func write() {
consecutiveFailures := 0
for {
// Wait a random amount of time (to avoid looking too suspicious)
// Note - rand was seeded with the startup time in flashlight.go
n := rand.Intn(publishSecondsVariance)
wait := time.Duration(basePublishSeconds-publishSecondsVariance/2+n) * time.Second
oldIp := GetIp()
oldCountry := GetCountry()
newCountry, newIp, err := lookupIp(client.Load().(*http.Client))
if err == nil {
consecutiveFailures = 0
if newIp != oldIp {
log.Debugf("IP changed")
ip.Store(newIp)
}
// Always publish location, even if unchanged
pubsub.Pub(pubsub.IP, newIp)
service.Out <- newCountry
} else {
msg := fmt.Sprintf("Unable to get current location: %s", err)
// When retrying after a failure, wait a different amount of time
retryWait := time.Duration(math.Pow(2, float64(consecutiveFailures))*float64(retryWaitMillis)) * time.Millisecond
if retryWait < wait {
log.Debug(msg)
wait = retryWait
} else {
log.Error(msg)
}
log.Debugf("Waiting %v before retrying", wait)
consecutiveFailures += 1
// If available, publish last known location
if oldCountry != "" {
service.Out <- oldCountry
}
}
time.Sleep(wait)
}
}
func write() {
consecutiveFailures := 0
for {
// Wait a random amount of time (to avoid looking too suspicious)
// Note - rand was seeded with the startup time in flashlight.go
n := rand.Intn(publishSecondsVariance)
wait := time.Duration(basePublishSeconds-publishSecondsVariance/2+n) * time.Second
oldLocation := GetLocation()
newLocation, err := geolookup.LookupIPWithClient("", client.Load().(*http.Client))
if err == nil {
consecutiveFailures = 0
if !reflect.DeepEqual(newLocation, oldLocation) {
log.Debugf("Location changed")
location.Store(newLocation)
pubsub.Pub(pubsub.Location, newLocation)
}
// Always publish location, even if unchanged
service.Out <- newLocation
} else {
msg := fmt.Sprintf("Unable to get current location: %s", err)
// When retrying after a failure, wait a different amount of time
retryWait := time.Duration(math.Pow(2, float64(consecutiveFailures))*float64(retryWaitMillis)) * time.Millisecond
if retryWait < wait {
log.Debug(msg)
wait = retryWait
} else {
log.Error(msg)
}
log.Debugf("Waiting %v before retrying", wait)
consecutiveFailures += 1
// If available, publish last known location
if oldLocation != nil {
service.Out <- oldLocation
}
}
time.Sleep(wait)
}
}