/*
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
}
