Exemple #1
0
func (s *Session) handleBind(stream conn.Conn, bind *proto.Bind) (err error) {
	stream.Debug("Binding new tunnel: %v", bind)

	respond := func(resp *proto.BindResp) {
		if err = proto.WriteMsg(stream, resp); err != nil {
			err = stream.Error("Failed to send bind response: %v", err)
		}
	}

	if err = s.hooks.OnBind(s, bind); err != nil {
		return
	}

	t, err := newTunnel(bind, s, s.binders, s.tunnelHooks)
	if err != nil {
		respond(&proto.BindResp{Error: err.Error()})
		return
	}
	t.Info("Registered new tunnel on session %s", s.id)

	// add it to the list of tunnels
	s.addTunnel(t)

	// acknowledge success
	respond(&proto.BindResp{Url: t.url})
	return
}
Exemple #2
0
func WriteMsg(c conn.Conn, msg interface{}) (err error) {
	buffer, err := Pack(msg)
	if err != nil {
		return
	}

	c.Debug("Writing message: %s", string(buffer))
	if err = binary.Write(c, binary.LittleEndian, int64(len(buffer))); err != nil {
		return
	}

	if _, err = c.Write(buffer); err != nil {
		return
	}

	return
}
Exemple #3
0
func readMsgShared(c conn.Conn) (buffer []byte, err error) {
	c.Debug("Waiting to read message")
	var sz int64
	err = binary.Read(c, binary.LittleEndian, &sz)
	if err != nil {
		return
	}

	c.Debug("Reading message with length: %d", sz)
	buffer = make([]byte, sz)
	if _, err = io.ReadFull(c, buffer); err != nil {
		return
	}

	c.Debug("Read message %s", buffer)
	return
}