54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
/*
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* Copyright (c) 2012-2018 The original author or authors
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* ------------------------------------------------------
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Apache License v2.0 which accompanies this distribution.
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*
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* The Eclipse Public License is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* The Apache License v2.0 is available at
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* http://www.opensource.org/licenses/apache2.0.php
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*
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* You may elect to redistribute this code under either of these licenses.
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*/
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package io.moquette.interception;
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import io.moquette.interception.messages.InterceptAcknowledgedMessage;
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import io.moquette.spi.impl.subscriptions.Subscription;
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import io.netty.handler.codec.mqtt.MqttConnectMessage;
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import io.netty.handler.codec.mqtt.MqttPublishMessage;
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/**
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* This interface is to be used internally by the broker components.
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* <p>
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* An interface is used instead of a class to allow more flexibility in changing an implementation.
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* <p>
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* Interceptor implementations forward notifications to a <code>InterceptHandler</code>, that is
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* normally a field. So, the implementations should act as a proxy to a custom intercept handler.
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*
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* @see InterceptHandler
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*/
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public interface Interceptor {
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void notifyClientConnected(MqttConnectMessage msg);
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void notifyClientDisconnected(String clientID, String username);
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void notifyClientConnectionLost(String clientID, String username);
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void notifyTopicPublished(MqttPublishMessage msg, String clientID, String username);
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void notifyTopicSubscribed(Subscription sub, String username);
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void notifyTopicUnsubscribed(String topic, String clientID, String username);
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void notifyMessageAcknowledged(InterceptAcknowledgedMessage msg);
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void addInterceptHandler(InterceptHandler interceptHandler);
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void removeInterceptHandler(InterceptHandler interceptHandler);
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}
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