networking.server
Class FileUploadServer

java.lang.Object
  java.lang.Thread
      networking.base.ForkedThread
          networking.base.SocketThread
              networking.server.Server
                  networking.server.FileServer
                      networking.server.FileUploadServer

All Implemented Interfaces:

java.lang.Runnable

 class FileUploadServer
extends FileServer

FileUploadServer - this class represents a server which provides an opportinity to upload files

Nested Class Summary

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

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

Field Summary

static int	ASK ASK state constant - asking clients
static int	ERROR ERROR state constant - file transfer failed
private int	m_activeCount Active recipients count, i.e. those who accepted the file
private int	m_count Recipients count
private int	m_state Current state
static int	READY READY state constant - file transfer completed
static int	RECV RECV state constant - receiving file

Fields inherited from class networking.server.FileServer

m_file, m_master, m_msg

Fields inherited from class networking.base.SocketThread

s_timeSleep

Fields inherited from class networking.base.ForkedThread

CHILD, m_fork, NONE, PARENT

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

FileUploadServer(FileServer s)
Construct new FileUploadServer object from parent server

Method Summary

void	acceptFile() Target client indicated accept of the file
void	ackFile() FileDownloadServer acknowledges file object receipt
void	ackFileTransfer() FileDownloadServer acknowledges file transfer
private void	checkEnd() Check if all clients are served
private void	checkFile() Check if all active clients are served and delete the file
protected void	error(java.lang.Exception e) Report error
int	getServState() Get current state
protected void	processMessage(Message msg) Process a message
void	rejectFile() Target client indicated reject of the file
void	run()
private void	setServState(int state) Switch to the new state
protected int	translateMessageType(Message msg) Translate message type for sending it to clients

Methods inherited from class networking.server.FileServer

getFile, getMessage

Methods inherited from class networking.server.Server

circulateMessage, getClient, getId, getSignature, log, stop1

Methods inherited from class networking.base.SocketThread

deinit, enque, exit, getIn, getOut, init, recv, run1, send, setSocket, setTimeOut, wait

Methods inherited from class java.lang.Thread

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

Methods inherited from class java.lang.Object

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

Field Detail

ASK

public static final int ASK

ASK state constant - asking clients

See Also:

Constant Field Values

RECV

public static final int RECV

RECV state constant - receiving file

See Also:

Constant Field Values

READY

public static final int READY

READY state constant - file transfer completed

See Also:

Constant Field Values

ERROR

public static final int ERROR

ERROR state constant - file transfer failed

See Also:

Constant Field Values

m_state

private int m_state

Current state

m_count

private int m_count

Recipients count

m_activeCount

private int m_activeCount

Active recipients count, i.e. those who accepted the file

Constructor Detail

FileUploadServer

public FileUploadServer(FileServer s)

Construct new FileUploadServer object from parent server

Parameters:

s - parent server

Method Detail

acceptFile

public void acceptFile()
                throws java.lang.Exception

Target client indicated accept of the file

Throws:

java.lang.Exception

rejectFile

public void rejectFile()
                throws java.lang.Exception

Target client indicated reject of the file

Throws:

java.lang.Exception

ackFile

public void ackFile()
             throws java.lang.Exception

FileDownloadServer acknowledges file object receipt

Throws:

java.lang.Exception

ackFileTransfer

public void ackFileTransfer()

FileDownloadServer acknowledges file transfer

checkFile

private void checkFile()

Check if all active clients are served and delete the file

checkEnd

private void checkEnd()
               throws java.lang.Exception

Check if all clients are served

Throws:

java.lang.Exception

setServState

private void setServState(int state)

Switch to the new state

Parameters:

state - new state

getServState

public final int getServState()

Get current state

translateMessageType

protected int translateMessageType(Message msg)

Description copied from class: Server

Translate message type for sending it to clients

Overrides:

translateMessageType in class Server

Parameters:

msg - message

processMessage

protected void processMessage(Message msg)
                       throws java.lang.Exception

Description copied from class: SocketThread

Process a message

Overrides:

processMessage in class FileServer

Parameters:

msg - message

Throws:

java.lang.Exception

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class ForkedThread

error

protected void error(java.lang.Exception e)

Description copied from class: SocketThread

Report error

Overrides:

error in class Server

Parameters:

e - exception