unpoller_unpoller/core/unifi/unifi.go

104 lines
2.9 KiB
Go

package unifi
import (
"encoding/json"
"io/ioutil"
"github.com/pkg/errors"
)
// GetClients returns a response full of clients' data from the Unifi Controller.
func (u *Unifi) GetClients() ([]UCL, error) {
var response struct {
Clients []UCL `json:"data"`
}
req, err := u.UniReq(ClientPath, "")
if err != nil {
return nil, errors.Wrap(err, "c.UniReq(ClientPath)")
}
resp, err := u.Do(req)
if err != nil {
return nil, errors.Wrap(err, "c.Do(req)")
}
defer func() {
_ = resp.Body.Close()
}()
if body, err := ioutil.ReadAll(resp.Body); err != nil {
return nil, errors.Wrap(err, "ioutil.ReadAll(resp.Body)")
} else if err = json.Unmarshal(body, &response); err != nil {
return nil, errors.Wrap(err, "json.Unmarshal([]UCL)")
}
return response.Clients, nil
}
// GetDevices returns a response full of devices' data from the Unifi Controller.
func (u *Unifi) GetDevices() (*Devices, error) {
var parsed struct {
Data []json.RawMessage `json:"data"`
}
req, err := u.UniReq(DevicePath, "")
if err != nil {
return nil, errors.Wrap(err, "c.UniReq(DevicePath)")
}
resp, err := u.Do(req)
if err != nil {
return nil, errors.Wrap(err, "c.Do(req)")
}
defer func() {
_ = resp.Body.Close()
}()
if body, err := ioutil.ReadAll(resp.Body); err != nil {
return nil, errors.Wrap(err, "ioutil.ReadAll(resp.Body)")
} else if err = json.Unmarshal(body, &parsed); err != nil {
return nil, errors.Wrap(err, "json.Unmarshal([]json.RawMessage)")
}
return u.parseDevices(parsed.Data), nil
}
// parseDevices parses the raw JSON from the Unifi Controller into device structures.
func (u *Unifi) parseDevices(data []json.RawMessage) *Devices {
devices := new(Devices)
// Loop each item in the raw JSON message, detect its type and unmarshal it.
for i, r := range data {
var usg USG
var usw USW
var uap UAP
// Unamrshal into a map and check "type"
var obj map[string]interface{}
if err := json.Unmarshal(r, &obj); err != nil {
u.eLogf("%d: json.Unmarshal(interfce{}): %v", i, err)
continue
}
assetType := "<missing>"
if t, ok := obj["type"].(string); ok {
assetType = t
}
u.dLogf("Unmarshalling Device Type: %v", assetType)
// Unmarshal again into the correct type..
switch assetType {
case "uap":
if err := json.Unmarshal(r, &uap); err != nil {
u.eLogf("%d: json.Unmarshal([]UAP): %v", i, err)
continue
}
devices.UAPs = append(devices.UAPs, uap)
case "ugw", "usg": // in case they ever fix the name in the api.
if err := json.Unmarshal(r, &usg); err != nil {
u.eLogf("%d: json.Unmarshal([]USG): %v", i, err)
continue
}
devices.USGs = append(devices.USGs, usg)
case "usw":
if err := json.Unmarshal(r, &usw); err != nil {
u.eLogf("%d: json.Unmarshal([]USW): %v", i, err)
continue
}
devices.USWs = append(devices.USWs, usw)
default:
u.dLogf("unknown asset type - " + assetType + " - skipping")
continue
}
}
return devices
}