mirror of
https://github.com/GNS3/gns3-server
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172 lines
4.9 KiB
Python
172 lines
4.9 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2013 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Interface for Dynamips virtual ATM bridge module ("atm_bridge").
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http://github.com/GNS3/dynamips/blob/master/README.hypervisor#L622
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"""
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from ..dynamips_error import DynamipsError
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class ATMBridge(object):
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"""
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Dynamips bridge switch.
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:param hypervisor: Dynamips hypervisor instance
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:param name: name for this switch
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"""
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def __init__(self, hypervisor, name):
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#FIXME: instance tracking
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self._hypervisor = hypervisor
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self._name = '"' + name + '"' # put name into quotes to protect spaces
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self._hypervisor.send("atm_bridge create {}".format(self._name))
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self._hypervisor.devices.append(self)
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self._nios = {}
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self._mapping = {}
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@property
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def name(self):
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"""
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Returns the current name of this ATM bridge.
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:returns: ATM bridge name
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"""
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return self._name[1:-1] # remove quotes
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@name.setter
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def name(self, new_name):
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"""
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Renames this ATM bridge.
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:param new_name: New name for this bridge
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"""
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new_name = '"' + new_name + '"' # put the new name into quotes to protect spaces
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self._hypervisor.send("atm_bridge rename {name} {new_name}".format(name=self._name,
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new_name=new_name))
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self._name = new_name
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@property
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def hypervisor(self):
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"""
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Returns the current hypervisor.
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:returns: hypervisor instance
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"""
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return self._hypervisor
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def list(self):
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"""
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Returns all ATM bridge instances.
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:returns: list of all ATM bridges
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"""
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return self._hypervisor.send("atm_bridge list")
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@property
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def nios(self):
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"""
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Returns all the NIOs member of this ATM bridge.
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:returns: nio list
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"""
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return self._nios
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@property
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def mapping(self):
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"""
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Returns port mapping
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:returns: mapping list
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"""
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return self._mapping
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def delete(self):
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"""
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Deletes this ATM bridge.
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"""
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self._hypervisor.send("atm_bridge delete {}".format(self._name))
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self._hypervisor.devices.remove(self)
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def add_nio(self, nio, port):
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"""
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Adds a NIO as new port on ATM bridge.
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:param nio: NIO instance to add
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:param port: port to allocate for the NIO
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"""
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if port in self._nios:
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raise DynamipsError("Port {} isn't free".format(port))
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self._nios[port] = nio
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def remove_nio(self, port):
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"""
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Removes the specified NIO as member of this ATM switch.
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:param port: allocated port
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"""
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if port not in self._nios:
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raise DynamipsError("Port {} is not allocated".format(port))
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del self._nios[port]
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def configure(self, eth_port, atm_port, atm_vpi, atm_vci):
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"""
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Configures this ATM bridge.
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:param eth_port: Ethernet port
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:param atm_port: ATM port
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:param atm_vpi: ATM VPI
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:param atm_vci: ATM VCI
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"""
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if eth_port not in self._nios:
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raise DynamipsError("Ethernet port {} is not allocated".format(eth_port))
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if atm_port not in self._nios:
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raise DynamipsError("ATM port {} is not allocated".format(atm_port))
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eth_nio = self._nios[eth_port]
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atm_nio = self._nios[atm_port]
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self._hypervisor.send("atm_bridge configure {name} {eth_nio} {atm_nio} {vpi} {vci}".format(name=self._name,
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eth_nio=eth_nio,
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atm_nio=atm_nio,
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vpi=atm_vpi,
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vci=atm_vci))
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self._mapping[eth_port] = (atm_port, atm_vpi, atm_vci)
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def unconfigure(self):
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"""
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Unconfigures this ATM bridge.
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"""
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self._hypervisor.send("atm_bridge unconfigure {}".format(self._name))
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del self._mapping
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