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#!/usr/bin/env perl
#-*- Mode: perl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
# Detect, list and manipulate local media devices.
#
# Copyright (C) 2000-2001 Ximian, Inc.
#
# Authors: Hans Petter Jansson <hpj@ximian.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
require "___scriptsdir___/xml.pl";
require "___scriptsdir___/parse.pl";
# xst_media_get_ide_device_from_proc
#
# Read IDE device specs for a single device from constructed /proc subdir and
# a couple of other places.
sub xst_media_get_ide_device_from_proc
{
my ($path) = "/proc/ide/$_[0]/$_[1]";
my (%device);
%device->{"device"} = $_[1];
%device->{"type"} = "ide";
%device->{"media"} = &xst_parse_line_first ("$path/media");
%device->{"model"} = &xst_parse_line_first ("$path/model");
%device->{"cache"} = &xst_parse_line_first ("$path/cache");
%device->{"capacity"} = &xst_parse_line_first ("$path/capacity");
%device->{"driver"} = (split ' ', &xst_parse_line_first ("$path/driver")) [0];
# TODO: We need a detailed list of media types that can occur, and what
# special handling they need. Currently recognized are: disk, cdrom.
#
# Currently, everything that's not a disk is removable.
if (%device->{"media"} eq "disk")
{
%device->{"is_removable"} = 0;
# Disk devices can't be mounted and don't have file systems. Their
# partitions can and do, however.
# TODO: Partition information gathered in a sub-hash.
}
else # (%device->{"media"} eq "cdrom")
{
%device->{"is_removable"} = 1;
%device->{"point_listed"} = &xst_parse_split_first_str ("/etc/fstab", "/dev/$_[1]", "[ \t]+");
%device->{"point_actual"} = &xst_parse_split_first_str ("/etc/mtab", "/dev/$_[1]", "[ \t]+");
%device->{"fs_listed"} = (&xst_parse_split_all ("/etc/fstab", "/dev/$_[1]", "[ \t]+")) -> [1];
%device->{"fs_actual"} = (&xst_parse_split_all ("/etc/mtab", "/dev/$_[1]", "[ \t]+")) -> [1];
if (%device->{"point_actual"})
{
%device->{"is_mounted"} = 1;
}
else
{
%device->{"is_mounted"} = 0;
}
}
return %device;
}
# xst_media_get_list_from_proc
#
# Scan /proc files for media devices, and return a list of hashes.
sub xst_media_get_list_from_proc
{
local (*PROC_IDE_DIR, *PROC_IDE_CHANNEL_DIR);
my (@devices);
if (!(stat ("/proc"))) { return undef; }
# IDE devices.
if (!(opendir (PROC_IDE_DIR, "/proc/ide"))) { return undef; }
foreach $ide_entry (readdir (PROC_IDE_DIR))
{
if ($ide_entry =~ /ide[0-9]/)
{
if (!(opendir (PROC_IDE_CHANNEL_DIR, "/proc/ide/$ide_entry"))) { next; }
foreach $ide_channel_entry (readdir (PROC_IDE_CHANNEL_DIR))
{
# NOTE: This is just checking if the entry is a directory. I have a
# feeling it's more portable than stat().
if ($ide_channel_entry eq "." || $ide_channel_entry eq ".." ||
!(opendir (PROC_IDE_DEVICE, "/proc/ide/$ide_entry/$ide_channel_entry")))
{
next;
}
closedir (PROC_IDE_DEVICE);
my %device = &xst_media_get_ide_device_from_proc ($ide_entry, $ide_channel_entry);
if (%device)
{
push @devices, \%device;
}
}
}
}
return @devices;
}
# xst_media_get_list
#
# Return a list of hashes describing the media devices present
# on this machine.
sub xst_media_get_list
{
my @devices;
@devices = &xst_media_get_list_from_proc();
return @devices;
}
# xst_media_xml_print
#
# Given a media hash-list, prints the media inside a <media> tag
# pair, using current indent levels.
sub xst_media_xml_print
{
my @devices = @_;
&xst_xml_print_vspace ();
&xst_xml_print_line ("<media>\n");
&xst_xml_enter ();
for $dev (@devices)
{
&xst_xml_print_vspace ();
&xst_xml_print_line ("<device>\n");
&xst_xml_enter ();
&xst_xml_print_line ("<name>" . $dev->{"device"} . "</name>\n");
&xst_xml_print_line ("<type>" . $dev->{"media"} . "</type>\n");
&xst_xml_print_line ("<interface>" . $dev->{"type"} . "</interface>\n");
&xst_xml_print_line ("<driver>" . $dev->{"driver"} . "</driver>\n");
&xst_xml_print_line ("<model>" . $dev->{"model"} . "</model>\n");
if ($dev->{"media"} ne "disk")
{
&xst_xml_print_vspace ();
if ($dev->{"point_listed"})
{
&xst_xml_print_line ("<point_listed>" . $dev->{"point_listed"} . "</point_listed>\n");
}
xst_xml_print_state_tag ("mounted", $dev->{"is_mounted"});
}
&xst_xml_leave ();
&xst_xml_print_line ("</device>\n");
&xst_xml_print_vspace ();
}
&xst_xml_leave ();
&xst_xml_print_line ("</media>\n");
&xst_xml_print_vspace ();
}
# xst_media_xml_parse
#
#
sub xst_media_xml_parse
{
}
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