mirror of
https://github.com/golang/go
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55 lines
2.1 KiB
Go
55 lines
2.1 KiB
Go
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// 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 core
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import (
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"context"
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)
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// Log1 takes a message and one tag delivers a log event to the exporter.
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// It is a customized version of Print that is faster and does no allocation.
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func Log1(ctx context.Context, message string, t1 Tag) {
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Export(ctx, MakeEvent(LogType, sTags{Msg.Of(message), t1}, nil))
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}
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// Log2 takes a message and two tags and delivers a log event to the exporter.
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// It is a customized version of Print that is faster and does no allocation.
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func Log2(ctx context.Context, message string, t1 Tag, t2 Tag) {
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Export(ctx, MakeEvent(LogType, sTags{Msg.Of(message), t1, t2}, nil))
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}
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// Metric1 sends a label event to the exporter with the supplied tags.
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func Metric1(ctx context.Context, t1 Tag) context.Context {
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return Export(ctx, MakeEvent(RecordType, sTags{t1}, nil))
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}
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// Metric2 sends a label event to the exporter with the supplied tags.
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func Metric2(ctx context.Context, t1, t2 Tag) context.Context {
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return Export(ctx, MakeEvent(RecordType, sTags{t1, t2}, nil))
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}
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// Metric3 sends a label event to the exporter with the supplied tags.
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func Metric3(ctx context.Context, t1, t2, t3 Tag) context.Context {
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return Export(ctx, MakeEvent(RecordType, sTags{t1, t2, t3}, nil))
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}
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// Start1 sends a span start event with the supplied tag list to the exporter.
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// It also returns a function that will end the span, which should normally be
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// deferred.
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func Start1(ctx context.Context, name string, t1 Tag) (context.Context, func()) {
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return ExportPair(ctx,
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MakeEvent(StartSpanType, sTags{Name.Of(name), t1}, nil),
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MakeEvent(EndSpanType, sTags{}, nil))
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}
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// Start2 sends a span start event with the supplied tag list to the exporter.
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// It also returns a function that will end the span, which should normally be
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// deferred.
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func Start2(ctx context.Context, name string, t1, t2 Tag) (context.Context, func()) {
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return ExportPair(ctx,
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MakeEvent(StartSpanType, sTags{Name.Of(name), t1, t2}, nil),
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MakeEvent(EndSpanType, sTags{}, nil))
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}
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