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/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch 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 org.elasticsearch.http;

import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;

import java.io.IOException;

public class HttpStats implements Streamable, ToXContent {

    private long serverOpen;
    private long totalOpen;

    HttpStats() {

    }

    public HttpStats(long serverOpen, long totalOpen) {
        this.serverOpen = serverOpen;
        this.totalOpen = totalOpen;
    }

    public long getServerOpen() {
        return this.serverOpen;
    }

    public long getTotalOpen() {
        return this.totalOpen;
    }

    public static HttpStats readHttpStats(StreamInput in) throws IOException {
        HttpStats stats = new HttpStats();
        stats.readFrom(in);
        return stats;
    }

    @Override
    public void readFrom(StreamInput in) throws IOException {
        serverOpen = in.readVLong();
        totalOpen = in.readVLong();
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        out.writeVLong(serverOpen);
        out.writeVLong(totalOpen);
    }

    static final class Fields {
        static final XContentBuilderString HTTP = new XContentBuilderString("http");
        static final XContentBuilderString CURRENT_OPEN = new XContentBuilderString("current_open");
        static final XContentBuilderString TOTAL_OPENED = new XContentBuilderString("total_opened");
    }

    @Override
    public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
        builder.startObject(Fields.HTTP);
        builder.field(Fields.CURRENT_OPEN, serverOpen);
        builder.field(Fields.TOTAL_OPENED, totalOpen);
        builder.endObject();
        return builder;
    }
}