"PXAR_GOODBYE_TAIL_MARKER",
"__PROXMOX_FORMAT_PXAR_GOODBYE_TAIL_MARKER__",
),
+ (
+ "The start marker used in the separate payload stream",
+ "PXAR_PAYLOAD_START_MARKER",
+ "__PROXMOX_FORMAT_PXAR_PAYLOAD_START_MARKER__",
+ ),
(
"The end marker used in the separate payload stream",
"PXAR_PAYLOAD_TAIL_MARKER",
|input| SeqReadAtAdapter::new(input, entry_range.clone()),
|(payload_input, range)| SeqReadAtAdapter::new(payload_input, range),
);
- DecoderImpl::new_full(input, path, true).await
+ DecoderImpl::new_full(input, path, true, 0).await
}
// NOTE: This performs the Decoder::read_next_item() behavior! Keep in mind when changing!
}
impl<I: SeqRead> DecoderImpl<I> {
- pub async fn new(input: PxarVariant<I, I>) -> io::Result<Self> {
- Self::new_full(input, "/".into(), false).await
+ pub async fn new(mut input: PxarVariant<I, I>) -> io::Result<Self> {
+ let payload_consumed = if let Some(payload_input) = input.payload_mut() {
+ let header: Header = seq_read_entry(payload_input).await?;
+ if header.htype != format::PXAR_PAYLOAD_START_MARKER {
+ io_bail!(
+ "unexpected header in payload input: expected {:#x?} , got {header:#x?}",
+ format::PXAR_PAYLOAD_START_MARKER,
+ );
+ }
+ header.full_size()
+ } else {
+ 0
+ };
+
+ Self::new_full(input, "/".into(), false, payload_consumed).await
}
pub(crate) fn input(&self) -> &I {
input: PxarVariant<I, I>,
path: PathBuf,
eof_after_entry: bool,
+ payload_consumed: u64,
) -> io::Result<Self> {
- let this = DecoderImpl {
+ Ok(DecoderImpl {
input,
current_header: unsafe { mem::zeroed() },
entry: Entry {
path_lengths: Vec::new(),
state: State::Begin,
with_goodbye_tables: false,
- payload_consumed: 0,
+ payload_consumed,
eof_after_entry,
- };
-
- // this.read_next_entry().await?;
-
- Ok(this)
+ })
}
/// Get the next file entry, recursing into directories.
impl<'a, T: SeqWrite + 'a> EncoderImpl<'a, T> {
pub async fn new(
- output: PxarVariant<EncoderOutput<'a, T>, T>,
+ mut output: PxarVariant<EncoderOutput<'a, T>, T>,
metadata: &Metadata,
) -> io::Result<EncoderImpl<'a, T>> {
if !metadata.is_dir() {
io_bail!("directory metadata must contain the directory mode flag");
}
+
+ let mut state = EncoderState::default();
+ if let Some(payload_output) = output.payload_mut() {
+ let header = format::Header::with_content_size(format::PXAR_PAYLOAD_START_MARKER, 0);
+ header.check_header_size()?;
+ seq_write_struct(payload_output, header, &mut state.payload_write_position).await?;
+ }
+
let mut this = Self {
output,
- state: vec![EncoderState::default()],
+ state: vec![state],
finished: false,
file_copy_buffer: Arc::new(Mutex::new(unsafe {
crate::util::vec_new_uninitialized(1024 * 1024)
pub const PXAR_GOODBYE: u64 = 0x2fec4fa642d5731d;
/// The end marker used in the GOODBYE object
pub const PXAR_GOODBYE_TAIL_MARKER: u64 = 0xef5eed5b753e1555;
+/// The start marker used in the separate payload stream
+pub const PXAR_PAYLOAD_START_MARKER: u64 = 0x834c68c2194a4ed2;
/// The end marker used in the separate payload stream
pub const PXAR_PAYLOAD_TAIL_MARKER: u64 = 0x6c72b78b984c81b5;