mirror of
https://github.com/fumiama/WireGold.git
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26 lines
558 B
Go
26 lines
558 B
Go
package link
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import (
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"time"
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"github.com/sirupsen/logrus"
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"github.com/fumiama/WireGold/gold/head"
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)
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// 保持 NAT
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func (l *Link) keepAlive() {
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if l.keepalive > 0 {
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logrus.Infoln("[link.nat] start to keep alive")
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t := time.NewTicker(time.Second * time.Duration(l.keepalive))
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for range t.C {
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n, err := l.Write(head.NewPacket(head.ProtoHello, 0, l.peerip, 0, nil), false)
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if err == nil {
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logrus.Infoln("[link] send", n, "bytes keep alive packet")
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} else {
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logrus.Errorln("[link] send keep alive packet error:", err)
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}
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}
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}
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}
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