CADI.Proxy.Core
Class ProxyWorker

java.lang.Object
  java.lang.Thread
      CADI.Proxy.Core.ProxyWorker

All Implemented Interfaces:

java.lang.Runnable

public class ProxyWorker
extends java.lang.Thread

Version:

1.0 2009/08/22

Author:

Group on Interactive Coding of Images (GICI)

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

private boolean	busy Indicates if the thread is carrying out a task.
private boolean	finish Indicates whether the thread has to finish when it is working with a request with the keep-alive mode set.
private HTTPRequest	httpRequest Definition in HTTPRequest.
private HTTPResponseSender	httpResponseSender
private int	keepAliveTimeout Definition in Scheduler.keepAliveTimeout.
private CADILog	log It is an object that will be used to log the server process
private java.io.OutputStream	os Is an output stream that will be used to send the server response to the client.
private ProxyCacheLogicalTargets	proxyCacheLogicalTargets Definition in CADI.Proxy.Proxy#logicalTargetList.
private ProxyMutex	proxyMutex Definition in Proxy.proxyMutex
private ProxyRequestedWOIs	proxyRequestedWOIs Definition in CADI.Proxy.Proxy#proxyRequestedWOIs.
private int	proxyType Indicates the type of proxy that will be run.
private RequestQueue	requestQueue Definition in Proxy.requestQueue.
private java.net.Socket	socket Contains the client socket of which request is being processed.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

ProxyWorker(java.lang.String threadName, RequestQueue requestQueue, ProxyCacheLogicalTargets proxyCacheLogicalTargets, ProxyRequestedWOIs proxyRequestedWOIs, ProxyMutex proxyMutex, CADILog log)
Constructor.

Method Summary

void	finish() This method is used to indicate that the thread has to finish.
java.lang.Thread.State	getState()
boolean	isBusy() This method is used to indicate if the thread is or no busy processing a task.
void	list(java.io.PrintStream out) Prints this ProxyWorker out to the specified output stream.
private void	listenNewRequest()
private void	processCachedProxy()
private void	processRequest()
private void	processTransparentProxy()
void	run()
private void	sendHTTPResponseError(int statusCode, java.lang.String reasonPhrase)
void	setKeepAliveTimeout(int keepAliveTimeout) Sets the keepAliveTimeout attribute.
void	setProxyType(int proxyType) Sets the proxyType attribute.
java.lang.String	toString()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

requestQueue

private RequestQueue requestQueue

Definition in Proxy.requestQueue.

proxyCacheLogicalTargets

private ProxyCacheLogicalTargets proxyCacheLogicalTargets

Definition in CADI.Proxy.Proxy#logicalTargetList.

proxyRequestedWOIs

private ProxyRequestedWOIs proxyRequestedWOIs

Definition in CADI.Proxy.Proxy#proxyRequestedWOIs.

log

private CADILog log

It is an object that will be used to log the server process

finish

private boolean finish

Indicates whether the thread has to finish when it is working with a request with the keep-alive mode set.

See Also:

finish()

busy

private boolean busy

Indicates if the thread is carrying out a task. If the thread is waiting for a new task, the busy attribute is false.

socket

private java.net.Socket socket

Contains the client socket of which request is being processed.

httpRequest

private HTTPRequest httpRequest

Definition in HTTPRequest.

keepAliveTimeout

private int keepAliveTimeout

Definition in Scheduler.keepAliveTimeout.

proxyType

private int proxyType

Indicates the type of proxy that will be run.

Further information, see ProxyDefaultValues.PROXY_TYPE.

proxyMutex

private ProxyMutex proxyMutex

Definition in Proxy.proxyMutex

os

private java.io.OutputStream os

Is an output stream that will be used to send the server response to the client.

httpResponseSender

private HTTPResponseSender httpResponseSender

Constructor Detail

ProxyWorker

public ProxyWorker(java.lang.String threadName,
                   RequestQueue requestQueue,
                   ProxyCacheLogicalTargets proxyCacheLogicalTargets,
                   ProxyRequestedWOIs proxyRequestedWOIs,
                   ProxyMutex proxyMutex,
                   CADILog log)

Constructor.

Parameters:

threadName - is a string with the name of the thread.

requestQueue - definition in requestQueue.

logicalTargetList - definition in #logicalTargetList.

log - definition in log.

Method Detail

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

setProxyType

public void setProxyType(int proxyType)

Sets the proxyType attribute.

Parameters:

proxyType - definition in proxyType attribute.

finish

public void finish()

This method is used to indicate that the thread has to finish.

isBusy

public boolean isBusy()

This method is used to indicate if the thread is or no busy processing a task.

Returns:

true if the thread is processing a task. Otherwise, it returns false.

getState

public java.lang.Thread.State getState()

Overrides:

getState in class java.lang.Thread

setKeepAliveTimeout

public void setKeepAliveTimeout(int keepAliveTimeout)

Sets the keepAliveTimeout attribute.

Parameters:

keepAliveTimeout - definition in keepAliveTimeout.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Thread

list

public void list(java.io.PrintStream out)

Prints this ProxyWorker out to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.

processRequest

private void processRequest()
                     throws WarningException,
                            ErrorException

Throws:

WarningException

ErrorException

listenNewRequest

private void listenNewRequest()
                       throws WarningException,
                              ErrorException

Throws:

WarningException

ErrorException

sendHTTPResponseError

private void sendHTTPResponseError(int statusCode,
                                   java.lang.String reasonPhrase)

processTransparentProxy

private void processTransparentProxy()
                              throws ErrorException

Throws:

ErrorException

processCachedProxy

private void processCachedProxy()
                         throws ErrorException

Throws:

ErrorException