mirror of
https://github.com/golang/go
synced 2024-11-19 07:44:49 -07:00
5b08f89bfc
this shuffles things so there a single exporter API rather than an observer It also removes most of the globals. per telemetry type. Change-Id: Iaa82abe2ded1fff9df8e067ed4a55bcbd9d9591f Reviewed-on: https://go-review.googlesource.com/c/tools/+/190405 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package export
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import (
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"context"
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"golang.org/x/tools/internal/telemetry"
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)
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// Multi returns an exporter that invokes all the exporters given to it in order.
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func Multi(e ...Exporter) Exporter {
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a := make(multi, 0, len(e))
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for _, i := range e {
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if i == nil {
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continue
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}
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if i, ok := i.(multi); ok {
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a = append(a, i...)
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continue
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}
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a = append(a, i)
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}
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return a
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}
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type multi []Exporter
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func (m multi) StartSpan(ctx context.Context, span *telemetry.Span) {
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for _, o := range m {
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o.StartSpan(ctx, span)
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}
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}
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func (m multi) FinishSpan(ctx context.Context, span *telemetry.Span) {
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for _, o := range m {
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o.FinishSpan(ctx, span)
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}
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}
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func (m multi) Log(ctx context.Context, event telemetry.Event) {
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for _, o := range m {
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o.Log(ctx, event)
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}
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}
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func (m multi) Metric(ctx context.Context, data telemetry.MetricData) {
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for _, o := range m {
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o.Metric(ctx, data)
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}
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}
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