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c13400
} case setTypeName: if err := w.wm.sets[other.MetricKey].Combine(other.Value); err != nil { log.WithError(err).Error("Could not merge sets") } case histogramTypeName: if err := w.wm.histograms[other.MetricKey].Combine(other.Value); err != nil { log.WithError(err).Error("Could not merge histograms") }...
c13401
metricpb.Type_Timer: if other.Scope == metricpb.Scope_Mixed { w.wm.timers[key].Merge(v.Histogram) } else if other.Scope == metricpb.Scope_Global { w.wm.globalTimers[key].Merge(v.Histogram) } } case nil: err = errors.New("Can't import a metric with a nil value") default: err = fmt.Errorf("Unkno...
c13402
w.mutex.Lock() ret := w.wm processed := w.processed imported := w.imported w.wm = wm w.processed = 0 w.imported = 0 w.mutex.Unlock() w.stats.Count("worker.metrics_processed_total", processed, []string{}, 1.0) w.stats.Count("worker.metrics_imported_total", imported, []string{}, 1.0) return ret }
c13403
&sync.Mutex{}, traceClient: cl, stats: stats, } }
c13404
append(ew.samples, s) ew.mutex.Unlock() } } }
c13405
ew.stats.Count("worker.other_samples_flushed_total", int64(len(retsamples)), nil, 1.0) } return retsamples }
c13406
sinks: sinks, sinkTags: tags, commonTags: commonTags, cumulativeTimes: make([]int64, len(sinks)), traceClient: cl, statsd: statsd, } }
c13407
0)) * time.Nanosecond tw.statsd.Timing(sinks.MetricKeySpanIngestDuration, cumulative, tags, 1.0) } metrics.Report(tw.traceClient, samples) tw.statsd.Count("worker.span.hit_chan_cap", atomic.SwapInt64(&tw.capCount, 0), nil, 1.0) tw.statsd.Count("worker.ssf.empty_total", atomic.SwapInt64(&tw.emptySSFCount, 0), ni...
c13408
if err != nil { return c, err } defer f.Close() c, err = readProxyConfig(f) c.applyDefaults() return }
c13409
time.ParseDuration(c.Interval) }
c13410
"errorType": reflect.TypeOf(err), "numDestinations": len(destinations), }).Error("Discoverer found zero destinations and/or returned an error. Destinations may be stale!") samples.Add(ssf.Count("discoverer.errors", 1, srvTags)) // Return since we got no hosts. We don't want to zero out the list. This ...
c13411
jm) } // nb The response has already been returned at this point, because we wg := sync.WaitGroup{} wg.Add(len(jsonMetricsByDestination)) // Make our waitgroup the size of our destinations for dest, batch := range jsonMetricsByDestination { go p.doPost(ctx, &wg, dest, batch) } wg.Wait() // Wait for all the ...
c13412
in the array, // and sort the array by the hashes sortedIter := newJSONMetricsByWorker(jsonMetrics, len(s.Workers)) for sortedIter.Next() { nextChunk, workerIndex := sortedIter.Chunk() s.Workers[workerIndex].ImportChan <- nextChunk } metrics.ReportOne(s.TraceClient, ssf.Timing("import.response_duration_ns", t...
c13413
{ ret := &jsonMetricsByWorker{ sjm: newSortableJSONMetrics(metrics, numWorkers), } sort.Sort(ret.sjm) return ret }
c13414
exit := sss.submitBatch(ctx, sync, ready) if exit { return } } }
c13415
w, err := hecReq.Start(ctx) if err != nil { cancel() return nil, nil, nil, err } // At this point, we have a workable HTTP connection; // open it in the background: go sss.makeHTTPRequest(req, cancel) return cancel, hecReq, w, nil }
c13416
{ err := enc.Encode(ev) select { case encodeErrors <- err: case <-ctx.Done(): } }() select { case <-ctx.Done(): return ctx.Err() case err := <-encodeErrors: return err } }
c13417
), ssf.Count( sinks.MetricKeyTotalSpansSkipped, float32(atomic.SwapUint32(&sss.skippedSpans, 0)), map[string]string{"sink": sss.Name()}, ), ) metrics.Report(sss.traceClient, samples) }
c13418
one client if lightstepMultiplexTracerNum <= 0 { lightstepMultiplexTracerNum = 1 } tracers := make([]opentracing.Tracer, 0, lightstepMultiplexTracerNum) plaintext := false if host.Scheme == "http" { plaintext = true } for i := 0; i < lightstepMultiplexTracerNum; i++ { tracers = append(tracers, lightste...
c13419
flag error spans. ext.Error.Set(sp, true) } endTime := time.Unix(ssfSpan.EndTimestamp/1e9, ssfSpan.EndTimestamp%1e9) finishOpts := opentracing.FinishOptions{FinishTime: endTime} sp.FinishWithOptions(finishOpts) service := ssfSpan.Service if service == "" { service = "unknown" } count, ok := ls.serviceCo...
c13420
Lightstep client") return true } value, ok := valueI.(*int64) if !ok { ls.log.WithFields(logrus.Fields{ "value": valueI, "type": reflect.TypeOf(valueI), }).Error("Invalid value type in map when flushing Lightstep client") return true } count := atomic.SwapInt64(value, 0) totalCount +...
c13421
if err != nil { return nil, err } return &Consul{ ConsulHealth: consulClient.Health(), }, nil }
c13422
m.workers[metric.Digest%uint32(len(m.workers))].IngestUDP(metric) } }
c13423
{ return err } // If we made it here, we are dealing with a fully-fledged // trace span, not just a mere carrier for Samples: indicatorMetrics, err := samplers.ConvertIndicatorMetrics(span, m.indicatorSpanTimerName, m.objectiveSpanTimerName) if err != nil { m.log.WithError(err). WithField("span_name", spa...
c13424
return nil, err } if err := serverConn.SetReadBuffer(recvBuf); err != nil { return nil, err } return serverConn, nil }
c13425
defer f.Close() if err != nil { return fmt.Errorf("couldn't open %s for appending: %s", p.FilePath, err) } appendToWriter(f, metrics, p.hostname, p.interval) return nil }
c13426
return true case *errFrameLength: return true } return false }
c13427
} s.Batch = append(s.Batch, sample...) }
c13428
return func(s *SSFSample) { s.Timestamp = ts.UnixNano() } }
c13429
resolutions[resolution]; ok { s.Unit = unit } } }
c13430
name, Value: value, Tags: tags, SampleRate: 1.0, }, opts) }
c13431
name, Value: value, Tags: tags, SampleRate: 1.0, }, opts) }
c13432
name, Message: value, Tags: tags, SampleRate: 1.0, }, opts) }
c13433
name, Status: state, Tags: tags, SampleRate: 1.0, }, opts) }
c13434
return true } return metric.Sinks.RouteTo(sink.Name()) }
c13435
sampledCDF := floatCDF(allSamples, sampledMean) // this csv is equivalent to errors.csv from dunning's tests, but // instead of testing a fixed range of quantiles, we test every centroid centroidErrors.Write(stringifySlice( distname, run, centroid.Mean, realMean, // this column is equivalent to th...
c13436
ok bool) { m.RLock() conn, ok = m.conns[dest] m.RUnlock() return }
c13437
if !ok && err == nil { m.conns[dest] = conn } m.Unlock() if ok && err == nil { _ = conn.Close() } return err }
c13438
= conn.Close() } delete(m.conns, dest) m.Unlock() }
c13439
res = append(res, k) } m.RUnlock() return res }
c13440
m.conns = make(map[string]*grpc.ClientConn) m.Unlock() }
c13441
err)) } httpSink := sfxclient.NewHTTPSink() httpSink.AuthToken = apiKey httpSink.DatapointEndpoint = baseURL.ResolveReference(datapointURL).String() httpSink.EventEndpoint = baseURL.ResolveReference(eventURL).String() httpSink.Client = client return httpSink }
c13442
&SignalFxSink{ defaultClient: client, clientsByTagValue: perTagClients, hostnameTag: hostnameTag, hostname: hostname, commonDimensions: commonDimensions, log: log, varyBy: varyBy, metricNamePrefixDrops: metricNamePrefixDrops, me...
c13443
error { sfx.traceClient = traceClient return nil }
c13444
ok { return cl } return sfx.defaultClient }
c13445
[]*datapoint.Datapoint{}, pointsByKey: map[string][]*datapoint.Datapoint{}, } }
c13446
} } } if countSuccess > 0 { span.Add(ssf.Count(sinks.EventReportedCount, float32(countSuccess), successSpanTags)) } if countFailed > 0 { span.Add(ssf.Count(sinks.EventReportedCount, float32(countFailed), failureSpanTags)) } }
c13447
} // we want to keep track of this, because it's a client problem, but still // handle the span normally if span.Id == 0 { reason := "reason:" + "empty_id" s.Statsd.Count("ssf.error_total", 1, []string{"ssf_format:packet", "packet_type:ssf_metric", reason}, 1.0) log.WithError(err).Warn("ParseSSF") } s.han...
c13448
reading from UDP metrics socket") continue } s.processMetricPacket(n, buf, packetPool) } }
c13449
samplers.NewSplitBytes(buf[:numBytes], '\n') for splitPacket.Next() { s.HandleMetricPacket(splitPacket.Chunk()) } // the Metric struct created by HandleMetricPacket has no byte slices in it, // only strings // therefore there are no outstanding references to this byte slice, we // can return it to the pool p...
c13450
select { case <-s.shutdown: log.WithError(err).Info("Ignoring ReadFrom error while shutting down") return default: log.WithError(err).Error("Error reading packet from Unix domain socket") continue } } s.processMetricPacket(n, buf, packetPool) } }
c13451
buf := packetPool.Get().([]byte) n, _, err := serverConn.ReadFrom(buf) if err != nil { // In tests, the probably-best way to // terminate this reader is to issue a shutdown and close the listening // socket, which returns an error, so let's handle it here: select { case <-s.shutdown: log.WithEr...
c13452
down") return default: log.WithError(err).Fatal("TCP accept failed") } } go s.handleTCPGoroutine(conn) } }
c13453
// when *not* running under einhorn. graceful.AddSignal(syscall.SIGUSR2, syscall.SIGHUP) graceful.HandleSignals() gracefulSocket := graceful.WrapListener(httpSocket) log.WithField("address", s.HTTPAddr).Info("HTTP server listening") // Signal that the HTTP server is starting atomic.AddInt32(s.numListeningHTTP, ...
c13454
s.pluginMtx.Unlock() s.plugins = append(s.plugins, p) }
c13455
t.Truncate(interval).Add(interval).Sub(t) }
c13456
"sink": sink.Name(), "excludedTags": excludedTags, }).Debug("Setting excluded tags on sink") s.SetExcludedTags(excludedTags) } } }
c13457
0 && span.EndTimestamp != 0 && span.Name != "" }
c13458
return &InvalidTrace{span} } return nil }
c13459
{ return 0, &errFramingIO{err} } if err = binary.Write(out, binary.BigEndian, uint32(len(pbuf.Bytes()))); err != nil { return 0, &errFramingIO{err} } n, err := out.Write(pbuf.Bytes()) if err != nil { return n, &errFramingIO{err} } return n, nil }
c13460
interval: interval, flushMaxPerBody: flushMaxPerBody, hostname: hostname, tags: tags, log: log, }, nil }
c13461
((len(ddmetrics) - 1) / dd.flushMaxPerBody) + 1 chunkSize := ((len(ddmetrics) - 1) / workers) + 1 dd.log.WithField("workers", workers).Debug("Worker count chosen") dd.log.WithField("chunkSize", chunkSize).Debug("Chunk size chosen") var wg sync.WaitGroup flushStart := time.Now() for i := 0; i < workers; i++ { c...
c13462
bufferSize, buffer: ring.New(bufferSize), mutex: &sync.Mutex{}, traceAddress: address, log: log, }, nil }
c13463
} dd.mutex.Lock() defer dd.mutex.Unlock() dd.buffer.Value = span dd.buffer = dd.buffer.Next() return nil }
c13464
cl.cap = n return nil } }
c13465
cl.backendParams != nil { cl.backendParams.bufferSize = size return nil } return ErrClientNotNetworked } }
c13466
time.NewTicker(interval) return FlushChannel(t.C, t.Stop) }
c13467
for { select { case <-ch: _ = Flush(cl) case <-ctx.Done(): return } } } return nil } }
c13468
cl.backendParams.maxBackoff = t return nil } return ErrClientNotNetworked } }
c13469
return ErrClientNotNetworked } cl.nBackends = nBackends return nil } }
c13470
= spanChan for _, opt := range opts { if err := opt(cl); err != nil { return nil, err } } ctx := context.Background() ctx, cl.cancel = context.WithCancel(ctx) cl.run(ctx) return cl, nil }
c13471
closed so it does not leak connections if oldClient != nil { oldClient.Close() } }
c13472
client.records = nil client.spans = nil client.flushBackends = []flushNotifier{} }
c13473
atomic.AddInt64(&cl.successfulRecords, 1) if done != nil { go func() { done <- nil }() } return nil case cl.records <- op: atomic.AddInt64(&cl.successfulRecords, 1) return nil default: } atomic.AddInt64(&cl.failedRecords, 1) return ErrWouldBlock }
c13474
0, sizeBound), tempCentroids: make([]Centroid, 0, estimateTempBuffer(compression)), min: math.Inf(+1), max: math.Inf(-1), debug: debug, } }
c13475
// Initialize the weight to the sum of the weights of the centroids td.mainWeight = 0 for _, c := range td.mainCentroids { td.mainWeight += c.Weight } return td }
c13476
/ value) * weight next := Centroid{ Mean: value, Weight: weight, } if td.debug { next.Samples = []float64{value} } td.tempCentroids = append(td.tempCentroids, next) td.tempWeight += weight }
c13477
// the next main centroid at the end // this copy is probably the most expensive part of the // in-place merge, compared to merging into a separate buffer copy(swappedCentroids, swappedCentroids[1:]) swappedCentroids[len(swappedCentroids)-1] = actualMainCentroids[0] } actualMainCentroids = ...
c13478
return td.compression * ((math.Asin(2*quantile-1) / math.Pi) + 0.5) }
c13479
<= weightSoFar+c.Weight { // the target quantile is somewhere inside this centroid // we compute how much of this centroid's weight falls into the quantile proportion := (q - weightSoFar) / c.Weight // and interpolate what value that corresponds to inside a uniform // distribution return lowerBound +...
c13480
} // we did not merge other's temps, so we need to add those too // they're unsorted so there's no need to shuffle them for i := range other.tempCentroids { td.Add(other.tempCentroids[i].Mean, other.tempCentroids[i].Weight) } td.reciprocalSum = oldReciprocalSum + other.reciprocalSum }
c13481
panic("must enable debug to call Centroids()") } td.mergeAllTemps() return td.mainCentroids }
c13482
the original percentile list here. // remember that both the global veneur and the local instances have // 'local-only' histograms. ms.totalLocalSets + (ms.totalLocalTimers+ms.totalLocalHistograms)*(s.HistogramAggregates.Count+len(s.HistogramPercentiles)) // Global instances also flush sets and global counters...
c13483
ok && (statErr.Message() == "all SubConns are in TransientFailure" || statErr.Message() == "transport is closing") { // We could check statErr.Code() == codes.Unavailable, but we don't know all of the cases that // could return that code. These two particular cases are fairly safe and usually associated //...
c13484
} err = xpath.Evaluate(nodePtr, xpathExpr) if err != nil { return } nodes, err = xpath.ResultAsNodeset() return }
c13485
int(nodesetPtr.nodeNr); nodesetSize > 0 { nodes = make([]unsafe.Pointer, nodesetSize) for i := 0; i < nodesetSize; i++ { nodes[i] = unsafe.Pointer(C.fetchNode(nodesetPtr, C.int(i))) } } } return }
c13486
val = C.GoString((*C.char)(unsafe.Pointer(xpath.ResultPtr.stringval))) return }
c13487
xpath.ResultPtr = C.xmlXPathConvertNumber(xpath.ResultPtr) } val = float64(xpath.ResultPtr.floatval) return }
c13488
= C.xmlXPathConvertBoolean(xpath.ResultPtr) val = xpath.ResultPtr.boolval != 0 return }
c13489
C.set_function_lookup(xpath.ContextPtr, unsafe.Pointer(&v)) }
c13490
node = xmlNode case XML_ATTRIBUTE_NODE: node = &AttributeNode{XmlNode: xmlNode} case XML_ELEMENT_NODE: node = &ElementNode{XmlNode: xmlNode} case XML_CDATA_SECTION_NODE: node = &CDataNode{XmlNode: xmlNode} case XML_COMMENT_NODE: node = &CommentNode{XmlNode: xmlNode} case XML_PI_NODE: node = &ProcessingI...
c13491
for _, node := range nodes { if err = xmlNode.addChild(node); err != nil { break } } } case Node: err = xmlNode.addChild(t) } return }
c13492
for _, node := range nodes { if err = xmlNode.addPreviousSibling(node); err != nil { break } } } case Node: err = xmlNode.addPreviousSibling(t) } return }
c13493
nil { for i := len(nodes) - 1; i >= 0; i-- { node := nodes[i] if err = xmlNode.addNextSibling(node); err != nil { break } } } case Node: err = xmlNode.addNextSibling(t) } return }
c13494
unsafe.Pointer(xmlNode.Ptr) return }
c13495
:= (*C.char)(unsafe.Pointer(pathPtr)) defer C.xmlFreeChars(p) path = C.GoString(p) } return }
c13496
{ node := NewNode(unsafe.Pointer(attrPtr), xmlNode.Document) if node, ok := node.(*AttributeNode); ok { attribute = node } } return }
c13497
valPtr == nil { return } p := unsafe.Pointer(valPtr) defer C.xmlFreeChars((*C.char)(p)) val = C.GoString((*C.char)(p)) return }
c13498
:= xpathCtx.EvaluateAsNodeset(unsafe.Pointer(xmlNode.Ptr), data) if nodePtrs == nil || err != nil { return nil, err } for _, nodePtr := range nodePtrs { result = append(result, NewNode(nodePtr, xmlNode.Document)) } } return }
c13499
//err = errors.New("cannot compile xpath: " + data) } case []byte: result = xmlNode.EvalXPathAsBoolean(string(data), v) case *xpath.Expression: xpathCtx := xmlNode.Document.DocXPathCtx() xpathCtx.SetResolver(v) err := xpathCtx.Evaluate(unsafe.Pointer(xmlNode.Ptr), data) if err != nil { return false ...