def test_encode_decode():
ens = EnsembleData()
ens.EnsembleNumber = 2668
ens.NumBins = 37
ens.NumBeams = 4
ens.DesiredPingCount = 45
ens.ActualPingCount = 46
ens.SerialNumber = "01H00000000000000000000000999999"
ens.SysFirmwareMajor = 2
ens.SysFirmwareMinor = 11
ens.SysFirmwareRevision = 5
ens.SysFirmwareSubsystemCode = "A"
ens.SubsystemConfig = 3
ens.Status = 9
ens.Year = 2019
ens.Month = 3
ens.Day = 9
ens.Hour = 12
ens.Minute = 23
ens.Second = 24
ens.HSec = 33
bin_Data = ens.encode() # Encode
ens1 = EnsembleData()
ens1.decode(bytearray(bin_Data)) # Decode
assert ens.EnsembleNumber == ens1.EnsembleNumber
assert ens.NumBins == ens1.NumBins
assert ens.NumBeams == ens1.NumBeams
assert ens.DesiredPingCount == ens1.DesiredPingCount
assert ens.ActualPingCount == ens1.ActualPingCount
assert ens.SerialNumber == ens1.SerialNumber
assert ens.SysFirmwareMajor == ens1.SysFirmwareMajor
assert ens.SysFirmwareMinor == ens1.SysFirmwareMinor
assert ens.SysFirmwareRevision == ens1.SysFirmwareRevision
assert ens.SysFirmwareSubsystemCode == ens1.SysFirmwareSubsystemCode
assert ens.SubsystemConfig == ens1.SubsystemConfig
assert ens.Status == ens1.Status
assert ens.Year == ens1.Year
assert ens.Month == ens1.Month
assert ens.Day == ens1.Day
assert ens.Hour == ens1.Hour
assert ens.Minute == ens1.Minute
assert ens.Second == ens1.Second
assert ens.HSec == ens1.HSec
def decode_data_sets(ens):
"""
Decode the datasets in the ensemble.
Use verify_ens_data if you are using this
as a static method to verify the data is correct.
:param ens: Ensemble data. Decode the dataset.
:return: Return the decoded ensemble.
"""
#print(ens)
packetPointer = Ensemble().HeaderSize
type = 0
numElements = 0
elementMultiplier = 0
imag = 0
nameLen = 0
name = ""
dataSetSize = 0
ens_len = len(ens)
# Create the ensemble
ensemble = Ensemble()
# Add the raw data to the ensemble
#ensemble.AddRawData(ens)
try:
# Decode the ensemble datasets
for x in range(Ensemble().MaxNumDataSets):
# Check if we are at the end of the payload
if packetPointer >= ens_len - Ensemble.ChecksumSize - Ensemble.HeaderSize:
break
try:
# Get the dataset info
ds_type = Ensemble.GetInt32(packetPointer + (Ensemble.BytesInInt32 * 0), Ensemble().BytesInInt32, ens)
num_elements = Ensemble.GetInt32(packetPointer + (Ensemble.BytesInInt32 * 1), Ensemble().BytesInInt32, ens)
element_multiplier = Ensemble.GetInt32(packetPointer + (Ensemble.BytesInInt32 * 2), Ensemble().BytesInInt32, ens)
image = Ensemble.GetInt32(packetPointer + (Ensemble.BytesInInt32 * 3), Ensemble().BytesInInt32, ens)
name_len = Ensemble.GetInt32(packetPointer + (Ensemble.BytesInInt32 * 4), Ensemble().BytesInInt32, ens)
name = str(ens[packetPointer+(Ensemble.BytesInInt32 * 5):packetPointer+(Ensemble.BytesInInt32 * 5)+8], 'UTF-8')
except Exception as e:
logging.warning("Bad Ensemble header" + str(e))
break
# Calculate the dataset size
data_set_size = Ensemble.GetDataSetSize(ds_type, name_len, num_elements, element_multiplier)
# Beam Velocity
if "E000001" in name:
logging.debug(name)
bv = BeamVelocity(num_elements, element_multiplier)
bv.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddBeamVelocity(bv)
# Instrument Velocity
if "E000002" in name:
logging.debug(name)
iv = InstrumentVelocity(num_elements, element_multiplier)
iv.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddInstrumentVelocity(iv)
# Earth Velocity
if "E000003" in name:
logging.debug(name)
ev = EarthVelocity(num_elements, element_multiplier)
ev.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddEarthVelocity(ev)
# Amplitude
if "E000004" in name:
logging.debug(name)
amp = Amplitude(num_elements, element_multiplier)
amp.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddAmplitude(amp)
# Correlation
if "E000005" in name:
logging.debug(name)
corr = Correlation(num_elements, element_multiplier)
corr.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddCorrelation(corr)
# Good Beam
if "E000006" in name:
logging.debug(name)
gb = GoodBeam(num_elements, element_multiplier)
gb.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddGoodBeam(gb)
# Good Earth
if "E000007" in name:
logging.debug(name)
ge = GoodEarth(num_elements, element_multiplier)
ge.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddGoodEarth(ge)
# Ensemble Data
if "E000008" in name:
logging.debug(name)
ed = EnsembleData(num_elements, element_multiplier)
ed.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddEnsembleData(ed)
# Ancillary Data
if "E000009" in name:
logging.debug(name)
ad = AncillaryData(num_elements, element_multiplier)
ad.decode(ens[packetPointer:packetPointer+data_set_size])
ensemble.AddAncillaryData(ad)
# Bottom Track
if "E000010" in name:
logging.debug(name)
bt = BottomTrack(num_elements, element_multiplier)
bt.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddBottomTrack(bt)
# NMEA data
if "E000011" in name:
logging.debug(name)
nd = NmeaData(num_elements, element_multiplier)
nd.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddNmeaData(nd)
# System Setup
if "E000014" in name:
logging.debug(name)
ss = SystemSetup(num_elements, element_multiplier)
ss.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddSystemSetup(ss)
# Range Tracking
if "E000015" in name:
logging.debug(name)
rt = RangeTracking(num_elements, element_multiplier)
rt.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddRangeTracking(rt)
# Move to the next dataset
packetPointer += data_set_size
except Exception as e:
logging.warning("Error decoding the ensemble. " + str(e))
return None
return ensemble