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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5045) Dispatch - Refactor the router data structures to allow both message-based and link-based routing that supports full link protocol
Date Tue, 06 Aug 2013 16:28:48 GMT

    [ https://issues.apache.org/jira/browse/QPID-5045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730909#comment-13730909
] 

ASF subversion and git services commented on QPID-5045:
-------------------------------------------------------

Commit 1511021 from [~tedross] in branch 'qpid/trunk'
[ https://svn.apache.org/r1511021 ]

QPID-5045 - Refactored the router data structures to support message and link routing.
QPID-4997 - Fixed the thread safety problem.

 - Wrapped "pn_delivery" in the container to allow for explicit linkage of delivery pairs.
 - Removed the linkage between "message" and "delivery".  Messages can now be discarded as
   soon as the last copy is delivered because their status will be tracked in the dx_delivery
   object.
 - Removed tx_handler from the set of callbacks in the container.  There is no need for this
   notification (sendable delivery) because Dispatch does not create outbound deliveries
   until it is ready to send them (i.e. deliveries are created and advanced in one synchronous
   operation).
 - Replaced the out_fifo of messages per outbound-link with a pair of fifos (one for messages
   and one for state changes) per link.  Note that even inbound-links need to send state
   changes outbound.  This change addresses QPID-4997.
                
> Dispatch - Refactor the router data structures to allow both message-based and link-based
routing that supports full link protocol
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-5045
>                 URL: https://issues.apache.org/jira/browse/QPID-5045
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Qpid Dispatch
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>
> Dispatch router supports two flavors of routing:
>  - Message Routing is performed using the "to" field and uses linked delivery records
to track disposition and settlement.
>  - Link Routing is performed using the target/source of an attach frame and creates "virtual
circuits" of linked-links to carry messages across a network.
> This Jira tracks changes to the router data structures to support these routing features.

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