[pbs-devel] [PATCH v8 proxmox-backup 28/69] api: datastore: attach split archive payload chunk reader

[Christian Ebner]

Attach the payload chunk reader for pxar archives which have been
uploaded using split streams for metadata and payload data.

Signed-off-by: Christian Ebner <c.ebner at proxmox.com>
---
changes since version 7:
- no changes

changes since version 6:
- adapt to PxarVariant pxar interface

 src/api2/admin/datastore.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs
index af1c12cc0..bab1104d4 100644
--- a/src/api2/admin/datastore.rs
+++ b/src/api2/admin/datastore.rs
@@ -1813,7 +1813,16 @@ pub fn pxar_file_download(
         let (reader, archive_size) =
             get_local_pxar_reader(datastore.clone(), &manifest, &backup_dir, pxar_name)?;
 
-        let decoder = Accessor::new(pxar::PxarVariant::Unified(reader), archive_size).await?;
+        let reader = if let Some(archive_base_name) = pxar_name.strip_suffix(".mpxar.didx") {
+            let payload_archive_name = format!("{archive_base_name}.ppxar.didx");
+            let payload_input =
+                get_local_pxar_reader(datastore, &manifest, &backup_dir, &payload_archive_name)?;
+            pxar::PxarVariant::Split(reader, payload_input)
+        } else {
+            pxar::PxarVariant::Unified(reader)
+        };
+        let decoder = Accessor::new(reader, archive_size).await?;
+
         let root = decoder.open_root().await?;
         let path = OsStr::from_bytes(file_path).to_os_string();
         let file = root
-- 
2.39.2