const HEX_CHARS: &'static [u8; 16] = b"0123456789abcdef";
-pub fn u256_to_hex(digest: &[u8; 32]) -> String {
+pub fn u256_to_hex(digest: &[u8]) -> String {
- let mut buf = Vec::<u8>::with_capacity(64);
+ let mut buf = Vec::<u8>::with_capacity(digest.len()*2);
- for i in 0..32 {
+ for i in 0..digest.len() {
buf.push(HEX_CHARS[(digest[i] >> 4) as usize]);
buf.push(HEX_CHARS[(digest[i] & 0xf) as usize]);
}
unsafe { String::from_utf8_unchecked(buf) }
}
-fn u256_to_prefix(digest: &[u8; 32]) -> PathBuf {
+fn u256_to_prefix(digest: &[u8]) -> PathBuf {
let mut buf = Vec::<u8>::with_capacity(3+1+2+1);
})
}
+ pub fn touch_chunk(&mut self, digest:&[u8]) -> Result<(), Error> {
+
+ let mut chunk_path = self.chunk_dir.clone();
+ let prefix = u256_to_prefix(&digest);
+ chunk_path.push(&prefix);
+ let digest_str = u256_to_hex(&digest);
+ chunk_path.push(&digest_str);
+
+ std::fs::metadata(&chunk_path)?;
+ Ok(())
+ }
+
pub fn insert_chunk(&mut self, chunk: &[u8]) -> Result<(bool, [u8; 32]), Error> {
self.hasher.reset();
full_path
}
+ pub fn base_path(&self) -> PathBuf {
+ self.base.clone()
+ }
+
}