1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
// Copyright 2022 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 zap_benchmarks
import (
"io"
"sync"
"time"
"go.uber.org/zap"
"go.uber.org/zap/buffer"
"go.uber.org/zap/zapcore"
)
// from zap/internal/ztest
// A syncer is a spy for the Sync portion of zapcore.WriteSyncer.
type syncer struct {
err error
called bool
}
// SetError sets the error that the Sync method will return.
func (s *syncer) SetError(err error) {
s.err = err
}
// Sync records that it was called, then returns the user-supplied error (if
// any).
func (s *syncer) Sync() error {
s.called = true
return s.err
}
// Called reports whether the Sync method was called.
func (s *syncer) Called() bool {
return s.called
}
// A discarder sends all writes to ioutil.Discard.
type discarder struct{ syncer }
// Write implements io.Writer.
func (d *discarder) Write(b []byte) (int, error) {
return io.Discard.Write(b)
}
// fastTextEncoder mimics slog/benchmarks.fastTextHandler.
type fastTextEncoder struct {
buf *buffer.Buffer
zapcore.ObjectEncoder
}
var bufferPool = buffer.NewPool()
var tePool = sync.Pool{
New: func() any { return &fastTextEncoder{} },
}
func newFastTextEncoder() *fastTextEncoder {
e := tePool.Get().(*fastTextEncoder)
e.buf = bufferPool.Get()
return e
}
func (c *fastTextEncoder) Clone() zapcore.Encoder {
clone := newFastTextEncoder()
if c.buf != nil {
panic("buf should be nil")
clone.buf.Write(c.buf.Bytes())
}
return clone
}
func (c *fastTextEncoder) EncodeEntry(e zapcore.Entry, fs []zap.Field) (*buffer.Buffer, error) {
c2 := newFastTextEncoder()
if !e.Time.IsZero() {
c2.buf.AppendString("time=")
c2.appendTime(e.Time)
c2.buf.AppendByte(' ')
}
c2.buf.AppendString("level=")
c2.buf.AppendInt(int64(e.Level))
c2.buf.AppendByte(' ')
c2.buf.AppendString("msg=")
c2.buf.AppendString(e.Message)
for _, f := range fs {
c2.buf.AppendByte(' ')
f.AddTo(c2)
}
c2.buf.AppendString("\n")
buf := c2.buf
tePool.Put(c2)
return buf, nil
}
func (c *fastTextEncoder) AddString(key, value string) {
c.buf.AppendString(key)
c.buf.AppendByte('=')
c.buf.AppendString(value)
}
func (c *fastTextEncoder) AddTime(key string, value time.Time) {
c.buf.AppendString(key)
c.buf.AppendByte('=')
c.appendTime(value)
}
func (c *fastTextEncoder) AddDuration(key string, value time.Duration) {
c.buf.AppendString(key)
c.buf.AppendByte('=')
c.buf.AppendInt(value.Nanoseconds())
}
func (c *fastTextEncoder) AddInt64(key string, value int64) {
c.buf.AppendString(key)
c.buf.AppendByte('=')
c.buf.AppendInt(value)
}
func (c *fastTextEncoder) appendTime(t time.Time) {
c.buf.AppendInt(t.Unix())
}
// asyncCore mimics slog/benchmarks.asyncHandler.
type asyncCore struct {
ringBuffer [100]entryAndFields
next int
}
type entryAndFields struct {
e zapcore.Entry
f []zap.Field
}
func (*asyncCore) Enabled(zapcore.Level) bool { return true }
func (c *asyncCore) With([]zap.Field) zapcore.Core { return c }
func (*asyncCore) Sync() error { return nil }
// Also needed to make this non-trivial.
func (c *asyncCore) Check(ent zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
return ce.AddCore(ent, c)
}
func (c *asyncCore) Write(e zapcore.Entry, f []zap.Field) error {
c.ringBuffer[c.next] = entryAndFields{e, f}
c.next = (c.next + 1) % len(c.ringBuffer)
return nil
}
|
