blob: e7f51ebc5a0c0cea841201193e7e0033569b0079 (
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
|
/* -*- C++ -*- */
/**
* @file AdminProperties.h
*
* $Id$
*
* @author Pradeep Gore <pradeep@oomworks.com>
*
*
*/
#ifndef TAO_Notify_ADMINPROPERTIES_H
#define TAO_Notify_ADMINPROPERTIES_H
#include /**/ "ace/pre.h"
#include "notify_serv_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Atomic_Op.h"
#include "ace/Refcounted_Auto_Ptr.h"
#include "ace/Condition_Thread_Mutex.h"
#include "tao/orbconf.h"
#include "PropertySeq.h"
#include "Property_T.h"
#include "Property.h"
#include "Property_Boolean.h"
/**
* @class TAO_Notify_AdminProperties
*
* @brief The AdminProperties per EventChannel.
*
*/
class TAO_Notify_Serv_Export TAO_Notify_AdminProperties
: public TAO_Notify_PropertySeq
{
public:
/// Constuctor
TAO_Notify_AdminProperties (void);
/// Destructor
~TAO_Notify_AdminProperties ();
// Init
int init (const CosNotification::PropertySeq& prop_seq);
// = Accessors
const TAO_Notify_Property_Long& max_global_queue_length (void) const;
const TAO_Notify_Property_Long& max_consumers (void) const;
const TAO_Notify_Property_Long& max_suppliers (void) const;
const TAO_Notify_Property_Boolean& reject_new_events (void) const;
CORBA::Long& global_queue_length (void);
TAO_SYNCH_MUTEX& global_queue_lock (void);
TAO_SYNCH_CONDITION& global_queue_not_full_condition (void);
TAO_Notify_Atomic_Property_Long& consumers (void);
TAO_Notify_Atomic_Property_Long& suppliers (void);
// = Helper method
/// Returns true if Queue is full
CORBA::Boolean queue_full (void);
protected:
// @@ Pradeep can you explain why there is any maximum for these
// values? Should they be configurable by the user so the resource
// requirements can be bounded?
// = Admin. properties
// for all these properties the default O implies no limit
/**
* The maximum number of events that will be queued by the channel before
* the channel begins discarding events or rejecting new events upon
* receipt of each new event.
*/
TAO_Notify_Property_Long max_global_queue_length_;
/// The maximum number of consumers that can be connected to the channel at
/// any given time.
TAO_Notify_Property_Long max_consumers_;
/// The maximum number of suppliers that can be connected to the channel at
/// any given time.
TAO_Notify_Property_Long max_suppliers_;
/// Reject any new event.
TAO_Notify_Property_Boolean reject_new_events_;
//= Variables
/// This is used to count the queue length across all buffers in the Notify Service
/// to enforce the "MaxQueueLength" property.
CORBA::Long global_queue_length_;
/// Global queue lock used to serialize access to all queues.
TAO_SYNCH_MUTEX global_queue_lock_;
/// The condition that the queue_length_ is not at max.
TAO_SYNCH_CONDITION global_queue_not_full_condition_;
/// These are used to count the number of consumers and suppliers connected to
/// the system.
TAO_Notify_Atomic_Property_Long consumers_;
TAO_Notify_Atomic_Property_Long suppliers_;
};
typedef ACE_Refcounted_Auto_Ptr<TAO_Notify_AdminProperties,
TAO_SYNCH_MUTEX>
TAO_Notify_AdminProperties_var;
#if defined (__ACE_INLINE__)
#include "AdminProperties.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_Notify_ADMINPROPERTIES_H */
|
