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https://github.com/GNS3/gns3-server.git
synced 2025-02-06 16:23:49 +02:00
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2013 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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#import networkx as nx
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class Topology(object):
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def __init__(self):
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pass
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#self._topology = nx.Graph()
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def add_node(self, node):
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self._topology.add_node(node)
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def remove_node(self, node):
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self._topology.remove_node(node)
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def clear(self):
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self._topology.clear()
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def __str__(self):
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return "GNS3 network topology"
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@staticmethod
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def instance():
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if not hasattr(Topology, "_instance"):
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Topology._instance = Topology()
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return Topology._instance
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