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authorbala <balanatarajan@users.noreply.github.com>2001-03-22 21:46:59 +0000
committerbala <balanatarajan@users.noreply.github.com>2001-03-22 21:46:59 +0000
commit479aa77fb6bffc5a81f5f883c981d31126885063 (patch)
tree791af9124ef2a337129e549c4fcca736818d9462 /TAO/tao/Leader_Follower.h
parent79338cbb5e6cb1a546c3dc926a7fc6779cea02cf (diff)
downloadATCD-479aa77fb6bffc5a81f5f883c981d31126885063.tar.gz
*** empty log message ***
Diffstat (limited to 'TAO/tao/Leader_Follower.h')
-rw-r--r--TAO/tao/Leader_Follower.h34
1 files changed, 31 insertions, 3 deletions
diff --git a/TAO/tao/Leader_Follower.h b/TAO/tao/Leader_Follower.h
index 569133484fd..472ba426b1c 100644
--- a/TAO/tao/Leader_Follower.h
+++ b/TAO/tao/Leader_Follower.h
@@ -74,13 +74,23 @@ public:
*/
int elect_new_leader (void);
+ // Node structure for the queue
+ struct TAO_Follower_Node
+ {
+ TAO_Follower_Node (TAO_SYNCH_CONDITION *follower_ptr);
+
+ TAO_SYNCH_CONDITION *follower;
+
+ TAO_Follower_Node *next;
+
+ };
/**
* adds the a follower to the set of followers in the leader-
* follower model
* returns 0 on success, -1 on failure and 1 if the element is
* already there.
*/
- int add_follower (TAO_SYNCH_CONDITION *follower_ptr);
+ int add_follower (TAO_Follower_Node* node);
/// checks for the availablity of a follower
/// returns 1 on available, 0 else
@@ -88,7 +98,7 @@ public:
/// removes a follower from the leader-follower set
/// returns 0 on success, -1 on failure
- int remove_follower (TAO_SYNCH_CONDITION *follower_ptr);
+ int remove_follower (TAO_Follower_Node* node);
/// returns randomly a follower from the leader-follower set
/// returns follower on success, else 0
@@ -104,6 +114,8 @@ public:
/// Accesor to the reactor
ACE_Reactor *reactor (void);
+
+
private:
/// Shortcut to obtain the TSS resources of the orb core.
TAO_ORB_Core_TSS_Resources *get_tss_resources (void) const;
@@ -128,7 +140,23 @@ private:
/// do protect the access to the following three members
ACE_Reverse_Lock<TAO_SYNCH_MUTEX> reverse_lock_;
- ACE_Unbounded_Set<TAO_SYNCH_CONDITION *> follower_set_;
+ // Queue to store the followers
+ struct TAO_Follower_Queue
+ {
+ TAO_Follower_Queue (void);
+
+ int is_empty (void) const;
+
+ int remove (TAO_Follower_Node *);
+
+ int insert (TAO_Follower_Node *);
+
+ TAO_Follower_Node *head;
+
+ TAO_Follower_Node *tail;
+ };
+
+ TAO_Follower_Queue follower_set_;
// keep a set of followers around (protected)
/**