/*
* 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.ChannelConfig;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.util.internal.PlatformDependent;
import java.net.Socket;
import java.net.SocketException;
import java.util.Map;
import static io.netty.channel.ChannelOption.*;
/**
* The default {@link SocketChannelConfig} implementation.
*/
public class DefaultSocketChannelConfig extends DefaultChannelConfig
implements SocketChannelConfig {
protected final Socket javaSocket;
private volatile boolean allowHalfClosure;
/**
* Creates a new instance.
*/
public DefaultSocketChannelConfig(SocketChannel channel, Socket javaSocket) {
super(channel);
if (javaSocket == null) {
throw new NullPointerException("javaSocket");
}
this.javaSocket = javaSocket;
// Enable TCP_NODELAY by default if possible.
if (PlatformDependent.canEnableTcpNoDelayByDefault()) {
try {
setTcpNoDelay(true);
} catch (Exception e) {
// Ignore.
}
}
}
@Override
public Map<ChannelOption<?>, Object> getOptions() {
return getOptions(
super.getOptions(),
SO_RCVBUF, SO_SNDBUF, TCP_NODELAY, SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, IP_TOS,
ALLOW_HALF_CLOSURE);
}
@SuppressWarnings("unchecked")
@Override
public <T> T getOption(ChannelOption<T> option) {
if (option == SO_RCVBUF) {
return (T) Integer.valueOf(getReceiveBufferSize());
}
if (option == SO_SNDBUF) {
return (T) Integer.valueOf(getSendBufferSize());
}
if (option == TCP_NODELAY) {
return (T) Boolean.valueOf(isTcpNoDelay());
}
if (option == SO_KEEPALIVE) {
return (T) Boolean.valueOf(isKeepAlive());
}
if (option == SO_REUSEADDR) {
return (T) Boolean.valueOf(isReuseAddress());
}
if (option == SO_LINGER) {
return (T) Integer.valueOf(getSoLinger());
}
if (option == IP_TOS) {
return (T) Integer.valueOf(getTrafficClass());
}
if (option == ALLOW_HALF_CLOSURE) {
return (T) Boolean.valueOf(isAllowHalfClosure());
}
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_SNDBUF) {
setSendBufferSize((Integer) value);
} else if (option == TCP_NODELAY) {
setTcpNoDelay((Boolean) value);
} else if (option == SO_KEEPALIVE) {
setKeepAlive((Boolean) value);
} else if (option == SO_REUSEADDR) {
setReuseAddress((Boolean) value);
} else if (option == SO_LINGER) {
setSoLinger((Integer) value);
} else if (option == IP_TOS) {
setTrafficClass((Integer) value);
} else if (option == ALLOW_HALF_CLOSURE) {
setAllowHalfClosure((Boolean) value);
} else {
return super.setOption(option, value);
}
return true;
}
@Override
public int getReceiveBufferSize() {
try {
return javaSocket.getReceiveBufferSize();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public int getSendBufferSize() {
try {
return javaSocket.getSendBufferSize();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public int getSoLinger() {
try {
return javaSocket.getSoLinger();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public int getTrafficClass() {
try {
return javaSocket.getTrafficClass();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public boolean isKeepAlive() {
try {
return javaSocket.getKeepAlive();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public boolean isReuseAddress() {
try {
return javaSocket.getReuseAddress();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public boolean isTcpNoDelay() {
try {
return javaSocket.getTcpNoDelay();
} catch (SocketException e) {
throw new ChannelException(e);
}
}
@Override
public SocketChannelConfig setKeepAlive(boolean keepAlive) {
try {
javaSocket.setKeepAlive(keepAlive);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setPerformancePreferences(
int connectionTime, int latency, int bandwidth) {
javaSocket.setPerformancePreferences(connectionTime, latency, bandwidth);
return this;
}
@Override
public SocketChannelConfig setReceiveBufferSize(int receiveBufferSize) {
try {
javaSocket.setReceiveBufferSize(receiveBufferSize);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setReuseAddress(boolean reuseAddress) {
try {
javaSocket.setReuseAddress(reuseAddress);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setSendBufferSize(int sendBufferSize) {
try {
javaSocket.setSendBufferSize(sendBufferSize);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setSoLinger(int soLinger) {
try {
if (soLinger < 0) {
javaSocket.setSoLinger(false, 0);
} else {
javaSocket.setSoLinger(true, soLinger);
}
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setTcpNoDelay(boolean tcpNoDelay) {
try {
javaSocket.setTcpNoDelay(tcpNoDelay);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public SocketChannelConfig setTrafficClass(int trafficClass) {
try {
javaSocket.setTrafficClass(trafficClass);
} catch (SocketException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public boolean isAllowHalfClosure() {
return allowHalfClosure;
}
@Override
public SocketChannelConfig setAllowHalfClosure(boolean allowHalfClosure) {
this.allowHalfClosure = allowHalfClosure;
return this;
}
@Override
public SocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
return (SocketChannelConfig) super.setConnectTimeoutMillis(connectTimeoutMillis);
}
@Override
public SocketChannelConfig setWriteSpinCount(int writeSpinCount) {
return (SocketChannelConfig) super.setWriteSpinCount(writeSpinCount);
}
@Override
public SocketChannelConfig setAllocator(ByteBufAllocator allocator) {
return (SocketChannelConfig) super.setAllocator(allocator);
}
@Override
public SocketChannelConfig setAutoRead(boolean autoRead) {
return (SocketChannelConfig) super.setAutoRead(autoRead);
}
@Override
public SocketChannelConfig setDefaultHandlerByteBufType(ChannelHandlerByteBufType type) {
return (SocketChannelConfig) super.setDefaultHandlerByteBufType(type);
}
}