1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#
# Copyright 2005 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
# random socket related stuff
import socket
import os
import sys
def tcp_connect_or_die(sock_addr):
"""
Args:
sock_addr: (host, port) to connect to (tuple)
Returns:
: socket or exits
"""
s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
try:
s.connect(sock_addr)
except socket.error, err:
sys.stderr.write('Failed to connect to %s: %s\n' %
(sock_addr, os.strerror (err.args[0]),))
sys.exit(1)
return s
def udp_connect_or_die(sock_addr):
"""
Args:
sock_addr: (host, port) to connect to (tuple)
Returns:
: socket or exits
"""
s = socket.socket (socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect(sock_addr)
except socket.error, err:
sys.stderr.write('Failed to connect to %s: %s\n' %
(sock_addr, os.strerror (err.args[0]),))
sys.exit(1)
return s
|
