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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.tomcat.util.net;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.StandardSocketOptions;
import java.nio.channels.AsynchronousServerSocketChannel;
import java.nio.channels.AsynchronousSocketChannel;
/**
* Properties that can be set in the <Connector> element
* in server.xml. All properties are prefixed with "socket."
* and are currently only working for the Nio connector
*/
public class SocketProperties {
/**
* Enable/disable socket processor cache, this bounded cache stores
* SocketProcessor objects to reduce GC
* Default is 500
* -1 is unlimited
* 0 is disabled
*/
protected int processorCache = 500;
/**
* Enable/disable poller event cache, this bounded cache stores
* PollerEvent objects to reduce GC for the poller
* Default is 500
* -1 is unlimited
* 0 is disabled
* >0 the max number of objects to keep in cache.
*/
protected int eventCache = 500;
/**
* Enable/disable direct buffers for the network buffers
* Default value is disabled
*/
protected boolean directBuffer = false;
/**
* Enable/disable direct buffers for the network buffers for SSL
* Default value is disabled
*/
protected boolean directSslBuffer = false;
/**
* Socket receive buffer size in bytes (SO_RCVBUF).
* JVM default used if not set.
*/
protected Integer rxBufSize = null;
/**
* Socket send buffer size in bytes (SO_SNDBUF).
* JVM default used if not set.
*/
protected Integer txBufSize = null;
/**
* The application read buffer size in bytes.
* Default value is rxBufSize
*/
protected int appReadBufSize = 8192;
/**
* The application write buffer size in bytes
* Default value is txBufSize
*/
protected int appWriteBufSize = 8192;
/**
* NioChannel pool size for the endpoint,
* this value is how many channels
* -1 means unlimited cached, 0 means no cache
* Default value is 500
*/
protected int bufferPool = 500;
/**
* Buffer pool size in bytes to be cached
* -1 means unlimited, 0 means no cache
* Default value is 100MB (1024*1024*100 bytes)
*/
protected int bufferPoolSize = 1024*1024*100;
/**
* TCP_NO_DELAY option. JVM default used if not set.
*/
protected Boolean tcpNoDelay = Boolean.TRUE;
/**
* SO_KEEPALIVE option. JVM default used if not set.
*/
protected Boolean soKeepAlive = null;
/**
* OOBINLINE option. JVM default used if not set.
*/
protected Boolean ooBInline = null;
/**
* SO_REUSEADDR option. JVM default used if not set.
*/
protected Boolean soReuseAddress = null;
/**
* SO_LINGER option, paired with the soLingerTime value.
* JVM defaults used unless both attributes are set.
*/
protected Boolean soLingerOn = null;
/**
* SO_LINGER option, paired with the soLingerOn value.
* JVM defaults used unless both attributes are set.
*/
protected Integer soLingerTime = null;
/**
* SO_TIMEOUT option. default is 20000.
*/
protected Integer soTimeout = Integer.valueOf(20000);
/**
* Performance preferences according to
* http://docs.oracle.com/javase/1.5.0/docs/api/java/net/Socket.html#setPerformancePreferences(int,%20int,%20int)
* All three performance attributes must be set or the JVM defaults will be
* used.
*/
protected Integer performanceConnectionTime = null;
/**
* Performance preferences according to
* http://docs.oracle.com/javase/1.5.0/docs/api/java/net/Socket.html#setPerformancePreferences(int,%20int,%20int)
* All three performance attributes must be set or the JVM defaults will be
* used.
*/
protected Integer performanceLatency = null;
/**
* Performance preferences according to
* http://docs.oracle.com/javase/1.5.0/docs/api/java/net/Socket.html#setPerformancePreferences(int,%20int,%20int)
* All three performance attributes must be set or the JVM defaults will be
* used.
*/
protected Integer performanceBandwidth = null;
/**
* The minimum frequency of the timeout interval to avoid excess load from
* the poller during high traffic
*/
protected long timeoutInterval = 1000;
/**
* Timeout in milliseconds for an unlock to take place.
*/
protected int unlockTimeout = 250;
public void setProperties(Socket socket) throws SocketException{
if (rxBufSize != null)
socket.setReceiveBufferSize(rxBufSize.intValue());
if (txBufSize != null)
socket.setSendBufferSize(txBufSize.intValue());
if (ooBInline !=null)
socket.setOOBInline(ooBInline.booleanValue());
if (soKeepAlive != null)
socket.setKeepAlive(soKeepAlive.booleanValue());
if (performanceConnectionTime != null && performanceLatency != null &&
performanceBandwidth != null)
socket.setPerformancePreferences(
performanceConnectionTime.intValue(),
performanceLatency.intValue(),
performanceBandwidth.intValue());
if (soReuseAddress != null)
socket.setReuseAddress(soReuseAddress.booleanValue());
if (soLingerOn != null && soLingerTime != null)
socket.setSoLinger(soLingerOn.booleanValue(),
soLingerTime.intValue());
if (soTimeout != null && soTimeout.intValue() >= 0)
socket.setSoTimeout(soTimeout.intValue());
if (tcpNoDelay != null)
socket.setTcpNoDelay(tcpNoDelay.booleanValue());
}
public void setProperties(ServerSocket socket) throws SocketException{
if (rxBufSize != null)
socket.setReceiveBufferSize(rxBufSize.intValue());
if (performanceConnectionTime != null && performanceLatency != null &&
performanceBandwidth != null)
socket.setPerformancePreferences(
performanceConnectionTime.intValue(),
performanceLatency.intValue(),
performanceBandwidth.intValue());
if (soReuseAddress != null)
socket.setReuseAddress(soReuseAddress.booleanValue());
if (soTimeout != null && soTimeout.intValue() >= 0)
socket.setSoTimeout(soTimeout.intValue());
}
public void setProperties(AsynchronousSocketChannel socket) throws IOException {
if (rxBufSize != null)
socket.setOption(StandardSocketOptions.SO_RCVBUF, rxBufSize);
if (txBufSize != null)
socket.setOption(StandardSocketOptions.SO_SNDBUF, txBufSize);
if (soKeepAlive != null)
socket.setOption(StandardSocketOptions.SO_KEEPALIVE, soKeepAlive);
if (soReuseAddress != null)
socket.setOption(StandardSocketOptions.SO_REUSEADDR, soReuseAddress);
if (soLingerOn != null && soLingerOn.booleanValue() && soLingerTime != null)
socket.setOption(StandardSocketOptions.SO_LINGER, soLingerTime);
if (tcpNoDelay != null)
socket.setOption(StandardSocketOptions.TCP_NODELAY, tcpNoDelay);
}
public void setProperties(AsynchronousServerSocketChannel socket) throws IOException {
if (rxBufSize != null)
socket.setOption(StandardSocketOptions.SO_RCVBUF, rxBufSize);
if (soReuseAddress != null)
socket.setOption(StandardSocketOptions.SO_REUSEADDR, soReuseAddress);
}
public boolean getDirectBuffer() {
return directBuffer;
}
public boolean getDirectSslBuffer() {
return directSslBuffer;
}
public boolean getOoBInline() {
return ooBInline.booleanValue();
}
public int getPerformanceBandwidth() {
return performanceBandwidth.intValue();
}
public int getPerformanceConnectionTime() {
return performanceConnectionTime.intValue();
}
public int getPerformanceLatency() {
return performanceLatency.intValue();
}
public int getRxBufSize() {
return rxBufSize.intValue();
}
public boolean getSoKeepAlive() {
return soKeepAlive.booleanValue();
}
public boolean getSoLingerOn() {
return soLingerOn.booleanValue();
}
public int getSoLingerTime() {
return soLingerTime.intValue();
}
public boolean getSoReuseAddress() {
return soReuseAddress.booleanValue();
}
public int getSoTimeout() {
return soTimeout.intValue();
}
public boolean getTcpNoDelay() {
return tcpNoDelay.booleanValue();
}
public int getTxBufSize() {
return txBufSize.intValue();
}
public int getBufferPool() {
return bufferPool;
}
public int getBufferPoolSize() {
return bufferPoolSize;
}
public int getEventCache() {
return eventCache;
}
public int getAppReadBufSize() {
return appReadBufSize;
}
public int getAppWriteBufSize() {
return appWriteBufSize;
}
public int getProcessorCache() {
return processorCache;
}
public long getTimeoutInterval() {
return timeoutInterval;
}
public int getDirectBufferPool() {
return bufferPool;
}
public void setPerformanceConnectionTime(int performanceConnectionTime) {
this.performanceConnectionTime =
Integer.valueOf(performanceConnectionTime);
}
public void setTxBufSize(int txBufSize) {
this.txBufSize = Integer.valueOf(txBufSize);
}
public void setTcpNoDelay(boolean tcpNoDelay) {
this.tcpNoDelay = Boolean.valueOf(tcpNoDelay);
}
public void setSoTimeout(int soTimeout) {
this.soTimeout = Integer.valueOf(soTimeout);
}
public void setSoReuseAddress(boolean soReuseAddress) {
this.soReuseAddress = Boolean.valueOf(soReuseAddress);
}
public void setSoLingerTime(int soLingerTime) {
this.soLingerTime = Integer.valueOf(soLingerTime);
}
public void setSoKeepAlive(boolean soKeepAlive) {
this.soKeepAlive = Boolean.valueOf(soKeepAlive);
}
public void setRxBufSize(int rxBufSize) {
this.rxBufSize = Integer.valueOf(rxBufSize);
}
public void setPerformanceLatency(int performanceLatency) {
this.performanceLatency = Integer.valueOf(performanceLatency);
}
public void setPerformanceBandwidth(int performanceBandwidth) {
this.performanceBandwidth = Integer.valueOf(performanceBandwidth);
}
public void setOoBInline(boolean ooBInline) {
this.ooBInline = Boolean.valueOf(ooBInline);
}
public void setDirectBuffer(boolean directBuffer) {
this.directBuffer = directBuffer;
}
public void setDirectSslBuffer(boolean directSslBuffer) {
this.directSslBuffer = directSslBuffer;
}
public void setSoLingerOn(boolean soLingerOn) {
this.soLingerOn = Boolean.valueOf(soLingerOn);
}
public void setBufferPool(int bufferPool) {
this.bufferPool = bufferPool;
}
public void setBufferPoolSize(int bufferPoolSize) {
this.bufferPoolSize = bufferPoolSize;
}
public void setEventCache(int eventCache) {
this.eventCache = eventCache;
}
public void setAppReadBufSize(int appReadBufSize) {
this.appReadBufSize = appReadBufSize;
}
public void setAppWriteBufSize(int appWriteBufSize) {
this.appWriteBufSize = appWriteBufSize;
}
public void setProcessorCache(int processorCache) {
this.processorCache = processorCache;
}
public void setTimeoutInterval(long timeoutInterval) {
this.timeoutInterval = timeoutInterval;
}
public void setDirectBufferPool(int directBufferPool) {
this.bufferPool = directBufferPool;
}
public int getUnlockTimeout() {
return unlockTimeout;
}
public void setUnlockTimeout(int unlockTimeout) {
this.unlockTimeout = unlockTimeout;
}
}
