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// $Id$
#include "SSLIOP_Connection_Handler.h"
#include "SSLIOP_Current.h"
#include "SSLIOP_Endpoint.h"
#include "tao/Timeprobe.h"
#include "tao/debug.h"
#include "tao/Base_Transport_Property.h"
#include "tao/ORB_Core.h"
#include "tao/ORB.h"
#include "tao/CDR.h"
#include "tao/Messaging_Policy_i.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/IIOP_Endpoint.h"
#if !defined (__ACE_INLINE__)
# include "SSLIOP_Connection_Handler.i"
#endif /* ! __ACE_INLINE__ */
ACE_RCSID (TAO_SSLIOP,
SSLIOP_Connection_Handler,
"$Id$")
// ****************************************************************
TAO_SSLIOP_Connection_Handler::TAO_SSLIOP_Connection_Handler (
ACE_Thread_Manager *t)
: TAO_SSL_SVC_HANDLER (t, 0 , 0),
TAO_Connection_Handler (0),
current_ (),
current_impl_ (),
pending_upcalls_ (1),
tcp_properties_ (0)
{
// This constructor should *never* get called, it is just here to
// make the compiler happy: the default implementation of the
// Creation_Strategy requires a constructor with that signature, we
// don't use that implementation, but some (most?) compilers
// instantiate it anyway.
ACE_ASSERT (this->orb_core () != 0);
}
TAO_SSLIOP_Connection_Handler::TAO_SSLIOP_Connection_Handler (
TAO_ORB_Core *orb_core,
CORBA::Boolean /* flag */, // SSLIOP does *not* suport GIOPlite
void *arg)
: TAO_SSL_SVC_HANDLER (orb_core->thr_mgr (), 0, 0),
TAO_Connection_Handler (orb_core),
current_ (),
current_impl_ (),
pending_upcalls_ (1),
tcp_properties_ (ACE_static_cast
(TAO_IIOP_Properties *, arg))
{
TAO_SSLIOP_Transport* specific_transport = 0;
ACE_NEW (specific_transport,
TAO_SSLIOP_Transport (this, orb_core, 0));
// store this pointer (indirectly increment ref count)
this->transport (specific_transport);
TAO_Transport::release (specific_transport);
}
TAO_SSLIOP_Connection_Handler::
~TAO_SSLIOP_Connection_Handler (void)
{
if (this->transport () != 0)
{
// If the socket has not already been closed.
if (this->get_handle () != ACE_INVALID_HANDLE)
{
// Cannot deal with errors, and therefore they are ignored.
this->transport ()->send_buffered_messages ();
}
else
{
// Dequeue messages and delete message blocks.
this->transport ()->dequeue_all ();
}
}
}
int
TAO_SSLIOP_Connection_Handler::open (void *)
{
if (this->set_socket_option (this->peer (),
tcp_properties_->send_buffer_size,
tcp_properties_->recv_buffer_size)
== -1)
return -1;
#if !defined (ACE_LACKS_TCP_NODELAY)
if (this->peer ().set_option (ACE_IPPROTO_TCP,
TCP_NODELAY,
(void *)
&this->tcp_properties_->no_delay,
sizeof (int)) == -1)
return -1;
#endif /* ! ACE_LACKS_TCP_NODELAY */
if (this->transport ()->wait_strategy ()->non_blocking ())
{
if (this->peer ().enable (ACE_NONBLOCK) == -1)
return -1;
}
// Called by the <Strategy_Acceptor> when the handler is
// completely connected.
ACE_INET_Addr addr;
if (this->peer ().get_remote_addr (addr) == -1)
return -1;
char client[MAXHOSTNAMELEN + 16];
if (addr.addr_to_string (client, sizeof (client)) == -1)
return -1;
if (TAO_debug_level > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) SSLIOP connection from ")
ACE_TEXT ("client <%s> on %d\n"),
client,
this->peer ().get_handle ()));
}
// Set the id in the transport now that we're active.
this->transport ()->id ((int) this->get_handle ());
return 0;
}
int
TAO_SSLIOP_Connection_Handler::activate (long flags,
int n_threads,
int force_active,
long priority,
int grp_id,
ACE_Task_Base *task,
ACE_hthread_t thread_handles[],
void *stack[],
size_t stack_size[],
ACE_thread_t thread_names[])
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) ")
ACE_TEXT ("SSLIOP_Connection_Handler::activate %d ")
ACE_TEXT ("threads, flags = %d\n"),
n_threads,
flags,
THR_BOUND));
// Set the id in the transport now that we're active.
this->transport ()->id ((int) this->get_handle ());
return TAO_SSL_SVC_HANDLER::activate (flags,
n_threads,
force_active,
priority,
grp_id,
task,
thread_handles,
stack,
stack_size,
thread_names);
}
int
TAO_SSLIOP_Connection_Handler::svc (void)
{
// This method is called when an instance is "activated", i.e.,
// turned into an active object. Presumably, activation spawns a
// thread with this method as the "worker function".
// Clear the non-blocking mode here
ACE_Flag_Manip::clr_flags (this->get_handle (),
ACE_NONBLOCK);
// Call the implementation here
return this->svc_i ();
}
int
TAO_SSLIOP_Connection_Handler::handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask rm)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) SSLIOP_Server_Connection_Handler::handle_close "
"(%d, %d)\n",
handle,
rm));
--this->pending_upcalls_;
if (this->pending_upcalls_ <= 0)
{
if (this->is_registered ())
{
// Make sure there are no timers.
this->reactor ()->cancel_timer (this);
// Set the flag to indicate that it is no longer registered with
// the reactor, so that it isn't included in the set that is
// passed to the reactor on ORB destruction.
this->is_registered (0);
}
// Close the handle..
if (this->get_handle () != ACE_INVALID_HANDLE)
{
// Send the buffered messages first
this->transport ()->send_buffered_messages ();
// Purge the entry too
this->transport ()->mark_invalid ();
// Signal the transport that we will no longer have
// a reference to it. This will eventually call
// TAO_Transport::release ().
this->transport (0);
}
// Follow usual Reactor-style lifecycle semantics and commit
// suicide.
this->destroy ();
}
return 0;
}
ACE_HANDLE
TAO_SSLIOP_Connection_Handler::fetch_handle (void)
{
return this->get_handle ();
}
int
TAO_SSLIOP_Connection_Handler::handle_timeout (const ACE_Time_Value &,
const void *)
{
// This method is called when buffering timer expires.
//
ACE_Time_Value *max_wait_time = 0;
TAO_Stub *stub = 0;
int has_timeout;
this->orb_core ()->call_timeout_hook (stub,
has_timeout,
*max_wait_time);
// Cannot deal with errors, and therefore they are ignored.
this->transport ()->send_buffered_messages (max_wait_time);
return 0;
}
int
TAO_SSLIOP_Connection_Handler::add_transport_to_cache (void)
{
ACE_INET_Addr addr;
// Get the peername.
if (this->peer ().get_remote_addr (addr) == -1)
return -1;
// Construct an IIOP_Endpoint object
TAO_IIOP_Endpoint tmpoint (addr,
0);
TAO_SSLIOP_Endpoint endpoint (0,
&tmpoint);
// Construct a property object
TAO_Base_Transport_Property prop (&endpoint);
// Add the handler to Cache
return this->orb_core ()->transport_cache ().cache_transport (&prop,
this->transport ());
}
int
TAO_SSLIOP_Connection_Handler::process_listen_point_list (
IIOP::ListenPointList &listen_list)
{
// Get the size of the list
CORBA::ULong len = listen_list.length ();
for (CORBA::ULong i = 0; i < len; ++ i)
{
IIOP::ListenPoint listen_point = listen_list[i];
ACE_INET_Addr addr (listen_point.port,
listen_point.host.in ());
// Construct an IIOP_Endpoint object
TAO_IIOP_Endpoint tmpoint (addr,
0);
// Construct an IIOP_Endpoint object
TAO_SSLIOP_Endpoint endpoint (0,
&tmpoint);
// Construct a property object
TAO_Base_Transport_Property prop (&endpoint);
// Mark the connection as bidirectional
prop.set_bidir_flag (1);
// The property for this handler has changed. Recache the
// handler with this property
int retval = this->transport ()->recache_transport (&prop);
if (retval == -1)
return retval;
// Make the handler idle and ready for use
this->transport ()->make_idle ();
}
return 0;
}
int
TAO_SSLIOP_Connection_Handler::handle_input (ACE_HANDLE h)
{
return this->handle_input_i (h);
}
int
TAO_SSLIOP_Connection_Handler::handle_input_i (ACE_HANDLE,
ACE_Time_Value *max_wait_time)
{
int result;
// Set up the SSLIOP::Current object.
TAO_SSL_State_Guard ssl_state_guard (this,
this->orb_core (),
result);
if (result == -1)
return -1;
this->pending_upcalls_++;
// Call the transport read the message
result = this->transport ()->read_process_message (max_wait_time);
// Now the message has been read
if (result == -1 && TAO_debug_level > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) - %p\n"),
ACE_TEXT ("IIOP_Connection_Handler::read_message \n")));
}
// The upcall is done. Bump down the reference count
if (--this->pending_upcalls_ <= 0)
result = -1;
if (result == 0 || result == -1)
{
return result;
}
return 0;
}
int
TAO_SSLIOP_Connection_Handler::setup_ssl_state (TAO_ORB_Core *orb_core)
{
// Make sure we have a valid reference to the SSLIOP::Current
// object.
if (CORBA::is_nil (this->current_.in ()))
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
CORBA::Object_var object =
orb_core->orb ()->resolve_initial_references (
"SSLIOPCurrent",
ACE_TRY_ENV);
ACE_TRY_CHECK;
this->current_ = SSLIOP::Current::_narrow (object.in (),
ACE_TRY_ENV);
ACE_TRY_CHECK;
if (CORBA::is_nil (this->current_.in ()))
ACE_TRY_THROW (CORBA::INV_OBJREF ());
}
ACE_CATCHANY
{
if (TAO_debug_level > 0)
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Could not resolve "
"\"SSLIOPCurrent\" object");
return -1;
}
ACE_ENDTRY;
ACE_CHECK_RETURN (-1);
}
TAO_SSLIOP_Current *current =
ACE_dynamic_cast (TAO_SSLIOP_Current *,
this->current_.in ());
if (current == 0) // Sanity check
return -1;
// Make the SSL session state available to the SSLIOP::Current
// TSS object.
this->current_impl_.ssl (this->peer ().ssl ());
current->setup (&this->current_impl_);
return 0;
}
void
TAO_SSLIOP_Connection_Handler::teardown_ssl_state (void)
{
TAO_SSLIOP_Current *current =
ACE_dynamic_cast (TAO_SSLIOP_Current *,
this->current_.in ());
if (current != 0)
current->teardown ();
}
// ****************************************************************
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Svc_Handler<ACE_SSL_SOCK_STREAM, ACE_NULL_SYNCH>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Svc_Handler<ACE_SSL_SOCK_STREAM, ACE_NULL_SYNCH>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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