Пример #1
0
func loadTable() error {
	if *tableFileName == "" {
		return nil
	}
	f, err := os.Open(*tableFileName)
	if os.IsNotExist(err) {
		return nil
	}
	if err != nil {
		return fmt.Errorf("error opening table file: %s", err)
	}
	defer f.Close()
	added := 0
	for {
		b := make([]byte, krpc.CompactIPv4NodeInfoLen)
		_, err := io.ReadFull(f, b)
		if err == io.EOF {
			break
		}
		if err != nil {
			return fmt.Errorf("error reading table file: %s", err)
		}
		var ni krpc.NodeInfo
		err = ni.UnmarshalCompactIPv4(b)
		if err != nil {
			return fmt.Errorf("error unmarshaling compact node info: %s", err)
		}
		s.AddNode(ni)
		added++
	}
	log.Printf("loaded %d nodes from table file", added)
	return nil
}
Пример #2
0
func TestMarshalCompactNodeInfo(t *testing.T) {
	cni := krpc.NodeInfo{
		ID: [20]byte{'a', 'b', 'c'},
	}
	addr, err := net.ResolveUDPAddr("udp4", "1.2.3.4:5")
	require.NoError(t, err)
	cni.Addr = addr
	var b [krpc.CompactIPv4NodeInfoLen]byte
	err = cni.PutCompact(b[:])
	require.NoError(t, err)
	var bb [26]byte
	copy(bb[:], []byte("abc"))
	copy(bb[20:], []byte("\x01\x02\x03\x04\x00\x05"))
	assert.EqualValues(t, bb, b)
}