xref: /freebsd/tests/sys/common/net_receiver.py (revision e17f5b1d)
1#!/usr/bin/env python
2# -
3# SPDX-License-Identifier: BSD-2-Clause
4#
5# Copyright (c) 2020 Alexander V. Chernikov
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29#
30
31
32from functools import partial
33import socket
34import select
35import argparse
36import time
37
38
39def parse_args():
40    parser = argparse.ArgumentParser(description='divert socket tester')
41    parser.add_argument('--sip', type=str, default='', help='IP to listen on')
42    parser.add_argument('--family', type=str, help='inet/inet6')
43    parser.add_argument('--ports', type=str, help='packet ports 1,2,3')
44    parser.add_argument('--match_str', type=str, help='match string to use')
45    parser.add_argument('--count', type=int, default=1,
46                        help='Number of messages to receive')
47    parser.add_argument('--test_name', type=str, required=True,
48                        help='test name to run')
49    return parser.parse_args()
50
51
52def test_listen_tcp(args):
53    if args.family == 'inet6':
54        fam = socket.AF_INET6
55    else:
56        fam = socket.AF_INET
57    sockets = []
58    ports = [int(port) for port in args.ports.split(',')]
59    for port in ports:
60        s = socket.socket(fam, socket.SOCK_STREAM)
61        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
62        s.setblocking(0)
63        s.bind((args.sip, port))
64        print('binding on {}:{}'.format(args.sip, port))
65        s.listen(5)
66        sockets.append(s)
67    inputs = sockets
68    count = 0
69    while count < args.count:
70        readable, writable, exceptional = select.select(inputs, [], inputs)
71        for s in readable:
72            (c, address) = s.accept()
73            print('C: {}'.format(address))
74            data = c.recv(9000)
75            if args.match_str and args.match_str.encode('utf-8') != data:
76                raise Exception('Expected "{}" but got "{}"'.format(
77                    args.match_str, data.decode('utf-8')))
78            count += 1
79            c.close()
80
81
82def test_listen_udp(args):
83    if args.family == 'inet6':
84        fam = socket.AF_INET6
85    else:
86        fam = socket.AF_INET
87    sockets = []
88    ports = [int(port) for port in args.ports.split(',')]
89    for port in ports:
90        s = socket.socket(fam, socket.SOCK_DGRAM)
91        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
92        s.setblocking(0)
93        s.bind((args.sip, port))
94        print('binding on {}:{}'.format(args.sip, port))
95        sockets.append(s)
96    inputs = sockets
97    count = 0
98    while count < args.count:
99        readable, writable, exceptional = select.select(inputs, [], inputs)
100        for s in readable:
101            (data, address) = s.recvfrom(9000)
102            print('C: {}'.format(address))
103            if args.match_str and args.match_str.encode('utf-8') != data:
104                raise Exception('Expected "{}" but got "{}"'.format(
105                    args.match_str, data.decode('utf-8')))
106            count += 1
107
108
109def main():
110    args = parse_args()
111    test_ptr = globals()[args.test_name]
112    test_ptr(args)
113
114
115if __name__ == '__main__':
116    main()
117