Rename badBlocks, check failures in rocksdb iterator

src/main/java/it/cavallium/dbengine/database/LLDictionary.java

@@ -64,7 +64,7 @@ public interface LLDictionary extends LLKeyValueDatabaseStructure {
 			int prefixLength,
 			boolean smallRange);
 
-	Stream<VerificationProgress> badBlocks(LLRange range);
+	Stream<VerificationProgress> verifyChecksum(LLRange range);
 
 	void setRange(LLRange range, Stream<LLEntry> entries, boolean smallRange);
 

src/main/java/it/cavallium/dbengine/database/collections/DatabaseMapDictionaryDeep.java

@@ -269,8 +269,8 @@ public class DatabaseMapDictionaryDeep<T, U, US extends DatabaseStage<U>> implem
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
-		return dictionary.badBlocks(range);
+	public Stream<VerificationProgress> verifyChecksum() {
+		return dictionary.verifyChecksum(range);
 	}
 
 	@Override

src/main/java/it/cavallium/dbengine/database/collections/DatabaseMapDictionaryHashed.java

@@ -148,8 +148,8 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
-		return this.subDictionary.badBlocks();
+	public Stream<VerificationProgress> verifyChecksum() {
+		return this.subDictionary.verifyChecksum();
 	}
 
 	@Override

src/main/java/it/cavallium/dbengine/database/collections/DatabaseMapSingle.java

@@ -121,8 +121,8 @@ public final class DatabaseMapSingle<U> implements DatabaseStageEntry<U> {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
-		return dictionary.badBlocks(LLRange.single(key));
+	public Stream<VerificationProgress> verifyChecksum() {
+		return dictionary.verifyChecksum(LLRange.single(key));
 	}
 
 }

src/main/java/it/cavallium/dbengine/database/collections/DatabaseSingleBucket.java

@@ -124,8 +124,8 @@ public class DatabaseSingleBucket<K, V, TH> implements DatabaseStageEntry<V> {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
-		return bucketStage.badBlocks();
+	public Stream<VerificationProgress> verifyChecksum() {
+		return bucketStage.verifyChecksum();
 	}
 
 	@Nullable

src/main/java/it/cavallium/dbengine/database/collections/DatabaseSingleMapped.java

@@ -107,8 +107,8 @@ public class DatabaseSingleMapped<A, B> implements DatabaseStageEntry<A> {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
-		return this.serializedSingle.badBlocks();
+	public Stream<VerificationProgress> verifyChecksum() {
+		return this.serializedSingle.verifyChecksum();
 	}
 
 	private A unMap(B bytes) throws SerializationException {

src/main/java/it/cavallium/dbengine/database/collections/DatabaseSingleton.java

@@ -119,7 +119,7 @@ public class DatabaseSingleton<U> implements DatabaseStageEntry<U> {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks() {
+	public Stream<VerificationProgress> verifyChecksum() {
 		return Stream.empty();
 	}
 }

src/main/java/it/cavallium/dbengine/database/collections/DatabaseStage.java

@@ -64,5 +64,5 @@ public interface DatabaseStage<T> extends DatabaseStageWithEntry<T> {
 		return leavesCount(snapshot, false) <= 0;
 	}
 
-	Stream<VerificationProgress> badBlocks();
+	Stream<VerificationProgress> verifyChecksum();
 }

src/main/java/it/cavallium/dbengine/database/disk/LLLocalDictionary.java

@@ -637,7 +637,7 @@ public class LLLocalDictionary implements LLDictionary {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks(LLRange rangeFull) {
+	public Stream<VerificationProgress> verifyChecksum(LLRange rangeFull) {
 		Set<String> brokenFiles = new ConcurrentHashMap<String, Boolean>().keySet(true);
 		LongAdder totalScanned = new LongAdder();
 		AtomicLong totalEstimate = new AtomicLong();

src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java

@@ -438,8 +438,7 @@ public class LLLocalKeyValueDatabase extends Backuppable implements LLKeyValueDa
 						}
 						this.db = RocksDB.openAsSecondary(rocksdbOptions,
 								dbPathString,
-								secondaryPath
-										.toString(),
+								secondaryPath.toString(),
 								descriptors,
 								handles
 						);

src/main/java/it/cavallium/dbengine/database/disk/LLLocalMigrationReactiveRocksIterator.java

@@ -47,7 +47,11 @@ public final class LLLocalMigrationReactiveRocksIterator {
 								if (iterator.isValid()) {
 									var key = iterator.keyBuf().copy();
 									var value = iterator.valueBuf().copy();
-									iterator.next(false);
+									try {
+										iterator.next(false);
+									} catch (RocksDBException e) {
+										throw new CompletionException(e);
+									}
 									return LLEntry.of(key, value);
 								} else {
 									return null;

src/main/java/it/cavallium/dbengine/database/disk/rocksdb/RocksIteratorObj.java

@@ -50,7 +50,6 @@ public class RocksIteratorObj extends SimpleResource {
 
 	public synchronized void seek(byte[] seekArray) throws RocksDBException {
 		ensureOpen();
-		rocksIterator.status();
 		startedIterSeek.increment();
 		try {
 			iterSeekTime.record(() -> rocksIterator.seek(seekArray));
@@ -102,7 +101,6 @@ public class RocksIteratorObj extends SimpleResource {
 	 */
 	public synchronized void seekTo(Buf key) throws RocksDBException {
 		ensureOpen();
-		rocksIterator.status();
 		var keyArray = LLUtils.asArray(key);
 		startedIterSeek.increment();
 		try {
@@ -166,7 +164,7 @@ public class RocksIteratorObj extends SimpleResource {
 		next(true);
 	}
 
-	public synchronized void next(boolean traceStats) {
+	public synchronized void next(boolean traceStats) throws RocksDBException {
 		ensureOpen();
 		if (traceStats) {
 			startedIterNext.increment();
@@ -175,13 +173,14 @@ public class RocksIteratorObj extends SimpleResource {
 		} else {
 			rocksIterator.next();
 		}
+		rocksIterator.status();
 	}
 
 	public void prev() throws RocksDBException {
 		prev(true);
 	}
 
-	public synchronized void prev(boolean traceStats) {
+	public synchronized void prev(boolean traceStats) throws RocksDBException {
 		ensureOpen();
 		if (traceStats) {
 			startedIterNext.increment();
@@ -190,6 +189,7 @@ public class RocksIteratorObj extends SimpleResource {
 		} else {
 			rocksIterator.prev();
 		}
+		rocksIterator.status();
 	}
 
 	@Override

src/main/java/it/cavallium/dbengine/database/memory/LLMemoryDictionary.java

@@ -358,7 +358,7 @@ public class LLMemoryDictionary implements LLDictionary {
 	}
 
 	@Override
-	public Stream<VerificationProgress> badBlocks(LLRange range) {
+	public Stream<VerificationProgress> verifyChecksum(LLRange range) {
 		return Stream.empty();
 	}
 

src/repair/java/it/cavallium/dbengine/repair/Repair.java

@@ -76,7 +76,7 @@ public class Repair {
 				db.getAllColumnFamilyHandles().forEach((column, cfh) -> {
 					System.err.printf("Scanning column: %s%n", column.name());
 					LLLocalDictionary dict = db.getDictionary(column.name().getBytes(StandardCharsets.UTF_8), UpdateMode.DISALLOW);
-					StreamUtils.collectOn(StreamUtils.ROCKSDB_POOL, dict.badBlocks(LLRange.all()), StreamUtils.executing(block -> {
+					StreamUtils.collectOn(StreamUtils.ROCKSDB_POOL, dict.verifyChecksum(LLRange.all()), StreamUtils.executing(block -> {
 						synchronized (Repair.class) {
 							switch (block) {
 								case null -> {}