[VOL-3187]Pass Context down the execution call hierarchy across ofagent codebase
Change-Id: Ia5f2fa1509beefe0ddc427b83e39d2702782db8f
diff --git a/vendor/github.com/uber/jaeger-client-go/tracer_options.go b/vendor/github.com/uber/jaeger-client-go/tracer_options.go
new file mode 100644
index 0000000..f0734b7
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/tracer_options.go
@@ -0,0 +1,182 @@
+// Copyright (c) 2017 Uber Technologies, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package jaeger
+
+import (
+ "time"
+
+ "github.com/opentracing/opentracing-go"
+
+ "github.com/uber/jaeger-client-go/internal/baggage"
+ "github.com/uber/jaeger-client-go/internal/throttler"
+ "github.com/uber/jaeger-client-go/log"
+)
+
+// TracerOption is a function that sets some option on the tracer
+type TracerOption func(tracer *Tracer)
+
+// TracerOptions is a factory for all available TracerOption's
+var TracerOptions tracerOptions
+
+type tracerOptions struct{}
+
+// Metrics creates a TracerOption that initializes Metrics on the tracer,
+// which is used to emit statistics.
+func (tracerOptions) Metrics(m *Metrics) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.metrics = *m
+ }
+}
+
+// Logger creates a TracerOption that gives the tracer a Logger.
+func (tracerOptions) Logger(logger Logger) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.logger = log.DebugLogAdapter(logger)
+ }
+}
+
+func (tracerOptions) CustomHeaderKeys(headerKeys *HeadersConfig) TracerOption {
+ return func(tracer *Tracer) {
+ if headerKeys == nil {
+ return
+ }
+ textPropagator := NewTextMapPropagator(headerKeys.ApplyDefaults(), tracer.metrics)
+ tracer.addCodec(opentracing.TextMap, textPropagator, textPropagator)
+
+ httpHeaderPropagator := NewHTTPHeaderPropagator(headerKeys.ApplyDefaults(), tracer.metrics)
+ tracer.addCodec(opentracing.HTTPHeaders, httpHeaderPropagator, httpHeaderPropagator)
+ }
+}
+
+// TimeNow creates a TracerOption that gives the tracer a function
+// used to generate timestamps for spans.
+func (tracerOptions) TimeNow(timeNow func() time.Time) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.timeNow = timeNow
+ }
+}
+
+// RandomNumber creates a TracerOption that gives the tracer
+// a thread-safe random number generator function for generating trace IDs.
+func (tracerOptions) RandomNumber(randomNumber func() uint64) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.randomNumber = randomNumber
+ }
+}
+
+// PoolSpans creates a TracerOption that tells the tracer whether it should use
+// an object pool to minimize span allocations.
+// This should be used with care, only if the service is not running any async tasks
+// that can access parent spans after those spans have been finished.
+func (tracerOptions) PoolSpans(poolSpans bool) TracerOption {
+ return func(tracer *Tracer) {
+ if poolSpans {
+ tracer.spanAllocator = newSyncPollSpanAllocator()
+ } else {
+ tracer.spanAllocator = simpleSpanAllocator{}
+ }
+ }
+}
+
+// Deprecated: HostIPv4 creates a TracerOption that identifies the current service/process.
+// If not set, the factory method will obtain the current IP address.
+// The TracerOption is deprecated; the tracer will attempt to automatically detect the IP.
+func (tracerOptions) HostIPv4(hostIPv4 uint32) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.hostIPv4 = hostIPv4
+ }
+}
+
+func (tracerOptions) Injector(format interface{}, injector Injector) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.injectors[format] = injector
+ }
+}
+
+func (tracerOptions) Extractor(format interface{}, extractor Extractor) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.extractors[format] = extractor
+ }
+}
+
+func (t tracerOptions) Observer(observer Observer) TracerOption {
+ return t.ContribObserver(&oldObserver{obs: observer})
+}
+
+func (tracerOptions) ContribObserver(observer ContribObserver) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.observer.append(observer)
+ }
+}
+
+func (tracerOptions) Gen128Bit(gen128Bit bool) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.gen128Bit = gen128Bit
+ }
+}
+
+func (tracerOptions) NoDebugFlagOnForcedSampling(noDebugFlagOnForcedSampling bool) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.noDebugFlagOnForcedSampling = noDebugFlagOnForcedSampling
+ }
+}
+
+func (tracerOptions) HighTraceIDGenerator(highTraceIDGenerator func() uint64) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.highTraceIDGenerator = highTraceIDGenerator
+ }
+}
+
+func (tracerOptions) MaxTagValueLength(maxTagValueLength int) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.maxTagValueLength = maxTagValueLength
+ }
+}
+
+// MaxLogsPerSpan limits the number of Logs in a span (if set to a nonzero
+// value). If a span has more logs than this value, logs are dropped as
+// necessary (and replaced with a log describing how many were dropped).
+//
+// About half of the MaxLogsPerSpan logs kept are the oldest logs, and about
+// half are the newest logs.
+func (tracerOptions) MaxLogsPerSpan(maxLogsPerSpan int) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.maxLogsPerSpan = maxLogsPerSpan
+ }
+}
+
+func (tracerOptions) ZipkinSharedRPCSpan(zipkinSharedRPCSpan bool) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.options.zipkinSharedRPCSpan = zipkinSharedRPCSpan
+ }
+}
+
+func (tracerOptions) Tag(key string, value interface{}) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.tags = append(tracer.tags, Tag{key: key, value: value})
+ }
+}
+
+func (tracerOptions) BaggageRestrictionManager(mgr baggage.RestrictionManager) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.baggageRestrictionManager = mgr
+ }
+}
+
+func (tracerOptions) DebugThrottler(throttler throttler.Throttler) TracerOption {
+ return func(tracer *Tracer) {
+ tracer.debugThrottler = throttler
+ }
+}