From 0ea316c780569ac7740019fd9c908cf4bce2c49f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Gl=C3=BCpker?= <git@wgmd.de>
Date: Fri, 23 Mar 2018 21:05:44 +0100
Subject: Ask server for connected players

---
 QueryServer.py | 43 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 QueryServer.py

(limited to 'QueryServer.py')

diff --git a/QueryServer.py b/QueryServer.py
old mode 100644
new mode 100755
index 669e7a3..cd86bfe
--- a/QueryServer.py
+++ b/QueryServer.py
@@ -26,6 +26,7 @@ sourcequeryinc = [
 
 import json
 import socket
+import struct
 from SteamAPI import SteamAPI
 if CACHE_TTL > 0:
     from Caching import Caching
@@ -71,16 +72,22 @@ class QueryServer():
         if gameid in sourcequeryinc:
             port += 1
 
-        print(ip, port, gameid)
+        # print(ip, port, gameid)
         conn = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
+        message = None
         try:
             conn.connect( (ip, port) )
             conn.sendall( b'\xFF\xFF\xFF\xFF\x54' + b'Source Engine Query' + b'\x00' )
             message = conn.recv(4096)
-        except:
-            print('Exception in SourceQuery connection')
-            return None
+            conn.sendall( b'\xFF\xFF\xFF\xFF\x55\xFF\xFF\xFF\xFF' )
+            challenge = conn.recv(1024)[5:]
+            conn.sendall( b'\xFF\xFF\xFF\xFF\x55' + challenge )
+            playerdata = conn.recv(4096)
+        except Exception as e:
+            print('Exception in SourceQuery connection:', e)
+            if not message:
+                return None
         finally:
             conn.close()
 
@@ -159,6 +166,34 @@ class QueryServer():
                     (message[1] <<  8) + (message[0])
             message = message[8:]
 
+        if playerdata and playerdata[4] == ord('D'):
+            players = []
+            data['player_info'] = players
+            number = playerdata[5]
+            playerdata = playerdata[6:]
+
+            index = 0
+            while index < number and playerdata:
+                player = dict()
+                player['index'] = playerdata[0]
+
+                nullterm = playerdata.index(b'\0', 1)
+                player_name = playerdata[1:nullterm]
+                player['name'] = player_name.decode('utf-8', errors='replace')
+                playerdata = playerdata[nullterm+1:]
+
+                playerscore = (playerdata[3] << 24) + (playerdata[2] << 16) + \
+                              (playerdata[1] <<  8) + (playerdata[0])
+                player['score'] = playerscore
+                playerdata = playerdata[4:]
+
+                duration = int(struct.unpack('f', playerdata[0:4])[0])
+                player['duration'] = duration
+                playerdata = playerdata[4:]
+
+                players.append(player)
+                index += 1
+
         # Everything is type bytes, so convert things to utf8?
         for key, value in data.items():
             if isinstance(value, bytes):
-- 
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