/// <summary>
/// Initializes a new instance of the class.
/// </summary>
public DeviceSlice(DateTime timestamp, int tagCount, int dataLength)
{
Timestamp = timestamp;
DeviceTags = new DeviceTag[tagCount];
CnlData = new CnlData[dataLength];
DeviceNum = 0;
ArchiveMask = Data.Models.ArchiveMask.Default;
Descr = "";
DataSentCallback = null;
FailedToSendCallback = null;
}
/// <summary>
/// Gets or sets the data for the device tag at the specified code.
/// </summary>
public CnlData this[string tagCode]
{
get
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetCnlData(deviceTag.Index, 0));
}
set
{
DeviceTag deviceTag = deviceTags[tagCode];
SetCnlData(deviceTag.Index, 0, value);
}
}
/// <summary>
/// Sets the date and time value and status of the tag.
/// </summary>
public void SetDateTime(int tagIndex, DateTime dateTime, int stat)
{
DeviceTag deviceTag = deviceTags[tagIndex];
if (deviceTag.DataType == TagDataType.Int64)
{
SetInt64(tagIndex, dateTime.ToUniversalTime().Ticks, stat);
}
else if (deviceTag.DataType == TagDataType.Double)
{
Set(tagIndex, dateTime.ToUniversalTime().ToOADate(), stat);
}
}
/// <summary>
/// Gets the data for the device tag at the specified index.
/// </summary>
private CnlData GetCnlData(int tagIndex, int offset)
{
if (rawData == null)
{
return(CnlData.Empty);
}
else
{
lock (curDataLock)
{
DeviceTag deviceTag = deviceTags[tagIndex];
return(rawData[deviceTag.DataIndex + offset]);
}
}
}
/// <summary>
/// Sets the data for the device tag at the specified index.
/// </summary>
private void SetCnlData(int tagIndex, int offset, CnlData value)
{
if (rawData != null)
{
lock (curDataLock)
{
DeviceTag deviceTag = deviceTags[tagIndex];
if (rawData[deviceTag.DataIndex + offset] != value)
{
modifiedFlags[tagIndex] = true;
}
rawData[deviceTag.DataIndex + offset] = value;
}
}
}
/// <summary>
/// Gets the date and time value of the tag.
/// </summary>
public DateTime GetDateTime(int tagIndex)
{
CnlData cnlData = this[tagIndex];
if (cnlData.IsDefined)
{
DeviceTag deviceTag = deviceTags[tagIndex];
if (deviceTag.DataType == TagDataType.Int64)
{
return(new DateTime(BitConverter.DoubleToInt64Bits(cnlData.Val), DateTimeKind.Utc));
}
else if (deviceTag.DataType == TagDataType.Double)
{
return(DateTime.FromOADate(cnlData.Val));
}
}
return(DateTime.MinValue);
}
/// <summary>
/// Sets the specified tag to undefined.
/// </summary>
public void Invalidate(int tagIndex)
{
lock (curDataLock)
{
DeviceTag deviceTag = deviceTags[tagIndex];
int idx = deviceTag.DataIndex;
int len = deviceTag.DataLength;
bool modified = false;
for (int i = 0; i < len; i++)
{
if (rawData[idx] != CnlData.Empty)
{
rawData[idx] = CnlData.Empty;
modified = true;
}
idx++;
}
modifiedFlags[tagIndex] = modified;
}
}
/// <summary>
/// Sets the specified tag to undefined.
/// </summary>
public void Invalidate(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
Invalidate(deviceTag.Index);
}
/// <summary>
/// Sets the array of bytes and status starting from the specified tag.
/// </summary>
public void SetByteArray(string tagCode, byte[] vals, int stat)
{
DeviceTag deviceTag = deviceTags[tagCode];
SetByteArray(deviceTag.Index, vals, stat);
}
/// <summary>
/// Gets the Unicode string value of the tag.
/// </summary>
public string GetUnicode(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetUnicode(deviceTag.Index));
}
/// <summary>
/// Gets the ASCII string value of the tag.
/// </summary>
public string GetAscii(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetAscii(deviceTag.Index));
}
/// <summary>
/// Gets the array of bytes.
/// </summary>
public byte[] GetByteArray(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetByteArray(deviceTag.Index));
}
/// <summary>
/// Gets the date and time value of the tag.
/// </summary>
public DateTime GetDateTime(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetDateTime(deviceTag.Index));
}
/// <summary>
/// Converts the current tag data with a numeric data type to a string value.
/// </summary>
private string FormatNumericData(DeviceTag deviceTag, CnlData cnlData)
{
if (cnlData.IsUndefined)
{
return(CommonPhrases.UndefinedSign);
}
const string DefaultFormat = "N3";
try
{
TagFormat tagFormat = deviceTag.Format;
if (tagFormat == null)
{
return(deviceTag.DataType == TagDataType.Int64 ?
BitConverter.DoubleToInt64Bits(cnlData.Val).ToString() :
cnlData.Val.ToString(DefaultFormat));
}
else
{
string FormatEnum(int val)
{
return(tagFormat.EnumValues != null && 0 <= val && val < tagFormat.EnumValues.Length
? tagFormat.EnumValues[val]
: val.ToString());
}
bool FormatIsHex(string format)
{
return(format[0] == 'x' || format[0] == 'X');
}
if (deviceTag.DataType == TagDataType.Int64)
{
long longVal = BitConverter.DoubleToInt64Bits(cnlData.Val);
switch (tagFormat.FormatType)
{
case TagFormatType.Enum:
return(FormatEnum((int)longVal));
case TagFormatType.Date:
DateTime dt = new DateTime(longVal, DateTimeKind.Utc).ToLocalTime();
return(string.IsNullOrEmpty(tagFormat.Format)
? dt.ToLocalizedString()
: dt.ToString(tagFormat.Format));
default:
if (string.IsNullOrEmpty(tagFormat.Format))
{
return(longVal.ToString());
}
else
{
string s = longVal.ToString(tagFormat.Format);
return(FormatIsHex(tagFormat.Format) ? s + 'h' : s);
}
}
}
else
{
double doubleVal = cnlData.Val;
switch (tagFormat.FormatType)
{
case TagFormatType.Enum:
return(FormatEnum((int)doubleVal));
case TagFormatType.Date:
DateTime dt = DateTime.FromOADate(doubleVal).ToLocalTime();
return(string.IsNullOrEmpty(tagFormat.Format)
? dt.ToLocalizedString()
: dt.ToString(tagFormat.Format));
default:
return(string.IsNullOrEmpty(tagFormat.Format)
? doubleVal.ToString(DefaultFormat)
: FormatIsHex(tagFormat.Format)
? ((int)doubleVal).ToString(tagFormat.Format) + 'h'
: doubleVal.ToString(tagFormat.Format));
}
}
}
}
catch
{
return(cnlData.Val.ToString(DefaultFormat));
}
}
/// <summary>
/// Sets the date and time value and status of the tag.
/// </summary>
public void SetDateTime(string tagCode, DateTime dateTime, int stat)
{
DeviceTag deviceTag = deviceTags[tagCode];
SetDateTime(deviceTag.Index, dateTime, stat);
}
/// <summary>
/// Sets the Unicode string value and status of the tag.
/// </summary>
public void SetUnicode(string tagCode, string s, int stat)
{
DeviceTag deviceTag = deviceTags[tagCode];
SetUnicode(deviceTag.Index, s, stat);
}
/// <summary>
/// Sets the specified tag range to undefined.
/// </summary>
public void Invalidate(string tagCode, int tagCount)
{
DeviceTag deviceTag = deviceTags[tagCode];
Invalidate(deviceTag.Index, tagCount);
}
/// <summary>
/// Converts the current tag data with a numeric data type to a string value.
/// </summary>
private string FormatNumericData(DeviceTag deviceTag, CnlData cnlData)
{
if (cnlData.IsUndefined)
{
return(CommonPhrases.UndefinedSign);
}
const string DefaultFormat = "N3";
try
{
TagFormat tagFormat = deviceTag.Format;
if (tagFormat == null)
{
return(deviceTag.DataType == TagDataType.Int64 ?
BitConverter.DoubleToInt64Bits(cnlData.Val).ToString() :
cnlData.Val.ToString(DefaultFormat));
}
else
{
string FormatEnum(int val)
{
string[] enumValues = tagFormat.EnumValues;
if (enumValues == null)
{
return(val.ToString());
}
else if (val < 0)
{
return(enumValues[0]);
}
else if (val >= enumValues.Length)
{
return(enumValues[enumValues.Length - 1]);
}
else
{
return(enumValues[val]);
}
}
if (deviceTag.DataType == TagDataType.Int64)
{
long longVal = BitConverter.DoubleToInt64Bits(cnlData.Val);
switch (tagFormat.FormatType)
{
case TagFormatType.Enum:
return(FormatEnum((int)longVal));
case TagFormatType.Date:
DateTime dt = new DateTime(longVal, DateTimeKind.Utc).ToLocalTime();
return(string.IsNullOrEmpty(tagFormat.Format) ?
dt.ToLocalizedString() : dt.ToString(tagFormat.Format));
default:
return(string.IsNullOrEmpty(tagFormat.Format) ?
longVal.ToString() : longVal.ToString(tagFormat.Format));
}
}
else
{
double doubleVal = cnlData.Val;
switch (tagFormat.FormatType)
{
case TagFormatType.Enum:
return(FormatEnum((int)doubleVal));
case TagFormatType.Date:
DateTime dt = DateTime.FromOADate(doubleVal);
return(string.IsNullOrEmpty(tagFormat.Format) ?
dt.ToLocalizedString() : dt.ToString(tagFormat.Format));
default:
return(string.IsNullOrEmpty(tagFormat.Format) ?
doubleVal.ToString() : doubleVal.ToString(tagFormat.Format));
}
}
}
}
catch
{
return(cnlData.Val.ToString(DefaultFormat));
}
}
/// <summary>
/// Gets the array of floating point values.
/// </summary>
public double[] GetDoubleArray(string tagCode)
{
DeviceTag deviceTag = deviceTags[tagCode];
return(GetDoubleArray(deviceTag.Index));
}
