public override void Read(BinaryStreamBase stream) { Timestamp = stream.ReadUInt64(); PointID = stream.ReadUInt64(); TableId = stream.ReadInt32(); CollectedTime = stream.ReadUInt64(); }
/// <summary> /// Creates a filter by reading from the stream. /// </summary> /// <param name="stream">the stream to read from</param> public SeekToKey(BinaryStreamBase stream) : this() { m_keyToFind.Timestamp = stream.ReadUInt64(); m_keyToFind.PointID = stream.ReadUInt64(); m_keyToFind.CopyTo(StartOfRange); m_keyToFind.CopyTo(EndOfRange); }
/// <summary> /// Creates a filter by reading from the stream. /// </summary> /// <param name="stream">the stream to read from</param> public FixedRange(BinaryStreamBase stream) : this() { m_start = stream.ReadUInt64(); m_stop = stream.ReadUInt64(); StartOfRange.SetMin(); StartOfRange.Timestamp = m_start; EndOfRange.SetMax(); EndOfRange.Timestamp = m_stop; }
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> /// Creates a filter by reading from the stream. /// </summary> /// <param name="stream">the stream to read from</param> public IntervalRanges(BinaryStreamBase stream) : this() { ulong start = stream.ReadUInt64(); ulong stop = stream.ReadUInt64(); ulong mainInterval = stream.ReadUInt64(); ulong subInterval = stream.ReadUInt64(); ulong tolerance = stream.ReadUInt64(); Initialize(start, stop, mainInterval, subInterval, tolerance); }
public override void Read(BinaryStreamBase stream) { CollectedTime = stream.ReadUInt64(); TableId = stream.ReadInt32(); DataLength = stream.ReadUInt8(); stream.Read(Data, 0, Data.Length); }
/// <summary> /// Creates a new filter backed by a <see cref="BitArray"/>. /// </summary> /// <param name="stream">The the stream to load from.</param> /// <param name="pointCount">the number of points in the stream.</param> /// <param name="maxValue">the maximum value stored in the bit array. Cannot be larger than int.MaxValue-1</param> public ULongHashSet(BinaryStreamBase stream, int pointCount, ulong maxValue) { m_maxValue = maxValue; m_points = new HashSet <ulong>(); while (pointCount > 0) { m_points.Add(stream.ReadUInt64()); pointCount--; } }
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 unsafe override void Decode(BinaryStreamBase stream, HistorianKey prevKey, HistorianValue prevValue, HistorianKey key, HistorianValue value, out bool isEndOfStream) { isEndOfStream = false; uint code = stream.ReadUInt8(); byte b1; byte b2; byte b3; //Compression Stages: // Stage 1: Big Positive Float. // Stage 2: Big Negative Float. // Stage 3: Zero // Stage 4: 32 bit // Stage 5: Catch all if (code < 0x80) { b1 = stream.ReadUInt8(); b2 = stream.ReadUInt8(); b3 = stream.ReadUInt8(); //If stage 1 (50% success) key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID + 1 + ((code >> 4) & 0x7); key.EntryNumber = 0; value.Value1 = (4u << 28) | (code & 0xF) << 24 | (uint)b1 << 16 | (uint)b2 << 8 | (uint)b3 << 0; value.Value2 = 0; value.Value3 = 0; return; } if (code < 0xC0) { b1 = stream.ReadUInt8(); b2 = stream.ReadUInt8(); b3 = stream.ReadUInt8(); //If stage 2 (16% success) key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID + 1 + ((code >> 4) & 0x3); key.EntryNumber = 0; value.Value1 = (12u << 28) | (code & 0xF) << 24 | (uint)b1 << 16 | (uint)b2 << 8 | (uint)b3 << 0; value.Value2 = 0; value.Value3 = 0; return; } if (code < 0xD0) { //If stage 3 (28% success) key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID + 1 + (code & 0xF); key.EntryNumber = 0; value.Value1 = 0; value.Value2 = 0; value.Value3 = 0; return; } if (code < 0xE0) { //If stage 4 (3% success) key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID + 1 + (code & 0xF); key.EntryNumber = 0; value.Value1 = stream.ReadUInt32(); value.Value2 = 0; value.Value3 = 0; return; } //Stage 5: 2% //Stage 5: Catch All if ((code & 16) != 0) //T is set { key.Timestamp = prevKey.Timestamp + stream.Read7BitUInt64(); key.PointID = stream.Read7BitUInt64(); } else { key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID + stream.Read7BitUInt64(); } if ((code & 8) != 0) //E is set) { key.EntryNumber = stream.Read7BitUInt64(); } else { key.EntryNumber = 0; } if ((code & 4) != 0) //V1 is set) { value.Value1 = stream.ReadUInt64(); } else { value.Value1 = stream.ReadUInt32(); } if ((code & 2) != 0) //V2 is set) { value.Value2 = stream.Read7BitUInt64(); } else { value.Value2 = 0; } if ((code & 1) != 0) //V3 is set) { value.Value3 = stream.Read7BitUInt64(); } else { value.Value3 = 0; } }
public override void Read(BinaryStreamBase stream) { Timestamp = stream.ReadUInt64(); PointID = stream.ReadUInt64(); EntryNumber = stream.ReadUInt64(); }
public override void Decode(BinaryStreamBase stream, HistorianKey prevKey, HistorianValue prevValue, HistorianKey key, HistorianValue value, out bool isEndOfStream) { isEndOfStream = false; byte code = stream.ReadUInt8(); if (code == 255) { isEndOfStream = true; return; } if (code < 128) { if (code < 64) { key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID ^ code; key.EntryNumber = 0; value.Value1 = 0; value.Value2 = 0; value.Value3 = 0; } else { key.Timestamp = prevKey.Timestamp; key.PointID = prevKey.PointID ^ code ^ 64; key.EntryNumber = 0; value.Value1 = stream.ReadUInt32(); value.Value2 = 0; value.Value3 = 0; } return; } if ((code & 64) != 0) //T is set { key.Timestamp = prevKey.Timestamp ^ stream.Read7BitUInt64(); } else { key.Timestamp = prevKey.Timestamp; } key.PointID = prevKey.PointID ^ stream.Read7BitUInt64(); if ((code & 32) != 0) //E is set) { key.EntryNumber = stream.Read7BitUInt64(); } else { key.EntryNumber = 0; } if ((code & 16) != 0) //V1 High is set) { value.Value1 = stream.ReadUInt64(); } else if ((code & 8) != 0) //V1 low is set) { value.Value1 = stream.ReadUInt32(); } else { value.Value1 = 0; } if ((code & 4) != 0) //V2 is set) { value.Value2 = stream.ReadUInt64(); } else { value.Value2 = 0; } if ((code & 2) != 0) //V1 High is set) { value.Value3 = stream.ReadUInt64(); } else if ((code & 1) != 0) //V1 low is set) { value.Value3 = stream.ReadUInt32(); } else { value.Value3 = 0; } return; }
public override void Read(BinaryStreamBase stream) { Value1 = stream.ReadUInt64(); Value2 = stream.ReadUInt64(); Value3 = stream.ReadUInt64(); }