package com.fastbee.mqtt.handler;
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import com.fastbee.mqtt.annotation.Process;
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import com.fastbee.mqtt.handler.adapter.MqttHandler;
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import com.fastbee.mqtt.manager.ClientManager;
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import com.fastbee.mqtt.manager.ResponseManager;
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import com.fastbee.base.session.Session;
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import com.fastbee.base.util.AttributeUtils;
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import com.fastbee.mqtt.utils.MqttMessageUtils;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.mqtt.MqttMessage;
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import io.netty.handler.codec.mqtt.MqttMessageType;
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import io.netty.handler.codec.mqtt.MqttUnsubAckMessage;
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import io.netty.handler.codec.mqtt.MqttUnsubscribeMessage;
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import lombok.extern.slf4j.Slf4j;
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import java.util.List;
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@Slf4j
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@Process(type = MqttMessageType.UNSUBSCRIBE)
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public class MqttUnsubscribe implements MqttHandler {
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@Override
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public void handler(ChannelHandlerContext ctx, MqttMessage message) {
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MqttUnsubscribeMessage unsubscribeMessage = (MqttUnsubscribeMessage) message;
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List<String> topics = unsubscribeMessage.payload().topics();
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log.debug("=>收到取消订阅请求,topics[{}]", topics);
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Session session = AttributeUtils.getSession(ctx.channel());
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topics.forEach(topic -> {
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ClientManager.unsubscribe(topic, session);
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});
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MqttUnsubAckMessage unsubAckMessage = MqttMessageUtils.buildUnsubAckMessage(unsubscribeMessage);
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ResponseManager.responseMessage(session, unsubAckMessage, true);
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/*更新客户端平台时间*/
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ClientManager.updatePing(session.getClientId());
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}
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}
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