VOL-3202: Include port capability in the port create message.
Change-Id: I7d8fbafb2db2834def1903f13a1af25eb57500e3
diff --git a/vendor/github.com/uber/jaeger-client-go/zipkin.go b/vendor/github.com/uber/jaeger-client-go/zipkin.go
new file mode 100644
index 0000000..98cab4b
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/zipkin.go
@@ -0,0 +1,77 @@
+// 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 (
+ "github.com/opentracing/opentracing-go"
+)
+
+// ZipkinSpanFormat is an OpenTracing carrier format constant
+const ZipkinSpanFormat = "zipkin-span-format"
+
+// ExtractableZipkinSpan is a type of Carrier used for integration with Zipkin-aware
+// RPC frameworks (like TChannel). It does not support baggage, only trace IDs.
+type ExtractableZipkinSpan interface {
+ TraceID() uint64
+ SpanID() uint64
+ ParentID() uint64
+ Flags() byte
+}
+
+// InjectableZipkinSpan is a type of Carrier used for integration with Zipkin-aware
+// RPC frameworks (like TChannel). It does not support baggage, only trace IDs.
+type InjectableZipkinSpan interface {
+ SetTraceID(traceID uint64)
+ SetSpanID(spanID uint64)
+ SetParentID(parentID uint64)
+ SetFlags(flags byte)
+}
+
+type zipkinPropagator struct {
+ tracer *Tracer
+}
+
+func (p *zipkinPropagator) Inject(
+ ctx SpanContext,
+ abstractCarrier interface{},
+) error {
+ carrier, ok := abstractCarrier.(InjectableZipkinSpan)
+ if !ok {
+ return opentracing.ErrInvalidCarrier
+ }
+
+ carrier.SetTraceID(ctx.TraceID().Low) // TODO this cannot work with 128bit IDs
+ carrier.SetSpanID(uint64(ctx.SpanID()))
+ carrier.SetParentID(uint64(ctx.ParentID()))
+ carrier.SetFlags(ctx.samplingState.flags())
+ return nil
+}
+
+func (p *zipkinPropagator) Extract(abstractCarrier interface{}) (SpanContext, error) {
+ carrier, ok := abstractCarrier.(ExtractableZipkinSpan)
+ if !ok {
+ return emptyContext, opentracing.ErrInvalidCarrier
+ }
+ if carrier.TraceID() == 0 {
+ return emptyContext, opentracing.ErrSpanContextNotFound
+ }
+ var ctx SpanContext
+ ctx.traceID.Low = carrier.TraceID()
+ ctx.spanID = SpanID(carrier.SpanID())
+ ctx.parentID = SpanID(carrier.ParentID())
+ ctx.samplingState = &samplingState{}
+ ctx.samplingState.setFlags(carrier.Flags())
+ return ctx, nil
+}