git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/qpid.rnr@893970 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@656920 13f79535-47bb-0310-9956-ffa450edef68

1) Durability for federation links (broker-to-broker connections)
2) Improved handling of federation links:
    a) Links can be created even if the remote broker is not reachable
    b) If links are lost, re-establishment will occur using an exponential back-off algorithm
3) Durability of exchanges is now viewable through management
4) ManagementAgent API has been moved to an interface class to reduce coupling between the broker and manageable plug-ins.
5) General configuration storage capability has been added to the store/recover interface. This is used for federation links.
6) Management object-ids for durable objects are now themselves durable. 

(Note: some refactoring needed around ProtocolAccess needed to try and reduce dependencies)



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@655563 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@632087 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@608135 13f79535-47bb-0310-9956-ffa450edef68

Queue statistics fixed. Additional objects added (exchange, binding).

Changes:

M cpp/src/qpid/broker/ExchangeRegistry.h
M cpp/src/qpid/broker/ExchangeRegistry.cpp

    ExchangeRegistry was modified to pass a parent pointer to created
    exchanges. This parent reference is not stored but is used to
    link management objects in a hierarchy of ownership.

M cpp/src/qpid/broker/Exchange.h
M cpp/src/qpid/broker/Exchange.cpp

    Exchange now inherits Manageable to make it visible via the
    management interface. The Exchange parent class handles most of
    the management boilerplate. A Binding struct was introduced to
    track bindings for management. This is separate from
    QueueBindings which track bindings for queues.

M cpp/src/qpid/broker/HeadersExchange.h
M cpp/src/qpid/broker/FanOutExchange.h
M cpp/src/qpid/broker/DirectExchange.h
M cpp/src/qpid/broker/TopicExchange.h
M cpp/src/qpid/broker/HeadersExchange.cpp
M cpp/src/qpid/broker/FanOutExchange.cpp
M cpp/src/qpid/broker/DirectExchange.cpp
M cpp/src/qpid/broker/TopicExchange.cpp
M cpp/src/qpid/management/ManagementExchange.cpp
M cpp/src/qpid/management/ManagementExchange.h

    Each exchange type handles management stats in its own specific
    way. Additionally, the constructors pass the management parent
    pointer to the constructor or Exchange.

    An extra layer was added to contain bindings. Instead of directly
    storing bound queues, the exchanges store "bindings" which are
    managable constructs.

M cpp/src/qpid/broker/Broker.cpp

    Broker now explicitly enables the management agent. Also sets the
    management parent (vhost) in the exchange registry.

M cpp/src/qpid/broker/Vhost.cpp

    Updated constructor to be more defensive in case the management
    agent has not been enabled.

M cpp/src/qpid/broker/Queue.cpp

    Same constructor update as vhost. Moved accounting of dequeues
    into "pop". Implemented management method handler (purge).

M cpp/src/qpid/broker/Deliverable.h

    A new method was added to extract the content size of the
    deliverable content (if appropriate). The method is not pure
    virtual and returns zero if not overridden.

M cpp/src/qpid/broker/DeliverableMessage.h
M cpp/src/qpid/broker/TxPublish.cpp
M cpp/src/qpid/broker/DeliverableMessage.cpp
M cpp/src/qpid/broker/TxPublish.h

    These derivatives of Deliverable were updated with overrides for
    contenSize.

M cpp/src/qpid/management/ManagementAgent.h
M cpp/src/qpid/management/ManagementAgent.cpp

    An "enable" method was added to prevent inadvertent creation of a
    management agent when not desired.

    Adding and deleting management objects is now protected by a
    mutex.

    Make sure that deleted objects get reported even if neither their
    configuration nor instrumentation is changed.

M specs/management-schema.xml

    Minor cosmetic updates. Additional parent linkage.

M cpp/managementgen/schema.py
M cpp/managementgen/templates/Class.cpp

    Added generated code to publish schema details for methods.


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