/// <summary>
/// 写数据集属性
/// </summary>
public void WriteDatasetAttribute(string datasetName, string attrName, string value)
{
H5DataSetId datasetId = H5D.open(_fileId, datasetName);
H5DataTypeId typeId = H5T.copy(H5T.H5Type.C_S1);
H5DataSpaceId spaceId = H5S.create(H5S.H5SClass.SCALAR);
H5T.setSize(typeId, value.Length);
H5AttributeId attrId = H5A.create(datasetId, attrName, typeId, spaceId);
if (value != "")
{
H5Array <byte> buffer = new H5Array <byte>(Encoding.Default.GetBytes(value));
H5A.write(attrId, typeId, buffer);
}
if (typeId != null)
{
H5T.close(typeId);
}
if (spaceId != null)
{
H5S.close(spaceId);
}
if (attrId != null)
{
H5A.close(attrId);
}
if (datasetId != null)
{
H5D.close(datasetId);
}
}
private bool setOMXFileAttributes()
{
// write OMX attributes
H5DataSpaceId dspace;
H5DataTypeId dtype;
H5AttributeId attr;
// OMX version
dspace = H5S.create(H5S.H5SClass.SCALAR);
dtype = H5T.copy(H5T.H5Type.C_S1); // string datatype
H5T.setSize(dtype, dllVersion[0].Length);
attr = H5A.create(fileId, omxVersionName, dtype, dspace);
ASCIIEncoding ascii = new ASCIIEncoding();
H5A.write(attr, dtype, new H5Array <System.Byte>(ascii.GetBytes(dllVersion[0])));
H5A.close(attr);
// OMX shape - only 2D tables
dspace = H5S.create_simple(1, new long[] { 2 });
dtype = H5T.copy(H5T.H5Type.NATIVE_INT);
attr = H5A.create(fileId, omxShapeAttr, dtype, dspace);
int[] shape = new int[2];
shape[0] = (int)Shape[0];
shape[1] = (int)Shape[1];
H5A.write <int>(attr, dtype, new H5Array <int>(shape));
H5S.close(dspace);
H5A.close(attr);
return(true);
}
private static void WriteFile(string filePath)
{
var file = H5F.create(filePath, H5F.CreateMode.ACC_TRUNC);
var group = H5G.create(file, "/group");
H5G.close(group);
const int RANK = 2;
const int DIM0 = 3;
const int DIM1 = 4;
var dims = new long[RANK] {
DIM0, DIM1
};
var dataSpace = H5S.create_simple(RANK, dims);
var dataSet = H5D.create(file, "/group/dataset", H5T.H5Type.NATIVE_INT, dataSpace);
H5S.close(dataSpace);
var data = new int[DIM0, DIM1]
{
{ 1, 2, 3, 4 },
{ 5, 6, 7, 8 },
{ 9, 10, 11, 12 }
};
H5D.write(dataSet, new H5DataTypeId(H5T.H5Type.NATIVE_INT), new H5Array <int>(data));
var dataType = new H5DataTypeId(H5T.H5Type.NATIVE_INT);
dataSpace = H5S.create(H5S.H5SClass.SCALAR);
var integerAttribute = H5A.create(dataSet, "int", dataType, dataSpace);
H5A.write(integerAttribute, dataType, new H5Array <int>(new int[1] {
42
}));
H5A.close(integerAttribute);
H5S.close(dataSpace);
//H5T.close(dataType); // Read-only.
var str = "Hello, world!";
var strBytes = Encoding.ASCII.GetBytes(str);
// There is a H5T.get_cset, but there does not seem to be a way of setting the character encoding, i.e. set_cset.
dataType = H5T.copy(H5T.H5Type.C_S1);
H5T.setSize(dataType, strBytes.Length);
dataSpace = H5S.create(H5S.H5SClass.SCALAR);
var stringAttribute = H5A.create(dataSet, "string", dataType, dataSpace);
H5A.write(stringAttribute, dataType, new H5Array <byte>(strBytes));
H5A.close(stringAttribute);
H5S.close(dataSpace);
H5T.close(dataType);
H5D.close(dataSet);
H5F.close(file);
}
private static byte[] EncodeStringData(string str, out H5DataTypeId dtype)
{
byte[] strdata = System.Text.Encoding.UTF8.GetBytes(str);
dtype = H5T.copy(H5T.H5Type.C_S1);
H5T.setSize(dtype, strdata.Length);
return(strdata);
}
private static H5AttributeId WriteStringAttribute(H5ObjectWithAttributes fileOrdatasetId, HDFAttributeDef hDFAttributeDef, H5DataSpaceId dataSpaceId, H5DataTypeId dataTypeId)
{
string attValue = Convert.ToString(hDFAttributeDef.Value);
int stringLength = attValue.Length;
H5T.setSize(dataTypeId, stringLength);
H5AttributeId attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
byte[] bs = Encoding.Default.GetBytes(attValue);
H5A.write(attributeId, dataTypeId, new H5Array <byte>(bs));
return(attributeId);
}
/// <summary>
/// Constructs a new EpochHDF5Persistor with an HDF5 file at the given path.
/// </summary>
/// <param name="filename">Desired HDF5 path</param>
/// <param name="assocFilePrefix">Prefix for auxiliary (e.g. image) file associated with this HDF5 file</param>
/// <param name="guidGenerator">Function for generating new UUIDs (e.g. Guid.NewGuid)</param>
/// <param name="compression">Automatically numeric data compression (0 = none, 9 = maximum)</param>
public EpochHDF5Persistor(string filename, string assocFilePrefix, Func <Guid> guidGenerator, uint compression = 9)
: base(guidGenerator)
{
if (filename == null)
{
throw new ArgumentException("File name must not be null", "filename");
}
if (compression > 9)
{
throw new ArgumentException("Compression must be 0-9", "compression");
}
if (assocFilePrefix == null)
{
assocFilePrefix = "";
}
this.AssociatedFilePrefix = assocFilePrefix;
NumericDataCompression = compression;
EpochGroupsIDs = new Stack <EpochGroupIDs>();
var fInfo = new FileInfo(filename);
string prefixedFilePath = fInfo.DirectoryName + Path.DirectorySeparatorChar + this.AssociatedFilePrefix + fInfo.Name;
var currentFile = new FileInfo(prefixedFilePath);
if (currentFile.Exists)
{
fileId = H5F.open(prefixedFilePath, H5F.OpenMode.ACC_RDWR);
string_t = H5T.open(fileId, "STRING40");
keyval_t = H5T.open(fileId, "KEY40VAR40");
measurement_t = H5T.open(fileId, "MEASUREMENT");
extdevmeasurement_t = H5T.open(fileId, "EXTDEV_MEASUREMENT");
//TODO Check persistence version
}
else
{
fileId = H5F.create(prefixedFilePath, H5F.CreateMode.ACC_EXCL);
WriteAttribute(fileId, "version", Version);
// Create our standard String type (string of length FIXED_STRING_LENGTH characters)
string_t = H5T.copy(H5T.H5Type.C_S1);
H5T.setSize(string_t, 40);
H5T.commit(fileId, "STRING40", string_t);
// Create our key/value compound type (two strings of length 40 characters)
keyval_t = H5T.create(H5T.CreateClass.COMPOUND, 80);
H5T.insert(keyval_t, "key", 0, string_t);
H5T.insert(keyval_t, "value", FIXED_STRING_LENGTH, string_t);
H5T.commit(fileId, "KEY40VAR40", keyval_t);
// Create the Measurement compound type
measurement_t = H5T.create(H5T.CreateClass.COMPOUND, 48); // confirm 48 is enough/too much/whatever
H5T.insert(measurement_t, "quantity", 0, H5T.H5Type.NATIVE_DOUBLE);
H5T.insert(measurement_t, "unit", H5T.getSize(H5T.H5Type.NATIVE_DOUBLE), string_t);
H5T.commit(fileId, "MEASUREMENT", measurement_t);
// Create the ExtDev/Measurement compound type
extdevmeasurement_t = H5T.create(H5T.CreateClass.COMPOUND,
H5T.getSize(string_t) + 2 * H5T.getSize(measurement_t));
H5T.insert(extdevmeasurement_t, "externalDevice", 0, string_t);
H5T.insert(extdevmeasurement_t, "measurement", H5T.getSize(string_t), measurement_t);
H5T.commit(fileId, "EXTDEV_MEASUREMENT", extdevmeasurement_t);
}
Interlocked.Increment(ref _openHdf5FileCount);
}
static void test_classes()
{
try
{
Console.Write("Testing datatype classes");
/*-------------------------------------------------------------
* Check class of some atomic types.
*-----------------------------------------------------------*/
H5T.H5TClass tcls = H5T.getClass(H5T.H5Type.NATIVE_INT);
if (tcls != H5T.H5TClass.INTEGER)
{
Console.WriteLine("Test class should have been H5T_INTEGER");
nerrors++;
}
tcls = H5T.getClass(H5T.H5Type.NATIVE_DOUBLE);
if (tcls != H5T.H5TClass.FLOAT)
{
Console.WriteLine("Test class should have been H5T_FLOAT");
nerrors++;
}
H5DataTypeId op_type = H5T.create(H5T.CreateClass.OPAQUE, 1);
tcls = H5T.getClass(op_type);
if (tcls != H5T.H5TClass.OPAQUE)
{
Console.WriteLine("Test class should have been H5T_OPAQUE");
nerrors++;
}
// Create a VL datatype of char. It should be a VL, not a string class.
H5DataTypeId vlcId = H5T.vlenCreate(H5T.H5Type.NATIVE_UCHAR);
// Make certain that the correct classes can be detected
tcls = H5T.getClass(vlcId);
if (tcls != H5T.H5TClass.VLEN)
{
Console.WriteLine("Test class should have been H5T_VLEN");
nerrors++;
}
// Make certain that an incorrect class is not detected */
if (tcls == H5T.H5TClass.STRING)
{
Console.WriteLine("Test class should not be H5T_STRING");
nerrors++;
}
// Create a VL string. It should be a string, not a VL class.
H5DataTypeId vlsId = H5T.copy(H5T.H5Type.C_S1);
H5T.setSize(vlsId, -1); // for H5T_VARIABLE
tcls = H5T.getClass(vlsId);
if (tcls != H5T.H5TClass.STRING)
{
Console.WriteLine("Test class should have been H5T_STRING");
nerrors++;
}
if (tcls == H5T.H5TClass.VLEN)
{
Console.WriteLine("Test class should not be H5T_VLEN");
nerrors++;
}
// Check that this is a variable-length string.
if (!H5T.isVariableString(vlsId))
{
Console.WriteLine("This type should be a variable-length string");
nerrors++;
}
// Close datatype
H5T.close(vlcId);
Console.WriteLine("\t\t\t\tPASSED");
} // end of try block
catch (HDFException anyHDF5E)
{
Console.WriteLine(anyHDF5E.Message);
nerrors++;
}
catch (System.Exception sysE)
{
Console.WriteLine(sysE.TargetSite);
Console.WriteLine(sysE.Message);
nerrors++;
}
} // end of test_classes
public string Get(string path, bool outfolder)
{
logger.Log(LogLevel.Info, "Entered AVISTEDHDF5Converter GET()");
try
{
string content = File.ReadAllText(path);
List <Dictionary <string, string> > data = JsonConvert.DeserializeObject <List <Dictionary <string, string> > >(content);
string result = "false";
string randomlyGeneratedFolderNamePart = Path.GetFileNameWithoutExtension(Path.GetRandomFileName());
string timeRelatedFolderNamePart = DateTime.Now.Year.ToString()
+ DateTime.Now.Month.ToString()
+ DateTime.Now.Day.ToString()
+ DateTime.Now.Hour.ToString()
+ DateTime.Now.Minute.ToString()
+ DateTime.Now.Second.ToString()
+ DateTime.Now.Millisecond.ToString();
string processRelatedFolderNamePart = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
string copypath = "";
if (outfolder)
{
copypath = ConfigurationManager.AppSettings["Save_Downloads"].ToString();
}
else
{
copypath = ConfigurationManager.AppSettings["Converters"].ToString();
}
string temporaryDirectoryName = Path.Combine(copypath
, timeRelatedFolderNamePart
+ processRelatedFolderNamePart
+ randomlyGeneratedFolderNamePart);
Directory.CreateDirectory(temporaryDirectoryName);
logger.Log(LogLevel.Info, "Created Directory");
string uri = Path.Combine(temporaryDirectoryName, "result" + ".h5");
H5FileId fileId = H5F.create(uri,
H5F.CreateMode.ACC_TRUNC);
string[] results = new string[data.Count + 1];
int i = 0, j = 0;
Dictionary <string, string> resultdict = new Dictionary <string, string>();
Dictionary <string, string> tempdict = data.First();
string[] names = tempdict.Keys.ToArray();
string[] values = new string[names.Length];
foreach (Dictionary <string, string> dict in data)
{
var value = dict.Values.ToArray();
if (j == 0)
{
for (int k = 0; k < values.Length; k++)
{
values[k] = value[k];
}
j = 1;
}
else
{
for (int k = 0; k < values.Length; k++)
{
values[k] += "," + value[k];
}
}
}
int index = 0;
foreach (string s in names)
{
if (s.Equals("date"))
{
string[] strings = values[index++].Split(',');
byte[] bytes = Encoding.UTF8.GetBytes(String.Concat(strings));
char[,] myChars = new char[strings.Length, 10];
myChars = StringToChar(myChars, strings);
// Prepare to 9create a data space for writing a 1 - dimensional
// signed integer array.
long[] dims = new long[1];
dims[0] = strings.Length;
H5DataSpaceId spaceId = H5S.create_simple(1, dims);
H5DataTypeId typeId = H5T.copy(H5T.H5Type.C_S1);
// Find the size of the type
int typeSize = H5T.getSize(typeId) * 10;
H5T.setSize(typeId, 10);
string name = "/" + s;
// Create the data set.
H5DataSetId dataSetId = H5D.create(fileId, s,
typeId, spaceId);
H5D.write(dataSetId, typeId,
new H5Array <byte>(bytes));
H5D.close(dataSetId);
H5S.close(spaceId);
logger.Log(LogLevel.Info, "Created parameter {0}", s);
}
else
{
string[] strings = values[index++].Split(',');
float[] vl = new float[strings.Length];
int l = 0;
foreach (string d in strings)
{
vl[l++] = float.Parse(d);
}
// Prepare to create a data space for writing a 1 - dimensional
// signed integer array.
long[] dims = new long[1];
dims[0] = strings.Length;
H5DataSpaceId spaceId = H5S.create_simple(1, dims);
H5DataTypeId typeId1 = H5T.copy(H5T.H5Type.NATIVE_FLOAT);
// Find the size of the type
int typeSize = H5T.getSize(typeId1);
// Set the order to big endian
H5T.setOrder(typeId1, H5T.Order.BE);
// Set the order to little endian
H5T.setOrder(typeId1, H5T.Order.LE);
string name = "/" + s;
// Create the data set.
H5DataSetId dataSetId = H5D.create(fileId, s,
typeId1, spaceId);
H5D.write(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_FLOAT),
new H5Array <float>(vl));
// dscopy.AddVariable<float>(s, vl);
H5D.close(dataSetId);
H5S.close(spaceId);
H5T.close(typeId1);
logger.Log(LogLevel.Info, "Created parameter {0}", s);
}
}
H5F.close(fileId);
string SourceFolderPath = temporaryDirectoryName;
return(SourceFolderPath);
}
catch (Exception ex)
{
logger.Error("AVISTEDHDF5Converter:Failed with exception {0}", ex.Message);
}
return("Error");
}