mirror of
https://gitflic.ru/project/openide/openide.git
synced 2025-12-16 22:51:17 +07:00
70ce4ed4b4
(cherry picked from commit 26c6ffdb2e37b46b23a332ea677db92de7756fcc) GitOrigin-RevId: 837102a9ca6852fd4426518f0b8afe4b0e1228ac
81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
from _pydevd_bundle import pydevd_constants
|
|
from _pydev_imps._pydev_saved_modules import socket
|
|
import sys
|
|
|
|
IS_JYTHON = sys.platform.find('java') != -1
|
|
|
|
_cache = None
|
|
|
|
|
|
def is_localhost(hostname):
|
|
# type: (str) -> bool
|
|
"""
|
|
Literally checks that specified hostname means local host.
|
|
This function does not perform DNS lookup.
|
|
Use it in combination with `get_localhost`.
|
|
|
|
:param hostname: Domain name or IPv4/IPv6 address.
|
|
:return: True if specified host is a local host.
|
|
"""
|
|
return hostname in ('localhost', 'localhost.localdomain', '127.0.0.1', '::1')
|
|
|
|
|
|
def get_localhost():
|
|
'''
|
|
Should return 127.0.0.1 in ipv4 and ::1 in ipv6
|
|
|
|
localhost is not used because on windows vista/windows 7, there can be issues where the resolving doesn't work
|
|
properly and takes a lot of time (had this issue on the pyunit server).
|
|
|
|
Using the IP directly solves the problem.
|
|
'''
|
|
# TODO: Needs better investigation!
|
|
|
|
global _cache
|
|
if _cache is None:
|
|
try:
|
|
for addr_info in socket.getaddrinfo("localhost", 80, 0, 0, socket.SOL_TCP):
|
|
config = addr_info[4]
|
|
if config[0] == '127.0.0.1':
|
|
_cache = '127.0.0.1'
|
|
return _cache
|
|
except:
|
|
# Ok, some versions of Python don't have getaddrinfo or SOL_TCP... Just consider it 127.0.0.1 in this case.
|
|
_cache = '127.0.0.1'
|
|
else:
|
|
_cache = 'localhost'
|
|
|
|
return _cache
|
|
|
|
|
|
def get_socket_names(n_sockets, close=False):
|
|
socket_names = []
|
|
sockets = []
|
|
for _ in range(n_sockets):
|
|
if IS_JYTHON:
|
|
# Although the option which would be pure java *should* work for Jython, the socket being returned is still 0
|
|
# (i.e.: it doesn't give the local port bound, only the original port, which was 0).
|
|
from java.net import ServerSocket
|
|
sock = ServerSocket(0)
|
|
socket_name = get_localhost(), sock.getLocalPort()
|
|
else:
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
sock.bind((get_localhost(), 0))
|
|
socket_name = sock.getsockname()
|
|
|
|
sockets.append(sock)
|
|
socket_names.append(socket_name)
|
|
|
|
if close:
|
|
for s in sockets:
|
|
s.close()
|
|
return socket_names
|
|
|
|
|
|
def get_socket_name(close=False):
|
|
return get_socket_names(1, close)[0]
|
|
|
|
|
|
if __name__ == '__main__':
|
|
print(get_socket_name()) |