ioctl.py
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ioctl.py
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	# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
	#
	# This library is free software; you can redistribute it and/or
	# modify it under the terms of the GNU Lesser General Public
	# License as published by the Free Software Foundation; either
	# version 2.1 of the License, or (at your option) any later version.
	#
	# This library 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
	# Lesser General Public License for more details.
	#
	# You should have received a copy of the GNU Lesser General Public
	# License along with this library. If not, see <http://www.gnu.org/licenses/>.

	import os
	import socket
	import fcntl
	import struct

	SIOCGIFFLAGS = 0x8913

	def get_terminal_size():
	""" pull the terminal size """
	""" rows,cols = vyos.ioctl.get_terminal_size() """
	columns, rows = os.get_terminal_size(0)
	return (rows,columns)

	def get_interface_flags(intf):
	""" Pull the SIOCGIFFLAGS """
	nullif = '\0'*256
	sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
	raw = fcntl.ioctl(sock.fileno(), SIOCGIFFLAGS, intf + nullif)
	flags, = struct.unpack('H', raw[16:18])
	return flags