neoneo-go/pkg/wire/payload/net_addr.go
2019-02-25 22:44:14 +00:00

54 lines
1.3 KiB
Go

package payload
import (
"net"
"strconv"
"time"
"github.com/CityOfZion/neo-go/pkg/wire/protocol"
"github.com/CityOfZion/neo-go/pkg/wire/util"
)
// Once a VersionMessage is received, we can then store it inside of AddrMessage struct
// TODO: store this inside version message and have a bool to indicate whether to encode ip
// VersionMessage does not encodeIP
type Net_addr struct {
Timestamp uint32
IP [16]byte
Port uint16
Service protocol.ServiceFlag
}
func NewNetAddr(time uint32, ip [16]byte, port uint16, service protocol.ServiceFlag) (*Net_addr, error) {
return &Net_addr{time, ip, port, service}, nil
}
func NewAddrFromVersionMessage(version VersionMessage) (*Net_addr, error) {
var ip [16]byte
copy(ip[:], []byte(version.IP)[:16])
return NewNetAddr(version.Timestamp, ip, version.Port, version.Services)
}
func (n *Net_addr) EncodePayload(bw *util.BinWriter) {
bw.Write(uint32(time.Now().Unix()))
bw.Write(protocol.NodePeerService)
bw.WriteBigEnd(n.IP)
bw.WriteBigEnd(n.Port)
}
func (n *Net_addr) DecodePayload(br *util.BinReader) {
br.Read(&n.Timestamp)
br.Read(&n.Service)
br.ReadBigEnd(&n.IP)
br.ReadBigEnd(&n.Port)
}
func (n *Net_addr) IPPort() string {
ip := net.IP(n.IP[:]).String()
port := strconv.Itoa(int(n.Port))
ipport := ip + ":" + port
return ipport
}