if he tunnel down

Signed-off-by: Jeff Carr <jcarr@wit.com>

he-ipv6-tunnel.sh

@@ -28,10 +28,15 @@
 # ifconfig sit1 inet6 add 2001:470:1f10:2a::2/64
 # route -A inet6 add ::/0 dev sit1
 
+if [ "$1" = "down" ]; then
+	ip tunnel del he-ipv6
+	rmmod sit
+	exit
+fi
+
 modprobe ipv6
 ip tunnel add he-ipv6 mode sit remote 184.105.253.14 local 74.87.91.117 ttl 255
 ip link set he-ipv6 up
 ip addr add 2001:470:1f10:2a::2/64 dev he-ipv6
 ip route add ::/0 dev he-ipv6
 ip -f inet6 addr
-

net.go

@@ -27,6 +27,7 @@ func watchNetworkInterfaces() {
 					log.Println("something on i =", i)
 				}
 			}
+			log.Println("forever loop")
 		}
 	}()
 }
@@ -51,6 +52,7 @@ func inotifyNetworkInterfaceChanges() error {
 					// Do something on network interface creation
 			}
 		case err := <-watcher.Errors:
+			log.Println("inotifyNetworkInterfaceChanges() event err =", err)
 			return err
 		}
 	}
@@ -60,6 +62,16 @@ func IsIPv6(address string) bool {
 	return strings.Count(address, ":") >= 2
 }
 
+func IsReal(ip *net.IP) bool {
+	if (ip.IsPrivate() || ip.IsLoopback() || ip.IsLinkLocalUnicast()) {
+		log.Println("\t\tIP is Real = false")
+		return false
+	} else {
+		log.Println("\t\tIP is Real = true")
+		return true
+	}
+}
+
 func scanInterfaces() {
 	ifaces, _ := net.Interfaces()
 	spew.Dump(ifaces)
@@ -84,14 +96,14 @@ func scanInterfaces() {
 				} else {
 					log.Println("\t\tIP is IPv4")
 				}
+				if (IsReal(&ip)) {
+					log.Println("\t\tIP is Real = true")
+				} else {
+					log.Println("\t\tIP is Real = false")
+				}
 				log.Println("\t\tIP is IsPrivate() =", ip.IsPrivate())
 				log.Println("\t\tIP is IsLoopback() =", ip.IsLoopback())
 				log.Println("\t\tIP is IsLinkLocalUnicast() =", ip.IsLinkLocalUnicast())
-				if (ip.IsPrivate() || ip.IsLoopback() || ip.IsLinkLocalUnicast()) {
-					log.Println("\t\tIP is Real = false")
-				} else {
-					log.Println("\t\tIP is Real = true")
-				}
 				// log.Println("\t\tIP is () =", ip.())
 			default:
 				log.Println("\t\taddr.(type) = NO IDEA WHAT TO DO HERE v =", v)