102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
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// Copyright 2019 The OpenZipkin Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package zipkin
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import (
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"sync"
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"sync/atomic"
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"time"
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"github.com/openzipkin/zipkin-go/model"
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)
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type spanImpl struct {
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mtx sync.RWMutex
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model.SpanModel
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tracer *Tracer
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mustCollect int32 // used as atomic bool (1 = true, 0 = false)
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flushOnFinish bool
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}
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func (s *spanImpl) Context() model.SpanContext {
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return s.SpanContext
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}
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func (s *spanImpl) SetName(name string) {
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s.mtx.Lock()
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s.Name = name
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s.mtx.Unlock()
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}
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func (s *spanImpl) SetRemoteEndpoint(e *model.Endpoint) {
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s.mtx.Lock()
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if e == nil {
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s.RemoteEndpoint = nil
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} else {
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s.RemoteEndpoint = &model.Endpoint{}
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*s.RemoteEndpoint = *e
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}
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s.mtx.Unlock()
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}
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func (s *spanImpl) Annotate(t time.Time, value string) {
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a := model.Annotation{
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Timestamp: t,
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Value: value,
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}
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s.mtx.Lock()
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s.Annotations = append(s.Annotations, a)
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s.mtx.Unlock()
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}
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func (s *spanImpl) Tag(key, value string) {
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s.mtx.Lock()
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if key == string(TagError) {
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if _, found := s.Tags[key]; found {
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s.mtx.Unlock()
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return
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}
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}
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s.Tags[key] = value
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s.mtx.Unlock()
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}
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func (s *spanImpl) Finish() {
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if atomic.CompareAndSwapInt32(&s.mustCollect, 1, 0) {
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s.Duration = time.Since(s.Timestamp)
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if s.flushOnFinish {
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s.tracer.reporter.Send(s.SpanModel)
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}
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}
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}
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func (s *spanImpl) FinishedWithDuration(d time.Duration) {
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if atomic.CompareAndSwapInt32(&s.mustCollect, 1, 0) {
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s.Duration = d
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if s.flushOnFinish {
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s.tracer.reporter.Send(s.SpanModel)
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}
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}
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}
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func (s *spanImpl) Flush() {
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if s.SpanModel.Debug || (s.SpanModel.Sampled != nil && *s.SpanModel.Sampled) {
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s.tracer.reporter.Send(s.SpanModel)
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}
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}
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