static ACE_THR_FUNC_RETURN
start_clients (void *)
{
  // Client thread function.
  ACE_INET_Addr addr (rendezvous);
  ACE_SSL_SOCK_Connector connect;

  for (size_t i = 0 ; i < cli_conn_no; i++)
    {
      ACE_SSL_SOCK_Stream stream;
      if (connect.connect (stream, addr) < 0)
        {
          ACE_ERROR ((LM_ERROR,
                      ACE_TEXT ("(%t) %p\n"),
                      ACE_TEXT ("connect")));
          continue;
        }

      Client_Handler *new_handler = 0;
      ACE_NEW_RETURN (new_handler, Client_Handler, (ACE_THR_FUNC_RETURN)-1);
      if (new_handler->open (stream.get_handle ()) != 0)
        {
          delete new_handler;
          stream.close ();
        }
    }

  return 0;
}
static ACE_THR_FUNC_RETURN
worker (void *)
{
  ACE_OS::sleep (3);
  const ACE_TCHAR *msg = ACE_TEXT ("Message from Connection worker");
  ACE_TCHAR buf [BUFSIZ];
  buf[0] = ACE_OS::strlen (msg) + 1;
  ACE_OS::strcpy (&buf[1], msg);

  ACE_INET_Addr addr (rendezvous);

  ACE_DEBUG((LM_DEBUG,
             "(%t) Spawning %d client threads...\n",
             cli_thrno));
  int grp = ACE_Thread_Manager::instance ()->spawn_n (cli_thrno,
                                                      &cli_worker,
                                                      buf);
  ACE_ASSERT (grp != -1);

  ACE_Thread_Manager::instance ()->wait_grp (grp);

  ACE_DEBUG ((LM_DEBUG,
              "(%t) Client threads done; shutting down...\n"));
  ACE_SSL_SOCK_Stream stream;
  ACE_SSL_SOCK_Connector connect;

  if (connect.connect (stream, addr) == -1)
    ACE_ERROR ((LM_ERROR,
                "(%t) %p Error while connecting\n",
                "connect"));

  const ACE_TCHAR *sbuf = ACE_TEXT ("\011shutdown");

  ACE_DEBUG ((LM_DEBUG,
              "shutdown stream handle = %x\n",
              stream.get_handle ()));

  if (stream.send_n (sbuf, (ACE_OS::strlen (sbuf) + 1) * sizeof (ACE_TCHAR)) == -1)
    ACE_ERROR ((LM_ERROR,
                "(%t) %p\n",
                "send_n"));

  stream.close ();

  return 0;
}
static ACE_THR_FUNC_RETURN
cli_worker (void *arg)
{
  // Client thread function.
  ACE_INET_Addr addr (rendezvous);
  ACE_SSL_SOCK_Stream stream;
  ACE_SSL_SOCK_Connector connect;
  ACE_Time_Value delay (0, req_delay);
  size_t len = * reinterpret_cast<ACE_TCHAR *> (arg);

  for (size_t i = 0 ; i < cli_conn_no; i++)
    {
      if (connect.connect (stream, addr) < 0)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%t) %p\n",
                      "connect"));
          continue;
        }

      for (size_t j = 0; j < cli_req_no; j++)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "(%t) conn_worker handle 0x%x, req %d\n",
                      stream.get_handle (),
                      j+1));
          if (stream.send_n (arg,
                             (len + 1) * sizeof (ACE_TCHAR)) == -1)
            {
              ACE_ERROR ((LM_ERROR,
                          "(%t) %p\n",
                          "send_n"));
              continue;
            }
          ACE_OS::sleep (delay);
        }

      stream.close ();
    }

  return 0;
}