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gns3-server/gns3server/compute/dynamips/nios/nio_tap.py

65 lines
1.7 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 TAP NIOs (UNIX based OSes only).
"""
import asyncio
import uuid
from .nio import NIO
import logging
log = logging.getLogger(__name__)
class NIOTAP(NIO):
"""
Dynamips TAP NIO.
:param hypervisor: Dynamips hypervisor instance
:param tap_device: TAP device name (e.g. tap0)
"""
def __init__(self, hypervisor, tap_device):
# create an unique name
name = 'tap-{}'.format(uuid.uuid4())
self._tap_device = tap_device
super().__init__(name, hypervisor)
async def create(self):
await self._hypervisor.send("nio create_tap {name} {tap}".format(name=self._name, tap=self._tap_device))
log.info("NIO TAP {name} created with device {device}".format(name=self._name, device=self._tap_device))
@property
def tap_device(self):
"""
Returns the TAP device used by this NIO.
:returns: the TAP device name
"""
return self._tap_device
def __json__(self):
return {"type": "nio_tap",
"tap_device": self._tap_device}