2 # NEPI, a framework to manage network experiments
3 # Copyright (C) 2013 INRIA
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
24 from optparse import OptionParser
29 usage = ("usage: %prog -N <vif-name> -D <delete> -S <socket-name>")
31 parser = OptionParser(usage = usage)
33 parser.add_option("-N", "--vif-name", dest="vif_name",
34 help = "The name of the virtual interface, or a "
35 "unique numeric identifier to name the interface "
36 "if GRE mode is used.",
39 parser.add_option("-D", "--delete", dest="delete",
42 help="Removes virtual interface if GRE mode was used")
44 parser.add_option("-S", "--socket-name", dest="socket_name",
45 help = "Name for the unix socket used to interact with this process",
46 default = "tap.sock", type="str")
48 (options, args) = parser.parse_args()
50 return (options.vif_name, options.delete, options.socket_name)
52 if __name__ == '__main__':
54 (vif_name, delete, socket_name) = get_options()
56 # If a socket name is sent, send the STOP message and wait for a reply
58 sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
59 sock.connect(socket_name)
60 encoded = base64.b64encode(STOP_MSG)
61 sock.send("%s\n" % encoded)
62 reply = sock.recv(1024)
63 reply = base64.b64decode(reply)
66 # Else, use the vsys interface to set the virtual interface down
68 vsys.vif_down(vif_name, delete = delete)