Class PictureparkRetryHandler

Decorating HttpClientHandler which retries calls when HTTP 429 (Too many requests) is returned

Inheritance
object
HttpMessageHandler
DelegatingHandler
PictureparkRetryHandler
Inherited Members
Namespace: System.Dynamic.ExpandoObject
Syntax
public class PictureparkRetryHandler : DelegatingHandler, IDisposable

Constructors

PictureparkRetryHandler(int)

Initializes a new instance of the PictureparkRetryHandler class to handle throttled requests (HTTP 429 Too many requests). Uses the default HttpClientHandler inner handler.

Declaration
public PictureparkRetryHandler(int maxRetries = 3)
Parameters
int maxRetries

Maximum number of retries before a request is failing.

PictureparkRetryHandler(HttpMessageHandler, int)

Initializes a new instance of the PictureparkRetryHandler class to handle throttled requests (HTTP 429 Too many requests). Adds an inner handler for further processing.

Declaration
public PictureparkRetryHandler(HttpMessageHandler innerHandler, int maxRetries = 3)
Parameters
HttpMessageHandler innerHandler

The inner handler.
int maxRetries

Maximum number of retries before a request is failing.

Methods

SendAsync(HttpRequestMessage, CancellationToken)

Sends an HTTP request to the inner handler to send to the server as an asynchronous operation. Retries the request up to the specified maximum retries when encountering a response with the status code 429.

Declaration
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
Parameters
HttpRequestMessage request

The HTTP request message to send to the server.
CancellationToken cancellationToken

A cancellation token to cancel operation.
Returns
Task<HttpResponseMessage>

Returns Task<TResult>. The task object representing the asynchronous operation.
Overrides
Exceptions
ArgumentNullException

The request was null.