a55153d7d5
Separates ApplicationUri from namespace identity so each instance in a redundant pair has a unique server URI while sharing the same Galaxy namespace. Exposes RedundancySupport, ServerUriArray, and dynamic ServiceLevel through the standard OPC UA server object. ServiceLevel is computed from role (Primary/Secondary) and runtime health (MXAccess and DB connectivity). Adds CLI redundancy command, second deployed service instance, and 31 new tests including paired-server integration. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using System;
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using Opc.Ua;
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using Serilog;
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namespace ZB.MOM.WW.LmxOpcUa.Host.OpcUa
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{
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/// <summary>
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/// Maps a configured redundancy mode string to the OPC UA <see cref="RedundancySupport"/> enum.
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/// </summary>
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public static class RedundancyModeResolver
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{
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private static readonly ILogger Log = Serilog.Log.ForContext(typeof(RedundancyModeResolver));
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/// <summary>
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/// Resolves the configured mode string to a <see cref="RedundancySupport"/> value.
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/// Returns <see cref="RedundancySupport.None"/> when redundancy is disabled or the mode is unrecognized.
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/// </summary>
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/// <param name="mode">The mode string from configuration (e.g., "Warm", "Hot").</param>
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/// <param name="enabled">Whether redundancy is enabled.</param>
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/// <returns>The resolved redundancy support mode.</returns>
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public static RedundancySupport Resolve(string mode, bool enabled)
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{
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if (!enabled)
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return RedundancySupport.None;
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var resolved = (mode ?? "").Trim().ToLowerInvariant() switch
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{
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"warm" => RedundancySupport.Warm,
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"hot" => RedundancySupport.Hot,
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_ => RedundancySupport.None
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};
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if (resolved == RedundancySupport.None)
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{
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Log.Warning("Unknown redundancy mode '{Mode}' — falling back to None. Supported modes: Warm, Hot", mode);
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}
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return resolved;
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}
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}
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}
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