Protocol::Connection(3pm)				User Contributed Perl Documentation				 Protocol::Connection(3pm)

NAME

       X11::Protocol::Connection - Perl module abstract base class for X11 client to server connections

SYNOPSIS

	 # In connection object module
	 package X11::Protocol::Connection::CarrierPigeon;
	 use X11::Protocol::Connection;
	 @ISA = ('X11::Protocol::Connection');
	 sub open { ... }
	 sub give { ... }
	 sub get { ... }
	 sub fh { ... }
	 ...

	 # In program
	 $connection = X11::Protocol::Connection::CarrierPigeon
	   ->open($host, $display_number);
	 $x = X11::Protocol->new($connection);

	 $connection->give($data);

	 $reply = unpack("I", $connection->get(4));

	 use IO::Select;
	 $sel = IO::select->new($connection->fh);
	 if ($sel->can_read == $connection->fh) ...

DESCRIPTION

       This module is an abstract base class for the various X11::Protocol::Connection::* modules that provide connections to X servers for the
       X11::Protocol module. It provides stubs for the following methods:

   open
	 $conn = X11::Protocol::Connection::Foo->open($host, $display_num)

       Open a connection to the specified display (numbered from 0) on the specified $host.

   give
	 $conn->give($data)

       Send the given data to the server. Normally, this method is used only by the protocol module itself.

   get
	 $data = $conn->get($n)

       Read $n bytes of data from the server. Normally, this method is used only by the protocol module itself.

   fh
	 $filehandle = $conn->fh

       Return an object suitable for use as a filehandle. This is mainly useful for doing select() and other such system calls.

AUTHOR

       Stephen McCamant <SMCCAM@cpan.org>.

SEE ALSO

       perl(1), X11::Protocol, X11::Protocol::Connection::Socket, X11::Protocol::Connection::FileHandle, X11::Protocol::Connection::INETSocket,
       X11::Protocol::Connection::UNIXSocket, X11::Protocol::Connection::INETFH, X11::Protocol::Connection::UNIXFH.

perl v5.14.2							    2003-01-27						 Protocol::Connection(3pm)