fixed serverlist retrieval, added find_by_ip executable

find_by_ip.py

+#!/usr/bin/env python3
+import re
+
+import sys
+from teeworlds import query_masters_serverlist, create_masters, EventSocket
+
+e = EventSocket()
+m = create_masters(e)
+query_masters_serverlist(m)
+e.run()
+
+servers = []
+ip_filter = re.compile("^" + sys.argv[1].replace(".", "\\."))
+
+for master in m:
+	servers.extend(filter(lambda s: ip_filter.search(str(s.address)), master.serverlist))
+
+servers.sort(key=lambda s: s.address)
+
+for server in servers:
+	print("{address: <15} on {master}".format(address=str(server.address), master=server._master.name))

teeworlds/master.py

@@ -37,6 +37,7 @@ class MasterServer(object):
 		packet_list_request = 10*b'\xff' + b'req2'
 		packet_list_response = 10*b'\xff' + b'lis2'
 		serveraddr_size = 18
+		max_servers_per_packet = 75
 
 		def __init__(self, address, data_cb):
 			self.address = address
@@ -51,12 +52,14 @@ class MasterServer(object):
 			self.time_sent = time()
 
 		def response_received(self, data):
-			if len(data) <= len(self.packet_list_response) or not data.startswith(self.packet_list_response):
-				return True # that's not it, wait for more
+			if not data.startswith(self.packet_list_response):
+				return True # that's not our packet, wait for more
 			self.latency = time() - self.time_sent
 			L.debug("received list response from {} in {} seconds".format(self.address, self.latency))
-			self.data_cb(data[len(self.packet_list_response):])
-			return False
+			list_data = data[len(self.packet_list_response):]
+			self.data_cb(list_data)
+			if len(list_data) / self.serveraddr_size >= self.max_servers_per_packet:
+				return True # this is not the last packet
 
 	def __init__(self, socket, address, name=None, server_factory=None):
 		if server_factory: