public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
var wb = new FrameWriter(stream, serializer);
wb.WriteFrameHeader(0x00, streamId, OpCode);
wb.WriteBytes(_token);
return wb.Close();
}
public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
var wb = new FrameWriter(stream, serializer);
wb.WriteFrameHeader(0x00, streamId, OpCode);
wb.WriteStringList(_eventTypes);
return wb.Close();
}
public FrameWriter(MemoryStream stream, Serializer serializer)
{
_stream = stream;
_serializer = serializer;
_offset = stream.Position;
_version = serializer.ProtocolVersion;
}
internal Session(ICluster cluster, Configuration configuration, string keyspace, Serializer serializer)
{
_serializer = serializer;
Cluster = cluster;
Configuration = configuration;
Keyspace = keyspace;
UserDefinedTypes = new UdtMappingDefinitions(this, serializer);
_connectionPool = new ConcurrentDictionary<IPEndPoint, HostConnectionPool>();
}
public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
var wb = new FrameWriter(stream, serializer);
wb.WriteFrameHeader((byte)_headerFlags, streamId, OpCode);
if (Payload != null)
{
wb.WriteBytesMap(Payload);
}
wb.WriteLongString(Query);
return wb.Close();
}
public HostConnectionPool(Host host, HostDistance distance, Configuration config, Serializer serializer)
{
_host = host;
_host.CheckedAsDown += OnHostCheckedAsDown;
_host.Down += OnHostDown;
_host.Up += OnHostUp;
_host.Remove += OnHostRemoved;
_distance = distance;
_config = config;
_serializer = serializer;
_timer = config.Timer;
}
public void Should_Allow_Custom_Udt_Serializers()
{
var typeSerializer = new UdtSerializerWrapper();
var serializer = new Serializer(4, new ITypeSerializer[] { typeSerializer });
var buffer = serializer.Serialize(new object());
CollectionAssert.AreEqual(Encoding.UTF8.GetBytes("DUMMY UDT SERIALIZED"), buffer);
CollectionAssert.AreEqual(buffer, (IEnumerable)serializer.Deserialize(buffer, ColumnTypeCode.Udt, new UdtColumnInfo("ks1.udt1")));
//Check that other serializers are still working
CollectionAssert.AreEqual(new byte[] { 0, 0, 0, 10 }, serializer.Serialize(10));
CollectionAssert.AreEqual(new byte[] { 0x61, 0x62 }, serializer.Serialize("ab"));
Assert.AreEqual(1, typeSerializer.DeserializationCounter);
Assert.AreEqual(1, typeSerializer.SerializationCounter);
}
public void Should_Allow_Custom_Cql_Type_Serializers()
{
var typeSerializer = new DummyCustomTypeSerializer();
var serializer = new Serializer(4, new ITypeSerializer[] { typeSerializer });
var value = new DummyCustomType(new byte[] { 1, 2 });
var buffer = serializer.Serialize(value);
CollectionAssert.AreEqual(new byte[] { 1, 2 }, buffer);
var deserializedValue = serializer.Deserialize(buffer, ColumnTypeCode.Custom, typeSerializer.TypeInfo);
Assert.IsInstanceOf<DummyCustomType>(deserializedValue);
var deserializedCustom = (DummyCustomType)deserializedValue;
CollectionAssert.AreEqual(value.Buffer, deserializedCustom.Buffer);
//Check that other serializers are still working
CollectionAssert.AreEqual(new byte[] { 0, 0, 0, 10 }, serializer.Serialize(10));
CollectionAssert.AreEqual(new byte[] { 0x61 }, serializer.Serialize("a"));
}
public void Should_Allow_Custom_Primitive_Serializers()
{
var serializer = new Serializer(4, new [] {new BigDecimalSerializer()});
var value = new BigDecimal(5, 1);
var buffer = serializer.Serialize(value);
CollectionAssert.AreEqual(new byte[] { 0, 0, 0, 5, 1 }, buffer);
var deserializedValue = serializer.Deserialize(buffer, ColumnTypeCode.Decimal, null);
Assert.IsInstanceOf<BigDecimal>(deserializedValue);
var deserializedDecimal = (BigDecimal) deserializedValue;
Assert.AreEqual("0.00001", deserializedDecimal.ToString());
Assert.AreEqual(value.Scale, deserializedDecimal.Scale);
Assert.AreEqual(value.UnscaledValue, deserializedDecimal.UnscaledValue);
//Check that other serializers are still working
CollectionAssert.AreEqual(new byte[] { 0, 0, 0, 10 }, serializer.Serialize(10));
CollectionAssert.AreEqual(new byte[] { 0x61 }, serializer.Serialize("a"));
}
public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
if (serializer.ProtocolVersion > 1)
{
throw new NotSupportedException("Credentials request is only supported in C* = 1.2.x");
}
var wb = new FrameWriter(stream, serializer);
wb.WriteFrameHeader(0x00, streamId, OpCode);
wb.WriteUInt16((ushort) _credentials.Count);
foreach (var kv in _credentials)
{
wb.WriteString(kv.Key);
wb.WriteString(kv.Value);
}
return wb.Close();
}
public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
var wb = new FrameWriter(stream, serializer);
if (Payload != null)
{
_headerFlags |= FrameHeader.HeaderFlag.CustomPayload;
}
wb.WriteFrameHeader((byte)_headerFlags, streamId, OpCode);
if (Payload != null)
{
//A custom payload for this request
wb.WriteBytesMap(Payload);
}
wb.WriteShortBytes(_id);
_queryOptions.Write(wb, true);
return wb.Close();
}
public Frame(FrameHeader header, Stream body, Serializer serializer)
{
if (header == null)
{
throw new ArgumentNullException("header");
}
if (body == null)
{
throw new ArgumentNullException("body");
}
if (serializer == null)
{
throw new ArgumentNullException("serializer");
}
_header = header;
_body = body;
_serializer = serializer;
}
public int WriteFrame(short streamId, MemoryStream stream, Serializer serializer)
{
//protocol v2: <type><n><query_1>...<query_n><consistency>
//protocol v3: <type><n><query_1>...<query_n><consistency><flags>[<serial_consistency>][<timestamp>]
var protocolVersion = serializer.ProtocolVersion;
var wb = new FrameWriter(stream, serializer);
if (Payload != null)
{
_headerFlags |= FrameHeader.HeaderFlag.CustomPayload;
}
wb.WriteFrameHeader((byte)_headerFlags, streamId, OpCode);
if (Payload != null)
{
//A custom payload for this request
wb.WriteBytesMap(Payload);
}
wb.WriteByte((byte) _type);
wb.WriteInt16((short) _requests.Count);
foreach (var br in _requests)
{
br.WriteToBatch(wb);
}
wb.WriteInt16((short) Consistency);
if (protocolVersion >= 3)
{
wb.WriteByte((byte)_batchFlags);
}
if (_serialConsistency != null)
{
wb.WriteInt16((short)_serialConsistency.Value);
}
if (_timestamp != null)
{
//Expressed in microseconds
wb.WriteLong(TypeSerializer.SinceUnixEpoch(_timestamp.Value).Ticks / 10);
}
return wb.Close();
}
internal ControlConnection(byte initialProtocolVersion, Configuration config, Metadata metadata)
{
_metadata = metadata;
_reconnectionPolicy = config.Policies.ReconnectionPolicy;
_reconnectionSchedule = _reconnectionPolicy.NewSchedule();
_reconnectionTimer = new Timer(_ => Reconnect(), null, Timeout.Infinite, Timeout.Infinite);
_config = config;
_serializer = new Serializer(initialProtocolVersion, config.TypeSerializers);
}
public Connection(Serializer serializer, IPEndPoint endpoint, Configuration configuration)
{
if (serializer == null)
{
throw new ArgumentNullException("serializer");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
if (configuration.BufferPool == null)
{
throw new ArgumentNullException(null, "BufferPool can not be null");
}
_serializer = serializer;
Configuration = configuration;
_tcpSocket = new TcpSocket(endpoint, configuration.SocketOptions, configuration.ProtocolOptions.SslOptions);
_idleTimer = new Timer(IdleTimeoutHandler, null, Timeout.Infinite, Timeout.Infinite);
}
public void PreparedStatement_Bind_SetsRoutingKey_Multiple()
{
const int protocolVersion = 2;
var metadata = new RowSetMetadata(null)
{
Columns = new[]
{
new CqlColumn { Name = "id2" },
new CqlColumn { Name = "id1" }
}
};
var ps = GetPrepared("SELECT * FROM tbl1 WHERE id2 = ? and id1", metadata, protocolVersion);
ps.SetPartitionKeys(new[] { new TableColumn() { Name = "id1" }, new TableColumn() { Name = "id2" } });
//The routing key is formed by the parameters at position 1 and 0
CollectionAssert.AreEqual(new[] { 1, 0 }, ps.RoutingIndexes);
Assert.Null(ps.RoutingKey);
var bound = ps.Bind(2001, 1001);
Assert.NotNull(bound.RoutingKey);
var serializer = new Serializer(protocolVersion);
var expectedRoutingKey = new byte[0]
.Concat(new byte[] {0, 4})
.Concat(serializer.Serialize(1001))
.Concat(new byte[] {0})
.Concat(new byte[] {0, 4})
.Concat(serializer.Serialize(2001))
.Concat(new byte[] {0});
CollectionAssert.AreEqual(expectedRoutingKey, bound.RoutingKey.RawRoutingKey);
}
public void Create_With_Frozen_Udt()
{
string createQuery = null;
var serializer = new Serializer(4);
var sessionMock = GetSessionMock(serializer);
sessionMock
.Setup(s => s.Execute(It.IsAny<string>()))
.Returns(() => new RowSet())
.Callback<string>(q => createQuery = q);
var definition = new Map<UdtAndTuplePoco>()
.PartitionKey(c => c.Id1)
.Column(c => c.Id1, cm => cm.WithName("id"))
.Column(c => c.Udt1, cm => cm.WithName("my_udt").WithDbType<Song>().AsFrozen())
.ExplicitColumns()
.TableName("tbl1");
var udtInfo = new UdtColumnInfo("song");
udtInfo.Fields.Add(new ColumnDesc { Name = "title", TypeCode = ColumnTypeCode.Ascii });
udtInfo.Fields.Add(new ColumnDesc { Name = "releasedate", TypeCode = ColumnTypeCode.Timestamp });
var udtMap = UdtMap.For<Song>();
udtMap.SetSerializer(serializer);
udtMap.Build(udtInfo);
serializer.SetUdtMap("song", udtMap);
var table = GetTable<UdtAndTuplePoco>(sessionMock.Object, definition);
table.Create();
Assert.AreEqual("CREATE TABLE tbl1 (id uuid, my_udt frozen<song>, PRIMARY KEY (id))", createQuery);
}
/// <summary>
/// Initializes once (Thread-safe) the control connection and metadata associated with the Cluster instance
/// </summary>
private void Init()
{
if (_initialized)
{
//It was already initialized
return;
}
lock (_initLock)
{
if (_initialized)
{
//It was initialized when waiting on the lock
return;
}
if (_initException != null)
{
//There was an exception that is not possible to recover from
throw _initException;
}
var protocolVersion = (byte) MaxProtocolVersion;
if (Configuration.ProtocolOptions.MaxProtocolVersion != null &&
Configuration.ProtocolOptions.MaxProtocolVersion < MaxProtocolVersion
)
{
protocolVersion = Configuration.ProtocolOptions.MaxProtocolVersion.Value;
}
//create the buffer pool with 16KB for small buffers and 256Kb for large buffers.
Configuration.BufferPool = new RecyclableMemoryStreamManager(16 * 1024, 256 * 1024, ProtocolOptions.MaximumFrameLength);
_controlConnection = new ControlConnection(protocolVersion, Configuration, _metadata);
_metadata.ControlConnection = _controlConnection;
try
{
_controlConnection.Init();
_serializer = _controlConnection.Serializer;
//Initialize policies
Configuration.Policies.LoadBalancingPolicy.Initialize(this);
Configuration.Policies.SpeculativeExecutionPolicy.Initialize(this);
}
catch (NoHostAvailableException)
{
//No host available now, maybe later it can recover from
throw;
}
catch (Exception ex)
{
//There was an error that the driver is not able to recover from
//Store the exception for the following times
_initException = ex;
//Throw the actual exception for the first time
throw;
}
Configuration.Timer = new HashedWheelTimer();
_logger.Info("Cluster Connected using binary protocol version: [" + _serializer.ProtocolVersion + "]");
_initialized = true;
_metadata.Hosts.Added += OnHostAdded;
_metadata.Hosts.Removed += OnHostRemoved;
}
}
public FrameReader(Stream stream, Serializer serializer)
{
_stream = stream;
_serializer = serializer;
}
internal PreparedStatement(RowSetMetadata metadata, byte[] id, string cql, string keyspace, Serializer serializer)
{
Metadata = metadata;
Id = id;
Cql = cql;
Keyspace = keyspace;
_serializer = serializer;
}
internal BoundStatement(PreparedStatement statement, Serializer serializer) : this(statement)
{
_serializer = serializer;
}
private static Mock<ISession> GetSessionMock(Serializer serializer = null)
{
if (serializer == null)
{
serializer = new Serializer(4);
}
var sessionMock = new Mock<ISession>(MockBehavior.Strict);
var config = new Configuration();
var metadata = new Metadata(config);
var ccMock = new Mock<IMetadataQueryProvider>(MockBehavior.Strict);
ccMock.Setup(cc => cc.Serializer).Returns(serializer);
metadata.ControlConnection = ccMock.Object;
var clusterMock = new Mock<ICluster>();
clusterMock.Setup(c => c.Metadata).Returns(metadata);
sessionMock.Setup(s => s.Cluster).Returns(clusterMock.Object);
return sessionMock;
}
