/*
* Copyright 2011 The Netty Project
*
* The Netty Project 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.
*/
package org.jboss.netty.channel.socket;
import java.io.IOException;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.MulticastSocket;
import java.net.NetworkInterface;
import java.net.SocketException;
import org.jboss.netty.channel.ChannelException;
import org.jboss.netty.channel.DefaultChannelConfig;
import org.jboss.netty.channel.FixedReceiveBufferSizePredictorFactory;
import org.jboss.netty.channel.ReceiveBufferSizePredictor;
import org.jboss.netty.channel.ReceiveBufferSizePredictorFactory;
import org.jboss.netty.util.internal.ConversionUtil;
/**
* The default {@link DatagramChannelConfig} implementation.
*/
public class DefaultDatagramChannelConfig extends DefaultChannelConfig
implements DatagramChannelConfig {
private static final ReceiveBufferSizePredictorFactory DEFAULT_PREDICTOR_FACTORY =
new FixedReceiveBufferSizePredictorFactory(768);
private final DatagramSocket socket;
private volatile ReceiveBufferSizePredictor predictor;
private volatile ReceiveBufferSizePredictorFactory predictorFactory = DEFAULT_PREDICTOR_FACTORY;
/**
* Creates a new instance.
*/
public DefaultDatagramChannelConfig(DatagramSocket socket) {
if (socket == null) {
throw new NullPointerException("socket");
}
this.socket = socket;
}
@Override
public boolean setOption(String key, Object value) {
if (super.setOption(key, value)) {
return true;
}
if (key.equals("broadcast")) {
setBroadcast(ConversionUtil.toBoolean(value));
} else if (key.equals("receiveBufferSize")) {
setReceiveBufferSize(ConversionUtil.toInt(value));
} else if (key.equals("sendBufferSize")) {
setSendBufferSize(ConversionUtil.toInt(value));
} else if (key.equals("receiveBufferSizePredictorFactory")) {
setReceiveBufferSizePredictorFactory((ReceiveBufferSizePredictorFactory) value);
} else if (key.equals("receiveBufferSizePredictor")) {
setReceiveBufferSizePredictor((ReceiveBufferSizePredictor) value);
} else if (key.equals("reuseAddress")) {
setReuseAddress(ConversionUtil.toBoolean(value));
} else if (key.equals("loopbackModeDisabled")) {
setLoopbackModeDisabled(ConversionUtil.toBoolean(value));
} else if (key.equals("interface")) {
setInterface((InetAddress) value);
} else if (key.equals("networkInterface")) {
setNetworkInterface((NetworkInterface) value);
} else if (key.equals("timeToLive")) {
setTimeToLive(ConversionUtil.toInt(value));
} else if (key.equals("trafficClass")) {
setTrafficClass(ConversionUtil.toInt(value));
} else {
return false;
}
return true;
}
public boolean isBroadcast() {
try {
return socket.getBroadcast();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public void setBroadcast(boolean broadcast) {
try {
socket.setBroadcast(broadcast);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public InetAddress getInterface() {
if (socket instanceof MulticastSocket) {
try {
return ((MulticastSocket) socket).getInterface();
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public void setInterface(InetAddress interfaceAddress) {
if (socket instanceof MulticastSocket) {
try {
((MulticastSocket) socket).setInterface(interfaceAddress);
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public boolean isLoopbackModeDisabled() {
if (socket instanceof MulticastSocket) {
try {
return ((MulticastSocket) socket).getLoopbackMode();
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public void setLoopbackModeDisabled(boolean loopbackModeDisabled) {
if (socket instanceof MulticastSocket) {
try {
((MulticastSocket) socket).setLoopbackMode(loopbackModeDisabled);
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public NetworkInterface getNetworkInterface() {
if (socket instanceof MulticastSocket) {
try {
return ((MulticastSocket) socket).getNetworkInterface();
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public void setNetworkInterface(NetworkInterface networkInterface) {
if (socket instanceof MulticastSocket) {
try {
((MulticastSocket) socket).setNetworkInterface(networkInterface);
} catch (SocketException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public boolean isReuseAddress() {
try {
return socket.getReuseAddress();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public void setReuseAddress(boolean reuseAddress) {
try {
socket.setReuseAddress(reuseAddress);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public int getReceiveBufferSize() {
try {
return socket.getReceiveBufferSize();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public void setReceiveBufferSize(int receiveBufferSize) {
try {
socket.setReceiveBufferSize(receiveBufferSize);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public int getSendBufferSize() {
try {
return socket.getSendBufferSize();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public void setSendBufferSize(int sendBufferSize) {
try {
socket.setSendBufferSize(sendBufferSize);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public int getTimeToLive() {
if (socket instanceof MulticastSocket) {
try {
return ((MulticastSocket) socket).getTimeToLive();
} catch (IOException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public void setTimeToLive(int ttl) {
if (socket instanceof MulticastSocket) {
try {
((MulticastSocket) socket).setTimeToLive(ttl);
} catch (IOException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
public int getTrafficClass() {
try {
return socket.getTrafficClass();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public void setTrafficClass(int trafficClass) {
try {
socket.setTrafficClass(trafficClass);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
public ReceiveBufferSizePredictor getReceiveBufferSizePredictor() {
ReceiveBufferSizePredictor predictor = this.predictor;
if (predictor == null) {
try {
this.predictor = predictor = getReceiveBufferSizePredictorFactory().getPredictor();
} catch (Exception e) {
throw new ChannelException(
"Failed to create a new " +
ReceiveBufferSizePredictor.class.getSimpleName() + '.',
e);
}
}
return predictor;
}
public void setReceiveBufferSizePredictor(
ReceiveBufferSizePredictor predictor) {
if (predictor == null) {
throw new NullPointerException("predictor");
}
this.predictor = predictor;
}
public ReceiveBufferSizePredictorFactory getReceiveBufferSizePredictorFactory() {
return predictorFactory;
}
public void setReceiveBufferSizePredictorFactory(ReceiveBufferSizePredictorFactory predictorFactory) {
if (predictorFactory == null) {
throw new NullPointerException("predictorFactory");
}
this.predictorFactory = predictorFactory;
}
}