/*
sendPublicationWithTimeout
*/
func (self *Hub) sendPublicationWithTimeout(conn interfaces.Connection, i interface{}, timeout time.Duration) error {
select {
case conn.SendChannel() <- i:
return nil
case <-time.After(timeout):
return errors.New("Send to connection timeout")
}
}
/*
ConnectionOrigin
*/
func (self *Hub) ConnectionOrigin(conn interfaces.Connection) (string, error) {
b, err := self.isRegisteredConnection(conn)
if err != nil {
return "error", err
}
if !b {
return "", errors.New("connection is not registered")
}
origin := conn.Origin()
if origin == "" {
origin = "unknown"
}
return origin, nil
}
/*
ConnectionReference
*/
func (self *Hub) ConnectionReference(conn interfaces.Connection) (string, error) {
b, err := self.isRegisteredConnection(conn)
if err != nil {
return "error", err
}
if !b {
return "", errors.New("connection is not registered")
}
ref := conn.Reference()
if ref == "" {
ref = "unknown"
}
return ref, nil
}
/*
removeConnection does the house keeping for removing a connection to the hub
*/
func (self *Hub) removeConnection(conn interfaces.Connection) error {
b, err := self.isRegisteredConnection(conn)
if err != nil {
return errors.New("cannot remove connection: " + err.Error())
}
if !b {
return errors.New("connection is not registered")
}
conn.SetHub(nil)
self.removeConnectionSubscriptions(conn)
delete(self.connections, conn)
sendChan := conn.SendChannel()
close(sendChan)
return nil
}