37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
using MessagePack;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Galaxy.Shared.Contracts;
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/// <summary>
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/// First frame of every connection. Advertises protocol major/minor and the peer's feature set.
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/// Major mismatch is fatal; minor is advisory. Per Task A.3.
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/// </summary>
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[MessagePackObject]
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public sealed class Hello
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{
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public const int CurrentMajor = 1;
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public const int CurrentMinor = 0;
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[Key(0)] public int ProtocolMajor { get; set; } = CurrentMajor;
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[Key(1)] public int ProtocolMinor { get; set; } = CurrentMinor;
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[Key(2)] public string PeerName { get; set; } = string.Empty;
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/// <summary>Per-process shared secret — verified on the Host side against the value passed by the supervisor at spawn time.</summary>
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[Key(3)] public string SharedSecret { get; set; } = string.Empty;
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[Key(4)] public string[] Features { get; set; } = System.Array.Empty<string>();
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}
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[MessagePackObject]
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public sealed class HelloAck
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{
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[Key(0)] public int ProtocolMajor { get; set; } = Hello.CurrentMajor;
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[Key(1)] public int ProtocolMinor { get; set; } = Hello.CurrentMinor;
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/// <summary>True if the server accepted the hello; false + <see cref="RejectReason"/> filled if not.</summary>
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[Key(2)] public bool Accepted { get; set; }
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[Key(3)] public string? RejectReason { get; set; }
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[Key(4)] public string HostName { get; set; } = string.Empty;
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}
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