mirror of
https://github.com/ShadowKatStudios/OC-Minitel.git
synced 2024-11-26 03:48:06 +11:00
104 lines
2.5 KiB
Lua
104 lines
2.5 KiB
Lua
local event = require "event"
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local serial = require "serialization"
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local computer = require "computer"
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local havenet, net = pcall(require,"minitel")
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local hostname = os.getenv("HOSTNAME") or computer.address():sub(1,8)
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local cfg = {}
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cfg.port = 514
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cfg.relay = false
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cfg.relayhost = ""
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cfg.receive = false
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cfg.write = true
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cfg.destination = "/dev/null"
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cfg.minlevel = 6
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cfg.beeplevel = -1
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cfg.displevel = 2
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cfg.filter = {} -- todo
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local listeners = {}
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local timers = {}
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local function filter(msg,level,service)
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if level <= cfg.minlevel then
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return cfg.write, (cfg.relay and havenet)
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end
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return false, false
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end
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function reload()
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local f = io.open("/etc/syslogd.cfg","rb")
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if f then
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local newcfg = serial.unserialize(f:read("*a"))
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f:close()
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for k,v in pairs(newcfg) do
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cfg[k] = v
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end
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else
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local f = io.open("/etc/syslogd.cfg","wb")
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if f then
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f:write(serial.serialize(cfg))
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f:close()
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end
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end
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hostname = os.getenv("HOSTNAME") or computer.address():sub(1,8)
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end
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local function wentry(_,msg,level,service,host)
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host = host or hostname
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local ut = computer.uptime()
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local msg, service = tostring(msg), tostring(service)
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local entry = string.format("%s\t%i\t%s\n",service,level,msg)
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local dwrite, drelay = filter(msg,level,service)
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if dwrite then
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local f = io.open(cfg.destination, "ab")
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if f then
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f:write(string.format("%.2f\t%s\t",ut,host)..entry)
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f:close()
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end
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end
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if drelay then
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net.usend(cfg.relayhost, cfg.port, entry)
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end
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if level <= cfg.beeplevel then
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computer.beep()
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end
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if level <= cfg.displevel then
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io.write(string.format("%.2f\t%s\t",ut,host)..entry)
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end
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end
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local function remote_listener(_,from,port,data)
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if port ~= cfg.port then return end
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local service, level, msg = data:match("(.-)\t(%d)\t(.+)")
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if not service or not level or not msg then return end
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msg, level, service = tostring(msg),tonumber(level),tostring(service)
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wentry(nil,msg,level,service,from)
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end
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local function local_listener(_,msg,level,service)
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if not service or not level or not msg then return end
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msg, level, service = tostring(msg),tonumber(level),tostring(service)
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wentry(nil,msg,level,service,hostname)
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end
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function start()
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reload()
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if #listeners > 0 then return end
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event.listen("syslog",local_listener)
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listeners[#listeners+1] = {"syslog",local_listener}
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if havenet and cfg.receive then
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event.listen("net_msg",remote_listener)
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listeners[#listeners+1] = {"net_msg",remote_listener}
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end
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end
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function stop()
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for k,v in pairs(listeners) do
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event.ignore(v[1],v[2])
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end
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for k,v in pairs(timers) do
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event.cancel(v)
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end
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end
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