Server

rednet.open("top")
delayed_message ={}
connected_device ={}
index_message =0
index_connected =0
while true do
	print("Listening ...")
	id,message = rednet.receive(1)
	if message ~=nil then
		mode = string.find(message,"internet")
		if mode ~=nil then
			print(message)
			print("id : "..id)
			first = string.find(message,";")
			firstmode = string.sub(message,tonumber(first)+1) -- get first param
			second = string.find(message,";",tonumber(first)+1)
			if second ~= nil then -- if there second param
				firstmode = string.sub(message, tonumber(first)+1, tonumber(second)-1)
			end
			print(firstmode)
			if firstmode == "connect" then -- connect
				if tonumber(index_connected)>0 then --check connected or not
					connected=false
					for i=0,tonumber(index_connected)-1 do
						first = string.find(connected_device[tonumber(i)],",")
						ids = string.sub(connected_device[tonumber(i)],0,tonumber(first)-1)
						ip_adress = string.sub(connected_device[tonumber(i)],tonumber(first)+1)
						print("id: "..tostring(i+1)..ids)
						if id == tonumber(ids) then
							rednet.send(id,"You Already Connected to internet \n your IP Adress : "..ip_adress)
							connected = true
						end
					end
					if connected == false then
						if tonumber(index_connected) <255 then
							ip_adress = "192.168.1."..tostring(index_connected+1)
						end
						connected_device[tonumber(index_connected)] = id..","..ip_adress
						index_connected = tonumber(index_connected)+1
						rednet.send(id,"Succes Connect to internet \n your IP Adress : "..ip_adress)
					end
				else
						if tonumber(index_connected) <255 then
							ip_adress = "192.168.1."..tostring(index_connected+1)
						end
						connected_device[tonumber(index_connected)] = id..","..ip_adress
						index_connected = tonumber(index_connected)+1
						rednet.send(id,"Succes Connect to internet \n your IP Adress : "..ip_adress)
				end

			elseif firstmode =="getmyip" then -- get my ip
				print("getmyip")
				local gotip=false
				for i=0,tonumber(index_connected)-1 do
						first = string.find(connected_device[tonumber(i)],",")
						ids = string.sub(connected_device[tonumber(i)],0,tonumber(first)-1)
						ip_adress = string.sub(connected_device[tonumber(i)],tonumber(first)+1)
						if id == tonumber(ids) then
							rednet.send(id,"Your IP Adress : "..ip_adress)
							gotip = true
						end
				end
				if gotip == false then
					rednet.send(id,"You are not connected to internet ")
				end

			elseif firstmode == "seedevice" then -- see device
				for i=0,tonumber(index_connected)-1 do
					first = string.find(connected_device[tonumber(i)],",")
					ip_adress = string.sub(connected_device[tonumber(i)],tonumber(first)+1)
					ids = string.sub(connected_device[tonumber(i)],0,tonumber(first)-1)
					print("index : "..i)
					print(first)
					print(ip_adress)
					if i == 0 then
						list_ip = ids.." | "..ip_adress
					else
						list_ip = list_ip.."\n"..ids.." | "..ip_adress
					end
				end
				print(list_ip)
				rednet.send(id,list_ip)

			elseif firstmode == "tictactoe" then --play tictactoe
				print("play tictactoe")
				if tonumber(index_connected)>0 then --check connected or not
					local ip_destination = string.sub(message,second+1)
					print("ip destination : "..ip_destination)
					connected=false
					for i=0,tonumber(index_connected)-1 do
						first = string.find(connected_device[tonumber(i)],",")
						ids = string.sub(connected_device[tonumber(i)],0,tonumber(first)-1)
						print("id : "..ids)
						ip_adress = string.sub(connected_device[tonumber(i)],tonumber(first)+1)
						print("device "..i.." "..connected_device[i])
						if ip_destination == ip_adress and id ~= tonumber(ids) then -- komputer tujuan sudah terkonek
							rednet.send(id,"IP Destination found")
							rednet.send(tonumber(ids),id.." Request to Play Tic Tac Toe")
							connected = true
						end
					end
					if connected == false then
						rednet.send(id,"IP Destination not found")
					end
				end

			elseif firstmode == "tictactoe_start" then -- start tictactoe
				term.clear()
				term.setCursorPos(1,1)
				print("start tictactoe")
				local ip_destination = string.sub(message,second+1)
				for i=0,tonumber(index_connected)-1 do
						first = string.find(connected_device[tonumber(i)],",")
						ids = string.sub(connected_device[tonumber(i)],0,tonumber(first)-1)
						ip_adress = string.sub(connected_device[tonumber(i)],tonumber(first)+1)
						if ip_destination == ip_adress then -- komputer tujuan sudah terkonek
							rednet.send(tonumber(ids),id.." Accept Your Request to Play Tic Tac Toe")
						end
				end

				local player1 = tonumber(id)
				local player2 = tonumber(ids)
				print (player2)
				local endgame=false
				while endgame == false do
					id,message = rednet.receive()
					if string.find(message,"movetictactoe") ~=nil then
						local turn = string.sub(message,15,15)
						local x = string.sub(message,17,17)
						local y = string.sub(message,19,19)
						print("turn x y : "..turn.." "..x.." "..y)
						if id == player1 then -- pengirim adalah player 1
							rednet.send(player2,"movetictactoe;"..turn..";"..x..";"..y) -- kirim data ke player 2
						else
							rednet.send(player1,"movetictactoe;"..turn..";"..x..";"..y) -- kirim data ke player 1
						end
					elseif string.find(message,"finishtictactoe") ~=nil then
						endgame=true
					else
						print("not tictactoe command")
					end



				end
			end

		end
	end
end