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;
}
int
ACE_SSL_SOCK_Acceptor::shared_accept_finish (ACE_SSL_SOCK_Stream& new_stream,
int in_blocking_mode,
int reset_new_handle) const
{
ACE_TRACE ("ACE_SSL_SOCK_Acceptor::shared_accept_finish ()");
ACE_HANDLE new_handle = new_stream.get_handle ();
// Check to see if we were originally in blocking mode, and if so,
// set the <new_stream>'s handle and <this> handle to be in blocking
// mode.
if (in_blocking_mode)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
// Only disable ACE_NONBLOCK if we weren't in non-blocking mode
// originally.
ACE::clr_flags (this->get_handle (),
ACE_NONBLOCK);
ACE::clr_flags (new_handle,
ACE_NONBLOCK);
}
#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)
if (reset_new_handle)
// Reset the event association inherited by the new handle.
::WSAEventSelect ((SOCKET) new_handle, 0, 0);
#else
ACE_UNUSED_ARG (reset_new_handle);
#endif /* ACE_WIN32 */
if (new_handle == ACE_INVALID_HANDLE)
return -1;
return 0;
}
int
ACE_SSL_SOCK_Acceptor::ssl_accept (ACE_SSL_SOCK_Stream &new_stream,
ACE_Time_Value *timeout) const
{
SSL *ssl = new_stream.ssl ();
if (SSL_is_init_finished (ssl))
return 0;
if (!SSL_in_accept_init (ssl))
::SSL_set_accept_state (ssl);
// Register an event handler to complete the non-blocking SSL
// accept. A specialized event handler is necessary since since
// the ACE Acceptor strategies are not designed for protocols
// that require additional handshakes after the initial accept.
ACE_SSL_Accept_Handler eh (new_stream);
const ACE_Reactor_Mask reactor_mask =
ACE_Event_Handler::READ_MASK |
ACE_Event_Handler::WRITE_MASK;
// In case a thread other than the one running the Reactor event
// loop performs the passive SSL connection establishment, transfer
// ownership of the Reactor to the current thread. Control will be
// passed back to the previous owner when accepting or rejecting the
// passive SSL connection.
ACE_thread_t old_owner;
if (this->reactor_->owner (ACE_Thread::self (),
&old_owner) != 0)
return -1; // Failed to transfer ownership! Should never happen!
if (this->reactor_->register_handler (
new_stream.get_handle (),
&eh,
reactor_mask) == -1)
return -1;
// Have the Reactor complete the SSL passive connection. Run the
// event loop until the passive connection is completed. Since
// the Reactor is used, this isn't a busy wait.
while (!SSL_is_init_finished (ssl))
{
// Before blocking in the Reactor, do an SSL_accept() in case
// OpenSSL buffered additional data sent within an SSL record
// during session negotiation. The buffered data must be
// handled prior to entering the Reactor event loop since the
// Reactor may end up waiting indefinitely for data that has
// already arrived.
int status = ::SSL_accept (ssl);
switch (::SSL_get_error (ssl, status))
{
case SSL_ERROR_NONE:
break;
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_READ:
// No data buffered by OpenSSL, so wait for data in the
// Reactor.
if (this->reactor_->handle_events (timeout) == -1
|| new_stream.get_handle () == ACE_INVALID_HANDLE)
{
(void) this->reactor_->remove_handler (&eh, reactor_mask);
(void) this->reactor_->owner (old_owner);
return -1;
}
break;
case SSL_ERROR_ZERO_RETURN:
// The peer has notified us that it is shutting down via
// the SSL "close_notify" message so we need to
// shutdown, too.
//
// Removing the event handler from the Reactor causes the
// SSL stream to be shutdown.
(void) this->reactor_->remove_handler (&eh, reactor_mask);
(void) this->reactor_->owner (old_owner);
return -1;
case SSL_ERROR_SYSCALL:
// On some platforms (e.g. MS Windows) OpenSSL does not
// store the last error in errno so explicitly do so.
ACE_OS::set_errno_to_last_error ();
default:
ACE_SSL_Context::report_error ();
(void) this->reactor_->remove_handler (&eh, reactor_mask);
(void) this->reactor_->owner (old_owner);
return -1;
}
}
// SSL passive connection was completed. Deregister the event
// handler from the Reactor, but don't close it.
(void) this->reactor_->remove_handler (&eh,
reactor_mask |
ACE_Event_Handler::DONT_CALL);
// Transfer control of the Reactor to the previous owner.
return this->reactor_->owner (old_owner);
}
int
ACE_SSL_SOCK_Acceptor::ssl_accept (ACE_SSL_SOCK_Stream &new_stream,
ACE_Time_Value *timeout) const
{
SSL *ssl = new_stream.ssl ();
if (SSL_is_init_finished (ssl))
return 0;
if (!SSL_in_accept_init (ssl))
::SSL_set_accept_state (ssl);
ACE_HANDLE handle = new_stream.get_handle ();
// We're going to call SSL_accept, optionally doing ACE::select and
// retrying the SSL_accept, until the SSL handshake is done or
// it fails.
// To get the timeout affect, set the socket to nonblocking mode
// before beginning if there is a timeout specified. If the timeout
// is 0 (wait as long as it takes) then don't worry about the blocking
// status; we'll block in SSL_accept if the socket is blocking, and
// block in ACE::select if not.
int reset_blocking_mode = 0;
if (timeout != 0)
{
reset_blocking_mode = ACE_BIT_DISABLED (ACE::get_flags (handle),
ACE_NONBLOCK);
// Set the handle into non-blocking mode if it's not already
// in it.
if (reset_blocking_mode
&& ACE::set_flags (handle,
ACE_NONBLOCK) == -1)
return -1;
}
// Take into account the time between each select() call below.
ACE_Countdown_Time countdown (timeout);
int status;
do
{
// These handle sets are used to set up for whatever SSL_accept
// says it wants next. They're reset on each pass around the loop.
ACE_Handle_Set rd_handle;
ACE_Handle_Set wr_handle;
status = ::SSL_accept (ssl);
switch (::SSL_get_error (ssl, status))
{
case SSL_ERROR_NONE:
status = 0; // To tell caller about success
break; // Done
case SSL_ERROR_WANT_WRITE:
wr_handle.set_bit (handle);
status = 1; // Wait for more activity
break;
case SSL_ERROR_WANT_READ:
rd_handle.set_bit (handle);
status = 1; // Wait for more activity
break;
case SSL_ERROR_ZERO_RETURN:
// The peer has notified us that it is shutting down via
// the SSL "close_notify" message so we need to
// shutdown, too.
status = -1;
break;
case SSL_ERROR_SYSCALL:
// On some platforms (e.g. MS Windows) OpenSSL does not
// store the last error in errno so explicitly do so.
//
// Explicitly check for EWOULDBLOCK since it doesn't get
// converted to an SSL_ERROR_WANT_{READ,WRITE} on some
// platforms. If SSL_accept failed outright, though, don't
// bother checking more. This can happen if the socket gets
// closed during the handshake.
if (ACE_OS::set_errno_to_last_error () == EWOULDBLOCK &&
status == -1)
{
// Although the SSL_ERROR_WANT_READ/WRITE isn't getting
// set correctly, the read/write state should be valid.
// Use that to decide what to do.
status = 1; // Wait for more activity
if (SSL_want_write (ssl))
wr_handle.set_bit (handle);
else if (SSL_want_read (ssl))
rd_handle.set_bit (handle);
else
status = -1; // Doesn't want anything - bail out
}
else
status = -1;
break;
default:
ACE_SSL_Context::report_error ();
status = -1;
break;
}
if (status == 1)
{
// Must have at least one handle to wait for at this point.
ACE_ASSERT (rd_handle.num_set() == 1 || wr_handle.num_set () == 1);
status = ACE::select (int (handle) + 1,
&rd_handle,
&wr_handle,
0,
timeout);
(void) countdown.update ();
// 0 is timeout, so we're done.
// -1 is error, so we're done.
// Could be both handles set (same handle in both masks) so
// set to 1.
if (status >= 1)
status = 1;
else // Timeout or failure
status = -1;
}
} while (status == 1 && !SSL_is_init_finished (ssl));
if (reset_blocking_mode)
{
ACE_Errno_Guard eguard (errno);
ACE::clr_flags (handle, ACE_NONBLOCK);
}
return (status == -1 ? -1 : 0);
}
