mirror of
https://github.com/golang/go
synced 2024-11-06 04:26:11 -07:00
d780ff7bdd
This is now the only package that is exposed to normal use, and should be the only thing to appear in libraries. Change-Id: I90ee47c6519f30db16ff5d5d2910be86e91e5df2 Reviewed-on: https://go-review.googlesource.com/c/tools/+/222557 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
53 lines
1.2 KiB
Go
53 lines
1.2 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
|
|
)
|
|
|
|
type Event struct {
|
|
Type eventType
|
|
At time.Time
|
|
Message string
|
|
Error error
|
|
Tags TagList
|
|
}
|
|
|
|
func (e Event) IsLog() bool { return e.Type == LogType }
|
|
func (e Event) IsEndSpan() bool { return e.Type == EndSpanType }
|
|
func (e Event) IsStartSpan() bool { return e.Type == StartSpanType }
|
|
func (e Event) IsTag() bool { return e.Type == LabelType }
|
|
func (e Event) IsDetach() bool { return e.Type == DetachType }
|
|
|
|
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 _, tag := range e.Tags {
|
|
fmt.Fprintf(f, "\n\t%v = %v", tag.Key, tag.Value)
|
|
}
|
|
}
|