e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
349 lines
9.9 KiB
Java
349 lines
9.9 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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package io.netty.channel.socket;
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import io.netty.buffer.ByteBufAllocator;
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import io.netty.channel.ChannelException;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.DefaultChannelConfig;
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import io.netty.channel.MessageSizeEstimator;
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import io.netty.channel.RecvByteBufAllocator;
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import io.netty.channel.WriteBufferWaterMark;
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import io.netty.util.internal.PlatformDependent;
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import java.net.Socket;
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import java.net.SocketException;
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import java.util.Map;
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import static io.netty.channel.ChannelOption.*;
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import static java.util.Objects.requireNonNull;
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/**
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* The default {@link SocketChannelConfig} implementation.
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*/
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public class DefaultSocketChannelConfig extends DefaultChannelConfig
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implements SocketChannelConfig {
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protected final Socket javaSocket;
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private volatile boolean allowHalfClosure;
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/**
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* Creates a new instance.
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*/
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public DefaultSocketChannelConfig(SocketChannel channel, Socket javaSocket) {
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super(channel);
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requireNonNull(javaSocket, "javaSocket");
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this.javaSocket = javaSocket;
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// Enable TCP_NODELAY by default if possible.
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if (PlatformDependent.canEnableTcpNoDelayByDefault()) {
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try {
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setTcpNoDelay(true);
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} catch (Exception e) {
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// Ignore.
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}
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}
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}
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@Override
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public Map<ChannelOption<?>, Object> getOptions() {
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return getOptions(
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super.getOptions(),
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SO_RCVBUF, SO_SNDBUF, TCP_NODELAY, SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, IP_TOS,
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ALLOW_HALF_CLOSURE);
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> T getOption(ChannelOption<T> option) {
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if (option == SO_RCVBUF) {
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return (T) Integer.valueOf(getReceiveBufferSize());
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}
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if (option == SO_SNDBUF) {
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return (T) Integer.valueOf(getSendBufferSize());
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}
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if (option == TCP_NODELAY) {
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return (T) Boolean.valueOf(isTcpNoDelay());
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}
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if (option == SO_KEEPALIVE) {
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return (T) Boolean.valueOf(isKeepAlive());
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}
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if (option == SO_REUSEADDR) {
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return (T) Boolean.valueOf(isReuseAddress());
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}
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if (option == SO_LINGER) {
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return (T) Integer.valueOf(getSoLinger());
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}
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if (option == IP_TOS) {
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return (T) Integer.valueOf(getTrafficClass());
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}
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if (option == ALLOW_HALF_CLOSURE) {
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return (T) Boolean.valueOf(isAllowHalfClosure());
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}
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return super.getOption(option);
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}
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@Override
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public <T> boolean setOption(ChannelOption<T> option, T value) {
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validate(option, value);
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if (option == SO_RCVBUF) {
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setReceiveBufferSize((Integer) value);
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} else if (option == SO_SNDBUF) {
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setSendBufferSize((Integer) value);
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} else if (option == TCP_NODELAY) {
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setTcpNoDelay((Boolean) value);
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} else if (option == SO_KEEPALIVE) {
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setKeepAlive((Boolean) value);
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} else if (option == SO_REUSEADDR) {
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setReuseAddress((Boolean) value);
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} else if (option == SO_LINGER) {
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setSoLinger((Integer) value);
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} else if (option == IP_TOS) {
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setTrafficClass((Integer) value);
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} else if (option == ALLOW_HALF_CLOSURE) {
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setAllowHalfClosure((Boolean) value);
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} else {
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return super.setOption(option, value);
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}
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return true;
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}
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@Override
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public int getReceiveBufferSize() {
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try {
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return javaSocket.getReceiveBufferSize();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public int getSendBufferSize() {
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try {
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return javaSocket.getSendBufferSize();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public int getSoLinger() {
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try {
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return javaSocket.getSoLinger();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public int getTrafficClass() {
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try {
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return javaSocket.getTrafficClass();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public boolean isKeepAlive() {
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try {
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return javaSocket.getKeepAlive();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public boolean isReuseAddress() {
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try {
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return javaSocket.getReuseAddress();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public boolean isTcpNoDelay() {
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try {
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return javaSocket.getTcpNoDelay();
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public SocketChannelConfig setKeepAlive(boolean keepAlive) {
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try {
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javaSocket.setKeepAlive(keepAlive);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setPerformancePreferences(
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int connectionTime, int latency, int bandwidth) {
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javaSocket.setPerformancePreferences(connectionTime, latency, bandwidth);
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return this;
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}
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@Override
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public SocketChannelConfig setReceiveBufferSize(int receiveBufferSize) {
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try {
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javaSocket.setReceiveBufferSize(receiveBufferSize);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setReuseAddress(boolean reuseAddress) {
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try {
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javaSocket.setReuseAddress(reuseAddress);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setSendBufferSize(int sendBufferSize) {
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try {
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javaSocket.setSendBufferSize(sendBufferSize);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setSoLinger(int soLinger) {
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try {
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if (soLinger < 0) {
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javaSocket.setSoLinger(false, 0);
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} else {
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javaSocket.setSoLinger(true, soLinger);
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}
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setTcpNoDelay(boolean tcpNoDelay) {
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try {
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javaSocket.setTcpNoDelay(tcpNoDelay);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public SocketChannelConfig setTrafficClass(int trafficClass) {
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try {
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javaSocket.setTrafficClass(trafficClass);
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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return this;
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}
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@Override
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public boolean isAllowHalfClosure() {
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return allowHalfClosure;
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}
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@Override
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public SocketChannelConfig setAllowHalfClosure(boolean allowHalfClosure) {
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this.allowHalfClosure = allowHalfClosure;
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return this;
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}
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@Override
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public SocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
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super.setConnectTimeoutMillis(connectTimeoutMillis);
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return this;
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}
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@Override
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@Deprecated
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public SocketChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
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super.setMaxMessagesPerRead(maxMessagesPerRead);
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return this;
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}
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@Override
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public SocketChannelConfig setWriteSpinCount(int writeSpinCount) {
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super.setWriteSpinCount(writeSpinCount);
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return this;
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}
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@Override
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public SocketChannelConfig setAllocator(ByteBufAllocator allocator) {
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super.setAllocator(allocator);
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return this;
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}
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@Override
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public SocketChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
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super.setRecvByteBufAllocator(allocator);
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return this;
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}
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@Override
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public SocketChannelConfig setAutoRead(boolean autoRead) {
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super.setAutoRead(autoRead);
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return this;
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}
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@Override
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public SocketChannelConfig setAutoClose(boolean autoClose) {
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super.setAutoClose(autoClose);
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return this;
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}
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@Override
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public SocketChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
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super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
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return this;
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}
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@Override
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public SocketChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
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super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
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return this;
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}
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@Override
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public SocketChannelConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
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super.setWriteBufferWaterMark(writeBufferWaterMark);
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return this;
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}
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@Override
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public SocketChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
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super.setMessageSizeEstimator(estimator);
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return this;
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}
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}
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