summaryrefslogtreecommitdiff
path: root/TAO/tao/Thread_Lane_Resources.cpp
blob: 1e824a716ae54df73e02ff6531bf5b41eb39be85 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
// $Id$

#include "tao/Thread_Lane_Resources.h"

ACE_RCSID(tao, Thread_Lane_Resources, "$Id$")

#include "tao/ORB_Core.h"
#include "tao/Acceptor_Registry.h"
#include "tao/Transport_Cache_Manager.h"
#include "tao/Leader_Follower.h"

#if !defined (__ACE_INLINE__)
# include "tao/Thread_Lane_Resources.i"
#endif /* ! __ACE_INLINE__ */

TAO_Thread_Lane_Resources::TAO_Thread_Lane_Resources (TAO_ORB_Core &orb_core)
  : orb_core_ (orb_core),
    acceptor_registry_ (0),
    transport_cache_ (0),
    leader_follower_ (0)
{
  // Create the transport cache.
  ACE_NEW (this->transport_cache_,
           TAO_Transport_Cache_Manager (orb_core));

}

TAO_Thread_Lane_Resources::~TAO_Thread_Lane_Resources (void)
{
}

TAO_Transport_Cache_Manager &
TAO_Thread_Lane_Resources::transport_cache (void)
{
  return *this->transport_cache_;
}

int
TAO_Thread_Lane_Resources::has_acceptor_registry_been_created (void) const
{
  return this->acceptor_registry_ != 0;
}

TAO_Acceptor_Registry &
TAO_Thread_Lane_Resources::acceptor_registry (void)
{
  // Double check.
  if (this->acceptor_registry_ == 0)
    {
      ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, this->lock_, *this->acceptor_registry_);
      if (this->acceptor_registry_ == 0)
        {
          TAO_Resource_Factory &resource_factory =
            *this->orb_core_.resource_factory ();

          this->acceptor_registry_ =
            resource_factory.get_acceptor_registry ();
        }
    }

  return *this->acceptor_registry_;
}

TAO_Leader_Follower &
TAO_Thread_Lane_Resources::leader_follower (void)
{
  // Double check.
  if (this->leader_follower_ == 0)
    {
      ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, this->lock_, *this->leader_follower_);
      if (this->leader_follower_ == 0)
        {
          ACE_NEW_RETURN (this->leader_follower_,
                          TAO_Leader_Follower (&this->orb_core_),
                          *this->leader_follower_);
        }
    }

  return *this->leader_follower_;
}

int
TAO_Thread_Lane_Resources::open_acceptor_registry (CORBA::Environment &ACE_TRY_ENV)
{
  /// Access the acceptor registry.
  TAO_Acceptor_Registry &ar =
    this->acceptor_registry ();

  int result =
    ar.open (&this->orb_core_,
             this->leader_follower ().reactor (),
             ACE_TRY_ENV);
  ACE_CHECK_RETURN (-1);

  return result;
}

void
TAO_Thread_Lane_Resources::finalize (void)
{
  // Ask the registry to close all registered acceptors.
  if (this->acceptor_registry_ != 0)
    {
      this->acceptor_registry_->close_all ();
      delete this->acceptor_registry_;
    }

  // Set of file descriptors corresponding to open connections.  This
  // handle set is used to explicitly deregister the connection event
  // handlers from the Reactor.  This is particularly important for
  // dynamically loaded ORBs where an application level reactor, such
  // as the Singleton reactor, is used instead of an ORB created one.
  ACE_Handle_Set handle_set;
  TAO_EventHandlerSet unregistered;

  // Close the transport cache and return the handle set that needs
  // to be de-registered from the reactor.
  this->transport_cache_->close (handle_set, unregistered);

  // Shutdown all open connections that are registered with the ORB
  // Core.  Note that the ACE_Event_Handler::DONT_CALL mask is NOT
  // used here since the reactor should invoke each handle's
  // corresponding ACE_Event_Handler::handle_close() method to ensure
  // that the connection is shutdown gracefully prior to destroying
  // the ORB Core.
  if (handle_set.num_set () > 0)
    (void) this->leader_follower ().reactor ()->remove_handler (handle_set,
                                                                ACE_Event_Handler::ALL_EVENTS_MASK);
  if (!unregistered.is_empty ())
    {
      ACE_Event_Handler** eh;
      for (TAO_EventHandlerSetIterator iter(unregistered);
           iter.next (eh);
           iter.advance())
        {
          (*eh)->handle_close (ACE_INVALID_HANDLE,
                               ACE_Event_Handler::ALL_EVENTS_MASK);
        }
    }

  delete this->transport_cache_;
  delete this->leader_follower_;
}