public void SendMeasurements(IEnumerable <IMeasurement> measurements)
{
using (MemoryStream stream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.Write(BigEndian.GetBytes(measurements.Count()));
foreach (IMeasurement measurement in measurements)
{
ECAMeasurement ecaMeasurement = new ECAMeasurement()
{
SignalID = measurement.ID,
Timestamp = measurement.Timestamp,
Value = measurement.Value,
StateFlags = measurement.StateFlags
};
writer.Write(ecaMeasurement.SignalID.ToRfcBytes());
writer.Write(BigEndian.GetBytes(ecaMeasurement.Timestamp.Ticks));
writer.Write(BigEndian.GetBytes(ecaMeasurement.Value));
writer.Write(BigEndian.GetBytes((uint)ecaMeasurement.StateFlags));
}
m_dataSubscriber.SendServerCommand((ServerCommand)ECAServerCommand.SendMeasurements, stream.ToArray());
}
}
private void HandleDataPacketCommand(ClientConnection connection, byte[] buffer, int startIndex, int length)
{
try
{
List <IMeasurement> measurements = new List <IMeasurement>();
int index = startIndex;
int payloadByteLength = BigEndian.ToInt32(buffer, index);
index += sizeof(int);
string dataString = connection.Encoding.GetString(buffer, index, payloadByteLength);
ConnectionStringParser <SettingAttribute> connectionStringParser = new ConnectionStringParser <SettingAttribute>();
foreach (string measurementString in dataString.ParseKeyValuePairs().Values)
{
ECAMeasurement measurement = new ECAMeasurement();
connectionStringParser.ParseConnectionString(measurementString, measurement);
measurements.Add(new Measurement()
{
Metadata = MeasurementKey.LookUpBySignalID(measurement.SignalID).Metadata,
Timestamp = measurement.Timestamp,
Value = measurement.Value,
StateFlags = measurement.StateFlags
});
}
OnNewMeasurements(measurements);
}
catch (Exception ex)
{
string errorMessage = $"Data packet command failed due to exception: {ex.Message}";
OnProcessException(new Exception(errorMessage, ex));
SendClientResponse(connection.ClientID, ServerResponse.Failed, (ServerCommand)ECAServerCommand.StatusMessage, errorMessage);
}
}
