/*
*
* 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.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
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.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import javax.servlet.http.HttpServletRequest;
import java.text.DecimalFormat;
/**
* Class ClusterDetailsService
*
* This service class has implementation for providing cluster's basic statistical data.
*
* @since GemFire version 7.5
*/
@Component
@Service("ClusterDetails")
@Scope("singleton")
public class ClusterDetailsService 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();
Cluster.Alert[] alertsList = cluster.getAlertsList();
int severeAlertCount = 0;
int errorAlertCount = 0;
int warningAlertCount = 0;
int infoAlertCount = 0;
for (Cluster.Alert alertObj : alertsList) {
if (alertObj.getSeverity() == Cluster.Alert.SEVERE) {
severeAlertCount++;
} else if (alertObj.getSeverity() == Cluster.Alert.ERROR) {
errorAlertCount++;
} else if (alertObj.getSeverity() == Cluster.Alert.WARNING) {
warningAlertCount++;
} else {
infoAlertCount++;
}
}
// getting basic details of Cluster
responseJSON.put("clusterName", cluster.getServerName());
responseJSON.put("severeAlertCount", severeAlertCount);
responseJSON.put("errorAlertCount", errorAlertCount);
responseJSON.put("warningAlertCount", warningAlertCount);
responseJSON.put("infoAlertCount", infoAlertCount);
responseJSON.put("totalMembers", cluster.getMemberCount());
responseJSON.put("servers", cluster.getServerCount());
responseJSON.put("clients", cluster.getClientConnectionCount());
responseJSON.put("locators", cluster.getLocatorCount());
responseJSON.put("totalRegions", cluster.getTotalRegionCount());
Long heapSize = cluster.getTotalHeapSize();
DecimalFormat df2 = new DecimalFormat(PulseConstants.DECIMAL_FORMAT_PATTERN);
Double heapS = heapSize.doubleValue() / 1024;
responseJSON.put("totalHeap", Double.valueOf(df2.format(heapS)));
responseJSON.put("functions", cluster.getRunningFunctionCount());
responseJSON.put("uniqueCQs", cluster.getRegisteredCQCount());
responseJSON.put("subscriptions", cluster.getSubscriptionCount());
responseJSON.put("txnCommitted", cluster.getTxnCommittedCount());
responseJSON.put("txnRollback", cluster.getTxnRollbackCount());
responseJSON.put("userName", userName);
return responseJSON;
}
}