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/*
 * 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.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandler;
import io.netty.channel.ChannelOption;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;

import java.net.Socket;
import java.net.StandardSocketOptions;

/**
 * A {@link ChannelConfig} for a {@link SocketChannel}.
 *
 * 

Available options

* * In addition to the options provided by {@link ChannelConfig}, * {@link SocketChannelConfig} allows the following options in the option map: * * * * * * * * * * * * * * * * * * * * * *
NameAssociated setter method
{@link ChannelOption#SO_KEEPALIVE}{@link #setKeepAlive(boolean)}
{@link ChannelOption#SO_REUSEADDR}{@link #setReuseAddress(boolean)}
{@link ChannelOption#SO_LINGER}{@link #setSoLinger(int)}
{@link ChannelOption#TCP_NODELAY}{@link #setTcpNoDelay(boolean)}
{@link ChannelOption#SO_RCVBUF}{@link #setReceiveBufferSize(int)}
{@link ChannelOption#SO_SNDBUF}{@link #setSendBufferSize(int)}
{@link ChannelOption#IP_TOS}{@link #setTrafficClass(int)}
{@link ChannelOption#ALLOW_HALF_CLOSURE}{@link #setAllowHalfClosure(boolean)}
*/ public interface SocketChannelConfig extends ChannelConfig { /** * Gets the {@link StandardSocketOptions#TCP_NODELAY} option. Please note that the default value of this option * is {@code true} unlike the operating system default ({@code false}). However, for some buggy platforms, such as * Android, that shows erratic behavior with Nagle's algorithm disabled, the default value remains to be * {@code false}. */ boolean isTcpNoDelay(); /** * Sets the {@link StandardSocketOptions#TCP_NODELAY} option. Please note that the default value of this option * is {@code true} unlike the operating system default ({@code false}). However, for some buggy platforms, such as * Android, that shows erratic behavior with Nagle's algorithm disabled, the default value remains to be * {@code false}. */ SocketChannelConfig setTcpNoDelay(boolean tcpNoDelay); /** * Gets the {@link StandardSocketOptions#SO_LINGER} option. */ int getSoLinger(); /** * Sets the {@link StandardSocketOptions#SO_LINGER} option. */ SocketChannelConfig setSoLinger(int soLinger); /** * Gets the {@link StandardSocketOptions#SO_SNDBUF} option. */ int getSendBufferSize(); /** * Sets the {@link StandardSocketOptions#SO_SNDBUF} option. */ SocketChannelConfig setSendBufferSize(int sendBufferSize); /** * Gets the {@link StandardSocketOptions#SO_RCVBUF} option. */ int getReceiveBufferSize(); /** * Sets the {@link StandardSocketOptions#SO_RCVBUF} option. */ SocketChannelConfig setReceiveBufferSize(int receiveBufferSize); /** * Gets the {@link StandardSocketOptions#SO_KEEPALIVE} option. */ boolean isKeepAlive(); /** * Sets the {@link StandardSocketOptions#SO_KEEPALIVE} option. */ SocketChannelConfig setKeepAlive(boolean keepAlive); /** * Gets the {@link StandardSocketOptions#IP_TOS} option. */ int getTrafficClass(); /** * Sets the {@link StandardSocketOptions#IP_TOS} option. */ SocketChannelConfig setTrafficClass(int trafficClass); /** * Gets the {@link StandardSocketOptions#SO_REUSEADDR} option. */ boolean isReuseAddress(); /** * Sets the {@link StandardSocketOptions#SO_REUSEADDR} option. */ SocketChannelConfig setReuseAddress(boolean reuseAddress); /** * Sets the performance preferences as specified in * {@link Socket#setPerformancePreferences(int, int, int)}. */ SocketChannelConfig setPerformancePreferences(int connectionTime, int latency, int bandwidth); /** * Returns {@code true} if and only if the channel should not close itself when its remote * peer shuts down output to make the connection half-closed. If {@code false}, the connection * is closed automatically when the remote peer shuts down output. */ boolean isAllowHalfClosure(); /** * Sets whether the channel should not close itself when its remote peer shuts down output to * make the connection half-closed. If {@code true} the connection is not closed when the * remote peer shuts down output. Instead, * {@link ChannelInboundHandler#userEventTriggered(ChannelHandlerContext, Object)} * is invoked with a {@link ChannelInputShutdownEvent} object. If {@code false}, the connection * is closed automatically. */ SocketChannelConfig setAllowHalfClosure(boolean allowHalfClosure); @Override SocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis); @Override SocketChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead); @Override SocketChannelConfig setWriteSpinCount(int writeSpinCount); @Override SocketChannelConfig setAllocator(ByteBufAllocator allocator); @Override SocketChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator); @Override SocketChannelConfig setAutoRead(boolean autoRead); @Override SocketChannelConfig setAutoClose(boolean autoClose); @Override SocketChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator); }




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