serverP2P

Class FileWatcher

java.lang.Object

serverP2P.FileWatcher

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

FileWatcherTCP, FileWatcherUDP

public abstract class FileWatcher
extends java.lang.Object
implements java.lang.Runnable

Class allowing to keep the tracker informed about file list

Version:

1.0

Author:

Louis Royer, Flavien Haas, JS Auge

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	baseDirectory
protected java.lang.String[]	fileList
protected boolean	force
protected Logger	logger
protected HostItem	server
protected java.util.Map<java.lang.String,byte[]>	sha512
protected boolean	stop
protected java.lang.Thread	thread
protected long	time
protected HostItem	tracker

Constructor Summary

Constructors

Constructor and Description
FileWatcher(Logger logger, long millis, HostItem server, HostItem tracker, java.lang.String baseDirectory) Constructor

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getFileList() FileList getter
java.util.Map<java.lang.String,byte[]>	getSha512Map() Sha512 map getter
protected void	initSha512() Init sha512 map.
protected abstract void	registerTracker() Register server on tracker
void	run() Runnable implementation
void	setStop() Ask the thread to stop
void	setThread(java.lang.Thread thread) Set thread
void	trigger() Allow a manual check
protected boolean	updateFileList() Update fileList and returns true if different than old list.
protected abstract void	writeLog(java.lang.Exception e, LogLevel logLevel) Implementation of writeLog
protected abstract void	writeLog(java.lang.String text, LogLevel logLevel) Implementation of writeLog

Methods inherited from class java.lang.Object

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

Field Detail

fileList

protected java.lang.String[] fileList

logger

protected Logger logger

stop

protected volatile boolean stop

time

protected long time

force

protected boolean force

server

protected HostItem server

tracker

protected HostItem tracker

baseDirectory

protected java.lang.String baseDirectory

sha512

protected java.util.Map<java.lang.String,byte[]> sha512

thread

protected java.lang.Thread thread

Constructor Detail

FileWatcher

public FileWatcher(Logger logger,
                   long millis,
                   HostItem server,
                   HostItem tracker,
                   java.lang.String baseDirectory)

Constructor

Parameters:

logger - Logger

millis - Time interval before recheck

server - HostItem for the server

tracker - HostItem for the tracker

baseDirectory - Directory to search files

Method Detail

getFileList

public java.lang.String[] getFileList()

FileList getter

Returns:

fileList

getSha512Map

public java.util.Map<java.lang.String,byte[]> getSha512Map()

Sha512 map getter

Returns:

sha512 hashmap

trigger

public void trigger()

Allow a manual check

run

public void run()

Runnable implementation

Specified by:

run in interface java.lang.Runnable

registerTracker

protected abstract void registerTracker()

Register server on tracker

updateFileList

protected boolean updateFileList()

Update fileList and returns true if different than old list.

Returns:

true if changed

setStop

public void setStop()

Ask the thread to stop

initSha512

protected void initSha512()

Init sha512 map.

writeLog

protected abstract void writeLog(java.lang.String text,
                                 LogLevel logLevel)

Implementation of writeLog

Parameters:

text - Text to log

logLevel - level of logging

writeLog

protected abstract void writeLog(java.lang.Exception e,
                                 LogLevel logLevel)

Implementation of writeLog

Parameters:

e - exception to log

logLevel - level of logging

setThread

public void setThread(java.lang.Thread thread)

Set thread

Parameters:

thread - Thread