-
Notifications
You must be signed in to change notification settings - Fork 302
/
registry.go
62 lines (52 loc) · 1.99 KB
/
registry.go
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
// Copyright © 2020 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package redis
import (
"context"
"runtime/trace"
ttnredis "go.thethings.network/lorawan-stack/v3/pkg/redis"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
"go.thethings.network/lorawan-stack/v3/pkg/unique"
)
// GatewayConnectionStatsRegistry implements the GatewayConnectionStatsRegistry interface.
type GatewayConnectionStatsRegistry struct {
Redis *ttnredis.Client
}
func (r *GatewayConnectionStatsRegistry) key(uid string) string {
return r.Redis.Key("uid", uid)
}
// Set sets or clears the connection stats for a gateway.
func (r *GatewayConnectionStatsRegistry) Set(ctx context.Context, ids ttnpb.GatewayIdentifiers, stats *ttnpb.GatewayConnectionStats) error {
uid := unique.ID(ctx, ids)
defer trace.StartRegion(ctx, "set gateway connection stats").End()
var err error
if stats == nil {
err = r.Redis.Del(r.key(uid)).Err()
} else {
_, err = ttnredis.SetProto(r.Redis, r.key(uid), stats, 0)
}
if err != nil {
return ttnredis.ConvertError(err)
}
return nil
}
// Get returns the connection stats for a gateway.
func (r *GatewayConnectionStatsRegistry) Get(ctx context.Context, ids ttnpb.GatewayIdentifiers) (*ttnpb.GatewayConnectionStats, error) {
uid := unique.ID(ctx, ids)
result := &ttnpb.GatewayConnectionStats{}
if err := ttnredis.GetProto(r.Redis, r.key(uid)).ScanProto(result); err != nil {
return nil, ttnredis.ConvertError(err)
}
return result, nil
}