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Fixes for erasure coding

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This commit is contained in:
Stephen Akridge
2018-05-31 11:21:07 -07:00
committed by Greg Fitzgerald
parent 377d312c81
commit 33f01efe69
3 changed files with 82 additions and 28 deletions
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22
src/packet.rs
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@@ -271,6 +271,9 @@ pub fn to_blobs<T: Serialize>(
const BLOB_INDEX_END: usize = size_of::<u64>();
const BLOB_ID_END: usize = BLOB_INDEX_END + size_of::<usize>() + size_of::<PublicKey>();
const BLOB_FLAGS_END: usize = BLOB_ID_END + size_of::<u32>();
pub const BLOB_FLAG_IS_CODING: u32 = 0x1;
impl Blob {
pub fn get_index(&self) -> Result<u64> {
@@ -297,14 +300,27 @@ impl Blob {
Ok(())
}
pub fn get_flags(&self) -> Result<u32> {
let mut rdr = io::Cursor::new(&self.data[BLOB_ID_END..BLOB_FLAGS_END]);
let r = rdr.read_u32::<LittleEndian>()?;
Ok(r)
}
pub fn set_flags(&mut self, ix: u32) -> Result<()> {
let mut wtr = vec![];
wtr.write_u32::<LittleEndian>(ix)?;
self.data[BLOB_ID_END..BLOB_FLAGS_END].clone_from_slice(&wtr);
Ok(())
}
pub fn data(&self) -> &[u8] {
&self.data[BLOB_ID_END..]
&self.data[BLOB_FLAGS_END..]
}
pub fn data_mut(&mut self) -> &mut [u8] {
&mut self.data[BLOB_ID_END..]
&mut self.data[BLOB_FLAGS_END..]
}
pub fn set_size(&mut self, size: usize) {
self.meta.size = size + BLOB_ID_END;
self.meta.size = size + BLOB_FLAGS_END;
}
pub fn recv_from(re: &BlobRecycler, socket: &UdpSocket) -> Result<VecDeque<SharedBlob>> {
let mut v = VecDeque::new();