if __name__ == '__main__':
listenfd = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
# empty string means INADDR_ANY
servaddr = ('', const.SERV_PORT)
listenfd.bind(servaddr)
listenfd.listen(const.LISTENQ)
signal.signal(signal.SIGCHLD, sig_chld)
while True:
try:
connfd, remote_addr = listenfd.accept()
except socket.error as e:
if e.errno == errno.EINTR:
continue
else:
tools.err_sys(e, msg="accept error")
if not os.fork():
# close listen fd in child process
# not actual close, just minus its reference count
# by one
listenfd.close()
tools.str_echo(connfd)
connfd.close()
sys.exit(0)
connfd.close()
#!/usr/bin/env python
# vim: set fileencoding=utf-8 :
from __future__ import (unicode_literals, absolute_import,
division, print_function)
import sys
import socket
sys.path.append('..')
from misc import constants as const
from misc import tools
if __name__ == '__main__':
try:
ip = sys.argv[1]
except IndexError:
tools.err_quit(msg="usage: %s <IPAddress>" % (sys.argv[0],))
servaddr = (ip, const.SERV_PORT)
sockfd = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
try:
sockfd.connect(servaddr)
except socket.error as e:
tools.err_sys(e, msg="connect error")
tools.str_cli(sys.stdin, sockfd)