48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package runtime
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import (
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"github.com/bdlm/log"
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"github.com/sparrc/go-ping"
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)
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func (nodes *Nodes) ping(node *Node) bool {
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logNode := log.WithField("node_id", "unknown")
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if node.Nodeinfo != nil {
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logNode = logNode.WithField("node_id", node.Nodeinfo.NodeID)
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}
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var addr string
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if node.Address != nil {
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addr = node.Address.IP.String()
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if node.Address.IP.IsLinkLocalUnicast() {
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addr += "%" + node.Address.Zone
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}
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} else {
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logNode.Debug("error no address found")
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if node.Nodeinfo != nil {
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for _, addrMaybe := range node.Nodeinfo.Network.Addresses {
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if len(addrMaybe) >= 5 && addrMaybe[:5] != "fe80:" {
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addr = addrMaybe
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}
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}
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}
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}
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logAddr := logNode.WithField("addr", addr)
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pinger, err := ping.NewPinger(addr)
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if err != nil {
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logAddr.Debugf("error during ping: %s", err)
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return false
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}
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pinger.SetPrivileged(true)
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pinger.Count = nodes.config.PingCount
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pinger.Timeout = nodes.config.PingTimeout.Duration
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pinger.Interval = pinger.Timeout / pinger.Count
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pinger.Run() // blocks until finished
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stats := pinger.Statistics()
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logAddr.WithFields(map[string]interface{}{
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"pkg_lost": stats.PacketLoss,
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}).Debug("pong")
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return stats.PacketLoss < 100
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}
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