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ipv4: update example for the use of dual stack listener

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Fixes golang/go#13612.

Change-Id: Ie224c1018fb4ceb013476f586000801ce447956e
Reviewed-on: https://go-review.googlesource.com/17798
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Mikio Hara
2015-12-15 09:11:50 +09:00
parent 943b8c241a
commit ba406c5067
1 changed files with 9 additions and 7 deletions
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16
ipv4/example_test.go
View File

@@ -17,7 +17,7 @@ import (
)
func ExampleConn_markingTCP() {
ln, err := net.Listen("tcp4", "0.0.0.0:1024")
ln, err := net.Listen("tcp", "0.0.0.0:1024")
if err != nil {
log.Fatal(err)
}
@@ -30,12 +30,14 @@ func ExampleConn_markingTCP() {
}
go func(c net.Conn) {
defer c.Close()
p := ipv4.NewConn(c)
if err := p.SetTOS(0x28); err != nil { // DSCP AF11
log.Fatal(err)
}
if err := p.SetTTL(128); err != nil {
log.Fatal(err)
if c.RemoteAddr().(*net.TCPAddr).IP.To4() != nil {
p := ipv4.NewConn(c)
if err := p.SetTOS(0x28); err != nil { // DSCP AF11
log.Fatal(err)
}
if err := p.SetTTL(128); err != nil {
log.Fatal(err)
}
}
if _, err := c.Write([]byte("HELLO-R-U-THERE-ACK")); err != nil {
log.Fatal(err)