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

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