private WavefrontTracer(
IReporter reporter, IList <KeyValuePair <string, string> > tags, IList <ISampler> samplers,
ApplicationTags applicationTags, ISet <string> redMetricsCustomTagKeys,
TimeSpan reportFrequency, PropagatorRegistry registry, ILoggerFactory loggerFactory)
{
ScopeManager = new AsyncLocalScopeManager();
this.reporter = reporter;
Tags = tags;
this.samplers = samplers;
this.redMetricsCustomTagKeys = redMetricsCustomTagKeys;
this.applicationTags = applicationTags;
this.registry = registry;
logger = loggerFactory.CreateLogger <WavefrontTracer>();
WavefrontSpanReporter spanReporter = GetWavefrontSpanReporter(reporter);
if (spanReporter != null)
{
/*
* Tracing spans will be converted to metrics and histograms and will be reported
* to Wavefront only if you use the WavefrontSpanReporter.
*/
InitMetricsHistogramsReporting(spanReporter, applicationTags, reportFrequency,
loggerFactory, out metricsRoot, out metricsScheduler, out heartbeaterService,
out sdkMetricsRegistry);
}
}
private void InitMetricsHistogramsReporting(
WavefrontSpanReporter wfSpanReporter, ApplicationTags applicationTags,
TimeSpan reportFrequency, ILoggerFactory loggerFactory, out IMetricsRoot metricsRoot,
out AppMetricsTaskScheduler metricsScheduler, out HeartbeaterService heartbeaterService,
out WavefrontSdkMetricsRegistry sdkMetricsRegistry)
{
var tempMetricsRoot = new MetricsBuilder()
.Configuration.Configure(
options =>
{
options.DefaultContextLabel = DerivedMetricPrefix;
})
.Report.ToWavefront(
options =>
{
options.WavefrontSender = wfSpanReporter.WavefrontSender;
options.Source = wfSpanReporter.Source;
options.ApplicationTags = applicationTags;
options.WavefrontHistogram.ReportMinuteDistribution = true;
options.LoggerFactory = loggerFactory;
})
.Build();
metricsRoot = tempMetricsRoot;
metricsScheduler = new AppMetricsTaskScheduler(
reportFrequency,
async() =>
{
await Task.WhenAll(tempMetricsRoot.ReportRunner.RunAllAsync());
});
metricsScheduler.Start();
heartbeaterService = new HeartbeaterService(
wfSpanReporter.WavefrontSender, applicationTags, HeartbeaterComponents,
wfSpanReporter.Source, loggerFactory);
heartbeaterService.Start();
sdkMetricsRegistry = new WavefrontSdkMetricsRegistry
.Builder(wfSpanReporter.WavefrontSender)
.Prefix(Constants.SdkMetricPrefix + ".opentracing")
.Source(wfSpanReporter.Source)
.Tags(applicationTags.ToPointTags())
.LoggerFactory(loggerFactory)
.Build();
wfSpanReporter.SetSdkMetricsRegistry(sdkMetricsRegistry);
}
