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#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# 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")
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