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// $Id$
#include "SHMIOP_Connection_Handler.h"
#if defined (TAO_HAS_SHMIOP) && (TAO_HAS_SHMIOP != 0)
#include "tao/Timeprobe.h"
#include "tao/debug.h"
#include "tao/ORB_Core.h"
#include "tao/ORB.h"
#include "tao/CDR.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/Base_Transport_Property.h"
#include "tao/Transport_Cache_Manager.h"
#include "tao/Thread_Lane_Resources.h"
#include "SHMIOP_Endpoint.h"
#include "tao/Resume_Handle.h"
#if !defined (__ACE_INLINE__)
# include "SHMIOP_Connection_Handler.inl"
#endif /* ! __ACE_INLINE__ */
#include "ace/os_include/netinet/os_tcp.h"
#include "ace/os_include/os_netdb.h"
#include "ace/os_include/netinet/os_tcp.h"
ACE_RCSID (Strategies,
SHMIOP_Connection_Handler,
"$Id$")
TAO_SHMIOP_Connection_Handler::TAO_SHMIOP_Connection_Handler (ACE_Thread_Manager *t)
: TAO_SHMIOP_SVC_HANDLER (t, 0 , 0),
TAO_Connection_Handler (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 (0);
}
TAO_SHMIOP_Connection_Handler::TAO_SHMIOP_Connection_Handler (TAO_ORB_Core *orb_core,
CORBA::Boolean flag,
void *)
: TAO_SHMIOP_SVC_HANDLER (orb_core->thr_mgr (), 0, 0),
TAO_Connection_Handler (orb_core)
{
TAO_SHMIOP_Transport* specific_transport = 0;
ACE_NEW (specific_transport,
TAO_SHMIOP_Transport(this, orb_core, flag));
// store this pointer (indirectly increment ref count)
this->transport (specific_transport);
}
TAO_SHMIOP_Connection_Handler::~TAO_SHMIOP_Connection_Handler (void)
{
delete this->transport ();
}
int
TAO_SHMIOP_Connection_Handler::open_handler (void *v)
{
return this->open (v);
}
int
TAO_SHMIOP_Connection_Handler::open (void*)
{
if (this->set_socket_option (this->peer (),
this->orb_core ()->orb_params ()->sock_sndbuf_size (),
this->orb_core ()->orb_params ()->sock_rcvbuf_size ())
== -1)
return -1;
#if !defined (ACE_LACKS_TCP_NODELAY)
int nodelay =
this->orb_core ()->orb_params ()->nodelay ();
if (this->peer ().set_option (ACE_IPPROTO_TCP,
TCP_NODELAY,
(void *) &nodelay,
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;
ACE_TCHAR client[MAXHOSTNAMELEN + 16];
// Get the peername.
if (this->peer ().get_remote_addr (addr) == -1)
return -1;
// Verify that we can resolve the peer hostname.
else 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) SHMIOP connection from client")
ACE_TEXT ("<%s> on %d\n"),
client, this->peer ().get_handle ()));
}
// Set that the transport is now connected, if fails we return -1
// Use C-style cast b/c otherwise we get warnings on lots of
// compilers
if (!this->transport ()->post_open ((size_t) this->get_handle ()))
return -1;
// Not needed, anyway
this->state_changed (TAO_LF_Event::LFS_SUCCESS);
return 0;
}
int
TAO_SHMIOP_Connection_Handler::resume_handler (void)
{
return ACE_Event_Handler::ACE_APPLICATION_RESUMES_HANDLER;
}
int
TAO_SHMIOP_Connection_Handler::close_connection (void)
{
return this->close_connection_eh (this);
}
int
TAO_SHMIOP_Connection_Handler::handle_input (ACE_HANDLE h)
{
return this->handle_input_eh (h, this);
}
int
TAO_SHMIOP_Connection_Handler::handle_output (ACE_HANDLE handle)
{
int result =
this->handle_output_eh (handle, this);
if (result == -1)
{
this->close_connection ();
return 0;
}
return result;
}
int
TAO_SHMIOP_Connection_Handler::handle_timeout (const ACE_Time_Value &,
const void *)
{
// We don't use this upcall for I/O. This is only used by the
// Connector to indicate that the connection timedout. Therefore,
// we should call close().
return this->close ();
}
int
TAO_SHMIOP_Connection_Handler::handle_close (ACE_HANDLE,
ACE_Reactor_Mask)
{
ACE_ASSERT (0);
return 0;
}
int
TAO_SHMIOP_Connection_Handler::close (u_long)
{
return this->close_handler ();
}
int
TAO_SHMIOP_Connection_Handler::release_os_resources (void)
{
return this->peer().close ();
}
int
TAO_SHMIOP_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 SHMIOP_Endpoint object
TAO_SHMIOP_Endpoint endpoint (
addr,
this->orb_core()->orb_params()->use_dotted_decimal_addresses ());
// Construct a property object
TAO_Base_Transport_Property prop (&endpoint);
TAO_Transport_Cache_Manager &cache =
this->orb_core ()->lane_resources ().transport_cache ();
// Add the handler to Cache
return cache.cache_idle_transport (&prop,
this->transport ());
}
// ****************************************************************
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Svc_Handler<ACE_MEM_STREAM, ACE_NULL_SYNCH>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Svc_Handler<ACE_MEM_STREAM, ACE_NULL_SYNCH>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
#endif /*(TAO_HAS_SHMIOP) && (TAO_HAS_SHMIOP != 0) */
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