sampy_archive/handlers/serverPingHandler.py

import struct
from objects import glob
from helpers import dataHelper

def handle(client, data):
	ping_ip = ".".join((str(x) for x in struct.unpack(b"<BBBB", data[4:8])))

	print("![{}] -> Pinging to {}".format(client.addr, ping_ip))

	if len(data) == 11: # We should add our data ontop
		if data[-1:] in RESPONSE:
			data += RESPONSE[data[-1:]]()

	return data

def query_i():
	len_hostname = len(glob.config["server"]["hostname"])
	len_mode = len(glob.config["server"]["mode"])
	len_language = len(glob.config["server"]["language"])

	packet = struct.pack(b"<?HHI%dsI%dsI%ds" % (len_hostname, len_mode, len_language),
		False,
		get_online_players(),
		glob.config["server"]["max_players"],
		len_hostname,
		glob.config["server"]["hostname"].encode(),
		len_mode,
		glob.config["server"]["mode"].encode(),
		len_language,
		glob.config["server"]["language"].encode())

	return packet

def query_r():
	packet_data = []

	rules = get_rules()
	packet_data.append(len(rules)) # len_rules

	for name, value in rules.items():
		packet_data.append([
			len(name), name,
			len(value), value
		])

	flat_packet_data = dataHelper.flatten(packet_data)

	packet = struct.pack(b"<H" + b"c%dsc%ds" * flat_packet_data[0] # using len_rules
			% [len(y) for x in rules.items() for y in x], # array of only rules entries
		*flat_packet_data)

	return packet

def query_c():
	packet_data = []
	
	players_scores = get_players_scores()
	packet_data.append(len(players_scores))

	for name, value in players_scores.items():
		packet_data.append([
			len(name), name,
			value
		])
	
	flat_packet_data = dataHelper.flatten(packet_data)

	packet = struct.pack(b"<H" + b"c%dscI" * flat_packet_data[0]
			% [len(x) for x in players_scores.keys()],
		*flat_packet_data)
	
	return packet

def get_online_players(): #TODO
	return 0

def get_rules(): #TODO
	return {"Rule name sample": "Rule value"}

def get_players_scores():
	return {"Sunpy": 64, "username": 123}

RESPONSE = { #TODO: c, d & p (https://wiki.sa-mp.com/wiki/Query_Mechanism)
	b"i": query_i,
	b"r": query_r,
	b"c": query_c
}