/
addr.go
66 lines (56 loc) · 1.18 KB
/
addr.go
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package p2pkeswarm
import (
"bytes"
"fmt"
"github.com/brendoncarroll/go-p2p"
"github.com/pkg/errors"
)
type Addr[T p2p.Addr] struct {
ID p2p.PeerID
Addr T
}
func (a Addr[T]) String() string {
data, _ := a.MarshalText()
return string(data)
}
func (a Addr[T]) MarshalText() ([]byte, error) {
data, err := a.Addr.MarshalText()
if err != nil {
return nil, err
}
s := fmt.Sprintf("%s@%s", a.ID.String(), string(data))
return []byte(s), nil
}
func (a Addr[T]) Unwrap() p2p.Addr {
return a.Addr
}
func (a Addr[T]) Map(fn func(T) T) Addr[T] {
return Addr[T]{
ID: a.ID,
Addr: fn(a.Addr),
}
}
func (a Addr[T]) GetPeerID() p2p.PeerID {
return a.ID
}
func ParseAddr[T p2p.Addr](inner p2p.AddrParser[T], data []byte) (Addr[T], error) {
parts := bytes.SplitN(data, []byte("@"), 2)
if len(parts) < 2 {
return Addr[T]{}, errors.Errorf("no @ in addr")
}
id := p2p.PeerID{}
if err := id.UnmarshalText(parts[0]); err != nil {
return Addr[T]{}, err
}
addr, err := inner(parts[1])
if err != nil {
return Addr[T]{}, err
}
return Addr[T]{
ID: id,
Addr: addr,
}, nil
}
func (s *Swarm[T]) ParseAddr(data []byte) (Addr[T], error) {
return ParseAddr(s.inner.ParseAddr, data)
}