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package com.sun.enterprise.web.connector.grizzly;
import com.sun.enterprise.web.connector.grizzly.comet.CometEngine;
import com.sun.enterprise.web.connector.grizzly.ssl.SSLUtils;
import java.util.StringTokenizer;
import java.util.logging.Level;
public class SelectorThreadConfig{
/**
* System property for the selector timeout value.
*/
private static final String SELECTOR_TIMEOUT =
"com.sun.enterprise.web.connector.grizzly.selector.timeout";
/**
* The minimum number of threads used when creating a new
* <code>Pipeline</code>
*/
private static final String MIN_THREAD=
"com.sun.enterprise.web.connector.grizzly.minWorkerThreads";
/**
* The maximum number of threads used when creating a new
* <code>Pipeline</code>
*/
private static final String MAX_THREAD=
"com.sun.enterprise.web.connector.grizzly.maxThreads";
/**
* Property used to turn on/off NIO blocking mode.
*/
private final static String DISPLAY_CONFIGURATION=
"com.sun.enterprise.web.connector.grizzly.displayConfiguration";
private final static String MAX_KEEP_ALIVE_REQUEST =
"com.sun.enterprise.web.connector.grizzly.maxKeepAliveRequests";
private final static String ENABLE_COMET_SUPPORT =
"com.sun.enterprise.web.connector.grizzly.enableCometSupport";
/**
* Is the <code>ByteBuffer</code> used by the <code>ReadTask</code> use
* direct <code>ByteBuffer</code> or not.
*/
private final static String DIRECT_BYTE_BUFFER_READ =
"com.sun.enterprise.web.connector.grizzly.useDirectByteBuffer";
/**
* Always attach a <code>ProcessorTask</code> when creating
* a <code>ReadTask</code>
*/
private final static String PIPELINE_CLASS =
"com.sun.enterprise.web.connector.grizzly.pipelineClass";
private final static String MAX_SELECTOR_READ_THREAD=
"com.sun.enterprise.web.connector.grizzly.maxSelectorReadThread";
private final static String HTTP_HEADER_BUFFER_SIZE =
"com.sun.enterprise.web.connector.grizzly.maxHttpHeaderSize";
private final static String BYTE_BUFFER_VIEW =
"com.sun.enterprise.web.connector.grizzly.useByteBufferView";
private final static String ALGORITHM_CLASS_NAME=
"com.sun.enterprise.web.connector.grizzly.algorithmClassName";
private final static String MAX_SELECTOR =
"com.sun.enterprise.web.connector.grizzly.maxSelectors";
private final static String FACTORY_TIMEOUT =
"com.sun.enterprise.web.connector.grizzly.factoryTimeout";
private final static String ASYNCH_HANDLER_CLASS =
"com.sun.enterprise.web.connector.grizzly.asyncHandlerClass";
private final static String ASYNCH_HANDLER_PORT =
"com.sun.enterprise.web.connector.grizzly.asyncHandler.ports";
private final static String SNOOP_LOGGING =
"com.sun.enterprise.web.connector.grizzly.enableSnoop";
private final static String TEMPORARY_SELECTOR_TIMEOUT =
"com.sun.enterprise.web.connector.grizzly.readTimeout";
private final static String WRITE_TIMEOUT =
"com.sun.enterprise.web.connector.grizzly.writeTimeout";
private final static String NOTIFICATION_HANDLER =
"com.sun.grizzly.comet.notificationHandlerClassName";
private final static String BUFFER_RESPONSE =
"com.sun.grizzly.http.bufferResponse";
private final static String OOBInline =
"com.sun.enterprise.web.connector.grizzly.OOBInline";
// --------------------------------------------------------- Static -----//
/**
* Read systems properties and configure the <code>SelectorThread</code>.
*/
protected static void configureProperties(SelectorThread selectorThread){
if (System.getProperty(SELECTOR_TIMEOUT) != null){
try{
selectorThread.selectorTimeout =
Integer.parseInt(System.getProperty(SELECTOR_TIMEOUT));
} catch (NumberFormatException ex){
SelectorThread.logger().log(Level.WARNING, "selectorThread.invalidSelectorTimeout");
}
}
if (System.getProperty(TEMPORARY_SELECTOR_TIMEOUT) != null){
try{
int timeout = Integer.parseInt(
System.getProperty(TEMPORARY_SELECTOR_TIMEOUT));
ByteBufferInputStream.setDefaultReadTimeout(timeout);
SSLUtils.setReadTimeout(timeout);
} catch (NumberFormatException ex){
SelectorThread.logger().log(Level.WARNING,
"selectorThread.invalidReadTimeout");
}
}
if (System.getProperty(WRITE_TIMEOUT) != null){
try{
int timeout = Integer.parseInt(
System.getProperty(WRITE_TIMEOUT));
OutputWriter.setDefaultWriteTimeout(timeout);
} catch (NumberFormatException ex){
SelectorThread.logger().log(Level.WARNING,
"selectorThread.invalidWriteTimeout");
}
}
if (System.getProperty(MIN_THREAD) != null){
try{
selectorThread.minWorkerThreads =
Integer.parseInt(System.getProperty(MIN_THREAD));
} catch (NumberFormatException ex){
SelectorThread.logger().log(Level.WARNING, "selectorThread.invalidMinThreads");
}
}
if (System.getProperty(MAX_THREAD) != null){
try{
selectorThread.maxProcessorWorkerThreads =
Integer.parseInt(System.getProperty(MAX_THREAD));
} catch (NumberFormatException ex){
SelectorThread.logger().log(Level.WARNING, "selectorThread.invalidMaxThreads");
}
}
if (System.getProperty(DISPLAY_CONFIGURATION)!= null){
selectorThread.displayConfiguration =
Boolean.valueOf(System.getProperty(DISPLAY_CONFIGURATION))
.booleanValue();
}
if (System.getProperty(OOBInline)!= null){
selectorThread.oOBInline =
Boolean.valueOf(System.getProperty(OOBInline)).booleanValue();
}
if (System.getProperty(ENABLE_COMET_SUPPORT) != null){
selectorThread.enableCometSupport(
Boolean.valueOf(
System.getProperty(ENABLE_COMET_SUPPORT)).booleanValue());
}
if (System.getProperty(ASYNCH_HANDLER_PORT) != null){
String ports = System.getProperty(ASYNCH_HANDLER_PORT);
StringTokenizer st = new StringTokenizer(ports,",");
while(st.hasMoreTokens()){
if ( st.nextToken()
.equals(String.valueOf(selectorThread.getPort()))
&& System.getProperty(ASYNCH_HANDLER_CLASS)!= null){
selectorThread.asyncHandler = (AsyncHandler)
loadClassAndInstanciate(
System.getProperty(ASYNCH_HANDLER_CLASS));
selectorThread.asyncExecution = true;
}
}
}
if (System.getProperty(DIRECT_BYTE_BUFFER_READ)!= null){
selectorThread.useDirectByteBuffer =
Boolean.valueOf(
System.getProperty(DIRECT_BYTE_BUFFER_READ)).booleanValue();
}
if (System.getProperty(MAX_KEEP_ALIVE_REQUEST) != null){
try{
selectorThread.maxKeepAliveRequests =
Integer.parseInt(System.getProperty(MAX_KEEP_ALIVE_REQUEST));
} catch (NumberFormatException ex){
;
}
}
if (System.getProperty(PIPELINE_CLASS)!= null){
selectorThread.pipelineClassName =
System.getProperty(PIPELINE_CLASS);
}
if (System.getProperty(NOTIFICATION_HANDLER)!= null){
CometEngine.setNotificationHandlerClassName(
System.getProperty(NOTIFICATION_HANDLER));
}
if (System.getProperty(ALGORITHM_CLASS_NAME)!= null){
selectorThread.algorithmClassName =
System.getProperty(ALGORITHM_CLASS_NAME);
}
if (System.getProperty(BYTE_BUFFER_VIEW)!= null){
selectorThread.useByteBufferView =
Boolean.valueOf(
System.getProperty(BYTE_BUFFER_VIEW)).booleanValue();
}
if (System.getProperty(MAX_SELECTOR_READ_THREAD) != null){
try{
selectorThread.multiSelectorsCount =
Integer.parseInt(System.getProperty(MAX_SELECTOR_READ_THREAD));
} catch (NumberFormatException ex){
;
}
}
if (System.getProperty(MAX_SELECTOR) != null){
try{
SelectorFactory.maxSelectors =
Integer.parseInt(System.getProperty(MAX_SELECTOR));
} catch (NumberFormatException ex){
;
}
}
if (System.getProperty(FACTORY_TIMEOUT) != null){
try{
SelectorFactory.timeout =
Integer.parseInt(System.getProperty(FACTORY_TIMEOUT));
} catch (NumberFormatException ex){
;
}
}
if (System.getProperty(SNOOP_LOGGING)!= null){
selectorThread.setEnableNioLogging(
Boolean.valueOf(
System.getProperty(SNOOP_LOGGING)).booleanValue());
}
if (System.getProperty(BUFFER_RESPONSE)!= null){
selectorThread.setBufferResponse(
Boolean.valueOf(
System.getProperty(BUFFER_RESPONSE)).booleanValue());
}
}
/**
* Configure properties on <code>SelectorThread</code>
*/
public static void configure(SelectorThread selectorThread){
configureProperties(selectorThread);
}
private static Object loadClassAndInstanciate(String className){
try{
Class clazz = Class.forName(className);
return clazz.newInstance();
} catch (Throwable ex){
SelectorThread.logger().log(Level.SEVERE,ex.getMessage()
+ ":" + className, ex);
}
return null;
}
}
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