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From: Christian Ebner <c.ebner@proxmox.com>
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Date: Mon, 27 May 2024 16:32:24 +0200
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Subject: [pbs-devel] [PATCH v7 pxar 10/69] encoder: add payload position
capability
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Allows to read the current payload offset from the dedicated payload
input stream. This is required to get the current offset for calculation
of forced boundaries in the proxmox-backup-client, when injecting reused
payload chunks into the payload stream.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 6:
- no changes
src/encoder/aio.rs | 5 +++++
src/encoder/mod.rs | 4 ++++
src/encoder/sync.rs | 5 +++++
3 files changed, 14 insertions(+)
diff --git a/src/encoder/aio.rs b/src/encoder/aio.rs
index 23b2bbf..524c281 100644
--- a/src/encoder/aio.rs
+++ b/src/encoder/aio.rs
@@ -75,6 +75,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
})
}
+ /// Get current position for payload stream
+ pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+ self.inner.payload_position()
+ }
+
// /// Convenience shortcut to add a *regular* file by path including its contents to the archive.
// pub async fn add_file<P, F>(
// &mut self,
diff --git a/src/encoder/mod.rs b/src/encoder/mod.rs
index 31933fc..a3a6e9a 100644
--- a/src/encoder/mod.rs
+++ b/src/encoder/mod.rs
@@ -524,6 +524,10 @@ impl<'a, T: SeqWrite + 'a> EncoderImpl<'a, T> {
Ok(offset)
}
+ pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+ Ok(PayloadOffset(self.state()?.payload_position()))
+ }
+
/// Encode a payload reference pointing to given offset in the separate payload output
///
/// Returns a file offset usable with `add_hardlink` or with error if the encoder instance has
diff --git a/src/encoder/sync.rs b/src/encoder/sync.rs
index 62bb5e1..75650e4 100644
--- a/src/encoder/sync.rs
+++ b/src/encoder/sync.rs
@@ -102,6 +102,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
))
}
+ /// Get current payload position for payload stream
+ pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+ self.inner.payload_position()
+ }
+
/// Encode a payload reference pointing to given offset in the separate payload output
///
/// Returns with error if the encoder instance has no separate payload output or encoding
--
2.39.2
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