public LightningLogStore(ILogObjectTypeProvider typeProvider)
{
_typeProvider = typeProvider;
_hashProvider = new LogEntryHashProvider(_typeProvider);
_keyBuilder = new SequenceKeyBuilder();
_sequence = new LogStoreSequenceProvider(this);
}
public OntologyWriter(ILogStore store, ILogObjectTypeProvider typeProvider, ILogEntryHashProvider hashProvider,
IOntologyChangeHandler changeHandler, IOptions <WebServerOptions> options)
{
_store = store;
_typeProvider = typeProvider;
_hashProvider = hashProvider;
_changeHandler = changeHandler;
_options = options;
}
public LogDeserializeContext(BinaryReader br, ILogObjectTypeProvider typeProvider)
{
this.br = br;
this.typeProvider = typeProvider;
Version = br.ReadUInt64();
if (Version > LogSerializeContext.FormatVersion)
{
throw new Exception("Tried to load block with a version that is too new");
}
}
public LogSerializeContext(BinaryWriter bw, ILogObjectTypeProvider typeProvider, ulong version = FormatVersion)
{
this.bw = bw;
this.typeProvider = typeProvider;
if (Version > FormatVersion)
{
throw new Exception("Tried to save block with a version that is too new");
}
Version = version;
bw.Write(Version);
}
public LightningRecordStore(string partitionKey, ISearchIndex index, RecordEvents events,
ILogObjectTypeProvider typeProvider, ILogger <LightningRecordStore> logger = default)
{
_index = index;
_events = events;
_logger = logger;
_typeProvider = typeProvider;
_columnKeyBuilder = new RecordColumnKeyBuilder();
_recordKeyBuilder = new RecordKeyBuilder();
_sequence = new GlobalSequenceProvider(partitionKey);
}
public LightningMediaStore(MediaEvents events, ILogObjectTypeProvider typeProvider)
{
_events = events;
_typeProvider = typeProvider;
_mediaKeyBuilder = new MediaKeyBuilder();
}
internal LogEntryHashProvider(ILogObjectTypeProvider typeProvider, HashAlgorithm algorithm)
{
_typeProvider = typeProvider;
_algorithm = algorithm;
}
public LogEntryHashProvider(ILogObjectTypeProvider typeProvider) : this(typeProvider, SHA256.Create())
{
}
public static void RoundTripCheck(this LogEntry entry, ILogObjectTypeProvider typeProvider, byte[] secretKey)
{
var firstMemoryStream = new MemoryStream();
var firstSerializeContext = new LogSerializeContext(new BinaryWriter(firstMemoryStream), typeProvider);
byte[] nonce;
if (secretKey != null)
{
nonce = SecretStream.Nonce();
firstSerializeContext.bw.WriteVarBuffer(nonce);
using var ems = new MemoryStream();
using var ebw = new BinaryWriter(ems);
var ec = new LogSerializeContext(ebw, typeProvider, firstSerializeContext.Version);
entry.Serialize(ec, false);
firstSerializeContext.bw.WriteVarBuffer(SecretStream.EncryptMessage(ems.ToArray(), nonce, secretKey));
}
else
{
firstSerializeContext.bw.Write(false);
entry.Serialize(firstSerializeContext, false);
}
var originalData = firstMemoryStream.ToArray();
var br = new BinaryReader(new MemoryStream(originalData));
var deserializeContext = new LogDeserializeContext(br, typeProvider);
nonce = deserializeContext.br.ReadVarBuffer();
LogEntry deserialized;
if (nonce != null)
{
using var dms =
new MemoryStream(SecretStream.DecryptMessage(deserializeContext.br.ReadVarBuffer(), nonce,
secretKey));
using var dbr = new BinaryReader(dms);
var dc = new LogDeserializeContext(dbr, typeProvider);
deserialized = new LogEntry(dc);
}
else
{
deserialized = new LogEntry(deserializeContext);
}
var secondMemoryStream = new MemoryCompareStream(originalData);
var secondSerializeContext = new LogSerializeContext(new BinaryWriter(secondMemoryStream), typeProvider);
if (secretKey != null)
{
secondSerializeContext.bw.WriteVarBuffer(nonce);
using var ems = new MemoryStream();
using var ebw = new BinaryWriter(ems);
var ec = new LogSerializeContext(ebw, typeProvider, secondSerializeContext.Version);
deserialized.Serialize(ec, false);
secondSerializeContext.bw.WriteVarBuffer(SecretStream.EncryptMessage(ems.ToArray(), nonce, secretKey));
}
else
{
secondSerializeContext.bw.Write(false);
deserialized.Serialize(secondSerializeContext, false);
}
}
public LightningPageStore(PageEvents events, ILogObjectTypeProvider typeProvider)
{
_events = events;
_typeProvider = typeProvider;
_pageKeyBuilder = new PageKeyBuilder();
}
