public TracingMiddleware(
[NotNull] RequestDelegate next,
[NotNull] IOptions <TracingSettings> options,
[NotNull] ITracer tracer)
{
this.next = next ?? throw new ArgumentNullException(nameof(next));
this.options = (options ?? throw new ArgumentNullException(nameof(options))).Value;
this.tracer = tracer ?? throw new ArgumentNullException(nameof(tracer));
}
public SubscriberSettings Create(MqConnectionSettings mqConnectionSettings)
{
return(new SubscriberSettings(
mqConnectionSettings,
SubscriberName,
QueueName,
(Bindings ?? Enumerable.Empty <ExchangeBindingDto>()).Select(b => b.Create()),
Arguments,
UseModelTypeAsSuffix,
ConsumerName,
Durable,
Exclusive,
AutoDelete,
AutoAck,
UseDeadLetter,
UsePublisherConfirms,
TracingSettings?.Create(),
RetrySettings?.Create(),
ScalingSettings?.Create()
));
}
/// <summary>
/// Получить или сгенерировать TraceId и установить контекст трейсинга.
/// </summary>
/// <param name="properties">Метаданные сообщения.</param>
/// <param name="settings">Настройки трейсинга.</param>
/// <param name="logger">Логгер.</param>
/// <param name="stubMessage">TraceId из тела сообщения.</param>
/// <param name="loggingScope">Скоуп.</param>
/// <returns>Идентификатор отслеживания.</returns>
public static void EnsureTraceId(
this IBasicProperties properties,
TracingSettings settings,
ILogger logger,
ref StubMessage stubMessage,
Dictionary <string, object?> loggingScope
)
{
if (!TryGetTraceInfo(properties, stubMessage.TraceId, out var traceId, out var traceIdSource))
{
if (settings.GenerateIfNotPresent)
{
traceId = Guid.NewGuid();
if (settings.LogWhenGenerated)
{
using (logger.BeginScope(loggingScope))
{
logger.LogInformation("TraceId не указан. Сгенерирован новый {TraceId}.", traceId);
}
}
}
}
TraceContext.Create(traceId, traceIdSource);
loggingScope["TraceId"] = traceId;
loggingScope["TraceIdSource"] = traceIdSource;
properties.AddTraceId();
if (traceId.HasValue)
{
stubMessage.TraceId = traceId.Value;
}
}
