mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-01-26 03:52:03 +02:00
f995380e58
* Move `api/label` to `label` * Move `api/kv` package contents into `label` package * Unify label package name * Move `api/internal/rawhelpers.go` to `internal` * Propagate replacing `api/kv` with `label` pkg * golint * Fix over-aggressive change * Update Changelog
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright The OpenTelemetry 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 parent
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import (
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"context"
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"go.opentelemetry.io/otel/api/trace"
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"go.opentelemetry.io/otel/label"
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)
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func GetSpanContextAndLinks(ctx context.Context, ignoreContext bool) (trace.SpanContext, bool, []trace.Link) {
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lsctx := trace.SpanFromContext(ctx).SpanContext()
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rsctx := trace.RemoteSpanContextFromContext(ctx)
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if ignoreContext {
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links := addLinkIfValid(nil, lsctx, "current")
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links = addLinkIfValid(links, rsctx, "remote")
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return trace.EmptySpanContext(), false, links
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}
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if lsctx.IsValid() {
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return lsctx, false, nil
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}
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if rsctx.IsValid() {
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return rsctx, true, nil
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}
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return trace.EmptySpanContext(), false, nil
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}
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func addLinkIfValid(links []trace.Link, sc trace.SpanContext, kind string) []trace.Link {
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if !sc.IsValid() {
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return links
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}
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return append(links, trace.Link{
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SpanContext: sc,
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Attributes: []label.KeyValue{
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label.String("ignored-on-demand", kind),
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},
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})
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}
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