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https://github.com/GopeedLab/gopeed.git
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31 lines
633 B
Go
31 lines
633 B
Go
package peer
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import (
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"encoding/binary"
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"math/rand"
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"net"
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"strconv"
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)
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type Peer struct {
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IP uint32
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Port uint16
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}
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func (peer *Peer) Address() string {
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bts := make([]byte, 4)
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binary.BigEndian.PutUint32(bts, peer.IP)
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return net.IP(bts).String() + ":" + strconv.Itoa(int(peer.Port))
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}
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// 生成Peer ID，规则为前三位固定字母(-GP)+SemVer(xyz)+End(-),后面随机生成
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// 参考：https://wiki.theory.org/index.php/BitTorrentSpecification#peer_id
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func GenPeerID() [20]byte {
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peerID := [20]byte{'-', 'G', 'P', '0', '0', '1', '-'}
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_, err := rand.Read(peerID[7:])
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if err != nil {
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panic(err)
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}
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return peerID
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}
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