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