2009-06-11 02:48:49 +02:00
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/*
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2009-08-28 09:15:49 +02:00
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* Copyright 2009 Red Hat, Inc.
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2009-06-11 02:48:49 +02:00
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*
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2009-08-28 09:15:49 +02:00
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* Red Hat licenses this file to you under the Apache License, version 2.0
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* (the "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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2009-06-11 02:48:49 +02:00
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*
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2009-08-28 09:15:49 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2009-06-11 02:48:49 +02:00
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*
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2009-08-28 09:15:49 +02:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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2009-06-11 02:48:49 +02:00
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*/
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package org.jboss.netty.channel.socket.nio;
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import java.net.DatagramSocket;
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import java.util.Map;
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import org.jboss.netty.channel.socket.DefaultDatagramChannelConfig;
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import org.jboss.netty.logging.InternalLogger;
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import org.jboss.netty.logging.InternalLoggerFactory;
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import org.jboss.netty.util.internal.ConversionUtil;
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/**
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* The default {@link NioSocketChannelConfig} implementation.
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*
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2010-01-26 10:04:19 +01:00
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* @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
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* @author <a href="http://gleamynode.net/">Trustin Lee</a>
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2009-06-11 07:06:14 +02:00
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* @author Daniel Bevenius (dbevenius@jboss.com)
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2009-06-11 02:48:49 +02:00
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*/
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class DefaultNioDatagramChannelConfig extends DefaultDatagramChannelConfig
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implements NioDatagramChannelConfig {
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private static final InternalLogger logger =
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InternalLoggerFactory
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.getInstance(DefaultNioDatagramChannelConfig.class);
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private volatile int writeBufferHighWaterMark = 64 * 1024;
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private volatile int writeBufferLowWaterMark = 32 * 1024;
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private volatile int writeSpinCount = 16;
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DefaultNioDatagramChannelConfig(DatagramSocket socket) {
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super(socket);
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}
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@Override
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public void setOptions(Map<String, Object> options) {
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super.setOptions(options);
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if (getWriteBufferHighWaterMark() < getWriteBufferLowWaterMark()) {
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// Recover the integrity of the configuration with a sensible value.
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setWriteBufferLowWaterMark0(getWriteBufferHighWaterMark() >>> 1);
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// Notify the user about misconfiguration.
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logger.warn("writeBufferLowWaterMark cannot be greater than "
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+ "writeBufferHighWaterMark; setting to the half of the "
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+ "writeBufferHighWaterMark.");
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}
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}
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@Override
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public boolean setOption(String key, Object value) {
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if (super.setOption(key, value)) {
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return true;
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}
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if (key.equals("writeBufferHighWaterMark")) {
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setWriteBufferHighWaterMark0(ConversionUtil.toInt(value));
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} else if (key.equals("writeBufferLowWaterMark")) {
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setWriteBufferLowWaterMark0(ConversionUtil.toInt(value));
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} else if (key.equals("writeSpinCount")) {
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setWriteSpinCount(ConversionUtil.toInt(value));
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} else {
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return false;
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}
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return true;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public int getWriteBufferHighWaterMark() {
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return writeBufferHighWaterMark;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public void setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
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if (writeBufferHighWaterMark < getWriteBufferLowWaterMark()) {
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throw new IllegalArgumentException(
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"writeBufferHighWaterMark cannot be less than " +
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"writeBufferLowWaterMark (" +
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getWriteBufferLowWaterMark() + "): " +
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writeBufferHighWaterMark);
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}
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setWriteBufferHighWaterMark0(writeBufferHighWaterMark);
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}
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private void setWriteBufferHighWaterMark0(int writeBufferHighWaterMark) {
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if (writeBufferHighWaterMark < 0) {
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throw new IllegalArgumentException("writeBufferHighWaterMark: " +
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writeBufferHighWaterMark);
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}
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this.writeBufferHighWaterMark = writeBufferHighWaterMark;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public int getWriteBufferLowWaterMark() {
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return writeBufferLowWaterMark;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public void setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
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if (writeBufferLowWaterMark > getWriteBufferHighWaterMark()) {
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throw new IllegalArgumentException(
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"writeBufferLowWaterMark cannot be greater than " +
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"writeBufferHighWaterMark (" +
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getWriteBufferHighWaterMark() + "): " +
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writeBufferLowWaterMark);
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}
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setWriteBufferLowWaterMark0(writeBufferLowWaterMark);
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}
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private void setWriteBufferLowWaterMark0(int writeBufferLowWaterMark) {
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if (writeBufferLowWaterMark < 0) {
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throw new IllegalArgumentException("writeBufferLowWaterMark: " +
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writeBufferLowWaterMark);
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}
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this.writeBufferLowWaterMark = writeBufferLowWaterMark;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public int getWriteSpinCount() {
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return writeSpinCount;
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}
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2010-11-12 01:45:39 +01:00
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@Override
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2009-06-11 02:48:49 +02:00
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public void setWriteSpinCount(int writeSpinCount) {
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if (writeSpinCount <= 0) {
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throw new IllegalArgumentException(
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"writeSpinCount must be a positive integer.");
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}
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this.writeSpinCount = writeSpinCount;
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}
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}
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