org.bithon.server.metric.handler.MetricMessage Maven / Gradle / Ivy

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/*
 *    Copyright 2020 bithon.org
 *
 *    Licensed 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 org.bithon.server.metric.handler;

import org.bithon.agent.rpc.brpc.BrpcMessageHeader;
import org.bithon.agent.rpc.thrift.service.MessageHeader;
import org.bithon.server.common.utils.ReflectionUtils;

import java.util.HashMap;

/**
 * TODO: cache reflection results
 *
 * @author [email protected]
 * @date 2021/3/15
 */
public class MetricMessage extends HashMap {

    public static MetricMessage of(BrpcMessageHeader header, Object message) {
        MetricMessage metricMessage = new MetricMessage();
        ReflectionUtils.getFields(header, metricMessage);
        ReflectionUtils.getFields(message, metricMessage);

        // adaptor
        // protobuf turns the name 'count4xx' in .proto file to 'count4Xx'
        // we have to convert it back to make it compatible with existing name style
        Object count4xx = metricMessage.remove("count4Xx");
        if (count4xx != null) {
            metricMessage.put("count4xx", count4xx);
        }
        Object count5xx = metricMessage.remove("count5Xx");
        if (count5xx != null) {
            metricMessage.put("count5xx", count5xx);
        }

        return metricMessage;
    }

    public static MetricMessage of(MessageHeader header, Object message) {
        MetricMessage metricMessage = new MetricMessage();
        ReflectionUtils.getFields(header, metricMessage);
        ReflectionUtils.getFields(message, metricMessage);
        return metricMessage;
    }

    public long getTimestamp() {
        return (long) this.get("timestamp");
    }

    public String getApplicationName() {
        return (String) this.get("appName");
    }

    public String getApplicationEnv() {
        return (String) this.get("env");
    }

    public String getInstanceName() {
        return (String) this.get("instanceName");
    }

    public long getLong(String prop) {
        return ((Number) this.getOrDefault(prop, 0L)).longValue();
    }

    public  T getAs(String prop) {
        return (T) this.get(prop);
    }

    public void set(String prop, Object value) {
        this.put(prop, value);
    }

    public String getString(String prop) {
        return (String) this.get(prop);
    }
}