mirror of
https://github.com/golang/go
synced 2024-11-06 04:36:15 -07:00
a49f79bcc2
Change-Id: I390102bbffaa242051cc131ef0659a6544aa89c6 Reviewed-on: https://go-review.googlesource.com/c/tools/+/224938 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Package event provides support for event based telemetry.
|
|
package event
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
)
|
|
|
|
type eventType uint8
|
|
|
|
const (
|
|
LogType = eventType(iota)
|
|
StartSpanType
|
|
EndSpanType
|
|
LabelType
|
|
DetachType
|
|
RecordType
|
|
)
|
|
|
|
type Event struct {
|
|
typ eventType
|
|
At time.Time
|
|
Message string
|
|
Error error
|
|
|
|
tags []Tag
|
|
}
|
|
|
|
func (e Event) IsLog() bool { return e.typ == LogType }
|
|
func (e Event) IsEndSpan() bool { return e.typ == EndSpanType }
|
|
func (e Event) IsStartSpan() bool { return e.typ == StartSpanType }
|
|
func (e Event) IsLabel() bool { return e.typ == LabelType }
|
|
func (e Event) IsDetach() bool { return e.typ == DetachType }
|
|
func (e Event) IsRecord() bool { return e.typ == RecordType }
|
|
|
|
func (e Event) Format(f fmt.State, r rune) {
|
|
if !e.At.IsZero() {
|
|
fmt.Fprint(f, e.At.Format("2006/01/02 15:04:05 "))
|
|
}
|
|
fmt.Fprint(f, e.Message)
|
|
if e.Error != nil {
|
|
if f.Flag('+') {
|
|
fmt.Fprintf(f, ": %+v", e.Error)
|
|
} else {
|
|
fmt.Fprintf(f, ": %v", e.Error)
|
|
}
|
|
}
|
|
for it := e.Tags(); it.Valid(); it.Advance() {
|
|
tag := it.Tag()
|
|
fmt.Fprintf(f, "\n\t%s = %v", tag.Key.Name(), tag.Value)
|
|
}
|
|
}
|
|
|
|
func (ev Event) Tags() TagIterator {
|
|
if len(ev.tags) == 0 {
|
|
return TagIterator{}
|
|
}
|
|
return NewTagIterator(ev.tags...)
|
|
}
|
|
|
|
func (ev Event) Map() TagMap {
|
|
return NewTagMap(ev.tags...)
|
|
}
|