Method append

nodedb/src/control/backup/state.rs:37–44

Returns Err once the cap would be exceeded.

(&mut self, chunk: &[u8])

    /// Returns Err once the cap would be exceeded.
    pub fn append(&mut self, chunk: &[u8]) -> Result<(), u64> {
        let new_total = self.bytes.len() as u64 + chunk.len() as u64;
        if new_total > self.max_bytes {
            return Err(self.max_bytes);
        }
        self.bytes.extend_from_slice(chunk);
        Ok(())
    }
}

/// Connection-keyed map of in-flight restores.