go-grpc-prometheus/server_extension.go at master · Percona-Lab/go-grpc-prometheus · GitHub

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
package grpc_prometheus

import "context"

type ServerExtension interface {
	ServerHandledCounterCustomLabels() []string
	ServerHandledCounterValues(ctx context.Context) []string

	ServerStreamMsgReceivedCounterCustomLabels() []string
	ServerStreamMsgReceivedCounterValues(ctx context.Context) []string

	ServerStreamMsgSentCounterCustomLabels() []string
	ServerStreamMsgSentCounterValues(ctx context.Context) []string

	ServerHandledHistogramCustomLabels() []string
	ServerHandledHistogramValues(ctx context.Context) []string
}

type DefaultExtension struct {
}

var emptyExtension ServerExtension = DefaultExtension{}

func (DefaultExtension) ServerHandledCounterCustomLabels() []string {
	return nil
}

func (DefaultExtension) ServerHandledCounterValues(context.Context) []string {
	return nil
}

func (DefaultExtension) ServerStreamMsgReceivedCounterCustomLabels() []string {
	return nil
}

func (DefaultExtension) ServerStreamMsgReceivedCounterValues(context.Context) []string {
	return nil
}

func (DefaultExtension) ServerStreamMsgSentCounterCustomLabels() []string {
	return nil
}

func (DefaultExtension) ServerStreamMsgSentCounterValues(context.Context) []string {
	return nil
}

func (DefaultExtension) ServerHandledHistogramCustomLabels() []string {
	return nil
}

func (DefaultExtension) ServerHandledHistogramValues(context.Context) []string {
	return nil
}