public void HubAlertEncoder_Encode(HubAlert alert, HubAlertOperation operation, byte payload, string expectedData)
{
// arrange
var message = new HubAlertMessage(alert, operation, payload);
// act
var data = MessageEncoder.Encode(message, null);
// assert
Assert.Equal(expectedData, BytesStringUtil.DataToString(data));
}
public static byte[] Encode(LegoWirelessMessage message, ProtocolKnowledge knowledge)
{
var messageType = message switch
{
HubPropertyMessage msg => MessageType.HubProperties,
HubActionMessage msg => MessageType.HubActions,
HubAlertMessage msg => MessageType.HubAlerts,
HubAttachedIOMessage msg => MessageType.HubAttachedIO,
GenericErrorMessage msg => MessageType.GenericErrorMessages,
PortInformationRequestMessage msg => MessageType.PortInformationRequest,
PortModeInformationRequestMessage msg => MessageType.PortModeInformationRequest,
PortInputFormatSetupSingleMessage msg => MessageType.PortInputFormatSetupSingle,
PortInputFormatSetupCombinedModeMessage msg => MessageType.PortInputFormatSetupCombinedMode,
PortInformationMessage msg => MessageType.PortInformation,
PortModeInformationMessage msg => MessageType.PortModeInformation,
PortValueSingleMessage msg => MessageType.PortValueSingle,
PortValueCombinedModeMessage msg => MessageType.PortValueCombinedMode,
PortInputFormatSingleMessage msg => MessageType.PortInputFormatSingle,
PortInputFormatCombinedModeMessage msg => MessageType.PortInputFormatCombinedMode,
VirtualPortSetupMessage msg => MessageType.VirtualPortSetup,
PortOutputCommandMessage msg => MessageType.PortOutputCommand,
PortOutputCommandFeedbackMessage msg => MessageType.PortOutputCommandFeedback,
_ => throw new NotImplementedException(),
};
var encoder = CreateEncoder(messageType, knowledge);
var contentLength = encoder.CalculateContentLength(message);
var commonHeaderLength = (contentLength + 3 > 127) ? 4 : 3;
byte[] data = new byte[commonHeaderLength + contentLength];
CommonMessageHeaderEncoder.Encode(contentLength, message.HubId, messageType, data.AsSpan().Slice(0, commonHeaderLength));
encoder.Encode(message, data.AsSpan().Slice(commonHeaderLength));
return(data);
}