import threading
from socket import AF_INET, AF_INET6
from builtins import range
from core import CoreCommandError, utils
from core import constants
from core.emulator.data import NodeData, LinkData
from core.emulator.enumerations import NodeTypes, LinkTypes
from core.nodes import client, nodeutils, ipaddress
from core.nodes.interface import TunTap, CoreInterface
from core.nodes.interface import Veth
_DEFAULT_MTU = 1500
utils.check_executables([constants.IP_BIN])
class NodeBase(object):
"""
Base class for CORE nodes (nodes and networks)
"""
apitype = None
# TODO: appears start has no usage, verify and remove
def __init__(self, session, _id=None, name=None, start=True):
"""
Creates a PyCoreObj instance.
:param core.emulator.session.Session session: CORE session object
:param int _id: id
from core.emulator.enumerations import LinkTypes
from core.emulator.enumerations import NodeTypes
from core.emulator.enumerations import RegisterTlvs
from core.nodes import ipaddress
from core.nodes.interface import GreTap
from core.nodes.interface import Veth
from core.nodes.network import EbtablesQueue
from core.nodes.network import GreTapBridge
# a global object because all WLANs share the same queue
# cannot have multiple threads invoking the ebtables commnd
ebtables_queue = EbtablesQueue()
ebtables_lock = threading.Lock()
utils.check_executables(
[constants.IP_BIN, constants.EBTABLES_BIN, constants.TC_BIN])
def ebtables_commands(call, commands):
with ebtables_lock:
for command in commands:
call(command)
class OvsNet(CoreNetworkBase):
"""
Used to be LxBrNet.
Base class for providing Openvswitch functionality to objects that create bridges.
"""