tests/test-unixctl.py

   1 # Copyright (c) 2012 Nicira, Inc.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at:
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import argparse
  16
  17 import ovs.daemon
  18 import ovs.unixctl
  19 import ovs.unixctl.server
  20
  21 vlog = ovs.vlog.Vlog("test-unixctl")
  22 exiting = False
  23
  24
  25 def unixctl_exit(conn, unused_argv, aux):
  26     assert aux == "aux_exit"
  27     global exiting
  28
  29     exiting = True
  30     conn.reply(None)
  31
  32
  33 def unixctl_echo(conn, argv, aux):
  34     assert aux == "aux_echo"
  35     conn.reply(str(argv))
  36
  37
  38 def unixctl_echo_error(conn, argv, aux):
  39     assert aux == "aux_echo_error"
  40     conn.reply_error(str(argv))
  41
  42
  43 def unixctl_log(conn, argv, unused_aux):
  44     vlog.info(str(argv[0]))
  45     conn.reply(None)
  46
  47
  48 def unixctl_block(conn, unused_argv, unused_aux):
  49     pass
  50
  51
  52 def main():
  53     parser = argparse.ArgumentParser(
  54         description="Open vSwitch unixctl test program for Python")
  55     parser.add_argument("--unixctl", help="UNIXCTL socket location or 'none'.")
  56
  57     ovs.daemon.add_args(parser)
  58     ovs.vlog.add_args(parser)
  59     args = parser.parse_args()
  60     ovs.daemon.handle_args(args)
  61     ovs.vlog.handle_args(args)
  62
  63     ovs.daemon.daemonize_start()
  64     error, server = ovs.unixctl.server.UnixctlServer.create(args.unixctl)
  65     if error:
  66         ovs.util.ovs_fatal(error, "could not create unixctl server at %s"
  67                            % args.unixctl, vlog)
  68
  69     ovs.unixctl.command_register("exit", "", 0, 0, unixctl_exit, "aux_exit")
  70     ovs.unixctl.command_register("echo", "[arg ...]", 1, 2, unixctl_echo,
  71                                  "aux_echo")
  72     ovs.unixctl.command_register("log", "[arg ...]", 1, 2, unixctl_log, None)
  73     ovs.unixctl.command_register("echo_error", "[arg ...]", 1, 2,
  74                                  unixctl_echo_error, "aux_echo_error")
  75     ovs.unixctl.command_register("block", "", 0, 0, unixctl_block, None)
  76     ovs.daemon.daemonize_complete()
  77
  78     vlog.info("Entering run loop.")
  79     poller = ovs.poller.Poller()
  80     while not exiting:
  81         server.run()
  82         server.wait(poller)
  83         if exiting:
  84             poller.immediate_wake()
  85         poller.block()
  86     server.close()
  87
  88
  89 if __name__ == '__main__':
  90     main()