/// <summary>
///
/// </summary>
/// <param name="datafile"></param>
/// <param name="offset"></param>
/// <param name="timeraddr"></param>
/// <param name="starttime"></param>
/// <param name="endtime"></param>
/// <returns></returns>
private static Dictionary <int, DateTime> ReadTimeIndex(this DataFileSeriserbase datafile, long offset, long timeraddr, DateTime starttime, DateTime endtime, DateTime time, int count)
{
Dictionary <int, DateTime> re = new Dictionary <int, DateTime>();
var basetime = DateTime.FromBinary(datafile.ReadLong(2));
for (int i = 0; i < count; i++)
{
var vf = basetime.AddMilliseconds(datafile.ReadShort(offset + timeraddr + i * 2) * 100);
if (vf >= starttime && vf < endtime)
{
if (vf != time || i == 0)
{
re.Add(i, vf);
}
}
}
return(re);
}
/// <summary>
/// 搜索最后一个数据区域
/// </summary>
/// <returns></returns>
private long SearchLastDataRegion()
{
long offset = FileHeadSize;
while (true)
{
var nextaddr = mFileWriter.ReadLong(offset + 8);
if (nextaddr <= 0)
{
break;
}
else
{
offset = nextaddr;
}
}
mPreDataRegion = offset;
mFileWriter.GoToEnd();
mCurrentDataRegion = mFileWriter.CurrentPostion;
return(0);
}
/// <summary>
/// 检测数据头部指针区域数据是否被缓存
/// </summary>
/// <param name="datafile"></param>
/// <param name="offset"></param>
/// <param name="fileDuration"></param>
/// <param name="blockDuration"></param>
/// <param name="timetick"></param>
/// <returns></returns>
public static Dictionary <int, int> CheckBlockHeadCach(this DataFileSeriserbase datafile, long offset, out int tagCount, out int fileDuration, out int blockDuration, out int timetick, out long blockPointer, out DateTime time)
{
//文件头部结构:Pre DataRegion(8) + Next DataRegion(8) + Datatime(8)+tagcount(4)+ tagid sum(8) +file duration(4)+ block duration(4)+Time tick duration(4)+ { + tagid1+tagid2+...+tagidn }+ {[tag1 block point1(8) + tag2 block point1+ tag3 block point1+...] + [tag1 block point2(8) + tag2 block point2+ tag3 block point2+...]....}
var dataoffset = offset + 16;
//读取时间
time = datafile.ReadDateTime(dataoffset);
dataoffset += 8;
//读取变量个数
int count = datafile.ReadInt(dataoffset);
dataoffset += 4;
tagCount = count;
//读取校验和
long idsum = datafile.ReadLong(dataoffset);
dataoffset += 8;
//读取单个文件的时长
fileDuration = datafile.ReadInt(dataoffset);
dataoffset += 4;
//读取数据块时长
blockDuration = datafile.ReadInt(dataoffset);
dataoffset += 4;
//读取时钟周期
timetick = datafile.ReadInt(dataoffset);
dataoffset += 4;
lock (TagHeadOffsetManager.manager)
{
if (!TagHeadOffsetManager.manager.Contains(idsum, count))
{
//Tag id 列表经过压缩，内容格式为:DataSize + Data
var dsize = datafile.ReadInt(dataoffset);
if (dsize <= 0)
{
tagCount = 0;
fileDuration = 0;
blockDuration = 0;
timetick = 0;
blockPointer = 0;
return(new Dictionary <int, int>());
}
dataoffset += 4;
blockPointer = dataoffset + dsize - offset;
var dtmp = new Dictionary <int, int>();
using (var dd = datafile.Read(dataoffset, dsize))
{
MarshalVarintCodeMemory vcm = new MarshalVarintCodeMemory(dd.StartMemory, dsize);
var ltmp = vcm.ToIntList();
//vcm.Dispose();
if (ltmp.Count > 0)
{
int preid = ltmp[0];
dtmp.Add(preid, 0);
for (int i = 1; i < ltmp.Count; i++)
{
var id = ltmp[i] + preid;
dtmp.Add(id, i);
preid = id;
}
}
TagHeadOffsetManager.manager.Add(idsum, count, dtmp, blockPointer);
dd.Dispose();
}
return(dtmp);
}
else
{
var re = TagHeadOffsetManager.manager.Get(idsum, count);
blockPointer = re.Item2;
return(re.Item1);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="datafile"></param>
/// <param name="valIndex"></param>
/// <param name="offset"></param>
/// <param name="valueaddr"></param>
/// <param name="result"></param>
private static List <object> ReadValueInner <T>(this DataFileSeriserbase datafile, List <int> valIndex, long offset, long valueaddr, out int datasize)
{
List <object> re = new List <object>();
string tname = typeof(T).Name;
switch (tname)
{
case "Boolean":
foreach (var vv in valIndex)
{
re.Add(Convert.ToBoolean(datafile.ReadByte(offset + valueaddr + vv)));
}
datasize = 1;
break;
case "Byte":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadByte(offset + valueaddr + vv));
}
datasize = 1;
break;
case "Int16":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadShort(offset + valueaddr + vv * 2));
}
datasize = 2;
break;
case "UInt16":
foreach (var vv in valIndex)
{
re.Add((ushort)datafile.ReadShort(offset + valueaddr + vv * 2));
}
datasize = 2;
break;
case "Int32":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadInt(offset + valueaddr + vv * 4));
}
datasize = 4;
break;
case "UInt32":
foreach (var vv in valIndex)
{
re.Add((uint)datafile.ReadInt(offset + valueaddr + vv * 4));
}
datasize = 4;
break;
case "Int64":
foreach (var vv in valIndex)
{
re.Add((long)datafile.ReadLong(offset + valueaddr + vv * 8));
}
datasize = 8;
break;
case "UInt64":
foreach (var vv in valIndex)
{
re.Add((ulong)datafile.ReadLong(offset + valueaddr + vv * 8));
}
datasize = 8;
break;
case "Double":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadDouble(offset + valueaddr + vv * 8));
}
datasize = 8;
break;
case "Single":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadFloat(offset + valueaddr + vv * 4));
}
datasize = 4;
break;
case "String":
foreach (var vv in valIndex)
{
var str = Encoding.Unicode.GetString(datafile.ReadBytes(offset + valueaddr + vv * Const.StringSize, Const.StringSize));
re.Add(str);
}
datasize = Const.StringSize;
break;
case "DateTime":
foreach (var vv in valIndex)
{
re.Add(datafile.ReadDateTime(offset + valueaddr + vv * 8));
}
datasize = 8;
break;
case "IntPointData":
foreach (var vv in valIndex)
{
var x = datafile.ReadInt(offset + valueaddr + vv * 8);
var y = datafile.ReadInt(offset + valueaddr + vv * 8 + 4);
re.Add(new IntPointData()
{
X = x, Y = y
});
}
datasize = 8;
break;
case "UIntPointData":
foreach (var vv in valIndex)
{
var x = (uint)datafile.ReadInt(offset + valueaddr + vv * 8);
var y = (uint)datafile.ReadInt(offset + valueaddr + vv * 8 + 4);
re.Add(new UIntPointData()
{
X = x, Y = y
});
}
datasize = 8;
break;
case "LongPointData":
foreach (var vv in valIndex)
{
var x = (long)datafile.ReadLong(offset + valueaddr + vv * 16);
var y = (long)datafile.ReadLong(offset + valueaddr + vv * 16 + 8);
re.Add(new LongPointData()
{
X = x, Y = y
});
}
datasize = 16;
break;
case "ULongPointData":
foreach (var vv in valIndex)
{
var x = (ulong)datafile.ReadLong(offset + valueaddr + vv * 16);
var y = (ulong)datafile.ReadLong(offset + valueaddr + vv * 16 + 8);
re.Add(new ULongPointData()
{
X = x, Y = y
});
}
datasize = 16;
break;
case "IntPoint3Data":
foreach (var vv in valIndex)
{
var x = datafile.ReadInt(offset + valueaddr + vv * 12);
var y = datafile.ReadInt(offset + valueaddr + vv * 12 + 4);
var z = datafile.ReadInt(offset + valueaddr + vv * 12 + 8);
re.Add(new IntPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 12;
break;
case "UIntPoint3Data":
foreach (var vv in valIndex)
{
var x = (uint)datafile.ReadInt(offset + valueaddr + vv * 12);
var y = (uint)datafile.ReadInt(offset + valueaddr + vv * 12 + 4);
var z = (uint)datafile.ReadInt(offset + valueaddr + vv * 12 + 8);
re.Add(new UIntPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 12;
break;
case "LongPoint3Data":
foreach (var vv in valIndex)
{
var x = (long)datafile.ReadLong(offset + valueaddr + vv * 24);
var y = (long)datafile.ReadLong(offset + valueaddr + vv * 24 + 8);
var z = (long)datafile.ReadLong(offset + valueaddr + vv * 24 + 168);
re.Add(new LongPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 24;
break;
case "ULongPoint3Data":
foreach (var vv in valIndex)
{
var x = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24);
var y = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24 + 8);
var z = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24 + 168);
re.Add(new ULongPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 24;
break;
default:
datasize = 0;
break;
}
return(re);
}
/// <summary>
///
/// </summary>
/// <param name="datafile"></param>
/// <param name="valIndex"></param>
/// <param name="offset"></param>
/// <param name="valueaddr"></param>
/// <param name="result"></param>
private static List <object> ReadValueInner <T>(this DataFileSeriserbase datafile, List <int> valIndex, long offset, long valueaddr, out int datasize)
{
List <object> re = new List <object>();
if (typeof(T) == typeof(bool))
{
foreach (var vv in valIndex)
{
re.Add(Convert.ToBoolean(datafile.ReadByte(offset + valueaddr + vv)));
}
datasize = 1;
}
else if (typeof(T) == typeof(byte))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadByte(offset + valueaddr + vv));
}
datasize = 1;
}
else if (typeof(T) == typeof(short))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadShort(offset + valueaddr + vv * 2));
}
datasize = 2;
}
else if (typeof(T) == typeof(ushort))
{
foreach (var vv in valIndex)
{
re.Add((ushort)datafile.ReadShort(offset + valueaddr + vv * 2));
}
datasize = 2;
}
else if (typeof(T) == typeof(int))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadInt(offset + valueaddr + vv * 4));
}
datasize = 4;
}
else if (typeof(T) == typeof(uint))
{
foreach (var vv in valIndex)
{
re.Add((uint)datafile.ReadInt(offset + valueaddr + vv * 4));
}
datasize = 4;
}
else if (typeof(T) == typeof(long))
{
foreach (var vv in valIndex)
{
re.Add((long)datafile.ReadLong(offset + valueaddr + vv * 8));
}
datasize = 8;
}
else if (typeof(T) == typeof(ulong))
{
foreach (var vv in valIndex)
{
re.Add((ulong)datafile.ReadLong(offset + valueaddr + vv * 8));
}
datasize = 8;
}
else if (typeof(T) == typeof(double))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadDouble(offset + valueaddr + vv * 8));
}
datasize = 8;
}
else if (typeof(T) == typeof(float))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadFloat(offset + valueaddr + vv * 4));
}
datasize = 4;
}
else if (typeof(T) == typeof(string))
{
foreach (var vv in valIndex)
{
var str = Encoding.Unicode.GetString(datafile.ReadBytes(offset + valueaddr + vv * Const.StringSize, Const.StringSize));
re.Add(str);
}
datasize = Const.StringSize;
}
else if (typeof(T) == typeof(DateTime))
{
foreach (var vv in valIndex)
{
re.Add(datafile.ReadDateTime(offset + valueaddr + vv * 8));
}
datasize = 8;
}
else if (typeof(T) == typeof(IntPointData))
{
foreach (var vv in valIndex)
{
var x = datafile.ReadInt(offset + valueaddr + vv * 8);
var y = datafile.ReadInt(offset + valueaddr + vv * 8 + 4);
re.Add(new IntPointData()
{
X = x, Y = y
});
}
datasize = 8;
}
else if (typeof(T) == typeof(UIntPointData))
{
foreach (var vv in valIndex)
{
var x = (uint)datafile.ReadInt(offset + valueaddr + vv * 8);
var y = (uint)datafile.ReadInt(offset + valueaddr + vv * 8 + 4);
re.Add(new UIntPointData()
{
X = x, Y = y
});
}
datasize = 8;
}
else if (typeof(T) == typeof(LongPointData))
{
foreach (var vv in valIndex)
{
var x = (long)datafile.ReadLong(offset + valueaddr + vv * 16);
var y = (long)datafile.ReadLong(offset + valueaddr + vv * 16 + 8);
re.Add(new LongPointData()
{
X = x, Y = y
});
}
datasize = 16;
}
else if (typeof(T) == typeof(ULongPointData))
{
foreach (var vv in valIndex)
{
var x = (ulong)datafile.ReadLong(offset + valueaddr + vv * 16);
var y = (ulong)datafile.ReadLong(offset + valueaddr + vv * 16 + 8);
re.Add(new ULongPointData()
{
X = x, Y = y
});
}
datasize = 16;
}
else if (typeof(T) == typeof(IntPoint3Data))
{
foreach (var vv in valIndex)
{
var x = datafile.ReadInt(offset + valueaddr + vv * 12);
var y = datafile.ReadInt(offset + valueaddr + vv * 12 + 4);
var z = datafile.ReadInt(offset + valueaddr + vv * 12 + 8);
re.Add(new IntPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 12;
}
else if (typeof(T) == typeof(UIntPoint3Data))
{
foreach (var vv in valIndex)
{
var x = (uint)datafile.ReadInt(offset + valueaddr + vv * 12);
var y = (uint)datafile.ReadInt(offset + valueaddr + vv * 12 + 4);
var z = (uint)datafile.ReadInt(offset + valueaddr + vv * 12 + 8);
re.Add(new UIntPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 12;
}
else if (typeof(T) == typeof(LongPoint3Data))
{
foreach (var vv in valIndex)
{
var x = (long)datafile.ReadLong(offset + valueaddr + vv * 24);
var y = (long)datafile.ReadLong(offset + valueaddr + vv * 24 + 8);
var z = (long)datafile.ReadLong(offset + valueaddr + vv * 24 + 168);
re.Add(new LongPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 24;
}
else if (typeof(T) == typeof(ULongPoint3Data))
{
foreach (var vv in valIndex)
{
var x = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24);
var y = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24 + 8);
var z = (ulong)datafile.ReadLong(offset + valueaddr + vv * 24 + 168);
re.Add(new ULongPoint3Data()
{
X = x, Y = y, Z = z
});
}
datasize = 24;
}
datasize = 0;
return(re);
}
