org.alfresco.jlan.ftp

Class FTPDataSession

java.lang.Object

org.alfresco.jlan.ftp.FTPDataSession

All Implemented Interfaces:

Runnable

public class FTPDataSession
extends Object
implements Runnable

FTP Data Session Class

A data connection is made when a PORT or PASV FTP command is received on the main control session.

The PORT command will actively connect to the specified address/port on the client. The PASV command will create a listening socket and wait for the client to connect.

Author:

gkspencer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FTPDataSession(FTPSrvSession sess) Class constructor
protected	FTPDataSession(FTPSrvSession sess, InetAddress bindAddr) Class constructor
protected	FTPDataSession(FTPSrvSession sess, InetAddress addr, int port) Class constructor
protected	FTPDataSession(FTPSrvSession sess, int localPort, InetAddress bindAddr) Class constructor
protected	FTPDataSession(FTPSrvSession sess, int localPort, InetAddress addr, int port) Class constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	abortTransfer() Abort an in progress file transfer
void	closeSession() Close the data connection
protected int	getAllocatedPort() Return the port that was allocated to the data session
FTPSrvSession	getCommandSession() Return the associated command session
int	getLocalPort() Return the local port
InetAddress	getPassiveAddress() Return the passive server socket address
int	getPassivePort() Return the passive server socket port
Socket	getSocket() Return the data socket connected to the client
long	getTransferByteCount() Return the transfer byte count
boolean	isTransferActive() Determine if a file transfer is active
void	run() Run a file send/receive in a seperate thread

Methods inherited from class java.lang.Object

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

Constructor Detail

FTPDataSession

protected FTPDataSession(FTPSrvSession sess)
                  throws IOException

Class constructor

Create a data connection that listens for an incoming connection.

Parameters:

sess - FTPSrvSession

Throws:

IOException

FTPDataSession

protected FTPDataSession(FTPSrvSession sess,
              int localPort,
              InetAddress bindAddr)
                  throws IOException

Class constructor

Create a data connection that listens for an incoming connection on the specified network adapter and local port.

Parameters:

sess - FTPSrvSession

localPort - int

bindAddr - InetAddress

Throws:

IOException

FTPDataSession

protected FTPDataSession(FTPSrvSession sess,
              InetAddress bindAddr)
                  throws IOException

Class constructor

Create a data connection that listens for an incoming connection on the specified network adapter.

Parameters:

sess - FTPSrvSession

bindAddr - InetAddress

Throws:

IOException

FTPDataSession

protected FTPDataSession(FTPSrvSession sess,
              InetAddress addr,
              int port)

Class constructor

Create a data connection to the specified client address and port.

Parameters:

sess - FTPSrvSession

addr - InetAddress

port - int

FTPDataSession

protected FTPDataSession(FTPSrvSession sess,
              int localPort,
              InetAddress addr,
              int port)

Class constructor

Create a data connection to the specified client address and port, using the specified local port.

Parameters:

sess - FTPSrvSession

localPort - int

addr - InetAddress

port - int

Method Detail

getCommandSession

public final FTPSrvSession getCommandSession()

Return the associated command session

Returns:

FTPSrvSession

getLocalPort

public final int getLocalPort()

Return the local port

Returns:

int

getAllocatedPort

protected final int getAllocatedPort()

Return the port that was allocated to the data session

Returns:

int

getPassiveAddress

public final InetAddress getPassiveAddress()

Return the passive server socket address

Returns:

InetAddress

getPassivePort

public final int getPassivePort()

Return the passive server socket port

Returns:

int

isTransferActive

public final boolean isTransferActive()

Determine if a file transfer is active

Returns:

boolean

abortTransfer

public final void abortTransfer()

Abort an in progress file transfer

getTransferByteCount

public final long getTransferByteCount()

Return the transfer byte count

Returns:

long

getSocket

public final Socket getSocket()
                       throws IOException

Return the data socket connected to the client

Returns:

Socket

Throws:

IOException

closeSession

public final void closeSession()

Close the data connection

run

public void run()

Run a file send/receive in a seperate thread

Specified by:

run in interface Runnable