Example usage for io.netty.handler.codec.mqtt MqttMessageType PINGREQ

Introduction

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

Prototype

MqttMessageType PINGREQ

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Usage

From source file:io.crate.mqtt.netty.MqttMessages.java

License:Apache License

public static MqttMessage newPingRequest(MqttQoS qos) {
    MqttFixedHeader mqttFixedHeader = new MqttFixedHeader(MqttMessageType.PINGREQ, false, qos, false, 0);
    return new MqttMessage(mqttFixedHeader);
}

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From source file:io.netty.example.mqtt.heartBeat.MqttHeartBeatClientHandler.java

License:Apache License

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        MqttFixedHeader pingreqFixedHeader = new MqttFixedHeader(MqttMessageType.PINGREQ, false,
                MqttQoS.AT_MOST_ONCE, false, 0);
        MqttMessage pingreqMessage = new MqttMessage(pingreqFixedHeader);
        ctx.writeAndFlush(pingreqMessage);
        System.out.println("Sent PINGREQ");
    } else {//from  ww w.  j a v  a  2  s.c o  m
        super.userEventTriggered(ctx, evt);
    }
}

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From source file:io.vertx.mqtt.impl.MqttClientImpl.java

License:Apache License

/**
 * See {@link MqttClient#ping()} for more details
 *//*from   ww  w . j  a  v a  2 s.  c o  m*/
@Override
public MqttClient ping() {

    MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PINGREQ, false, MqttQoS.AT_MOST_ONCE,
            false, 0);

    io.netty.handler.codec.mqtt.MqttMessage pingreq = MqttMessageFactory.newMessage(fixedHeader, null, null);

    this.write(pingreq);

    return this;
}

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From source file:org.thingsboard.mqtt.MqttPingHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (!(msg instanceof MqttMessage)) {
        ctx.fireChannelRead(msg);/* w w w.j  a va  2 s  .  c  om*/
        return;
    }
    MqttMessage message = (MqttMessage) msg;
    if (message.fixedHeader().messageType() == MqttMessageType.PINGREQ) {
        this.handlePingReq(ctx.channel());
    } else if (message.fixedHeader().messageType() == MqttMessageType.PINGRESP) {
        this.handlePingResp();
    } else {
        ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
    }
}

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From source file:org.thingsboard.mqtt.MqttPingHandler.java

License:Apache License

private void sendPingReq(Channel channel) {
    MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PINGREQ, false, MqttQoS.AT_MOST_ONCE,
            false, 0);//from   ww  w .j  a  v a 2 s .  c  o  m
    channel.writeAndFlush(new MqttMessage(fixedHeader));

    if (this.pingRespTimeout != null) {
        this.pingRespTimeout = channel.eventLoop().schedule(() -> {
            MqttFixedHeader fixedHeader2 = new MqttFixedHeader(MqttMessageType.DISCONNECT, false,
                    MqttQoS.AT_MOST_ONCE, false, 0);
            channel.writeAndFlush(new MqttMessage(fixedHeader2)).addListener(ChannelFutureListener.CLOSE);
            //TODO: what do when the connection is closed ?
        }, this.keepaliveSeconds, TimeUnit.SECONDS);
    }
}

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