public static ISegmentBuildDefinition WithOptions(this ISegmentBuildDefinition builder, SegmentionOptions options)
{
if (!(builder is SegmentBuildDefinition def))
{
throw new NotSupportedException($"{builder.GetType()} is not supported");
}
def.Options = options;
return(builder);
}
public static ISegmentBuildDefinition WithMaxLength(this ISegmentBuildDefinition builder, long maxLength)
{
if (!(builder is SegmentBuildDefinition def))
{
throw new NotSupportedException($"{builder.GetType()} is not supported");
}
if (def.Length.HasValue)
{
throw new NotSupportedException("May not set end byte if using length");
}
def.MaxLength = maxLength == 0 ? (long?)null : maxLength;
return(builder);
}
public static ISegmentBuildDefinition AndEndsWith(this ISegmentBuildDefinition builder, byte end)
{
if (!(builder is SegmentBuildDefinition def))
{
throw new NotSupportedException($"{builder.GetType()} is not supported");
}
if (def.Length.HasValue)
{
throw new NotSupportedException("May not set end byte if using length");
}
def.EndsWith = end;
return(builder);
}
public StreamDevice(
IDeviceAdapter adapter,
IDeviceDefinition device,
CancellationToken token = default,
int minimumTrasmissionDelay = 1000 //TODO should this default be overideable from the devicedefinition or it's attributes?
)
{
_tokenSource = CancellationTokenSource.CreateLinkedTokenSource(token);
_token = _tokenSource.Token;
_adapter = adapter;
_device = device;
_minimumTrasmissionDelay = minimumTrasmissionDelay;
Task?messageReceiver = null;
Task?messageTransmitter = null;
Task?deviceInitializer = null;
var mre = new AsyncManualResetEvent();
if (_device is IDeviceDefinitionInitialize)
{
mre.Reset();
deviceInitializer = Initializer(mre);
}
else
{
//Assumed to start in set state but just be sure anyway
mre.Set();
}
if (_device is IDeviceDefinitionReceiver <TMessage> receiver)
{
_decoder = receiver.Decoder;
_segmentDefintion = receiver.SegmentDefintion;
messageReceiver = Receiver(mre);
}
if (_device is IDeviceDefinitionTransmitter <TMessage> transmitter)
{
_encoder = transmitter.Encoder;
messageTransmitter = Transmitter(mre);
}
Runner = Task.WhenAll(
deviceInitializer ?? Task.FromResult(0),
messageReceiver ?? Task.FromResult(0),
messageTransmitter ?? Task.FromResult(0)
);
}
public static ISegmentBuildDefinition ExtendedWithLengthAt <TOfType>(this ISegmentBuildDefinition builder, long position, Endianness endianness)
where TOfType : unmanaged
{
if (!(builder is SegmentBuildDefinition def))
{
throw new NotSupportedException($"{builder.GetType()} is not supported");
}
if (!def.Length.HasValue)
{
throw new NotSupportedException("Must start with fixed length");
}
unsafe
{
def.ExtensionDefinition = new SegmentExtensionDefinition(type: typeof(TOfType), length: sizeof(TOfType), postion: position, endianness: endianness);
}
return(builder);
}
public static ISegmenter ThenDo(this ISegmentBuildDefinition builder, OnSegmentReceived onSegmentReceived)
{
if (!(builder is SegmentBuildDefinition def))
{
throw new NotSupportedException($"{builder.GetType()} is not supported");
}
ISegmenter?built =
def.EndsWith.HasValue ? (ISegmenter) new BetweenSegmenter(onSegmentReceived, def.StartsWith, def.EndsWith.Value, def.MaxLength, def.Options) :
def.Length.HasValue ? new StartAndFixLengthSegmenter(onSegmentReceived, def.StartsWith, def.Length.Value, def.Options, def.ExtensionDefinition) :
null;
if (built == null)
{
throw new NotSupportedException("Unable to Build Segmenter");
}
return(built);
}
public static ISegmentBuildDefinition AndEndsWith(this ISegmentBuildDefinition builder, ControlCharacters end)
{
return(AndEndsWith(builder, (byte)end));
}
public static ISegmenter ThenDo(this ISegmentBuildDefinition builder, OnSegmentReceived onSegmentReceived) =>
builder switch
{
