WIP: add ipv6

node.lua

@@ -22,8 +22,10 @@ font = resource.load_font("vera.ttf")
 
 local v = {
     network = "<unkown>",
-    ethip = "<unkown>",
-    wlanip = "<unkown>",
+    ethipv4 = "<unkown>",
+    ethipv6 = "<unkown>",
+    wlanipv4 = "<unkown>",
+    wlanipv6 = "<unkown>",
     gw = "<unkown>"
 }
 
@@ -80,9 +82,13 @@ function node.render()
 
     -- right side: IP addresses
     y = y_start
-    font:write(x_right, y, "Eth:  " .. v.ethip, fontsize, 1,1,1,1)
+    font:write(x_right, y, "Eth:  " .. v.ethipv4, fontsize, 1,1,1,1)
+    y = y + offset
+    font:write(x_right, y, v.ethipv6, fontsize, 1,1,1,1)
     
     y = y + offset
-    font:write(x_right, y, "WiFi: " .. v.wlanip, fontsize, 1,1,1,1)
+    font:write(x_right, y, "WiFi: " .. v.wlanipv4, fontsize, 1,1,1,1)
+    y = y + offset
+    font:write(x_right, y, v.wlanipv6, fontsize, 1,1,1,1)
 
 end

service

@@ -60,6 +60,24 @@ def get_ipv4(ifname):
         return None
 
 
+def get_ipv6(ifname):
+    try:
+        s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+        info = fcntl.ioctl(s.fileno(), 0x8915,
+                           struct.pack('256s', ifname[:15]))
+        ip = socket.inet_ntoa(info[20:24])
+
+        mask = struct.unpack('>I', fcntl.ioctl(
+            s.fileno(), 0x891b, struct.pack('256s', ifname))[20:24])[0]
+        # Remember: not everything has to be performance optimal :-)
+        mask = bin(mask)[2:].count('1')
+        return "%s/%d" % (ip, mask)
+    except IOError:
+        return "<no ipv6>"
+    except:
+        return None
+
+
 def check_network():
     return os.path.exists('/sd/config/network') and "static" or "dhcp"
 
@@ -80,8 +98,10 @@ def check_internet():
 
 
 tests = [
-    (1,  "ethip",   partial(get_ipv4, "eth0")),
-    (1,  "wlanip",  partial(get_ipv4, "wlan0")),
+    (1,  "ethipv4",   partial(get_ipv4, "eth0")),
+    (1,  "ethipv6",   partial(get_ipv6, "eth0")),
+    (1,  "wlanipv4",  partial(get_ipv4, "wlan0")),
+    (1,  "wlanipv6",  partial(get_ipv6, "wlan0")),
     (1,  "gw",      get_default_gateway),
     (10, "online",  check_internet),
     (5,  "network", check_network),