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//$Id$
#include "tao/Connection_Handler.h"
#include "tao/ORB_Core.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/debug.h"
#include "tao/Object.h"
#include "Resume_Handle.h"
#if !defined (__ACE_INLINE__)
#include "tao/Connection_Handler.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(tao, Connection_Handler, "$Id$")
TAO_Connection_Handler::TAO_Connection_Handler (TAO_ORB_Core *orb_core)
:orb_core_ (orb_core),
transport_ (0),
tss_resources_ (orb_core->get_tss_resources ()),
pending_upcalls_ (1),
pending_upcall_lock_ (0)
{
// @@todo: We need to have a distinct option/ method in the resource
// factory for this and TAO_Transport.
this->pending_upcall_lock_ =
this->orb_core_->resource_factory ()->create_cached_connection_lock ();
}
TAO_Connection_Handler::~TAO_Connection_Handler (void)
{
// Set some of the pointers that we hold to zero explicitly, so that
// nobody tries to access these
this->orb_core_ = 0;
this->tss_resources_ = 0;
TAO_Transport::release (this->transport_);
delete this->pending_upcall_lock_;
}
int
TAO_Connection_Handler::set_socket_option (ACE_SOCK &sock,
int snd_size,
int rcv_size)
{
#if !defined (ACE_LACKS_SOCKET_BUFSIZ)
if (sock.set_option (SOL_SOCKET,
SO_SNDBUF,
(void *) &snd_size,
sizeof (snd_size)) == -1
&& errno != ENOTSUP)
return -1;
else if (sock.set_option (SOL_SOCKET,
SO_RCVBUF,
(void *) &rcv_size,
sizeof (int)) == -1
&& errno != ENOTSUP)
return -1;
#else
ACE_UNUSED_ARG (snd_size);
ACE_UNUSED_ARG (rcv_size);
#endif /* !ACE_LACKS_SOCKET_BUFSIZ */
(void) sock.enable (ACE_CLOEXEC);
// Set the close-on-exec flag for that file descriptor. If the
// operation fails we are out of luck (some platforms do not support
// it and return -1).
return 0;
}
int
TAO_Connection_Handler::svc_i (void)
{
int result = 0;
// Inheriting the ORB_Core tss stuff from the parent thread.
this->orb_core_->inherit_from_parent_thread (this->tss_resources_);
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) TAO_Connection_Handler::svc_i begin\n")));
// Here we simply synthesize the "typical" event loop one might find
// in a reactive handler, except that this can simply block waiting
// for input.
ACE_Time_Value *max_wait_time = 0;
ACE_Time_Value timeout;
ACE_Time_Value current_timeout;
if (this->orb_core_->thread_per_connection_timeout (timeout))
{
current_timeout = timeout;
max_wait_time = ¤t_timeout;
}
TAO_Resume_Handle rh (this->orb_core_,
ACE_INVALID_HANDLE);
while (!this->orb_core_->has_shutdown ()
&& result >= 0)
{
result =
this->transport ()->handle_input_i (rh,
max_wait_time);
if (result == -1 && errno == ETIME)
{
// Ignore timeouts, they are only used to wake up and
// shutdown.
result = 0;
// Reset errno to make sure we don't trip over an old value
// of errno in case it is not reset when the recv() call
// fails if the socket has been closed.
errno = 0;
}
current_timeout = timeout;
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) TAO_Connection_Handler::svc_i - ")
ACE_TEXT ("loop <%d>\n"), current_timeout.msec ()));
}
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) TAO_Connection_Handler::svc_i end\n")));
return result;
}
void
TAO_Connection_Handler::transport (TAO_Transport* transport)
{
if (this->transport_ != 0) {
this->transport_->connection_handler_closing ();
}
this->transport_ = TAO_Transport::_duplicate (transport);
}
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