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-rwxr-xr-xperl/examples/rmount_remote.pl143
1 files changed, 0 insertions, 143 deletions
diff --git a/perl/examples/rmount_remote.pl b/perl/examples/rmount_remote.pl
deleted file mode 100755
index e9e0866..0000000
--- a/perl/examples/rmount_remote.pl
+++ /dev/null
@@ -1,143 +0,0 @@
-#!/usr/bin/perl
-
-use strict;
-use IO::File;
-use POSIX qw(ENOENT ENOSYS EEXIST EPERM O_RDONLY O_RDWR O_APPEND O_CREAT);
-use Fcntl qw(S_ISBLK S_ISCHR S_ISFIFO SEEK_SET);
-use Data::Dumper;
-require 'syscall.ph'; # for SYS_mknod and SYS_lchown
-
-my ($rootdir) = @ARGV;
-
-# strip leading and trailing slashes
-$rootdir = $1 if($rootdir =~ /^\/?(.*)\/?$/);
-
-sub fixup { return "/$rootdir" . shift }
-
-sub x_getattr {
- my ($file) = fixup(shift);
- my (@list) = lstat($file);
- return -$! unless @list;
- return @list;
-}
-
-sub x_getdir {
- my ($dirname) = fixup(shift);
- unless(opendir(DIRHANDLE,$dirname)) {
- return -ENOENT();
- }
- my (@files) = readdir(DIRHANDLE);
- closedir(DIRHANDLE);
- return (@files, 0);
-}
-
-sub x_open {
- my ($file) = fixup(shift);
- my ($mode) = shift;
- return -$! unless sysopen(FILE,$file,$mode);
- close(FILE);
- return 0;
-}
-
-sub x_read {
- my ($file,$bufsize,$off) = @_;
- my ($rv) = -ENOSYS();
- my ($handle) = new IO::File;
- return -ENOENT() unless -e ($file = fixup($file));
- my ($fsize) = -s $file;
- return -ENOSYS() unless open($handle,$file);
- if(seek($handle,$off,SEEK_SET)) {
- read($handle,$rv,$bufsize);
- }
- return $rv;
-}
-
-sub x_write {
- my ($file,$buf,$off) = @_;
- my ($rv);
- return -ENOENT() unless -e ($file = fixup($file));
- my ($fsize) = -s $file;
- return -ENOSYS() unless open(FILE,'+<',$file);
- if($rv = seek(FILE,$off,SEEK_SET)) {
- $rv = print(FILE $buf);
- }
- $rv = -ENOSYS() unless $rv;
- close(FILE);
- return length($buf);
-}
-
-sub err { return (-shift || -$!) }
-
-sub x_readlink { return readlink(fixup(shift) ); }
-sub x_unlink { return unlink(fixup(shift)) ? 0 : -$!; }
-sub x_rmdir { return err(rmdir(fixup(shift)) ); }
-
-sub x_symlink { print "symlink\n"; return symlink(shift,fixup(shift)) ? 0 : -$!; }
-
-sub x_rename {
- my ($old) = fixup(shift);
- my ($new) = fixup(shift);
- my ($err) = rename($old,$new) ? 0 : -ENOENT();
- return $err;
-}
-sub x_link { return link(fixup(shift),fixup(shift)) ? 0 : -$! }
-sub x_chown {
- my ($fn) = fixup(shift);
- print "nonexistent $fn\n" unless -e $fn;
- my ($uid,$gid) = @_;
- # perl's chown() does not chown symlinks, it chowns the symlink's
- # target. it fails when the link's target doesn't exist, because
- # the stat64() syscall fails.
- # this causes error messages when unpacking symlinks in tarballs.
- my ($err) = syscall(&SYS_lchown,$fn,$uid,$gid,$fn) ? -$! : 0;
- return $err;
-}
-sub x_chmod {
- my ($fn) = fixup(shift);
- my ($mode) = shift;
- my ($err) = chmod($mode,$fn) ? 0 : -$!;
- return $err;
-}
-sub x_truncate { return truncate(fixup(shift),shift) ? 0 : -$! ; }
-sub x_utime { return utime($_[1],$_[2],fixup($_[0])) ? 0:-$!; }
-
-sub x_mkdir { my ($name, $perm) = @_; return 0 if mkdir(fixup($name),$perm); return -$!; }
-sub x_rmdir { return 0 if rmdir fixup(shift); return -$!; }
-
-sub x_mknod {
- # since this is called for ALL files, not just devices, I'll do some checks
- # and possibly run the real mknod command.
- my ($file, $modes, $dev) = @_;
- $file = fixup($file);
- $! = 0;
- syscall(&SYS_mknod,$file,$modes,$dev);
- return -$!;
-}
-
-# kludge
-sub x_statfs {return 255,1000000,500000,1000000,500000,4096}
-
-$| = 1;
-my ($len);
-while(read(STDIN,$len,9) == 9) {
- chomp $len;
- my ($data,$VAR1,@args);
- eval {
- $SIG{ALRM} = sub { die "timeout\n"};
- $data = "";
- alarm 5;
- read(STDIN,$data,$len-length($data),length($data))
- while(length($data) < $len);
- alarm 0;
- };
- die $@ if $@;
- eval $data;
- @args = @{$VAR1};
- my $cmd = shift(@args);
- exit 0 if $cmd eq "bye";
- die "cannot find command $cmd\n" unless exists($main::{"x_$cmd"});
- @args = $main::{"x_$cmd"}(@args);
- $cmd = Dumper(\@args)."\n";
- $cmd = sprintf("%08i\n%s",length($cmd),$cmd);
- print $cmd;
-}