waku-org/go-multiaddr
1
0
Fork 0
mirror of https://github.com/waku-org/go-multiaddr.git synced 2025-02-24 03:58:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

added ipv6 link-local loopback

Browse Source
This commit is contained in:
Juan Batiz-Benet 2014-11-05 01:47:02 -08:00
parent fb33680d08
commit 2bea5f93a2
2 changed files with 27 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
convert.go
View File

@ -1,6 +1,7 @@
package manet package manet
import ( import (
"bytes"
"fmt" "fmt"
"net" "net"
"strings" "strings"
@ -14,6 +15,9 @@ var (
// IP6Loopback is the ip6 loopback multiaddr // IP6Loopback is the ip6 loopback multiaddr
IP6Loopback = ma.StringCast("/ip6/::1") IP6Loopback = ma.StringCast("/ip6/::1")
// IP6LinkLocalLoopback is the ip6 link-local loopback multiaddr
IP6LinkLocalLoopback = ma.StringCast("/ip6/fe80::1")
) )
var errIncorrectNetAddr = fmt.Errorf("incorrect network addr conversion") var errIncorrectNetAddr = fmt.Errorf("incorrect network addr conversion")
@ -169,5 +173,17 @@ func IsThinWaist(m ma.Multiaddr) bool {
// IsIPLoopback returns whether a Multiaddr is a "Loopback" IP address // IsIPLoopback returns whether a Multiaddr is a "Loopback" IP address
// This means either /ip4/127.0.0.1 or /ip6/::1 // This means either /ip4/127.0.0.1 or /ip6/::1
func IsIPLoopback(m ma.Multiaddr) bool { func IsIPLoopback(m ma.Multiaddr) bool {
return m.Equal(IP4Loopback) || m.Equal(IP6Loopback) b := m.Bytes()
// /ip4/127 prefix (_entire_ /8 is loopback...)
if bytes.HasPrefix(b, []byte{4, 127}) {
return true
}
// /ip6/::1
if IP6Loopback.Equal(m) || IP6LinkLocalLoopback.Equal(m) {
return true
}
return false
} }

12
net_test.go
View File

@ -208,11 +208,19 @@ func TestLoopback(t *testing.T) {
t.Error("IP6Loopback incorrect:", IP6Loopback) t.Error("IP6Loopback incorrect:", IP6Loopback)
} }
if IP6LinkLocalLoopback.String() != "/ip6/fe80::1" {
t.Error("IP6LinkLocalLoopback incorrect:", IP6Loopback)
}
if !IsIPLoopback(IP4Loopback) { if !IsIPLoopback(IP4Loopback) {
t.Error("IsIPLoopback failed (IP4)") t.Error("IsIPLoopback failed (IP4Loopback)")
} }
if !IsIPLoopback(IP6Loopback) { if !IsIPLoopback(IP6Loopback) {
t.Error("IsIPLoopback failed (IP6)") t.Error("IsIPLoopback failed (IP6Loopback)")
}
if !IsIPLoopback(IP6LinkLocalLoopback) {
t.Error("IsIPLoopback failed (IP6LinkLocalLoopback)")
} }
} }