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
|
// $Id$
#include "SequencePushConsumer.h"
#if ! defined (__ACE_INLINE__)
#include "SequencePushConsumer.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Notify, TAO_NS_SequencePushConsumer, "$id$")
#include "ace/Reactor.h"
#include "tao/debug.h"
#include "../QoSProperties.h"
#include "../ProxySupplier.h"
#include "../Worker_Task.h"
#include "../Consumer.h"
#include "../Method_Request.h"
#include "../Timer.h"
TAO_NS_SequencePushConsumer::TAO_NS_SequencePushConsumer (TAO_NS_ProxySupplier* proxy)
: TAO_NS_Consumer (proxy), pacing_interval_ (ACE_Time_Value::zero), timer_id_ (-1), buffering_strategy_ (0),
max_batch_size_ (CosNotification::MaximumBatchSize, 0), timer_ (0)
{
}
TAO_NS_SequencePushConsumer::~TAO_NS_SequencePushConsumer ()
{
delete this->buffering_strategy_;
}
void
TAO_NS_SequencePushConsumer::init (CosNotifyComm::SequencePushConsumer_ptr push_consumer, TAO_NS_AdminProperties_var& admin_properties ACE_ENV_ARG_DECL)
{
this->push_consumer_ = CosNotifyComm::SequencePushConsumer::_duplicate (push_consumer);
this->publish_ = CosNotifyComm::NotifyPublish::_duplicate (push_consumer);
ACE_NEW_THROW_EX (this->buffering_strategy_,
TAO_NS_Batch_Buffering_Strategy (this->msg_queue_, admin_properties,
this->max_batch_size_.value ()),
CORBA::NO_MEMORY ());
this->timer_ = this->proxy ()->timer ();
}
void
TAO_NS_SequencePushConsumer::shutdown (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
{
this->cancel_timer ();
this->timer_->_decr_refcnt ();
}
void
TAO_NS_SequencePushConsumer::release (void)
{
delete this;
//@@ inform factory
}
void
TAO_NS_SequencePushConsumer::qos_changed (const TAO_NS_QoSProperties& qos_properties)
{
this->max_batch_size_ = qos_properties.maximum_batch_size ();
if (this->max_batch_size_.is_valid ())
{// set the max batch size.
this->buffering_strategy_->batch_size (this->max_batch_size_.value ());
}
const TAO_NS_Property_Time &pacing_interval = qos_properties.pacing_interval ();
if (pacing_interval.is_valid ())
{
this->pacing_interval_ =
# if defined (ACE_CONFIG_WIN32_H)
ACE_Time_Value (ACE_static_cast (long, pacing_interval.value ()));
# else
ACE_Time_Value (pacing_interval.value () / 1);
# endif /* ACE_CONFIG_WIN32_H */
}
// Inform the buffering strategy of qos change.
this->buffering_strategy_->update_qos_properties (qos_properties);
}
void
TAO_NS_SequencePushConsumer::schedule_timer (void)
{
// Schedule the timer.
if (this->pacing_interval_ != ACE_Time_Value::zero)
{
this->timer_id_ = this->timer_->schedule_timer (this, this->pacing_interval_, 0);
if (this->timer_id_ == -1)
this->pacing_interval_ = ACE_Time_Value::zero; // some error, revert to no pacing.
}
}
void
TAO_NS_SequencePushConsumer::cancel_timer (void)
{
timer_->cancel_timer (this->timer_id_);
}
void
TAO_NS_SequencePushConsumer::push_i (const TAO_NS_Event_var& event ACE_ENV_ARG_DECL_NOT_USED)
{
TAO_NS_Method_Request_Event* method_request = new TAO_NS_Method_Request_Event (event);
int msg_count = this->buffering_strategy_->enqueue (*method_request);
if (msg_count == -1)
{
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG, "NS_Seq_Reactive_Task (%P|%t) - "
"failed to enqueue\n"));
return;
}
if (this->pacing_interval_ == ACE_Time_Value::zero)
{
// If pacing is zero, there is no timer, hence dispatch immediately
this->handle_timeout (ACE_Time_Value::zero, 0);
}
else if (msg_count == 1)
this->schedule_timer ();
}
void
TAO_NS_SequencePushConsumer::push (const CORBA::Any& /*event*/ ACE_ENV_ARG_DECL_NOT_USED)
{
//NOP
}
void
TAO_NS_SequencePushConsumer::push (const CosNotification::StructuredEvent& /*notification*/ ACE_ENV_ARG_DECL_NOT_USED)
{
//NOP
}
int
TAO_NS_SequencePushConsumer::handle_timeout (const ACE_Time_Value& /*current_time*/,
const void* /*act*/)
{
CosNotification::EventBatch event_batch;
int pending = 0;
int deq_count = this->buffering_strategy_->dequeue_available (event_batch, pending);
if (deq_count > 0)
{
TAO_NS_Refcountable_Guard ref_guard(*this->proxy ()); // Protect this object from being destroyed in this scope.
this->push (event_batch);
if (pending)
this->schedule_timer ();
}
return 0;
}
void
TAO_NS_SequencePushConsumer::push (const CosNotification::EventBatch& event_batch)
{
ACE_TRY_NEW_ENV
{
this->push_consumer_->push_structured_events (event_batch ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
this->handle_dispatch_exception (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
// we're scheduled to be destroyed. don't set the timer.
this->pacing_interval_ = ACE_Time_Value::zero;
}
ACE_ENDTRY;
}
|
