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package main
import (
"encoding/json"
"log"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/brutella/hc"
"github.com/brutella/hc/accessory"
"github.com/brutella/hc/util"
)
type AppConfig struct {
Broker string
BridgeName string
Pin string
}
func loadAppConfig(s util.Storage) (*AppConfig, error) {
d, err := s.Get("bridgeConfig")
if err != nil {
return nil, err
}
c := &AppConfig{}
if err = json.Unmarshal(d, c); err != nil {
return nil, err
}
return c, nil
}
func main() {
wg := &sync.WaitGroup{}
done := make(chan interface{})
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt)
signal.Notify(c, os.Kill)
signal.Notify(c, syscall.SIGTERM)
storage, err := util.NewFileStorage("db")
if err != nil {
panic(err)
}
cfg, err := loadAppConfig(storage)
if err != nil {
panic(err)
}
broker, err := NewMQTTBroker(cfg.Broker)
if err != nil {
panic(err)
}
if err := broker.Subscribe("shellies/announce", nil); err != nil {
panic(err)
}
if err := broker.Publish("shellies/command", "announce"); err != nil {
panic(err)
}
ac := make(chan *UnifiedSwitch, 10)
go func() {
wg.Add(1)
defer wg.Done()
log.Println("Starting homekit thread")
reg := []*accessory.Accessory{}
// Collect devices until the discovery process quiesces, then start the
// transport
quiescence := 10 * time.Second
t := time.NewTimer(quiescence)
C:
for {
select {
case a := <-ac:
log.Println("Homekit: new device")
reg = append(reg, a.HomeKitSwitch.Accessory)
// TODO: Extend timer deadline
case <-t.C:
log.Println("Homekit: timeout over")
t.Stop()
break C
case <-done:
log.Println("Homekit: cancelled")
return
}
}
log.Println("MQTT quiesces, starting HomeKit")
br := accessory.NewBridge(accessory.Info{Name: cfg.BridgeName})
transport, err := hc.NewIPTransport(hc.Config{Pin: cfg.Pin}, br.Accessory, reg...)
if err != nil {
log.Fatalf("%s", err)
}
go transport.Start()
log.Printf("HomeKit transport started")
select {
case <-done:
log.Printf("Shutting down transport")
if transport != nil {
<-transport.Stop()
}
}
log.Printf("Transport shut down")
}()
for {
select {
case d := <-broker.Devices:
if d == nil {
continue
}
us, err := NewUnifiedSwitch(broker, d)
if err != nil {
log.Printf("Error connecting device: %e", err)
continue
}
go us.MessageLoop(done, wg)
ac <- us
log.Printf("New Device: %s\n", d.Identity())
case <-c:
close(done)
broker.Shutdown()
wg.Wait()
return
}
}
}
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