| /* |
| * 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.axis2.transport.nhttp; |
| |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.commons.logging.Log; |
| import org.apache.http.params.HttpConnectionParams; |
| |
| import java.util.Properties; |
| import java.io.IOException; |
| import java.net.URL; |
| |
| /** |
| * Store and manage properties that tune the nhttp transport |
| */ |
| public class NHttpConfiguration { |
| |
| // defaults |
| private static final int WORKERS_CORE_THREADS = 20; |
| private static final int WORKERS_MAX_THREADS = 100; |
| private static final int WORKER_KEEP_ALIVE = 5; |
| private static final int BLOCKING_QUEUE_LENGTH = -1; |
| private static final int IO_WORKER_COUNT = 2; |
| private static final int BUFFER_SIZE = 2048; |
| |
| // server listener |
| private static final String S_T_CORE = "snd_t_core"; |
| private static final String S_T_MAX = "snd_t_max"; |
| private static final String S_T_ALIVE = "snd_alive_sec"; |
| private static final String S_T_QLEN = "snd_qlen"; |
| private static final String S_IO_WORKERS = "snd_io_threads"; |
| |
| // client sender |
| private static final String C_T_CORE = "lst_t_core"; |
| private static final String C_T_MAX = "lst_t_max"; |
| private static final String C_T_ALIVE = "lst_alive_sec"; |
| private static final String C_T_QLEN = "lst_qlen"; |
| private static final String C_IO_WORKERS = "lst_io_threads"; |
| |
| // general |
| private static final String G_BUFFER_SIZE = "nhttp_buffer_size"; |
| |
| private static final Log log = LogFactory.getLog(NHttpConfiguration.class); |
| private static NHttpConfiguration _instance = new NHttpConfiguration(); |
| private Properties props = new Properties(); |
| |
| private NHttpConfiguration() { |
| try { |
| props.load(getClass().getClassLoader().getResourceAsStream("nhttp.properties")); |
| } catch (Exception ignore) {} |
| } |
| |
| public static NHttpConfiguration getInstance() { |
| return _instance; |
| } |
| |
| public int getServerCoreThreads() { |
| return getProperty(S_T_CORE, WORKERS_CORE_THREADS); |
| } |
| |
| public int getServerMaxThreads() { |
| return getProperty(S_T_MAX, WORKERS_MAX_THREADS); |
| } |
| |
| public int getServerKeepalive() { |
| return getProperty(S_T_ALIVE, WORKER_KEEP_ALIVE); |
| } |
| |
| public int getServerQueueLen() { |
| return getProperty(S_T_QLEN, BLOCKING_QUEUE_LENGTH); |
| } |
| |
| public int getServerIOWorkers() { |
| return getProperty(S_IO_WORKERS, IO_WORKER_COUNT); |
| } |
| |
| |
| public int getClientCoreThreads() { |
| return getProperty(C_T_CORE, WORKERS_CORE_THREADS); |
| } |
| |
| public int getClientMaxThreads() { |
| return getProperty(C_T_MAX, WORKERS_MAX_THREADS); |
| } |
| |
| public int getClientKeepalive() { |
| return getProperty(C_T_ALIVE, WORKER_KEEP_ALIVE); |
| } |
| |
| public int getClientQueueLen() { |
| return getProperty(C_T_QLEN, BLOCKING_QUEUE_LENGTH); |
| } |
| |
| public int getClientIOWorkers() { |
| return getProperty(C_IO_WORKERS, IO_WORKER_COUNT); |
| } |
| |
| public int getBufferZise() { |
| return getProperty(G_BUFFER_SIZE, BUFFER_SIZE); |
| } |
| |
| /** |
| * Get properties that tune nhttp transport. Preference to system properties |
| * @param name name of the system/config property |
| * @param def default value to return if the property is not set |
| * @return the value of the property to be used |
| */ |
| public int getProperty(String name, int def) { |
| String val = System.getProperty(name); |
| if (val == null) { |
| val = props.getProperty(name); |
| } |
| |
| if (val != null && Integer.valueOf(val).intValue() > 0) { |
| log.debug("Using nhttp tuning parameter : " + name + " = " + val); |
| return Integer.valueOf(val).intValue(); |
| } |
| return def; |
| } |
| |
| } |