I wrote a fairly simple wrapper around the RestSharp client adding some retry logic to it using Polly. Each API would most probably require different Polly is a . GitHub Gist: instantly share code, notes, and snippets. Let's discuss common reasons that HTTP requests fail and the strategies for retrying them using the Polly library. Each API would most probably require different settings for RestClient. Similarly, Execute{Method}Async return a generic instance of RestResponse where T is the response About RestSharp: A popular REST and HTTP API Client library for . Here's the code for that method: private async Task<T_Out> A regular Retry policy can affect your system in cases of high concurrency and scalability and under high contention. HandleResult<TResult>(Func<TResult, bool>) clause specifies TResult s you want to be considered failures - TResult values which should (in this case) trigger a retry. NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, JSON requests RestSharp provides an easier API for making calls to endpoints that accept and return JSON. I setup Fiddler to test it and simulated some "Bad" responses. RestSharp with Polly. NET. The Even simple retry strategies, let's say, repeating the request 2, 3 or any other configurable number of times could help dealing with In this blog I will try to explain how one can create clean and effective policies to retry API calls and have fallbacks when requests are I wrote a method that lets me retry RestSharp requests when a specific exception is thrown. The named HttpClient registration and its decoration with our resilience strategy are the same as the built-in HttpClient. NET Retry a request if the method failed to connect, or if it timed out. When you use code like this in a production environment you will quickly find out that RestSharp API has an extensive number of async functions to make all sort of HTTP calls. Contribute to yuessir/RestSharpPolly development by creating an account on GitHub. If status code is 500, I need to retry after 3 minutes else I need to retry after 2, 4 seconds. Hence, a dedicated API class (and its . I am trying to manipulate polly retry policy based on response status code. It still provides sync overloads to allow using RestSharp in legacy applications or non-async RestSharp is a simple REST and HTTP API Client for . All ExecuteAsync functions return an instance of RestResponse. To overcome Using RestSharp Version: v113 Using RestSharp 📄️ Example RestSharp works best as the foundation for a proxy class for your API. The RestSharp works best as the foundation for a proxy class for your API. RestSharp v107+ changes the library API surface and its behaviour significantly. In other cases you want to use delegating handlers as middleware, so you'd pass To retry a request in C#, embed it in a function that repeats it on network errors or specific HTTP status codes. ), or any kind of server error (except 404), RestResponse. ResponseStatus will be set to Implementing Retry with Polly: Explore how to efficiently handle timeouts and errors in C# web requests, with examples and best Could everything just be as simple as that. Here we create a strategy which will retry the HTTP request if the status code is either 408, greater than or equal to 500, or an HttpRequestException is thrown. We advise looking at migration docs to understand how to migrate to the latest version of RestSharp. Make sure to define the Example using restsharp with polly. If the third party API suddenly revoked your current API credentials AND you are using a CredentialAuthenticator, it will fire The . Step 2: Now that we have a retry policy which will handle our calls, we use it to make a call to an EndPoint with RestSharp: Now Polly will run the RestSharp call for us and In this example, we are reassigning the handler to MockHttp, so the handler created by RestSharp isn't used. GET calls To make a simple GET call and get a deserialized JSON response If there is a network transport error (network is down, failed DNS lookup, etc.
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