mirror of
https://github.com/GNS3/gns3-server
synced 2025-01-13 09:30:54 +00:00
112 lines
2.8 KiB
Python
112 lines
2.8 KiB
Python
#!/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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import asyncio
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import uuid
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class Item:
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"""
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Item are visual element not used by the network emulation. Like
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text, images, rectangle... They are pure SVG elements.
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"""
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def __init__(self, project, item_id=None, svg=None, x=0, y=0, z=0):
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self.svg = "<svg></svg>"
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self._project = project
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if item_id is None:
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self._id = str(uuid.uuid4())
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else:
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self._id = item_id
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self._x = x
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self._y = y
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self._z = z
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@property
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def id(self):
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return self._id
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@property
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def svg(self):
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return self._svg
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@svg.setter
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def svg(self, value):
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self._svg = value
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@property
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def x(self):
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return self._x
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@x.setter
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def x(self, val):
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self._x = val
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@property
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def y(self):
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return self._y
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@y.setter
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def y(self, val):
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self._y = val
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@property
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def z(self):
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return self._z
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@z.setter
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def z(self, val):
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self._z = val
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@asyncio.coroutine
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def update(self, **kwargs):
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"""
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Update the node on the compute server
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:param kwargs: Node properties
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"""
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# Update node properties with additional elements
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for prop in kwargs:
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if getattr(self, prop) != kwargs[prop]:
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setattr(self, prop, kwargs[prop])
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self._project.controller.notification.emit("item.updated", self.__json__())
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self._project.dump()
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def __json__(self, topology_dump=False):
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"""
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:param topology_dump: Filter to keep only properties require for saving on disk
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"""
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if topology_dump:
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return {
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"item_id": self._id,
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"x": self._x,
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"y": self._y,
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"z": self._z,
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}
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return {
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"project_id": self._project.id,
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"item_id": self._id,
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"x": self._x,
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"y": self._y,
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"z": self._z,
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}
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def __repr__(self):
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return "<gns3server.controller.Item {}>".format(self._id)
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