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gns3-server/gns3server/modules/dynamips/nios/nio_vde.py
2015-02-13 15:11:14 -07:00

95 lines
2.7 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 VDE (Virtual Distributed Ethernet) NIOs (Unix based OSes only).
"""
import asyncio
from .nio import NIO
import logging
log = logging.getLogger(__name__)
class NIOVDE(NIO):
"""
Dynamips VDE NIO.
:param hypervisor: Dynamips hypervisor instance
:param control_file: VDE control filename
:param local_file: VDE local filename
"""
_instance_count = 0
def __init__(self, hypervisor, control_file, local_file):
# create an unique ID and name
nio_id = NIOVDE._instance_count
NIOVDE._instance_count += 1
name = 'nio_vde' + str(nio_id)
self._control_file = control_file
self._local_file = local_file
NIO.__init__(self, name, hypervisor)
@classmethod
def reset(cls):
"""
Reset the instance count.
"""
cls._instance_count = 0
@asyncio.coroutine
def create(self):
self._hypervisor.send("nio create_vde {name} {control} {local}".format(name=self._name,
control=self._control_file,
local=self._local_file))
log.info("NIO VDE {name} created with control={control}, local={local}".format(name=self._name,
control=self._control_file,
local=self._local_file))
@property
def control_file(self):
"""
Returns the VDE control file.
:returns: VDE control filename
"""
return self._control_file
@property
def local_file(self):
"""
Returns the VDE local file.
:returns: VDE local filename
"""
return self._local_file
def __json__(self):
return {"type": "nio_vde",
"local_file": self._local_file,
"control_file": self._control_file}