+=item B<FLUSH> [B<timeout>=I<$timeout>] [B<plugin>=I<$plugin>[ ...]]
+
+=cut
+
+sub flush {
+ my $sock = shift || return;
+ my $line = shift;
+
+ my $res;
+
+ if (! $line) {
+ $res = $sock->flush();
+ }
+ else {
+ my %args = ();
+
+ foreach my $i (split m/ /, $line) {
+ my ($option, $value) = $i =~ m/^([^=]+)=(.+)$/;
+ next if (! ($option && $value));
+
+ if ($option eq "plugin") {
+ push @{$args{"plugins"}}, $value;
+ }
+ elsif ($option eq "timeout") {
+ $args{"timeout"} = $value;
+ }
+ elsif ($option eq "identifier") {
+ my $id = getid (\$value);
+ if (!$id)
+ {
+ print STDERR "Not a valid identifier: \"$value\"\n";
+ next;
+ }
+ push @{$args{"identifier"}}, $id;
+ }
+ else {
+ print STDERR "Invalid option \"$option\".\n";
+ return;
+ }
+ }
+
+ $res = $sock->flush(%args);
+ }
+
+ if (! $res) {
+ print STDERR $sock->{'error'} . $/;
+ return;
+ }
+ return 1;
+}
+
+=item B<LISTVAL>
+
+=cut
+
+sub listval {
+ my $sock = shift || return;
+
+ my @res;
+
+ @res = $sock->listval();
+
+ if (! @res) {
+ print STDERR $sock->{'error'} . $/;
+ return;
+ }
+
+ foreach my $ident (@res) {
+ print $ident->{'time'} . " " . putid($ident) . $/;
+ }
+ return 1;
+}
+
+=back
+
+These commands follow the exact same syntax as described in
+L<collectd-unixsock(5)>.
+