/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.jstorm.message.netty;

import com.alibaba.jstorm.common.metric.AsmHistogram;
import com.alibaba.jstorm.common.metric.AsmMeter;
import com.alibaba.jstorm.metric.JStormMetrics;
import com.alibaba.jstorm.metric.MetricDef;
import com.alibaba.jstorm.metric.MetricType;
import com.alibaba.jstorm.metric.MetricUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.atomic.AtomicBoolean;

/**
 * @author JohnFang (xiaojian.fxj@alibaba-inc.com).
 */
public class NettyMetricInstance {
    private static Logger LOG = LoggerFactory.getLogger(NettyMetricInstance.class);
    private static final AtomicBoolean alreadyRegister = new AtomicBoolean(false);
    public static AsmMeter nettyServerRecvSpeed;
    public static AsmHistogram networkWorkerTransmitTime;
    public static AsmMeter totalSendSpeed;
    public static AsmHistogram batchSizeWorkerHistogram;

    public static synchronized void register() {
        if (alreadyRegister.compareAndSet(false, true)) {
            nettyServerRecvSpeed = (AsmMeter) JStormMetrics.registerWorkerTopologyMetric(
                    JStormMetrics.workerMetricName(MetricDef.NETTY_SRV_RECV_SPEED, MetricType.METER), new AsmMeter());
            networkWorkerTransmitTime = (AsmHistogram) JStormMetrics.registerWorkerMetric(
                    MetricUtils.workerMetricName(MetricDef.NETTY_SRV_MSG_TRANS_TIME, MetricType.HISTOGRAM), new AsmHistogram());
            totalSendSpeed = (AsmMeter) JStormMetrics.registerWorkerTopologyMetric(
                    JStormMetrics.workerMetricName(MetricDef.NETTY_CLI_SEND_SPEED, MetricType.METER), new AsmMeter());
            batchSizeWorkerHistogram = (AsmHistogram) JStormMetrics.registerWorkerMetric(
                    MetricUtils.workerMetricName(MetricDef.NETTY_CLI_BATCH_SIZE, MetricType.HISTOGRAM), new AsmHistogram());
            LOG.info("Successfully register netty metrics {}, {}, {}, {}",
                    nettyServerRecvSpeed.getMetricName(), networkWorkerTransmitTime.getMetricName(),
                    totalSendSpeed.getMetricName(), batchSizeWorkerHistogram.getMetricName());
        }
    }
}