| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.client5.http.impl; |
| |
| import java.util.concurrent.ThreadFactory; |
| |
| import org.apache.hc.core5.annotation.Contract; |
| import org.apache.hc.core5.annotation.ThreadingBehavior; |
| import org.apache.hc.core5.concurrent.DefaultThreadFactory; |
| import org.apache.hc.core5.pool.ConnPoolControl; |
| import org.apache.hc.core5.util.Args; |
| import org.apache.hc.core5.util.TimeValue; |
| import org.apache.hc.core5.util.Timeout; |
| |
| /** |
| * This class maintains a background thread to enforce an eviction policy for expired / idle |
| * persistent connections kept alive in the connection pool. |
| * |
| * @since 4.4 |
| */ |
| @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL) |
| public final class IdleConnectionEvictor { |
| |
| private final ThreadFactory threadFactory; |
| private final Thread thread; |
| |
| public IdleConnectionEvictor(final ConnPoolControl<?> connectionManager, final ThreadFactory threadFactory, |
| final TimeValue sleepTime, final TimeValue maxIdleTime) { |
| Args.notNull(connectionManager, "Connection manager"); |
| this.threadFactory = threadFactory != null ? threadFactory : new DefaultThreadFactory("idle-connection-evictor", true); |
| final TimeValue localSleepTime = sleepTime != null ? sleepTime : TimeValue.ofSeconds(5); |
| this.thread = this.threadFactory.newThread(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| while (!Thread.currentThread().isInterrupted()) { |
| localSleepTime.sleep(); |
| connectionManager.closeExpired(); |
| if (maxIdleTime != null) { |
| connectionManager.closeIdle(maxIdleTime); |
| } |
| } |
| } catch (final InterruptedException ex) { |
| Thread.currentThread().interrupt(); |
| } catch (final Exception ex) { |
| } |
| |
| } |
| }); |
| } |
| |
| public IdleConnectionEvictor(final ConnPoolControl<?> connectionManager, final TimeValue sleepTime, final TimeValue maxIdleTime) { |
| this(connectionManager, null, sleepTime, maxIdleTime); |
| } |
| |
| public IdleConnectionEvictor(final ConnPoolControl<?> connectionManager, final TimeValue maxIdleTime) { |
| this(connectionManager, null, maxIdleTime, maxIdleTime); |
| } |
| |
| public void start() { |
| thread.start(); |
| } |
| |
| public void shutdown() { |
| thread.interrupt(); |
| } |
| |
| public boolean isRunning() { |
| return thread.isAlive(); |
| } |
| |
| public void awaitTermination(final Timeout timeout) throws InterruptedException { |
| thread.join(timeout != null ? timeout.toMilliseconds() : Long.MAX_VALUE); |
| } |
| |
| } |