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switch.go
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switch.go
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// Copyright 2019 py60800.
// Use of this source code is governed by Apache-2 licence
// license that can be found in the LICENSE file.
package tuya
import (
// "fmt"
"encoding/json"
"errors"
"log"
"sync/atomic"
"time"
)
type Switch interface {
Set(bool) error
SetW(bool, time.Duration) (bool, error)
Status() (bool, error)
StatusW(time.Duration) (bool, error)
}
const (
SwitchOff = 0
SwitchOn = 1
SwitchUndetermined = 2
)
type ISwitch struct {
baseDevice
status int32
}
func (s *ISwitch) Set(on bool) error {
m := s.app.makeBaseMsg()
m["dps"] = map[string]bool{"1": on}
return s.app.SendEncryptedCommand(CodeMsgSet, m)
}
func (s *ISwitch) SetW(on bool, delay time.Duration) (bool, error) {
c := MakeSyncChannel()
k := s.Subscribe(c)
defer s.Unsubscribe(k)
deadLine := time.Now().Add(delay)
err := s.Set(on)
if err != nil {
return s._status(), err
}
for {
select {
case <-c:
// Ignore Code :
if on == (int32(atomic.LoadInt32(&s.status)) != 0) {
return on, nil
}
case <-time.After(deadLine.Sub(time.Now())):
return s._status(), errors.New("Timeout")
}
}
}
func (s *ISwitch) Status() (bool, error) {
switch int(atomic.LoadInt32(&s.status)) {
case 0:
return false, nil
case 1:
return true, nil
default:
return false, errors.New("Undetermined")
}
}
func (s *ISwitch) _status() bool {
return atomic.LoadInt32(&s.status) != 0
}
func (s *ISwitch) StatusW(delay time.Duration) (bool, error) {
c := MakeSyncChannel()
k := s.Subscribe(c)
defer s.Unsubscribe(k)
deadLine := time.Now().Add(delay)
err := s.app.SendCommand(CodeMsgStatus, s.app.makeStatusMsg())
if err != nil {
return s._status(), err
}
for {
select {
case synMsg := <-c:
if synMsg.Code == CodeMsgStatus ||
synMsg.Code == CodeMsgAutoStatus {
s, e := s.Status()
return s, e
}
case <-time.After(deadLine.Sub(time.Now())):
return s._status(), errors.New("Timeout")
}
}
}
func (s *ISwitch) processResponse(code int, data []byte) {
switch {
case len(data) == 0:
return
case code == 7:
return
case code == 9:
return
}
var r map[string]interface{}
//fmt.Println(code, string(data))
err := json.Unmarshal(data, &r)
if err != nil {
log.Println("JSON decode error")
return
}
atomic.StoreInt32(&s.status, SwitchUndetermined)
v, ok := r["dps"]
if ok {
v1, ok2 := v.(map[string]interface{})
if ok2 {
v2, ok3 := v1["1"]
if ok3 {
vs, _ := v2.(bool)
ivs := int32(0)
if vs {
ivs = int32(1)
}
atomic.StoreInt32(&s.status, ivs)
}
}
}
s.Notify(code, s)
}
// Device implementation
func (s *ISwitch) configure(a *Appliance, c *configurationData) {
s.status = SwitchUndetermined
s._configure("Switch", a, c)
}