2 # NEPI, a framework to manage network experiments
3 # Copyright (C) 2014 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>
26 from optparse import OptionParser, SUPPRESS_HELP
28 from nepi.resources.ns3.ns3client import NS3Client
29 from nepi.resources.ns3.ns3server import NS3WrapperMessage
31 class LinuxNS3Client(NS3Client):
32 def __init__(self, simulation):
33 super(LinuxNS3Client, self).__init__()
34 self._simulation = weakref.ref(simulation)
36 self._socat_proc = None
41 return self._simulation()
43 def connect_client(self):
44 if self.simulation.node.get("hostname") in ['localhost', '127.0.0.1']:
47 (out, err), self._socat_proc = self.simulation.node.socat(
48 self.simulation.local_socket,
49 self.simulation.remote_socket)
51 def send_msg(self, msg, *args):
54 sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
55 sock.connect(self.simulation.local_socket)
59 arg = cPickle.dumps(arg)
60 return base64.b64encode(arg)
62 encoded = "|".join(map(encode, args))
63 sock.send("%s\n" % encoded)
65 reply = sock.recv(1024)
66 return cPickle.loads(base64.b64decode(reply))
68 def create(self, clazzname, *args):
70 args.insert(0, clazzname)
72 return self.send_msg(NS3WrapperMessage.CREATE, *args)
74 def factory(self, type_name, **kwargs):
78 return self.send_msg(NS3WrapperMessage.FACTORY, *args)
80 def invoke(self, uuid, operation, *args):
82 args.insert(0, operation)
85 return self.send_msg(NS3WrapperMessage.INVOKE, *args)
87 def set(self, uuid, name, value):
88 args = [uuid, name, value]
90 return self.send_msg(NS3WrapperMessage.SET, *args)
92 def get(self, uuid, name):
95 return self.send_msg(NS3WrapperMessage.GET, *args)
97 def trace(self, *args):
98 return self.send_msg(NS3WrapperMessage.TRACE, *args)
101 return self.send_msg(NS3WrapperMessage.START, [])
103 def stop(self, time = None):
108 return self.send_msg(NS3WrapperMessage.STOP, *args)
114 ret = self.send_msg(NS3WrapperMessage.SHUTDOWN, [])
120 self._socat_proc.kill()
125 os.remove(self.simulation.local_socket)