logos-messaging/go-multiaddr
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Cast and Loopback

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This commit is contained in:
Juan Batiz-Benet 2014-11-05 00:04:30 -08:00
parent e94d248a76
commit 5d64ba1250
2 changed files with 32 additions and 0 deletions
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14
convert.go
View File

@ -8,6 +8,14 @@ import (
ma "github.com/jbenet/go-multiaddr"
)
var (
// IP4Loopback is the ip4 loopback multiaddr
IP4Loopback = ma.StringCast("/ip4/127.0.0.1")
// IP6Loopback is the ip6 loopback multiaddr
IP6Loopback = ma.StringCast("/ip6/::1")
)
var errIncorrectNetAddr = fmt.Errorf("incorrect network addr conversion")
// FromNetAddr converts a net.Addr type to a Multiaddr.
@ -150,3 +158,9 @@ func IsThinWaist(m ma.Multiaddr) bool {
return false
}
}
// IsIPLoopback returns whether a Multiaddr is a "Loopback" IP address
// This means either /ip4/127.0.0.1 or /ip6/::1
func IsIPLoopback(m ma.Multiaddr) bool {
return m.Equal(IP4Loopback) || m.Equal(IP6Loopback)
}

18
net_test.go
View File

@ -198,3 +198,21 @@ func TestListenAndDial(t *testing.T) {
cA.Close()
wg.Wait()
}
func TestLoopback(t *testing.T) {
if IP4Loopback.String() != "/ip4/127.0.0.1" {
t.Error("IP4Loopback incorrect:", IP4Loopback)
}
if IP6Loopback.String() != "/ip6/::1" {
t.Error("IP6Loopback incorrect:", IP6Loopback)
}
if !IsIPLoopback(IP4Loopback) {
t.Error("IsIPLoopback failed (IP4)")
}
if !IsIPLoopback(IP6Loopback) {
t.Error("IsIPLoopback failed (IP6)")
}
}