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Protocol Docs: Python check bump to Python 3

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JulienPalard authored and rubenwardy committed Feb 3, 2019
1 parent 3c7e920 commit 23ea02c79cde40a25fea9eb1c97d216d25f8590d
Showing with 13 additions and 11 deletions.
  1. +13 −11 doc/protocol.txt
@@ -59,29 +59,31 @@ function check_if_minetestserver_up($host, $port)
{
# We got a reply! read the peer id from it.
$peer_id = substr($buf, 9, 2);

# Disconnect
$buf = "\x4f\x45\x74\x03".$peer_id."\x00\x00\x03";
socket_sendto($socket, $buf, strlen($buf), 0, $host, $port);
socket_close($socket);

return true;
}
return false;
}

- Here's a Python script for checking if a minetest server is up, confirmed working
#!/usr/bin/env python

#!/usr/bin/env python3
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]
if ":" in sys.argv[1]:
address = sys.argv[1].split(":")[0]
try:
port = int(sys.argv[1].split(':')[1])
port = int(sys.argv[1].split(":")[1])
except ValueError:
print("Please specify a valid port")
exit()
@@ -92,17 +94,17 @@ 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"
buf = b"\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"
buf = b"\x4f\x45\x74\x03" + peer_id + b"\x00\x00\x03"
sock.sendto(buf, (address, port))
sock.close()
end = time.time()
print("%s is up (%0.5fms)" % (sys.argv[1],end-start))
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])
except Exception as err:
print("%s seems to be down (%s) " % (sys.argv[1], str(err)))

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