| /* |
| * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.sun.enterprise.admin.monitor.stats; |
| |
| /** |
| * |
| * @author nsegura |
| */ |
| |
| import org.glassfish.j2ee.statistics.Stats; |
| import org.glassfish.j2ee.statistics.CountStatistic; |
| |
| /** |
| * Provides statistical information about the HttpService HTTP-level keep-alive |
| * system |
| */ |
| public interface PWCKeepAliveStats extends Stats { |
| |
| /** |
| * Number of connections in keep-alive mode |
| * @return number of connections |
| */ |
| CountStatistic getCountConnections(); |
| |
| /** |
| * Maximum number of connections allowed in keep-alive mode simultaneously |
| * @return Max number of connections allowed |
| */ |
| CountStatistic getMaxConnections(); |
| |
| /** |
| * The number of times a request was successfully received from a |
| * connection that had been kept alive |
| * @return hits |
| */ |
| CountStatistic getCountHits(); |
| |
| /** |
| * The number of times the server had to close a connection because the |
| * KeepAliveCount exceeded the MaxKeepAliveConnections |
| * @return connections |
| */ |
| CountStatistic getCountFlushes(); |
| |
| /** |
| * The number of times the server could not hand off the connection to a |
| * keep-alive thread, possibly due to too many persistent connections |
| * @return refusals |
| */ |
| CountStatistic getCountRefusals(); |
| |
| /** |
| * The number of times the server terminated keep-alive connections as the |
| * client connections timed out, without any activity |
| * @return connections timed out |
| */ |
| CountStatistic getCountTimeouts(); |
| |
| /** |
| * The time (in seconds) before idle keep-alive connections are closed |
| * @return time in seconds |
| */ |
| CountStatistic getSecondsTimeouts(); |
| |
| } |