LÖVE

Code: Select all

local function split(string, delimiter)
	local strings = {}
	
	for string in string:gmatch("[^" .. delimiter .. "]+") do
		strings[#strings + 1] = string
	end
	
	return strings
end

local ip, port
local thread
local channel
local time, cancel
local host

function love.load()
	require "enet"
	
	port = select(2, unpack(split(enet.host_create():get_socket_address(), ":")))
	thread = love.thread.newThread("thread.lua")
	channel = {
		ip = love.thread.getChannel("ip_ip"),
		request = love.thread.getChannel("ip_request")
	}
	time = 0
	
	thread:start(true)
end

function love.update(dt)
	if (not ip and not cancel) then
		if (time < 5) then
			time = time + dt
			ip = channel.ip:pop()
			
			if (ip) then
				host = enet.host_create(ip .. ":" .. port)
			end
		else
			cancel = true
			
			channel.request:push(true)
		end
	end
end

function love.draw()
	love.graphics.print("IP address: " .. (ip or "unknown"), 10, 10)
	love.graphics.print("Internal port: " .. (port or "unknown"), 10, 24)
	
	if (host) then
		love.graphics.print("Server state: available", 10, 38)
	else
		love.graphics.print("Server state: unavailable", 10, 38)
	end
end

Code: Select all

local http = require "socket.http"
local channel = {
	ip = love.thread.getChannel("ip_ip"),
	request = love.thread.getChannel("ip_request")
}
local ip, cancel

repeat
	ip = http.request("http://myip.dnsomatic.com/")
	cancel = channel.request:pop()
until (ip or cancel)

if (ip) then
	channel.ip:supply(ip)
end