by sparrc

sparrc /go-ping

ICMP Ping library for Go

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ICMP Ping library for Go, inspired by go-fastping

Here is a very simple example that sends & receives 3 packets:

pinger, err := ping.NewPinger("www.google.com")
if err != nil {
pinger.Count = 3
pinger.Run() // blocks until finished
stats := pinger.Statistics() // get send/receive/rtt stats

Here is an example that emulates the unix ping command:

pinger, err := ping.NewPinger("www.google.com")
if err != nil {

// listen for ctrl-C signal c := make(chan os.Signal, 1) signal.Notify(c, os.Interrupt) go func() { for _ = range c { pinger.Stop() } }()

pinger.OnRecv = func(pkt *ping.Packet) { fmt.Printf("%d bytes from %s: icmp_seq=%d time=%v\n", pkt.Nbytes, pkt.IPAddr, pkt.Seq, pkt.Rtt) } pinger.OnFinish = func(stats *ping.Statistics) { fmt.Printf("\n--- %s ping statistics ---\n", stats.Addr) fmt.Printf("%d packets transmitted, %d packets received, %v%% packet loss\n", stats.PacketsSent, stats.PacketsRecv, stats.PacketLoss) fmt.Printf("round-trip min/avg/max/stddev = %v/%v/%v/%v\n", stats.MinRtt, stats.AvgRtt, stats.MaxRtt, stats.StdDevRtt) }

fmt.Printf("PING %s (%s):\n", pinger.Addr(), pinger.IPAddr()) pinger.Run()

It sends ICMP packet(s) and waits for a response. If it receives a response, it calls the "receive" callback. When it's finished, it calls the "finish" callback.

For a full ping example, see cmd/ping/ping.go


go get github.com/sparrc/go-ping

To install the native Go ping executable:

go get github.com/sparrc/go-ping/...

Note on Linux Support:

This library attempts to send an "unprivileged" ping via UDP. On linux, this must be enabled by setting

sudo sysctl -w net.ipv4.ping_group_range="0   2147483647"

If you do not wish to do this, you can set

and use setcap to allow your binary using go-ping to bind to raw sockets (or just run as super-user):
setcap cap_net_raw=+ep /bin/go-ping

See this blog and the Go icmp library for more details.

Note on Windows Support:

You must use

, otherwise you will receive an error:
Error listening for ICMP packets: socket: The requested protocol has not been configured into the system, or no implementation for it exists.

This should without admin privileges. Tested on Windows 10.

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