fix file splitting; tweaks
[id3fs.git] / lib / ID3FS / Fuse.pm
index bfe36da..cc38b65 100644 (file)
@@ -2,8 +2,11 @@ package ID3FS::Fuse;
 
 use strict;
 use warnings;
-use POSIX qw(EINVAL ENOENT EROFS EOPNOTSUPP);
+use ID3FS::Path;
 use Fuse;
+use POSIX qw(EINVAL EROFS ENOENT EOPNOTSUPP S_IRUSR S_IRGRP S_IROTH S_IXUSR S_IXGRP S_IXOTH);
+use vars qw($TYPE_DIR $TYPE_SYMLINK);
+($TYPE_DIR, $TYPE_SYMLINK)=(0040, 0120);
 
 sub new
 {
@@ -15,6 +18,8 @@ sub new
     $self->{db}=shift;
     $self->{source}=shift;
     $self->{mountpoint}=shift;
+    $self->{debug}=shift;
+    $self->{perms} = S_IRUSR() | S_IXUSR() | S_IRGRP() | S_IXGRP() | S_IROTH() | S_IXOTH();
 
     return $self;
 }
@@ -24,78 +29,105 @@ sub run
     my($self)=@_;
     Fuse::main(
        mountpoint  => $self->{mountpoint},
-       threaded=>0,
-       debug => 1,
-       getattr     => "ID3FS::Fuse::getattr",
-#      readlink    => "ID3FS::Fuse::readlink",
-       getdir      => "ID3FS::Fuse::getdir",
-#      mknod       => "ID3FS::Fuse::mknod",
-#      mkdir       => "ID3FS::Fuse::mkdir",
-#      unlink      => "ID3FS::Fuse::unlink",
-#      rmdir       => "ID3FS::Fuse::rmdir",
-#      symlink     => "ID3FS::Fuse::symlink",
-#      rename      => "ID3FS::Fuse::rename",
-#      link        => "ID3FS::Fuse::link",
-#      chmod       => "ID3FS::Fuse::chmod",
-#      chown       => "ID3FS::Fuse::chown",
-#      truncate    => "ID3FS::Fuse::truncate",
-#      utime       => "ID3FS::Fuse::utime",
-#      open        => "ID3FS::Fuse::open",
-#      read        => "ID3FS::Fuse::read",
-#      write       => "ID3FS::Fuse::write",
-#      statfs      => "ID3FS::Fuse::statfs",
-#      release     => "ID3FS::Fuse::release",
-#      fsync       => "ID3FS::Fuse::fsync",
-#      setxattr    => "ID3FS::Fuse::setxattr",
-#      getxattr    => "ID3FS::Fuse::getxattr",
-#      listxattr   => "ID3FS::Fuse::listxattr",
-#      removexattr => "ID3FS::Fuse::removexattr",
+       threaded    => 0,
+       debug       => $self->{debug},
+       mountopts   => "allow_other,ro",
+       getattr     => sub { $self->getattr(@_); },
+       readlink    => sub { $self->readlink(@_); },
+       getdir      => sub { $self->getdir(@_); },
+       # Not used
+#      mknod       => sub { $self->mknod(@_); },
+#      mkdir       => sub { $self->mkdir(@_); },
+#      unlink      => sub { $self->unlink(@_); },
+#      rmdir       => sub { $self->rmdir(@_); },
+#      symlink     => sub { $self->symlink(@_); },
+#      rename      => sub { $self->rename(@_); },
+#      link        => sub { $self->link(@_); },
+#      chmod       => sub { $self->chmod(@_); },
+#      chown       => sub { $self->chown(@_); },
+#      truncate    => sub { $self->truncate(@_); },
+#      utime       => sub { $self->utime(@_); },
+#      open        => sub { $self->open(@_); },
+#      read        => sub { $self->read(@_); },
+#      write       => sub { $self->write(@_); },
+#      statfs      => sub { $self->statfs(@_); },
+#      release     => sub { $self->release(@_); },
+#      fsync       => sub { $self->fsync(@_); },
+#      setxattr    => sub { $self->setxattr(@_); },
+#      getxattr    => sub { $self->getxattr(@_); },
+#      listxattr   => sub { $self->listxattr(@_); },
+#      removexattr => sub { $self->removexattr(@_); },
        );
 }
 
 sub getattr
 {
-    my($filename)=@_;
-    print "GETATTR: $filename\n";
+    my($self, $filename)=@_;
+    print "**GETATTR: $filename\n";
+    my $path=ID3FS::Path->new($self->{db}, $filename);
+    return(-ENOENT()) unless($path->isvalid());
     my($dev,$ino,$nlink)=(0,0,1);
-    my($uid,$gid)=(1000,1000);
+    my $uid=$<;
+    my $gid=(split(/ /, $( ))[0];
     my($rdev,$size)=(0,1);
     my($atime,$mtime,$ctime)=(0,0,0);
     my($blksize,$blocks)=(512,1);
-    my $mode=(0040 << 9) | 0755;
+    my $mode=$self->mode( $path->isdir() ? $TYPE_DIR : $TYPE_SYMLINK );
     return($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
           $atime,$mtime,$ctime,$blksize,$blocks);
 }
 
-sub readlink    { print "readlink\n"; return "FIXME";       }
+sub readlink
+{
+    my($self,$filename)=@_;
+    print "**READLINK: $filename\n";
+    my $path=ID3FS::Path->new($self->{db}, $filename);
+    return(-EINVAL()) unless($path->isfile());
+    return $path->dest();
+}
 
 sub getdir
 {
-    my($filename)=@_;
-    print "GETDIR: $filename\n";
-    return('.',0);
+    my($self, $filename)=@_;
+    print "**GETDIR: $filename\n";
+    my $path=ID3FS::Path->new($self->{db}, $filename);
+    return(-ENOENT()) unless($path->isvalid());
+    if($path->isdir())
+    {
+       return(".", "..", $path->dirents(), 0);
+    }
+    return -ENOTDIR();
 }
 
-sub mknod       { print "mknod\n"; return -EINVAL();     }
-sub mkdir       { print "mkdir\n"; return -EROFS();      }
-sub unlink      { print "unlink\n"; return -EINVAL();     }
-sub rmdir       { print "rmdir\n"; return -EROFS();      }
-sub symlink     { print "symlink\n"; return -EROFS();      }
-sub rename      { print "rename\n"; return -EROFS();      }
-sub link        { print "link\n"; return -EROFS();      }
-sub chmod       { print "chmod\n"; return -EINVAL();     }
-sub chown       { print "chown\n"; return -EINVAL();     }
-sub truncate    { print "truncate\n"; return -EROFS();      }
-sub utime       { print "utime\n"; return -EINVAL();     }
-sub open        { print "open\n"; return -EINVAL();     }
-sub read        { print "read\n"; return -EINVAL();     }
-sub write       { print "write\n"; return -EINVAL();     }
-sub statfs      { print "statfs\n"; return -EINVAL();     }
-sub release     { print "release\n"; return 0;             }
-sub fsync       { print "fsync\n"; return 0;             }
-sub setxattr    { print "setxattr\n"; return -EOPNOTSUPP(); }
-sub getxattr    { print "getxattr\n"; return -EOPNOTSUPP(); }
-sub listxattr   { print "listxattr\n"; return -EOPNOTSUPP(); }
+# unused stubs
+sub mknod       { print "mknod\n"; return -EROFS();            }
+sub mkdir       { print "mkdir\n"; return -EROFS();            }
+sub unlink      { print "unlink\n"; return -EROFS();           }
+sub rmdir       { print "rmdir\n"; return -EROFS();            }
+sub symlink     { print "symlink\n"; return -EROFS();          }
+sub rename      { print "rename\n"; return -EROFS();           }
+sub link        { print "link\n"; return -EROFS();             }
+sub chmod       { print "chmod\n"; return -EROFS();            }
+sub chown       { print "chown\n"; return -EROFS();            }
+sub truncate    { print "truncate\n"; return -EROFS();         }
+sub utime       { print "utime\n"; return -EINVAL();           }
+sub open        { print "open\n"; return -EINVAL();            }
+sub read        { print "read\n"; return -EINVAL();            }
+sub write       { print "write\n"; return -EROFS();            }
+sub statfs      { print "statfs\n"; return -EINVAL();          }
+sub release     { print "release\n"; return 0;                 }
+sub fsync       { print "fsync\n"; return 0;                   }
+sub setxattr    { print "setxattr\n"; return -EOPNOTSUPP();    }
+sub getxattr    { print "getxattr\n"; return -EOPNOTSUPP();    }
+sub listxattr   { print "listxattr\n"; return -EOPNOTSUPP();   }
 sub removexattr { print "removexattr\n"; return -EOPNOTSUPP(); }
 
+sub mode
+{
+    my($self, $type)=@_;
+    return(($type << 9) | $self->{perms});
+}
+
+
+
 1;