mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-11 09:38:08 +00:00
389 lines
16 KiB
Python
389 lines
16 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 Dynamips virtual Ethernet switch module ("ethsw").
|
|
http://github.com/GNS3/dynamips/blob/master/README.hypervisor#L558
|
|
"""
|
|
|
|
import asyncio
|
|
from gns3server.utils import parse_version
|
|
|
|
from .device import Device
|
|
from ..nios.nio_udp import NIOUDP
|
|
from ..dynamips_error import DynamipsError
|
|
from ...error import NodeError
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class EthernetSwitch(Device):
|
|
|
|
"""
|
|
Dynamips Ethernet switch.
|
|
|
|
:param name: name for this switch
|
|
:param node_id: Node instance identifier
|
|
:param project: Project instance
|
|
:param manager: Parent VM Manager
|
|
:param ports: initial switch ports
|
|
:param hypervisor: Dynamips hypervisor instance
|
|
"""
|
|
|
|
def __init__(self, name, node_id, project, manager, ports=None, hypervisor=None):
|
|
|
|
super().__init__(name, node_id, project, manager, hypervisor)
|
|
self._nios = {}
|
|
self._mappings = {}
|
|
if ports is None:
|
|
# create 8 ports by default
|
|
self._ports = []
|
|
for port_number in range(0, 8):
|
|
self._ports.append({"port_number": port_number,
|
|
"name": "Ethernet{}".format(port_number),
|
|
"type": "access",
|
|
"vlan": 1})
|
|
else:
|
|
self._ports = ports
|
|
|
|
def __json__(self):
|
|
|
|
ethernet_switch_info = {"name": self.name,
|
|
"node_id": self.id,
|
|
"project_id": self.project.id,
|
|
"ports_mapping": self._ports,
|
|
"status": "started"}
|
|
return ethernet_switch_info
|
|
|
|
@property
|
|
def ports_mapping(self):
|
|
"""
|
|
Ports on this switch
|
|
|
|
:returns: ports info
|
|
"""
|
|
|
|
return self._ports
|
|
|
|
@ports_mapping.setter
|
|
def ports_mapping(self, ports):
|
|
"""
|
|
Set the ports on this switch
|
|
|
|
:param ports: ports info
|
|
"""
|
|
if ports != self._ports:
|
|
if len(self._nios) > 0:
|
|
raise NodeError("Can't modify a switch already connected.")
|
|
|
|
port_number = 0
|
|
for port in ports:
|
|
port["name"] = "Ethernet{}".format(port_number)
|
|
port["port_number"] = port_number
|
|
port_number += 1
|
|
|
|
self._ports = ports
|
|
|
|
@asyncio.coroutine
|
|
def create(self):
|
|
|
|
if self._hypervisor is None:
|
|
module_workdir = self.project.module_working_directory(self.manager.module_name.lower())
|
|
self._hypervisor = yield from self.manager.start_new_hypervisor(working_dir=module_workdir)
|
|
|
|
yield from self._hypervisor.send('ethsw create "{}"'.format(self._name))
|
|
log.info('Ethernet switch "{name}" [{id}] has been created'.format(name=self._name, id=self._id))
|
|
self._hypervisor.devices.append(self)
|
|
|
|
@asyncio.coroutine
|
|
def set_name(self, new_name):
|
|
"""
|
|
Renames this Ethernet switch.
|
|
|
|
:param new_name: New name for this switch
|
|
"""
|
|
|
|
yield from self._hypervisor.send('ethsw rename "{name}" "{new_name}"'.format(name=self._name, new_name=new_name))
|
|
log.info('Ethernet switch "{name}" [{id}]: renamed to "{new_name}"'.format(name=self._name,
|
|
id=self._id,
|
|
new_name=new_name))
|
|
self._name = new_name
|
|
|
|
@property
|
|
def nios(self):
|
|
"""
|
|
Returns all the NIOs member of this Ethernet switch.
|
|
|
|
:returns: nio list
|
|
"""
|
|
|
|
return self._nios
|
|
|
|
@property
|
|
def mappings(self):
|
|
"""
|
|
Returns port mappings
|
|
|
|
:returns: mappings list
|
|
"""
|
|
|
|
return self._mappings
|
|
|
|
@asyncio.coroutine
|
|
def delete(self):
|
|
return (yield from self.close())
|
|
|
|
@asyncio.coroutine
|
|
def close(self):
|
|
"""
|
|
Deletes this Ethernet switch.
|
|
"""
|
|
|
|
for nio in self._nios.values():
|
|
if nio and isinstance(nio, NIOUDP):
|
|
self.manager.port_manager.release_udp_port(nio.lport, self._project)
|
|
|
|
if self._hypervisor:
|
|
try:
|
|
yield from self._hypervisor.send('ethsw delete "{}"'.format(self._name))
|
|
log.info('Ethernet switch "{name}" [{id}] has been deleted'.format(name=self._name, id=self._id))
|
|
except DynamipsError:
|
|
log.debug("Could not properly delete Ethernet switch {}".format(self._name))
|
|
if self._hypervisor and self in self._hypervisor.devices:
|
|
self._hypervisor.devices.remove(self)
|
|
if self._hypervisor and not self._hypervisor.devices:
|
|
yield from self.hypervisor.stop()
|
|
self._hypervisor = None
|
|
return True
|
|
|
|
@asyncio.coroutine
|
|
def add_nio(self, nio, port_number):
|
|
"""
|
|
Adds a NIO as new port on Ethernet switch.
|
|
|
|
:param nio: NIO instance to add
|
|
:param port_number: port to allocate for the NIO
|
|
"""
|
|
|
|
if port_number in self._nios:
|
|
raise DynamipsError("Port {} isn't free".format(port_number))
|
|
|
|
yield from self._hypervisor.send('ethsw add_nio "{name}" {nio}'.format(name=self._name, nio=nio))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
|
|
id=self._id,
|
|
nio=nio,
|
|
port=port_number))
|
|
self._nios[port_number] = nio
|
|
for port_settings in self._ports:
|
|
if port_settings["port_number"] == port_number:
|
|
yield from self.set_port_settings(port_number, port_settings)
|
|
break
|
|
|
|
@asyncio.coroutine
|
|
def remove_nio(self, port_number):
|
|
"""
|
|
Removes the specified NIO as member of this Ethernet switch.
|
|
|
|
:param port_number: allocated port number
|
|
|
|
:returns: the NIO that was bound to the port
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
if isinstance(nio, NIOUDP):
|
|
self.manager.port_manager.release_udp_port(nio.lport, self._project)
|
|
yield from self._hypervisor.send('ethsw remove_nio "{name}" {nio}'.format(name=self._name, nio=nio))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
|
|
id=self._id,
|
|
nio=nio,
|
|
port=port_number))
|
|
|
|
del self._nios[port_number]
|
|
if port_number in self._mappings:
|
|
del self._mappings[port_number]
|
|
|
|
return nio
|
|
|
|
@asyncio.coroutine
|
|
def set_port_settings(self, port_number, settings):
|
|
"""
|
|
Applies port settings to a specific port.
|
|
|
|
:param port_number: port number to set the settings
|
|
:param settings: port settings
|
|
"""
|
|
|
|
if settings["type"] == "access":
|
|
yield from self.set_access_port(port_number, settings["vlan"])
|
|
elif settings["type"] == "dot1q":
|
|
yield from self.set_dot1q_port(port_number, settings["vlan"])
|
|
elif settings["type"] == "qinq":
|
|
yield from self.set_qinq_port(port_number, settings["vlan"], settings["ethertype"])
|
|
|
|
@asyncio.coroutine
|
|
def set_access_port(self, port_number, vlan_id):
|
|
"""
|
|
Sets the specified port as an ACCESS port.
|
|
|
|
:param port_number: allocated port number
|
|
:param vlan_id: VLAN number membership
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
yield from self._hypervisor.send('ethsw set_access_port "{name}" {nio} {vlan_id}'.format(name=self._name,
|
|
nio=nio,
|
|
vlan_id=vlan_id))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: port {port} set as an access port in VLAN {vlan_id}'.format(name=self._name,
|
|
id=self._id,
|
|
port=port_number,
|
|
vlan_id=vlan_id))
|
|
self._mappings[port_number] = ("access", vlan_id)
|
|
|
|
@asyncio.coroutine
|
|
def set_dot1q_port(self, port_number, native_vlan):
|
|
"""
|
|
Sets the specified port as a 802.1Q trunk port.
|
|
|
|
:param port_number: allocated port number
|
|
:param native_vlan: native VLAN for this trunk port
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
yield from self._hypervisor.send('ethsw set_dot1q_port "{name}" {nio} {native_vlan}'.format(name=self._name,
|
|
nio=nio,
|
|
native_vlan=native_vlan))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: port {port} set as a 802.1Q port with native VLAN {vlan_id}'.format(name=self._name,
|
|
id=self._id,
|
|
port=port_number,
|
|
vlan_id=native_vlan))
|
|
|
|
self._mappings[port_number] = ("dot1q", native_vlan)
|
|
|
|
@asyncio.coroutine
|
|
def set_qinq_port(self, port_number, outer_vlan, ethertype):
|
|
"""
|
|
Sets the specified port as a trunk (QinQ) port.
|
|
|
|
:param port_number: allocated port number
|
|
:param outer_vlan: outer VLAN (transport VLAN) for this QinQ port
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
if ethertype != "0x8100" and parse_version(self.hypervisor.version) < parse_version('0.2.16'):
|
|
raise DynamipsError("Dynamips version required is >= 0.2.16 to change the default QinQ Ethernet type, detected version is {}".format(self.hypervisor.version))
|
|
|
|
yield from self._hypervisor.send('ethsw set_qinq_port "{name}" {nio} {outer_vlan} {ethertype}'.format(name=self._name,
|
|
nio=nio,
|
|
outer_vlan=outer_vlan,
|
|
ethertype=ethertype if ethertype != "0x8100" else ""))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: port {port} set as a QinQ ({ethertype}) port with outer VLAN {vlan_id}'.format(name=self._name,
|
|
id=self._id,
|
|
port=port_number,
|
|
vlan_id=outer_vlan,
|
|
ethertype=ethertype))
|
|
self._mappings[port_number] = ("qinq", outer_vlan, ethertype)
|
|
|
|
@asyncio.coroutine
|
|
def get_mac_addr_table(self):
|
|
"""
|
|
Returns the MAC address table for this Ethernet switch.
|
|
|
|
:returns: list of entries (Ethernet address, VLAN, NIO)
|
|
"""
|
|
|
|
mac_addr_table = yield from self._hypervisor.send('ethsw show_mac_addr_table "{}"'.format(self._name))
|
|
return mac_addr_table
|
|
|
|
@asyncio.coroutine
|
|
def clear_mac_addr_table(self):
|
|
"""
|
|
Clears the MAC address table for this Ethernet switch.
|
|
"""
|
|
|
|
yield from self._hypervisor.send('ethsw clear_mac_addr_table "{}"'.format(self._name))
|
|
|
|
@asyncio.coroutine
|
|
def start_capture(self, port_number, output_file, data_link_type="DLT_EN10MB"):
|
|
"""
|
|
Starts a packet capture.
|
|
|
|
:param port_number: allocated port number
|
|
:param output_file: PCAP destination file for the capture
|
|
:param data_link_type: PCAP data link type (DLT_*), default is DLT_EN10MB
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
|
|
if not nio:
|
|
raise DynamipsError("Port {} is not connected".format(port_number))
|
|
|
|
data_link_type = data_link_type.lower()
|
|
if data_link_type.startswith("dlt_"):
|
|
data_link_type = data_link_type[4:]
|
|
|
|
if nio.input_filter[0] is not None and nio.output_filter[0] is not None:
|
|
raise DynamipsError("Port {} has already a filter applied".format(port_number))
|
|
|
|
yield from nio.bind_filter("both", "capture")
|
|
yield from nio.setup_filter("both", '{} "{}"'.format(data_link_type, output_file))
|
|
|
|
log.info('Ethernet switch "{name}" [{id}]: starting packet capture on port {port}'.format(name=self._name,
|
|
id=self._id,
|
|
port=port_number))
|
|
|
|
@asyncio.coroutine
|
|
def stop_capture(self, port_number):
|
|
"""
|
|
Stops a packet capture.
|
|
|
|
:param port_number: allocated port number
|
|
"""
|
|
|
|
if port_number not in self._nios:
|
|
raise DynamipsError("Port {} is not allocated".format(port_number))
|
|
|
|
nio = self._nios[port_number]
|
|
|
|
if not nio:
|
|
raise DynamipsError("Port {} is not connected".format(port_number))
|
|
|
|
yield from nio.unbind_filter("both")
|
|
log.info('Ethernet switch "{name}" [{id}]: stopping packet capture on port {port}'.format(name=self._name,
|
|
id=self._id,
|
|
port=port_number))
|