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Additional logging and assert

This commit is contained in:
arkpar 2016-03-04 23:53:57 +01:00
parent 8ed632eb96
commit 2d6738fcde
1 changed files with 27 additions and 18 deletions
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45
util/src/journaldb.rs
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@ -122,29 +122,29 @@ impl JournalDB {
}
/// Drain the overlay and place it into a batch for the DB.
fn batch_overlay_insertions(overlay: &mut MemoryDB, batch: &DBTransaction) -> (usize, usize) {
let mut ret = 0usize;
fn batch_overlay_insertions(overlay: &mut MemoryDB, batch: &DBTransaction) -> usize {
let mut inserts = 0usize;
let mut deletes = 0usize;
for i in overlay.drain().into_iter() {
let (key, (value, rc)) = i;
if rc > 0 {
assert!(rc == 1);
batch.put(&key.bytes(), &value).expect("Low-level database error. Some issue with your hard disk?");
ret += 1;
inserts += 1;
}
if rc < 0 {
assert!(rc == -1);
ret += 1;
deletes += 1;
}
}
(ret, deletes)
trace!("commit: Inserted {}, Deleted {} nodes", inserts, deletes);
inserts + deletes
}
/// Just commit the overlay into the backing DB.
fn commit_without_counters(&mut self) -> Result<u32, UtilError> {
let batch = DBTransaction::new();
let (ret, _) = Self::batch_overlay_insertions(&mut self.overlay, &batch);
let ret = Self::batch_overlay_insertions(&mut self.overlay, &batch);
try!(self.backing.write(batch));
Ok(ret as u32)
}
@ -183,14 +183,23 @@ impl JournalDB {
let mut index = 0usize;
let mut last;
while try!(self.backing.get({
let mut r = RlpStream::new_list(3);
r.append(&now);
r.append(&index);
r.append(&&PADDING[..]);
last = r.drain();
&last
})).is_some() {
while {
let record = try!(self.backing.get({
let mut r = RlpStream::new_list(3);
r.append(&now);
r.append(&index);
r.append(&&PADDING[..]);
last = r.drain();
&last
}));
match record {
Some(r) => {
assert!(&Rlp::new(&r).val_at::<H256>(0) != id);
true
},
None => false,
}
} {
index += 1;
}
@ -236,6 +245,7 @@ impl JournalDB {
trace!("Purging nodes inserted in non-canon: {:?}", inserts);
to_remove.append(&mut inserts);
}
trace!("commit: Delete journal for time #{}.{}: {}, (canon was {}): {} entries", end_era, index, rlp.val_at::<H256>(0), canon_id, to_remove.len());
try!(batch.delete(&last));
index += 1;
}
@ -243,18 +253,17 @@ impl JournalDB {
let canon_inserts = canon_inserts.drain(..).collect::<HashSet<_>>();
// Purge removed keys if they are not referenced and not re-inserted in the canon commit
let mut deletes = 0;
trace!("Purging filtered notes: {:?}", to_remove.iter().filter(|h| !counters.contains_key(h) && !canon_inserts.contains(h)).collect::<Vec<_>>());
for h in to_remove.iter().filter(|h| !counters.contains_key(h) && !canon_inserts.contains(h)) {
try!(batch.delete(&h));
deletes += 1;
}
trace!("commit: Delete journal for time #{}.{}, (canon was {}): {} entries", end_era, index, canon_id, deletes);
trace!("Total nodes purged: {}", deletes);
}
// Commit overlay insertions
let (ret, deletes) = Self::batch_overlay_insertions(&mut self.overlay, &batch);
let ret = Self::batch_overlay_insertions(&mut self.overlay, &batch);
try!(self.backing.write(batch));
trace!("commit: Deleted {} nodes", deletes);
Ok(ret as u32)
}