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-rw-r--r--TAO/orbsvcs/orbsvcs/Notify/AdminProperties.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Notify/AdminProperties.h b/TAO/orbsvcs/orbsvcs/Notify/AdminProperties.h
new file mode 100644
index 00000000000..163e22dc13c
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+++ b/TAO/orbsvcs/orbsvcs/Notify/AdminProperties.h
@@ -0,0 +1,133 @@
+/* -*- 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 "orbsvcs/Notify/notify_serv_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "orbsvcs/Notify/PropertySeq.h"
+#include "orbsvcs/Notify/Property_T.h"
+#include "orbsvcs/Notify/Property.h"
+#include "orbsvcs/Notify/Property_Boolean.h"
+
+#include "tao/orbconf.h"
+
+#include "ace/Atomic_Op.h"
+#include "ace/Bound_Ptr.h"
+#include "ace/Condition_Thread_Mutex.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class TAO_Notify_AdminProperties
+ *
+ * @brief The AdminProperties per EventChannel.
+ *
+ */
+class TAO_Notify_Serv_Export TAO_Notify_AdminProperties
+ : public TAO_Notify_PropertySeq
+{
+public:
+ typedef ACE_Strong_Bound_Ptr<TAO_Notify_AdminProperties, TAO_SYNCH_MUTEX> Ptr;
+ /// Constuctor
+ TAO_Notify_AdminProperties (void);
+
+ /// Destructor
+ virtual ~TAO_Notify_AdminProperties ();
+
+ // Init
+ int init (const CosNotification::PropertySeq& prop_seq);
+
+ // finish initialization after values are set by topology load
+ void init ();
+
+ // = Const 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;
+
+ // = Non-const accessors
+ TAO_Notify_Property_Long & max_global_queue_length (void);
+ TAO_Notify_Property_Long & max_consumers (void);
+ TAO_Notify_Property_Long & max_suppliers (void);
+ TAO_Notify_Property_Boolean & reject_new_events (void);
+
+ CORBA::Long& global_queue_length (void);
+ TAO_SYNCH_MUTEX& global_queue_lock (void);
+ TAO_SYNCH_CONDITION& global_queue_not_full (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_;
+
+ /// 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_;
+};
+
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+#include "orbsvcs/Notify/AdminProperties.inl"
+#endif /* __ACE_INLINE__ */
+
+
+#include /**/ "ace/post.h"
+#endif /* TAO_Notify_ADMINPROPERTIES_H */