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mirror of https://github.com/ShadowKatStudios/OC-Minitel.git synced 2024-12-26 02:08:07 +11:00

initial work on #9

This commit is contained in:
Izaya 2018-07-24 22:15:12 +10:00
parent d726ddbfb6
commit 284c67994e
2 changed files with 111 additions and 0 deletions

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local event = require "event"
local serial = require "serialization"
local computer = require "computer"
local havenet, net = pcall(require,"net")
local hostname = os.getenv("HOSTNAME") or computer.address:sub(1,8)
local cfg = {}
cfg.port = 514
cfg.relay = false
cfg.relayhost = ""
cfg.receive = false
cfg.write = true
cfg.destination = "/dev/null"
cfg.minlevel = 6
cfg.filter = {} -- todo
local listeners = {}
local timers = {}
local function filter(msg,level,service)
if level >= cfg.minlevel then
return cfg.write, (cfg.relay and havenet)
end
return false, false
end
function reload()
local f = io.open("/etc/syslogd.cfg","rb")
print(f)
if f then
local newcfg = serial.unserialize(f:read("*a"))
f:close()
for k,v in pairs(newcfg) do
cfg[k] = v
end
else
local f = io.open("/etc/syslogd.cfg","wb")
if f then
f:write(serial.serialize(cfg))
f:close()
end
end
hostname = os.getenv("HOSTNAME") or computer.address:sub(1,8)
end
local function wentry(_,msg,level,service,host)
host = host or hostname
local ut = computer.uptime()
local msg, service = tostring(msg), tostring(service)
local entry = string.format("%s\t%i\t%s\n",service,level,msg)
local dwrite, drelay = filter(msg,level,service)
if dwrite then
local f = io.open(cfg.destination, "ab")
if f then
f:write(string.format("%.2f\t%s\t",ut,host)..entry)
f:close()
end
end
if drelay then
net.rsend(cfg.relayhost, cfg.port, entry)
end
print(msg,level,service,host)
end
local function remote_listener(_,from,port,data)
if port ~= cfg.port then return false end
local ut = computer.uptime()
local service, level, msg = data:match("(.-)\t(%d)\t(.+)")
if not service and not level and not msg then return false end
wentry(nil,msg,level,service,from)
print(msg,level,service)
end
function start()
reload()
if #listeners > 0 then return end
event.listen("syslog",wentry)
listeners[#listeners+1] = {"syslog",local_listener}
if havenet and cfg.receive then
event.listen("net_msg",remote_listener)
listeners[#listeners+1] = {"net_msg",remote_listener}
end
end
function stop()
for k,v in pairs(listeners) do
event.ignore(v[1],v[2])
end
for k,v in pairs(timers) do
event.cancel(v)
end
end

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local process = require "process"
local computer = require "computer"
local syslog = {}
syslog.emergency = 0
syslog.alert = 1
syslog.critical = 2
syslog.error = 3
syslog.warning = 4
syslog.notice = 5
syslog.info = 6
syslog.debug = 7
setmetatable(syslog,{__call = function(_,msg, level, service)
level, service = level or syslog.info, service or process.info().path
computer.pushSignal("syslog",msg, level, service)
end})
return syslog