NAME

Net::TFTP - TFTP Client class

SYNOPSIS

            

              
              
use Net::TFTP;
$tftp = Net::TFTP->new("some.host.name", BlockSize => 1024);
$tftp->ascii;
$tftp->get("remotefile", "localfile");
$tftp->get("remotefile", \*STDOUT);
$fh = $tftp->get("remotefile");
$tftp->binary;
$tftp->put("localfile", "remotefile");
$tftp->put(\*STDOUT, "remotefile");
$fh = $tftp->put("remotefile");
$err = $tftp->error
            
          

DESCRIPTION

Net::TFTP is a class implementing a simple Trivial File Transfer Protocol client in Perl as described in RFC1350. Net::TFTP also supports the TFTP Option Extension (as described in RFC2347), with the following options

            

              
              
RFC2348 Blocksize Option
            
          

CONSTRUCTOR

new ( [ HOST ] [, OPTIONS ])

Create a new Net::TFTP object where HOST is the default host to connect to and OPTIONS are the default transfer options. Valid options are

            

              
              
Option     Description                                           Default
------     -----------                                           -------
Timeout    Timeout in seconds before retry                           5
Retries    Maximum number of retries                                 5
Port        Port to send data to                                    69
Mode        Mode to transfer data in, "octet" or "netascii"     "netascii"
BlockSize  Negotiate size of blocks to use in the transfer        512
IpMode      Indicates whether to operate in IPv6 mode              "v4"
            
          

METHODS

get ( REMOTE_FILE [, LOCAL ] [, OPTIONS ])

Get REMOTE_FILE from the server. OPTIONS can be any that are accepted by new plus the following

            

              
              
Host    Override default host
            
          

If the LOCAL option is missing the get will return a filehandle. This filehandle must be read ASAP as the server will otherwise timeout.

If the LOCAL option is given then it can be a file name or a reference. If it is a reference it is assumed to be a reference that is valid as a filehandle. get will return true if the transfer is successful and undef otherwise.

Valid filehandles are

• A sub-class of IO::Handle

• A tied filehandle

• A GLOB reference (eg \*STDOUT)

put ( [ LOCAL, ] REMOTE_FILE [, OPTIONS])

Put a file to the server as REMOTE_FILE. OPTIONS can be any that are accepted by new plus the following

            

              
              
Host    Override default host
            
          

If the LOCAL option is missing the put will return a filehandle. This filehandle must be written to ASAP as the server will otherwise timeout.

If the LOCAL option is given then it can be a file name or a reference. If it is a reference it is assumed to be a valid filehandle as described above. put will return true if the transfer is successful and undef otherwise.

error

If there was an error then this method will return an error string.

host ( [ HOST ] )

timeout ( [ TIMEOUT ] )

port ( [ PORT ] )

mode ( [ MODE ] )

retries ( [ VALUE ] )

block_size ( [ VALUE ] )

debug ( [ VALUE ] )

Set or get the values for the various options. If an argument is passed then a new value is set for that option and the previous value returned. If no value is passed then the current value is returned.

ip_mode ( [ VALUE ] )

Set or get which verion of IP to use ("v4" or "v6")

ascii

netascii

Set the transfer mode to "netascii"

binary

octet

Set the transfer mode to "octet"

AUTHOR

Graham Barr <gbarr@pobox.com>

COPYRIGHT

Copyright (c) 1998,2007 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.