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datum parsing

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TIBERGHIEN corentin
2026-01-22 03:19:43 +01:00
parent fb2c3310af
commit 26fa7a833f
5 changed files with 96 additions and 92 deletions
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34
client-network/src/datum_parsing.rs
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@@ -11,9 +11,9 @@ pub fn parse_received_datum(
datum_length: usize,
) -> Option<([u8; 32], MerkleNode)> {
let hash_name: [u8; 32] = recevied_datum[..32].try_into().expect("error");
let sigstart = datum_length - 64;
let value = &recevied_datum[32..sigstart];
let value = &recevied_datum[32..datum_length];
let value_slice = value.to_vec();
println!("valueslice: {:?}, {}", value_slice, value_slice.len());
let datum_type = value_slice[0];
match datum_type {
CHUNK => Some((
@@ -21,14 +21,17 @@ pub fn parse_received_datum(
MerkleNode::Chunk(crate::ChunkNode { data: value_slice }),
)),
DIRECTORY => {
let nb_entries = value_slice[1];
let mut dir_entries = Vec::new();
let mut offset = 1 as usize;
for i in 0..nb_entries {
offset = (offset as u8 + 64 * i) as usize;
let name = &recevied_datum[offset..offset + 32];
for i in 0..((value_slice.len() - 1) / 64) as u8 {
offset = (1 + 64 * i as usize) as usize;
println!("offset:{}, i:{}", offset, i);
let name = &value_slice[offset..offset + 32];
let mut hash = [0u8; 32];
hash.copy_from_slice(&recevied_datum[offset + 32..offset + 64]);
hash.copy_from_slice(&value_slice[offset + 32..offset + 64]);
let dp_name = String::from_utf8(name.to_vec()).expect("err");
println!("name:{}", dp_name);
// envoyer un datum request
dir_entries.push(DirectoryEntry {
filename: name.try_into().expect("incorrect size"),
@@ -62,19 +65,18 @@ pub fn parse_received_datum(
);*/
}
BIGDIRECTORY => {
let nb_entries = value_slice[1];
let mut dir_entries = Vec::new();
let mut bigdir_entries: Vec<NodeHash> = Vec::new();
let mut offset = 1 as usize;
for i in 0..nb_entries {
offset = (offset as u8 + 64 * i) as usize;
let name = &recevied_datum[offset..offset + 32];
let mut hash = [0u8; 32];
hash.copy_from_slice(&recevied_datum[offset + 32..offset + 64]);
for i in 0..((value_slice.len() - 1) / 32) as u8 {
offset = (1 + 32 * i as usize) as usize;
println!("offset:{}, i:{}", offset, i);
let hash = &value_slice[offset..offset + 32];
// envoyer un datum request
dir_entries.push(hash);
bigdir_entries.push(hash.try_into().expect("incorrect size"));
}
let current = BigDirectoryNode::new(dir_entries);
let current = BigDirectoryNode::new(bigdir_entries);
match current {
Ok(current_node) => Some((hash_name, MerkleNode::BigDirectory(current_node))),
Err(e) => {