restart tor daemon if its no longer running

oml/tor.py

@@ -2,6 +2,7 @@ import os
 import re
 import sys
 import subprocess
+import time
 from threading import Thread
 import distutils
 
@@ -20,6 +21,7 @@ logger = logging.getLogger(__name__)
 
 class TorDaemon(Thread):
     installing = False
+    running = True
 
     def __init__(self):
         self._status = []
@@ -69,14 +71,17 @@ DirReqStatistics 0
             tor = get_tor()
         if tor:
             cmd = [tor, '--defaults-torrc', defaults, '-f', torrc]
+            while self.running:
                 self.p = subprocess.Popen(cmd, stdout=subprocess.PIPE, bufsize=1,
                     universal_newlines=True, close_fds=True, start_new_session=True)
                 for line in self.p.stdout:
                     self._status.append(line)
                     logger.debug(line)
+                time.sleep(0.5)
             self.p = None
 
-    def shutdown(self):
+    def kill(self):
+        self.running = False
         if self.p:
             self.p.kill()
 
@@ -154,7 +159,7 @@ class Tor(object):
                 #self.controller.remove_event_listener(self.connection_change)
                 self.controller.close()
             if self.daemon:
-                self.daemon.shutdown()
+                self.daemon.kill()
         except:
             logger.debug('shutdown exception', exc_info=True)
             pass