/usr/lib/python2.7/dist-packages/ovs/unixctl/client.py is in python-openvswitch 2.9.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | # Copyright (c) 2011, 2012 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import ovs.jsonrpc
import ovs.stream
import ovs.util
import six
vlog = ovs.vlog.Vlog("unixctl_client")
strtypes = six.string_types
class UnixctlClient(object):
def __init__(self, conn):
assert isinstance(conn, ovs.jsonrpc.Connection)
self._conn = conn
def transact(self, command, argv):
assert isinstance(command, strtypes)
assert isinstance(argv, list)
for arg in argv:
assert isinstance(arg, strtypes)
request = ovs.jsonrpc.Message.create_request(command, argv)
error, reply = self._conn.transact_block(request)
if error:
vlog.warn("error communicating with %s: %s"
% (self._conn.name, os.strerror(error)))
return error, None, None
if reply.error is not None:
return 0, str(reply.error), None
else:
assert reply.result is not None
return 0, None, str(reply.result)
def close(self):
self._conn.close()
self.conn = None
@staticmethod
def create(path):
assert isinstance(path, str)
unix = "unix:%s" % ovs.util.abs_file_name(ovs.dirs.RUNDIR, path)
error, stream = ovs.stream.Stream.open_block(
ovs.stream.Stream.open(unix))
if error:
vlog.warn("failed to connect to %s" % path)
return error, None
return 0, UnixctlClient(ovs.jsonrpc.Connection(stream))
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