FedP2P/util/types.go

54 lines
910 B
Go

package util
import (
"bytes"
"encoding"
"encoding/binary"
"fmt"
"github.com/anacrolix/libtorgo/bencode"
)
type CompactPeers []CompactPeer
func (me *CompactPeers) UnmarshalBencode(bb []byte) (err error) {
var b []byte
err = bencode.Unmarshal(bb, &b)
if err != nil {
return
}
err = me.UnmarshalBinary(b)
return
}
func (me *CompactPeers) UnmarshalBinary(b []byte) (err error) {
for i := 0; i < len(b); i += 6 {
var p CompactPeer
err = p.UnmarshalBinary([]byte(b[i : i+6]))
if err != nil {
return
}
*me = append(*me, p)
}
return
}
type CompactPeer struct {
IP [4]byte
Port uint16
}
var _ encoding.BinaryUnmarshaler = &CompactPeer{}
func (cp *CompactPeer) UnmarshalBinary(b []byte) (err error) {
r := bytes.NewReader(b)
err = binary.Read(r, binary.BigEndian, cp)
if err != nil {
return
}
if r.Len() != 0 {
err = fmt.Errorf("%d bytes unused", r.Len())
}
return
}