mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-27 09:18:09 +00:00
39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# Copyright (C) 2017 GNS3 Technologies Inc.
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from ..iou_error import IOUError
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def get_next_application_id(nodes):
|
|
"""
|
|
Calculates free application_id from given nodes
|
|
|
|
:param nodes:
|
|
:raises IOUError when exceeds number
|
|
:return: integer first free id
|
|
"""
|
|
|
|
used = set([n.application_id for n in nodes])
|
|
pool = set(range(1, 512))
|
|
try:
|
|
return (pool - used).pop()
|
|
except KeyError:
|
|
raise IOUError("Cannot create a new IOU VM (limit of 512 VMs on one host reached)")
|