mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-28 21:09:17 +02:00
19294aab4c
* `porto -w --include-internal .` * Bump `porto` to 0.4.0 and include internal files Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
70 lines
2.6 KiB
Go
70 lines
2.6 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
//
|
|
// 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 internal // import "go.opentelemetry.io/otel/bridge/opencensus/internal"
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
octrace "go.opencensus.io/trace"
|
|
|
|
"go.opentelemetry.io/otel/bridge/opencensus/internal/oc2otel"
|
|
"go.opentelemetry.io/otel/trace"
|
|
)
|
|
|
|
// Tracer is an OpenCensus Tracer that wraps an OpenTelemetry Tracer.
|
|
type Tracer struct {
|
|
otelTracer trace.Tracer
|
|
}
|
|
|
|
// NewTracer returns an OpenCensus Tracer that wraps the OpenTelemetry tracer.
|
|
func NewTracer(tracer trace.Tracer) octrace.Tracer {
|
|
return &Tracer{otelTracer: tracer}
|
|
}
|
|
|
|
// StartSpan starts a new child span of the current span in the context. If
|
|
// there is no span in the context, it creates a new trace and span.
|
|
func (o *Tracer) StartSpan(ctx context.Context, name string, s ...octrace.StartOption) (context.Context, *octrace.Span) {
|
|
otelOpts, err := oc2otel.StartOptions(s)
|
|
if err != nil {
|
|
Handle(fmt.Errorf("starting span %q: %w", name, err))
|
|
}
|
|
ctx, sp := o.otelTracer.Start(ctx, name, otelOpts...)
|
|
return ctx, NewSpan(sp)
|
|
}
|
|
|
|
// StartSpanWithRemoteParent starts a new child span of the span from the
|
|
// given parent.
|
|
func (o *Tracer) StartSpanWithRemoteParent(ctx context.Context, name string, parent octrace.SpanContext, s ...octrace.StartOption) (context.Context, *octrace.Span) {
|
|
// make sure span context is zero'd out so we use the remote parent
|
|
ctx = trace.ContextWithSpan(ctx, nil)
|
|
ctx = trace.ContextWithRemoteSpanContext(ctx, oc2otel.SpanContext(parent))
|
|
return o.StartSpan(ctx, name, s...)
|
|
}
|
|
|
|
// FromContext returns the Span stored in a context.
|
|
func (o *Tracer) FromContext(ctx context.Context) *octrace.Span {
|
|
return NewSpan(trace.SpanFromContext(ctx))
|
|
}
|
|
|
|
// NewContext returns a new context with the given Span attached.
|
|
func (o *Tracer) NewContext(parent context.Context, s *octrace.Span) context.Context {
|
|
if otSpan, ok := s.Internal().(*Span); ok {
|
|
return trace.ContextWithSpan(parent, otSpan.otelSpan)
|
|
}
|
|
Handle(fmt.Errorf("unable to create context with span %q, since it was created using a different tracer", s.String()))
|
|
return parent
|
|
}
|