/// <summary>
/// Gets the measurement value.
/// </summary>
/// <param name="energyEntry">The energy entry.</param>
/// <returns></returns>
private static MeasurementValue GetMeasurementValue(PeriodEntry energyEntry)
{
var counterValueUnscaled = Convert.ToInt64(energyEntry.Value);
var scaler = energyEntry.Scaler;
double? counterValueScaled = null;
while (scaler++ < 0)
{
counterValueScaled = (double)counterValueUnscaled / 10;
}
var mv = new MeasurementValue
{
DataValue = counterValueScaled,
ObisValue = (long)(ulong)energyEntry.Name,
Unit = string.Format("{0}", energyEntry.Unit),
ValueSignature = energyEntry.Signature,
SignatureVerificationStatus = (int)SignatureVerificationResult.Unchecked
};
if (mv.ValueSignature != null)
{
// TODO: call verification service here
}
return mv;
}
/// <summary>
/// Gets the measurement value.
/// </summary>
/// <param name="energyEntry">The energy entry.</param>
/// <param name="serverId">The server id required for ECC signature verification.</param>
/// <param name="publicKey">The public key required for ECC signature verification.</param>
/// <returns>
/// The measurementValue structure based on a SmlListEntry.
/// </returns>
private static MeasurementValue GetMeasurementValue(ListEntry energyEntry, byte[] serverId = null, byte[] publicKey = null)
{
var counterValueUnscaled = Convert.ToInt64(energyEntry.Value);
var scaler = energyEntry.Scaler;
double? counterValueScaled = counterValueUnscaled;
if (scaler < 0)
{
while (scaler++ < 0)
{
counterValueScaled = counterValueScaled / 10;
}
}
else
{
while (scaler-- > 0)
{
counterValueScaled = counterValueScaled * 10;
}
}
var mv = new MeasurementValue
{
DataValue = counterValueScaled,
ObisValue = (long)(ulong)energyEntry.Name,
Unit = string.Format("{0}", energyEntry.Unit),
ValueTime = energyEntry.Time != null ? energyEntry.Time.UtcTime : DateTime.MinValue,
ValueSignature = energyEntry.Signature,
SignatureVerificationStatus = (int)SignatureVerificationResult.Unchecked
};
if (energyEntry.Status != null)
{
mv.StatusWord = (EdlStatusWord)energyEntry.Status;
}
// set an EDL 'invalid timestamp' to C# DateTime = null
if (mv.ValueTime < new DateTime(1970, 1, 2) || mv.ValueTime > new DateTime(2100, 1, 1))
{
mv.ValueTime = null;
}
// Check the ECC signature
if (mv.ValueSignature != null && mv.ValueTime != null && mv.ValueSignature.Length == 50 && publicKey != null && serverId != null)
{
//var verificationSvc = new EdlFormDataVerificationService();
//var bdi = new EdlFormBillingDataItem();
//bdi.BillingLocalDateTime = mv.ValueTime.Value;
//bdi.CounterValue = counterValueUnscaled;
//bdi.CounterValueScaler = scaler.Value;
//bdi.EventLogCounter =
// BitConverter.ToUInt16(
// energyEntry.Signature.Skip(48).Take(2).Reverse().ToArray(), 0);
//bdi.ObisCode = energyEntry.Name.ToArray();
//bdi.PublicKey = publicKey;
//bdi.ServerId = serverId;
//bdi.Signature = mv.ValueSignature.Take(48).ToArray();
// set result value
/*mv.SignatureVerificationStatus = (int)(verificationSvc.VerifyFormBillingData(bdi) ?
SignatureVerificationResult.Valid :
SignatureVerificationResult.Invalid);*/
}
return mv;
}