modules/admin-full: whitesapce cleanup in routes.lua
[project/luci.git] / libs / sys / luasrc / sys.lua
index e92adc1..fee1fee 100644 (file)
@@ -319,14 +319,15 @@ end
 --                     { "source", "dest", "nexthop", "metric", "refcount", "usecount",
 --                       "flags", "device" }
 function net.defaultroute6()
-       local route = nil
+       local route   = nil
        local routes6 = net.routes6()
-       if not routes6 then
-               return nil
-       end
-       for _, r in pairs(routes6) do
-               if r.dest:prefix() == 0 and (not route or route.metric > r.metric) then
-                       route = r
+       if routes6 then
+               for _, r in pairs(routes6) do
+                       if r.dest:prefix() == 0 and
+                          (not route or route.metric > r.metric)
+                       then
+                               route = r
+                       end
                end
        end
        return route
@@ -419,46 +420,44 @@ end
 --                     { "source", "dest", "nexthop", "metric", "refcount", "usecount",
 --                       "flags", "device" }
 function net.routes6()
-       local routes = { }
-
-       if not luci.fs.access("/proc/net/ipv6_route", "r") then
-               return nil
-       end
+       if luci.fs.access("/proc/net/ipv6_route", "r") then
+               local routes = { }
+
+               for line in io.lines("/proc/net/ipv6_route") do
+
+                       local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
+                                 metric, refcnt, usecnt, flags, dev = line:match(
+                               "([a-f0-9]+) ([a-f0-9]+) " ..
+                               "([a-f0-9]+) ([a-f0-9]+) " ..
+                               "([a-f0-9]+) ([a-f0-9]+) " ..
+                               "([a-f0-9]+) ([a-f0-9]+) " ..
+                               "([a-f0-9]+) +([^%s]+)"
+                       )
 
-       for line in io.lines("/proc/net/ipv6_route") do
+                       src_ip = luci.ip.Hex(
+                               src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
+                       )
 
-               local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
-                         metric, refcnt, usecnt, flags, dev = line:match(
-                       "([a-f0-9]+) ([a-f0-9]+) " ..
-                       "([a-f0-9]+) ([a-f0-9]+) " ..
-                       "([a-f0-9]+) ([a-f0-9]+) " ..
-                       "([a-f0-9]+) ([a-f0-9]+) " ..
-                       "([a-f0-9]+) +([^%s]+)"
-               )
+                       dst_ip = luci.ip.Hex(
+                               dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
+                       )
 
-               src_ip = luci.ip.Hex(
-                       src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
-               )
+                       nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
 
-               dst_ip = luci.ip.Hex(
-                       dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
-               )
+                       routes[#routes+1] = {
+                               source   = src_ip,
+                               dest     = dst_ip,
+                               nexthop  = nexthop,
+                               metric   = tonumber(metric, 16),
+                               refcount = tonumber(refcnt, 16),
+                               usecount = tonumber(usecnt, 16),
+                               flags    = tonumber(flags, 16),
+                               device   = dev
+                       }
+               end
 
-               nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
-
-               routes[#routes+1] = {
-                       source   = src_ip,
-                       dest     = dst_ip,
-                       nexthop  = nexthop,
-                       metric   = tonumber(metric, 16),
-                       refcount = tonumber(refcnt, 16),
-                       usecount = tonumber(usecnt, 16),
-                       flags    = tonumber(flags, 16),
-                       device   = dev
-               }
+               return routes
        end
-
-       return routes
 end
 
 --- Tests whether the given host responds to ping probes.