70 lines
2.8 KiB
Java
70 lines
2.8 KiB
Java
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package io.moquette.spi.impl;
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import io.moquette.server.netty.NettyUtils;
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import io.moquette.spi.IMessagesStore;
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import io.moquette.spi.impl.subscriptions.Subscription;
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import io.moquette.spi.impl.subscriptions.SubscriptionsStore;
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import io.moquette.spi.impl.subscriptions.Topic;
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import io.moquette.spi.security.IAuthorizator;
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import io.netty.channel.Channel;
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import io.netty.handler.codec.mqtt.MqttPublishMessage;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.List;
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import static io.moquette.spi.impl.ProtocolProcessor.asStoredMessage;
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class Qos0PublishHandler extends QosPublishHandler {
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private static final Logger LOG = LoggerFactory.getLogger(Qos0PublishHandler.class);
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private final SubscriptionsStore subscriptions;
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private final IMessagesStore m_messagesStore;
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private final BrokerInterceptor m_interceptor;
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private final MessagesPublisher publisher;
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public Qos0PublishHandler(IAuthorizator authorizator, SubscriptionsStore subscriptions,
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IMessagesStore messagesStore, BrokerInterceptor interceptor, MessagesPublisher messagesPublisher) {
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super(authorizator);
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this.subscriptions = subscriptions;
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this.m_messagesStore = messagesStore;
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this.m_interceptor = interceptor;
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this.publisher = messagesPublisher;
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}
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void receivedPublishQos0(Channel channel, MqttPublishMessage msg) {
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// verify if topic can be write
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final Topic topic = new Topic(msg.variableHeader().topicName());
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if (checkWriteOnTopic(topic, channel)) {
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return;
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}
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// route message to subscribers
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IMessagesStore.StoredMessage toStoreMsg = asStoredMessage(msg);
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String clientID = NettyUtils.clientID(channel);
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toStoreMsg.setClientID(clientID);
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final int messageID = msg.variableHeader().messageId();
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if (LOG.isTraceEnabled()) {
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LOG.trace("Sending publish message to subscribers. ClientId={}, topic={}, messageId={}, payload={}, " +
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"subscriptionTree={}", clientID, topic, messageID, DebugUtils.payload2Str(toStoreMsg.getMessage()),
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subscriptions.dumpTree());
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} else {
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LOG.info("Sending publish message to subscribers. ClientId={}, topic={}, messageId={}", clientID, topic,
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messageID);
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}
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List<Subscription> topicMatchingSubscriptions = subscriptions.matches(topic);
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this.publisher.publish2Subscribers(toStoreMsg, topicMatchingSubscriptions);
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if (msg.fixedHeader().isRetain()) {
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// QoS == 0 && retain => clean old retained
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m_messagesStore.cleanRetained(topic);
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}
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String username = NettyUtils.userName(channel);
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m_interceptor.notifyTopicPublished(msg, clientID, username);
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}
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}
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