LÖVE

Code: Select all

socket = require("socket")

function newset()
    local reverse = {}
    local set = {}
    return setmetatable(set, {__index = {
        insert = function(set, value)
            if not reverse[value] then
                table.insert(set, value)
                reverse[value] = table.getn(set)
            end
        end,
        remove = function(set, value)
            local index = reverse[value]
            if index then
                reverse[value] = nil
                local top = table.remove(set)
                if top ~= value then
                    reverse[top] = index
                    set[index] = top
                end
            end
        end
    }})
end

-- set socket
server = socket.bind("*", 12345)
server:settimeout(0)

-- create new set
set = newset()
-- insert server socket to set

while true do
	local client = server:accept()
	-- accept new connection
	if client ~= nil then
		set:insert(client)
		print("New client connected!! ".. client:getpeername())
		client:send("Hello!\n")
	end
	
	-- recieve from client
	for a = 1, #set do
		local readdata, err = set[a]:receive()
		if err then
			print("Client disconnected: " .. set[a]:getpeername() .. " Reason: " .. err)
			set[a]:close()
			set:remove(set[a])
		else
			if readdata ~= nil then
				local peer = set[a]:getpeername()
				print("[" .. peer .. "]: " .. readdata)
			end
		end
	end
end

Code: Select all

local socket = require "socket"
local timer = 0

function love.load()
	client = socket.connect("127.0.0.1", 12345)
	if client == nil then
		print("Couldn't connect to server...")
	else
		client:settimeout(0)
		print("Connected to server! " .. client:getpeername())
	end
end

function love.update(dt)
	if client ~= nil then
		local data_recv, err = client:receive()
		if data_recv ~= nil then
			print("Server sent a data: " .. data_recv)
		else
			if err ~= "timeout" then
				print("Oops. Something happened: " .. err)
				client:close()
				client = nil
			end
		end
		
		-- once in a 3 secs, send "Hi!\n" to server
		timer = timer + dt
		if timer >= 3 then
			timer = timer - 3
			client:send("Hi!\n")
			print("Send data to server: Hi!")
		end
	end
end

Code: Select all

			local result = client:send("Hi!\n")
			if result ~= nil then
				print("Send data to server: Hi! ")
			else
				print("Oops. Something happened: Can't send data to server.")
				client:close()
				client = nil
			end