Joseph Doherty
28 lines
1.4 KiB
C#
28 lines
1.4 KiB
C#
using ZB.MOM.WW.Configuration;
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namespace ZB.MOM.WW.ScadaBridge.NotificationService;
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/// <summary>
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/// Validates <see cref="NotificationOptions"/> at startup. The values are the SMTP fallback used
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/// by the central Email delivery adapter when the deployed <c>SmtpConfiguration</c> leaves the
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/// corresponding field unset: <see cref="NotificationOptions.ConnectionTimeoutSeconds"/> becomes an
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/// SMTP connect timeout and <see cref="NotificationOptions.MaxConcurrentConnections"/> caps the
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/// connection pool — a non-positive value there is not a usable fallback. Registered with
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/// <c>ValidateOnStart()</c> so a bad <c>ScadaBridge:Notification</c> section fails fast at boot with
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/// a clear, key-naming message.
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/// </summary>
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public sealed class NotificationOptionsValidator : OptionsValidatorBase<NotificationOptions>
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{
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/// <inheritdoc />
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protected override void Validate(ValidationBuilder builder, NotificationOptions options)
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{
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builder.RequireThat(options.ConnectionTimeoutSeconds > 0,
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$"ScadaBridge:Notification:ConnectionTimeoutSeconds must be greater than zero " +
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$"(was {options.ConnectionTimeoutSeconds}); it is the SMTP connect-timeout fallback.");
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builder.RequireThat(options.MaxConcurrentConnections > 0,
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$"ScadaBridge:Notification:MaxConcurrentConnections must be greater than zero " +
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$"(was {options.MaxConcurrentConnections}); it caps the SMTP connection pool.");
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}
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}
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