- Here's a Python script for checking if a minetest server is up, confirmed working

#!/usr/bin/env python

import sys, time, socket

address = ""

port = 30000

if len(sys.argv) <= 1:

print("Usage: %s <address>" % sys.argv[0])

exit()

if ':' in sys.argv[1]:

address = sys.argv[1].split(':')[0]

try:

port = int(sys.argv[1].split(':')[1])

except ValueError:

print("Please specify a valid port")

exit()

else:

address = sys.argv[1]

try:

start = time.time()

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

sock.settimeout(2.0)

buf = "\x4f\x45\x74\x03\x00\x00\x00\x01"

sock.sendto(buf, (address, port))

data, addr = sock.recvfrom(1000)

if data:

peer_id = data[12:14]

buf = "\x4f\x45\x74\x03" + peer_id + "\x00\x00\x03"

sock.sendto(buf, (address, port))

sock.close()

end = time.time()

print("%s is up (%0.5fms)" % (sys.argv[1],end-start))

else:

print("%s seems to be down " % sys.argv[1])

except:

print("%s seems to be down " % sys.argv[1])