CODEWITHSUNDEEP
c#.netstatic.net-4.0httpclient
gdp
gdp

Reputation: 8242

Reusing 'HttpClient' efficiently in a static class

I am recreating an instance of HttpClient in each of my static request methods but have read that it is preferable (in most situations) to reuse an HttpClient instance.

What is the preferred/recommended way to reuse HttpClient instances in a static class?

Upvotes: 1

Views: 4571

Answers (2)

AndrewThompson
AndrewThompson

Reputation: 452

My understanding is that you can initialise HTTP Client and reuse that instance as long as you call it publicly it will be thread-safe see he thread safety section here https://msdn.microsoft.com/en-us/library/system.net.servicepointmanager.dnsrefreshtimeout(v=vs.110).aspx If you create a new HTTPClient call each time all you are doing is opening up multuiple sockets. This post (and the associated comments) tackles the topic very succinctly. https://aspnetmonsters.com/2016/08/2016-08-27-httpclientwrong/

Upvotes: 0

Jon
Jon

Reputation: 437424

Since your request methods are static, the HttpClient must also be a static member of the class in order to be reused (or some moral equivalent).

You could also decide to add more abstraction here, e.g. instead of grabbing a static field use a private static getter method; this allows you to centrally decide if the HttpClient should be reused or another instance returned on a per-call basis.

Upvotes: 1

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