mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-25 01:38:08 +00:00
227 lines
7.9 KiB
Python
227 lines
7.9 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 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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from gns3server.web.route import Route
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from gns3server.config import Config
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from gns3server.controller import Controller
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from gns3server.schemas.version import VERSION_SCHEMA
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from gns3server.version import __version__
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from aiohttp.web import HTTPConflict, HTTPForbidden
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import os
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import psutil
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import shutil
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import asyncio
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import platform
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import logging
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log = logging.getLogger(__name__)
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class ServerHandler:
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@classmethod
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@Route.post(
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r"/shutdown",
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description="Shutdown the local server",
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status_codes={
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201: "Server is shutting down",
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403: "Server shutdown refused"
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})
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def shutdown(request, response):
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config = Config.instance()
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if config.get_section_config("Server").getboolean("local", False) is False:
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raise HTTPForbidden(text="You can only stop a local server")
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log.info("Start shutting down the server")
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# close all the projects first
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controller = Controller.instance()
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projects = controller.projects.values()
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tasks = []
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for project in projects:
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tasks.append(asyncio.async(project.close()))
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if tasks:
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done, _ = yield from asyncio.wait(tasks)
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for future in done:
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try:
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future.result()
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except Exception as e:
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log.error("Could not close project {}".format(e), exc_info=1)
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continue
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# then shutdown the server itself
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from gns3server.web.web_server import WebServer
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server = WebServer.instance()
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asyncio.async(server.shutdown_server())
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response.set_status(201)
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@Route.get(
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r"/version",
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description="Retrieve the server version number",
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output=VERSION_SCHEMA)
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def version(request, response):
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config = Config.instance()
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local_server = config.get_section_config("Server").getboolean("local", False)
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response.json({"version": __version__, "local": local_server})
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@Route.post(
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r"/version",
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description="Check if version is the same as the server",
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output=VERSION_SCHEMA,
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input=VERSION_SCHEMA,
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status_codes={
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200: "Same version",
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409: "Invalid version"
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})
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def check_version(request, response):
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if request.json["version"] != __version__:
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raise HTTPConflict(text="Client version {} differs with server version {}".format(request.json["version"], __version__))
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response.json({"version": __version__})
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@Route.get(
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r"/settings",
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description="Retrieve gui settings from the server. Temporary will we removed in later release")
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def read_settings(request, response):
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settings = None
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while True:
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# The init of the server could take some times
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# we ensure settings are loaded before returning them
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settings = Controller.instance().settings
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if settings is not None:
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break
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yield from asyncio.sleep(0.5)
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response.json(settings)
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@Route.post(
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r"/settings",
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description="Write gui settings on the server. Temporary will we removed in later releas",
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status_codes={
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201: "Writed"
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})
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def write_settings(request, response):
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controller = Controller.instance()
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if controller.settings is None: # Server is not loaded ignore settings update to prevent buggy client sync issue
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return
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controller.settings = request.json
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try:
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controller.save()
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except (OSError, PermissionError) as e:
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raise HTTPConflict(text="Can't save the settings {}".format(str(e)))
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response.json(controller.settings)
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response.set_status(201)
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@Route.post(
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r"/debug",
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description="Dump debug informations to disk (debug directory in config directory). Work only for local server",
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status_codes={
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201: "Writed"
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})
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def debug(request, response):
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config = Config.instance()
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if config.get_section_config("Server").getboolean("local", False) is False:
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raise HTTPForbidden(text="You can only debug a local server")
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debug_dir = os.path.join(config.config_dir, "debug")
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try:
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if os.path.exists(debug_dir):
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shutil.rmtree(debug_dir)
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os.makedirs(debug_dir)
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with open(os.path.join(debug_dir, "controller.txt"), "w+") as f:
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f.write(ServerHandler._getDebugData())
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except Exception as e:
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# If something is wrong we log the info to the log and we hope the log will be include correctly to the debug export
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log.error("Could not export debug informations {}".format(e), exc_info=1)
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try:
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if Controller.instance().gns3vm.engine == "vmware":
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vmx_path = Controller.instance().gns3vm.current_engine().vmx_path
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if vmx_path:
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shutil.copy(vmx_path, os.path.join(debug_dir, os.path.basename(vmx_path)))
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except OSError as e:
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# If something is wrong we log the info to the log and we hope the log will be include correctly to the debug export
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log.error("Could not copy VMware VMX file {}".format(e), exc_info=1)
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for compute in list(Controller.instance().computes.values()):
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try:
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r = yield from compute.get("/debug", raw=True)
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data = r.body.decode("utf-8")
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except Exception as e:
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data = str(e)
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with open(os.path.join(debug_dir, "compute_{}.txt".format(compute.id)), "w+") as f:
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f.write("Compute ID: {}\n".format(compute.id))
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f.write(data)
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response.set_status(201)
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@staticmethod
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def _getDebugData():
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try:
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connections = psutil.net_connections()
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# You need to be root for OSX
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except psutil.AccessDenied:
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connections = None
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try:
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addrs = ["* {}: {}".format(key, val) for key, val in psutil.net_if_addrs().items()]
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except UnicodeDecodeError:
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addrs = ["INVALID ADDR WITH UNICODE CHARACTERS"]
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data = """Version: {version}
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OS: {os}
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Python: {python}
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CPU: {cpu}
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Memory: {memory}
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Networks:
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{addrs}
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Open connections:
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{connections}
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Processus:
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""".format(
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version=__version__,
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os=platform.platform(),
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python=platform.python_version(),
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memory=psutil.virtual_memory(),
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cpu=psutil.cpu_times(),
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connections=connections,
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addrs="\n".join(addrs)
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)
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for proc in psutil.process_iter():
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try:
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psinfo = proc.as_dict(attrs=["name", "exe"])
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data += "* {} {}\n".format(psinfo["name"], psinfo["exe"])
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except psutil.NoSuchProcess:
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pass
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data += "\n\nProjects"
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for project in Controller.instance().projects.values():
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data += "\n\nProject name: {}\nProject ID: {}\n".format(project.name, project.id)
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for link in project.links.values():
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data += "Link {}: {}".format(link.id, link.debug_link_data)
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return data
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