poppy-server/main.lua

print("Startup!")

local constants = require("constants")
local rpc = require("rpc")
local socket = require("socket")

local v1_message = {}
require("clientid")(v1_message)
require("world")(v1_message)

local server = assert(socket.udp())
local ip, port = nil, nil

server:settimeout(nil)
assert(server:setsockname("*", 42069))
if not server or not socket then error("failed to listen on socket") end

while true do
	::nw_next::
	print("iteration start")
	local data
	data, ip, port = server:receivefrom()
	print("received data from " .. ip)
	if not data then
		local err_code = ip
		print(err_code)
		goto nw_next
	end

	for _, req in ipairs(rpc.parse_multiple(data)) do
		local response = rpc.eval(v1_message, req)

		if response then
			local payload = "poppyV001" .. constants.RS .. response
			print("sending response to " .. ip .. ":" .. port .. " " .. payload)
			server:sendto(payload, ip, port)
		else
			print(req .. " had no return value!")
		end
	end
	print("iteration over")
end
::nw_break::