public void Create_FixedWindow()
{
var options = new FixedWindowRateLimiterOptions(1, QueueProcessingOrder.OldestFirst, 10, TimeSpan.FromMinutes(1), true);
var partition = RateLimitPartition.GetFixedWindowLimiter(1, key => options);
var limiter = partition.Factory(1);
var fixedWindowLimiter = Assert.IsType <FixedWindowRateLimiter>(limiter);
Assert.Equal(options.PermitLimit, fixedWindowLimiter.GetAvailablePermits());
Assert.Equal(options.Window, fixedWindowLimiter.ReplenishmentPeriod);
Assert.False(fixedWindowLimiter.IsAutoReplenishing);
}
/// <summary>
/// Adds a new <see cref="FixedWindowRateLimiter"/> with the given <see cref="FixedWindowRateLimiterOptions"/> to the <see cref="RateLimiterOptions"/>.
/// </summary>
/// <param name="options">The <see cref="RateLimiterOptions"/> to add a limiter to.</param>
/// <param name="policyName">The name that will be associated with the limiter.</param>
/// <param name="configureOptions">A callback to configure the <see cref="FixedWindowRateLimiterOptions"/> to be used for the limiter.</param>
/// <returns>This <see cref="RateLimiterOptions"/>.</returns>
public static RateLimiterOptions AddFixedWindowLimiter(this RateLimiterOptions options, string policyName, Action <FixedWindowRateLimiterOptions> configureOptions)
{
ArgumentNullException.ThrowIfNull(configureOptions);
var key = new PolicyNameKey()
{
PolicyName = policyName
};
var fixedWindowRateLimiterOptions = new FixedWindowRateLimiterOptions();
configureOptions.Invoke(fixedWindowRateLimiterOptions);
// Saves an allocation in GetFixedWindowLimiter, which would have created a new set of options if this was true.
fixedWindowRateLimiterOptions.AutoReplenishment = false;
return(options.AddPolicy(policyName, context =>
{
return RateLimitPartition.GetFixedWindowLimiter(key,
_ => fixedWindowRateLimiterOptions);
}));
}