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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Tue, 7 May 2024 17:52:12 +0200
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Subject: [pbs-devel] [PATCH v5 proxmox-backup 30/62] file restore: factor
out getting pxar reader
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Factor out the logic to get the pxar reader into a dedicated function
so it can be reused to get the payload data archive reader instance.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 4:
- no changes
proxmox-file-restore/src/main.rs | 44 ++++++++++++++++++++------------
1 file changed, 28 insertions(+), 16 deletions(-)
diff --git a/proxmox-file-restore/src/main.rs b/proxmox-file-restore/src/main.rs
index 685ce34d9..8a11cff65 100644
--- a/proxmox-file-restore/src/main.rs
+++ b/proxmox-file-restore/src/main.rs
@@ -34,7 +34,7 @@ use pbs_client::{BackupReader, BackupRepository, RemoteChunkReader};
use pbs_datastore::catalog::{ArchiveEntry, CatalogReader, DirEntryAttribute};
use pbs_datastore::dynamic_index::{BufferedDynamicReader, LocalDynamicReadAt};
use pbs_datastore::index::IndexFile;
-use pbs_datastore::CATALOG_NAME;
+use pbs_datastore::{BackupManifest, CATALOG_NAME};
use pbs_key_config::decrypt_key;
use pbs_tools::crypt_config::CryptConfig;
@@ -335,6 +335,31 @@ async fn list(
Ok(())
}
+async fn get_local_pxar_reader(
+ archive_name: &str,
+ client: Arc<BackupReader>,
+ manifest: &BackupManifest,
+ crypt_config: Option<Arc<CryptConfig>>,
+) -> Result<(LocalDynamicReadAt<RemoteChunkReader>, u64), Error> {
+ let index = client
+ .download_dynamic_index(&manifest, &archive_name)
+ .await?;
+ let most_used = index.find_most_used_chunks(8);
+
+ let file_info = manifest.lookup_file_info(&archive_name)?;
+ let chunk_reader = RemoteChunkReader::new(
+ client.clone(),
+ crypt_config,
+ file_info.chunk_crypt_mode(),
+ most_used,
+ );
+
+ let reader = BufferedDynamicReader::new(index, chunk_reader);
+ let archive_size = reader.archive_size();
+
+ Ok((LocalDynamicReadAt::new(reader), archive_size))
+}
+
#[api(
input: {
properties: {
@@ -452,21 +477,8 @@ async fn extract(
match path {
ExtractPath::Pxar(archive_name, path) => {
- let file_info = manifest.lookup_file_info(&archive_name)?;
- let index = client
- .download_dynamic_index(&manifest, &archive_name)
- .await?;
- let most_used = index.find_most_used_chunks(8);
- let chunk_reader = RemoteChunkReader::new(
- client.clone(),
- crypt_config,
- file_info.chunk_crypt_mode(),
- most_used,
- );
- let reader = BufferedDynamicReader::new(index, chunk_reader);
-
- let archive_size = reader.archive_size();
- let reader = LocalDynamicReadAt::new(reader);
+ let (reader, archive_size) =
+ get_local_pxar_reader(&archive_name, client, &manifest, crypt_config).await?;
let decoder = Accessor::new(reader, archive_size, None).await?;
extract_to_target(decoder, &path, target, format, zstd).await?;
}
--
2.39.2
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