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95 lines
2.6 KiB
95 lines
2.6 KiB
10 years ago
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 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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IOU server module.
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"""
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import os
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import base64
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import tempfile
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from gns3server.modules import IModule
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from gns3server.config import Config
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import logging
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log = logging.getLogger(__name__)
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class DeadMan():
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"""
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DeadMan module.
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:param name: module name
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:param args: arguments for the module
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:param kwargs: named arguments for the module
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"""
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def __init__(self, name, *args, **kwargs):
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config = Config.instance()
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# a new process start when calling IModule
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IModule.__init__(self, name, *args, **kwargs)
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self._host = kwargs["host"]
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self._projects_dir = kwargs["projects_dir"]
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self._tempdir = kwargs["temp_dir"]
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self._working_dir = self._projects_dir
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# check every 5 seconds
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#self._deadman_callback = self.add_periodic_callback(self._check_deadman_is_alive, 5000)
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self._deadman_callback.start()
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def stop(self, signum=None):
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"""
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Properly stops the module.
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:param signum: signal number (if called by the signal handler)
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"""
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self._iou_callback.stop()
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# delete all IOU instances
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for iou_id in self._iou_instances:
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iou_instance = self._iou_instances[iou_id]
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iou_instance.delete()
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self.delete_iourc_file()
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IModule.stop(self, signum) # this will stop the I/O loop
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@IModule.route("iou.reset")
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def reset(self, request=None):
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"""
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Resets the module (JSON-RPC notification).
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:param request: JSON request (not used)
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"""
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# delete all IOU instances
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for iou_id in self._iou_instances:
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iou_instance = self._iou_instances[iou_id]
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iou_instance.delete()
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# resets the instance IDs
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IOUDevice.reset()
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self._iou_instances.clear()
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self._allocated_udp_ports.clear()
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self.delete_iourc_file()
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log.info("IOU module has been reset")
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