mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-25 16:28:11 +00:00
Remove traceng code.
This commit is contained in:
grossmj
parent
fbd5e12e7b
commit
c59fc375f2
@ -23,9 +23,8 @@ from .virtualbox import VirtualBox
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from .dynamips import Dynamips
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from .qemu import Qemu
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from .vmware import VMware
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from .traceng import TraceNG
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MODULES = [Builtin, VPCS, VirtualBox, Dynamips, Qemu, VMware, TraceNG]
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MODULES = [Builtin, VPCS, VirtualBox, Dynamips, Qemu, VMware]
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if (
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sys.platform.startswith("linux")
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@ -1,43 +0,0 @@
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#
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# Copyright (C) 2018 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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TraceNG server module.
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"""
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import asyncio
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from ..base_manager import BaseManager
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from .traceng_error import TraceNGError
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from .traceng_vm import TraceNGVM
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class TraceNG(BaseManager):
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_NODE_CLASS = TraceNGVM
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def __init__(self):
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super().__init__()
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async def create_node(self, *args, **kwargs):
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"""
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Creates a new TraceNG VM.
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:returns: TraceNGVM instance
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"""
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return await super().create_node(*args, **kwargs)
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@ -1,26 +0,0 @@
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#
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# Copyright (C) 2018 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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Custom exceptions for the TraceNG module.
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"""
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from ..error import NodeError
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class TraceNGError(NodeError):
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pass
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@ -1,485 +0,0 @@
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#
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# Copyright (C) 2018 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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TraceNG VM management in order to run a TraceNG VM.
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"""
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import sys
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import os
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import socket
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import subprocess
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import asyncio
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import shutil
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import ipaddress
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from gns3server.utils.asyncio import wait_for_process_termination
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from gns3server.utils.asyncio import monitor_process
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from .traceng_error import TraceNGError
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from ..adapters.ethernet_adapter import EthernetAdapter
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from ..nios.nio_udp import NIOUDP
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from ..base_node import BaseNode
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import logging
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log = logging.getLogger(__name__)
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class TraceNGVM(BaseNode):
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module_name = "traceng"
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"""
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TraceNG VM implementation.
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:param name: TraceNG VM name
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:param node_id: Node identifier
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:param project: Project instance
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:param manager: Manager instance
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:param console: TCP console port
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"""
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def __init__(self, name, node_id, project, manager, console=None, console_type="none"):
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super().__init__(name, node_id, project, manager, console=console, console_type=console_type)
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self._process = None
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self._started = False
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self._ip_address = None
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self._default_destination = None
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self._destination = None
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self._local_udp_tunnel = None
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self._ethernet_adapter = EthernetAdapter() # one adapter with 1 Ethernet interface
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@property
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def ethernet_adapter(self):
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return self._ethernet_adapter
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async def close(self):
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"""
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Closes this TraceNG VM.
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"""
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if not (await super().close()):
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return False
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nio = self._ethernet_adapter.get_nio(0)
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if isinstance(nio, NIOUDP):
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self.manager.port_manager.release_udp_port(nio.lport, self._project)
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if self._local_udp_tunnel:
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self.manager.port_manager.release_udp_port(self._local_udp_tunnel[0].lport, self._project)
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self.manager.port_manager.release_udp_port(self._local_udp_tunnel[1].lport, self._project)
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self._local_udp_tunnel = None
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await self._stop_ubridge()
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if self.is_running():
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self._terminate_process()
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return True
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async def _check_requirements(self):
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"""
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Check if TraceNG is available.
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"""
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path = self._traceng_path()
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if not path:
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raise TraceNGError("No path to a TraceNG executable has been set")
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# This raise an error if ubridge is not available
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self.ubridge_path
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if not os.path.isfile(path):
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raise TraceNGError(f"TraceNG program '{path}' is not accessible")
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if not os.access(path, os.X_OK):
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raise TraceNGError(f"TraceNG program '{path}' is not executable")
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def __json__(self):
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return {
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"name": self.name,
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"ip_address": self.ip_address,
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"default_destination": self._default_destination,
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"node_id": self.id,
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"node_directory": self.working_path,
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"status": self.status,
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"console": self._console,
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"console_type": "none",
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"project_id": self.project.id,
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"command_line": self.command_line,
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}
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def _traceng_path(self):
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"""
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Returns the TraceNG executable path.
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:returns: path to TraceNG
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"""
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search_path = self._manager.config.get_section_config("TraceNG").get("traceng_path", "traceng")
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path = shutil.which(search_path)
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# shutil.which return None if the path doesn't exists
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if not path:
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return search_path
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return path
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@property
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def ip_address(self):
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"""
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Returns the IP address for this node.
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:returns: IP address
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"""
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return self._ip_address
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@ip_address.setter
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def ip_address(self, ip_address):
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"""
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Sets the IP address of this node.
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:param ip_address: IP address
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"""
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try:
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if ip_address:
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ipaddress.IPv4Address(ip_address)
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except ipaddress.AddressValueError:
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raise TraceNGError(f"Invalid IP address: {ip_address}\n")
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self._ip_address = ip_address
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log.info(
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"{module}: {name} [{id}] set IP address to {ip_address}".format(
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module=self.manager.module_name, name=self.name, id=self.id, ip_address=ip_address
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)
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)
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@property
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def default_destination(self):
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"""
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Returns the default destination IP/host for this node.
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:returns: destination IP/host
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"""
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return self._default_destination
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@default_destination.setter
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def default_destination(self, destination):
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"""
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Sets the destination IP/host for this node.
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:param destination: destination IP/host
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"""
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self._default_destination = destination
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log.info(
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"{module}: {name} [{id}] set default destination to {destination}".format(
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module=self.manager.module_name, name=self.name, id=self.id, destination=destination
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)
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)
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async def start(self, destination=None):
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"""
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Starts the TraceNG process.
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"""
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if not sys.platform.startswith("win"):
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raise TraceNGError("Sorry, TraceNG can only run on Windows")
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await self._check_requirements()
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if not self.is_running():
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nio = self._ethernet_adapter.get_nio(0)
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command = self._build_command(destination)
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await self._stop_ubridge() # make use we start with a fresh uBridge instance
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try:
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log.info(f"Starting TraceNG: {command}")
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flags = 0
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if hasattr(subprocess, "CREATE_NEW_CONSOLE"):
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flags = subprocess.CREATE_NEW_CONSOLE
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self.command_line = " ".join(command)
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self._process = await asyncio.create_subprocess_exec(
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*command, cwd=self.working_dir, creationflags=flags
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)
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monitor_process(self._process, self._termination_callback)
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await self._start_ubridge()
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if nio:
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await self.add_ubridge_udp_connection(f"TraceNG-{self._id}", self._local_udp_tunnel[1], nio)
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log.info(f"TraceNG instance {self.name} started PID={self._process.pid}")
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self._started = True
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self.status = "started"
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except (OSError, subprocess.SubprocessError) as e:
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log.error(f"Could not start TraceNG {self._traceng_path()}: {e}\n")
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raise TraceNGError(f"Could not start TraceNG {self._traceng_path()}: {e}\n")
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def _termination_callback(self, returncode):
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"""
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Called when the process has stopped.
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:param returncode: Process returncode
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"""
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if self._started:
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log.info("TraceNG process has stopped, return code: %d", returncode)
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self._started = False
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self.status = "stopped"
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self._process = None
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if returncode != 0:
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self.project.emit("log.error", {"message": f"TraceNG process has stopped, return code: {returncode}\n"})
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async def stop(self):
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"""
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Stops the TraceNG process.
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"""
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await self._stop_ubridge()
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if self.is_running():
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self._terminate_process()
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if self._process.returncode is None:
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try:
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await wait_for_process_termination(self._process, timeout=3)
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except asyncio.TimeoutError:
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if self._process.returncode is None:
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try:
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self._process.kill()
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except OSError as e:
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log.error(f"Cannot stop the TraceNG process: {e}")
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if self._process.returncode is None:
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log.warning(f'TraceNG VM "{self._name}" with PID={self._process.pid} is still running')
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self._process = None
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self._started = False
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await super().stop()
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async def reload(self):
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"""
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Reloads the TraceNG process (stop & start).
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"""
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await self.stop()
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await self.start(self._destination)
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def _terminate_process(self):
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"""
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Terminate the process if running
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"""
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log.info(f"Stopping TraceNG instance {self.name} PID={self._process.pid}")
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# if sys.platform.startswith("win32"):
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# self._process.send_signal(signal.CTRL_BREAK_EVENT)
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# else:
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try:
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self._process.terminate()
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# Sometime the process may already be dead when we garbage collect
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except ProcessLookupError:
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pass
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def is_running(self):
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"""
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Checks if the TraceNG process is running
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:returns: True or False
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"""
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if self._process and self._process.returncode is None:
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return True
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return False
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async def port_add_nio_binding(self, port_number, nio):
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"""
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Adds a port NIO binding.
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:param port_number: port number
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:param nio: NIO instance to add to the slot/port
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"""
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if not self._ethernet_adapter.port_exists(port_number):
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raise TraceNGError(
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"Port {port_number} doesn't exist in adapter {adapter}".format(
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adapter=self._ethernet_adapter, port_number=port_number
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)
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)
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if self.is_running():
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await self.add_ubridge_udp_connection(f"TraceNG-{self._id}", self._local_udp_tunnel[1], nio)
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self._ethernet_adapter.add_nio(port_number, nio)
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log.info(
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'TraceNG "{name}" [{id}]: {nio} added to port {port_number}'.format(
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name=self._name, id=self.id, nio=nio, port_number=port_number
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)
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)
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return nio
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async def port_update_nio_binding(self, port_number, nio):
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"""
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Updates a port NIO binding.
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:param port_number: port number
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:param nio: NIO instance to update on the slot/port
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"""
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if not self._ethernet_adapter.port_exists(port_number):
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raise TraceNGError(
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"Port {port_number} doesn't exist on adapter {adapter}".format(
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adapter=self._ethernet_adapter, port_number=port_number
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)
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)
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if self.is_running():
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await self.update_ubridge_udp_connection(f"TraceNG-{self._id}", self._local_udp_tunnel[1], nio)
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async def port_remove_nio_binding(self, port_number):
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"""
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Removes a port NIO binding.
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:param port_number: port number
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:returns: NIO instance
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"""
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if not self._ethernet_adapter.port_exists(port_number):
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raise TraceNGError(
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"Port {port_number} doesn't exist in adapter {adapter}".format(
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adapter=self._ethernet_adapter, port_number=port_number
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)
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)
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await self.stop_capture(port_number)
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if self.is_running():
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await self._ubridge_send("bridge delete {name}".format(name=f"TraceNG-{self._id}"))
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nio = self._ethernet_adapter.get_nio(port_number)
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if isinstance(nio, NIOUDP):
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self.manager.port_manager.release_udp_port(nio.lport, self._project)
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self._ethernet_adapter.remove_nio(port_number)
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log.info(
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'TraceNG "{name}" [{id}]: {nio} removed from port {port_number}'.format(
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name=self._name, id=self.id, nio=nio, port_number=port_number
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)
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)
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return nio
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def get_nio(self, port_number):
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"""
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Gets a port NIO binding.
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:param port_number: port number
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:returns: NIO instance
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"""
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if not self._ethernet_adapter.port_exists(port_number):
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raise TraceNGError(
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"Port {port_number} doesn't exist on adapter {adapter}".format(
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adapter=self._ethernet_adapter, port_number=port_number
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)
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)
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nio = self._ethernet_adapter.get_nio(port_number)
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if not nio:
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raise TraceNGError(f"Port {port_number} is not connected")
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return nio
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async def start_capture(self, port_number, output_file):
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"""
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Starts a packet capture.
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:param port_number: port number
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:param output_file: PCAP destination file for the capture
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"""
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nio = self.get_nio(port_number)
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if nio.capturing:
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raise TraceNGError(f"Packet capture is already activated on port {port_number}")
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nio.start_packet_capture(output_file)
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if self.ubridge:
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await self._ubridge_send(
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'bridge start_capture {name} "{output_file}"'.format(
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name=f"TraceNG-{self._id}", output_file=output_file
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)
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)
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log.info(
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"TraceNG '{name}' [{id}]: starting packet capture on port {port_number}".format(
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name=self.name, id=self.id, port_number=port_number
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)
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)
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async def stop_capture(self, port_number):
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"""
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Stops a packet capture.
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||||
:param port_number: port number
|
||||
"""
|
||||
|
||||
nio = self.get_nio(port_number)
|
||||
if not nio.capturing:
|
||||
return
|
||||
|
||||
nio.stop_packet_capture()
|
||||
if self.ubridge:
|
||||
await self._ubridge_send("bridge stop_capture {name}".format(name=f"TraceNG-{self._id}"))
|
||||
|
||||
log.info(
|
||||
"TraceNG '{name}' [{id}]: stopping packet capture on port {port_number}".format(
|
||||
name=self.name, id=self.id, port_number=port_number
|
||||
)
|
||||
)
|
||||
|
||||
def _build_command(self, destination):
|
||||
"""
|
||||
Command to start the TraceNG process.
|
||||
(to be passed to subprocess.Popen())
|
||||
"""
|
||||
|
||||
if not destination:
|
||||
# use the default destination if no specific destination provided
|
||||
destination = self.default_destination
|
||||
if not destination:
|
||||
raise TraceNGError("Please provide a host or IP address to trace")
|
||||
if not self.ip_address:
|
||||
raise TraceNGError("Please configure an IP address for this TraceNG node")
|
||||
if self.ip_address == destination:
|
||||
raise TraceNGError("Destination cannot be the same as the IP address")
|
||||
|
||||
self._destination = destination
|
||||
command = [self._traceng_path()]
|
||||
# use the local UDP tunnel to uBridge instead
|
||||
if not self._local_udp_tunnel:
|
||||
self._local_udp_tunnel = self._create_local_udp_tunnel()
|
||||
nio = self._local_udp_tunnel[0]
|
||||
if nio and isinstance(nio, NIOUDP):
|
||||
# UDP tunnel
|
||||
command.extend(["-u"]) # enable UDP tunnel
|
||||
command.extend(["-c", str(nio.lport)]) # source UDP port
|
||||
command.extend(["-v", str(nio.rport)]) # destination UDP port
|
||||
try:
|
||||
command.extend(
|
||||
["-b", socket.gethostbyname(nio.rhost)]
|
||||
) # destination host, we need to resolve the hostname because TraceNG doesn't support it
|
||||
except socket.gaierror as e:
|
||||
raise TraceNGError(f"Can't resolve hostname {nio.rhost}: {e}")
|
||||
|
||||
command.extend(["-s", "ICMP"]) # Use ICMP probe type by default
|
||||
command.extend(["-f", self._ip_address]) # source IP address to trace from
|
||||
command.extend([destination]) # host or IP to trace
|
||||
return command
|
||||
@ -397,7 +397,6 @@ class Link:
|
||||
for node in self._nodes:
|
||||
if node["node"].node_type in (
|
||||
"vpcs",
|
||||
"traceng",
|
||||
"vmware",
|
||||
"dynamips",
|
||||
"qemu",
|
||||
|
||||
@ -139,7 +139,7 @@ class Node:
|
||||
:returns: Boolean True if the node is always running
|
||||
like ethernet switch
|
||||
"""
|
||||
return self.node_type not in ("qemu", "docker", "dynamips", "vpcs", "vmware", "virtualbox", "iou", "traceng")
|
||||
return self.node_type not in ("qemu", "docker", "dynamips", "vpcs", "vmware", "virtualbox", "iou")
|
||||
|
||||
@property
|
||||
def id(self):
|
||||
@ -753,7 +753,7 @@ class Node:
|
||||
PortFactory(port["name"], 0, 0, port_number, "ethernet", short_name=f"e{port_number}")
|
||||
)
|
||||
port_number += 1
|
||||
elif self._node_type in ("vpcs", "traceng"):
|
||||
elif self._node_type in ("vpcs"):
|
||||
self._ports.append(PortFactory("Ethernet0", 0, 0, 0, "ethernet", short_name="e0"))
|
||||
elif self._node_type in ("cloud", "nat"):
|
||||
port_number = 0
|
||||
|
||||
@ -36,7 +36,6 @@ class NodeType(str, Enum):
|
||||
docker = "docker"
|
||||
dynamips = "dynamips"
|
||||
vpcs = "vpcs"
|
||||
traceng = "traceng"
|
||||
virtualbox = "virtualbox"
|
||||
vmware = "vmware"
|
||||
iou = "iou"
|
||||
|
||||
@ -34,7 +34,7 @@ async def test_get(app: FastAPI, client: AsyncClient, windows_platform) -> None:
|
||||
|
||||
response = await client.get(app.url_path_for("get_capabilities"))
|
||||
assert response.status_code == status.HTTP_200_OK
|
||||
assert response.json() == {'node_types': ['cloud', 'ethernet_hub', 'ethernet_switch', 'nat', 'vpcs', 'virtualbox', 'dynamips', 'frame_relay_switch', 'atm_switch', 'qemu', 'vmware', 'traceng', 'docker', 'iou'],
|
||||
assert response.json() == {'node_types': ['cloud', 'ethernet_hub', 'ethernet_switch', 'nat', 'vpcs', 'virtualbox', 'dynamips', 'frame_relay_switch', 'atm_switch', 'qemu', 'vmware', 'docker', 'iou'],
|
||||
'version': __version__,
|
||||
'platform': sys.platform,
|
||||
'cpus': psutil.cpu_count(logical=True),
|
||||
@ -48,7 +48,7 @@ async def test_get_on_gns3vm(app: FastAPI, client: AsyncClient, on_gns3vm) -> No
|
||||
|
||||
response = await client.get(app.url_path_for("get_capabilities"))
|
||||
assert response.status_code == status.HTTP_200_OK
|
||||
assert response.json() == {'node_types': ['cloud', 'ethernet_hub', 'ethernet_switch', 'nat', 'vpcs', 'virtualbox', 'dynamips', 'frame_relay_switch', 'atm_switch', 'qemu', 'vmware', 'traceng', 'docker', 'iou'],
|
||||
assert response.json() == {'node_types': ['cloud', 'ethernet_hub', 'ethernet_switch', 'nat', 'vpcs', 'virtualbox', 'dynamips', 'frame_relay_switch', 'atm_switch', 'qemu', 'vmware', 'docker', 'iou'],
|
||||
'version': __version__,
|
||||
'platform': sys.platform,
|
||||
'cpus': psutil.cpu_count(logical=True),
|
||||
|
||||
Loading…
Reference in New Issue
Block a user