neo-go/_pkg.dev/wire/payload/net_addr.go
Roman Khimov ddd1d92ff1 pkg: hide it by moving to _pkg.dev
The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.
2019-08-20 18:39:50 +03:00

59 lines
1.4 KiB
Go

package payload
import (
"net"
"strconv"
"time"
"github.com/CityOfZion/neo-go/pkg/wire/protocol"
"github.com/CityOfZion/neo-go/pkg/wire/util"
)
//NetAddr is an abstraction for the IP layer
type NetAddr struct {
Timestamp uint32
IP [16]byte
Port uint16
Service protocol.ServiceFlag
}
//NewNetAddr returns a NetAddr object
func NewNetAddr(time uint32, ip [16]byte, port uint16, service protocol.ServiceFlag) (*NetAddr, error) {
return &NetAddr{time, ip, port, service}, nil
}
//NewAddrFromVersionMessage returns a NetAddr object from a version message
func NewAddrFromVersionMessage(version VersionMessage) (*NetAddr, error) {
var ip [16]byte
copy(ip[:], []byte(version.IP)[:16])
return NewNetAddr(version.Timestamp, ip, version.Port, version.Services)
}
// EncodePayload Implements messager interface
func (n *NetAddr) EncodePayload(bw *util.BinWriter) {
bw.Write(uint32(time.Now().Unix()))
bw.Write(protocol.NodePeerService)
bw.WriteBigEnd(n.IP)
bw.WriteBigEnd(n.Port)
}
// DecodePayload Implements Messager interface
func (n *NetAddr) DecodePayload(br *util.BinReader) {
br.Read(&n.Timestamp)
br.Read(&n.Service)
br.ReadBigEnd(&n.IP)
br.ReadBigEnd(&n.Port)
}
//IPPort returns the IPPort from the NetAddr
func (n *NetAddr) IPPort() string {
ip := net.IP(n.IP[:]).String()
port := strconv.Itoa(int(n.Port))
ipport := ip + ":" + port
return ipport
}