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gimp::net

Net(3)							User Contributed Perl Documentation						    Net(3)

NAME

       Gimp::Net - Communication module for the gimp-perl server.

SYNOPSIS

	 use Gimp;

DESCRIPTION

       For Gimp::Net (and thus commandline and remote scripts) to work, you first have to install the "Perl-Server" extension somewhere where Gimp
       can find it (e.g in your .gimp/plug-ins/ directory). Usually this is done automatically while installing the Gimp extension. If you have a
       menu entry "<Xtns"/Perl-Server> then it is probably installed.

       The Perl-Server can either be started from the "<Xtns"> menu in Gimp, or automatically when a perl script can't find a running Perl-Server.

       When started from within The Gimp, the Perl-Server will create a unix domain socket to which local clients can connect. If an authorization
       password is given to the Perl-Server (by defining the environment variable "GIMP_HOST" before starting The Gimp), it will also listen on a
       tcp port (default 10009). Since the password is transmitted in cleartext, using the Perl-Server over tcp effectively lowers the security of
       your network to the level of telnet. Even worse: the current Gimp::Net-protocol can be used for denial of service attacks, i.e. crashing
       the Perl-Server. There also *might* be buffer-overflows (although I do care a lot for these).

ENVIRONMENT

       The environment variable "GIMP_HOST" specifies the default server to contact and/or the password to use. The syntax is [auth@][tcp/]host-
       name[:port] for tcp, [auth@]unix/local/socket/path for unix and spawn/ for a private gimp instance. Examples are:

	www.yahoo.com		    # just kidding ;)
	yahoo.com:11100 	    # non-standard port
	tcp/yahoo.com		    # make sure it uses tcp
	authorize@tcp/yahoo.com:123 # full-fledged specification

	unix/tmp/unx		    # use unix domain socket
	password@unix/tmp/test	    # additionally use a password

	authorize@		    # specify authorization only

	spawn/			    # use a private gimp instance
	spawn/nodata		    # pass --no-data switch
	spawn/gui		    # don't pass -n switch

CALLBACKS

       net()
	   is called after we have succesfully connected to the server. Do your dirty work in this function, or see Gimp::Fu for a better solu-
	   tion.

FUNCTIONS

       server_quit()
	   sends the perl server a quit command.

       get_connection()
	   return a connection id which uniquely identifies the current connection.

       set_connection(conn_id)
	   set the connection to use on subsequent commands. "conn_id" is the connection id as returned by get_connection().

BUGS

       (Ver 0.04) This module is much faster than it ought to be... Silly that I wondered wether I should implement it in perl or C, since perl is
       soo fast.

AUTHOR

       Marc Lehmann <pcg@goof.com>

SEE ALSO

       perl(1), Gimp.

perl v5.8.0							    2001-12-06								    Net(3)

UNIX for Dummies Questions & Answers