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From: Christian Ebner <c.ebner@proxmox.com>
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Date: Fri, 22 Sep 2023 09:16:14 +0200
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Subject: [pbs-devel] [RFC proxmox-backup 13/20] fix #3174:
archiver/extractor: impl appendix ref
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Implements the functionality to create and extract appendix references
via the pbs client.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
pbs-client/src/pxar/create.rs | 13 +++++++++++++
pbs-client/src/pxar/extract.rs | 16 ++++++++++++++++
pbs-client/src/pxar/tools.rs | 8 ++++++++
3 files changed, 37 insertions(+)
diff --git a/pbs-client/src/pxar/create.rs b/pbs-client/src/pxar/create.rs
index 0f23ed2f..0468abe9 100644
--- a/pbs-client/src/pxar/create.rs
+++ b/pbs-client/src/pxar/create.rs
@@ -734,6 +734,19 @@ impl Archiver {
Ok(out.file_offset())
}
+ async fn add_appendix_ref<T: SeqWrite + Send>(
+ &mut self,
+ encoder: &mut Encoder<'_, T>,
+ file_name: &Path,
+ metadata: &Metadata,
+ appendix_offset: u64,
+ file_size: u64,
+ ) -> Result<(), Error> {
+ Ok(encoder
+ .add_appendix_ref(metadata, file_name, appendix_offset, file_size)
+ .await?)
+ }
+
async fn add_symlink<T: SeqWrite + Send>(
&mut self,
encoder: &mut Encoder<'_, T>,
diff --git a/pbs-client/src/pxar/extract.rs b/pbs-client/src/pxar/extract.rs
index f78e06c2..d2d42749 100644
--- a/pbs-client/src/pxar/extract.rs
+++ b/pbs-client/src/pxar/extract.rs
@@ -74,6 +74,7 @@ struct ExtractorIterState {
err_path_stack: Vec<OsString>,
current_match: bool,
end_reached: bool,
+ appendix_list: Vec<(PathBuf, u64, u64)>,
}
/// An [`Iterator`] that encapsulates the process of extraction in [extract_archive].
@@ -98,6 +99,7 @@ impl ExtractorIterState {
err_path_stack: Vec::new(),
current_match: options.extract_match_default,
end_reached: false,
+ appendix_list: Vec::new(),
}
}
}
@@ -373,6 +375,20 @@ where
}
.context(PxarExtractContext::ExtractFile)
}
+ (
+ true,
+ EntryKind::AppendixRef {
+ appendix_offset,
+ file_size,
+ },
+ ) => {
+ self.state.appendix_list.push((
+ entry.path().to_path_buf(),
+ *appendix_offset,
+ *file_size,
+ ));
+ Ok(())
+ }
(false, _) => Ok(()), // skip this
};
diff --git a/pbs-client/src/pxar/tools.rs b/pbs-client/src/pxar/tools.rs
index 0cfbaf5b..aac5a1e7 100644
--- a/pbs-client/src/pxar/tools.rs
+++ b/pbs-client/src/pxar/tools.rs
@@ -156,6 +156,14 @@ pub fn format_multi_line_entry(entry: &Entry) -> String {
let (size, link, type_name) = match entry.kind() {
EntryKind::File { size, .. } => (format!("{}", *size), String::new(), "file"),
+ EntryKind::AppendixRef {
+ appendix_offset,
+ file_size,
+ } => (
+ format!("{} {}", appendix_offset, file_size),
+ String::new(),
+ "appendix ref",
+ ),
EntryKind::Symlink(link) => (
"0".to_string(),
format!(" -> {:?}", link.as_os_str()),
--
2.39.2