python: Honor zero probe interval in reconnect.py

The python reconnect library attempted to send a probe every 0
milliseconds instead of disabling probing when the probe_interval
was zero.

Signed-off-by: Ethan Jackson <ethan@nicira.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/python/ovs/reconnect.py b/python/ovs/reconnect.py
index 7e58f504..f1da930a 100644
--- a/python/ovs/reconnect.py
+++ b/python/ovs/reconnect.py
@@ -112,7 +112,9 @@ class Reconnect(object):
 
         @staticmethod
         def deadline(fsm):
-            return fsm.state_entered + fsm.probe_interval
+            if fsm.probe_interval:
+                return fsm.state_entered + fsm.probe_interval
+            return None
 
         @staticmethod
         def run(fsm, now):
@@ -504,7 +506,9 @@ class Reconnect(object):
               connection is indeed in working order.  (This will only be
               returned if the "probe interval" is nonzero--see
               self.set_probe_interval())."""
-        if now >= self.state.deadline(self):
+
+        deadline = self.state.deadline(self)
+        if deadline is not None and now >= deadline:
             return self.state.run(self, now)
         else:
             return None