Example #1
0
func (srv *Server) loop(l *blend.Listener) {
	for {
		session := l.AcceptSession()
		go func() {
			for {
				outConn := session.Accept()
				// Read the first empty chunk from the connection
				if _, err := outConn.Read(); err != nil {
					srv.frame.Printf("first read (%s)", err)
					outConn.Close()
					continue
				}
				// Dial user server
				inConn, err := net.Dial("tcp", srv.inAddr)
				if err != nil {
					outConn.Close()
					srv.frame.Printf("server dial tcp address %s (%s)", srv.inAddr, err)
					time.Sleep(time.Second) // Prevents DoS when local TCP server is down temporarily
					continue
				}
				Proxy(inConn, outConn)
			}
		}()
	}
}
Example #2
0
func newListener(workerID n.WorkerID, pid int, listener *blend.Listener) *Listener {
	l := &Listener{
		addr:     NewNetAddr(workerID, pid, listener.Addr()), // Compute what our address looks like on the outside.
		listener: listener,
		ach:      make(chan n.Conn),
	}
	go l.loop()
	return l
}