Class MyGridFTP

java.lang.Object
  |
  +--MyGridFTP

public class MyGridFTP

extends java.lang.Object

Sample Java class to perform a transfer.

Example usage is: (to transfer a file in parallel to a remote computer)

MyGridFTP grid = new MyGridFTP("hawk01.mcs.surrey.ac.uk", 2811, "/tmp/x509up_u28008");

String rf1 = "/grid/users/tugba/TestGridFile";

String lf1 = "/user/csckmst/css1tt/gt3/samples/TestGridFile";

int TRANSFER_TYPE = GridFTPSession.TYPE_ASCII;

myGridFTP1.parallelTransfer(rf1,lf1);

myGridFTP1.close();

Field Summary

static int

GRIDFTP_PORT

Constructor Summary

MyGridFTP(java.lang.String host, int port, java.lang.String credentialFile)
Initiate GRIDFTP session

Method Summary

void	close() Cleanup FTP connection & certs
void	download(java.lang.String remoteFile, java.lang.String localFile, int transferType) Download a file from a remote host
static void	main(java.lang.String[] args) testing GridFTP class
void	markerArrived(Marker m)
void	parallelDownload(java.lang.String remoteFile, java.lang.String localFile) Download a file in parallel.
void	parallelTransfer(java.lang.String remoteFile, java.lang.String localfile) Transfer a local file to the remote host in parallel
void	transfer(java.lang.String remoteFile, java.lang.String localfile) Transfer a local file to the remote host

Methods inherited from class java.lang.Object

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

Field Detail

GRIDFTP_PORT

public static int GRIDFTP_PORT

Constructor Detail

MyGridFTP

public MyGridFTP(java.lang.String host,
                 int port,
                 java.lang.String credentialFile)

Initiate GRIDFTP session

Parameters:

host - remote GRIDFTP host

port - remote GridFTP port (default is 2811)

credentialFile - The user's credential file e.g. /tmp/x509up_u28008. This value can be obtained as follows:

cd /tmp

ls -al

find your file associated with your login name e.g.:

-rw------- 1 css1tt csstaff 2203 Feb 13 10:32 x509up_u28008

Use this file name in your credentialFile

Method Detail

transfer

public void transfer(java.lang.String remoteFile,
                     java.lang.String localfile)

Transfer a local file to the remote host

Parameters:

remoteFile - Remote host file

localfile - The file which will be transferred

parallelTransfer

public void parallelTransfer(java.lang.String remoteFile,
                             java.lang.String localfile)

Transfer a local file to the remote host in parallel

Parameters:

remoteFile - Remote host file

localfile - The file which will be transferred

markerArrived

public void markerArrived(Marker m)

download

public void download(java.lang.String remoteFile,
                     java.lang.String localFile,
                     int transferType)

Download a file from a remote host

Parameters:

remoteFile - Remote host file must exist

localFile - Whre should the remote file be stored

parallelDownload

public void parallelDownload(java.lang.String remoteFile,
                             java.lang.String localFile)

Download a file in parallel. Requires transfer type IMAGE & transfer mode EBLOCK Opens 2 parallel trasfer streams to the same remote file

close

public void close()

Cleanup FTP connection & certs

main

public static void main(java.lang.String[] args)

testing GridFTP class