openstack/neutron
Code Issues Proposed changes

Merge "Do not use -1 as an OpenFlow flow cookie"

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Jenkins 2017-03-22 04:57:02 +00:00 committed by Gerrit Code Review
commit 35055c9a4c
1 changed files with 3 additions and 1 deletions
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4
neutron/agent/common/ovs_lib.py
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@ -16,6 +16,7 @@
import collections
import itertools
import operator
import random
import time
import uuid
@ -741,7 +742,8 @@ def _build_flow_expr_str(flow_dict, cmd):
def generate_random_cookie():
return uuid.uuid4().int & UINT64_BITMASK
# The OpenFlow spec forbids use of -1
return random.randrange(UINT64_BITMASK)
def check_cookie_mask(cookie):