How to use RateLimiter to call api?

[inventivethinking11]

The example does not fit well with the actual API calling. In the scenario where API limits 5 calls per second but itself responds back in 3-4 seconds the example code just performs one call per second since its waiting for previous call to finish. How can I remedy it.

Example code

`

        //Create Time constraint: max five times by second
        var timeconstraint = TimeLimiter.GetFromMaxCountByInterval(5, TimeSpan.FromSeconds(1));
        //Use it
        for (int i = 0; i < 1000; i++)
        {
            await timeconstraint.Perform(ConsoleIt);
        }

      
    private async Task ConsoleIt()
    {
        Console.WriteLine(string.Format("{0:MM/dd/yyy HH:mm:ss.fff}", DateTime.Now));
        await Task.Delay(3000); //simulate api call made and waiting for response. 
    }`

[David-Desmaisons]

You do not need to wait for the call completion:

for (int i = 0; i < 1000; i++)
        {
            await timeconstraint.Perform(ConsoleIt);
        }

 private void ConsoleIt()
    {
        Console.WriteLine(string.Format("{0:MM/dd/yyy HH:mm:ss.fff}", DateTime.Now));
        Thread.Sleep(3000); //simulate api call made and waiting for response. 
    }`

[inventivethinking11]

Thanks for the response.

But this does not seem to solve the problem. If you happen to execute this code, the system only makes a single call and waits until that finishes and starts next call.

`
public async Task Start()
{

        //Create Time constraint: max five times by second
        var timeconstraint = TimeLimiter.GetFromMaxCountByInterval(5, TimeSpan.FromSeconds(1));
        //Use it
        for (int i = 0; i < 1000; i++)
        {
            await timeconstraint.Perform(ConsoleIt);
        }

        return true;
    }
    private Task ConsoleIt()
    {
        Console.WriteLine(string.Format("{0:MM/dd/yyy HH:mm:ss.fff}", DateTime.Now));
        Thread.Sleep(3000); //simulate api call made and waiting for response. 
        Console.WriteLine("Finished");
        return Task.FromResult(0);

    }

`

[David-Desmaisons]

Note that in my example, I was using a signature with a void return and not a Task, this is key here not to wait to the completion of the task.
So:

for (int i = 0; i < 1000; i++)
        {
            await timeconstraint.Perform(ConsoleIt);
        }

 private void ConsoleIt()
    {
        Task.Run(() => {
         Console.WriteLine(string.Format("{0:MM/dd/yyy HH:mm:ss.fff}", DateTime.Now));
        Thread.Sleep(3000); //simulate api call made and waiting for response. 
     });
}

[inventivethinking11]

Oh you are right. I didn't notice, that solved the issue.

Thanks!