io.undertow.server.XnioByteBufferPool Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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 io.undertow.server;
import io.undertow.connector.ByteBufferPool;
import io.undertow.connector.PooledByteBuffer;
import org.xnio.Pool;
import org.xnio.Pooled;
import java.nio.ByteBuffer;
/**
* @author Stuart Douglas
*/
public class XnioByteBufferPool implements ByteBufferPool {
private final Pool pool;
private final ByteBufferPool arrayBackedPool;
private final int bufferSize;
private final boolean direct;
public XnioByteBufferPool(Pool pool) {
this.pool = pool;
Pooled buf = pool.allocate();
bufferSize = buf.getResource().remaining();
direct = !buf.getResource().hasArray();
buf.free();
if(direct) {
arrayBackedPool = new DefaultByteBufferPool(false, bufferSize);
} else {
arrayBackedPool = this;
}
}
@Override
public PooledByteBuffer allocate() {
final Pooled buf = pool.allocate();
return new PooledByteBuffer() {
private boolean open = true;
@Override
public ByteBuffer getBuffer() {
return buf.getResource();
}
@Override
public void close() {
open = false;
buf.free();
}
@Override
public boolean isOpen() {
return open;
}
};
}
@Override
public ByteBufferPool getArrayBackedPool() {
return arrayBackedPool;
}
@Override
public void close() {
}
@Override
public int getBufferSize() {
return bufferSize;
}
@Override
public boolean isDirect() {
return direct;
}
}