specs/cluster.0-8.xml

<?xml version="1.0"?>
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<amqp major="10" minor="0" port="5672" comment="AMQ protocol 0-10">

  <class name = "cluster" code = "101">

    <doc>
      An extension that allows brokers to communicate in order to
      provide a clustered service to clients.  
    </doc>

    <control name = "join" index="10">
      <field name = "broker" type = "str8" />
    </control>

    <control name = "membership" index="20">
      <field name = "members" type = "longstr" />
    </control>

    <control name = "synch" index="30">
    </control>

    <control name = "leave" index="40">
      <field name = "broker" type = "str8" />
    </control>

    <control name = "suspect" index="50">
      <field name = "broker" type = "str8" />
    </control>

    <control name = "ping" index="60">
      <field name = "broker" type = "str8" />
      <field name = "load" type = "long" />
      <field name = "response-required" type = "bit" />
    </control>

  </class>

</amqp>