Function _check_netstat

sshuttle/hostwatch.py:162–184

()

def _check_netstat():
    debug2(' > netstat')
    argv = ['netstat', '-n']
    try:
        p = ssubprocess.Popen(argv, stdout=ssubprocess.PIPE, stderr=null,
                              env=get_env())
        content = p.stdout.read().decode("ASCII")
        p.wait()
    except OSError:
        _, e = sys.exc_info()[:2]
        log('%r failed: %r' % (argv, e))
        return

    # The same IPs may appear multiple times. Consolidate them so the
    # debug message doesn't print the same IP repeatedly.
    ip_list = []
    for ip in re.findall(r'\d+\.\d+\.\d+\.\d+', content):
        if ip not in ip_list:
            ip_list.append(ip)

    for ip in sorted(ip_list):
        debug3('<    %s' % ip)
        check_host(ip)


def check_host(hostname):