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# space-monitor.pl
# Check the free space on some filesystem
sub get_space_status
{
return { 'up' => -1 } if (!&foreign_check("mount", 1));
&foreign_require("mount", "mount-lib.pl");
local $m;
foreach $f (&mount::list_mounted()) {
$m = $f if ($f->[0] eq $_[0]->{'fs'});
}
if ($m) {
local @sp = &mount::disk_space($m->[2], $m->[0]);
if (!$sp[0]) {
return { 'up' => -1,
'desc' => $text{'space_dferr'} };
}
if ($_[0]->{'min'} =~ /^(\S+)%/) {
# Compare percentage
local $pc = $sp[1] * 100.0 / $sp[0];
if ($pc < $1) {
return { 'up' => 0,
'value' => $pc,
'nice_value' => $pc.'%',
'desc' => &text('space_perr', int($pc)) };
}
}
else {
# Compare absolute size
if ($sp[1] < $_[0]->{'min'}) {
return { 'up' => 0,
'value' => $sp[1]*1024,
'nice_value' => &nice_size($sp[1]*1024),
'desc' => &text('space_merr',
&nice_size($sp[1]*1024)) };
}
}
if ($_[0]->{'inode'} && defined(&mount::inode_space)) {
# Do the inode check too
local @isp = &mount::inode_space($m->[2], $m->[0]);
if ($isp[1] < $_[0]->{'inode'}) {
return { 'up' => 0,
'value' => $isp[1],
'desc' => &text('space_ierr', $isp[1]) };
}
}
return { 'up' => 1,
'value' => $sp[1]*1024,
'nice_value' => &nice_size($sp[1]*1024),
'desc' => &text('space_desc', &nice_size($sp[1]*1024)) };
}
else {
return { 'up' => -1,
'desc' => $text{'space_nofs'} };
}
}
sub show_space_dialog
{
if (&foreign_check("mount")) {
# Can get filesystem list from mount module
&foreign_require("mount", "mount-lib.pl");
local @mounted = grep { $_->[0] =~ /^\// } &mount::list_mounted();
local ($got) = grep { $_->[0] eq $_[0]->{'fs'} } @mounted;
print &ui_table_row($text{'space_fs'},
&ui_select("fs", !$_[0]->{'fs'} ? $mounted[0]->[0] :
!$got ? "" : $_[0]->{'fs'},
[ (map { [ $_->[0] ] } @mounted),
[ "", $text{'space_other'} ] ])."\n".
&ui_textbox("other", $got ? "" : $_[0]->{'fs'}, 30),
3);
}
else {
# Just show text box
print &ui_table_row($text{'space_fs'},
&ui_textbox("other", $_[0]->{'fs'}, 30));
}
# Minimum free space
local $min = $_[0]->{'min'};
local $pc = ($min =~ s/\%$// ? 1 : 0);
print &ui_table_row($text{'space_min2'},
&ui_radio_table("min_mode", $pc,
[ [ 0, $text{'space_mode0'},
&ui_bytesbox("min", $pc ? undef : $min*1024) ],
[ 1, $text{'space_mode1'},
&ui_textbox("pc", $pc ? $min : undef, 4)."%" ] ]), 3);
# Minimum free inodes
if (defined(&mount::inode_space)) {
print &ui_table_row($text{'space_inode'},
&ui_textbox("inode", $_[0]->{'inode'}, 10));
}
}
sub parse_space_dialog
{
&depends_check($_[0], "mount");
if ($in{'min_mode'} == 0) {
$in{'min'} =~ /^[0-9\.]+$/ || &error($text{'space_emin'});
$_[0]->{'min'} = $in{'min'}*$in{'min_units'}/1024;
}
else {
$in{'pc'} =~ /^[0-9\.]+$/ && $in{'pc'} >= 0 && $in{'pc'} <= 100 ||
&error($text{'space_epc'});
$_[0]->{'min'} = $in{'pc'}."%";
}
if ($in{'fs'}) {
$_[0]->{'fs'} = $in{'fs'};
}
else {
$in{'other'} =~ /^\// || &error($text{'space_eother'});
$_[0]->{'fs'} = $in{'other'};
}
if (defined($in{'inode'})) {
$_[0]->{'inode'} = $in{'inode'} ? int($in{'inode'}) : undef;
}
}