// Connect to local instance of Redis running on the default port.
func ExampleDial(x int) {
c, err := redis.Dial("tcp", ":6379")
if err != nil {
// handle error
}
defer c.Close()
}
func main() {
log.Infof("Welcome home, Ninja.")
if config.Bool(true, "homecloud.waitForNTP") {
waitForNTP()
}
// The MQTT Connection
conn, err := ninja.Connect("sphere-go-homecloud")
if err != nil {
log.Fatalf("Failed to connect to sphere: %s", err)
}
// An MQTT Connection used for outbound syncing connections
syncConn := &models.SyncConnection{}
syncConn.Conn, err = ninja.Connect("sphere-go-homecloud.sync")
if err != nil {
log.Fatalf("Failed to connect to sphere (sync): %s", err)
}
// Our redis pool
pool := &redis.Pool{
MaxIdle: config.MustInt("homecloud.redis.maxIdle"),
MaxActive: config.Int(10, "homecloud.redis.maxActive"),
IdleTimeout: config.MustDuration("homecloud.redis.idleTimeout"),
Wait: true,
Dial: func() (redis.Conn, error) {
c, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", config.String("", "homecloud.redis.host"), config.MustInt("homecloud.redis.port")))
if err != nil {
return nil, err
}
return c, err
},
TestOnBorrow: func(c redis.Conn, t time.Time) error {
_, err := c.Do("PING")
return err
},
}
// Not pretty.
rpc.RedisPool = pool
// Wait until we connect to redis successfully.
for {
c := pool.Get()
if c.Err() == nil {
c.Close()
break
}
log.Warningf("Failed to connect to redis: %s", c.Err())
time.Sleep(time.Second)
}
// Build the object graph using dependency injection
injectables := []interface{}{}
injectables = append(injectables, pool, conn, syncConn)
injectables = append(injectables, &homecloud.HomeCloud{}, &homecloud.TimeSeriesManager{}, &homecloud.DeviceManager{}, &homecloud.ModuleManager{})
injectables = append(injectables, state.NewStateManager())
injectables = append(injectables, &rest.RestServer{})
injectables = append(injectables, models.GetInjectables()...)
err = inject.Populate(injectables...)
if err != nil {
log.Fatalf("Failed to construct the object graph: %s", err)
}
// Run PostConstruct on any objects that have it
for _, node := range injectables {
if n, ok := node.(postConstructable); ok {
go func(c postConstructable) {
if err := c.PostConstruct(); err != nil {
log.Fatalf("Failed PostConstruct on object %s: %s", reflect.TypeOf(c).String(), err)
}
}(n)
}
}
support.WaitUntilSignal()
// So long, and thanks for all the fish.
}