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42 lines
1.3 KiB
42 lines
1.3 KiB
#!/usr/bin/env python
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#
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# Copyright (C) 2016 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 ..config import Config
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class Controller:
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"""The controller manage multiple gns3 servers"""
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def isEnabled(self):
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"""
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:returns: True if current instance is the controller
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of our GNS3 infrastructure.
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"""
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return Config.instance().get_section_config("Server").getboolean("controller")
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@staticmethod
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def instance():
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"""
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Singleton to return only on instance of Controller.
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:returns: instance of Controller
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"""
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if not hasattr(Controller, '_instance') or Controller._instance is None:
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Controller._instance = Controller()
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return Controller._instance
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