diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/ip.lua | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/util/ip.lua b/util/ip.lua index 0e01c067..5cf612f8 100644 --- a/util/ip.lua +++ b/util/ip.lua @@ -51,12 +51,7 @@ local function new_ip(ipStr, proto) return setmetatable({ addr = ipStr, packed = packed, proto = proto, zone = zone }, ip_mt); end -local function toBits(ip) - local result = ""; - local fields = {}; - if ip.proto == "IPv4" then - ip = ip.toV4mapped; - end +function ip_methods.bits(ip) ip = (ip.addr):upper(); ip:gsub("([^:]*):?", function (c) fields[#fields + 1] = c end); if not ip:match(":$") then fields[#fields] = nil; end @@ -77,8 +72,15 @@ local function toBits(ip) return result; end +function ip_methods.bits_full(ip) + if ip.proto == "IPv4" then + ip = ip.toV4mapped; + end + return ip.bits; +end + local function commonPrefixLength(ipA, ipB) - ipA, ipB = toBits(ipA), toBits(ipB); + ipA, ipB = ipA.bits_full, ipB.bits_full; for i = 1, 128 do if ipA:sub(i,i) ~= ipB:sub(i,i) then return i-1; |