summaryrefslogtreecommitdiff
path: root/TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h
diff options
context:
space:
mode:
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h')
-rw-r--r--TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h137
1 files changed, 0 insertions, 137 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h b/TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h
deleted file mode 100644
index 7b854a47508..00000000000
--- a/TAO/orbsvcs/orbsvcs/Notify/Buffering_Strategy.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/* -*- C++ -*- */
-/**
- * @file Buffering_Strategy.h
- *
- * $Id$
- *
- * @author Pradeep Gore <pradeep@oomworks.com>
- *
- *
- */
-
-#ifndef TAO_NS_BUFFERING_STRATEGY_H
-#define TAO_NS_BUFFERING_STRATEGY_H
-#include "ace/pre.h"
-
-#include "notify_export.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-
-#include "ace/Message_Queue.h"
-#include "orbsvcs/TimeBaseC.h"
-#include "Property.h"
-#include "Property_T.h"
-#include "AdminProperties.h"
-
-class TAO_NS_Method_Request;
-class TAO_NS_QoSProperties;
-
-typedef ACE_Message_Queue<ACE_NULL_SYNCH> TAO_NS_Message_Queue;
-
-/**
- * @class TAO_NS_Buffering_Strategy
- *
- * @brief Base Strategy to enqueue and dequeue items from a Message Queue.
- *
- */
-class TAO_Notify_Export TAO_NS_Buffering_Strategy
-{
-public:
- /// Constuctor
- TAO_NS_Buffering_Strategy (TAO_NS_Message_Queue& msg_queue, TAO_NS_AdminProperties_var& admin_properties, CORBA::Long batch_size);
-
- /// Destructor
- ~TAO_NS_Buffering_Strategy ();
-
- /// Update state with the following QoS Properties:
- /// Order Policy
- /// Discard Policy
- /// MaxEventsPerConsumer
- /// TAO_Notify_Extensions::BlockingPolicy
- void update_qos_properties (const TAO_NS_QoSProperties& qos_properties);
-
- /// Enqueue according the enqueing strategy.
- /// Return -1 on error else the number of items in the queue.
- int enqueue (TAO_NS_Method_Request& method_request);
-
- /// Dequeue batch. This method will block for <abstime> if non-zero or else blocks till an item is available.
- /// Return -1 on error or if nothing is available, else the number of items actually dequeued (1).
- int dequeue (TAO_NS_Method_Request* &method_request, const ACE_Time_Value *abstime);
-
- /// Shutdown
- void shutdown (void);
-
- /// Set the new batch size.
- void batch_size (CORBA::Long batch_size);
-
- /// Obtain our batch size
- CORBA::Long batch_size (void);
-
- /// Set the max local queue length.
- void max_local_queue_length (CORBA::Long length);
-
-protected:
- /// Apply the Order Policy and queue. return -1 on error.
- int queue (TAO_NS_Method_Request& method_request);
-
- /// Discard as per the Discard Policy.
- int discard (void);
-
- ///= Data Members
-
- /// The local Message Queue
- TAO_NS_Message_Queue& msg_queue_;
-
- /// Reference to the properties per event channel.
- TAO_NS_AdminProperties_var admin_properties_;
-
- /// The shared global lock used by all the queues.
- ACE_SYNCH_MUTEX& global_queue_lock_;
-
- /// The shared Condition for global queue not full.
- ACE_SYNCH_CONDITION& global_queue_not_full_condition_;
-
- /// The global queue length - queue length accross all the queues.
- CORBA::Long& global_queue_length_;
-
- /// The maximum events that can be queued overall.
- const TAO_NS_Property_Long& max_global_queue_length_;
-
- /// The maximum queue length for the local queue.
- CORBA::Long max_local_queue_length_;
-
- /// Order of events in internal buffers.
- TAO_NS_Property_Short order_policy_;
-
- /// Policy to discard when buffers are full.
- TAO_NS_Property_Short discard_policy_;
-
- /// Flag that we should use discarding(1) or blocking (0).
- int use_discarding_;
-
- /// The blocking timeout will be used in place of discarding
- /// This is a TAO specific extension.
- ACE_Time_Value blocking_time_; // 0 means wait forever.
-
- /// Condition that the local queue is not full.
- ACE_SYNCH_CONDITION local_queue_not_full_condition_;
-
- /// The batch size that we want to monitor for dequeuing.
- CORBA::Long batch_size_;
-
- /// Condition that batch size reached.
- ACE_SYNCH_CONDITION batch_size_reached_condition_;
-
- /// Flag to shutdown.
- int shutdown_;
-};
-
-#if defined (__ACE_INLINE__)
-#include "Buffering_Strategy.inl"
-#endif /* __ACE_INLINE__ */
-
-#include "ace/post.h"
-#endif /* TAO_NS_BUFFERING_STRATEGY_H */