/*
*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
* /
*/
package org.wildfly.extension.io;
import java.nio.ByteBuffer;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.xnio.BufferAllocator;
import org.xnio.ByteBufferSlicePool;
import org.xnio.Pool;
/**
* @author <a href="mailto:tomaz.cerar@redhat.com">Tomaz Cerar</a> (c) 2013 Red Hat Inc.
*/
public class BufferPoolService implements Service<Pool<ByteBuffer>> {
private volatile Pool<ByteBuffer> bufferPool;
/*<buffer-pool name="default" buffer-size="2048" buffers-per-slice="512"/>*/
private final int bufferSize;
private final int buffersPerSlice;
private final boolean directBuffers;
public BufferPoolService(int bufferSize, int buffersPerSlice, final boolean directBuffers) {
this.bufferSize = bufferSize;
this.buffersPerSlice = buffersPerSlice;
this.directBuffers = directBuffers;
}
@Override
public void start(StartContext context) throws StartException {
bufferPool = new ByteBufferSlicePool(directBuffers ? BufferAllocator.DIRECT_BYTE_BUFFER_ALLOCATOR : BufferAllocator.BYTE_BUFFER_ALLOCATOR, bufferSize, buffersPerSlice * bufferSize);
}
@Override
public void stop(StopContext context) {
}
@Override
public Pool<ByteBuffer> getValue() throws IllegalStateException, IllegalArgumentException {
return bufferPool;
}
}