--- /dev/null
+#!/usr/bin/perl
+
+use POSIX qw(ENOENT EISDIR EINVAL);
+use Fuse;
+
+use DBI;
+use strict;
+
+my $sql_filenames = q{
+ select
+ templateid as id,
+ namespace||'/'||name as filename,
+ length(template) as size,
+ iseditable as writable
+ from template ;
+};
+
+my $sql_content = q{
+ select template
+ from template
+ where templateid = ?;
+};
+
+
+my $connect = "DBI:Pg:dbname=webgui";
+
+my $dbh = DBI->connect($connect,"","") || die $DBI::errstr;
+
+print STDERR "$sql_filenames\n";
+
+my $sth_filenames = $dbh->prepare($sql_filenames) || die $dbh->errstr();
+$sth_filenames->execute() || die $sth_filenames->errstr();
+
+my $sth_content = $dbh->prepare($sql_content) || die $dbh->errstr();
+
+print "#",join(",",@{ $sth_filenames->{NAME} }),"\n";
+
+my $ctime_start = time();
+
+my (%files) = (
+ '.' => {
+ type => 0040,
+ mode => 0755,
+ },
+# a => {
+# cont => "File 'a'.\n",
+# type => 0100,
+# ctime => time()-2000
+# },
+);
+
+my %dirs;
+
+while (my $row = $sth_filenames->fetchrow_hashref() ) {
+ $files{$row->{'filename'}} = {
+ size => $row->{'size'},
+ mode => $row->{'writable'} ? 0644 : 0444,
+ id => $row->{'id'} || 99,
+ };
+
+ my $d;
+ foreach (split(m!/!, $row->{'filename'})) {
+ # first, entry is assumed to be file
+ if ($d) {
+ $files{$d} = {
+ size => $dirs{$d}++,
+ mode => 0755,
+ type => 0040
+ };
+ $files{$d.'/.'} = {
+ mode => 0755,
+ type => 0040
+ };
+ $files{$d.'/..'} = {
+ mode => 0755,
+ type => 0040
+ };
+ }
+ $d .= "/" if ($d);
+ $d .= "$_";
+ }
+}
+
+print scalar (keys %dirs), " dirs:",join(" ",keys %dirs),"\n";
+
+sub filename_fixup {
+ my ($file) = shift;
+ $file =~ s,^/,,;
+ $file = '.' unless length($file);
+ return $file;
+}
+
+sub e_getattr {
+ my ($file) = filename_fixup(shift);
+ $file =~ s,^/,,;
+ $file = '.' unless length($file);
+ return -ENOENT() unless exists($files{$file});
+ my ($size) = $files{$file}{size} || 1;
+ my ($dev, $ino, $rdev, $blocks, $gid, $uid, $nlink, $blksize) = (0,0,0,1,0,0,1,1024);
+ my ($atime, $ctime, $mtime);
+ $atime = $ctime = $mtime = $files{$file}{ctime} || $ctime_start;
+
+ my ($modes) = (($files{$file}{type} || 0100)<<9) + $files{$file}{mode};
+
+ # 2 possible types of return values:
+ #return -ENOENT(); # or any other error you care to
+ #print(join(",",($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks)),"\n");
+ return ($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);
+}
+
+sub e_getdir {
+ my ($dirname) = shift;
+ $dirname =~ s!^/!!;
+ # return as many text filenames as you like, followed by the retval.
+ print((scalar keys %files)." files total\n");
+ my %out;
+ foreach (keys %files) {
+ my $f = $_;
+ $f =~ s/^\E$dirname\Q//;
+ $f =~ s/^\///;
+ if ($dirname) {
+ $out{$f}++ if (/^\E$dirname\Q/);
+ } else {
+ $out{$f}++ if ($f =~ /^[^\/]+$/);
+ }
+ print "f: $_ -> $f\n";
+ }
+ if (! %out) {
+ $out{'no files? bug?'}++;
+ }
+ print scalar keys %out," files found for '$dirname': ",keys %out,"\n";
+ return (keys %out),0;
+}
+
+sub e_open {
+ # VFS sanity check; it keeps all the necessary state, not much to do here.
+ my ($file) = filename_fixup(shift);
+ print("open called\n");
+ return -ENOENT() unless exists($files{$file});
+ return -EISDIR() unless exists($files{$file}{id});
+ if (!exists($files{$file}{cont})) {
+ $sth_content->execute($files{$file}{id});
+ ($files{$file}{cont}) = $sth_content->fetchrow_array;
+ }
+ print("open ok\n");
+ return 0;
+}
+
+sub e_read {
+ # return an error numeric, or binary/text string. (note: 0 means EOF, "0" will
+ # give a byte (ascii "0") to the reading program)
+ my ($file) = filename_fixup(shift);
+ my ($buf,$off) = @_;
+ return -ENOENT() unless exists($files{$file});
+ return -EINVAL() if $off > length($files{$file}{cont});
+ return 0 if $off == length($files{$file}{cont});
+ return substr($files{$file}{cont},$off,$buf);
+}
+
+sub e_statfs { return 255, 1, 1, 1, 1, 2 }
+
+# If you run the script directly, it will run fusermount, which will in turn
+# re-run this script. Hence the funky semantics.
+my ($mountpoint) = "";
+$mountpoint = shift(@ARGV) if @ARGV;
+Fuse::main(
+ mountpoint=>$mountpoint,
+ getattr=>\&e_getattr,
+ getdir=>\&e_getdir,
+ open=>\&e_open,
+ statfs=>\&e_statfs,
+ read=>\&e_read,
+ debug=>1,
+);