mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
7e8a590377
Bind and connect to localhost. There is no reason for this test to use non-localhost interface. This lets us run this test in a network namespace. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
80 lines
1.7 KiB
Python
Executable file
80 lines
1.7 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
|
|
import sys, os, os.path, getopt
|
|
import socket, time
|
|
import subprocess
|
|
import select
|
|
|
|
def read(sock, n):
|
|
buf = b''
|
|
while len(buf) < n:
|
|
rem = n - len(buf)
|
|
try: s = sock.recv(rem)
|
|
except (socket.error) as e: return b''
|
|
buf += s
|
|
return buf
|
|
|
|
def send(sock, s):
|
|
total = len(s)
|
|
count = 0
|
|
while count < total:
|
|
try: n = sock.send(s)
|
|
except (socket.error) as e: n = 0
|
|
if n == 0:
|
|
return count;
|
|
count += n
|
|
return count
|
|
|
|
|
|
SERVER_PORT = 12877
|
|
MAX_PORTS = 2
|
|
|
|
serverPort = SERVER_PORT
|
|
serverSocket = None
|
|
|
|
# create passive socket
|
|
serverSocket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
|
|
|
|
try: serverSocket.bind(('localhost', 0))
|
|
except socket.error as msg:
|
|
print('bind fails: ' + str(msg))
|
|
|
|
sn = serverSocket.getsockname()
|
|
serverPort = sn[1]
|
|
|
|
cmdStr = ("./tcp_client.py %d &") % (serverPort)
|
|
os.system(cmdStr)
|
|
|
|
buf = b''
|
|
n = 0
|
|
while n < 500:
|
|
buf += b'.'
|
|
n += 1
|
|
|
|
serverSocket.listen(MAX_PORTS)
|
|
readList = [serverSocket]
|
|
|
|
while True:
|
|
readyRead, readyWrite, inError = \
|
|
select.select(readList, [], [], 2)
|
|
|
|
if len(readyRead) > 0:
|
|
waitCount = 0
|
|
for sock in readyRead:
|
|
if sock == serverSocket:
|
|
(clientSocket, address) = serverSocket.accept()
|
|
address = str(address[0])
|
|
readList.append(clientSocket)
|
|
else:
|
|
sock.settimeout(1);
|
|
s = read(sock, 1000)
|
|
n = send(sock, buf)
|
|
sock.close()
|
|
serverSocket.close()
|
|
sys.exit(0)
|
|
else:
|
|
print('Select timeout!')
|
|
sys.exit(1)
|