tools/testing/selftests/bpf/tcp_client.py

   1 #!/usr/bin/env python2
   2 #
   3 # SPDX-License-Identifier: GPL-2.0
   4 #
   5
   6 import sys, os, os.path, getopt
   7 import socket, time
   8 import subprocess
   9 import select
  10
  11 def read(sock, n):
  12     buf = ''
  13     while len(buf) < n:
  14         rem = n - len(buf)
  15         try: s = sock.recv(rem)
  16         except (socket.error), e: return ''
  17         buf += s
  18     return buf
  19
  20 def send(sock, s):
  21     total = len(s)
  22     count = 0
  23     while count < total:
  24         try: n = sock.send(s)
  25         except (socket.error), e: n = 0
  26         if n == 0:
  27             return count;
  28         count += n
  29     return count
  30
  31
  32 serverPort = int(sys.argv[1])
  33 HostName = socket.gethostname()
  34
  35 # create active socket
  36 sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
  37 try:
  38     sock.connect((HostName, serverPort))
  39 except socket.error as e:
  40     sys.exit(1)
  41
  42 buf = ''
  43 n = 0
  44 while n < 1000:
  45     buf += '+'
  46     n += 1
  47
  48 sock.settimeout(1);
  49 n = send(sock, buf)
  50 n = read(sock, 500)
  51 sys.exit(0)