summaryrefslogtreecommitdiff
path: root/internal/resources/resources.go
blob: 7a7232b70d4228ff11e8b80338b70c12371a6d72 (plain)
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
package resources

import (
	"fmt"
	"log"
	"sync"

	"codeberg.org/snonux/gonf/internal/resource"
)

func Init() {
	once.Do(func() {
		registry = new()
	})
}

func Register(res resource.Resource) error {
	mu.Lock()
	defer mu.Unlock()

	if _, exists := registry.registered[res.ID()]; exists {
		return fmt.Errorf("resource %v already registered", res)
	}

	registry.registered[res.ID()] = res
	log.Printf("Registered resource %v\n", res)

	return nil
}

var (
	registry resources
	once     sync.Once
	mu       sync.Mutex
)

type resources struct {
	registered map[string]resource.Resource
}

func new() resources {
	return resources{
		registered: make(map[string]resource.Resource),
	}
}