root/luci/trunk/modules/freifunk/root/usr/sbin/ff_mapupdate @ 4599

#!/usr/bin/lua

local uci = require "luci.model.uci"
local x = uci.cursor()

local update_url = "http://www.layereight.de/freifunkmap.php?update=%.15f,%.15f&olsrip=%s&note=%s&robot=%s"
local update_all = ( arg[1] and arg[1] == "all" ) and true or false

local file
x:foreach("olsrd", "LoadPlugin", function(s)
    if s.library == "olsrd_nameservice.so.0.3" then
        file = io.open(s.latlon_file)
    end
end)

if file then
    local ln
    local count = 0
    while true do
        ln = file:read("*l")
        if not ln then break end
        if update_all and ln:match("^Node%(") then
            local ip, lat, lon, note = ln:match("Node%('(%S+)',([%d%.]+),([%d%.]+),%d+,'%S+','(%S+)'%)")
            lat = tonumber(lat)
            lon = tonumber(lon)
        
            if ip and lat ~= 0.0 and lon ~= 0.0 and note then
                note = note:gsub("[^%w%-%.]+", "_")
                os.execute("wget -qO/dev/null %q" % string.format(update_url, lat, lon, ip, note, "luci-massupdate"))
                count = count + 1
            end

        elseif ln:match("^Self%(") then
            local ip, lat, lon, note = ln:match("Self%('(%S+)',([%d%.]+),([%d%.]+),%d+,'%S+','(%S+)'%)")
            lat = tonumber(lat)
            lot = tonumber(lon)
            
            if ip and lat ~= 0.0 and lon ~= 0.0 and note then
                note = note:gsub("[^%w%-%.]+", "_")
                os.execute("wget -qO/dev/null %q" % string.format(update_url, lat, lon, ip, note, "luci-selfupdate"))
                count = count + 1
            end
        end
    end

    os.execute("logger -t 'mapupdate' 'Updated %d entries in freifunk map'" % count)

    file:close()
end