diff options
| -rw-r--r-- | python/vyos/iflag.py | 38 | ||||
| -rw-r--r-- | python/vyos/interface.py | 9 | ||||
| -rw-r--r-- | python/vyos/ioctl.py | 34 |
3 files changed, 81 insertions, 0 deletions
diff --git a/python/vyos/iflag.py b/python/vyos/iflag.py new file mode 100644 index 000000000..7ff8e5623 --- /dev/null +++ b/python/vyos/iflag.py @@ -0,0 +1,38 @@ +# Copyright 2019 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/>. + +from enum import Enum, unique, IntEnum + + +class IFlag(IntEnum): + """ net/if.h interface flags """ + + IFF_UP = 0x1 #: Interface up/down status + IFF_BROADCAST = 0x2 #: Broadcast address valid + IFF_DEBUG = 0x4, #: Debugging + IFF_LOOPBACK = 0x8 #: Is loopback network + IFF_POINTOPOINT = 0x10 #: Is point-to-point link + IFF_NOTRAILERS = 0x20 #: Avoid use of trailers + IFF_RUNNING = 0x40 #: Resources allocated + IFF_NOARP = 0x80 #: No address resolution protocol + IFF_PROMISC = 0x100 #: Promiscuous mode + IFF_ALLMULTI = 0x200 #: Receive all multicast + IFF_MASTER = 0x400 #: Load balancer master + IFF_SLAVE = 0x800 #: Load balancer slave + IFF_MULTICAST = 0x1000 #: Supports multicast + IFF_PORTSEL = 0x2000 #: Media type adjustable + IFF_AUTOMEDIA = 0x4000 #: Automatic media type enabled + IFF_DYNAMIC = 0x8000 #: Is a dial-up device with dynamic address + diff --git a/python/vyos/interface.py b/python/vyos/interface.py index 1aae6db60..cc726e5cc 100644 --- a/python/vyos/interface.py +++ b/python/vyos/interface.py @@ -16,6 +16,8 @@ import vyos from vyos.config import Config import vyos.interfaces +import vyos.ioctl +from vyos.iflag import IFlag import re import json @@ -33,11 +35,18 @@ class Interface(): intf = None intf_type = None valid = False + flags = None def __init__(self,intf): self.intf = intf self.intf_type = vyos.interfaces.get_type_of_interface(self.intf) self.valid = (self.intf in vyos.interfaces.list_interfaces()) + if (self.valid): + self.flags = vyos.ioctl.get_interface_flags(intf) + + def up(self): + """ return whether interface is up or not """ + return self.flags & IFlag.IFF_UP def print_interface(self): diff --git a/python/vyos/ioctl.py b/python/vyos/ioctl.py new file mode 100644 index 000000000..e57d261e4 --- /dev/null +++ b/python/vyos/ioctl.py @@ -0,0 +1,34 @@ +# Copyright 2019 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 fcntl, struct, sys +from socket import * + +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(AF_INET, SOCK_DGRAM) + raw = fcntl.ioctl(sock.fileno(), SIOCGIFFLAGS, intf + nullif) + flags, = struct.unpack('H', raw[16:18]) + return flags |