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-rw-r--r--vendor/golang.org/x/net/icmp/example_test.go63
1 files changed, 63 insertions, 0 deletions
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)
+ }
+}