/*
* Copyright 2012 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 io.netty.channel.socket;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.util.NetUtil;
import java.net.ServerSocket;
import java.net.SocketException;
import java.util.Map;
import static io.netty.channel.ChannelOption.*;
/**
* The default {@link ServerSocketChannelConfig} implementation.
*/
public class DefaultServerSocketChannelConfig extends DefaultChannelConfig
implements ServerSocketChannelConfig {
protected final ServerSocket javaSocket;
private volatile int backlog = NetUtil.SOMAXCONN;
/**
* Creates a new instance.
*/
public DefaultServerSocketChannelConfig(ServerSocketChannel channel, ServerSocket javaSocket) {
super(channel);
if (javaSocket == null) {
throw new NullPointerException("javaSocket");
}
this.javaSocket = javaSocket;
}
@Override
public Map<ChannelOption<?>, Object> getOptions() {
return getOptions(super.getOptions(), SO_RCVBUF, SO_REUSEADDR, SO_BACKLOG);
}
@SuppressWarnings("unchecked")
@Override
public <T> T getOption(ChannelOption<T> option) {
if (option == SO_RCVBUF) {
return (T) Integer.valueOf(getReceiveBufferSize());
}
if (option == SO_REUSEADDR) {
return (T) Boolean.valueOf(isReuseAddress());
}
if (option == SO_BACKLOG) {
return (T) Integer.valueOf(getBacklog());
}
return super.getOption(option);
}
@Override
public <T> boolean setOption(ChannelOption<T> option, T value) {
validate(option, value);
if (option == SO_RCVBUF) {
setReceiveBufferSize((Integer) value);
} else if (option == SO_REUSEADDR) {
setReuseAddress((Boolean) value);
} else if (option == SO_BACKLOG) {
setBacklog((Integer) value);
} else {
return super.setOption(option, value);
}
return true;
}
@Override
public boolean isReuseAddress() {
try {
return javaSocket.getReuseAddress();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public ServerSocketChannelConfig setReuseAddress(boolean reuseAddress) {
try {
javaSocket.setReuseAddress(reuseAddress);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public int getReceiveBufferSize() {
try {
return javaSocket.getReceiveBufferSize();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public ServerSocketChannelConfig setReceiveBufferSize(int receiveBufferSize) {
try {
javaSocket.setReceiveBufferSize(receiveBufferSize);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public ServerSocketChannelConfig setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
javaSocket.setPerformancePreferences(connectionTime, latency, bandwidth);
return this;
}
@Override
public int getBacklog() {
return backlog;
}
@Override
public ServerSocketChannelConfig setBacklog(int backlog) {
if (backlog < 0) {
throw new IllegalArgumentException("backlog: " + backlog);
}
this.backlog = backlog;
return this;
}
@Override
public ServerSocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
return (ServerSocketChannelConfig) super.setConnectTimeoutMillis(connectTimeoutMillis);
}
@Override
public ServerSocketChannelConfig setWriteSpinCount(int writeSpinCount) {
return (ServerSocketChannelConfig) super.setWriteSpinCount(writeSpinCount);
}
@Override
public ServerSocketChannelConfig setAllocator(ByteBufAllocator allocator) {
return (ServerSocketChannelConfig) super.setAllocator(allocator);
}
@Override
public ServerSocketChannelConfig setAutoRead(boolean autoRead) {
return (ServerSocketChannelConfig) super.setAutoRead(autoRead);
}
@Override
public ServerSocketChannelConfig setDefaultHandlerByteBufType(ChannelHandlerByteBufType type) {
return (ServerSocketChannelConfig) super.setDefaultHandlerByteBufType(type);
}
}