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<?xml version="1.0"?>
<!--
-
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements. See the NOTICE file
- distributed with this work for additional information
- regarding copyright ownership. The ASF licenses this file
- to you under the Apache License, Version 2.0 (the
- "License"); you may not use this file except in compliance
- with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing,
- software distributed under the License is distributed on an
- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- KIND, either express or implied. See the License for the
- specific language governing permissions and limitations
- under the License.
-
-->
<amqp major="0" minor="10" port="5672">
<!-- Controls sent between cluster nodes. -->
<class name = "cluster" code = "0x80" label="Qpid clustering extensions.">
<doc>Qpid extension class to allow clustered brokers to communicate.</doc>
<control name="update-request" code="0x1" label="URL for a member.">
<field name="url" type="str16"/>
</control>
<control name = "update-offer" code="0x2" label="Member offering to be updater for updatee.">
<field name="updatee" type="uint64"/>
<field name="cluster-id" type="uuid"/>
</control>
<control name="ready" code="0x10" label="New member is ready.">
<field name="url" type="str16"/>
</control>
<control name="config-change" code="0x11" label="Raw cluster membership.">
<field name="current" type="vbin16"/> <!-- packed member-id array -->
</control>
<control name="message-expired" code="0x12">
<field name="id" type="uint64"/>
</control>
<domain name="error-type" type="uint8" label="Types of error">
<enum>
<choice name="none" value="0"/>
<choice name="session" value="1"/>
<choice name="connection" value="2"/>
</enum>
</domain>
<control name="error-check" code="0x13">
<field name="type" type="error-type"/>
<field name="frame-seq" type="uint64"/>
</control>
<control name="shutdown" code="0x20" label="Shut down entire cluster"/>
</class>
<!-- TODO aconway 2008-09-10: support for un-attached connections. -->
<!-- Controls associated with a specific connection. -->
<class name="cluster-connection" code="0x81" label="Qpid clustering extensions.">
<control name="deliver-close" code="0x2"/>
<control name="deliver-do-output" code="0x3">
<field name="bytes" type="uint32"/>
</control>
<!-- Update controls. Sent to a new broker in joining mode.
A connection is updateed as followed:
- open as a normal connection.
- attach sessions, create consumers, set flow with normal AMQP cokmmands.
- send /reset additional session state with controls below.
- send shadow-ready to mark end of shadow update.
- send update-complete when entire update is complete.
-->
<!-- Consumer state that cannot be set by standard AMQP controls. -->
<control name="consumer-state" code="0x10">
<field name="name" type="str8"/>
<field name="blocked" type="bit"/>
<field name="notifyEnabled" type="bit"/>
</control>
<!-- Delivery-record for outgoing messages sent but not yet accepted. -->
<control name="delivery-record" code ="0x11">
<field name="queue" type="str8"/>
<field name="position" type="sequence-no"/>
<field name="tag" type="str8"/>
<field name="id" type="sequence-no"/>
<field name="acquired" type="bit"/> <!--If not set, message follows. -->
<field name="accepted" type="bit"/>
<field name="cancelled" type="bit"/>
<field name="completed" type="bit"/>
<field name="ended" type="bit"/>
<field name="windowing" type="bit"/>
<field name="credit" type="uint32"/>
</control>
<!-- Tx transaction state. -->
<control name="tx-start" code="0x12"/>
<control name="tx-accept" code="0x13"> <field name="commands" type="sequence-set"/> </control>
<control name="tx-dequeue" code="0x14"> <field name="queue" type="str8"/> </control>
<control name="tx-enqueue" code="0x15"> <field name="queue" type="str8"/> </control>
<control name="tx-publish" code="0x16">
<field name="queues" type="array"/> <!--Array of str8 -->
<field name="delivered" type="bit"/>
</control>
<control name="tx-end" code="0x17"/>
<control name="accumulated-ack" code="0x18"> <field name="commands" type="sequence-set"/> </control>
<!-- Complete a session state update. -->
<control name="session-state" code="0x1F" label="Set session state during a brain update.">
<!-- Target session deduced from channel number. -->
<field name="replay-start" type="sequence-no"/> <!-- Replay frames will start from this point.-->
<field name="command-point" type="sequence-no"/> <!-- Id of next command sent -->
<field name="sent-incomplete" type="sequence-set"/> <!-- Commands sent and incomplete. -->
<field name="expected" type="sequence-no"/> <!-- Next command expected. -->
<field name="received" type="sequence-no"/> <!-- Received up to here (>= expected) -->
<field name="unknown-completed" type="sequence-set"/> <!-- Completed but not known to peer. -->
<field name="received-incomplete" type="sequence-set"/> <!-- Received and incomplete -->
</control>
<!-- Complete a shadow connection update. -->
<control name="shadow-ready" code="0x20" label="End of shadow connection update.">
<field name="member-id" type="uint64"/>
<field name="connection-id" type="uint64"/>
<field name="user-name" type="str8"/>
<field name="fragment" type="str32"/>
</control>
<!-- Complete a cluster state update. -->
<control name="membership" code="0x21" label="Cluster membership details.">
<field name="joiners" type="map"/> <!-- member-id -> URL -->
<field name="members" type="map"/> <!-- member-id -> state -->
<field name="frame-seq" type="uint64"/> <!-- frame sequence number -->
</control>
<!-- Set the position of a replicated queue. -->
<control name="queue-position" code="0x30">
<field name="queue" type="str8"/>
<field name="position" type="sequence-no"/>
</control>
<!-- Replicate encoded exchanges/queues. -->
<control name="exchange" code="0x31"><field name="encoded" type="str32"/></control>
<control name="queue" code="0x32"><field name="encoded" type="str32"/></control>
<!-- Set expiry-id for subsequent messages. -->
<control name="expiry-id" code="0x33"><field name="expiry-id" type="uint64"/></control>
</class>
</amqp>
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