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GNU/Linux |
Debian 7.4.0(Wheezy) |
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X11::Protocol::Connection(3pm) |
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X11::Protocol::Connection − Perl module abstract base class for X11 client to server connections
# 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) ...
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.
Stephen McCamant <SMCCAM@cpan.org>.
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.
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X11::Protocol::Connection(3pm) | |