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39 lines
1006 B
Go
39 lines
1006 B
Go
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build darwin || ios
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package netstack
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import (
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"net/netip"
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"time"
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"github.com/prometheus-community/pro-bing"
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)
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// sendOutboundUserPing sends a non-privileged ICMP (or ICMPv6) ping to dstIP with the given timeout.
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func (ns *Impl) sendOutboundUserPing(dstIP netip.Addr, timeout time.Duration) error {
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p, err := probing.NewPinger(dstIP.String())
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if err != nil {
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ns.logf("sendICMPPingToIP failed to create pinger: %v", err)
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return err
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}
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p.Timeout = timeout
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p.Count = 1
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p.SetPrivileged(false)
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p.OnSend = func(pkt *probing.Packet) {
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ns.logf("sendICMPPingToIP: forwarding ping to %s:", p.Addr())
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}
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p.OnRecv = func(pkt *probing.Packet) {
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ns.logf("sendICMPPingToIP: %d bytes pong from %s: icmp_seq=%d time=%v", pkt.Nbytes, pkt.IPAddr, pkt.Seq, pkt.Rtt)
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}
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p.OnFinish = func(stats *probing.Statistics) {
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ns.logf("sendICMPPingToIP: done, %d replies received", stats.PacketsRecv)
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}
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return p.Run()
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}
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