internal static LoRaDevice CreateFromSimulatedDevice(
SimulatedDevice simulatedDevice,
ILoRaDeviceClient loRaDeviceClient,
DefaultLoRaDataRequestHandler requestHandler = null,
ILoRaDeviceClientConnectionManager connectionManager = null)
{
var result = new LoRaDevice(simulatedDevice.LoRaDevice.DevAddr, simulatedDevice.LoRaDevice.DeviceID, connectionManager ?? new SingleDeviceConnectionManager(loRaDeviceClient))
{
AppEUI = simulatedDevice.LoRaDevice.AppEUI,
AppKey = simulatedDevice.LoRaDevice.AppKey,
SensorDecoder = simulatedDevice.LoRaDevice.SensorDecoder,
AppSKey = simulatedDevice.LoRaDevice.AppSKey,
NwkSKey = simulatedDevice.LoRaDevice.NwkSKey,
GatewayID = simulatedDevice.LoRaDevice.GatewayID,
IsOurDevice = true,
ClassType = (simulatedDevice.ClassType == 'C' || simulatedDevice.ClassType == 'c') ? LoRaDeviceClassType.C : LoRaDeviceClassType.A,
};
result.SetFcntDown(simulatedDevice.FrmCntDown);
result.SetFcntUp(simulatedDevice.FrmCntUp);
result.AcceptFrameCountChanges();
if (requestHandler != null)
{
result.SetRequestHandler(requestHandler);
}
return(result);
}
public async Task When_Device_Has_Up_To_9_Changes_In_Fcnt_Down_Should_Not_Save_Changes(uint startFcntDown)
{
var target = new MultiGatewayFrameCounterUpdateStrategy(this.gatewayID, this.deviceApi.Object);
var device = new LoRaDevice("1", "2", new SingleDeviceConnectionManager(this.deviceClient.Object));
device.SetFcntDown(startFcntDown);
device.AcceptFrameCountChanges();
this.deviceApi.Setup(x => x.NextFCntDownAsync(device.DevEUI, It.IsAny <uint>(), It.IsAny <uint>(), this.gatewayID))
.Returns <string, uint, uint, string>((devEUI, fcntDown, payloadFcnt, gatewayID) =>
{
return(Task.FromResult(fcntDown + 1));
});
for (var i = 1; i <= 9; ++i)
{
await target.NextFcntDown(device, 10);
await target.SaveChangesAsync(device);
}
this.deviceApi.VerifyAll();
this.deviceClient.VerifyAll();
}
public async Task When_Device_FcntDown_Change_Is_10_Or_More_Should_Save_Changes(uint startingFcntDown, uint startingFcntUp)
{
var target = new SingleGatewayFrameCounterUpdateStrategy();
this.deviceClient.Setup(x => x.UpdateReportedPropertiesAsync(It.IsNotNull <TwinCollection>()))
.ReturnsAsync(true)
.Callback <TwinCollection>(t =>
{
Assert.Equal(startingFcntDown + 10, (uint)t[TwinProperty.FCntDown]);
Assert.Equal(startingFcntUp, (uint)t[TwinProperty.FCntUp]);
});
var device = new LoRaDevice("1", "2", new SingleDeviceConnectionManager(this.deviceClient.Object));
device.SetFcntUp(startingFcntUp);
device.SetFcntDown(startingFcntDown);
device.AcceptFrameCountChanges();
for (var i = 1; i <= 15; i++)
{
await target.NextFcntDown(device, startingFcntUp + 1);
await target.SaveChangesAsync(device);
}
this.deviceClient.VerifyAll();
}
public void When_Missed_Both_Windows_Should_Resolve_Window_0(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionFactory.CreateEU868Region(), DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("31312", "312321321", null);
Assert.Equal(0, target.ResolveReceiveWindowToUse(loRaDevice));
}
public void After_3_Resubmits_Should_Not_Be_Valid_To_Resend_Ack()
{
var target = new LoRaDevice("1231", "12312", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
// 1st time
target.SetFcntUp(12);
// 1st resubmit
target.SetFcntUp(12);
Assert.True(target.ValidateConfirmResubmit(12));
// 2nd resubmit
target.SetFcntUp(12);
Assert.True(target.ValidateConfirmResubmit(12));
// 3rd resubmit
target.SetFcntUp(12);
Assert.True(target.ValidateConfirmResubmit(12));
// 4rd resubmit
target.SetFcntUp(12);
Assert.False(target.ValidateConfirmResubmit(12));
// new fcnt up
target.SetFcntUp(13);
Assert.False(target.ValidateConfirmResubmit(12), "Should not be valid to resubmit old fcntUp");
// resubmit new fcnt up
target.SetFcntUp(13);
Assert.True(target.ValidateConfirmResubmit(13));
Assert.False(target.ValidateConfirmResubmit(12), "Should not be valid to resubmit old fcntUp");
}
public async Task When_Downlink_Is_Enabled_In_Twin_Should_Have_DownlinkEnabled_Equals_True(object downlinkTwinPropertyValue)
{
var twin = TestUtils.CreateTwin(
desired: new Dictionary <string, object>
{
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" },
{ "GatewayID", "mygateway" },
{ "SensorDecoder", "DecoderValueSensor" },
{ TwinProperty.DownlinkEnabled, downlinkTwinPropertyValue },
{ "$version", 1 },
},
reported: new Dictionary <string, object>
{
{ "$version", 1 },
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" },
});
this.loRaDeviceClient.Setup(x => x.GetTwinAsync())
.ReturnsAsync(twin);
var loRaDevice = new LoRaDevice("00000001", "ABC0200000000009", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
await loRaDevice.InitializeAsync();
Assert.True(loRaDevice.DownlinkEnabled);
}
public void When_ResetFcnt_In_NonZero_FcntUp_Or_FcntDown_Should_Have_HasFrameCountChanges_True()
{
// Non zero fcnt up
var target = new LoRaDevice("1231", "12312", this.loRaDeviceClient.Object);
target.SetFcntUp(1);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0, target.FCntUp);
Assert.Equal(0, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
// Non zero fcnt down
target = new LoRaDevice("1231", "12312", this.loRaDeviceClient.Object);
target.SetFcntDown(1);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0, target.FCntUp);
Assert.Equal(0, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
// Non zero fcnt down and up
target = new LoRaDevice("1231", "12312", this.loRaDeviceClient.Object);
target.SetFcntDown(1);
target.SetFcntDown(2);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0, target.FCntUp);
Assert.Equal(0, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
}
public async Task When_Initialized_New_OTAA_Device_Should_Have_All_Properties()
{
var twin = TestUtils.CreateTwin(
desired: new Dictionary <string, object>
{
{ "AppEUI", "ABC0200000000009" },
{ "AppKey", "ABC02000000000000000000000000009" },
{ "GatewayID", "mygateway" },
{ "SensorDecoder", "DecoderValueSensor" },
{ "$version", 1 },
},
reported: new Dictionary <string, object>
{
{ "$version", 1 },
});
this.loRaDeviceClient.Setup(x => x.GetTwinAsync())
.ReturnsAsync(twin);
var loRaDevice = new LoRaDevice(string.Empty, "ABC0200000000009", this.loRaDeviceClient.Object);
await loRaDevice.InitializeAsync();
Assert.Equal("ABC0200000000009", loRaDevice.AppEUI);
Assert.Equal("ABC02000000000000000000000000009", loRaDevice.AppKey);
Assert.Equal("mygateway", loRaDevice.GatewayID);
Assert.Equal("DecoderValueSensor", loRaDevice.SensorDecoder);
Assert.Empty(loRaDevice.AppSKey ?? string.Empty);
Assert.Empty(loRaDevice.NwkSKey ?? string.Empty);
Assert.Empty(loRaDevice.DevAddr ?? string.Empty);
Assert.Empty(loRaDevice.DevNonce ?? string.Empty);
Assert.Empty(loRaDevice.NetID ?? string.Empty);
Assert.False(loRaDevice.IsABP);
Assert.False(loRaDevice.IsOurDevice);
}
public void When_Out_Of_Time_For_Join_Accept_Second_Window_Should_Resolve_Window_0(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("31312", "312321321", null);
Assert.Equal(0, target.ResolveJoinAcceptWindowToUse(loRaDevice));
}
public void When_Needed_Should_Reconnect_Client()
{
var deviceClient = new Mock <ILoRaDeviceClient>(MockBehavior.Strict);
var cache = new MemoryCache(new MemoryCacheOptions());
var manager = new LoRaDeviceClientConnectionManager(cache);
var device = new LoRaDevice("00000000", "0123456789", manager);
device.KeepAliveTimeout = 60;
manager.Register(device, deviceClient.Object);
deviceClient.Setup(x => x.EnsureConnected())
.Returns(true);
deviceClient.Setup(x => x.Disconnect())
.Returns(true);
using (var activity1 = device.BeginDeviceClientConnectionActivity())
{
Assert.NotNull(activity1);
}
Assert.True(device.TryDisconnect());
using (var activity2 = device.BeginDeviceClientConnectionActivity())
{
Assert.NotNull(activity2);
Assert.False(device.TryDisconnect());
}
Assert.True(device.TryDisconnect());
deviceClient.Verify(x => x.EnsureConnected(), Times.Exactly(2));
deviceClient.Verify(x => x.Disconnect(), Times.Exactly(2));
}
public void When_ResetFcnt_In_Device_With_Pending_Changes_Should_Have_HasFrameCountChanges_True()
{
var devAddr = new DevAddr(0x1231);
// Non zero fcnt up
using var target = CreateDefaultDevice();
target.SetFcntUp(1);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0U, target.FCntUp);
Assert.Equal(0U, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
// Non zero fcnt down
using var secondConnectionManager = new SingleDeviceConnectionManager(this.loRaDeviceClient.Object);
using var secondTarget = new LoRaDevice(devAddr, new DevEui(0x12312), secondConnectionManager);
secondTarget.SetFcntDown(1);
secondTarget.AcceptFrameCountChanges();
secondTarget.ResetFcnt();
Assert.Equal(0U, secondTarget.FCntUp);
Assert.Equal(0U, secondTarget.FCntDown);
Assert.True(secondTarget.HasFrameCountChanges);
// Non zero fcnt down and up
using var thirdConnectionManager = new SingleDeviceConnectionManager(this.loRaDeviceClient.Object);
using var thirdTarget = new LoRaDevice(devAddr, new DevEui(0x12312), thirdConnectionManager);
thirdTarget.SetFcntDown(1);
thirdTarget.SetFcntDown(2);
thirdTarget.AcceptFrameCountChanges();
thirdTarget.ResetFcnt();
Assert.Equal(0U, thirdTarget.FCntUp);
Assert.Equal(0U, thirdTarget.FCntDown);
Assert.True(thirdTarget.HasFrameCountChanges);
}
public void When_Missed_Both_Windows_Should_Resolve_Window_0(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("31312", "312321321", null);
Assert.Equal(Constants.INVALID_RECEIVE_WINDOW, target.ResolveReceiveWindowToUse(loRaDevice));
}
public async Task When_PreferredWindow_Is_Not_Define_In_Twin_Should_Have_Window1_As_Preferred()
{
var twin = TestUtils.CreateTwin(
desired: new Dictionary <string, object>
{
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" },
{ "GatewayID", "mygateway" },
{ "SensorDecoder", "DecoderValueSensor" },
{ "$version", 1 },
},
reported: new Dictionary <string, object>
{
{ "$version", 1 },
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" },
});
this.loRaDeviceClient.Setup(x => x.GetTwinAsync())
.ReturnsAsync(twin);
var loRaDevice = new LoRaDevice("00000001", "ABC0200000000009", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
await loRaDevice.InitializeAsync();
Assert.Equal(1, loRaDevice.PreferredWindow);
}
public void When_ResetFcnt_In_Device_With_Pending_Changes_Should_Have_HasFrameCountChanges_True()
{
// Non zero fcnt up
var target = new LoRaDevice("1231", "12312", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
target.SetFcntUp(1);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0U, target.FCntUp);
Assert.Equal(0U, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
// Non zero fcnt down
target = new LoRaDevice("1231", "12312", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
target.SetFcntDown(1);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0U, target.FCntUp);
Assert.Equal(0U, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
// Non zero fcnt down and up
target = new LoRaDevice("1231", "12312", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
target.SetFcntDown(1);
target.SetFcntDown(2);
target.AcceptFrameCountChanges();
target.ResetFcnt();
Assert.Equal(0U, target.FCntUp);
Assert.Equal(0U, target.FCntDown);
Assert.True(target.HasFrameCountChanges);
}
public async Task When_Initialized_With_Keep_Alive_Should_Read_Value_From_Twin(object keepAliveTimeoutValue, int expectedKeepAliveTimeout)
{
var twin = TestUtils.CreateTwin(
desired: new Dictionary <string, object>
{
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" },
{ "GatewayID", "mygateway" },
{ "SensorDecoder", "DecoderValueSensor" },
{ "KeepAliveTimeout", keepAliveTimeoutValue },
{ "$version", 1 },
},
reported: new Dictionary <string, object>
{
{ "$version", 1 },
{ "NwkSKey", "ABC02000000000000000000000000009ABC02000000000000000000000000009" },
{ "AppSKey", "ABCD2000000000000000000000000009ABC02000000000000000000000000009" },
{ "DevAddr", "0000AABB" }
});
this.loRaDeviceClient.Setup(x => x.GetTwinAsync())
.ReturnsAsync(twin);
var loRaDevice = new LoRaDevice("00000001", "ABC0200000000009", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
await loRaDevice.InitializeAsync();
Assert.Equal(expectedKeepAliveTimeout, loRaDevice.KeepAliveTimeout);
}
public void When_In_Time_For_Join_Accept_First_Window_Should_Resolve_Window_1(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionFactory.CreateEU868Region(), DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("31312", "312321321", null);
Assert.Equal(1, target.ResolveJoinAcceptWindowToUse(loRaDevice));
}
public void When_Out_Of_Time_For_Join_Accept_Second_Window_Should_Resolve_Window_0(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
using var loRaDevice = new LoRaDevice(new DevAddr(0x31312), new DevEui(0x312321321), ConnectionManager);
Assert.Null(target.ResolveJoinAcceptWindowToUse());
}
public override void NotifySucceeded(LoRaDevice loRaDevice, DownlinkPktFwdMessage downlink)
{
base.NotifySucceeded(loRaDevice, downlink);
this.ResponseDownlink = downlink;
this.ProcessingSucceeded = true;
this.complete.Release();
}
public LoRaCloudToDeviceMessageWrapperTest()
{
var connectionManager = TestUtils.CreateConnectionManager();
this.sampleDevice = new LoRaDevice("123131", "1231231232132", connectionManager);
connectionManager.Register(this.sampleDevice, new Mock <ILoRaDeviceClient>().Object);
}
public void When_ResetFcnt_In_New_Instance_Should_Have_HasFrameCountChanges_False()
{
var target = new LoRaDevice("1231", "12312", this.loRaDeviceClient.Object);
// Setting from 0 to 0 should not trigger changes
target.ResetFcnt();
Assert.False(target.HasFrameCountChanges);
}
public void When_Device_PreferredWindow1_In_Time_For_First_Window_Should_Get_Check_C2D_Avaible_Time_Correctly(int delayInMs, int expectedMinMs, int expectedMaxMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("1111", "2222", null);
// Will be around 1000 - delay - 400
Assert.InRange(target.GetAvailableTimeToCheckCloudToDeviceMessage(loRaDevice), TimeSpan.FromMilliseconds(expectedMinMs), TimeSpan.FromMilliseconds(expectedMaxMs));
}
public void When_In_Time_For_Second_Window_Should_Resolve_Window_2(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
using var loRaDevice = new LoRaDevice(new DevAddr(0x31312), new DevEui(0x312321321), ConnectionManager);
Assert.Equal(ReceiveWindow2, target.ResolveReceiveWindowToUse(loRaDevice));
}
public MultiGatewayFrameCounterUpdateStrategyTest()
{
this.deviceClient = new Mock <ILoRaDeviceClient>();
this.deviceApi = new Mock <LoRaDeviceAPIServiceBase>(MockBehavior.Strict);
this.gatewayID = "test-gateway";
this.connectionManager = new SingleDeviceConnectionManager(this.deviceClient.Object);
this.device = new LoRaDevice(new DevAddr(1), new DevEui(2), connectionManager);
}
public async Task <bool> SaveChangesAsync(LoRaDevice loRaDevice)
{
if (loRaDevice.FCntUp % 10 == 0)
{
return(await loRaDevice.SaveFrameCountChangesAsync());
}
return(true);
}
internal ScopedDeviceClientConnection(LoRaDevice loRaDevice)
{
if (loRaDevice.KeepAliveTimeout == 0)
{
throw new InvalidOperationException("Scoped device client connection can be created only for devices with a connection timeout");
}
this.loRaDevice = loRaDevice;
}
public async Task When_Incrementing_FcntDown_Should_Save_Frame_Counter()
{
var target = new LoRaDevice("1231", "12312", this.loRaDeviceClient.Object);
this.loRaDeviceClient.Setup(x => x.UpdateReportedPropertiesAsync(It.IsAny <TwinCollection>()))
.ReturnsAsync(true);
Assert.Equal(10, target.IncrementFcntDown(10));
await target.SaveFrameCountChangesAsync();
}
public void When_Device_Out_Of_Time_For_C2D_Receive_Should_Return_TimeSpan_Zero(int delayInMs, int devicePreferredReceiveWindow)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("1111", "2222", null)
{
PreferredWindow = devicePreferredReceiveWindow,
};
Assert.Equal(TimeSpan.Zero, target.GetAvailableTimeToCheckCloudToDeviceMessage(loRaDevice));
}
public void When_ResetFcnt_In_New_Instance_Should_Have_HasFrameCountChanges_False()
{
var target = new LoRaDevice("1231", "12312", new SingleDeviceConnectionManager(this.loRaDeviceClient.Object));
// Setting from 0 to 0 should not trigger changes
target.ResetFcnt();
Assert.False(target.HasFrameCountChanges);
Assert.Equal(0U, target.LastSavedFCntDown);
Assert.Equal(0U, target.LastSavedFCntUp);
}
public void When_In_Time_For_First_Window_But_Device_Preferes_Seconds_Should_Resolve_Window_2(int delayInMs)
{
var target = new LoRaOperationTimeWatcher(RegionManager.EU868, DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMilliseconds(delayInMs)));
var loRaDevice = new LoRaDevice("31312", "312321321", null)
{
PreferredWindow = Constants.RECEIVE_WINDOW_2,
};
Assert.Equal(Constants.RECEIVE_WINDOW_2, target.ResolveReceiveWindowToUse(loRaDevice));
}
public void When_Registering_Existing_Connection_Throws()
{
// arrange
using var cache = new MemoryCache(new MemoryCacheOptions());
using var connectionManager = new LoRaDeviceClientConnectionManager(cache, NullLogger <LoRaDeviceClientConnectionManager> .Instance);
using var loraDevice = new LoRaDevice(null, new DevEui(0), null);
connectionManager.Register(loraDevice, new Mock <ILoRaDeviceClient>().Object);
Assert.Throws <InvalidOperationException>(() => connectionManager.Register(loraDevice, new Mock <ILoRaDeviceClient>().Object));
}
