Protocol::Connection(3User Contributed Perl DocumentaProtocol::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 v5.34.0 2022-10-13 Protocol::Connection(3pm)
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