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
63
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import logging
import os
import socket
from collections.abc import Callable
from typing import Dict
from filelock import FileLock
log = logging.getLogger(__name__)
def alloc_port_set(port_specs: Dict[str, int]) -> Dict[str, int]:
socks = []
ports = {}
for name, ptype in port_specs.items():
try:
s = socket.socket(type=ptype)
s.bind(('', 0))
ports[name] = s.getsockname()[1]
socks.append(s)
except Exception as e:
raise e
for s in socks:
s.close()
return ports
def alloc_ports_and_do(port_spec: Dict[str, int],
do_func: Callable[[Dict[str, int]], bool],
gen_dir, max_tries=1) -> bool:
lock_file = os.path.join(gen_dir, 'ports.lock')
with FileLock(lock_file):
for _ in range(max_tries):
port_set = alloc_port_set(port_spec)
if do_func(port_set):
return True
return False
|
