// Read responses from the tunnel and fulfill pending requests
func wsReader(rs *remoteServer, ws *websocket.Conn, wsTimeout time.Duration, ch chan int) {
var err error
log_token := cutToken(rs.token)
// continue reading until we get an error
for {
ws.SetReadDeadline(time.Time{}) // no timeout, there's the ping-pong for that
// read a message from the tunnel
var t int
var r io.Reader
t, r, err = ws.NextReader()
if err != nil {
break
}
if t != websocket.BinaryMessage {
err = fmt.Errorf("non-binary message received, type=%d", t)
break
}
// give the sender a fixed time to get us the data
ws.SetReadDeadline(time.Now().Add(wsTimeout))
// get request id
var id int16
_, err = fmt.Fscanf(io.LimitReader(r, 4), "%04x", &id)
if err != nil {
break
}
// read request itself, the size is limited by the SetReadLimit on the websocket
var buf []byte
buf, err = ioutil.ReadAll(r)
if err != nil {
break
}
rs.log.Info("WS RCV", "id", id, "ws", wsp(ws), "len", len(buf))
// try to match request
rs.requestSetMutex.Lock()
req := rs.requestSet[id]
rs.lastActivity = time.Now()
rs.requestSetMutex.Unlock()
// let's see...
if req != nil {
rb := responseBuffer{response: bytes.NewBuffer(buf)}
// try to enqueue response
select {
case req.replyChan <- rb:
// great!
default:
rs.log.Info("WS RCV can't enqueue response", "id", id, "ws", wsp(ws))
}
} else {
rs.log.Info("%s #%d: WS RCV orphan response", "id", id, "ws", wsp(ws))
}
}
// print error message
if err != nil {
rs.log.Info("WS closing", "token", log_token, "err", err.Error(), "ws", wsp(ws))
}
// close up shop
ch <- 0 // notify sender
time.Sleep(2 * time.Second)
ws.Close()
}
/**
Listen for Pods. We're only interested in MODIFIED and DELETED events.
*/
func listen(wsConn *websocket.Conn, wsErrors chan string) {
log.Println("Listening for pods")
for {
_, r, err := wsConn.NextReader()
if err != nil {
log.Printf("Error getting reader: %v", err)
wsErrors <- "Error"
return
}
dec := json.NewDecoder(r)
var objmap map[string]*json.RawMessage
dec.Decode(&objmap)
var actionType string
json.Unmarshal(*objmap["type"], &actionType)
var pod api.Pod
err = json.Unmarshal(*objmap["object"], &pod)
switch actionType {
case "MODIFIED":
register(pod)
case "DELETED":
deletePod(pod)
}
}
}
// Listen for Services.
func svcListener(wsConn *websocket.Conn, wsErrors chan string) {
log.Println("Listening for services")
for {
_, r, err := wsConn.NextReader()
if err != nil {
log.Printf("Error getting reader: %v", err)
wsErrors <- "Error"
return
}
dec := json.NewDecoder(r)
var objmap map[string]*json.RawMessage
dec.Decode(&objmap)
// debug purpose
// b,_ := json.Marshal(objmap)
// log.Printf("%s", b)
var actionType string
json.Unmarshal(*objmap["type"], &actionType)
var svc api.Service
err = json.Unmarshal(*objmap["object"], &svc)
switch actionType {
case "ADDED":
registerSvc(svc)
case "DELETED":
unregisterSvc(svc)
}
}
}
func readLoop(c *websocket.Conn) {
for {
if _, _, err := c.NextReader(); err != nil {
c.Close()
break
}
}
}
func (ws *Websocket) Reader(c *goWs.Conn, closed chan<- bool) {
defer c.Close()
for {
messageType, _, err := c.NextReader()
if err != nil || messageType == goWs.CloseMessage {
break
}
}
closed <- true
}
func keepWsAlive(ws *websocket.Conn) {
// We repeatedly read from the websocket connections and discard
// the reader in order to process the underlying ping/pong messages
// of the websocket connection
for {
_, _, err := ws.NextReader()
if err != nil {
ws.Close()
break
}
}
}
func ws_null_reader(conn *websocket.Conn, info_ptr *WsInfo) {
// Apparently reading WebSocket messages from clients is mandatory.
// This function also closes connections if needed.
for {
if _, _, err := conn.NextReader(); err != nil {
remove_from_ws_client_list(info_ptr)
conn.Close()
return
}
}
}
func streamWebsocketIOFromContainerizer(ws *websocket.Conn, pidChannel chan<- string, processIO garden.ProcessIO) (int, error) {
defer close(pidChannel)
defer func() {
ws.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
go func() {
for {
_, _, err := ws.NextReader()
if err != nil {
ws.Close()
break
}
}
}()
}()
receiveStream := ProcessStreamEvent{}
for {
err := websocket.ReadJSON(ws, &receiveStream)
if err != nil {
return -1, err
}
if receiveStream.MessageType == "pid" {
pidChannel <- receiveStream.Data
}
if receiveStream.MessageType == "stdout" && processIO.Stdout != nil {
io.WriteString(processIO.Stdout, receiveStream.Data)
}
if receiveStream.MessageType == "stderr" && processIO.Stderr != nil {
io.WriteString(processIO.Stderr, receiveStream.Data)
}
if receiveStream.MessageType == "error" {
return -1, errors.New(receiveStream.Data)
}
if receiveStream.MessageType == "close" {
exitCode, err := strconv.Atoi(receiveStream.Data)
if err != nil {
return -1, err
}
return exitCode, nil
}
}
}
func (this *Server) NewConnection(conn *websocket.Conn) (string, error) {
_, reader, err := conn.NextReader()
if err != nil {
glog.Errorf("Error establishing new connection: %s", err.Error())
}
user, err := message.GetUser(reader)
if err != nil {
return "", err
}
glog.Infof("Register conenction with uid: %s", user.Uid)
this.Users[user.Uid] = NewClient(conn, user)
this.Users[user.Uid].Send(user, message.MSG_USER_DATA)
return user.Uid, nil
}
func WebsocketRecvStream(w io.WriteCloser, conn *websocket.Conn) chan bool {
ch := make(chan bool)
go func(w io.WriteCloser, conn *websocket.Conn) {
for {
mt, r, err := conn.NextReader()
if mt == websocket.CloseMessage {
Debugf("Got close message for reader")
break
}
if mt == websocket.TextMessage {
Debugf("got message barrier")
break
}
if err != nil {
Debugf("Got error getting next reader %s, %s", err, w)
break
}
buf, err := ioutil.ReadAll(r)
if err != nil {
Debugf("Got error writing to writer %s", err)
break
}
if w == nil {
continue
}
i, err := w.Write(buf)
if i != len(buf) {
Debugf("Didn't write all of buf")
break
}
if err != nil {
Debugf("Error writing buf %s", err)
break
}
}
ch <- true
}(w, conn)
return ch
}
func wsReader(conn *websocket.Conn, m chan<- message, e chan<- error) {
for {
t, r, err := conn.NextReader()
if err != nil {
e <- io.EOF
return
}
msg, err := ioutil.ReadAll(r)
if err != nil {
e <- err
return
}
m <- message{ws.MsgType(t), msg}
}
}
func (sc *ServerConnection) read(ws *websocket.Conn) {
// log.Println("Response", resp)
status := new(ServerUpdate)
status.ConnID = sc.ConnID
for {
select {
case <-sc.quit:
log.Println("server reader got quit message")
sc.quit <- true
return
default:
ws.SetReadDeadline(time.Now().Add(time.Second * 3))
sc.statusMsg("Ok")
op, r, err := ws.NextReader()
if err != nil {
status := fmt.Sprintf("Error reading from server: %s", err)
sc.statusErrorMsg(status)
log.Println(status)
return
}
msg, err := ioutil.ReadAll(r)
// log.Println("op", op, "msg", string(msg), "err", err)
if op == websocket.TextMessage {
err = json.Unmarshal(msg, &status)
if err != nil {
log.Printf("Unmarshall err from '%s': '%s', data: '%s'\n", sc.IP.String(), err, msg)
}
// log.Printf("Got status: %#v\n", status)
sc.updateChan <- status
} else {
log.Println("op", op, "msg", string(msg), "err", err)
}
// os.Exit(0)
}
}
}
func processRotondePackets(conn *websocket.Conn, inChan, outChan chan interface{}) {
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case dispatcherPacket := <-inChan:
jsonPacket, err := rotonde.ToJSON(dispatcherPacket)
if err != nil {
log.Warning(err)
}
if err := conn.WriteMessage(websocket.TextMessage, jsonPacket); err != nil {
log.Fatal(err)
return
}
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
for {
messageType, reader, err := conn.NextReader()
if err != nil {
log.Fatal(err)
return
}
if messageType == websocket.TextMessage {
dispatcherPacket, err := rotonde.FromJSON(reader)
if err != nil {
log.Warning(err)
}
outChan <- dispatcherPacket
}
}
}()
log.Info("Treating messages")
wg.Wait()
}
// reader is the guts of this package. It takes the stdin and stdout pipes
// of the cmd we created in ServeWS and pipes them between the client and server
// over websockets.
func reader(conn *websocket.Conn, stdout io.ReadCloser, stdin io.WriteCloser) {
// Setup our connection's websocket ping/pong handlers from our const values.
conn.SetReadLimit(maxMessageSize)
conn.SetReadDeadline(time.Now().Add(pongWait))
conn.SetPongHandler(func(string) error { conn.SetReadDeadline(time.Now().Add(pongWait)); return nil })
tickerChan := make(chan bool)
defer close(tickerChan) // make sure to close the ticker when we are done.
go ticker(conn, tickerChan)
for {
msgType, r, err := conn.NextReader()
if err != nil {
if msgType == -1 {
return // we got a disconnect from the client. We are good to close.
}
conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseGoingAway, ""), time.Time{})
return
}
w, err := conn.NextWriter(msgType)
if err != nil {
conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseGoingAway, ""), time.Time{})
return
}
if _, err := io.Copy(stdin, r); err != nil {
conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseGoingAway, ""), time.Time{})
return
}
go func() {
if _, err := io.Copy(w, stdout); err != nil {
conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseGoingAway, ""), time.Time{})
return
}
if err := w.Close(); err != nil {
conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseGoingAway, ""), time.Time{})
return
}
}()
}
}
func WSHandler(c *websocket.Conn) {
closed := false
ret := websocket.CloseError{
Code: websocket.CloseNormalClosure,
}
const writeWait = 10 * time.Second
defer func() {
log.Infof("Close websocket [%s]", ret.Error())
c.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(ret.Code, ret.Text), time.Now().Add(writeWait))
c.Close()
}()
go func() {
for {
_, r, err := c.NextReader()
if err != nil {
break
}
io.Copy(ioutil.Discard, r)
}
log.Infof("Pipe closed")
closed = true
}()
for !closed {
signal := M{
"pm2.5": atomic.LoadInt32(¤tPM25),
"pm10": atomic.LoadInt32(¤tPM100),
}
if err := c.WriteJSON(signal); err != nil && err != websocket.ErrCloseSent {
if _, ok := err.(net.Error); !ok {
log.Warnf("Error writing to client: %s", err.Error())
}
closed = true
}
time.Sleep(2 * time.Second)
}
}
func readMessage(c *websocket.Conn, t *testing.T) Message {
op, r, err := c.NextReader()
if op != websocket.TextMessage {
t.Error("expecting a text message")
}
if err != nil {
t.Error("cannot create reader")
}
str, err := ioutil.ReadAll(r)
if err != nil {
t.Error("websocket read error")
}
msg := Message{}
if err := json.Unmarshal(str, &msg); err != nil {
t.Error("cannot parse websocket response")
}
return msg
}
func (user *User) Receiver(location *Location, ws *websocket.Conn) {
// receives and decodes messages from users
go func() {
ws.SetReadLimit(MAX_MESSAGE_SIZE)
ws.SetReadDeadline(time.Now().Add(PONG_WAIT))
ws.SetPongHandler(func(string) error {
ws.SetReadDeadline(time.Now().Add(PONG_WAIT))
return nil
})
for {
op, r, err := ws.NextReader()
if err != nil {
user.Kick(err.Error())
return
}
switch op {
case websocket.BinaryMessage:
data, err := ioutil.ReadAll(r)
if err != nil {
user.Kick(err.Error())
return
}
var event []interface{}
err = codec.NewDecoderBytes(data, &msgpackHandle).Decode(&event)
if err != nil {
user.Kick(err.Error())
return
}
location.Message <- &UserAndEvent{user, &event}
default:
user.Kick(fmt.Sprintf("bad message type: %v", op))
return
}
}
}()
}
func addSlowWSSink(receivedChan chan []byte, errChan chan error, timeout time.Duration, url string) {
var ws *websocket.Conn
tryToConnect := func() error {
var err error
ws, _, err = websocket.DefaultDialer.Dial(url, http.Header{})
return err
}
Eventually(tryToConnect, 5).ShouldNot(HaveOccurred())
go func() {
time.Sleep(timeout)
_, reader, err := ws.NextReader()
if err != nil {
errChan <- err
return
}
received, err := ioutil.ReadAll(reader)
if err != nil {
errChan <- err
return
}
receivedChan <- received
}()
}
func startWebsocketConnection(conn *websocket.Conn, d *Dispatcher) {
c := NewConnection()
d.AddConnection(c)
defer c.Close()
errChan := make(chan error, 1)
defer close(errChan)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case dispatcherPacket := <-c.InChan:
jsonPacket, err := rotonde.ToJSON(dispatcherPacket)
if err != nil {
log.Warning(err)
}
if err := conn.WriteMessage(websocket.TextMessage, jsonPacket); err != nil {
log.Warning(err)
return
}
case <-errChan:
log.Warning("Got error from errChan")
return
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
for {
messageType, reader, err := conn.NextReader()
if err != nil {
log.Warning(err)
errChan <- err
return
}
if messageType == websocket.TextMessage {
dispatcherPacket, err := rotonde.FromJSON(reader)
if err != nil {
log.Warning(err)
}
c.OutChan <- dispatcherPacket
}
}
}()
log.Info("Treating messages")
wg.Wait()
select {
case <-errChan:
log.Warning("errChan was not empty")
default:
log.Warning("errChan was empty")
}
log.Info("Websocket connection end")
}
// WebsocketMirror allows mirroring a reader to a websocket and taking the
// result and writing it to a writer. This function allows for multiple
// mirrorings and correctly negotiates stream endings. However, it means any
// websocket.Conns passed to it are live when it returns, and must be closed
// explicitly.
func WebsocketMirror(conn *websocket.Conn, w io.WriteCloser, r io.ReadCloser) (chan bool, chan bool) {
readDone := make(chan bool, 1)
writeDone := make(chan bool, 1)
go func(conn *websocket.Conn, w io.WriteCloser) {
for {
mt, r, err := conn.NextReader()
if err != nil {
Debugf("Got error getting next reader %s, %s", err, w)
break
}
if mt == websocket.CloseMessage {
Debugf("Got close message for reader")
break
}
if mt == websocket.TextMessage {
Debugf("Got message barrier, resetting stream")
break
}
buf, err := ioutil.ReadAll(r)
if err != nil {
Debugf("Got error writing to writer %s", err)
break
}
i, err := w.Write(buf)
if i != len(buf) {
Debugf("Didn't write all of buf")
break
}
if err != nil {
Debugf("Error writing buf %s", err)
break
}
}
writeDone <- true
w.Close()
}(conn, w)
go func(conn *websocket.Conn, r io.ReadCloser) {
in := ReaderToChannel(r)
for {
buf, ok := <-in
if !ok {
readDone <- true
r.Close()
Debugf("sending write barrier")
conn.WriteMessage(websocket.TextMessage, []byte{})
return
}
w, err := conn.NextWriter(websocket.BinaryMessage)
if err != nil {
Debugf("Got error getting next writer %s", err)
break
}
_, err = w.Write(buf)
w.Close()
if err != nil {
Debugf("Got err writing %s", err)
break
}
}
closeMsg := websocket.FormatCloseMessage(websocket.CloseNormalClosure, "")
conn.WriteMessage(websocket.CloseMessage, closeMsg)
readDone <- true
r.Close()
}(conn, r)
return readDone, writeDone
}
// WebsocketMirror allows mirroring a reader to a websocket and taking the
// result and writing it to a writer.
func WebsocketMirror(conn *websocket.Conn, w io.WriteCloser, r io.Reader) chan bool {
done := make(chan bool, 2)
go func(conn *websocket.Conn, w io.WriteCloser) {
for {
mt, r, err := conn.NextReader()
if mt == websocket.CloseMessage {
Debugf("got close message for reader")
break
}
if err != nil {
Debugf("got error getting next reader %s, %s", err, w)
break
}
buf, err := ioutil.ReadAll(r)
if err != nil {
Debugf("got error writing to writer %s", err)
break
}
i, err := w.Write(buf)
if i != len(buf) {
Debugf("didn't write all of buf")
break
}
if err != nil {
Debugf("error writing buf %s", err)
break
}
}
done <- true
w.Close()
}(conn, w)
go func(conn *websocket.Conn, r io.Reader) {
in := ReaderToChannel(r)
for {
buf, ok := <-in
if !ok {
done <- true
conn.WriteMessage(websocket.CloseMessage, []byte{})
conn.Close()
return
}
w, err := conn.NextWriter(websocket.BinaryMessage)
if err != nil {
Debugf("got error getting next writer %s", err)
break
}
_, err = w.Write(buf)
w.Close()
if err != nil {
Debugf("got err writing %s", err)
break
}
}
closeMsg := websocket.FormatCloseMessage(websocket.CloseNormalClosure, "")
conn.WriteMessage(websocket.CloseMessage, closeMsg)
done <- true
}(conn, r)
return done
}
// Stream will init a new pubsub.KafkaPublisher and pubsub.KafkaSubscriber
// then upgrade the current request to a websocket connection. Any messages
// consumed from Kafka will be published to the web socket and vice versa.
func (s *StreamService) Stream(w http.ResponseWriter, r *http.Request) {
cfg := *s.cfg
cfg.Topic = topicName(web.GetInt64Var(r, "stream_id"))
server.LogWithFields(r).WithField("topic", cfg.Topic).Info("new stream req")
sub, err := pubsub.NewKafkaSubscriber(&cfg, zeroOffset, discardOffset)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to create sub")
http.Error(w, "unable to create subscriber: "+err.Error(), http.StatusBadRequest)
return
}
defer func() {
if err := sub.Stop(); err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to stop sub")
}
}()
var pub *pubsub.KafkaPublisher
pub, err = pubsub.NewKafkaPublisher(&cfg)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to create pub")
http.Error(w, "unable to create publisher: "+err.Error(), http.StatusBadRequest)
return
}
defer func() {
if err := pub.Stop(); err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to stop pub")
}
}()
var ws *websocket.Conn
ws, err = upgrader.Upgrade(w, r, nil)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to create websocket")
http.Error(w, "unable to create websocket: "+err.Error(), http.StatusBadRequest)
return
}
defer func() {
if err := ws.Close(); err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to close ws")
}
}()
// start consumer, emit to ws
noopTicker := time.NewTicker(time.Second * 5)
subscriberDone := make(chan bool, 1)
stopSubscriber := make(chan bool, 1)
go func() {
defer func() { subscriberDone <- true }()
var (
payload []byte
msgs = sub.Start()
)
for {
select {
case msg := <-msgs:
payload = msg.Message()
err = ws.SetWriteDeadline(time.Now().Add(time.Second * 30))
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to write deadline")
}
err = ws.WriteMessage(websocket.TextMessage, payload)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to write ws message")
}
err = msg.Done()
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to mark gizmo message as done")
}
case <-noopTicker.C:
err = ws.SetWriteDeadline(time.Now().Add(time.Second * 30))
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to write deadline")
}
if err := ws.WriteMessage(websocket.PingMessage, []byte("ping")); err != nil {
server.LogWithFields(r).WithField("error", err).Error("error writing ws message")
return
}
case <-stopSubscriber:
return
}
}
}()
// start producer, emit to kafka
producerDone := make(chan bool, 1)
go func() {
defer func() {
producerDone <- true
stopSubscriber <- true
server.LogWithFields(r).WithField("topic", cfg.Topic).Info("closing stream req")
}()
var (
messageType int
payload []byte
err error
read io.Reader
)
for {
messageType, read, err = ws.NextReader()
if err != nil {
if err != io.EOF {
server.LogWithFields(r).WithField("error", err).Error("error reading message")
}
return
}
switch messageType {
case websocket.TextMessage:
payload, err = ioutil.ReadAll(read)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to read payload")
return
}
err = pub.PublishRaw(cfg.Topic, payload)
if err != nil {
server.LogWithFields(r).WithField("error", err).Error("unable to publish payload")
return
}
case websocket.PingMessage, websocket.PongMessage, websocket.BinaryMessage:
server.LogWithFields(r).Info("discarding message type: ", messageType)
case websocket.CloseMessage:
server.LogWithFields(r).Info("closing websocket")
return
}
}
}()
<-subscriberDone
<-producerDone
noopTicker.Stop()
server.LogWithFields(r).WithField("topic", cfg.Topic).Info("leaving stream req")
}
func startConnection(conn *websocket.Conn, d *Dispatcher) {
c := NewConnection()
d.AddConnection(c)
defer c.Close()
errChan := make(chan error)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
var jsonPacket []byte
var err error
var packet rotonde.Packet
for {
select {
case dispatcherPacket := <-c.InChan:
switch data := dispatcherPacket.(type) {
case rotonde.Event:
packet = rotonde.Packet{Type: "event", Payload: data}
case rotonde.Action:
packet = rotonde.Packet{Type: "action", Payload: data}
case rotonde.Definition:
packet = rotonde.Packet{Type: "def", Payload: data}
case rotonde.UnDefinition:
packet = rotonde.Packet{Type: "undef", Payload: data}
default:
log.Info("Oops unknown packet: ", dispatcherPacket)
}
jsonPacket, err = json.Marshal(packet)
if err != nil {
log.Warning(err)
}
if err := conn.WriteMessage(websocket.TextMessage, jsonPacket); err != nil {
log.Warning(err)
return
}
case <-errChan:
return
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
var dispatcherPacket interface{}
for {
messageType, reader, err := conn.NextReader()
if err != nil {
log.Println(err)
errChan <- err
return
}
if messageType == websocket.TextMessage {
packet := rotonde.Packet{}
decoder := json.NewDecoder(reader)
if err := decoder.Decode(&packet); err != nil {
log.Warning(err)
continue
}
switch packet.Type {
case "event":
event := rotonde.Event{}
mapstructure.Decode(packet.Payload, &event)
dispatcherPacket = event
case "action":
action := rotonde.Action{}
mapstructure.Decode(packet.Payload, &action)
dispatcherPacket = action
case "sub":
subscription := rotonde.Subscription{}
mapstructure.Decode(packet.Payload, &subscription)
dispatcherPacket = subscription
case "unsub":
unsubscription := rotonde.Unsubscription{}
mapstructure.Decode(packet.Payload, &unsubscription)
dispatcherPacket = unsubscription
case "def":
definition := rotonde.Definition{}
mapstructure.Decode(packet.Payload, &definition)
dispatcherPacket = definition
case "undef":
unDefinition := rotonde.UnDefinition{}
mapstructure.Decode(packet.Payload, &unDefinition)
dispatcherPacket = unDefinition
}
c.OutChan <- dispatcherPacket
}
}
}()
log.Println("Treating messages")
wg.Wait()
}