gns3-server/gns3server/compute/builtin/nodes/ethernet_hub.py

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# -*- 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/>.
"""
Hub object that uses the Bridge interface to create a hub with ports.
"""
import asyncio
from ...node_error import NodeError
from ...base_node import BaseNode
import logging
log = logging.getLogger(__name__)
class EthernetHub(BaseNode):
"""
Ethernet hub
:param name: name for this hub
:param node_id: Node identifier
:param project: Project instance
:param manager: Parent VM Manager
"""
def __init__(self, name, node_id, project, manager):
super().__init__(name, node_id, project, manager)
self._mappings = {}
def __json__(self):
return {"name": self.name,
"project_id": self.project.id,
"node_id": self.id}
# @asyncio.coroutine
# def create(self):
#
# yield from Bridge.create(self)
# log.info('Ethernet hub "{name}" [{id}] has been created'.format(name=self._name, id=self._id))
#
# @property
# def mappings(self):
# """
# Returns port mappings
#
# :returns: mappings list
# """
#
# return self._mappings
#
# @asyncio.coroutine
# def delete(self):
# """
# Deletes this hub.
# """
#
# for nio in self._nios:
# if nio and isinstance(nio, NIOUDP):
# self.manager.port_manager.release_udp_port(nio.lport, self._project)
#
# try:
# yield from Bridge.delete(self)
# log.info('Ethernet hub "{name}" [{id}] has been deleted'.format(name=self._name, id=self._id))
# except DynamipsError:
# log.debug("Could not properly delete Ethernet hub {}".format(self._name))
# if self._hypervisor and not self._hypervisor.devices:
# yield from self.hypervisor.stop()
#
# @asyncio.coroutine
# def add_nio(self, nio, port_number):
# """
# Adds a NIO as new port on this hub.
#
# :param nio: NIO instance to add
# :param port_number: port to allocate for the NIO
# """
#
# if port_number in self._mappings:
# raise DynamipsError("Port {} isn't free".format(port_number))
#
# yield from Bridge.add_nio(self, nio)
#
# log.info('Ethernet hub "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
# id=self._id,
# nio=nio,
# port=port_number))
# self._mappings[port_number] = nio
#
# @asyncio.coroutine
# def remove_nio(self, port_number):
# """
# Removes the specified NIO as member of this hub.
#
# :param port_number: allocated port number
#
# :returns: the NIO that was bound to the allocated port
# """
#
# if port_number not in self._mappings:
# raise DynamipsError("Port {} is not allocated".format(port_number))
#
# nio = self._mappings[port_number]
# if isinstance(nio, NIOUDP):
# self.manager.port_manager.release_udp_port(nio.lport, self._project)
# yield from Bridge.remove_nio(self, 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._mappings[port_number]
# return nio
#
# @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._mappings:
# raise DynamipsError("Port {} is not allocated".format(port_number))
#
# nio = self._mappings[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 hub "{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._mappings:
# raise DynamipsError("Port {} is not allocated".format(port_number))
#
# nio = self._mappings[port_number]
# yield from nio.unbind_filter("both")
# log.info('Ethernet hub "{name}" [{id}]: stopping packet capture on port {port}'.format(name=self._name,
# id=self._id,
# port=port_number))