public void when_checkpoint_is_on_boundary_of_new_chunk_and_last_chunk_is_truncated_no_exception_is_thrown()
{
var config = TFChunkHelper.CreateSizedDbConfig(PathName, 300, chunkSize: 100);
using (var db = new TFChunkDb(config)) {
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateMultiChunk(config, 1, 2, GetFilePathFor("chunk-000001.000001"), physicalSize: 50,
logicalSize: 150);
Assert.DoesNotThrow(() => db.Open(verifyHash: false));
Assert.IsNotNull(db.Manager.GetChunk(2));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000000.000000")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000001.000001")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000003.000000")));
Assert.AreEqual(3, Directory.GetFiles(PathName, "*").Length);
}
}
public void when_in_first_extraneous_files_throws_corrupt_database_exception()
{
var config = new TFChunkDbConfig(PathName,
new PrefixFileNamingStrategy(PathName, "prefix.tf"),
10000,
0,
new InMemoryCheckpoint(9000),
new InMemoryCheckpoint(),
new ICheckpoint[0]);
var db = new TFChunkDb(config);
CreateChunk(Path.Combine(PathName, config.FileNamingStrategy.GetFilenameFor(0)), config.ChunkSize, config.ChunkSize);
CreateChunk(Path.Combine(PathName, config.FileNamingStrategy.GetFilenameFor(1)), config.ChunkSize, config.ChunkSize);
var ex = Assert.Throws <CorruptDatabaseException>(() => db.OpenVerifyAndClean(verifyHash: false));
Assert.IsInstanceOf <ExtraneousFileFoundException>(ex.InnerException);
db.Dispose();
}
public void allows_next_new_chunk_when_checksum_is_exactly_in_between_two_chunks()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(10000),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateOngoingChunk(config, 1, GetFilePathFor("chunk-000001.000000"));
Assert.DoesNotThrow(() => db.Open(verifyHash: false));
}
}
public void with_wrong_size_file_less_than_checksum_throws()
{
var config = new TFChunkDbConfig(PathName,
new PrefixFileNamingStrategy(PathName, "prefix.tf"),
10000,
0,
new InMemoryCheckpoint(15000),
new InMemoryCheckpoint(),
new ICheckpoint[0]);
var db = new TFChunkDb(config);
CreateChunk(Path.Combine(PathName, config.FileNamingStrategy.GetFilenameFor(0)), config.ChunkSize, config.ChunkSize);
CreateChunk(Path.Combine(PathName, config.FileNamingStrategy.GetFilenameFor(1)), config.ChunkSize - 1000, config.ChunkSize);
var ex = Assert.Throws <CorruptDatabaseException>(() => db.OpenVerifyAndClean(verifyHash: false));
Assert.IsInstanceOf <BadChunkInDatabaseException>(ex.InnerException);
db.Dispose();
}
public void when_checkpoint_is_exactly_on_the_boundary_of_chunk_the_last_chunk_could_be_present()
{
var config = TFChunkHelper.CreateSizedDbConfig(PathName, 200, chunkSize: 100);
using (var db = new TFChunkDb(config)) {
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateSingleChunk(config, 1, GetFilePathFor("chunk-000001.000001"));
DbUtil.CreateOngoingChunk(config, 2, GetFilePathFor("chunk-000002.000000"));
Assert.DoesNotThrow(() => db.Open(verifyHash: false));
Assert.IsNotNull(db.Manager.GetChunk(2));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000000.000000")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000001.000001")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000002.000000")));
Assert.AreEqual(3, Directory.GetFiles(PathName, "*").Length);
}
}
when_checkpoint_is_on_boundary_of_new_chunk_last_chunk_is_preserved_and_excessive_versions_are_removed_if_present()
{
var config = TFChunkHelper.CreateSizedDbConfig(PathName, 200, chunkSize: 100);
using (var db = new TFChunkDb(config)) {
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateSingleChunk(config, 1, GetFilePathFor("chunk-000001.000001"));
DbUtil.CreateSingleChunk(config, 2, GetFilePathFor("chunk-000002.000000"));
DbUtil.CreateOngoingChunk(config, 2, GetFilePathFor("chunk-000002.000001"));
Assert.DoesNotThrow(() => db.Open(verifyHash: false));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000000.000000")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000001.000001")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000002.000001")));
Assert.AreEqual(3, Directory.GetFiles(PathName, "*").Length);
}
}
public void when_an_epoch_checksum_is_ahead_of_writer_checksum_throws_corrupt_database_exception()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(0),
new InMemoryCheckpoint(0),
new InMemoryCheckpoint(11),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <ReaderCheckpointHigherThanWriterException>());
}
}
public override void TestFixtureSetUp()
{
base.TestFixtureSetUp();
_db = new TFChunkDb(
TFChunkHelper.CreateDbConfig(PathName, 0, chunkSize: 4096));
_db.Open();
var chunk = _db.Manager.GetChunk(0);
_records = new LogRecord[RecordsCount];
_results = new RecordWriteResult[RecordsCount];
for (int i = 0; i < _records.Length - 1; ++i)
{
_records[i] = LogRecord.SingleWrite(
i == 0 ? 0 : _results[i - 1].NewPosition,
Guid.NewGuid(),
Guid.NewGuid(),
"es1",
ExpectedVersion.Any,
"et1",
new byte[] { 0, 1, 2 },
new byte[] { 5, 7 });
_results[i] = chunk.TryAppend(_records[i]);
}
_records[_records.Length - 1] = LogRecord.Prepare(
_results[_records.Length - 1 - 1].NewPosition,
Guid.NewGuid(),
Guid.NewGuid(),
_results[_records.Length - 1 - 1].NewPosition,
0,
"es1",
ExpectedVersion.Any,
PrepareFlags.Data,
"et1",
new byte[] { 0, 1, 2 },
new byte[] { 5, 7 });
_results[_records.Length - 1] = chunk.TryAppend(_records[_records.Length - 1]);
chunk.Flush();
_db.Config.WriterCheckpoint.Write(_results[RecordsCount - 1].NewPosition);
_db.Config.WriterCheckpoint.Flush();
}
public ProjectionWorkerNode(
Guid workerId,
TFChunkDb db,
IQueuedHandler inputQueue,
ITimeProvider timeProvider,
ISingletonTimeoutScheduler timeoutScheduler,
ProjectionType runProjections,
bool faultOutOfOrderProjections,
IPublisher leaderOutputBus,
ProjectionsStandardComponents configuration)
{
_runProjections = runProjections;
Ensure.NotNull(db, "db");
_coreOutput = new InMemoryBus("Core Output");
_leaderOutputBus = leaderOutputBus;
IPublisher publisher = CoreOutput;
_subscriptionDispatcher = new ReaderSubscriptionDispatcher(publisher);
_ioDispatcher = new IODispatcher(publisher, new PublishEnvelope(inputQueue), true);
_eventReaderCoreService = new EventReaderCoreService(
publisher,
_ioDispatcher,
10,
db.Config.WriterCheckpoint,
runHeadingReader: runProjections >= ProjectionType.System,
faultOutOfOrderProjections: faultOutOfOrderProjections);
_feedReaderService = new FeedReaderService(_subscriptionDispatcher, timeProvider);
if (runProjections >= ProjectionType.System)
{
_projectionCoreService = new ProjectionCoreService(
workerId,
inputQueue,
publisher,
_subscriptionDispatcher,
timeProvider,
_ioDispatcher,
timeoutScheduler,
configuration);
}
}
public void a_record_can_be_written()
{
_checkpoint = new InMemoryCheckpoint(0);
var db = new TFChunkDb(new TFChunkDbConfig(PathName,
new PrefixFileNamingStrategy(PathName, "prefix.tf"),
1000,
0,
_checkpoint,
new InMemoryCheckpoint(),
new ICheckpoint[0]));
db.OpenVerifyAndClean();
var tf = new TFChunkWriter(db);
tf.Open();
var record = new PrepareLogRecord(logPosition: 0,
correlationId: _correlationId,
eventId: _eventId,
transactionPosition: 0,
transactionOffset: 0,
eventStreamId: "WorldEnding",
expectedVersion: 1234,
timeStamp: new DateTime(2012, 12, 21),
flags: PrepareFlags.None,
eventType: "type",
data: new byte[] { 1, 2, 3, 4, 5 },
metadata: new byte[] { 7, 17 });
long tmp;
tf.Write(record, out tmp);
tf.Close();
db.Dispose();
Assert.AreEqual(record.GetSizeWithLengthPrefixAndSuffix(), _checkpoint.Read());
using (var filestream = File.Open(Path.Combine(PathName, "prefix.tf0"), FileMode.Open, FileAccess.Read))
{
filestream.Position = ChunkHeader.Size;
var reader = new BinaryReader(filestream);
reader.ReadInt32();
var read = LogRecord.ReadFrom(reader);
Assert.AreEqual(record, read);
}
}
public void a_record_can_be_written()
{
_checkpoint = new InMemoryCheckpoint(0);
var db = new TFChunkDb(TFChunkHelper.CreateDbConfig(PathName, _checkpoint, new InMemoryCheckpoint()));
db.Open();
var tf = new TFChunkWriter(db);
tf.Open();
var recordFactory = LogFormatHelper <TLogFormat, TStreamId> .RecordFactory;
var streamId = LogFormatHelper <TLogFormat, TStreamId> .StreamId;
var eventTypeId = LogFormatHelper <TLogFormat, TStreamId> .EventTypeId;
var record = LogRecord.Prepare(
factory: recordFactory,
logPosition: 0,
correlationId: _correlationId,
eventId: _eventId,
transactionPos: 0,
transactionOffset: 0,
eventStreamId: streamId,
expectedVersion: 1234,
timeStamp: new DateTime(2012, 12, 21),
flags: PrepareFlags.None,
eventType: eventTypeId,
data: new byte[] { 1, 2, 3, 4, 5 },
metadata: new byte[] { 7, 17 });
long tmp;
tf.Write(record, out tmp);
tf.Close();
db.Dispose();
Assert.AreEqual(record.GetSizeWithLengthPrefixAndSuffix(), _checkpoint.Read());
using (var filestream = File.Open(GetFilePathFor("chunk-000000.000000"), FileMode.Open, FileAccess.Read)) {
filestream.Position = ChunkHeader.Size;
var reader = new BinaryReader(filestream);
reader.ReadInt32();
var read = LogRecord.ReadFrom(reader, (int)reader.BaseStream.Length);
Assert.AreEqual(record, read);
}
}
public StandardComponents(
TFChunkDb db,
IQueuedHandler mainQueue,
ISubscriber mainBus,
TimerService timerService,
ITimeProvider timeProvider,
IHttpForwarder httpForwarder,
HttpService[] httpServices,
IPublisher networkSendService)
{
_db = db;
_mainQueue = mainQueue;
_mainBus = mainBus;
_timerService = timerService;
_timeProvider = timeProvider;
_httpForwarder = httpForwarder;
_httpServices = httpServices;
_networkSendService = networkSendService;
}
public void with_file_of_wrong_size_database_corruption_is_detected()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(500),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
File.WriteAllText(GetFilePathFor("chunk-000000.000000"), "this is just some test blahbydy blah");
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <BadChunkInDatabaseException>());
}
}
public void when_in_brand_new_extraneous_files_throws_corrupt_database_exception()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(0),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateSingleChunk(config, 4, GetFilePathFor("chunk-000004.000000"));
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <ExtraneousFileFoundException>());
}
}
public void does_not_allow_first_completed_chunk_when_checkpoint_is_zero()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <BadChunkInDatabaseException>());
}
}
public void with_not_enough_files_to_reach_checksum_throws()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(15000),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <ChunkNotFoundException>());
}
}
public void try_read_returns_false_when_writer_checksum_is_zero()
{
var writerchk = new InMemoryCheckpoint(0);
var db = new TFChunkDb(new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
writerchk,
new InMemoryCheckpoint()));
db.OpenVerifyAndClean();
var reader = new TFChunkSequentialReader(db, writerchk, 0);
LogRecord record;
Assert.IsFalse(reader.TryReadNext(out record));
db.Close();
}
public void with_a_writer_checksum_of_zero_the_first_chunk_is_created_with_correct_name()
{
var config = new TFChunkDbConfig(PathName,
new PrefixFileNamingStrategy(PathName, "prefix.tf"),
10000,
0,
new InMemoryCheckpoint(0),
new ICheckpoint[0]);
var db = new TFChunkDb(config);
db.OpenVerifyAndClean();
db.Dispose();
Assert.AreEqual(1, Directory.GetFiles(PathName).Length);
Assert.IsTrue(File.Exists(Path.Combine(PathName, "prefix.tf0")));
var fileInfo = new FileInfo(Path.Combine(PathName, "prefix.tf0"));
Assert.AreEqual(10000 + ChunkHeader.Size + ChunkFooter.Size, fileInfo.Length);
}
public void try_read_returns_false_when_writer_checkpoint_is_zero()
{
var writerchk = new InMemoryCheckpoint(0);
var chaserchk = new InMemoryCheckpoint();
var db = new TFChunkDb(TFChunkHelper.CreateDbConfig(PathName, writerchk, chaserchk));
db.Open();
var chaser = new TFChunkChaser(db, writerchk, new InMemoryCheckpoint(), false);
chaser.Open();
ILogRecord record;
Assert.IsFalse(chaser.TryReadNext(out record));
chaser.Close();
db.Dispose();
}
public override void TestFixtureSetUp()
{
base.TestFixtureSetUp();
_db = new TFChunkDb(new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
4096,
0,
new InMemoryCheckpoint(),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1)));
_db.Open();
var chunk = _db.Manager.GetChunk(0);
_records = new LogRecord[RecordsCount];
_results = new RecordWriteResult[RecordsCount];
var pos = 0;
for (int i = 0; i < RecordsCount; ++i)
{
if (i > 0 && i % 3 == 0)
{
pos = i / 3 * _db.Config.ChunkSize;
chunk.Complete();
chunk = _db.Manager.AddNewChunk();
}
_records[i] = LogRecord.SingleWrite(pos,
Guid.NewGuid(), Guid.NewGuid(), "es1", ExpectedVersion.Any, "et1",
new byte[1200], new byte[] { 5, 7 });
_results[i] = chunk.TryAppend(_records[i]);
pos += _records[i].GetSizeWithLengthPrefixAndSuffix();
}
chunk.Flush();
_db.Config.WriterCheckpoint.Write((RecordsCount / 3) * _db.Config.ChunkSize + _results[RecordsCount - 1].NewPosition);
_db.Config.WriterCheckpoint.Flush();
}
public void a_record_can_be_written()
{
var filename = GetFilePathFor("chunk-000000.000000");
var chunkHeader = new ChunkHeader(TFChunk.CurrentChunkVersion, 10000, 0, 0, false, chunkId: Guid.NewGuid());
var chunkBytes = chunkHeader.AsByteArray();
var bytes = new byte[ChunkHeader.Size + 10000 + ChunkFooter.Size];
Buffer.BlockCopy(chunkBytes, 0, bytes, 0, chunkBytes.Length);
File.WriteAllBytes(filename, bytes);
_checkpoint = new InMemoryCheckpoint(137);
var db = new TFChunkDb(TFChunkHelper.CreateDbConfig(PathName, _checkpoint, new InMemoryCheckpoint()));
db.Open();
var tf = new TFChunkWriter(db);
var record = new PrepareLogRecord(logPosition: _checkpoint.Read(),
correlationId: _correlationId,
eventId: _eventId,
expectedVersion: 1234,
transactionPosition: 0,
transactionOffset: 0,
eventStreamId: "WorldEnding",
timeStamp: new DateTime(2012, 12, 21),
flags: PrepareFlags.None,
eventType: "type",
data: new byte[] { 1, 2, 3, 4, 5 },
metadata: new byte[] { 7, 17 });
long tmp;
tf.Write(record, out tmp);
tf.Close();
db.Dispose();
Assert.AreEqual(record.GetSizeWithLengthPrefixAndSuffix() + 137,
_checkpoint.Read()); //137 is fluff assigned to beginning of checkpoint
using (var filestream = File.Open(filename, FileMode.Open, FileAccess.Read)) {
filestream.Seek(ChunkHeader.Size + 137 + sizeof(int), SeekOrigin.Begin);
var reader = new BinaryReader(filestream);
var read = LogRecord.ReadFrom(reader);
Assert.AreEqual(record, read);
}
}
public void temporary_files_are_removed()
{
var config = TFChunkHelper.CreateDbConfig(PathName, 150, chunkSize: 100);
using (var db = new TFChunkDb(config)) {
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateOngoingChunk(config, 1, GetFilePathFor("chunk-000001.000001"));
File.Create(GetFilePathFor("bla")).Close();
File.Create(GetFilePathFor("bla.scavenge.tmp")).Close();
File.Create(GetFilePathFor("bla.tmp")).Close();
Assert.DoesNotThrow(() => db.Open(verifyHash: false));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000000.000000")));
Assert.IsTrue(File.Exists(GetFilePathFor("chunk-000001.000001")));
Assert.IsTrue(File.Exists(GetFilePathFor("bla")));
Assert.AreEqual(3, Directory.GetFiles(PathName, "*").Length);
}
}
public void when_checkpoint_is_on_boundary_of_new_chunk_and_last_chunk_is_truncated_but_not_completed_exception_is_thrown()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
100,
0,
new InMemoryCheckpoint(200),
new InMemoryCheckpoint(),
new ICheckpoint[0]);
var db = new TFChunkDb(config);
CreateChunk(Path.Combine(PathName, "chunk-000000.000000"), config.ChunkSize, config.ChunkSize);
CreateOngoingChunk(Path.Combine(PathName, "chunk-000001.000001"), config.ChunkSize - 10, config.ChunkSize);
var ex = Assert.Throws <CorruptDatabaseException>(() => db.OpenVerifyAndClean(verifyHash: false));
Assert.IsInstanceOf <BadChunkInDatabaseException>(ex.InnerException);
db.Dispose();
}
public StorageScavenger(TFChunkDb db, IODispatcher ioDispatcher, ITableIndex tableIndex, IHasher hasher,
IReadIndex readIndex, bool alwaysKeepScavenged, string nodeEndpoint, bool mergeChunks, int scavengeHistoryMaxAge)
{
Ensure.NotNull(db, "db");
Ensure.NotNull(ioDispatcher, "ioDispatcher");
Ensure.NotNull(tableIndex, "tableIndex");
Ensure.NotNull(hasher, "hasher");
Ensure.NotNull(readIndex, "readIndex");
Ensure.NotNull(nodeEndpoint, "nodeEndpoint");
_db = db;
_ioDispatcher = ioDispatcher;
_tableIndex = tableIndex;
_hasher = hasher;
_readIndex = readIndex;
_alwaysKeepScavenged = alwaysKeepScavenged;
_mergeChunks = mergeChunks;
_nodeEndpoint = nodeEndpoint;
_scavengeHistoryMaxAge = scavengeHistoryMaxAge;
}
public void with_wrong_size_file_less_than_checksum_throws()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(15000),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateSingleChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateSingleChunk(config, 1, GetFilePathFor("chunk-000001.000000"), actualDataSize: config.ChunkSize - 1000);
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <BadChunkInDatabaseException>());
}
}
public void does_not_allow_pre_last_chunk_to_be_not_completed_when_checksum_is_exactly_in_between_two_chunks_and_next_chunk_exists()
{
var config = new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
new InMemoryCheckpoint(10000),
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1));
using (var db = new TFChunkDb(config))
{
DbUtil.CreateOngoingChunk(config, 0, GetFilePathFor("chunk-000000.000000"));
DbUtil.CreateOngoingChunk(config, 1, GetFilePathFor("chunk-000001.000000"));
Assert.That(() => db.Open(verifyHash: false),
Throws.Exception.InstanceOf <CorruptDatabaseException>()
.With.InnerException.InstanceOf <BadChunkInDatabaseException>());
}
}
protected override void Create(SingleNodeOptions options)
{
var dbPath = ResolveDbPath(options.DbPath, options.HttpPort);
var db = new TFChunkDb(CreateDbConfig(dbPath, options.ChunksToCache));
var vnodeSettings = GetVNodeSettings(options);
var appSettings = new SingleVNodeAppSettings(TimeSpan.FromSeconds(options.StatsPeriodSec));
var dbVerifyHashes = !options.DoNotVerifyDbHashesOnStartup;
_node = new SingleVNode(db, vnodeSettings, appSettings, dbVerifyHashes);
if (!options.NoProjections)
{
_projections = new Projections.Core.Projections(db,
_node.MainQueue,
_node.Bus,
_node.TimerService,
_node.HttpService,
options.ProjectionThreads);
}
}
public override async Task TestFixtureSetUp()
{
await base.TestFixtureSetUp();
_mainBus = new InMemoryBus(nameof(when_starting_having_TFLog_with_existing_epochs <TLogFormat, TStreamId>));
_mainBus.Subscribe(new AdHocHandler <SystemMessage.EpochWritten>(m => _published.Add(m)));
_db = new TFChunkDb(TFChunkHelper.CreateDbConfig(PathName, 0));
_db.Open();
_reader = new TFChunkReader(_db, _db.Config.WriterCheckpoint);
_writer = new TFChunkWriter(_db);
_epochs = new List <EpochRecord>();
var lastPos = 0L;
for (int i = 0; i < 30; i++)
{
var epoch = WriteEpoch(GetNextEpoch(), lastPos, _instanceId);
_epochs.Add(epoch);
lastPos = epoch.EpochPosition;
}
}
public ClusterStorageWriterService(IPublisher bus,
ISubscriber subscribeToBus,
TimeSpan minFlushDelay,
TFChunkDb db,
TFChunkWriter writer,
IIndexWriter indexWriter,
IEpochManager epochManager,
Func <long> getLastCommitPosition)
: base(bus, subscribeToBus, minFlushDelay, db, writer, indexWriter, epochManager)
{
Ensure.NotNull(getLastCommitPosition, "getLastCommitPosition");
_getLastCommitPosition = getLastCommitPosition;
_framer = new LengthPrefixSuffixFramer(OnLogRecordUnframed, TFConsts.MaxLogRecordSize);
SubscribeToMessage <ReplicationMessage.ReplicaSubscribed>();
SubscribeToMessage <ReplicationMessage.CreateChunk>();
SubscribeToMessage <ReplicationMessage.RawChunkBulk>();
SubscribeToMessage <ReplicationMessage.DataChunkBulk>();
}
public void try_read_returns_false_when_writer_checksum_is_zero()
{
var writerchk = new InMemoryCheckpoint(0);
var db = new TFChunkDb(new TFChunkDbConfig(PathName,
new VersionedPatternFileNamingStrategy(PathName, "chunk-"),
10000,
0,
writerchk,
new InMemoryCheckpoint(),
new InMemoryCheckpoint(-1),
new InMemoryCheckpoint(-1)));
db.Open();
var reader = new TFChunkReader(db, writerchk, 0);
Assert.IsFalse(reader.TryReadNext().Success);
db.Close();
}