summaryrefslogtreecommitdiff
path: root/trunk/TAO/orbsvcs/orbsvcs/Notify/Proxy.cpp
blob: 1e8638a4b15a02a94364981810f70f01b77d510b (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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
// $Id$

#include "orbsvcs/Notify/Proxy.h"

#if ! defined (__ACE_INLINE__)
#include "orbsvcs/Notify/Proxy.inl"
#endif /* __ACE_INLINE__ */

ACE_RCSID(Notify, TAO_Notify_Proxy, "$Id$")

#include "orbsvcs/Notify/Peer.h"
#include "orbsvcs/Notify/Proxy.h"
#include "orbsvcs/Notify/Method_Request_Updates.h"
#include "orbsvcs/Notify/Worker_Task.h"
#include "orbsvcs/Notify/Properties.h"
#include "orbsvcs/Notify/POA_Helper.h"
#include "orbsvcs/Notify/Topology_Saver.h"

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_Notify_Proxy::TAO_Notify_Proxy (void)
  : updates_off_ (0)
{
}

TAO_Notify_Proxy::~TAO_Notify_Proxy ()
{
}

CORBA::Object_ptr
TAO_Notify_Proxy::activate (PortableServer::Servant servant)
{
  // Set the POA that we use to return our <ref>
  this->set_primary_as_proxy_poa();
  return TAO_Notify_Object::activate (servant);
}

CORBA::Object_ptr
TAO_Notify_Proxy::activate (PortableServer::Servant servant,
                            CORBA::Long id)
{
  // Set the POA that we use to return our <ref>
  this->set_primary_as_proxy_poa();
  return TAO_Notify_Object::activate (servant, id);
}

void
TAO_Notify_Proxy::deactivate (void)
{
  ACE_ASSERT (this->proxy_poa() != 0 );
  this->proxy_poa()->deactivate (this->id());
}

void
TAO_Notify_Proxy::subscribed_types (TAO_Notify_EventTypeSeq& subscribed_types)
{
  ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX, ace_mon, this->lock_,
                        CORBA::INTERNAL ());

  // copy
  subscribed_types = this->subscribed_types_;
}

void
TAO_Notify_Proxy::types_changed (const TAO_Notify_EventTypeSeq& added, const TAO_Notify_EventTypeSeq& removed)
{
  // return if the updates for this proxy are turned off or
  // if all the updates in the channel are switched off.
  if (this->updates_off_ == 1 || TAO_Notify_PROPERTIES::instance()->updates () == 0)
    return;

  TAO_Notify_Method_Request_Updates_No_Copy request (added, removed, this);

  if (TAO_Notify_PROPERTIES::instance()->asynch_updates () == 1) // if we should send the updates synchronously.
    {
      this->execute_task (request);
    }
  else // execute in the current thread context.
    {
      request.execute ();
    }
}

CosNotification::EventTypeSeq*
TAO_Notify_Proxy::obtain_types (CosNotifyChannelAdmin::ObtainInfoMode mode, const TAO_Notify_EventTypeSeq& types)
{
  CosNotification::EventTypeSeq_var event_type_seq;

  ACE_NEW_THROW_EX (event_type_seq,
                    CosNotification::EventTypeSeq (),
                    CORBA::NO_MEMORY ());

  ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX, ace_mon, this->lock_, CORBA::INTERNAL ());

  if (mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_OFF ||
      mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_ON)
    {
      types.populate (event_type_seq);
    }

  if (mode == CosNotifyChannelAdmin::NONE_NOW_UPDATES_ON ||
      mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_ON)
    {
      this->updates_off_ = 0;
    }
  else
    {
      this->updates_off_ = 1;
    }

  return event_type_seq._retn ();
}

void
TAO_Notify_Proxy::qos_changed (const TAO_Notify_QoSProperties& qos_properties)
{
  //Inform Peers of qos changes.
  TAO_Notify_Peer* peer = this->peer ();

  if (peer != 0)
    peer->qos_changed (qos_properties);
}

void
TAO_Notify_Proxy::save_persistent (TAO_Notify::Topology_Saver& saver)
{
  bool changed = this->children_changed_;
  this->children_changed_ = false;
  this->self_changed_ = false;

  if (is_persistent ())
  {
    TAO_Notify::NVPList attrs;
    this->save_attrs(attrs);

    const char * type_name = this->get_proxy_type_name ();
    bool want_all_children = saver.begin_object(this->id(), type_name, attrs, changed);

    if (want_all_children || this->filter_admin_.is_changed ())
    {
      this->filter_admin_.save_persistent(saver);
    }

    if (want_all_children || this->subscribed_types_.is_changed ())
    {
      this->subscribed_types_.save_persistent(saver);
    }

    // todo: handle removed children

    saver.end_object(this->id(), type_name);
  }
}

void
TAO_Notify_Proxy::save_attrs (TAO_Notify::NVPList& attrs)
{
  TAO_Notify_Object::save_attrs(attrs);
  TAO_Notify_Peer * peer = this->peer();
  if (peer != 0)
  {
    attrs.push_back (TAO_Notify::NVP("PeerIOR", peer->get_ior()));
  }
}

TAO_Notify::Topology_Object*
TAO_Notify_Proxy::load_child (const ACE_CString &type, CORBA::Long id,
  const TAO_Notify::NVPList& attrs)
{
  ACE_UNUSED_ARG (id);
  ACE_UNUSED_ARG (attrs);
  TAO_Notify::Topology_Object* result = this;
  if (type == "subscriptions")
  {
    // since we initialized our subscribed types to everything
    // in the constructor. we have to clear it out first.
    this->subscribed_types_.reset();
    result = &this->subscribed_types_;
  }
  else if (type == "filter_admin")
  {
    result = & this->filter_admin_;
  }
  return result;
}

TAO_END_VERSIONED_NAMESPACE_DECL