/// <summary>
/// Send a HTTP request
/// </summary>
/// <param name="httpRequest">The HTTP request<see cref="HttpRequestMessage"/>needs to be sent.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the request.</param>
/// <returns></returns>
protected async override Task <HttpResponseMessage> SendAsync(HttpRequestMessage httpRequest, CancellationToken cancellationToken)
{
RetryOption = httpRequest.GetMiddlewareOption <RetryHandlerOption>() ?? RetryOption;
var response = await base.SendAsync(httpRequest, cancellationToken);
// Check whether retries are permitted and that the MaxRetry value is a non - negative, non - zero value
if (ShouldRetry(response) && httpRequest.IsBuffered() && RetryOption.MaxRetry > 0 && RetryOption.ShouldRetry(RetryOption.Delay, 0, response))
{
response = await SendRetryAsync(response, cancellationToken);
}
return(response);
}
/// <summary>
/// Construct a new <see cref="RetryHandler"/>
/// </summary>
/// <param name="innerHandler">An HTTP message handler to pass to the <see cref="HttpMessageHandler"/> for sending requests.</param>
/// <param name="retryOption">An OPTIONAL <see cref="Microsoft.Graph.RetryHandlerOption"/> to configure <see cref="RetryHandler"/></param>
public RetryHandler(HttpMessageHandler innerHandler, RetryHandlerOption retryOption = null)
: this(retryOption)
{
InnerHandler = innerHandler;
}
/// <summary>
/// Construct a new <see cref="RetryHandler"/>
/// </summary>
/// <param name="retryOption">An OPTIONAL <see cref="Microsoft.Graph.RetryHandlerOption"/> to configure <see cref="RetryHandler"/></param>
public RetryHandler(RetryHandlerOption retryOption = null)
{
RetryOption = retryOption ?? new RetryHandlerOption();
}