File: output.tpl

package info (click to toggle)
golang-github-cilium-ebpf 0.17.3%2Bds1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 4,684 kB
  • sloc: ansic: 1,259; makefile: 127; python: 113; awk: 29; sh: 24
file content (157 lines) | stat: -rw-r--r-- 4,048 bytes parent folder | download
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
151
152
153
154
155
156
157
// Code generated by bpf2go; DO NOT EDIT.
{{ with .Constraints }}//go:build {{ . }}{{ end }}

package {{ .Package }}

import (
	"bytes"
	_ "embed"
	"fmt"
	"io"

	"{{ .Module }}"
)

{{- if .Types }}
{{- range $type := .Types }}
{{ $.TypeDeclaration (index $.TypeNames $type) $type }}

{{ end }}
{{- end }}

// {{ .Name.Load }} returns the embedded CollectionSpec for {{ .Name }}.
func {{ .Name.Load }}() (*ebpf.CollectionSpec, error) {
	reader := bytes.NewReader({{ .Name.Bytes }})
	spec, err := ebpf.LoadCollectionSpecFromReader(reader)
	if err != nil {
		return nil, fmt.Errorf("can't load {{ .Name }}: %w", err)
	}

	return spec, err
}

// {{ .Name.LoadObjects }} loads {{ .Name }} and converts it into a struct.
//
// The following types are suitable as obj argument:
//
//	*{{ .Name.Objects }}
//	*{{ .Name.Programs }}
//	*{{ .Name.Maps }}
//
// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
func {{ .Name.LoadObjects }}(obj interface{}, opts *ebpf.CollectionOptions) (error) {
	spec, err := {{ .Name.Load }}()
	if err != nil {
		return err
	}

	return spec.LoadAndAssign(obj, opts)
}

// {{ .Name.Specs }} contains maps and programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type {{ .Name.Specs }} struct {
	{{ .Name.ProgramSpecs }}
	{{ .Name.MapSpecs }}
	{{ .Name.VariableSpecs }}
}

// {{ .Name.ProgramSpecs }} contains programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type {{ .Name.ProgramSpecs }} struct {
{{- range $name, $id := .Programs }}
	{{ $id }} *ebpf.ProgramSpec `ebpf:"{{ $name }}"`
{{- end }}
}

// {{ .Name.MapSpecs }} contains maps before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type {{ .Name.MapSpecs }} struct {
{{- range $name, $id := .Maps }}
	{{ $id }} *ebpf.MapSpec `ebpf:"{{ $name }}"`
{{- end }}
}

// {{ .Name.VariableSpecs }} contains global variables before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type {{ .Name.VariableSpecs }} struct {
{{- range $name, $id := .Variables }}
	{{ $id }} *ebpf.VariableSpec `ebpf:"{{ $name }}"`
{{- end }}
}

// {{ .Name.Objects }} contains all objects after they have been loaded into the kernel.
//
// It can be passed to {{ .Name.LoadObjects }} or ebpf.CollectionSpec.LoadAndAssign.
type {{ .Name.Objects }} struct {
	{{ .Name.Programs }}
	{{ .Name.Maps }}
	{{ .Name.Variables }}
}

func (o *{{ .Name.Objects }}) Close() error {
	return {{ .Name.CloseHelper }}(
		&o.{{ .Name.Programs }},
		&o.{{ .Name.Maps }},
	)
}

// {{ .Name.Maps }} contains all maps after they have been loaded into the kernel.
//
// It can be passed to {{ .Name.LoadObjects }} or ebpf.CollectionSpec.LoadAndAssign.
type {{ .Name.Maps }} struct {
{{- range $name, $id := .Maps }}
	{{ $id }} *ebpf.Map `ebpf:"{{ $name }}"`
{{- end }}
}

func (m *{{ .Name.Maps }}) Close() error {
	return {{ .Name.CloseHelper }}(
{{- range $id := .Maps }}
		m.{{ $id }},
{{- end }}
	)
}

// {{ .Name.Variables }} contains all global variables after they have been loaded into the kernel.
//
// It can be passed to {{ .Name.LoadObjects }} or ebpf.CollectionSpec.LoadAndAssign.
type {{ .Name.Variables }} struct {
{{- range $name, $id := .Variables }}
	{{ $id }} *ebpf.Variable `ebpf:"{{ $name }}"`
{{- end }}
}

// {{ .Name.Programs }} contains all programs after they have been loaded into the kernel.
//
// It can be passed to {{ .Name.LoadObjects }} or ebpf.CollectionSpec.LoadAndAssign.
type {{ .Name.Programs }} struct {
{{- range $name, $id := .Programs }}
	{{ $id }} *ebpf.Program `ebpf:"{{ $name }}"`
{{- end }}
}

func (p *{{ .Name.Programs }}) Close() error {
	return {{ .Name.CloseHelper }}(
{{- range $id := .Programs }}
		p.{{ $id }},
{{- end }}
	)
}

func {{ .Name.CloseHelper }}(closers ...io.Closer) error {
	for _, closer := range closers {
		if err := closer.Close(); err != nil {
			return err
		}
	}
	return nil
}

// Do not access this directly.
//go:embed {{ .File }}
var {{ .Name.Bytes }} []byte