private byte[] serializeForDynamicType(params object[] vals) { var elt = new FrameWriter(new MemoryStream()); foreach (object p in vals) { if (p is int) { elt.WriteUInt16(0x8000 | 'i'); elt.WriteUInt16(4); elt.WriteInt32((int)p); elt.WriteByte(0); } else if (p is String) { elt.WriteUInt16(0x8000 | 's'); elt.WriteString(p as string); elt.WriteByte(0); } else { throw new InvalidOperationException(); } } var ret = new byte[elt.Length]; Buffer.BlockCopy(elt.GetBuffer(), 0, ret, 0, (int)elt.Length); return ret; }
public void WriteToBatch(FrameWriter wb) { wb.WriteByte(1); //prepared query wb.WriteShortBytes(_id); wb.WriteUInt16((ushort)_queryOptions.Values.Length); foreach (var queryParameter in _queryOptions.Values) { wb.WriteAsBytes(queryParameter); } }
protected override void WriteBody(FrameWriter wb) { var protocolVersion = wb.Serializer.ProtocolVersion; wb.WriteByte((byte)_type); wb.WriteUInt16((ushort)_requests.Count); foreach (var br in _requests) { br.WriteToBatch(wb); } wb.WriteUInt16((ushort)Consistency); if (!protocolVersion.SupportsBatchFlags()) { // if the protocol version doesn't support flags, // then it doesn't support the following optional parameters either return; } if (protocolVersion.Uses4BytesQueryFlags()) { wb.WriteInt32((int)_batchFlags); } else { wb.WriteByte((byte)_batchFlags); } // this is optional in the protocol but we always set it wb.WriteUInt16((ushort)SerialConsistency); if (protocolVersion.SupportsTimestamp() && _timestamp != null) { wb.WriteLong(_timestamp.Value); } if (protocolVersion.SupportsKeyspaceInRequest() && _keyspace != null) { wb.WriteString(_keyspace); } }
public void WriteToBatch(byte protocolVersion, FrameWriter wb) { wb.WriteByte(1); //prepared query wb.WriteShortBytes(_id); wb.WriteUInt16((ushort)_queryOptions.Values.Length); for (int i = 0; i < _metadata.Columns.Length; i++) { byte[] bytes = TypeCodec.Encode(protocolVersion, _queryOptions.Values[i]); wb.WriteBytes(bytes); } }
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()); }
public void WriteToBatch(FrameWriter wb) { //not a prepared query wb.WriteByte(0); wb.WriteLongString(_cqlQuery); if (_queryOptions.Values == null || _queryOptions.Values.Length == 0) { // No values wb.WriteUInt16(0); } else { wb.WriteUInt16((ushort)_queryOptions.Values.Length); foreach (var queryParameter in _queryOptions.Values) { wb.WriteAsBytes(queryParameter); } } }
public void WriteToBatch(byte protocolVersion, FrameWriter wb) { //not a prepared query wb.WriteByte(0); wb.WriteLongString(_cqlQuery); if (_queryOptions.Values == null || _queryOptions.Values.Length == 0) { //not values wb.WriteInt16(0); } else { wb.WriteUInt16((ushort)_queryOptions.Values.Length); for (var i = 0; i < _queryOptions.Values.Length; i++) { var bytes = TypeCodec.Encode(protocolVersion, _queryOptions.Values[i]); wb.WriteBytes(bytes); } } }
public void WriteToBatch(byte protocolVersion, FrameWriter wb) { wb.WriteByte(1); //prepared query wb.WriteShortBytes(_id); wb.WriteUInt16((ushort) _queryOptions.Values.Length); for (int i = 0; i < _metadata.Columns.Length; i++) { byte[] bytes = TypeCodec.Encode(protocolVersion, _queryOptions.Values[i]); wb.WriteBytes(bytes); } }
public void WriteToBatch(byte protocolVersion, FrameWriter wb) { //not a prepared query wb.WriteByte(0); wb.WriteLongString(_cqlQuery); if (_queryOptions.Values == null || _queryOptions.Values.Length == 0) { //not values wb.WriteInt16(0); } else { wb.WriteUInt16((ushort) _queryOptions.Values.Length); for (var i = 0; i < _queryOptions.Values.Length; i++) { var bytes = TypeCodec.Encode(protocolVersion, _queryOptions.Values[i]); wb.WriteBytes(bytes); } } }
public int WriteFrame(short streamId, MemoryStream stream) { //protocol v2: <type><n><query_1>...<query_n><consistency> //protocol v3: <type><n><query_1>...<query_n><consistency><flags>[<serial_consistency>][<timestamp>] var wb = new FrameWriter(stream); if (Payload != null) { _headerFlags |= FrameHeader.HeaderFlag.CustomPayload; } wb.WriteFrameHeader((byte)ProtocolVersion, (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((byte)ProtocolVersion, 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(TypeCodec.ToUnixTime(_timestamp.Value).Ticks / 10); } return wb.Close(); }
public void WriteToBatch(FrameWriter wb) { //not a prepared query wb.WriteByte(0); wb.WriteLongString(_cqlQuery); if (_queryOptions.Values == null || _queryOptions.Values.Length == 0) { //not values wb.WriteInt16(0); } else { wb.WriteUInt16((ushort) _queryOptions.Values.Length); foreach (var queryParameter in _queryOptions.Values) { wb.WriteAsBytes(queryParameter); } } }
public void WriteToBatch(FrameWriter wb) { wb.WriteByte(1); //prepared query wb.WriteShortBytes(_id); wb.WriteUInt16((ushort)_queryOptions.Values.Length); foreach (var queryParameter in _queryOptions.Values) { wb.WriteAsBytes(queryParameter); } }
// Test a wide row consisting of a ByteBuffer private static void TestByteRows(ISession session, string tableName) { session.Execute(String.Format("CREATE TABLE {0} (k INT, i {1}, PRIMARY KEY(k,i))", tableName, "BLOB")); // Build small ByteBuffer sample var bw = new FrameWriter(new MemoryStream()); for (int i = 0; i < 56; i++) bw.WriteByte(0); bw.WriteUInt16(0xCAFE); var bb = new byte[58]; Array.Copy(bw.GetBuffer(), bb, 58); // Write data for (int i = 0; i < 1024; ++i) session.Execute(string.Format("INSERT INTO {0}(k,i) values({1},0x{2})", tableName, Key, CqlQueryTools.ToHex(bb)), ConsistencyLevel.Quorum); // Read data var rs = session.Execute("SELECT i FROM " + tableName + " WHERE k = " + Key, ConsistencyLevel.Quorum); // Verify data foreach (var row in rs) Assert.AreEqual((byte[])row["i"], bb); }