69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package config
|
|
|
|
import (
|
|
"encoding/json"
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
// OIDTopicObject maps OIDs to MQTT topics
|
|
type OIDTopicObject struct {
|
|
OID string `json:"oid"`
|
|
Topic string `json:"topic"`
|
|
}
|
|
|
|
// SNMPEndpointObject is the SNMP Endpoint definition
|
|
type SNMPEndpointObject struct {
|
|
Endpoint string `json:"endpoint"`
|
|
Community string `json:"community"`
|
|
OIDTopics []OIDTopicObject `json:"oidTopics"`
|
|
}
|
|
|
|
// SNMPMapObject basic map of endpoints
|
|
type SNMPMapObject struct {
|
|
SNMPEndpoints []SNMPEndpointObject `json:"snmpEndpoints"`
|
|
}
|
|
|
|
var (
|
|
// SNMPMap is the loaded JSON configuration
|
|
SNMPMap *SNMPMapObject
|
|
|
|
// Server is the MQTT server address
|
|
Server string
|
|
|
|
// Port is the MQTT server listen port
|
|
Port int
|
|
|
|
// ClientID is how the name of the client
|
|
ClientID string
|
|
|
|
// TopicPrefix is just that, a prefix for the presented data keys
|
|
TopicPrefix string
|
|
|
|
// Interval is the poll interval in seconds
|
|
Interval int
|
|
)
|
|
|
|
// ConnectionString returns the MQTT connection string
|
|
func ConnectionString() string {
|
|
return "tcp://" + Server + ":" + strconv.Itoa(Port)
|
|
}
|
|
|
|
// LoadMap loads the file in to the struct
|
|
func LoadMap(file string) error {
|
|
configFile, err := os.Open(file)
|
|
defer configFile.Close()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
jsonParser := json.NewDecoder(configFile)
|
|
err = jsonParser.Decode(&SNMPMap)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|