torrent/dht/krpcError.go

46 lines
884 B
Go

package dht
import (
"fmt"
"github.com/anacrolix/torrent/bencode"
)
// Represented as a string or list in bencode.
type KRPCError struct {
Code int
Msg string
}
var (
_ bencode.Unmarshaler = &KRPCError{}
_ bencode.Marshaler = &KRPCError{}
_ error = KRPCError{}
)
func (me *KRPCError) UnmarshalBencode(_b []byte) (err error) {
var _v interface{}
err = bencode.Unmarshal(_b, &_v)
if err != nil {
return
}
switch v := _v.(type) {
case []interface{}:
me.Code = int(v[0].(int64))
me.Msg = v[1].(string)
case string:
me.Msg = v
default:
err = fmt.Errorf(`KRPC error bencode value has unexpected type: %T`, _v)
}
return
}
func (me KRPCError) MarshalBencode() (ret []byte, err error) {
return bencode.Marshal([]interface{}{me.Code, me.Msg})
}
func (me KRPCError) Error() string {
return fmt.Sprintf("KRPC error %d: %s", me.Code, me.Msg)
}