mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-11-17 17:24:51 +02:00
111 lines
3.0 KiB
Python
111 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# Copyright (C) 2013 GNS3 Technologies Inc.
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""
|
|
Interface for multicast NIOs.
|
|
"""
|
|
|
|
import asyncio
|
|
from .nio import NIO
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class NIOMcast(NIO):
|
|
"""
|
|
Dynamips Linux Ethernet NIO.
|
|
|
|
:param hypervisor: Dynamips hypervisor instance
|
|
:param group: multicast group to bind
|
|
:param port: port for binding
|
|
"""
|
|
|
|
_instance_count = 0
|
|
|
|
def __init__(self, hypervisor, group, port):
|
|
|
|
NIO.__init__(self, hypervisor)
|
|
|
|
# create an unique ID
|
|
self._id = NIOMcast._instance_count
|
|
NIOMcast._instance_count += 1
|
|
self._name = 'nio_mcast' + str(self._id)
|
|
self._group = group
|
|
self._port = port
|
|
self._ttl = 1 # default TTL
|
|
|
|
@classmethod
|
|
def reset(cls):
|
|
"""
|
|
Reset the instance count.
|
|
"""
|
|
|
|
cls._instance_count = 0
|
|
|
|
@asyncio.coroutine
|
|
def create(self):
|
|
|
|
yield from self._hypervisor.send("nio create_mcast {name} {mgroup} {mport}".format(name=self._name,
|
|
mgroup=self._group,
|
|
mport=self._port))
|
|
|
|
log.info("NIO Multicast {name} created with mgroup={group}, mport={port}".format(name=self._name,
|
|
group=self._group,
|
|
port=self._port))
|
|
|
|
@property
|
|
def group(self):
|
|
"""
|
|
Returns the multicast group
|
|
|
|
:returns: multicast group address
|
|
"""
|
|
|
|
return self._group
|
|
|
|
@property
|
|
def port(self):
|
|
"""
|
|
Returns the port
|
|
|
|
:returns: port number
|
|
"""
|
|
|
|
return self._port
|
|
|
|
@property
|
|
def ttl(self):
|
|
"""
|
|
Returns the TTL associated with the multicast address.
|
|
|
|
:returns: TTL value
|
|
"""
|
|
|
|
return self._ttl
|
|
|
|
def set_ttl(self, ttl):
|
|
"""
|
|
Sets the TTL for the multicast address
|
|
|
|
:param ttl: TTL value
|
|
"""
|
|
|
|
yield from self._hypervisor.send("nio set_mcast_ttl {name} {ttl}".format(name=self._name,
|
|
ttl=ttl))
|
|
self._ttl = ttl
|