Joseph Doherty
41 lines
1.6 KiB
C#
41 lines
1.6 KiB
C#
namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy;
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/// <summary>
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/// Wire-layer abstraction over a single PCCC tag. Mirrors <c>IAbCipTagRuntime</c>'s shape so
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/// the same test-fake pattern applies; the only meaningful difference is the protocol layer
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/// underneath (<c>ab_pccc</c> vs <c>ab_eip</c>).
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/// </summary>
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public interface IAbLegacyTagRuntime : IDisposable
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{
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Task InitializeAsync(CancellationToken cancellationToken);
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Task ReadAsync(CancellationToken cancellationToken);
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Task WriteAsync(CancellationToken cancellationToken);
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int GetStatus();
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object? DecodeValue(AbLegacyDataType type, int? bitIndex);
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void EncodeValue(AbLegacyDataType type, int? bitIndex, object? value);
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/// <summary>
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/// PR 7 — decode element <paramref name="elementIndex"/> of an N-element contiguous
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/// block read. Implementations call the same per-element accessors used by
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/// <see cref="DecodeValue"/> at offset <c>elementIndex × elementBytes</c>. Default
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/// implementation throws so existing fakes that don't override remain explicit.
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/// </summary>
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object? DecodeArrayElement(AbLegacyDataType type, int elementIndex)
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=> throw new NotSupportedException(
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"Array decoding requires an IAbLegacyTagRuntime that overrides DecodeArrayElement.");
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}
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public interface IAbLegacyTagFactory
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{
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IAbLegacyTagRuntime Create(AbLegacyTagCreateParams createParams);
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}
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public sealed record AbLegacyTagCreateParams(
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string Gateway,
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int Port,
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string CipPath,
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string LibplctagPlcAttribute,
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string TagName,
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TimeSpan Timeout,
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int ElementCount = 1);
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