public override void Read(BinaryStreamBase stream) { CollectedTime = stream.ReadUInt64(); TableId = stream.ReadInt32(); DataLength = stream.ReadUInt8(); stream.Read(Data, 0, Data.Length); }
/// <summary> /// Loads a <see cref="DatabaseInfo"/> from stream. /// </summary> /// <param name="stream"></param> public DatabaseInfo(BinaryStreamBase stream) { byte version = stream.ReadUInt8(); switch (version) { case 1: DatabaseName = stream.ReadString(); KeyTypeID = stream.ReadGuid(); ValueTypeID = stream.ReadGuid(); int count = stream.ReadInt32(); EncodingDefinition[] definitions = new EncodingDefinition[count]; for (int x = 0; x < count; x++) { definitions[x] = new EncodingDefinition(stream); } SupportedStreamingModes = new ReadOnlyCollection <EncodingDefinition>(definitions); KeyType = Library.GetSortedTreeType(KeyTypeID); ValueType = Library.GetSortedTreeType(ValueTypeID); break; default: throw new VersionNotFoundException("Unknown version code."); } }
public override void Read(BinaryStreamBase stream) { Timestamp = stream.ReadUInt64(); PointID = stream.ReadUInt64(); TableId = stream.ReadInt32(); CollectedTime = stream.ReadUInt64(); }
/// <summary> /// Loads the header. /// </summary> public void LoadHeader(BinaryStreamBase stream) { stream.Position = 0; byte version = stream.ReadUInt8(); if (version == 109) { stream.Position = 0; if (EncodingDefinition.FixedSizeCombinedEncoding != new EncodingDefinition(stream.ReadGuid())) { throw new Exception("Header Corrupt"); } if (TreeNodeType != new EncodingDefinition(stream.ReadGuid())) { throw new Exception("Header Corrupt"); } if (BlockSize != stream.ReadInt32()) { throw new Exception("Header Corrupt"); } if (stream.ReadUInt8() != 0) { throw new Exception("Header Corrupt"); } LastAllocatedBlock = stream.ReadUInt32(); RootNodeIndexAddress = stream.ReadUInt32(); RootNodeLevel = stream.ReadUInt8(); } else if (version == 1) { if (BlockSize != stream.ReadInt32()) { throw new Exception("Header Corrupt"); } if (TreeNodeType != new EncodingDefinition(stream)) { throw new Exception("Header Corrupt"); } LastAllocatedBlock = stream.ReadUInt32(); RootNodeIndexAddress = stream.ReadUInt32(); RootNodeLevel = stream.ReadUInt8(); } else { throw new VersionNotFoundException(); } }
public unsafe override void Decode(BinaryStreamBase stream, AmiKey prevKey, AmiValue prevValue, AmiKey key, AmiValue value, out bool isEndOfStream) { isEndOfStream = false; key.Timestamp = stream.ReadUInt64(); key.PointID = stream.ReadUInt64(); value.CollectedTime = stream.ReadUInt64(); value.TableId = stream.ReadInt32(); value.DataLength = stream.ReadUInt8(); stream.Read(value.Data, 0, value.DataLength); }
/// <summary> /// Reads the header data. /// </summary> /// <param name="stream"></param> /// <param name="treeNodeType"></param> /// <param name="blockSize"></param> internal static void ReadHeader(BinaryStreamBase stream, out EncodingDefinition treeNodeType, out int blockSize) { stream.Position = 0; byte version = stream.ReadUInt8(); if (version == 109) { stream.Position = 0; stream.ReadGuid(); treeNodeType = new EncodingDefinition(stream.ReadGuid()); blockSize = stream.ReadInt32(); } else if (version == 1) { blockSize = stream.ReadInt32(); treeNodeType = new EncodingDefinition(stream); } else { throw new VersionNotFoundException(); } }
private static MatchFilterBase <TKey, TValue> CreateFromStream <TKey, TValue>(BinaryStreamBase stream) where TKey : TimestampPointIDBase <TKey>, new() { MatchFilterBase <TKey, TValue> filter; byte version = stream.ReadUInt8(); ulong maxValue; int count; switch (version) { case 0: return(null); case 1: maxValue = stream.ReadUInt64(); count = stream.ReadInt32(); if (maxValue < 8 * 1024 * 64) //64KB of space, 524288 { filter = new BitArrayFilter <TKey, TValue>(stream, count, maxValue); } else { filter = new UIntHashSet <TKey, TValue>(stream, count, maxValue); } break; case 2: maxValue = stream.ReadUInt64(); count = stream.ReadInt32(); filter = new ULongHashSet <TKey, TValue>(stream, count, maxValue); break; default: throw new VersionNotFoundException("Unknown Version"); } return(filter); }
public override void Read(BinaryStreamBase stream) { Value = stream.ReadInt32(); }