clientP2P

Class ClientManagement

java.lang.Object

tools.ServeErrors

clientP2P.ClientManagement

Direct Known Subclasses:

ClientManagementTCP, ClientManagementUDP

public abstract class ClientManagement
extends ServeErrors

Implementation of P2P-JAVA-PROJECT CLIENT

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 HostItem	client
protected ClientDownload	downLoader
protected java.util.List<HostItem>	hostList
protected Logger	logger
protected java.lang.String	partsSubdir
protected HostItem	tracker

Constructor Summary

Constructors

Constructor and Description
ClientManagement(java.lang.String baseDirectory, HostItem tracker, java.lang.String partsSubdir, Logger logger, HostItem client) Constructor with baseDirectory, tracker, partsSubdir, logger, and scanner parameters.

Method Summary

Modifier and Type	Method and Description
protected abstract void	closeHostItemSocket(HostItem hostItem) Close HostItem socket
protected abstract void	closeTrackerSocket() Close Tracker socket
private byte[]	computeHashsum(java.lang.String filename, HashAlgorithm h) Compute Hashsum of a file.
void	download(java.lang.String filename) Try to download a file
protected abstract java.lang.Object	getHostItemSocket(HostItem hostItem) Getter for HostItem socket
protected abstract java.lang.Object	getTrackerSocket() Getter for tracker socket
protected abstract void	initDownloader(java.lang.String filename) Initialize downloader
void	initHostList() Initialize hostList from tracker
java.lang.String[]	listDirectory() list server’s directory content
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 tools.ServeErrors

createProtocolP2PPacket, sendEmptyDirectory, sendEmptyFile, sendInternalError, sendNotATracker, sendNotFound, sendUnknownHost

Methods inherited from class java.lang.Object

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

Field Detail

baseDirectory

protected java.lang.String baseDirectory

partsSubdir

protected java.lang.String partsSubdir

hostList

protected java.util.List<HostItem> hostList

tracker

protected HostItem tracker

client

protected HostItem client

logger

protected Logger logger

downLoader

protected ClientDownload downLoader

Constructor Detail

ClientManagement

public ClientManagement(java.lang.String baseDirectory,
                        HostItem tracker,
                        java.lang.String partsSubdir,
                        Logger logger,
                        HostItem client)

Constructor with baseDirectory, tracker, partsSubdir, logger, and scanner parameters.

Parameters:

baseDirectory - the root directory where files are stored

tracker - Tracker hostItem

partsSubdir - subdirectory to store file parts

logger - Loggger

client - HostItem of the application

Method Detail

getTrackerSocket

protected abstract java.lang.Object getTrackerSocket()
                                              throws java.net.SocketException,
                                                     java.net.UnknownHostException,
                                                     java.io.IOException

Getter for tracker socket

Returns:

Tracker's socket

Throws:

java.net.SocketException

java.net.UnknownHostException

java.io.IOException

closeTrackerSocket

protected abstract void closeTrackerSocket()

Close Tracker socket

initHostList

public void initHostList()
                  throws ProtocolError,
                         InternalError,
                         java.net.SocketException,
                         java.net.UnknownHostException,
                         java.io.IOException

Initialize hostList from tracker

Throws:

ProtocolError

InternalError

java.net.SocketException

java.net.UnknownHostException

java.io.IOException

computeHashsum

private byte[] computeHashsum(java.lang.String filename,
                              HashAlgorithm h)

Compute Hashsum of a file.

Parameters:

filename -

Returns:

hashsum

getHostItemSocket

protected abstract java.lang.Object getHostItemSocket(HostItem hostItem)

Getter for HostItem socket

Parameters:

hostItem - HostItem

closeHostItemSocket

protected abstract void closeHostItemSocket(HostItem hostItem)

Close HostItem socket

Parameters:

hostItem - HostItem

listDirectory

public java.lang.String[] listDirectory()
                                 throws EmptyDirectory,
                                        InternalError,
                                        java.net.UnknownHostException,
                                        java.io.IOException,
                                        TransmissionError,
                                        ProtocolError,
                                        VersionError,
                                        SizeError,
                                        InternalRemoteError,
                                        ProtocolRemoteError,
                                        VersionRemoteError

list server’s directory content

Returns:

list of files

Throws:

InternalError

UnknowHostException

java.io.IOException

TransmissionError

ProtocolError

VersionError

SizeError

EmptyDirectory

InternalRemoteError

ProtocolRemoteError

VersionRemoteError

java.net.UnknownHostException

initDownloader

protected abstract void initDownloader(java.lang.String filename)

Initialize downloader

Parameters:

filename - Name of the file to download

download

public void download(java.lang.String filename)
              throws EmptyFile,
                     NotFound,
                     InternalError,
                     java.net.UnknownHostException,
                     java.io.IOException,
                     TransmissionError,
                     ProtocolError,
                     VersionError,
                     SizeError,
                     InternalRemoteError,
                     ProtocolRemoteError,
                     VersionRemoteError

Try to download a file

Parameters:

filename - name of the file to download

Throws:

NotFound

InternalError

java.net.UnknownHostException

java.io.IOException

TransmissionError

ProtocolError

VersionError

SizeError

InternalRemoteError

ProtocolRemoteError

VersionRemoteError

EmptyFile

writeLog

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

Implementation of writeLog

Specified by:

writeLog in class ServeErrors

Parameters:

text - Text to log

logLevel - level of logging

writeLog

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

Implementation of writeLog

Specified by:

writeLog in class ServeErrors

Parameters:

e - exception to log

logLevel - level of logging