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Perform erasure recovery when repaired data shreds are received (#7463) 

automerge
This commit is contained in:
Pankaj Garg 2019-12-12 17:50:28 -08:00 committed by Grimes
parent 49396a69bf
commit 75d1aa5135
1 changed files with 15 additions and 1 deletions
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16
ledger/src/blocktree.rs
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@ -527,6 +527,7 @@ impl Blocktree {
if shred.is_data() {
if self.check_insert_data_shred(
shred,
&mut erasure_metas,
&mut index_working_set,
&mut slot_meta_working_set,
&mut write_batch,
@ -569,6 +570,7 @@ impl Blocktree {
if shred.verify(&leader) {
self.check_insert_data_shred(
shred,
&mut erasure_metas,
&mut index_working_set,
&mut slot_meta_working_set,
&mut write_batch,
@ -739,6 +741,7 @@ impl Blocktree {
fn check_insert_data_shred(
&self,
shred: Shred,
erasure_metas: &mut HashMap<(u64, u64), ErasureMeta>,
index_working_set: &mut HashMap<u64, IndexMetaWorkingSetEntry>,
slot_meta_working_set: &mut HashMap<u64, SlotMetaWorkingSetEntry>,
write_batch: &mut WriteBatch,
@ -766,12 +769,22 @@ impl Blocktree {
&self.last_root,
)
{
let set_index = u64::from(shred.common_header.fec_set_index);
if let Ok(()) =
self.insert_data_shred(slot_meta, index_meta.data_mut(), &shred, write_batch)
{
just_inserted_data_shreds.insert((slot, shred_index), shred);
index_meta_working_set_entry.did_insert_occur = true;
slot_meta_entry.did_insert_occur = true;
if !erasure_metas.contains_key(&(slot, set_index)) {
if let Some(meta) = self
.erasure_meta_cf
.get((slot, set_index))
.expect("Expect database get to succeed")
{
erasure_metas.insert((slot, set_index), meta);
}
}
true
} else {
false
@ -793,7 +806,7 @@ impl Blocktree {
return false;
}
let set_index = shred_index - u32::from(shred.coding_header.position);
let set_index = shred.common_header.fec_set_index;
!(shred.coding_header.num_coding_shreds == 0
|| shred.coding_header.position >= shred.coding_header.num_coding_shreds
|| std::u32::MAX - set_index < u32::from(shred.coding_header.num_coding_shreds) - 1
@ -3851,6 +3864,7 @@ pub mod tests {
DataShredHeader::default(),
coding.clone(),
);
coding_shred.common_header.fec_set_index = std::u32::MAX - 1;
coding_shred.coding_header.num_coding_shreds = 3;
coding_shred.common_header.index = std::u32::MAX - 1;
coding_shred.coding_header.position = 0;