private async Task <TwinCollection> GetTwinDesiredPropertiesAsync(StationEui stationEui, CancellationToken cancellationToken)
{
var cacheKey = $"{ConcentratorTwinCachePrefixName}{stationEui}";
if (this.cache.TryGetValue(cacheKey, out var result))
{
return((TwinCollection)result);
}
await this.cacheSemaphore.WaitAsync(cancellationToken);
try
{
return(await this.cache.GetOrCreateAsync(cacheKey, async cacheEntry =>
{
_ = cacheEntry.SetAbsoluteExpiration(CacheTimeout);
var key = await this.loRaDeviceApiService.GetPrimaryKeyByEuiAsync(stationEui);
if (string.IsNullOrEmpty(key))
{
throw new LoRaProcessingException($"The configuration request of station '{stationEui}' did not match any configuration in IoT Hub. If you expect this connection request to succeed, make sure to provision the Basics Station in the device registry.",
LoRaProcessingErrorCode.InvalidDeviceConfiguration);
}
using var client = this.loRaDeviceFactory.CreateDeviceClient(stationEui.ToString(), key);
var twin = await client.GetTwinAsync(cancellationToken);
return twin.Properties.Desired;
}));
}
finally
{
_ = this.cacheSemaphore.Release();
}
}
internal async Task <IActionResult> RunFetchConcentratorCredentials(HttpRequest req, CancellationToken cancellationToken)
{
if (!StationEui.TryParse((string)req.Query["StationEui"], out var stationEui))
{
this.logger.LogError("StationEui missing in request or invalid");
return(new BadRequestObjectResult("StationEui missing in request or invalid"));
}
var credentialTypeQueryString = req.Query["CredentialType"];
if (StringValues.IsNullOrEmpty(credentialTypeQueryString))
{
this.logger.LogError("CredentialType missing in request");
return(new BadRequestObjectResult("CredentialType missing in request"));
}
if (!Enum.TryParse <ConcentratorCredentialType>(credentialTypeQueryString.ToString(), out var credentialType))
{
this.logger.LogError("Could not parse '{QueryString}' to a ConcentratorCredentialType.", credentialTypeQueryString.ToString());
return(new BadRequestObjectResult($"Could not parse desired concentrator credential type '{credentialTypeQueryString}'."));
}
var twin = await this.registryManager.GetTwinAsync(stationEui.ToString(), cancellationToken);
if (twin != null)
{
this.logger.LogInformation("Retrieving '{CredentialType}' for '{StationEui}'.", credentialType.ToString(), stationEui);
try
{
if (!twin.Properties.Desired.TryReadJsonBlock(CupsPropertyName, out var cupsProperty))
{
throw new ArgumentOutOfRangeException(CupsPropertyName, "failed to read cups config");
}
var parsedJson = JObject.Parse(cupsProperty);
var url = credentialType is ConcentratorCredentialType.Lns ? parsedJson[LnsCredentialsUrlPropertyName].ToString()
: parsedJson[CupsCredentialsUrlPropertyName].ToString();
var result = await GetBase64EncodedBlobAsync(url, cancellationToken);
return(new OkObjectResult(result));
}
catch (Exception ex) when(ex is ArgumentOutOfRangeException
or JsonReaderException
or InvalidCastException
or InvalidOperationException)
{
var message = $"'{CupsPropertyName}' desired property was not found or misconfigured.";
this.logger.LogError(ex, message);
return(new ObjectResult(message)
{
StatusCode = (int)HttpStatusCode.InternalServerError,
});
}
}
else
{
this.logger.LogInformation($"Searching for {stationEui} returned 0 devices");
return(new NotFoundResult());
}
}
private static DownlinkMessage BuildDownstreamMessage(LoRaDevice loRaDevice,
StationEui stationEUI,
ILogger logger,
ulong xTime,
ReceiveWindow?rx1,
ReceiveWindow rx2,
RxDelay lnsRxDelay,
LoRaPayloadData loRaMessage,
LoRaDeviceClassType deviceClassType,
uint?antennaPreference = null)
{
var messageBytes = loRaMessage.Serialize(loRaDevice.AppSKey.Value, loRaDevice.NwkSKey.Value);
var downlinkMessage = new DownlinkMessage(
messageBytes,
xTime,
rx1, rx2,
loRaDevice.DevEUI,
lnsRxDelay,
deviceClassType,
stationEUI,
antennaPreference
);
if (logger.IsEnabled(LogLevel.Debug))
{
logger.LogDebug($"{loRaMessage.MessageType} {JsonConvert.SerializeObject(downlinkMessage)}");
}
return(downlinkMessage);
}
public DownlinkMessage(byte[] payload,
ulong xtime,
ReceiveWindow?rx1,
ReceiveWindow rx2,
DevEui devEui,
RxDelay lnsRxDelay,
LoRaDeviceClassType deviceClassType,
StationEui stationEui = default,
uint?antennaPreference = null)
{
if (payload is null)
{
throw new ArgumentNullException(nameof(payload));
}
Data = payload;
DevEui = devEui;
LnsRxDelay = lnsRxDelay;
DeviceClassType = deviceClassType;
AntennaPreference = antennaPreference;
Rx1 = rx1;
Rx2 = rx2;
StationEui = stationEui;
Xtime = xtime;
}
public void StationEui_Can_Be_Interpreted_As_Dev_Eui()
{
const ulong value = 0x1a2b3c;
var devEui = new DevEui(value);
var stationEui = new StationEui(value);
Assert.Equal(devEui.ToString(), stationEui.ToString());
}
public void Write_Fails_BecauseNullUri()
{
_ = Id6.TryParse("b827:ebff:fee1:e39a", out var stationId6);
var stationEui = new StationEui(stationId6);
Assert.Throws <ArgumentNullException>(() =>
Json.Write(w => LnsDiscovery.WriteResponse(w, stationEui, ValidMuxs, null)));
}
private async Task <string> GetDesiredPropertyStringAsync(StationEui stationEui, string propertyName, CancellationToken cancellationToken)
{
var desiredProperties = await GetTwinDesiredPropertiesAsync(stationEui, cancellationToken);
return(desiredProperties.TryReadJsonBlock(propertyName, out var json)
? json
: throw new LoRaProcessingException($"Property '{propertyName}' was not present in device twin.", LoRaProcessingErrorCode.InvalidDeviceConfiguration));
}
public void ReadRequired_Nullable_Success()
{
const string key = "test";
var expectedValue = new StationEui(1);
var tc = CreateTwinCollectionReader(key, expectedValue.ToString());
Assert.Equal(expectedValue, tc.ReadRequired <StationEui?>(key));
}
public void Write_Fails_BecauseOfNonId6Muxs()
{
var muxs = "000000FFFE000000";
_ = Id6.TryParse("b827:ebff:fee1:e39a", out var stationId6);
var stationEui = new StationEui(stationId6);
Assert.Throws <ArgumentException>(() =>
_ = Json.Write(w => LnsDiscovery.WriteResponse(w, stationEui, muxs, new Uri(ValidUrlString))));
}
public BasicsStationConfigurationServiceTests()
{
this.stationEui = new StationEui(ulong.MaxValue);
this.devEui = DevEui.Parse(this.stationEui.ToString());
this.loRaDeviceApiServiceMock = new Mock <LoRaDeviceAPIServiceBase>();
this.loRaDeviceFactoryMock = new Mock <ILoRaDeviceFactory>();
this.memoryCache = new MemoryCache(new MemoryCacheOptions());
this.sut = new BasicsStationConfigurationService(this.loRaDeviceApiServiceMock.Object,
this.loRaDeviceFactoryMock.Object,
this.memoryCache,
NullLogger <BasicsStationConfigurationService> .Instance);
}
public void GetTagsInOrder_Should_Fall_Back_To_Tag_Bag_For_Station_Eui()
{
// arrange
var stationEui = new StationEui(1);
this.metricTagBag.StationEui.Value = stationEui;
// act
var result = MetricExporterHelper.GetTagsInOrder(new[] { MetricRegistry.ConcentratorIdTagName }, Array.Empty<KeyValuePair<string, object?>>(), this.metricTagBag);
// assert
Assert.Equal(new[] { stationEui.ToString() }, result);
}
public SimulatedLoadTests(IntegrationTestFixtureSim testFixture, ITestOutputHelper testOutputHelper)
: base(testFixture)
{
this.uniqueMessageFragment = Guid.NewGuid().ToString();
this.logger = new TestOutputLogger(testOutputHelper);
this.simulatedBasicsStations =
testFixture.DeviceRange5000_BasicsStationSimulators
.Zip(Configuration.LnsEndpointsForSimulator.Repeat(),
(tdi, lnsUrl) => new SimulatedBasicsStation(StationEui.Parse(tdi.DeviceID), lnsUrl))
.ToList();
Assert.True(this.simulatedBasicsStations.Count % Configuration.LnsEndpointsForSimulator.Count == 0, "Since Basics Stations are round-robin distributed to LNS, we must have the same number of stations per LNS for well-defined test assertions.");
}
public async Task <bool> ValidateAsync(X509Certificate2 certificate, X509Chain?chain, SslPolicyErrors sslPolicyErrors, CancellationToken token)
{
if (certificate is null)
{
throw new ArgumentNullException(nameof(certificate));
}
if (chain is null)
{
throw new ArgumentNullException(nameof(chain));
}
var commonName = certificate.GetNameInfo(X509NameType.SimpleName, false);
var regex = Regex.Match(commonName, "([a-fA-F0-9]{2}[-:]?){8}");
var parseSuccess = StationEui.TryParse(regex.Value, out var stationEui);
if (!parseSuccess)
{
this.logger.LogError("Could not find a possible StationEui in '{CommonName}'.", commonName);
return(false);
}
using var scope = this.logger.BeginEuiScope(stationEui);
// Logging any chain related issue that is causing verification to fail
if (chain.ChainStatus.Any(s => s.Status != X509ChainStatusFlags.NoError))
{
foreach (var status in chain.ChainStatus)
{
this.logger.LogError("{Status} {StatusInformation}", status.Status, status.StatusInformation);
}
this.logger.LogError("Some errors were found in the chain.");
return(false);
}
// Additional validation is done on certificate thumprint
try
{
var thumbprints = await this.stationConfigurationService.GetAllowedClientThumbprintsAsync(stationEui, token);
var thumbprintFound = thumbprints.Any(t => t.Equals(certificate.Thumbprint, StringComparison.OrdinalIgnoreCase));
if (!thumbprintFound)
{
this.logger.LogDebug($"'{certificate.Thumbprint}' was not found as allowed thumbprint for {stationEui}");
}
return(thumbprintFound);
}
catch (Exception ex) when(ExceptionFilterUtility.False(() => this.logger.LogError(ex, "An exception occurred while processing requests: {Exception}.", ex)))
{
return(false);
}
}
public async Task <Region> GetRegionAsync(StationEui stationEui, CancellationToken cancellationToken)
{
var config = await GetRouterConfigMessageAsync(stationEui, cancellationToken);
var region = LnsStationConfiguration.GetRegion(config);
if (region is DwellTimeLimitedRegion someRegion)
{
var dwellTimeSettings = await GetDesiredPropertyStringAsync(stationEui, DwellTimeConfigurationPropertyName, cancellationToken);
someRegion.DesiredDwellTimeSetting = DwellTimeConfigurationReader.Read(dwellTimeSettings);
}
return(region);
}
internal async Task <IActionResult> RunFetchConcentratorFirmware(HttpRequest req, CancellationToken cancellationToken)
{
if (!StationEui.TryParse((string)req.Query["StationEui"], out var stationEui))
{
this.logger.LogError("StationEui missing in request or invalid");
return(new BadRequestObjectResult("StationEui missing in request or invalid"));
}
var twin = await this.registryManager.GetTwinAsync(stationEui.ToString("N", CultureInfo.InvariantCulture), cancellationToken);
if (twin != null)
{
this.logger.LogDebug("Retrieving firmware url for '{StationEui}'.", stationEui);
try
{
if (!twin.Properties.Desired.TryReadJsonBlock(CupsPropertyName, out var cupsProperty))
{
throw new ArgumentOutOfRangeException(CupsPropertyName, "Failed to read CUPS config");
}
var fwUrl = JObject.Parse(cupsProperty)[CupsFwUrlPropertyName].ToString();
var(fwLength, stream) = await GetBlobStreamAsync(fwUrl, cancellationToken);
return(new FileStreamWithContentLengthResult(stream, "application/octet-stream", fwLength));
}
catch (Exception ex) when(ex is ArgumentOutOfRangeException or JsonReaderException or NullReferenceException)
{
var message = $"Failed to parse firmware upgrade url from the '{CupsPropertyName}' desired property.";
this.logger.LogError(ex, message);
return(new ObjectResult(message)
{
StatusCode = (int)HttpStatusCode.InternalServerError,
});
}
catch (RequestFailedException ex)
{
this.logger.LogError(ex, "Failed to download firmware from storage.");
return(new ObjectResult("Failed to download firmware")
{
StatusCode = (int)HttpStatusCode.InternalServerError
});
}
}
else
{
this.logger.LogInformation($"Searching for {stationEui} returned 0 devices");
return(new NotFoundResult());
}
}
public async Task HandleUpdateInfoAsync_Invokes_FetchFirmware_WhenUpdateAvailable()
{
// setup
using var memoryStream = new MemoryStream();
var strictifiedInput = JsonUtil.Strictify(CupsRequestJson);
var(httpContext, httpRequest, _) = SetupHttpContextWithRequest(strictifiedInput, memoryStream);
_ = httpRequest.Setup(r => r.ContentLength).Returns(Encoding.UTF8.GetByteCount(strictifiedInput));
var signatureBase64 = "ABCD";
// setting up the twin in such a way that there is a fw update but no matching checksum
var cupsTwinInfo = new CupsTwinInfo(new Uri(CupsUri),
new Uri(TcUri),
CredentialsChecksum,
CredentialsChecksum,
string.Empty,
string.Empty,
"anotherVersion",
KeyChecksum,
signatureBase64,
new Uri(FwUrl));
_ = this.basicsStationConfigurationService.Setup(m => m.GetCupsConfigAsync(It.IsAny <StationEui>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(cupsTwinInfo));
var firmwareBytes = new byte[] { 1, 2, 3 };
using var httpContent = new ByteArrayContent(firmwareBytes);
_ = this.deviceAPIServiceBase.Setup(m => m.FetchStationFirmwareAsync(It.IsAny <StationEui>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(httpContent);
// act
await this.processor.HandleUpdateInfoAsync(httpContext.Object, default);
// assert
this.deviceAPIServiceBase.Verify(m => m.FetchStationFirmwareAsync(StationEui.Parse(StationEuiString), It.IsAny <CancellationToken>()), Times.Once);
var expectedHeader = new CupsUpdateInfoResponseHeader
{
UpdateSignature = Convert.FromBase64String(signatureBase64),
SignatureKeyCrc = KeyChecksum,
UpdateDataLength = (uint)firmwareBytes.Length,
};
var expectedHeaderBytes = expectedHeader.Serialize(new byte[256].AsMemory()).ToArray();
var response = memoryStream.ToArray();
Assert.Equal(expectedHeaderBytes, response[..expectedHeaderBytes.Length]);
public void When_Tag_Not_Specified_Should_Fallback_To_Tag_Bag()
{
// arrange
using var instrument = new Meter(MetricRegistry.Namespace, MetricRegistry.Version);
var stationEui = new StationEui(1);
this.registryMetricTagBag.StationEui.Value = stationEui;
const int value = 1;
var counter = instrument.CreateCounter <int>(CounterMetric.Name);
// act
applicationInsightsMetricExporter.Start();
counter.Add(value);
// assert
this.trackValueMock.Verify(me => me.Invoke(It.IsAny <Metric>(), value, new[] { stationEui.ToString() }), Times.Once);
}
public void When_Tag_Not_Specified_Should_Fallback_To_Tag_Bag()
{
// arrange
using var instrument = new Meter(MetricRegistry.Namespace, MetricRegistry.Version);
var stationEui = new StationEui(1);
this.metricTagBag.StationEui.Value = stationEui;
const int value = 1;
var counter = instrument.CreateCounter <int>(Counter.Name);
// act
this.prometheusMetricExporter.Start();
counter.Add(value);
// assert
this.incCounterMock.Verify(me => me.Invoke(Counter.Name, new[] { stationEui.ToString() }, value), Times.Once);
}
private bool EnsureFirstMessageInCache(object key, LoRaRequest loRaRequest, out StationEui previousStation)
{
var stationEui = loRaRequest.StationEui;
lock (cacheLock)
{
if (!this.cache.TryGetValue(key, out previousStation))
{
_ = this.cache.Set(key, stationEui, new MemoryCacheEntryOptions()
{
SlidingExpiration = DefaultExpiration
});
return(true);
}
}
return(false);
}
public async void When_ObservableGauge_Is_Recorded_Should_Export_To_Prometheus()
{
// arrange
var observeValue = new Mock <Func <Measurement <int> > >();
var stationEui = new StationEui(1);
var measurement = new Measurement <int>(1, KeyValuePair.Create(MetricRegistry.ConcentratorIdTagName, (object?)stationEui));
observeValue.Setup(ov => ov.Invoke()).Returns(measurement);
using var meter = new Meter("LoRaWan", "1.0");
_ = meter.CreateObservableGauge(ObservableGauge.Name, observeValue.Object);
// act
this.prometheusMetricExporter.Start();
// assert
await observeValue.RetryVerifyAsync(ov => ov.Invoke(), Times.Once);
this.recordObservableGaugeMock.Verify(r => r.Invoke(ObservableGauge.Name, new[] { stationEui.ToString() }, measurement.Value), Times.Once);
}
public async Task <string[]> GetAllowedClientThumbprintsAsync(StationEui stationEui, CancellationToken cancellationToken)
{
var desiredProperties = await GetTwinDesiredPropertiesAsync(stationEui, cancellationToken);
if (desiredProperties.Contains(ClientThumbprintPropertyName))
{
try
{
var thumbprints = (JArray)(object)desiredProperties[ClientThumbprintPropertyName];
return(thumbprints.ToObject <string[]>());
}
catch (Exception ex) when(ex is InvalidCastException)
{
throw new LoRaProcessingException($"'{ClientThumbprintPropertyName}' format is invalid. An array is expected.", ex, LoRaProcessingErrorCode.InvalidDeviceConfiguration);
}
}
throw new LoRaProcessingException($"Property '{ClientThumbprintPropertyName}' was not present in device twin.", LoRaProcessingErrorCode.InvalidDeviceConfiguration);
}
public void When_Data_Message_Encountered_Should_Find_Duplicates_For_Different_Deduplication_Strategies(string station1, string station2, DeduplicationMode deduplicationMode, ConcentratorDeduplicationResult expectedResult)
{
// arrange
var station1Eui = StationEui.Parse(station1);
this.dataRequest.SetStationEui(station1Eui);
_ = this.concentratorDeduplication.CheckDuplicateData(this.dataRequest, this.loRaDevice);
this.dataRequest.SetStationEui(StationEui.Parse(station2));
this.loRaDevice.Deduplication = deduplicationMode;
// act/assert
Assert.Equal(expectedResult, this.concentratorDeduplication.CheckDuplicateData(this.dataRequest, this.loRaDevice));
Assert.Equal(1, this.cache.Count);
var key = ConcentratorDeduplication.CreateCacheKey(this.dataPayload, this.loRaDevice);
Assert.True(this.cache.TryGetValue(key, out var foundStation));
Assert.Equal(station1Eui, foundStation);
}
public async void When_ObservableGauge_Is_Recorded_Should_Export_To_ApplicationInsights()
{
// arrange
var observeValue = new Mock <Func <Measurement <int> > >();
var stationEui = new StationEui(1);
var measurement = new Measurement <int>(1, KeyValuePair.Create(MetricRegistry.ConcentratorIdTagName, (object)stationEui));
_ = observeValue.Setup(ov => ov.Invoke()).Returns(measurement);
using var meter = new Meter("LoRaWan", "1.0");
_ = meter.CreateObservableGauge(ObservableGaugeMetric.Name, observeValue.Object);
// act
this.applicationInsightsMetricExporter.Start();
// assert
await this.trackValueMock.RetryVerifyAsync(me => me.Invoke(It.Is <Metric>(m => m.Identifier.MetricNamespace == MetricRegistry.Namespace &&
m.Identifier.MetricId == ObservableGaugeMetric.Name),
measurement.Value,
new[] { stationEui.ToString() }),
Times.Once);
}
public async Task SetReportedPackageVersionAsync(StationEui stationEui, string package, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(package))
{
this.logger.LogDebug($"Station did not report any 'package' field. Skipping reported property update.");
return;
}
var key = await this.loRaDeviceApiService.GetPrimaryKeyByEuiAsync(stationEui);
if (string.IsNullOrEmpty(key))
{
throw new LoRaProcessingException($"The configuration request of station '{stationEui}' did not match any configuration in IoT Hub. If you expect this connection request to succeed, make sure to provision the Basics Station in the device registry.",
LoRaProcessingErrorCode.InvalidDeviceConfiguration);
}
using var client = this.loRaDeviceFactory.CreateDeviceClient(stationEui.ToString(), key);
var twinCollection = new TwinCollection();
twinCollection[TwinProperty.Package] = package;
_ = await client.UpdateReportedPropertiesAsync(twinCollection, cancellationToken);
}
internal void SetStationEui(StationEui stationEui) => StationEui = stationEui;
public async Task <HttpResponseMessage> CreateEdgeDeviceImp(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
// parse query parameter
var queryStrings = req.GetQueryParameterDictionary();
// required arguments
if (!queryStrings.TryGetValue("deviceName", out var deviceName) ||
!queryStrings.TryGetValue("publishingUserName", out var publishingUserName) ||
!queryStrings.TryGetValue("publishingPassword", out var publishingPassword) ||
!queryStrings.TryGetValue("region", out var region) ||
!queryStrings.TryGetValue("stationEui", out var stationEuiString) ||
!queryStrings.TryGetValue("resetPin", out var resetPin))
{
return(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
ReasonPhrase = "Missing required parameters."
});
}
if (!StationEui.TryParse(stationEuiString, out _))
{
return(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
ReasonPhrase = "Station EUI could not be properly parsed."
});
}
// optional arguments
_ = queryStrings.TryGetValue("spiSpeed", out var spiSpeed);
_ = queryStrings.TryGetValue("spiDev", out var spiDev);
_ = bool.TryParse(Environment.GetEnvironmentVariable("DEPLOY_DEVICE"), out var deployEndDevice);
// Get function facade key
var base64Auth = Convert.ToBase64String(Encoding.Default.GetBytes($"{publishingUserName}:{publishingPassword}"));
var apiUrl = new Uri($"https://{Environment.GetEnvironmentVariable("WEBSITE_CONTENTSHARE")}.scm.azurewebsites.net/api");
var siteUrl = new Uri($"https://{Environment.GetEnvironmentVariable("WEBSITE_CONTENTSHARE")}.azurewebsites.net");
string jwt;
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("Authorization", $"Basic {base64Auth}");
var result = await client.GetAsync(new Uri($"{apiUrl}/functions/admin/token"));
jwt = (await result.Content.ReadAsStringAsync()).Trim('"'); // get JWT for call funtion key
}
var facadeKey = string.Empty;
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("Authorization", "Bearer " + jwt);
var response = await client.GetAsync(new Uri($"{siteUrl}/admin/host/keys"));
var jsonResult = await response.Content.ReadAsStringAsync();
dynamic resObject = JsonConvert.DeserializeObject(jsonResult);
facadeKey = resObject.keys[0].value;
}
var edgeGatewayDevice = new Device(deviceName)
{
Capabilities = new DeviceCapabilities()
{
IotEdge = true
}
};
try
{
_ = await this.registryManager.AddDeviceAsync(edgeGatewayDevice);
_ = await this.registryManager.AddModuleAsync(new Module(deviceName, "LoRaWanNetworkSrvModule"));
public static bool TryRead <T>(this TwinCollection twinCollection, string property, ILogger?logger, [NotNullWhen(true)] out T?value)
{
_ = twinCollection ?? throw new ArgumentNullException(nameof(twinCollection));
value = default;
if (!twinCollection.Contains(property))
{
return(false);
}
// cast to object to avoid dynamic code to be generated
var some = (object)twinCollection[property];
// quick path for values that can be directly converted
if (some is Newtonsoft.Json.Linq.JValue someJValue)
{
if (someJValue.Value is T someT)
{
value = someT;
return(true);
}
}
try
{
var t = typeof(T);
var tPrime = Nullable.GetUnderlyingType(t) ?? t;
// For 100% case coverage we should handle the case where type T is nullable and the token is null.
// Since this is not possible in IoT hub, we do not handle the null cases exhaustively.
if (tPrime == StationEuiType)
{
value = (T)(object)StationEui.Parse(some.ToString());
}
else if (tPrime == DevNonceType)
{
value = (T)(object)new DevNonce(Convert.ToUInt16(some, CultureInfo.InvariantCulture));
}
else if (tPrime == DevAddrType)
{
value = (T)(object)DevAddr.Parse(some.ToString());
}
else if (tPrime == AppSessionKeyType)
{
value = (T)(object)AppSessionKey.Parse(some.ToString());
}
else if (tPrime == AppKeyType)
{
value = (T)(object)AppKey.Parse(some.ToString());
}
else if (tPrime == NetworkSessionKeyType)
{
value = (T)(object)NetworkSessionKey.Parse(some.ToString());
}
else if (tPrime == JoinEuiType)
{
value = (T)(object)JoinEui.Parse(some.ToString());
}
else if (tPrime == NetIdType)
{
value = (T)(object)NetId.Parse(some.ToString());
}
else
{
value = (T)Convert.ChangeType(some, t, CultureInfo.InvariantCulture);
}
if (t.IsEnum && !t.IsEnumDefined(value))
{
LogParsingError(logger, property, some);
return(false);
}
}
catch (Exception ex) when(ex is ArgumentException
or InvalidCastException
or FormatException
or OverflowException
or Newtonsoft.Json.JsonSerializationException)
{
LogParsingError(logger, property, some, ex);
return(false);
}
return(true);
}
public async Task <CupsTwinInfo> GetCupsConfigAsync(StationEui stationEui, CancellationToken cancellationToken) => JsonSerializer.Deserialize <CupsTwinInfo>(await GetDesiredPropertyStringAsync(stationEui, CupsPropertyName, cancellationToken));
public async Task <string> GetRouterConfigMessageAsync(StationEui stationEui, CancellationToken cancellationToken) => LnsStationConfiguration.GetConfiguration(await GetDesiredPropertyStringAsync(stationEui, RouterConfigPropertyName, cancellationToken));
public async Task Test_Concentrator_Can_Receive_Updates_Then_Connect_To_Lns_And_Receive_Messages()
{
//arrange
var temporaryDirectoryName = string.Empty;
var stationEui = StationEui.Parse(TestFixture.Configuration.CupsBasicStationEui);
var clientThumbprint = TestFixture.Configuration.ClientThumbprint;
var crcParseResult = uint.TryParse(TestFixture.Configuration.ClientBundleCrc, out var crc);
var sigCrcParseResult = uint.TryParse(TestFixture.Configuration.CupsSigKeyChecksum, out var sigCrc);
try
{
var device = TestFixtureCi.GetDeviceByPropertyName(nameof(TestFixtureCi.Device33_OTAA));
LogTestStart(device, stationEui);
if (!string.IsNullOrEmpty(clientThumbprint))
{
//if a test re-run, clientThumbprint will be empty, therefore there's nothing to do, previously generated certificates will be reused
//update allowed client thumbprints in IoT Hub Twin to only have the one being added
await TestFixture.UpdateExistingConcentratorThumbprint(stationEui,
condition : (originalArray) => !originalArray.Any(x => x.Equals(clientThumbprint, StringComparison.OrdinalIgnoreCase)),
action : (originalList) =>
{
originalList.RemoveAll(x => true); // remove all keys
originalList.Add(clientThumbprint); // add only new thumbprint
});
}
if (crcParseResult)
{
//if a test re-run, crc field will be empty, therefore there's nothing to do, previously generated certificates will be reused
//update crc value with the one being generated in ci
await TestFixture.UpdateExistingConcentratorCrcValues(stationEui, crc);
}
var fwDigest = TestFixture.Configuration.CupsFwDigest;
var fwPackage = TestFixture.Configuration.CupsBasicStationPackage;
var fwUrl = TestFixture.Configuration.CupsFwUrl;
if (sigCrcParseResult && !string.IsNullOrEmpty(fwDigest) && !string.IsNullOrEmpty(fwPackage) && fwUrl is not null)
{
//if a test re-run, the fields will be empty, therefore there's no update to achieve
await TestFixture.UpdateExistingFirmwareUpgradeValues(stationEui, sigCrc, fwDigest, fwPackage, fwUrl);
}
//setup the concentrator with CUPS_URI only (certificates are retrieved from default location)
TestUtils.StartBasicsStation(TestFixture.Configuration, new Dictionary <string, string>()
{
{ "TLS_SNI", "false" },
{ "CUPS_URI", TestFixture.Configuration.SharedCupsEndpoint },
{ "FIXED_STATION_EUI", stationEui.ToString() },
{ "RADIODEV", TestFixture.Configuration.RadioDev }
}, out temporaryDirectoryName);
// Waiting 30s for being sure that BasicStation actually started up
await Task.Delay(30_000);
// If package log does not match, firmware upgrade process failed
var expectedLog = stationEui + $": Received 'version' message for station '{TestFixture.Configuration.CupsBasicStationVersion}' with package '{fwPackage}'";
var log = await TestFixtureCi.SearchNetworkServerModuleAsync(
(log) => log.IndexOf(expectedLog, StringComparison.Ordinal) != -1, new SearchLogOptions(expectedLog) { MaxAttempts = 1 });
Assert.True(log.Found);
//the concentrator should be ready at this point to receive messages
//if receiving 'updf' is succeeding, cups worked successfully
await ArduinoDevice.setDeviceModeAsync(LoRaArduinoSerial._device_mode_t.LWOTAA);
await ArduinoDevice.setIdAsync(device.DevAddr, device.DeviceID, device.AppEui);
await ArduinoDevice.setKeyAsync(device.NwkSKey, device.AppSKey, device.AppKey);
await ArduinoDevice.SetupLora(TestFixtureCi.Configuration);
var joinSucceeded = await ArduinoDevice.setOTAAJoinAsyncWithRetry(LoRaArduinoSerial._otaa_join_cmd_t.JOIN, 20000, 5);
Assert.True(joinSucceeded, "Join failed");
var expectedLog2 = stationEui + ": Received 'jreq' message";
var jreqLog = await TestFixtureCi.SearchNetworkServerModuleAsync(
(log) => log.IndexOf(expectedLog2, StringComparison.Ordinal) != -1, new SearchLogOptions(expectedLog2) { MaxAttempts = 2 });
Assert.NotNull(jreqLog.MatchedEvent);
// wait 1 second after joined
await Task.Delay(Constants.DELAY_FOR_SERIAL_AFTER_JOIN);
Log($"{device.DeviceID}: Sending OTAA unconfirmed message");
var msg = PayloadGenerator.Next().ToString(CultureInfo.InvariantCulture);
await ArduinoDevice.transferPacketAsync(msg, 10);
await Task.Delay(Constants.DELAY_FOR_SERIAL_AFTER_SENDING_PACKET);
var expectedLog3 = $"{{\"value\":{msg}}}";
await TestFixtureCi.AssertIoTHubDeviceMessageExistsAsync(device.DeviceID, expectedLog3, new SearchLogOptions(expectedLog3) { MaxAttempts = 2 });
var expectedLog4 = stationEui + ": Received 'updf' message";
var updfLog = await TestFixtureCi.SearchNetworkServerModuleAsync(
(log) => log.IndexOf(expectedLog4, StringComparison.Ordinal) != -1, new SearchLogOptions(expectedLog4) { MaxAttempts = 2 });
Assert.True(updfLog.Found);
var twin = await TestFixture.GetTwinAsync(stationEui.ToString());
var twinReader = new TwinCollectionReader(twin.Properties.Reported, null);
Assert.True(twinReader.TryRead <string>(TwinProperty.Package, out var reportedPackage) &&
string.Equals(fwPackage, reportedPackage, StringComparison.OrdinalIgnoreCase));
}
finally
{
TestUtils.KillBasicsStation(TestFixture.Configuration, temporaryDirectoryName, out var logFilePath);
if (!string.IsNullOrEmpty(logFilePath) && File.Exists(logFilePath))
{
Log("[INFO] ** Basic Station Logs Start **");
Log(await File.ReadAllTextAsync(logFilePath));
Log("[INFO] ** Basic Station Logs End **");
File.Delete(logFilePath);
}
}
TestFixtureCi.ClearLogs();
}