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https://github.com/Control-D-Inc/ctrld.git
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5ba90748f6
Otherwise, failed or stale ipv6 will be used if it appeared last in the table, instaed of the current one.
27 lines
570 B
Go
27 lines
570 B
Go
package clientinfo
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import (
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"github.com/vishvananda/netlink"
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"github.com/Control-D-Inc/ctrld"
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)
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// scan populates NDP table using information from system mappings.
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func (nd *ndpDiscover) scan() {
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neighs, err := netlink.NeighList(0, netlink.FAMILY_V6)
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if err != nil {
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ctrld.ProxyLogger.Load().Warn().Err(err).Msg("could not get neigh list")
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return
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}
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for _, n := range neighs {
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// Skipping non-reachable neighbors.
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if n.State&netlink.NUD_REACHABLE == 0 {
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continue
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}
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ip := n.IP.String()
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mac := n.HardwareAddr.String()
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nd.saveInfo(ip, mac)
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}
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}
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