Esempio n. 1
0
func dial(netw, addr, svc string) (nchan.Conn, error) {
	switch netw {
	case "tcp", "tcp4", "tcp6":
		if auth.TLSclient == nil {
			taddr, err := net.ResolveTCPAddr(netw, addr+":"+svc)
			if err != nil {
				return nchan.Conn{}, err
			}
			c, err := net.DialTCP(netw, nil, taddr)
			if err != nil {
				return nchan.Conn{}, err
			}
			nc := nchan.NewConn(c, 5, nil, nil)
			return nc, nil
		}
		taddr, err := net.ResolveTCPAddr(netw, addr+":"+svc)
		if err != nil {
			return nchan.Conn{}, err
		}
		c, err := net.DialTCP(netw, nil, taddr)
		if err != nil {
			return nchan.Conn{}, err
		}
		// Beware this is not enough if you have NATs
		c.SetKeepAlivePeriod(2 * time.Second)
		c.SetKeepAlive(true)
		tc := tls.Client(c, auth.TLSclient)
		nc := nchan.NewConn(tc, 5, nil, nil)
		return nc, nil
	case "pipe":
		lk.Lock()
		defer lk.Unlock()
		dialer, ok := pipes[svc]
		if !ok {
			return nchan.Conn{}, errors.New("no such pipe")
		}
		return dialer()
	case "fifo":
		return fifo.Dial(svc)
	default:
		return nchan.Conn{}, errors.New("unknown network")
	}
}
Esempio n. 2
0
// Handle one client, called by net.Srv.
func (h ch) HandleCli(c net.Conn, endc chan bool) {
	inc := make(chan bool)
	outc := make(chan bool)
	nc := nchan.NewConn(c, 5, inc, outc)
	nc.Tag = c.RemoteAddr().String()
	h.ncc <- &nc
	doselect {
	case <-inc:
		inc = nil
		if inc==nil && outc==nil {
			return
		}
	case <-outc:
		outc = nil
		if inc==nil && outc==nil {
			return
		}
	case <-endc:
		close(nc.In, "server closing")
		close(nc.Out, "server closing")
		c.Close()
	}
}