func (r *LedReporter) watch() {
var t *time.Ticker = time.NewTicker(1 * time.Minute)
for {
select {
case color := <-r.blinkChan:
if t != nil {
t.Stop()
}
led.Off()
switch color {
case RED:
led.Red(true)
case BLUE:
led.Blue(true)
case GREEN:
led.Green(true)
}
t = time.NewTicker(100 * time.Millisecond)
case <-t.C:
led.Off()
if registered {
led.Blue(true)
} else {
led.Off()
}
}
}
}
// Ticker Function
func (c *cclient) tickHandler(ticker *time.Ticker) {
defer LOGV.Println("client has stopped ticking.")
for {
select {
case <-ticker.C:
length := len(c.movelist)
if length > 0 {
LOGV.Println("movelist is length " + strconv.Itoa(length))
var translatedMove int
switch c.movelist[length-1] {
case lib2048.Up:
translatedMove = 0
case lib2048.Right:
translatedMove = 1
case lib2048.Down:
translatedMove = 2
case lib2048.Left:
translatedMove = 3
}
move := util.ClientMove{translatedMove}
c.moveQueue <- move
c.movelist = c.movelist[0:0]
// websocket.JSON.Send(c.conn, move)
}
case <-c.quitchan:
ticker.Stop()
close(c.quitchan)
return
}
}
}
func applyAll(max int, reps []string, apply func(puid string) error) []error {
ch := make(chan error, len(reps))
wg := sync.WaitGroup{}
queue := make(chan struct{}, max) // to avoid hammering TNA
_, _, tf, _ := config.HarvestOptions()
var throttle *time.Ticker
if tf > 0 {
throttle = time.NewTicker(tf)
defer throttle.Stop()
}
for _, puid := range reps {
if tf > 0 {
<-throttle.C
}
wg.Add(1)
go func(puid string) {
queue <- struct{}{}
defer wg.Done()
if err := apply(puid); err != nil {
ch <- err
}
<-queue
}(puid)
}
wg.Wait()
close(ch)
var errors []error
for err := range ch {
errors = append(errors, err)
}
return errors
}
func (s *Scheme) RunReader(reader factory.Reader) {
s.closer = reader
defer s.done.Done()
s.startReporter()
buffer := make([]byte, s.bytesPerMessage*2)
var ticker *time.Ticker
if s.tickerTime > 0 {
ticker = time.NewTicker(s.tickerTime)
defer ticker.Stop()
}
for {
if ticker != nil {
<-ticker.C
}
if s.isClosed() {
break
}
count, err := reader.Read(buffer)
s.countMessage(count, err)
}
}
func (p *pin) startPwmLoop(initialValue int) {
if p.pwmLoop != nil {
p.pwmLoop <- initialValue
return
}
p.pwmLoop = make(chan int)
p.quitPwmLoop = make(chan chan error)
go func() {
var err error
var period time.Duration = 20 * time.Millisecond
var highDuration time.Duration
var ticker *time.Ticker = time.NewTicker(period)
defer func() {
// cleanup
close(p.pwmLoop)
close(p.quitPwmLoop)
p.pwmLoop = nil
p.quitPwmLoop = nil
ticker.Stop()
}()
for {
select {
case v := <-p.pwmLoop:
switch {
case v == 0:
p.SetLow()
return
case v == 100:
p.SetHigh()
return
default:
highDuration = valueToDuration(v, period)
}
case reply := <-p.quitPwmLoop:
reply <- nil
return
case <-ticker.C:
err = p.SetHigh()
if err != nil {
reply := <-p.quitPwmLoop
reply <- err
return
}
time.Sleep(highDuration)
err = p.SetLow()
if err != nil {
reply := <-p.quitPwmLoop
reply <- err
return
}
}
}
}()
}
func workerProviderRun(w *worker.Worker, args ...interface{}) {
var (
prov = w.Props[0].(*provider.Provider)
timeTicker *time.Ticker
timeChan <-chan time.Time
)
defer func() { w.State = worker.JobStopped }()
defer w.Shutdown()
logger.Log(logger.LevelDebug, "provider", "%s: starting", prov.Name)
// If provider `refresh_interval` has been configured, set up a time ticker
if prov.Config.RefreshInterval > 0 {
timeTicker = time.NewTicker(time.Duration(prov.Config.RefreshInterval) * time.Second)
timeChan = timeTicker.C
}
for {
select {
case _ = <-timeChan:
logger.Log(logger.LevelDebug, "provider", "%s: performing refresh from connector", prov.Name)
if err := prov.Connector.Refresh(prov.Name, prov.Filters.Input); err != nil {
logger.Log(logger.LevelError, "provider", "%s: unable to refresh: %s", prov.Name, err)
continue
}
prov.LastRefresh = time.Now()
case cmd := <-w.ReceiveJobSignals():
switch cmd {
case jobSignalRefresh:
logger.Log(logger.LevelInfo, "provider", "%s: received refresh command", prov.Name)
if err := prov.Connector.Refresh(prov.Name, prov.Filters.Input); err != nil {
logger.Log(logger.LevelError, "provider", "%s: unable to refresh: %s", prov.Name, err)
continue
}
prov.LastRefresh = time.Now()
case jobSignalShutdown:
logger.Log(logger.LevelInfo, "provider", "%s: received shutdown command, stopping job", prov.Name)
w.State = worker.JobStopped
if timeTicker != nil {
// Stop refresh time ticker
timeTicker.Stop()
}
return
default:
logger.Log(logger.LevelNotice, "provider", "%s: received unknown command, ignoring", prov.Name)
}
}
}
}
// 负责定时更新本地缓存的 access token.
// 使用这种复杂的实现是减少 time.Now() 的调用, 不然每次都要比较 time.Now().
func (c *Client) tokenService() {
const defaultTickDuration = time.Minute // 设置 44 秒以上就不会超过限制(2000次/日 的限制)
// 当前定时器的时间间隔, 正常情况下等于当前的 access token 的过期时间减去 10 秒;
// 异常情况下就要尝试不断的获取, 时间间隔就是 defaultTickDuration.
currentTickDuration := defaultTickDuration
var tk *time.Ticker
NewTickDuration:
for {
tk = time.NewTicker(currentTickDuration)
for {
select {
case currentTickDuration = <-c.resetRefreshTickChan: // 在别的地方成功获取了 access token, 重置定时器.
tk.Stop()
break NewTickDuration
case <-tk.C:
resp, err := c.getNewToken()
switch {
case err != nil:
c.update("", err)
// 出错则重置到 defaultTickDuration
if currentTickDuration != defaultTickDuration { // 这个判断的目的是避免重置定时器开销
tk.Stop()
currentTickDuration = defaultTickDuration
break NewTickDuration
}
case resp.ExpiresIn > 10: // 正常情况
c.update(resp.Token, nil)
// 根据返回的过期时间来重新设置定时器
// 设置新的 currentTickDuration, 考虑到网络延时, 提前 10 秒过期
nextTickDuration := time.Duration(resp.ExpiresIn-10) * time.Second
if currentTickDuration != nextTickDuration { // 这个判断的目的是避免重置定时器开销
tk.Stop()
currentTickDuration = nextTickDuration
break NewTickDuration
}
case resp.ExpiresIn > 0: // 正常情况下不会出现
c.update(resp.Token, nil)
// 根据返回的过期时间来重新设置定时器
nextTickDuration := time.Duration(resp.ExpiresIn) * time.Second
if currentTickDuration != nextTickDuration { // 这个判断的目的是避免重置定时器开销
tk.Stop()
currentTickDuration = nextTickDuration
break NewTickDuration
}
default: // resp.ExpiresIn <= 0, 正常情况下不会出现
c.update("", fmt.Errorf("tokenService: access token 过期时间应该是正整数: %d", resp.ExpiresIn))
// 出错则重置到 defaultTickDuration
if currentTickDuration != defaultTickDuration { // 这个判断的目的是避免重置定时器开销
tk.Stop()
currentTickDuration = defaultTickDuration
break NewTickDuration
}
}
}
}
}
}
func (s *Server) StartVerifier(ticker *time.Ticker) {
var err error
defer DeleteServer(s.LobbyId)
_, err = s.rcon.Query("status")
if err != nil {
err = s.rcon.Reconnect(5 * time.Minute)
if err != nil {
publishEvent(Event{
Name: DisconnectedFromServer,
LobbyID: s.LobbyId})
return
}
}
for {
select {
case <-ticker.C:
if !s.Verify() {
ticker.Stop()
s.rcon.Close()
return
}
case <-s.StopVerifier:
helpers.Logger.Debugf("Stopping logger for lobby %d", s.LobbyId)
s.rcon.Say("[tf2stadium.com] Lobby Ended.")
s.rcon.RemoveTag("TF2Stadium")
ticker.Stop()
s.rcon.Close()
return
}
}
}
// poll all known lookup servers every LookupdPollInterval
func (r *Consumer) lookupdLoop() {
// add some jitter so that multiple consumers discovering the same topic,
// when restarted at the same time, dont all connect at once.
jitter := time.Duration(int64(r.rng.Float64() *
r.config.LookupdPollJitter * float64(r.config.LookupdPollInterval)))
var ticker *time.Ticker
select {
case <-time.After(jitter):
case <-r.exitChan:
goto exit
}
ticker = time.NewTicker(r.config.LookupdPollInterval)
for {
select {
case <-ticker.C:
r.queryLookupd()
case <-r.lookupdRecheckChan:
r.queryLookupd()
case <-r.exitChan:
goto exit
}
}
exit:
if ticker != nil {
ticker.Stop()
}
r.log(LogLevelInfo, "exiting lookupdLoop")
r.wg.Done()
}
// Run is roleManager's main loop.
func (rm *roleManager) Run() {
defer close(rm.doneChan)
var (
nodes []*api.Node
ticker *time.Ticker
tickerCh <-chan time.Time
)
watcher, cancelWatch, err := store.ViewAndWatch(rm.store,
func(readTx store.ReadTx) error {
var err error
nodes, err = store.FindNodes(readTx, store.All)
return err
},
state.EventUpdateNode{})
defer cancelWatch()
if err != nil {
log.L.WithError(err).Error("failed to check nodes for role changes")
} else {
for _, node := range nodes {
rm.pending[node.ID] = node
rm.reconcileRole(node)
}
if len(rm.pending) != 0 {
ticker = time.NewTicker(roleReconcileInterval)
tickerCh = ticker.C
}
}
for {
select {
case event := <-watcher:
node := event.(state.EventUpdateNode).Node
rm.pending[node.ID] = node
rm.reconcileRole(node)
if len(rm.pending) != 0 && ticker == nil {
ticker = time.NewTicker(roleReconcileInterval)
tickerCh = ticker.C
}
case <-tickerCh:
for _, node := range rm.pending {
rm.reconcileRole(node)
}
if len(rm.pending) == 0 {
ticker.Stop()
ticker = nil
tickerCh = nil
}
case <-rm.ctx.Done():
if ticker != nil {
ticker.Stop()
}
return
}
}
}
// one per broker
// groups messages together into appropriately-sized batches for sending to the broker
// based on https://godoc.org/github.com/eapache/channels#BatchingChannel
func (p *Producer) messageAggregator(broker *Broker, input chan *ProducerMessage) {
var ticker *time.Ticker
var timer <-chan time.Time
if p.config.FlushFrequency > 0 {
ticker = time.NewTicker(p.config.FlushFrequency)
timer = ticker.C
}
var buffer []*ProducerMessage
var doFlush chan []*ProducerMessage
var bytesAccumulated int
flusher := make(chan []*ProducerMessage)
go withRecover(func() { p.flusher(broker, flusher) })
for {
select {
case msg := <-input:
if msg == nil {
goto shutdown
}
if (bytesAccumulated+msg.byteSize() >= forceFlushThreshold()) ||
(p.config.Compression != CompressionNone && bytesAccumulated+msg.byteSize() >= p.config.MaxMessageBytes) ||
(p.config.MaxMessagesPerReq > 0 && len(buffer) >= p.config.MaxMessagesPerReq) {
Logger.Println("producer/aggregator maximum request accumulated, forcing blocking flush")
flusher <- buffer
buffer = nil
doFlush = nil
bytesAccumulated = 0
}
buffer = append(buffer, msg)
bytesAccumulated += msg.byteSize()
if len(buffer) >= p.config.FlushMsgCount ||
(p.config.FlushByteCount > 0 && bytesAccumulated >= p.config.FlushByteCount) {
doFlush = flusher
}
case <-timer:
doFlush = flusher
case doFlush <- buffer:
buffer = nil
doFlush = nil
bytesAccumulated = 0
}
}
shutdown:
if ticker != nil {
ticker.Stop()
}
if len(buffer) > 0 {
flusher <- buffer
}
close(flusher)
}
func (x *Sieve) loop() {
// Close out connection
defer func() {
close(x.k)
x.Mute()
x.dual.Mute()
}()
// Timeout ticker
var tkr *time.Ticker
var expchan <-chan time.Time
if x.exp > 0 {
tkr = time.NewTicker(x.exp)
expchan = tkr.C
}
defer func() {
if tkr != nil {
tkr.Stop()
}
}()
// Main loop
var nrecv, nticks int
for {
select {
case <-x.abrt:
x.Frame.Println("Aborting sieve.")
return
case <-expchan:
nticks++
if nticks > 1 {
x.Frame.Println("Breaking connection due to timeout.")
return // Timeout with nothing send kills the connection
}
case q, ok := <-x.s:
nticks = 0
if !ok {
return // s-channel closed, i.e. a Close on the sending HalfConn, kills the connection
}
nrecv++
send := nrecv <= x.nok
forceEOF := nrecv+1 > x.nok+x.ndrop
if send {
if _, ok := q.(eof); ok {
x.Frame.Println("SIEVE ---> EOF") // ??
}
x.t.Send(q)
}
// OK tells conn.Write whether the message was delivered
// EOF tells conn.Write whether the connection has ended after the write
x.k <- feedback{OK: send, EOF: forceEOF}
if forceEOF {
x.Mute()
x.dual.Mute()
}
//x.Printf("X=%-2d dlvr=%4v forceEOF=%4v (%d,%d)", nrecv, send, forceEOF, x.nok, x.ndrop)
}
}
}
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
go func() {
time.Sleep(10 * time.Second)
pprof.StopCPUProfile()
}()
}
app.Main(func(a app.App) {
var logdbg *time.Ticker
var glctx gl.Context
for ev := range a.Events() {
switch ev := a.Filter(ev).(type) {
case lifecycle.Event:
switch ev.Crosses(lifecycle.StageVisible) {
case lifecycle.CrossOn:
logdbg = time.NewTicker(time.Second)
go func() {
for range logdbg.C {
log.Printf("fps=%-4v underruns=%-4v buflen=%-4v tickavg=%-12s drift=%s\n",
fps, al.Underruns(), al.BufLen(), al.TickAverge(), al.DriftApprox())
}
}()
glctx = ev.DrawContext.(gl.Context)
onStart(glctx)
al.Start()
case lifecycle.CrossOff:
glctx = nil
logdbg.Stop()
al.Stop()
al.CloseDevice()
}
case touch.Event:
env.Touch(ev)
case size.Event:
if glctx == nil {
a.Send(ev)
} else {
onLayout(ev)
}
case paint.Event:
if glctx != nil {
onPaint(glctx)
a.Publish()
a.Send(paint.Event{})
}
}
}
})
}
// clicker handles possibly multiple click mouse actions.
// It should be called with the first mouse event that triggered
// the action (which should have m.Buttons != 0), and the
// channel from which it will read mouse events.
// It sends a mouse event on c for each click;
// and closes c when no more clicks are available.
// If the last event has Buttons == 0, the mouse
// has been released, otherwise the user continues
// to drag the mouse. Only the last event may have Buttons==0.
//
func clicker(m0 draw.Mouse, mc <-chan draw.Mouse) (clicks, final <-chan draw.Mouse) {
var t *time.Ticker
c := make(chan draw.Mouse)
fc := make(chan draw.Mouse, 1)
go func() {
c <- m0
m := m0
tracking:
for !closed(mc) {
// wait for button up or delta or time to move outside limit.
for m = range mc {
if m.Buttons == 0 {
// does a long click with no intervening movement still count as a click?
break
}
d := m.Sub(m0.Point)
if m.Nsec-m0.Nsec > ClickTime || d.X*d.X+d.Y*d.Y > ClickDist {
break tracking
}
}
t = time.NewTicker(ClickTime)
// wait for button down or delta or time to move outside limit.
buttonDown:
for {
select {
case m = <-mc:
if closed(mc) {
break tracking
}
d := m.Sub(m0.Point)
if m.Nsec-m0.Nsec > ClickTime || d.X*d.X+d.Y*d.Y > ClickDist {
break tracking
}
if m.Buttons != 0 {
break buttonDown
}
case <-t.C:
break tracking
}
}
t.Stop()
t = nil
c <- m0
m0 = m
}
if t != nil {
t.Stop()
}
close(c)
fc <- m
return
}()
return c, fc
}
func keepalive(conn ssh.Conn, ticker *time.Ticker, stopCh chan struct{}) {
for {
select {
case <-ticker.C:
_, _, _ = conn.SendRequest("*****@*****.**", true, nil)
case <-stopCh:
ticker.Stop()
return
}
}
}
// daemon controls the backup processors
func daemon(ticker *time.Ticker, quit <-chan bool) {
config := stash.NewConfig()
for {
select {
case <-ticker.C:
processBackups(config)
case <-quit:
ticker.Stop()
return
}
}
}
func (t *watcher) run(evt chan<- bool, ticker *time.Ticker) {
for {
select {
case <-ticker.C:
evt <- true
case <-t.stopChan:
ticker.Stop()
close(evt)
return
}
}
}
func output(startTime time.Time, ticker *time.Ticker) {
for t := range ticker.C {
totalNum := alog.GALog.GetWriteNum()
currentSecond := float64(t.Sub(startTime)) / float64(time.Second)
info := fmt.Sprintf("\r ===> 写入日志条数：%d,用时：%.2fs", totalNum, currentSecond)
fmt.Print(info)
if totalNum == int64(_LogNum) {
ticker.Stop()
_GCHComplete <- time.Now()
}
}
}
func PingList(hostList []string, waitTime int, timeLimit int) {
successAlive := make([]PingReturn, 0)
noRet := make(chan PingReturn, 255)
var ticker *time.Ticker
ticker = time.NewTicker(time.Second)
defer ticker.Stop()
go func() {
for {
select {
case <-ticker.C:
fmt.Printf("all:%d over:%d pre:%f\n", len(hostList), len(successAlive), 0.)
}
}
}()
for _, v := range hostList {
go func(v string) {
r := ping(v, timeLimit)
// print("*")
noRet <- r
}(v)
}
func() {
for {
select {
case <-time.After(time.Second * time.Duration(waitTime)):
fmt.Println("timeout ", waitTime)
return
case r := <-noRet:
successAlive = append(successAlive, r)
if len(successAlive) == len(hostList) {
return
}
continue
}
break
}
}()
var suc, err int
for _, v := range successAlive {
if v.success {
suc++
fmt.Printf("ip:%s success:%t\n", v.host, v.success)
} else {
err++
// fmt.Println(v.msg, v.err.Error())
}
}
fmt.Printf("###########################\nsuccess:%d error:%d\n", suc, err)
}
//A time ticker writes data to request channel for every request.CheckEvery seconds
func createTicker(requestConfig RequestConfig) {
var ticker *time.Ticker = time.NewTicker(requestConfig.CheckEvery * time.Second)
quit := make(chan struct{})
for {
select {
case <-ticker.C:
requestChannel <- requestConfig
case <-quit:
ticker.Stop()
return
}
}
}
func handleEmails(cfg *config.Config, db *database.Db, broker *messaging.Broker, ticker *time.Ticker, quit chan os.Signal, wg *sync.WaitGroup) {
defer wg.Done()
for {
select {
case <-ticker.C:
fmt.Printf("Email stuff\n")
case <-quit:
fmt.Printf("Shutting down email loop\n")
ticker.Stop()
return
}
}
}
func main() {
fmt.Println("Started!")
chs := [...]struct {
ch chan<- bool
on bool
}{
{openStrobe(7), true},
{openStrobe(8), true},
{openStrobe(11), true},
}
vlc := startMedia("music/say.wav")
time.Sleep(time.Second * 1)
bpmChange := make(chan *time.Ticker)
go detectBPM(vlc, bpmChange)
cmd := make(chan int)
go getInput(cmd)
cur := true
var ticker *time.Ticker
var tickChan <-chan time.Time
for {
select {
case <-tickChan:
for _, ch := range chs {
if ch.on {
ch.ch <- cur
}
}
cur = !cur
case newTicker := <-bpmChange:
if ticker != nil {
ticker.Stop()
}
ticker = newTicker
tickChan = ticker.C
case char := <-cmd:
switch {
case char >= 0 && char < len(chs):
chs[char].on = !chs[char].on
chs[char].ch <- false
default:
fmt.Println("Bad command:", char)
}
}
}
}
func loopHistoricalRecordEvent(ticker *time.Ticker, checkingInterval time.Duration) {
for {
select {
case <-ticker.C:
// Historical record
if active {
periodicalRunHistoricalRecordEvent()
}
case <-quitChannel:
ticker.Stop()
log.Info("Loop historical record event quit")
return
}
}
}
func (gs *GameServer) adjustSpeed(ticker *time.Ticker) *time.Ticker {
ticker.Stop()
if gs.SuddenDeathTime != nil {
timeSinceSDStart := time.Now().Sub(*gs.SuddenDeathTime)
SDRound := int(timeSinceSDStart / SUDDENDEATH_INC_TIME)
speedFactor := 1.0 + (float64(SDRound) * SUDDENDEATH_FACTOR)
speed := time.Duration(float64(SPEED.Nanoseconds()) / speedFactor)
ticker = time.NewTicker(speed)
} else {
ticker = time.NewTicker(SPEED)
}
return ticker
}
func keepConnectionOpen(ws *websocket.Conn, ticker *time.Ticker, quit chan struct{}) {
for {
select {
case <-ticker.C:
err := ws.WriteJSON(map[string]string{
"action": "no-op",
})
if err != nil {
return
}
case <-quit:
ticker.Stop()
return
}
}
}
// standaloneTLSTicketKeyRotation governs over the array of TLS ticket keys used to de/crypt TLS tickets.
// It periodically sets a new ticket key as the first one, used to encrypt (and decrypt),
// pushing any old ticket keys to the back, where they are considered for decryption only.
//
// Lack of entropy for the very first ticket key results in the feature being disabled (as does Go),
// later lack of entropy temporarily disables ticket key rotation.
// Old ticket keys are still phased out, though.
//
// Stops the ticker when returning.
func standaloneTLSTicketKeyRotation(c *tls.Config, ticker *time.Ticker, exitChan chan struct{}) {
defer ticker.Stop()
// The entire page should be marked as sticky, but Go cannot do that
// without resorting to syscall#Mlock. And, we don't have madvise (for NODUMP), too. ☹
keys := make([][32]byte, 1, NumTickets)
rng := c.Rand
if rng == nil {
rng = rand.Reader
}
if _, err := io.ReadFull(rng, keys[0][:]); err != nil {
c.SessionTicketsDisabled = true // bail if we don't have the entropy for the first one
return
}
c.SessionTicketKey = keys[0] // SetSessionTicketKeys doesn't set a 'tls.keysAlreadySet'
c.SetSessionTicketKeys(setSessionTicketKeysTestHook(keys))
for {
select {
case _, isOpen := <-exitChan:
if !isOpen {
return
}
case <-ticker.C:
rng = c.Rand // could've changed since the start
if rng == nil {
rng = rand.Reader
}
var newTicketKey [32]byte
_, err := io.ReadFull(rng, newTicketKey[:])
if len(keys) < NumTickets {
keys = append(keys, keys[0]) // manipulates the internal length
}
for idx := len(keys) - 1; idx >= 1; idx-- {
keys[idx] = keys[idx-1] // yes, this makes copies
}
if err == nil {
keys[0] = newTicketKey
}
// pushes the last key out, doesn't matter that we don't have a new one
c.SetSessionTicketKeys(setSessionTicketKeysTestHook(keys))
}
}
}
func (ep *websocketPeer) sending() {
ep.inSending = make(chan struct{})
var ticker *time.Ticker
if ep.PingTimeout == 0 {
ticker = time.NewTicker(7 * 24 * time.Hour)
} else {
ticker = time.NewTicker(ep.PingTimeout)
}
defer func() {
ep.setReadDead()
ticker.Stop()
close(ep.inSending)
}()
for {
select {
case msg := <-ep.sendMsgs:
if closed, _ := ep.doSend(msg); closed {
return
}
case <-ticker.C:
wt := ep.WriteTimeout
if wt == 0 {
wt = 10 * time.Second
}
if err := ep.conn.WriteControl(websocket.PingMessage, nil, time.Now().Add(wt)); err != nil {
log.Println("error sending ping message:", err)
return
}
case <-ep.closing:
// sending remaining messages.
for {
select {
case msg := <-ep.sendMsgs:
if closed, _ := ep.doSend(msg); !closed {
continue
}
default:
}
break
}
return
}
ep.updateReadDeadline()
}
}
func main() {
app.Main(func(a app.App) {
var glctx gl.Context
var ticker *time.Ticker
for ev := range a.Events() {
switch ev := a.Filter(ev).(type) {
case lifecycle.Event:
switch ev.Crosses(lifecycle.StageVisible) {
case lifecycle.CrossOn:
if ticker != nil {
ticker.Stop()
}
ticker = time.NewTicker(time.Second)
go func() {
for range ticker.C {
log.Printf("fps=%-4v\n", fps)
}
}()
glctx = ev.DrawContext.(gl.Context)
onStart(glctx)
a.Send(paint.Event{})
case lifecycle.CrossOff:
if ticker != nil {
ticker.Stop()
}
onStop(glctx)
glctx = nil
}
case size.Event:
if glctx == nil {
a.Send(ev) // republish event until onStart is called
} else {
onLayout(ev)
}
case paint.Event:
if glctx == nil || ev.External {
continue
}
onPaint(glctx)
a.Publish()
a.Send(paint.Event{})
case touch.Event:
env.Touch(ev)
}
}
})
}
func loopNotifier(ticker *time.Ticker, checkingInterval time.Duration) {
for {
select {
// Notifier
case replicationControllerNotifier := <-registerNotifierChannel:
receiveFromNotifierChannel(replicationControllerNotifier)
case <-ticker.C:
// Notifier
periodicalCheckNotifier(checkingInterval)
case <-quitChannel:
ticker.Stop()
close(registerNotifierChannel)
log.Info("Loop notifier quit")
return
}
}
}
func (p *Subscriber) loop(t *time.Ticker, lookup Lookup) {
defer t.Stop()
for {
select {
case <-t.C:
instances, err := p.resolve(lookup)
if err != nil {
p.logger.Log("name", p.name, "err", err)
continue // don't replace potentially-good with bad
}
p.cache.Update(instances)
case <-p.quit:
return
}
}
}