5 local $SIG{'__WARN__'} = \&Carp::cluck;
10 require threads::shared;
15 threads::shared->import();
18 my $has_Filesys__Statvfs = 0;
20 require Filesys::Statvfs;
23 $has_Filesys__Statvfs = 1;
24 Filesys::Statvfs->import();
30 use POSIX qw(ENOENT ENOSYS EEXIST EPERM O_RDONLY O_RDWR O_APPEND O_CREAT);
31 use Fcntl qw(S_ISBLK S_ISCHR S_ISFIFO SEEK_SET S_ISREG S_ISFIFO S_IMODE S_ISCHR S_ISBLK S_ISSOCK);
34 use Unix::Mknod qw(:all);
36 my %extraopts = ( 'threaded' => 0, 'debug' => 0 );
37 my($use_real_statfs, $pidfile);
39 'use-threads' => sub {
41 $extraopts{'threaded'} = 1;
45 $extraopts{'debug'} = 1;
47 'use-real-statfs' => \$use_real_statfs,
48 'pidfile=s' => \$pidfile,
49 ) || die('Error parsing options');
51 sub fixup { return "/tmp/fusetest-" . $ENV{LOGNAME} . shift }
54 my ($file) = fixup(shift);
55 my (@list) = lstat($file);
56 return -$! unless @list;
61 my ($dirname) = fixup(shift);
62 unless(opendir(DIRHANDLE,$dirname)) {
65 my (@files) = readdir(DIRHANDLE);
71 my ($file) = fixup(shift);
73 return -$! unless sysopen(FILE,$file,$mode);
79 my ($file,$bufsize,$off) = @_;
81 my ($handle) = new IO::File;
82 return -ENOENT() unless -e ($file = fixup($file));
83 my ($fsize) = -s $file;
84 return -ENOSYS() unless open($handle,$file);
85 if(seek($handle,$off,SEEK_SET)) {
86 read($handle,$rv,$bufsize);
92 my ($file,$buf,$off) = @_;
94 return -ENOENT() unless -e ($file = fixup($file));
95 my ($fsize) = -s $file;
96 return -ENOSYS() unless open(FILE,'+<',$file);
97 if($rv = seek(FILE,$off,SEEK_SET)) {
98 $rv = print(FILE $buf);
100 $rv = -ENOSYS() unless $rv;
105 sub err { return (-shift || -$!) }
107 sub x_readlink { return readlink(fixup(shift)); }
108 sub x_unlink { return unlink(fixup(shift)) ? 0 : -$!; }
110 sub x_symlink { print "symlink\n"; return symlink(shift,fixup(shift)) ? 0 : -$!; }
113 my ($old) = fixup(shift);
114 my ($new) = fixup(shift);
115 my ($err) = rename($old,$new) ? 0 : -ENOENT();
118 sub x_link { return link(fixup(shift),fixup(shift)) ? 0 : -$! }
120 my ($fn) = fixup(shift);
122 print "nonexistent $fn\n" unless -e $fn;
124 lchown($uid, $gid, $fn);
128 my ($fn) = fixup(shift);
130 my ($err) = chmod($mode,$fn) ? 0 : -$!;
133 sub x_truncate { return truncate(fixup(shift),shift) ? 0 : -$! ; }
134 sub x_utime { return utime($_[1],$_[2],fixup($_[0])) ? 0:-$!; }
136 sub x_mkdir { my ($name, $perm) = @_; return 0 if mkdir(fixup($name),$perm); return -$!; }
137 sub x_rmdir { return 0 if rmdir fixup(shift); return -$!; }
140 # since this is called for ALL files, not just devices, I'll do some checks
141 # and possibly run the real mknod command.
142 my ($file, $modes, $dev) = @_;
143 $file = fixup($file);
145 if (S_ISREG($modes)) {
146 open(FILE, '>', $file) || return -$!;
149 chmod S_IMODE($modes), $file;
152 elsif (S_ISFIFO($modes)) {
153 my ($rv) = POSIX::mkfifo($file, S_IMODE($modes));
154 return $rv ? 0 : -POSIX::errno();
156 elsif (S_ISCHR($modes) || S_ISBLK($modes)) {
157 mknod($file, $modes, $dev);
160 # S_ISSOCK maybe should be handled; however, for our test it should
170 if ($has_Filesys__Statvfs && $use_real_statfs) {
171 (my($bsize, $frsize, $blocks, $bfree, $bavail,
172 $files, $ffree, $favail, $flag,
173 $namemax) = statvfs('/tmp')) || return -$!;
174 return ($namemax, $files, $ffree, $blocks, $bavail, $bsize);
176 return 255,1000000,500000,1000000,500000,4096;
178 my ($mountpoint) = '';
179 $mountpoint = shift(@ARGV) if @ARGV;
181 if (! -d $mountpoint) {
182 print STDERR "ERROR: attempted to mount to non-directory\n";
186 die("fork() failed: $!") unless defined $pid;
193 open(PIDFILE, '>', $pidfile);
194 print PIDFILE $$, "\n";
198 'mountpoint' => $mountpoint,
199 'getattr' => 'main::x_getattr',
200 'readlink' => 'main::x_readlink',
201 'getdir' => 'main::x_getdir',
202 'mknod' => 'main::x_mknod',
203 'mkdir' => 'main::x_mkdir',
204 'unlink' => 'main::x_unlink',
205 'rmdir' => 'main::x_rmdir',
206 'symlink' => 'main::x_symlink',
207 'rename' => 'main::x_rename',
208 'link' => 'main::x_link',
209 'chmod' => 'main::x_chmod',
210 'chown' => 'main::x_chown',
211 'truncate' => 'main::x_truncate',
212 'utime' => 'main::x_utime',
213 'open' => 'main::x_open',
214 'read' => 'main::x_read',
215 'write' => 'main::x_write',
216 'statfs' => 'main::x_statfs',
220 # vim: ts=4 ai et hls