Mainflux.mainflux/opcua/redis/routemap.go

62 lines
1.3 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package redis
import (
"fmt"
"github.com/go-redis/redis"
"github.com/mainflux/mainflux/opcua"
)
var _ opcua.RouteMapRepository = (*routerMap)(nil)
type routerMap struct {
client *redis.Client
prefix string
}
// NewRouteMapRepository returns redis thing cache implementation.
func NewRouteMapRepository(client *redis.Client, prefix string) opcua.RouteMapRepository {
return &routerMap{
client: client,
prefix: prefix,
}
}
func (mr *routerMap) Save(mfxID, opcuaID string) error {
tkey := fmt.Sprintf("%s:%s", mr.prefix, mfxID)
if err := mr.client.Set(tkey, opcuaID, 0).Err(); err != nil {
return err
}
lkey := fmt.Sprintf("%s:%s", mr.prefix, opcuaID)
if err := mr.client.Set(lkey, mfxID, 0).Err(); err != nil {
return err
}
return nil
}
func (mr *routerMap) Get(opcuaID string) (string, error) {
lKey := fmt.Sprintf("%s:%s", mr.prefix, opcuaID)
mval, err := mr.client.Get(lKey).Result()
if err != nil {
return "", err
}
return mval, nil
}
func (mr *routerMap) Remove(mfxID string) error {
mkey := fmt.Sprintf("%s:%s", mr.prefix, mfxID)
lval, err := mr.client.Get(mkey).Result()
if err != nil {
return err
}
lkey := fmt.Sprintf("%s:%s", mr.prefix, lval)
return mr.client.Del(mkey, lkey).Err()
}