Znachor/OpenWrt-Tools
Znachor/OpenWrt-Tools
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Updated DynDNS

Browse source 
Reload only if records changed
This commit is contained in:
Filip Znachor 2022-04-02 15:32:39 +02:00
parent c851fdb165
commit f1f1da4d5d
1 changed files with 19 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
DynDNS/dyndns.lua
View file

@ -66,6 +66,14 @@ function count(T)
return count
end
function read_file(path)
local file = io.open(path, "rb")
if not file then return nil end
local content = file:read "*a"
file:close()
return content
end
array = {}
@ -117,16 +125,19 @@ for key,value in pairs(array) do
local mac = key
local ip = value["ip"]
local hostname = value["hostname"]
if hostname ~= "?" then
if hostname ~= "?" and hostname ~= "*" then
for key,value in pairs(ip) do
if non_fqdn then config = config .. "\r\n" .. value .. " " .. hostname end
if network_domain then config = config .. "\r\n" .. value .. " " .. hostname .. "." .. network_domain end
line = value
if non_fqdn then line = line .. " " .. hostname end
if network_domain then line = line .. " " .. (hostname .. "." .. network_domain) end
if line ~= value then config = config .. "\r\n" .. line end
end
end
end
file = io.open(output_file, "w")
file:write(config)
file:close()
os.execute(reload_command)
if read_file(output_file) ~= config then
file = io.open(output_file, "w")
file:write(config)
file:close()
os.execute(reload_command)
end