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Details of QMF Message Types

opcode

message

handled by

description

'B'

Broker Request

broker

This message contains a broker request, sent from the management console to the broker to initiate a management session.

'b'

Broker Response

console

This message contains a broker response, sent from the broker in response to a broker request message.

'z'

Command Completion

all

This message is sent to indicate the completion of a request.

'Q'

Class Query

broker, agent

Class query messages are used by a management console to request a list of schema classes that are known by the management broker.

'q'

Class Indication

console, broker

Sent by the management broker, a class indication notifies the peer of the existence of a schema class.

'S'

Schema Request

broker, agent

Schema request messages are used to request the full schema details for a class.

's'

Schema Response

console, broker

Schema response message contain a full description of the schema for a class.

'h'

Heartbeat Indication

console

This message is published once per publish-interval. It can be used by a client to positively determine which objects did not change during the interval (since updates are not published for objects with no changes).

'c', 'i', 'g'

Content Indication

console

This message contains a content record. Content records contain the values of all properties or statistics in an object. Such records are broadcast on a periodic interval if 1) a change has been made in the value of one of the elements, or 2) if a new management client has bound a queue to the management exchange.

'G'

Get Query

agent

Sent by a management console, a get query requests that the management broker provide content indications for all objects that match the query criteria.

'M'

Method Request

agent

This message contains a method request.

'm'

Method Response

console

This message contains a method result.

'P'

Package Query

broker, agent

This message contains a schema package query request, requesting that the broker dump the list of known packages

'p'

Package Indication

console, broker

This message contains a schema package indication, identifying a package known by the broker

'A'

Agent Attach Request

broker

This message is sent by a remote agent when it wishes to attach to a management broker

'a'

Agent Attach Response

agent

The management broker sends this response if an attaching remote agent is permitted to join

'x'

Console Added Indication

agent

This message is sent to all remote agents by the management broker when a new console binds to the management exchange

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