org.apache.zookeeper.server.command.DumpCommand Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.zookeeper.server.command;
import java.io.PrintWriter;
import org.apache.zookeeper.server.NIOServerCnxnFactory;
import org.apache.zookeeper.server.ServerCnxn;
public class DumpCommand extends AbstractFourLetterCommand {
public DumpCommand(PrintWriter pw, ServerCnxn serverCnxn) {
super(pw, serverCnxn);
}
@Override
public void commandRun() {
if (!isZKServerRunning()) {
pw.println(ZK_NOT_SERVING);
} else {
pw.println("SessionTracker dump:");
zkServer.getSessionTracker().dumpSessions(pw);
pw.println("ephemeral nodes dump:");
zkServer.dumpEphemerals(pw);
pw.println("Connections dump:");
//dumpConnections connection is implemented only in NIOServerCnxnFactory
if (factory instanceof NIOServerCnxnFactory) {
((NIOServerCnxnFactory) factory).dumpConnections(pw);
}
}
}
}