/[fuse_dbi]/fuse-couchdb/DBI.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 47 by dpavlin, Tue Nov 23 23:54:58 2004 UTC revision 51 by dpavlin, Sat Nov 27 14:02:18 2004 UTC
# Line 132  sub mount { Line 132  sub mount {
132    
133          print Dumper($arg);          print Dumper($arg);
134    
135            unless ($self->fuse_module_loaded) {
136                    print STDERR "no fuse module loaded. Trying sudo modprobe fuse!\n";
137                    system "sudo modprobe fuse" || die "can't modprobe fuse using sudo!\n";
138            }
139    
140          carp "mount needs 'dsn' to connect to (e.g. dsn => 'DBI:Pg:dbname=test')" unless ($arg->{'dsn'});          carp "mount needs 'dsn' to connect to (e.g. dsn => 'DBI:Pg:dbname=test')" unless ($arg->{'dsn'});
141          carp "mount needs 'mount' as mountpoint" unless ($arg->{'mount'});          carp "mount needs 'mount' as mountpoint" unless ($arg->{'mount'});
142    
# Line 242  sub umount { Line 247  sub umount {
247          my $self = shift;          my $self = shift;
248    
249          if ($self->{'mount'} && $self->is_mounted) {          if ($self->{'mount'} && $self->is_mounted) {
250                  system "fusermount -u ".$self->{'mount'}." 2>&1 >/dev/null" || return 0;                  system "fusermount -u ".$self->{'mount'}." 2>&1 >/dev/null" ||
251                            system "sudo umount ".$self->{'mount'} ||
252                            return 0;
253                  return 1;                  return 1;
254          }          }
255    
# Line 290  sub fuse_module_loaded { Line 297  sub fuse_module_loaded {
297  }  }
298    
299  my %files;  my %files;
 my %dirs;  
300    
301  sub read_filenames {  sub read_filenames {
302          my $self = shift;          my $self = shift;
# Line 330  sub read_filenames { Line 336  sub read_filenames {
336                          # first, entry is assumed to be file                          # first, entry is assumed to be file
337                          if ($d) {                          if ($d) {
338                                  $files{$d} = {                                  $files{$d} = {
                                                 size => $dirs{$d}++,  
339                                                  mode => 0755,                                                  mode => 0755,
340                                                  type => 0040                                                  type => 0040
341                                  };                                  };
# Line 348  sub read_filenames { Line 353  sub read_filenames {
353                  }                  }
354          }          }
355    
356          print "found ",scalar(keys %files)-scalar(keys %dirs)," files, ",scalar(keys %dirs), " dirs\n";          print "found ",scalar(keys %files)," files\n";
357  }  }
358    
359    
# Line 364  sub e_getattr { Line 369  sub e_getattr {
369          $file =~ s,^/,,;          $file =~ s,^/,,;
370          $file = '.' unless length($file);          $file = '.' unless length($file);
371          return -ENOENT() unless exists($files{$file});          return -ENOENT() unless exists($files{$file});
372          my ($size) = $files{$file}{size} || 1;          my ($size) = $files{$file}{size} || 1024;
373          my ($dev, $ino, $rdev, $blocks, $gid, $uid, $nlink, $blksize) = (0,0,0,1,0,0,1,1024);          my ($dev, $ino, $rdev, $blocks, $gid, $uid, $nlink, $blksize) = (0,0,0,int(($size+1023)/1024),0,0,1,1024);
374          my ($atime, $ctime, $mtime);          my ($atime, $ctime, $mtime);
375          $atime = $ctime = $mtime = $files{$file}{ctime} || $ctime_start;          $atime = $ctime = $mtime = $files{$file}{ctime} || $ctime_start;
376    
# Line 373  sub e_getattr { Line 378  sub e_getattr {
378    
379          # 2 possible types of return values:          # 2 possible types of return values:
380          #return -ENOENT(); # or any other error you care to          #return -ENOENT(); # or any other error you care to
381          #print(join(",",($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks)),"\n");          print "getattr($file) ",join(",",($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks)),"\n";
382          return ($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);          return ($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);
383  }  }
384    
# Line 538  sub e_utime { Line 543  sub e_utime {
543          return 0;          return 0;
544  }  }
545    
546  sub e_statfs { return 255, 1, 1, 1, 1, 2 }  sub e_statfs {
547    
548            my $size = 0;
549            my $inodes = 0;
550    
551            foreach my $f (keys %files) {
552                    if ($f !~ /(^|\/)\.\.?$/) {
553                            $size += $files{$f}{size} || 0;
554                            $inodes++;
555                    }
556                    print "$inodes: $f [$size]\n";
557            }
558    
559            $size = int(($size+1023)/1024);
560    
561            my @ret = (255, $inodes+1000, $inodes, $size, $size-10, 1024);
562    
563            print "statfs: ",join(",",@ret),"\n";
564    
565            return @ret;
566    }
567    
568  sub e_unlink {  sub e_unlink {
569          my $file = filename_fixup(shift);          my $file = filename_fixup(shift);
570    
571          if (exists( $dirs{$file} )) {  #       if (exists( $dirs{$file} )) {
572                  print "unlink '$file' will re-read template names\n";  #               print "unlink '$file' will re-read template names\n";
573                  print Dumper($fuse_self);  #               print Dumper($fuse_self);
574                  $$fuse_self->{'read_filenames'}->();  #               $$fuse_self->{'read_filenames'}->();
575                  return 0;  #               return 0;
576          } elsif (exists( $files{$file} )) {          if (exists( $files{$file} )) {
577                  print "unlink '$file' will invalidate cache\n";                  print "unlink '$file' will invalidate cache\n";
578                  read_content($file,$files{$file}{id});                  read_content($file,$files{$file}{id});
579                  return 0;                  return 0;

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