| #!/usr/bin/env python3 |
| # |
| # BitBake Toaster Implementation |
| # |
| # Copyright (C) 2015 Intel Corporation |
| # |
| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| |
| """Custom management command checksocket.""" |
| |
| import errno |
| import socket |
| |
| from django.core.management.base import BaseCommand, CommandError |
| from django.utils.encoding import force_text |
| |
| DEFAULT_ADDRPORT = "0.0.0.0:8000" |
| |
| class Command(BaseCommand): |
| """Custom management command.""" |
| |
| help = 'Check if Toaster can listen on address:port' |
| |
| def add_arguments(self, parser): |
| parser.add_argument('addrport', nargs='?', default=DEFAULT_ADDRPORT, |
| help='ipaddr:port to check, %s by default' % \ |
| DEFAULT_ADDRPORT) |
| |
| def handle(self, *args, **options): |
| addrport = options['addrport'] |
| if ':' not in addrport: |
| raise CommandError('Invalid addr:port specified: %s' % addrport) |
| splitted = addrport.split(':') |
| try: |
| splitted[1] = int(splitted[1]) |
| except ValueError: |
| raise CommandError('Invalid port specified: %s' % splitted[1]) |
| self.stdout.write('Check if toaster can listen on %s' % addrport) |
| try: |
| sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
| sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) |
| sock.bind(tuple(splitted)) |
| except (socket.error, OverflowError) as err: |
| errors = { |
| errno.EACCES: 'You don\'t have permission to access port %s' \ |
| % splitted[1], |
| errno.EADDRINUSE: 'Port %s is already in use' % splitted[1], |
| errno.EADDRNOTAVAIL: 'IP address can\'t be assigned to', |
| } |
| if hasattr(err, 'errno') and err.errno in errors: |
| errtext = errors[err.errno] |
| else: |
| errtext = force_text(err) |
| raise CommandError(errtext) |
| |
| self.stdout.write("OK") |