/**
* <summary>
* Builds a list of all data streams hold by the data logger.
* <para>
* The caller must pass by reference an empty array to hold YDataStream
* objects, and the function fills it with objects describing available
* data sequences.
* </para>
* </summary>
* <param name="v">
* an array of YDataStream objects to be filled in
* </param>
* <returns>
* YAPI.SUCCESS if the call succeeds.
* </returns>
* <para>
* On failure, throws an exception or returns a negative error code.
* </para>
*/
public int get_dataStreams(List <YDataStream> v)
{
int functionReturnValue = 0;
YAPI.TJsonParser j = null;
int i = 0;
int res = 0;
YAPI.TJSONRECORD root = default(YAPI.TJSONRECORD);
YAPI.TJSONRECORD el = default(YAPI.TJSONRECORD);
v.Clear();
res = getData(0, 0, ref j);
if ((res != YAPI.SUCCESS))
{
functionReturnValue = res;
return(functionReturnValue);
}
root = j.GetRootNode();
for (i = 0; i <= root.itemcount - 1; i++)
{
el = root.items[i];
v.Add(new YDataStream(this, el.items[0].ivalue, el.items[1].ivalue, el.items[2].ivalue, el.items[3].ivalue));
}
j = null;
functionReturnValue = YAPI.SUCCESS;
return(functionReturnValue);
}
/**
* <summary>
* Builds a list of all data streams hold by the data logger (legacy method).
* <para>
* The caller must pass by reference an empty array to hold YDataStream
* objects, and the function fills it with objects describing available
* data sequences.
* </para>
* <para>
* This is the old way to retrieve data from the DataLogger.
* For new applications, you should rather use <c>get_dataSets()</c>
* method, or call directly <c>get_recordedData()</c> on the
* sensor object.
* </para>
* <para>
* </para>
* </summary>
* <param name="v">
* an array of YDataStream objects to be filled in
* </param>
* <returns>
* <c>YAPI.SUCCESS</c> if the call succeeds.
* </returns>
* <para>
* On failure, throws an exception or returns a negative error code.
* </para>
*/
public int get_dataStreams(List <YDataStream> v)
{
YAPI.TJsonParser j = null;
int i = 0;
int res = 0;
YAPI.TJSONRECORD root = default(YAPI.TJSONRECORD);
YAPI.TJSONRECORD el = default(YAPI.TJSONRECORD);
v.Clear();
res = getData(0, 0, ref j);
if (res != YAPI.SUCCESS)
{
return(res);
}
root = j.GetRootNode();
if (root.itemcount == 0)
{
return(YAPI.SUCCESS);
}
if (root.items[0].recordtype == YAPI.TJSONRECORDTYPE.JSON_ARRAY)
{
// old datalogger format: [runIdx, timerel, utc, interval]
for (i = 0; i <= root.itemcount - 1; i++)
{
el = root.items[i];
v.Add(new YOldDataStream(this, (int)el.items[0].ivalue, (int)el.items[1].ivalue, (UInt32)el.items[2].ivalue, (int)el.items[3].ivalue));
}
}
else
{
// new datalogger format: {"id":"...","unit":"...","streams":["...",...]}
string json_buffer = j.convertToString(root, false);
List <YDataSet> sets = this.parse_dataSets(YAPI.DefaultEncoding.GetBytes(json_buffer));
for (int sj = 0; sj < sets.Count; sj++)
{
List <YDataStream> ds = sets[sj].get_privateDataStreams();
for (int si = 0; si < ds.Count; si++)
{
v.Add(ds[si]);
}
}
}
j = null;
return(YAPI.SUCCESS);
}
public new int loadStream()
{
YAPI.TJsonParser json = null;
int res = 0;
int count = 0;
YAPI.TJSONRECORD root = default(YAPI.TJSONRECORD);
YAPI.TJSONRECORD el = default(YAPI.TJSONRECORD);
string name = null;
List <int> coldiv = new List <int>();
List <int> coltype = new List <int>();
List <int> udat = new List <int>();
List <double> date = new List <double>();
List <double> colscl = new List <double>();
List <int> colofs = new List <int>();
List <int> caltyp = new List <int>();
List <YAPI.yCalibrationHandler> calhdl = new List <YAPI.yCalibrationHandler>();
List <List <int> > calpar = new List <List <int> >();
List <List <double> > calraw = new List <List <double> >();
List <List <double> > calref = new List <List <double> >();
int x = 0;
int i = 0;
int j = 0;
res = _dataLogger.getData(_runNo, _timeStamp, ref json);
if ((res != YAPI.SUCCESS))
{
return(res);
}
_nRows = 0;
_nCols = 0;
_columnNames.Clear();
_values = new List <List <double> >();
root = json.GetRootNode();
for (i = 0; i <= root.membercount - 1; i++)
{
el = root.members[i];
name = el.name;
if (name == "time")
{
_timeStamp = (int)el.ivalue;
}
else if (name == "UTC")
{
_utcStamp = (UInt32)el.ivalue;
}
else if (name == "interval")
{
_interval = (int)el.ivalue;
}
else if (name == "nRows")
{
_nRows = (int)el.ivalue;
}
else if (name == "keys")
{
_nCols = el.itemcount;
for (j = 0; j <= _nCols - 1; j++)
{
_columnNames.Add(el.items[j].svalue);
}
}
else if (name == "div")
{
_nCols = el.itemcount;
for (j = 0; j <= _nCols - 1; j++)
{
coldiv.Add((int)el.items[j].ivalue);
}
}
else if (name == "type")
{
_nCols = el.itemcount;
for (j = 0; j <= _nCols - 1; j++)
{
coltype.Add((int)el.items[j].ivalue);
}
}
else if (name == "scal")
{
_nCols = el.itemcount;
for (j = 0; j <= _nCols - 1; j++)
{
colscl.Add(el.items[j].ivalue / 65536.0);
if (coltype[j] != 0)
{
colofs.Add(-32767);
}
else
{
colofs.Add(0);
}
}
}
else if (name == "cal")
{
//fixme no calibration
}
else if (name == "data")
{
if (colscl.Count <= 0)
{
for (j = 0; j <= _nCols - 1; j++)
{
colscl.Add(1.0 / coldiv[j]);
if (coltype[j] != 0)
{
colofs.Add(-32767);
}
else
{
colofs.Add(0);
}
}
}
udat.Clear();
if (el.recordtype == YAPI.TJSONRECORDTYPE.JSON_STRING)
{
udat = YAPI._decodeWords(el.svalue);
}
else
{
count = el.itemcount;
for (j = 0; j <= count - 1; j++)
{
int tmp = (int)(el.items[j].ivalue);
udat.Add(tmp);
}
}
_values = new List <List <double> >();
List <double> dat = new List <double>();
foreach (int uval in udat)
{
double value;
if (coltype[x] < 2)
{
value = (uval + colofs[x]) * colscl[x];
}
else
{
value = YAPI._decimalToDouble(uval - 32767);
}
if (caltyp[x] > 0 && calhdl[x] != null)
{
YAPI.yCalibrationHandler handler = calhdl[x];
if (caltyp[x] <= 10)
{
value = handler((uval + colofs[x]) / coldiv[x], caltyp[x], calpar[x], calraw[x], calref[x]);
}
else if (caltyp[x] > 20)
{
value = handler(value, caltyp[x], calpar[x], calraw[x], calref[x]);
}
}
dat.Add(value);
x++;
if (x == _nCols)
{
_values.Add(dat);
dat.Clear();
x = 0;
}
}
}
}
json = null;
return(YAPI.SUCCESS);
}
private int loadStream()
{
YAPI.TJsonParser json = null;
int res = 0;
int count = 0;
YAPI.TJSONRECORD root = default(YAPI.TJSONRECORD);
YAPI.TJSONRECORD el = default(YAPI.TJSONRECORD);
string name = null;
List <int> coldiv = new List <int>();
List <int> coltype = new List <int>();
List <uint> udat = new List <uint>();
List <double> date = new List <double>();
List <double> colscl = new List <double>();
int x = 0;
int y = 0;
int i = 0;
int j = 0;
double value = 0;
res = dataLogger.getData(runNo, timeStamp, ref json);
if ((res != YAPI.SUCCESS))
{
return(res);
}
nRows = 0;
nCols = 0;
columnNames.Clear();
values = new double[1, 1];
root = json.GetRootNode();
for (i = 0; i <= root.membercount - 1; i++)
{
el = root.members[i];
name = el.name;
if (name == "time")
{
timeStamp = el.ivalue;
}
else if (name == "UTC")
{
utcStamp = el.ivalue;
}
else if (name == "interval")
{
interval = el.ivalue;
}
else if (name == "nRows")
{
nRows = el.ivalue;
}
else if (name == "keys")
{
nCols = el.itemcount;
for (j = 0; j <= nCols - 1; j++)
{
columnNames.Add(el.items[j].svalue);
}
}
else if (name == "div")
{
nCols = el.itemcount;
for (j = 0; j <= nCols - 1; j++)
{
coldiv.Add(el.items[j].ivalue);
}
}
else if (name == "type")
{
nCols = el.itemcount;
for (j = 0; j <= nCols - 1; j++)
{
coltype.Add(el.items[j].ivalue);
}
}
else if (name == "scal")
{
nCols = el.itemcount;
for (j = 0; j <= nCols - 1; j++)
{
colscl.Add(el.items[j].ivalue / 65536.0);
}
}
else if (name == "data")
{
if (colscl.Count <= 0)
{
for (j = 0; j <= nCols - 1; j++)
{
colscl.Add(1.0 / coldiv[j]);
}
}
udat.Clear();
if (el.recordtype == YAPI.TJSONRECORDTYPE.JSON_STRING)
{
string sdat = el.svalue;
for (int p = 0; p < sdat.Length;)
{
uint val;
uint c = sdat[p++];
if (c >= 'a')
{
int srcpos = (int)(udat.Count - 1 - (c - 'a'));
if (srcpos < 0)
{
dataLogger.throw_friend(YAPI.IO_ERROR, "Unexpected JSON reply format");
return(YAPI.IO_ERROR);
}
val = udat[srcpos];
}
else
{
if (p + 2 > sdat.Length)
{
dataLogger.throw_friend(YAPI.IO_ERROR, "Unexpected JSON reply format");
return(YAPI.IO_ERROR);
}
val = (c - '0');
c = sdat[p++];
val += (c - '0') << 5;
c = sdat[p++];
if (c == 'z')
{
c = '\\';
}
val += (c - '0') << 10;
}
udat.Add(val);
}
}
else
{
count = el.itemcount;
for (j = 0; j <= count - 1; j++)
{
u32 tmp = (u32)(el.items[j].ivalue);
udat.Add(tmp);
}
}
values = new double[nRows, nCols];
foreach (u32 uval in udat)
{
value = uval;
if (coltype[x] == 0)
{
value = value * colscl[x];
}
else
{
if (coltype[x] == 1)
{
value = (value - 32767) * colscl[x];
}
}
values[y, x] = value;
x++;
if (x == nCols)
{
x = 0;
y++;
}
}
}
}
json = null;
return(YAPI.SUCCESS);
}
public string _json_get_string(byte[] data)
{
Nullable<YAPI.TJSONRECORD> node;
string json_str = YAPI.DefaultEncoding.GetString(data);
YAPI.TJsonParser p = new YAPI.TJsonParser('[' + json_str + ']', false);
node = p.GetRootNode();
return node.Value.items[0].svalue;
}