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From: Christian Ebner <c.ebner@proxmox.com>
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Date: Mon, 22 Jul 2024 12:30:30 +0200
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Subject: [pbs-devel] [PATCH v2 proxmox-backup 3/7] client: tools: factor out
pxar entry to dir entry mapping
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Create a dedicated helper for performing the mapping of pxar
`FileEntry`s to `DirEntryAttribute`s.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 1:
- not present in previous version
pbs-client/src/tools/mod.rs | 56 +++++++++++++++++++++++--------------
1 file changed, 35 insertions(+), 21 deletions(-)
diff --git a/pbs-client/src/tools/mod.rs b/pbs-client/src/tools/mod.rs
index e6e548403..97f71f3f1 100644
--- a/pbs-client/src/tools/mod.rs
+++ b/pbs-client/src/tools/mod.rs
@@ -720,27 +720,9 @@ pub async fn pxar_metadata_catalog_lookup<T: Clone + ReadAt>(
while let Some(entry) = entries_iter.next().await {
let entry = entry?.decode_entry().await?;
- let entry_attr = match entry.kind() {
- EntryKind::Version(_) | EntryKind::Prelude(_) | EntryKind::GoodbyeTable => continue,
- EntryKind::Directory => DirEntryAttribute::Directory {
- start: entry.entry_range_info().entry_range.start,
- },
- EntryKind::File { size, .. } => {
- let mtime = match entry.metadata().mtime_as_duration() {
- SignedDuration::Positive(val) => i64::try_from(val.as_secs())?,
- SignedDuration::Negative(val) => -i64::try_from(val.as_secs())?,
- };
- DirEntryAttribute::File { size: *size, mtime }
- }
- EntryKind::Device(_) => match entry.metadata().file_type() {
- mode::IFBLK => DirEntryAttribute::BlockDevice,
- mode::IFCHR => DirEntryAttribute::CharDevice,
- _ => bail!("encountered unknown device type"),
- },
- EntryKind::Symlink(_) => DirEntryAttribute::Symlink,
- EntryKind::Hardlink(_) => DirEntryAttribute::Hardlink,
- EntryKind::Fifo => DirEntryAttribute::Fifo,
- EntryKind::Socket => DirEntryAttribute::Socket,
+ let entry_attr = match map_to_dir_entry_attr(&entry)? {
+ Some(attr) => attr,
+ None => continue,
};
let entry_path = entry_path_with_prefix(&entry, path_prefix.unwrap_or_default());
@@ -792,3 +774,35 @@ fn entry_path_with_prefix<T: Clone + ReadAt>(entry: &FileEntry<T>, path_prefix:
}
entry_path
}
+
+/// Map a pxar [`FileEntry`] to the corresponding [`DirEntryAttribute`].
+///
+/// Returns `Ok(None)` if there is no corresponding variant, `Err` if an unknown device type is
+/// encountered.
+pub(crate) fn map_to_dir_entry_attr<T: Clone + ReadAt>(
+ entry: &FileEntry<T>,
+) -> Result<Option<DirEntryAttribute>, Error> {
+ let attr = match entry.kind() {
+ EntryKind::Version(_) | EntryKind::Prelude(_) | EntryKind::GoodbyeTable => return Ok(None),
+ EntryKind::Directory => DirEntryAttribute::Directory {
+ start: entry.entry_range_info().entry_range.start,
+ },
+ EntryKind::File { size, .. } => {
+ let mtime = match entry.metadata().mtime_as_duration() {
+ SignedDuration::Positive(val) => i64::try_from(val.as_secs())?,
+ SignedDuration::Negative(val) => -i64::try_from(val.as_secs())?,
+ };
+ DirEntryAttribute::File { size: *size, mtime }
+ }
+ EntryKind::Device(_) => match entry.metadata().file_type() {
+ mode::IFBLK => DirEntryAttribute::BlockDevice,
+ mode::IFCHR => DirEntryAttribute::CharDevice,
+ _ => bail!("encountered unknown device type"),
+ },
+ EntryKind::Symlink(_) => DirEntryAttribute::Symlink,
+ EntryKind::Hardlink(_) => DirEntryAttribute::Hardlink,
+ EntryKind::Fifo => DirEntryAttribute::Fifo,
+ EntryKind::Socket => DirEntryAttribute::Socket,
+ };
+ Ok(Some(attr))
+}
--
2.39.2
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