Beispiel #1
0
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()
Beispiel #2
0
#!/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)