main.lua

#!/usr/bin/env luajit
require('libs.sockman')
tasker = require('libs.tasker')
telnet = require('libs.telnet')
ocounter = require('libs.ocounter')
menu = require('states.menu')

local grevparse = io.popen('git rev-parse --short HEAD', 'r')
if grevparse then
	GIT_COMMIT = grevparse:read('*l')
	grevparse:close()
end

local function init(me)
	me:sendCommand(
		'IAC', 'WILL', 'ECHO',
		'IAC', 'WILL', 'SUPP_GO_AHEAD'
	)
	me:send('Waiting for telnet to respond...')

	local ww, wh = me:getDimensions()

	while wh < 26 or ww < 83 do
		me:fullClear()
		me:send('Your terminal window is too small, resize it please.\r\n')
		me:send('This check is performed only once,\r\n')
		me:send('So please DON\'T resize the terminal window after this screen!\r\n')
		me:send('It may lead to unexpected drawing issues\r\n')
		me:send(('E: (83, 26)\r\nG: (%d, %d)'):format(ww, wh))

		ww, wh = me:waitForDimsChange()
		if me:isBroken() then
			return false
		end

		coroutine.yield()
	end

	me:enableColors(me:supportColors())
	return menu:run(me)
end

tasker:newTask(function()
	menu:init()
	math.randomseed(os.time())
	local run = true
	local server, ip, port = initServer('*', tonumber(arg[1]) or 2425)
	print(('Telnet listener started on: %s:%d'):format(ip, port))

	while run do
		local cl
		repeat
			cl, err = acceptClient(server)

			if cl then
				local tc = telnet.init(cl, true)
				tc:setHandler(init)
				ocounter:install(tc)
			elseif err ~= 'timeout' then
				run = false
			end
		until cl == nil

		coroutine.yield()
	end

	print('Server socket suddenly died')
	os.exit(1)
end)

tasker:runLoop()