/// <summary>
/// Creates a new <see cref="RequestThrottlingMiddleware"/>.
/// </summary>
/// <param name="next">The <see cref="RequestDelegate"/> representing the next middleware in the pipeline.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/> used for logging.</param>
/// <param name="queue">The queueing strategy to use for the server.</param>
/// <param name="options">The options for the middleware, currently containing the 'OnRejected' callback.</param>
public RequestThrottlingMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, IQueuePolicy queue, IOptions <RequestThrottlingOptions> options)
{
if (options.Value.OnRejected == null)
{
throw new ArgumentException("The value of 'options.OnRejected' must not be null.", nameof(options));
}
_next = next;
_logger = loggerFactory.CreateLogger <RequestThrottlingMiddleware>();
_onRejected = options.Value.OnRejected;
_queuePolicy = queue;
}
public static ConcurrencyLimiterMiddleware CreateTestMiddleware(IQueuePolicy queue = null, RequestDelegate onRejected = null, RequestDelegate next = null)
{
var options = Options.Create(new ConcurrencyLimiterOptions
{
OnRejected = onRejected ?? (context => Task.CompletedTask),
});
return(new ConcurrencyLimiterMiddleware(
next: next ?? (context => Task.CompletedTask),
loggerFactory: NullLoggerFactory.Instance,
queue: queue ?? CreateQueuePolicy(1, 0),
options: options
));
}
public static RequestThrottlingMiddleware CreateTestMiddleware(IQueuePolicy queue = null, RequestDelegate onRejected = null, RequestDelegate next = null)
{
var options = Options.Create(new RequestThrottlingOptions
{
OnRejected = onRejected ?? (context => Task.CompletedTask),
});
return(new RequestThrottlingMiddleware(
next: next ?? (context => Task.CompletedTask),
loggerFactory: NullLoggerFactory.Instance,
queue: queue ?? CreateTailDropQueue(1, 0),
options: options
));
}