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package modules::modprobe_conf;
use log;
use common;
our @ISA = qw(modules::any_conf);
sub get_above {
my ($conf, $name) = @_;
after_modules($name, $conf->{$name}{install});
}
sub set_above {
my ($conf, $name, $modules) = @_;
#TODO
}
sub get_probeall {
my ($conf, $alias) = @_;
#TODO
}
sub add_probeall {
my ($conf, $alias, $module) = @_;
#TODO
my $l = $conf->{$alias}{probeall} ||= [];
@$l = uniq(@$l, $module);
log::l("setting probeall $alias to @$l");
}
sub remove_probeall {
my ($conf, $alias, $module) = @_;
#TODO
my $l = $conf->{$alias}{probeall} ||= [];
@$l = grep { $_ ne $module } @$l;
log::l("setting probeall $alias to @$l");
}
################################################################################
sub remove_braces {
my ($s) = @_;
$s =~ s/^\s*\{\s*(.*)\s*;\s*\}\s*$/$1/;
$s;
}
sub non_virtual {
my ($module, $s) = @_;
my ($before, $options, $after) =
$s =~ m!^(?:(.*);)?
\s*(?:/sbin/)?modprobe\s+(-\S+\s+)*\Q$module\E
\s*(?:&&\s*(.*))?$!x
or return;
$options =~ /--ignore-(install|remove)\b/ or return;
($before, $after) = map { remove_braces($_ || '') } $before, $after;
$after =~ s!\s*;\s*/bin/true$!!;
$before, $after;
}
sub after_modules {
my ($module, $s) = @_;
my (undef, $after) = non_virtual($module, $s) or return;
}
sub probeall {
my ($module, $s) = @_;
non_virtual($module, $s) and return;
if ($s =~ /[{&|]/) {
log::l("weird install line in modprobe.conf for $module: $s");
return;
}
$s ne '/bin/true' or return; #- we have "alias $module off" here
$s =~ s!\s*;\s*/bin/true$!!;
my @l = split(/\s*;\s*/, $s);
[ map {
if (m!^(?:/sbin/)?modprobe\s+(\S+)$!) {
$1
} else {
log::l("weird probeall string $_ (from install $module $s)");
();
}
} @l ];
}
sub parse {
my ($type, $module, $s) = @_;
member($type, 'install', 'remove') or return;
if (my ($before, $after) = non_virtual($module, $s)) {
[
if_($after, [ "post-$type", $after ]),
if_($before, [ "pre-$type", $before ]),
];
} elsif (my $l = probeall($module, $s)) {
[ [ 'probeall', @$l ] ];
}
}
1;
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