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

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Here is the source code for com.pivotal.gemfire.tools.pulse.internal.service.MemberDetailsService.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.text.DecimalFormat;

import javax.servlet.http.HttpServletRequest;

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.controllers.PulseController;
import com.pivotal.gemfire.tools.pulse.internal.data.Cluster;
import com.pivotal.gemfire.tools.pulse.internal.data.PulseConstants;
import com.pivotal.gemfire.tools.pulse.internal.data.Repository;
import com.pivotal.gemfire.tools.pulse.internal.util.StringUtils;

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

    public JSONObject execute(final HttpServletRequest request) throws Exception {

        String userName = request.getUserPrincipal().getName();

        // 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("MemberDetails").getString("memberName");

            responseJSON.put("connectedFlag", cluster.isConnectedFlag());
            responseJSON.put("connectedErrorMsg", cluster.getConnectionErrorMsg());

            Cluster.Member clusterMember = cluster.getMember(StringUtils.makeCompliantName(memberName));
            if (clusterMember != null) {
                responseJSON.put("memberId", clusterMember.getId());
                responseJSON.put("name", clusterMember.getName());
                responseJSON.put("host", clusterMember.getHost());
                responseJSON.put("clusterId", cluster.getId());
                responseJSON.put("clusterName", cluster.getServerName());
                responseJSON.put("userName", userName);
                responseJSON.put("loadAverage", clusterMember.getLoadAverage());
                responseJSON.put("sockets", clusterMember.getTotalFileDescriptorOpen());
                responseJSON.put("openFDs", clusterMember.getTotalFileDescriptorOpen());
                responseJSON.put("threads", clusterMember.getNumThreads());
                responseJSON.put("offHeapFreeSize", clusterMember.getOffHeapFreeSize());
                responseJSON.put("offHeapUsedSize", clusterMember.getOffHeapUsedSize());
                responseJSON.put("regionsCount", clusterMember.getMemberRegionsList().length);

                // Number of member clients
                if (PulseController.getPulseProductSupport()
                        .equalsIgnoreCase(PulseConstants.PRODUCT_NAME_GEMFIREXD)) {
                    responseJSON.put("numClients", clusterMember.getNumGemFireXDClients());
                } else {
                    responseJSON.put("numClients", clusterMember.getMemberClientsHMap().size());
                }

                DecimalFormat df2 = new DecimalFormat(PulseConstants.DECIMAL_FORMAT_PATTERN);
                Long diskUsageVal = clusterMember.getTotalDiskUsage();
                Double diskUsage = diskUsageVal.doubleValue() / 1024;

                responseJSON.put("diskStorageUsed", Double.valueOf(df2.format(diskUsage)));

                Cluster.Alert[] alertsList = cluster.getAlertsList();

                String status = "Normal";

                for (Cluster.Alert alert : alertsList) {
                    if (clusterMember.getName().equals(alert.getMemberName())) {
                        if (alert.getSeverity() == Cluster.Alert.SEVERE) {
                            status = "Severe";
                            break;
                        } else if (alert.getSeverity() == Cluster.Alert.ERROR) {
                            status = "Error";
                        } else if (alert.getSeverity() == Cluster.Alert.WARNING) {
                            status = "Warning";
                        }
                    }
                }

                responseJSON.put("status", status);

            } else {
                responseJSON.put("errorOnMember", "Member [" + memberName + "] is not available");
            }

            // Send json response
            return responseJSON;
        } catch (JSONException e) {
            throw new Exception(e);
        }
    }
}