public void ScanCheck() {
long totalKeyBytes = 0;
long totalValueBytes = 0;
int totalRecords = 0;
int deletedRecords = 0;
int nullRecords = 0;
int smallRecords = 0;
int largeDescRecords = 0;
int largeChunkRecords = 0;
try {
foreach (var pair in InternalEnumerateFromKey(new byte[0])) {
try {
Key k = pair.Key;
Value v = pair.Value;
totalKeyBytes += k.KeyBytes.Length;
totalValueBytes += v.ValueBytes.Length;
totalRecords += 1;
switch (v.Type) {
case ValueFlag.Null:
nullRecords += 1;
break;
case ValueFlag.Deleted:
deletedRecords += 1;
break;
case ValueFlag.SmallValue:
smallRecords += 1;
break;
case ValueFlag.LargeValueDescriptor:
largeDescRecords += 1;
break;
case ValueFlag.LargeValueChunk:
largeChunkRecords += 1;
break;
default:
throw new ApplicationException("Unknown Value Type");
}
if (v.Type == ValueFlag.LargeValueDescriptor) {
var lookupKey = k;
int valueSize = BitConverter.ToInt32(v.ValueBytes, 0);
int offset = 0;
byte seqNum = 1;
while (offset < valueSize) {
var blockKey = lookupKey.WithSequence(seqNum);
var block = InternalGet(blockKey);
if (block.Type != ValueFlag.LargeValueChunk)
throw new InvalidDataException(string.Format("Corrupted data: block is missing. Block Type: {0} SeqNum: {1}, Block Key: {2}", block.Type, seqNum, blockKey));
offset += block.Length - 1;
seqNum++;
}
if (offset != valueSize) {
throw new InvalidDataException(string.Format("Chunk sizes ({0}) are different from the descriptor size ({1}).", offset, valueSize));
}
}
} catch (Exception ex) {
Console.WriteLine("**Error Reading Record: {0}", ex);
}
}
} catch (Exception ex) {
Console.WriteLine("**Error Enumerating File: {0}", ex);
} finally {
Console.WriteLine(" KeyBytes: {0}, ValueBytes: {1}\n Records: {2} Deleted: {3} Null: {4} Small: {5} LargeDesc: {6} LargeChunk: {7}",
totalKeyBytes, totalValueBytes, totalRecords, deletedRecords, nullRecords, smallRecords, largeDescRecords, largeChunkRecords);
}
}
static void CheckDatabase(string baseDir)
{
Console.WriteLine("Checking Key Value Store '{0}'", baseDir);
RazorCache cache = new RazorCache();
var kv = new KeyValueStore(baseDir, cache);
try {
kv.ScanCheck();
} finally {
kv.Close();
}
}
