Tunnels are now refreshed correctly even when the number of connections to...

Tunnels are now refreshed correctly even when the number of connections to established calculated is not an integer

tunnel.py

-import os, random, traceback, time, struct, subprocess, operator
+import os, random, traceback, time, struct, subprocess, operator, math
 import plib, utils, db
 
 log = None
@@ -85,8 +85,8 @@ class TunnelManager:
                                        'client10', 'client11', 'client12'))
         self.next_refresh = time.time()
 
-        self._client_count = connection_count / 2
-        self._refresh_count = refresh_rate * self._client_count
+        self._client_count = int(math.ceil(float(connection_count) / 2.0))
+        self._refresh_count = int(math.ceil(refresh_rate * self._client_count))
 
     def refresh(self):
         utils.log('Refreshing the tunnels...', 2)
@@ -107,7 +107,8 @@ class TunnelManager:
         # Get the candidates to killing
         candidates = sorted(self._connection_dict, key=lambda p:
                 self._connection_dict[p].routes)
-
+        print max(0, len(self._connection_dict) - self._client_count + self._refresh_count)  # DEBUG
+        print self._client_count
         for prefix in candidates[0: max(0, len(self._connection_dict) -
                 self._client_count + self._refresh_count)]:
             self._kill(prefix)