com.pivotal.gemfire.tools.pulse.internal.service.MemberClientsService.java Source code

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Here is the source code for com.pivotal.gemfire.tools.pulse.internal.service.MemberClientsService.java

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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */

package com.pivotal.gemfire.tools.pulse.internal.service;

import java.util.Formatter;

import javax.servlet.http.HttpServletRequest;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import com.pivotal.gemfire.tools.pulse.internal.data.Cluster;
import com.pivotal.gemfire.tools.pulse.internal.data.Repository;
import com.pivotal.gemfire.tools.pulse.internal.util.StringUtils;
import com.pivotal.gemfire.tools.pulse.internal.util.TimeUtils;

/**
 * Class MemberClientsService
 * 
 * This class contains implementations of getting Memeber's Clients.
 * 
 * @since version 7.5
 */
@Component
@Service("MemberClients")
@Scope("singleton")
public class MemberClientsService implements PulseService {

    // String constants used for forming a json response
    private final String NAME = "name";
    private final String HOST = "host";

    public JSONObject execute(final HttpServletRequest request) throws Exception {

        // get cluster object
        Cluster cluster = Repository.get().getCluster();

        // json object to be sent as response
        JSONObject responseJSON = new JSONObject();

        try {
            JSONObject requestDataJSON = new JSONObject(request.getParameter("pulseData"));
            String memberName = requestDataJSON.getJSONObject("MemberClients").getString("memberName");

            JSONArray clientListJson = new JSONArray();

            Cluster.Member clusterMember = cluster.getMember(StringUtils.makeCompliantName(memberName));
            if (clusterMember != null) {
                responseJSON.put("memberId", clusterMember.getId());
                responseJSON.put(this.NAME, clusterMember.getName());
                responseJSON.put(this.HOST, clusterMember.getHost());

                // member's clients

                Cluster.Client[] memberClients = clusterMember.getMemberClients();
                for (Cluster.Client memberClient : memberClients) {
                    JSONObject regionJSON = new JSONObject();
                    regionJSON.put("clientId", memberClient.getId());
                    regionJSON.put(this.NAME, memberClient.getName());
                    regionJSON.put(this.HOST, memberClient.getHost());
                    regionJSON.put("queueSize", memberClient.getQueueSize());
                    regionJSON.put("uptime", TimeUtils.convertTimeSecondsToHMS(memberClient.getUptime()));
                    Formatter fmt = new Formatter();
                    regionJSON.put("cpuUsage", fmt.format("%.4f", memberClient.getCpuUsage()).toString());
                    // regionJSON.put("cpuUsage", memberClient.getCpuUsage());
                    regionJSON.put("threads", memberClient.getThreads());
                    regionJSON.put("gets", memberClient.getGets());
                    regionJSON.put("puts", memberClient.getPuts());

                    clientListJson.put(regionJSON);
                    fmt.close();

                }
                responseJSON.put("memberClients", clientListJson);
            }
            // Send json response
            return responseJSON;

        } catch (JSONException e) {
            throw new Exception(e);
        }
    }
}