From 621e49bb465f500cc46d47e39e828cf76d6381d7 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 24 Jul 2018 14:35:44 +0200 Subject: update vendor --- vendor/golang.org/x/net/icmp/example_test.go | 63 ++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 vendor/golang.org/x/net/icmp/example_test.go (limited to 'vendor/golang.org/x/net/icmp/example_test.go') diff --git a/vendor/golang.org/x/net/icmp/example_test.go b/vendor/golang.org/x/net/icmp/example_test.go new file mode 100644 index 0000000..1df4cec --- /dev/null +++ b/vendor/golang.org/x/net/icmp/example_test.go @@ -0,0 +1,63 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package icmp_test + +import ( + "log" + "net" + "os" + "runtime" + + "golang.org/x/net/icmp" + "golang.org/x/net/ipv6" +) + +func ExamplePacketConn_nonPrivilegedPing() { + switch runtime.GOOS { + case "darwin": + case "linux": + log.Println("you may need to adjust the net.ipv4.ping_group_range kernel state") + default: + log.Println("not supported on", runtime.GOOS) + return + } + + c, err := icmp.ListenPacket("udp6", "fe80::1%en0") + if err != nil { + log.Fatal(err) + } + defer c.Close() + + wm := icmp.Message{ + Type: ipv6.ICMPTypeEchoRequest, Code: 0, + Body: &icmp.Echo{ + ID: os.Getpid() & 0xffff, Seq: 1, + Data: []byte("HELLO-R-U-THERE"), + }, + } + wb, err := wm.Marshal(nil) + if err != nil { + log.Fatal(err) + } + if _, err := c.WriteTo(wb, &net.UDPAddr{IP: net.ParseIP("ff02::1"), Zone: "en0"}); err != nil { + log.Fatal(err) + } + + rb := make([]byte, 1500) + n, peer, err := c.ReadFrom(rb) + if err != nil { + log.Fatal(err) + } + rm, err := icmp.ParseMessage(58, rb[:n]) + if err != nil { + log.Fatal(err) + } + switch rm.Type { + case ipv6.ICMPTypeEchoReply: + log.Printf("got reflection from %v", peer) + default: + log.Printf("got %+v; want echo reply", rm) + } +} -- cgit v1.2.3