/* * Copyright 2009 Red Hat, Inc. * * Red Hat 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.net.Socket; import java.nio.ByteOrder; import java.nio.channels.SocketChannel; import java.util.Map; import org.jboss.netty.buffer.ChannelBuffer; import org.jboss.netty.buffer.ChannelBufferFactory; import org.jboss.netty.buffer.HeapChannelBufferFactory; import org.jboss.netty.channel.Channel; /** * A {@link ChannelConfig} for a {@link SocketChannel}. * * <h3>Available options</h3> * * In addition to the options provided by {@link ChannelConfig}, * {@link SocketChannelConfig} allows the following options in the option map: * * <table border="1" cellspacing="0" cellpadding="6"> * <tr> * <th>Name</th><th>Associated setter method</th> * </tr><tr> * <td>{@code "keepAlive"}</td><td>{@link #setKeepAlive(boolean)}</td> * </tr><tr> * <td>{@code "reuseAddress"}</td><td>{@link #setReuseAddress(boolean)}</td> * </tr><tr> * <td>{@code "soLinger"}</td><td>{@link #setSoLinger(int)}</td> * </tr><tr> * <td>{@code "tcpNoDelay"}</td><td>{@link #setTcpNoDelay(boolean)}</td> * </tr><tr> * <td>{@code "receiveBufferSize"}</td><td>{@link #setReceiveBufferSize(int)}</td> * </tr><tr> * <td>{@code "sendBufferSize"}</td><td>{@link #setSendBufferSize(int)}</td> * </tr><tr> * <td>{@code "trafficClass"}</td><td>{@link #setTrafficClass(int)}</td> * </tr> * </table> * * @author <a href="http://www.jboss.org/netty/">The Netty Project</a> * @author <a href="http://gleamynode.net/">Trustin Lee</a> * * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $ */ public interface SocketChannelConfig{ /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_TCPNODELAY}</a> option. */ boolean isTcpNoDelay(); /** * Sets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_TCPNODELAY}</a> option. */ void setTcpNoDelay(boolean tcpNoDelay); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_LINGER}</a> option. */ int getSoLinger(); /** * Sets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_LINGER}</a> option. */ void setSoLinger(int soLinger); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_SNDBUF}</a> option. */ int getSendBufferSize(); /** * Sets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_SNDBUF}</a> option. */ void setSendBufferSize(int sendBufferSize); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_RCVBUF}</a> option. */ int getReceiveBufferSize(); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_RCVBUF}</a> option. */ void setReceiveBufferSize(int receiveBufferSize); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_KEEPALIVE}</a> option. */ boolean isKeepAlive(); /** * Sets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_KEEPALIVE}</a> option. */ void setKeepAlive(boolean keepAlive); /** * Gets the traffic class. */ int getTrafficClass(); /** * Sets the traffic class as specified in {@link Socket#setTrafficClass(int)}. */ void setTrafficClass(int trafficClass); /** * Gets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_REUSEADDR}</a> option. */ boolean isReuseAddress(); /** * Sets the <a href="http://java.sun.com/javase/6/docs/technotes/guides/net/socketOpt.html">{@code SO_REUSEADDR}</a> option. */ void setReuseAddress(boolean reuseAddress); /** * Sets the performance preferences as specified in * {@link Socket#setPerformancePreferences(int, int, int)}. */ void setPerformancePreferences( int connectionTime, int latency, int bandwidth); //ChannelConfigと統合 /** * Sets the configuration properties from the specified {@link Map}. */ void setOptions(Map<String, Object> options); /** * Sets a configuration property with the specified name and value. * To override this method properly, you must call the super class: * <pre> * public boolean setOption(String name, Object value) { * if (super.setOption(name, value)) { * return true; * } * * if (name.equals("additionalOption")) { * .... * return true; * } * * return false; * } * </pre> * * @return {@code true} if and only if the property has been set */ boolean setOption(String name, Object value); /** * Returns the default {@link ChannelBufferFactory} used to create a new * {@link ChannelBuffer}. The default is {@link HeapChannelBufferFactory}. * You can specify a different factory to change the default * {@link ByteOrder} for example. */ ChannelBufferFactory getBufferFactory(); /** * Sets the default {@link ChannelBufferFactory} used to create a new * {@link ChannelBuffer}. The default is {@link HeapChannelBufferFactory}. * You can specify a different factory to change the default * {@link ByteOrder} for example. */ void setBufferFactory(ChannelBufferFactory bufferFactory); /** * Returns the connect timeout of the channel in milliseconds. If the * {@link Channel} does not support connect operation, this property is not * used at all, and therefore will be ignored. * * @return the connect timeout in milliseconds. {@code 0} if disabled. */ int getConnectTimeoutMillis(); /** * Sets the connect timeout of the channel in milliseconds. If the * {@link Channel} does not support connect operation, this property is not * used at all, and therefore will be ignored. * * @param connectTimeoutMillis the connect timeout in milliseconds. * {@code 0} to disable. */ void setConnectTimeoutMillis(int connectTimeoutMillis); }