/*
*
* 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 org.apache.geode.tools.pulse.internal.service;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.geode.tools.pulse.internal.controllers.PulseController;
import org.apache.geode.tools.pulse.internal.data.Cluster;
import org.apache.geode.tools.pulse.internal.data.PulseConstants;
import org.apache.geode.tools.pulse.internal.data.Repository;
import org.apache.geode.tools.pulse.internal.util.StringUtils;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import javax.servlet.http.HttpServletRequest;
import java.text.DecimalFormat;
/**
* Class MemberDetailsService
*
* This class contains implementations of getting Memeber's Statistics.
*
* @since GemFire version 7.5
*/
@Component
@Service("MemberDetails")
@Scope("singleton")
public class MemberDetailsService implements PulseService {
private final ObjectMapper mapper = new ObjectMapper();
public ObjectNode 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
ObjectNode responseJSON = mapper.createObjectNode();
JsonNode requestDataJSON = mapper.readTree(request.getParameter("pulseData"));
String memberName = requestDataJSON.get("MemberDetails").get("memberName").textValue();
DecimalFormat df2 = new DecimalFormat(PulseConstants.DECIMAL_FORMAT_PATTERN);
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);
double loadAvg = clusterMember.getLoadAverage();
responseJSON.put("loadAverage", Double.valueOf(df2.format(loadAvg)));
responseJSON.put("sockets", 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
responseJSON.put("numClients", clusterMember.getMemberClientsHMap().size());
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;
}
}