1 files changed, 86 insertions, 0 deletions
diff --git a/net/onlineusers.py b/net/onlineusers.py
new file mode 100644
index 0000000..92b5b0f
--- /dev/null
+++ b/net/onlineusers.py
@@ -0,0 +1,86 @@
+
+"""
+Copyright 2015-2016, Joseph Botosh <rumly111@gmail.com>
+
+This file is part of tradey, a trading bot in The Mana World
+see www.themanaworld.org
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2 of the License, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+
+Additionally to the GPL, you are *strongly* encouraged to share any
+modifications you do on these sources.
+"""
+
+import urllib2
+import string
+import threading
+import time
+
+from common import netlog
+
+
+class OnlineUsers(threading.Thread):
+
+    def __init__(self, online_url='https://server.themanaworld.org/online-old.txt',
+                 update_interval=60, refresh_hook=None):
+        self._active = True
+        self._timer = 0
+        self._url = online_url
+        self._update_interval = update_interval
+        self.__lock = threading.Lock()
+        self.__online_users = []
+        self.refresh_hook = refresh_hook
+        threading.Thread.__init__(self)
+
+    @property
+    def online_users(self):
+        self.__lock.acquire(True)
+        users = self.__online_users[:]
+        self.__lock.release()
+        return users
+
+    @staticmethod
+    def dl_online_list(url):
+        """
+        Download online.txt, parse it, and return a list of online user nicks.
+        If error occurs, return empty list
+        """
+        try:
+            data = urllib2.urlopen(url).read()
+        except urllib2.URLError, e:
+            netlog.error("urllib error: %s", e.message)
+            return []
+        start = string.find(data, '------------------------------\n') + 31
+        end = string.rfind(data, '\n\n')
+        s = data[start:end]
+        return map(lambda n: n[:-5].strip() if n.endswith('(GM) ')
+                   else n.strip(), s.split('\n'))
+
+    def run(self):
+        while self._active:
+            if (time.time() - self._timer) > self._update_interval:
+                users = self.dl_online_list(self._url)
+
+                if self.refresh_hook:
+                    self.refresh_hook(set(users), set(self.__online_users))
+
+                self.__lock.acquire(True)
+                self.__online_users = users
+                self.__lock.release()
+                self._timer = time.time()
+            else:
+                time.sleep(1.0)
+
+    def stop(self):
+        self._active = False