# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
import base64
-import errno
-import vsys
import socket
-from optparse import OptionParser, SUPPRESS_HELP
+import vsys
+
+from optparse import OptionParser
STOP_MSG = "STOP"
def get_options():
- usage = ("usage: %prog -S <socket-name>")
+ usage = ("usage: %prog -N <vif-name> -D <delete> -S <socket-name>")
parser = OptionParser(usage = usage)
+ parser.add_option("-N", "--vif-name", dest="vif_name",
+ help = "The name of the virtual interface, or a "
+ "unique numeric identifier to name the interface "
+ "if GRE mode is used.",
+ type="str")
+
+ parser.add_option("-D", "--delete", dest="delete",
+ action="store_true",
+ default = False,
+ help="Removes virtual interface if GRE mode was used")
+
parser.add_option("-S", "--socket-name", dest="socket_name",
help = "Name for the unix socket used to interact with this process",
default = "tap.sock", type="str")
(options, args) = parser.parse_args()
- return (options.socket_name)
+ return (options.vif_name, options.delete, options.socket_name)
if __name__ == '__main__':
- (socket_name) = get_options()
-
- sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
- sock.connect(socket_name)
- encoded = base64.b64encode(STOP_MSG)
- sock.send("%s\n" % encoded)
- reply = sock.recv(1024)
- reply = base64.b64decode(reply)
-
- print reply
+ (vif_name, delete, socket_name) = get_options()
+ # If a socket name is sent, send the STOP message and wait for a reply
+ if socket_name:
+ sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+ sock.connect(socket_name)
+ encoded = base64.b64encode(STOP_MSG)
+ sock.send("%s\n" % encoded)
+ reply = sock.recv(1024)
+ reply = base64.b64decode(reply)
+ print reply
+ # Else, use the vsys interface to set the virtual interface down
+ elif vif_name:
+ vsys.vif_down(vif_name, delete = delete)