Example usage for io.netty.handler.codec.mqtt MqttConnAckVariableHeader isSessionPresent

Introduction

In this page you can find the example usage for io.netty.handler.codec.mqtt MqttConnAckVariableHeader isSessionPresent.

Prototype

public boolean isSessionPresent() 

Source Link

Usage

From source file:org.apache.activemq.artemis.core.protocol.mqtt.MQTTUtil.java

License:Apache License

public static void traceMessage(MQTTSessionState state, MqttMessage message, boolean inbound) {
    StringBuilder log = new StringBuilder("MQTT(");

    if (state != null) {
        log.append(state.getClientId());
    }/*from   w  w  w. jav  a  2 s  .  c  om*/

    if (inbound) {
        log.append("): IN << ");
    } else {
        log.append("): OUT >> ");
    }

    if (message.fixedHeader() != null) {
        log.append(message.fixedHeader().messageType().toString());

        if (message.variableHeader() instanceof MqttMessageIdVariableHeader) {
            log.append("(" + ((MqttMessageIdVariableHeader) message.variableHeader()).messageId() + ")");
        }

        switch (message.fixedHeader().messageType()) {
        case PUBLISH:
            MqttPublishVariableHeader publishHeader = (MqttPublishVariableHeader) message.variableHeader();
            String publishPayload = ((MqttPublishMessage) message).payload().toString(StandardCharsets.UTF_8);
            final int maxPayloadLogSize = 256;
            log.append("(" + publishHeader.packetId() + ")").append(" topic=" + publishHeader.topicName())
                    .append(", qos=" + message.fixedHeader().qosLevel())
                    .append(", retain=" + message.fixedHeader().isRetain())
                    .append(", dup=" + message.fixedHeader().isDup())
                    .append(", payload=" + (publishPayload.length() > maxPayloadLogSize
                            ? publishPayload.substring(0, maxPayloadLogSize)
                            : publishPayload));
            break;
        case CONNECT:
            MqttConnectVariableHeader connectHeader = (MqttConnectVariableHeader) message.variableHeader();
            MqttConnectPayload payload = ((MqttConnectMessage) message).payload();
            log.append(" protocol=(").append(connectHeader.name()).append(", ").append(connectHeader.version())
                    .append(")").append(", hasPassword=").append(connectHeader.hasPassword())
                    .append(", isCleanSession=").append(connectHeader.isCleanSession())
                    .append(", keepAliveTimeSeconds=").append(connectHeader.keepAliveTimeSeconds())
                    .append(", clientIdentifier=").append(payload.clientIdentifier()).append(", hasUserName=")
                    .append(connectHeader.hasUserName());
            if (connectHeader.hasUserName()) {
                log.append(", userName=").append(payload.userName());
            }
            log.append(", isWillFlag=").append(connectHeader.isWillFlag());
            if (connectHeader.isWillFlag()) {
                log.append(", willQos=").append(connectHeader.willQos()).append(", isWillRetain=")
                        .append(connectHeader.isWillRetain()).append(", willTopic=")
                        .append(payload.willTopic());
            }
            break;
        case CONNACK:
            MqttConnAckVariableHeader connackHeader = (MqttConnAckVariableHeader) message.variableHeader();
            log.append(" connectReturnCode=").append(connackHeader.connectReturnCode().byteValue())
                    .append(", sessionPresent=").append(connackHeader.isSessionPresent());
            break;
        case SUBSCRIBE:
            for (MqttTopicSubscription sub : ((MqttSubscribeMessage) message).payload().topicSubscriptions()) {
                log.append("\n\t" + sub.topicName() + " : " + sub.qualityOfService());
            }
            break;
        case SUBACK:
            for (Integer qos : ((MqttSubAckMessage) message).payload().grantedQoSLevels()) {
                log.append("\n\t" + qos);
            }
            break;
        case UNSUBSCRIBE:
            for (String topic : ((MqttUnsubscribeMessage) message).payload().topics()) {
                log.append("\n\t" + topic);
            }
            break;
        }

        logger.trace(log.toString());
    }
}

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