/*
* ====================================================================
* 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.http.impl.nio.pool;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.http.HttpHost;
import org.apache.http.annotation.ThreadSafe;
import org.apache.http.concurrent.FutureCallback;
import org.apache.http.nio.pool.AbstractNIOConnPool;
import org.apache.http.nio.reactor.ConnectingIOReactor;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
/**
* Basic non-blocking {@link IOSession} pool.
* <p>
* The following parameters can be used to customize the behavior of this
* class:
* <ul>
* <li>{@link org.apache.http.params.CoreConnectionPNames#CONNECTION_TIMEOUT}</li>
* </ul>
*
* @since 4.2
*/
@ThreadSafe
public class BasicNIOConnPool extends AbstractNIOConnPool<HttpHost, IOSession, BasicNIOPoolEntry> {
private static AtomicLong COUNTER = new AtomicLong();
private final HttpParams params;
public BasicNIOConnPool(final ConnectingIOReactor ioreactor, final HttpParams params) {
super(ioreactor, 2, 20);
if (params == null) {
throw new IllegalArgumentException("HTTP parameters may not be null");
}
this.params = params;
}
@Override
protected SocketAddress resolveRemoteAddress(final HttpHost host) {
return new InetSocketAddress(host.getHostName(), host.getPort());
}
@Override
protected SocketAddress resolveLocalAddress(final HttpHost host) {
return null;
}
@Override
protected IOSession createConnection(final HttpHost route, final IOSession session) {
return session;
}
@Override
protected BasicNIOPoolEntry createEntry(final HttpHost host, final IOSession conn) {
return new BasicNIOPoolEntry(Long.toString(COUNTER.getAndIncrement()), host, conn);
}
@Override
protected void closeEntry(final BasicNIOPoolEntry entry) {
IOSession iosession = entry.getConnection();
iosession.shutdown();
}
@Override
public Future<BasicNIOPoolEntry> lease(
final HttpHost route,
final Object state,
final FutureCallback<BasicNIOPoolEntry> callback) {
int connectTimeout = HttpConnectionParams.getConnectionTimeout(this.params);
return super.lease(route, state, connectTimeout, TimeUnit.MILLISECONDS, callback);
}
@Override
public Future<BasicNIOPoolEntry> lease(final HttpHost route, final Object state) {
int connectTimeout = HttpConnectionParams.getConnectionTimeout(this.params);
return super.lease(route, state, connectTimeout, TimeUnit.MILLISECONDS, null);
}
}