagKey) ??
applicationTags.Application;
string service = span.GetSingleValuedTagValue(Constants.ServiceTagKey) ??
applicationTags.Service;
pointTagsDict[Constants.ApplicationTagKey] = application;
pointTagsDict[Constants.ServiceTagKey] = service;
pointTagsDict[Constants.ClusterTagKey] =
span.GetSingleValuedTagValue(Constants.ClusterTagKey) ?? applicationTags.Cluster;
pointTagsDict[Constants.ShardTagKey] =
span.GetSingleValuedTagValue(Constants.ShardTagKey) ?? applicationTags.Shard;
var pointTags = MetricTags.Concat(
new MetricTags(OperationNameTag, span.GetOperationName()), pointTagsDict);
// Propagate custom tags to ~component.heartbeat
if (heartbeaterService != null && customTagMatch)
{
heartbeaterService.ReportCustomTags(pointTagsDict);
}
string metricNamePrefix = $"{application}.{service}.{span.GetOperationName()}";
metricsRoot.Measure.Counter.Increment(new DeltaCounterOptions
.Builder(metricNamePrefix + InvocationSuffix).Tags(pointTags).Build());
if (span.IsError())
{
metricsRoot.Measure.Counter.Increment(new DeltaCounterOptions
.Builder(metricNamePrefix + ErrorSuffix).Tags(pointTags).Build());
}
long spanDurationMicros = span.GetDurationMicros();
// Convert duration from micros to millis and add to duration counter
metricsRoot.Measure.Counter.Increment(new DeltaCounterOptions
.Builder(metricNamePrefix + TotalTimeSuffix).Tags(pointTags).Build(),
spanDurationMicros / 1000);
// Update histogram with duration in micros
if (span.IsError())
{
metricsRoot.Measure.Histogram.Update(
new WavefrontHistogramOptions.Builder(metricNamePrefix + DurationSuffix)
.Tags(MetricTags.Concat(pointTags, new MetricTags("error", "true")))
.Build(),
spanDurationMicros);
}
else
{
metricsRoot.Measure.Histogram.Update(
new WavefrontHistogramOptions.Builder(metricNamePrefix + DurationSuffix)
.Tags(pointTags)
.Build(),
spanDurationMicros);
}
}