summaryrefslogtreecommitdiff
path: root/protocols/ace/RMCast/RMCast_Membership.h
diff options
context:
space:
mode:
Diffstat (limited to 'protocols/ace/RMCast/RMCast_Membership.h')
-rw-r--r--protocols/ace/RMCast/RMCast_Membership.h103
1 files changed, 0 insertions, 103 deletions
diff --git a/protocols/ace/RMCast/RMCast_Membership.h b/protocols/ace/RMCast/RMCast_Membership.h
deleted file mode 100644
index 07f9aab593c..00000000000
--- a/protocols/ace/RMCast/RMCast_Membership.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/* -*- C++ -*- */
-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// ace
-//
-// = FILENAME
-// RMCast_Membership.h
-//
-// = AUTHOR
-// Carlos O'Ryan <coryan@uci.edu>
-//
-// ============================================================================
-
-#ifndef ACE_RMCAST_MEMBERSHIP_H
-#define ACE_RMCAST_MEMBERSHIP_H
-#include "ace/pre.h"
-
-#include "RMCast_Module.h"
-#include "ace/Containers.h"
-#include "ace/Synch.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-class ACE_RMCast_Proxy;
-
-/// Track peer membership
-/**
- * Reliable senders of events need to know exactly how many peers are
- * receiving the events, and how many events has each peer received so
- * far.
- * This class uses the Join, Leave and Ack messages to build that
- * information, it also summarizes the Ack events and propagate only
- * the global info to the upper layer.
- */
-class ACE_RMCast_Export ACE_RMCast_Membership : public ACE_RMCast_Module
-{
-public:
- /// Constructor
- ACE_RMCast_Membership (void);
-
- /// Destructor
- virtual ~ACE_RMCast_Membership (void);
-
- /// Return 1 if there are still members in the group
- int has_members (void);
-
- /// Receive an process an Ack message
- /**
- * After receiving the Ack message we find out what is the lowest
- * sequence number received in order among all the acks received by
- * the proxies in the collection. We also find out what is the
- * highest sequence number received by any proxy.
- * We only propagate that information back to the upper layer, and
- * then only if there are any news since the last Ack.
- */
- virtual int ack (ACE_RMCast::Ack &);
-
- /// Add a new member to the collection, using the <source> field in
- /// the Join message
- virtual int join (ACE_RMCast::Join &);
-
- /// Remove a member from the collection, using the <source> field in
- /// the Join message
- virtual int leave (ACE_RMCast::Leave &);
-
-private:
- /// Generate an Ack message, normally due to changes in the
- /// collection, such as new proxys joining or leaving
- int generate_ack (ACE_RMCast_Proxy *proxy);
-
- /// Compute an Ack message to propagate to the upper layers.
- int compute_ack_i (ACE_RMCast_Proxy *source,
- ACE_RMCast::Ack &next_ack);
-
-protected:
- /// Use an unbounded set to maintain the collection of proxies.
- typedef ACE_Unbounded_Set<ACE_RMCast_Proxy*> Proxy_Collection;
- typedef ACE_Unbounded_Set_Iterator<ACE_RMCast_Proxy*> Proxy_Iterator;
-
- /// The collection of proxies
- Proxy_Collection proxies_;
-
- /// The smallest value of \param next_expected for all the proxies
- ACE_UINT32 next_expected_;
-
- /// The highest value of \param highest_received for all the proxies
- ACE_UINT32 highest_received_;
-
- /// Synchronization
- ACE_SYNCH_MUTEX mutex_;
-};
-
-#if defined (__ACE_INLINE__)
-#include "RMCast_Membership.i"
-#endif /* __ACE_INLINE__ */
-
-#include "ace/post.h"
-#endif /* ACE_RMCAST_MEMBERSHIP_H */