import string
import subprocess
import threading
from core import constants
from core import logger
from core.coreobj import PyCoreNetIf
from core.coreobj import PyCoreNode
from core.enumerations import NodeTypes
from core.misc import nodeutils
from core.misc import utils
from core.netns import vnodeclient
from core.netns.vif import TunTap
from core.netns.vif import VEth
utils.check_executables([constants.IP_BIN])
class SimpleLxcNode(PyCoreNode):
"""
Provides simple lxc functionality for core nodes.
"""
valid_deladdrtype = ("inet", "inet6", "inet6link")
def __init__(self,
session,
objid=None,
name=None,
nodedir=None,
start=True):
"""
"""
import logging
import os
import threading
import time
from core import CoreCommandError
from core import constants
from core.coreobj import PyCoreNet
from core.misc import utils
from core.netns.vif import GreTap
from core.netns.vif import VEth
utils.check_executables([
constants.BRCTL_BIN, constants.IP_BIN, constants.EBTABLES_BIN,
constants.TC_BIN
])
ebtables_lock = threading.Lock()
class EbtablesQueue(object):
"""
Helper class for queuing up ebtables commands into rate-limited
atomic commits. This improves performance and reliability when there are
many WLAN link updates.
"""
# update rate is every 300ms
rate = 0.3
# ebtables
atomic_file = "/tmp/pycore.ebtables.atomic"
"""
netgraph.py: Netgraph helper functions; for now these are wrappers around
ngctl commands.
"""
import subprocess
from core import constants
from core.misc import utils
utils.check_executables([constants.NGCTL_BIN])
def createngnode(node_type, hookstr, name=None):
"""
Create a new Netgraph node of type and optionally assign name. The
hook string hookstr should contain two names. This is a string so
other commands may be inserted after the two names.
Return the name and netgraph ID of the new node.
:param node_type: node type to create
:param hookstr: hook string
:param name: name
:return: name and id
:rtype: tuple
"""
hook1 = hookstr.split()[0]
ngcmd = "mkpeer %s %s \n show .%s" % (node_type, hookstr, hook1)
cmd = [constants.NGCTL_BIN, "-f", "-"]
cmdid = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
# err will always be None
import os
import threading
import time
from core import CoreCommandError
from core import constants
from core import logger
from core.coreobj import PyCoreNet
from core.misc import utils
from core.netns.vif import GreTap
from core.netns.vif import VEth
utils.check_executables([
constants.BRCTL_BIN,
constants.IP_BIN,
constants.EBTABLES_BIN,
constants.TC_BIN
])
ebtables_lock = threading.Lock()
class EbtablesQueue(object):
"""
Helper class for queuing up ebtables commands into rate-limited
atomic commits. This improves performance and reliability when there are
many WLAN link updates.
"""
# update rate is every 300ms
rate = 0.3
# ebtables
from core import constants
from core import logger
from core.api import coreapi
from core.bsd.netgraph import connectngnodes
from core.bsd.netgraph import ngloadkernelmodule
from core.bsd.vnet import NetgraphNet
from core.bsd.vnet import NetgraphPipeNet
from core.bsd.vnode import JailNode
from core.enumerations import LinkTlvs
from core.enumerations import LinkTypes
from core.enumerations import NodeTypes
from core.enumerations import RegisterTlvs
from core.misc import ipaddress
from core.misc import utils
utils.check_executables([constants.IFCONFIG_BIN])
class CoreNode(JailNode):
apitype = NodeTypes.DEFAULT.value
class PtpNet(NetgraphPipeNet):
def tonodemsg(self, flags):
"""
Do not generate a Node Message for point-to-point links. They are
built using a link message instead.
"""
pass
def tolinkmsgs(self, flags):
from core import CoreCommandError
from core import constants
from core import logger
from core.coreobj import PyCoreNetIf
from core.coreobj import PyCoreNode
from core.enumerations import NodeTypes
from core.misc import nodeutils
from core.misc import utils
from core.misc.ipaddress import MacAddress
from core.netns import vnodeclient
from core.netns.vif import TunTap
from core.netns.vif import VEth
_DEFAULT_MTU = 1500
utils.check_executables([constants.IP_BIN])
class SimpleLxcNode(PyCoreNode):
"""
Provides simple lxc functionality for core nodes.
:var nodedir: str
:var ctrlchnlname: str
:var client: core.netns.vnodeclient.VnodeClient
:var pid: int
:var up: bool
:var lock: threading.RLock
:var _mounts: list[tuple[str, str]]
"""
valid_address_types = {"inet", "inet6", "inet6link"}
