91 lines
3.5 KiB
C#
91 lines
3.5 KiB
C#
using CliFx.Attributes;
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using CliFx.Infrastructure;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Driver.Cli.Common;
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namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Cli.Commands;
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/// <summary>
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/// Watch a PCCC file address via polled subscription until Ctrl+C. Mirrors the Modbus /
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/// AB CIP subscribe shape — PollGroupEngine handles the tick loop.
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/// </summary>
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[Command("subscribe", Description = "Watch a PCCC file address via polled subscription until Ctrl+C.")]
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public sealed class SubscribeCommand : AbLegacyCommandBase
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{
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[CommandOption("address", 'a', Description = "PCCC file address — same format as `read`.", IsRequired = true)]
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public string Address { get; init; } = default!;
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[CommandOption("type", 't', Description =
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"Bit / Int / Long / Float / AnalogInt / String / TimerElement / CounterElement / " +
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"ControlElement (default Int).")]
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public AbLegacyDataType DataType { get; init; } = AbLegacyDataType.Int;
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[CommandOption("interval-ms", 'i', Description =
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"Publishing interval in milliseconds (default 1000).")]
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public int IntervalMs { get; init; } = 1000;
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[CommandOption("deadband-absolute", Description =
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"PR 8 — absolute change filter. Suppress notifications until |new - prev| >= this value. " +
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"Booleans bypass; strings + status changes always publish.")]
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public double? DeadbandAbsolute { get; init; }
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[CommandOption("deadband-percent", Description =
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"PR 8 — percent-of-previous change filter. Suppress notifications until " +
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"|new - prev| >= |prev * pct / 100|. prev=0 always publishes.")]
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public double? DeadbandPercent { get; init; }
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public override async ValueTask ExecuteAsync(IConsole console)
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{
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ConfigureLogging();
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var ct = console.RegisterCancellationHandler();
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var tagName = ReadCommand.SynthesiseTagName(Address, DataType);
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var tag = new AbLegacyTagDefinition(
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Name: tagName,
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DeviceHostAddress: Gateway,
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Address: Address,
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DataType: DataType,
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Writable: false,
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AbsoluteDeadband: DeadbandAbsolute,
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PercentDeadband: DeadbandPercent);
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var options = BuildOptions([tag]);
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await using var driver = new AbLegacyDriver(options, DriverInstanceId);
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ISubscriptionHandle? handle = null;
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try
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{
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await driver.InitializeAsync("{}", ct);
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driver.OnDataChange += (_, e) =>
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{
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var line = $"[{DateTime.UtcNow:HH:mm:ss.fff}] " +
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$"{e.FullReference} = {SnapshotFormatter.FormatValue(e.Snapshot.Value)} " +
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$"({SnapshotFormatter.FormatStatus(e.Snapshot.StatusCode)})";
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console.Output.WriteLine(line);
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};
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handle = await driver.SubscribeAsync([tagName], TimeSpan.FromMilliseconds(IntervalMs), ct);
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await console.Output.WriteLineAsync(
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$"Subscribed to {Address} @ {IntervalMs}ms. Ctrl+C to stop.");
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try
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{
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await Task.Delay(System.Threading.Timeout.InfiniteTimeSpan, ct);
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}
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catch (OperationCanceledException)
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{
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// Expected on Ctrl+C.
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}
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}
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finally
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{
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if (handle is not null)
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{
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try { await driver.UnsubscribeAsync(handle, CancellationToken.None); }
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catch { /* teardown best-effort */ }
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}
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await driver.ShutdownAsync(CancellationToken.None);
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}
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}
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}
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