3/27/2023 0 Comments Http client factoryThe X-Correlation-ID HTTP header from the response should be passed on to the request made using the HttpClient. If the server is logging this information, this can be useful for debugging purposes. Build ( ) ) return new ActiveHandlerTrackingEntry (name, handler, scope, options. The HttpClient should send a User-Agent HTTP header telling the server the name and version of the calling application. var handler = new LifetimeTrackingHttpMessageHandler (builder. Creates a new instance of HttpClientFactory that will set the given proxy on HTTP clients created by this factory. This allows you to "pre-configure" a named of typed HttpClient that is created using the factory, for example to set the base address or add default headers: public void ConfigureServices ( IServiceCollection services ) configure (builder ) // Wrap the handler so we can ensure the inner handler outlives the outer handler. In addition to simply managing the handler lifetimes, IHttpClientFactory also makes it easy to customise the generated HttpClient and message handler pipeline using an IHttpClientBuilder. In reality, it is the lifetime of the HttpClientHandler at the end of the pipeline that is the important thing to manage, as this is the handler that actually makes the connection NET Core 2.1, and solves this issue by separating the management of HttpClient, from the the HttpMessageHandler chain that is used to send the message. This can lead to issues when the DNS record for the HTTP API you're using changes-the changes will not be respected by the HttpClient. Create a singleton HttpClient for the lifetime of the application. This can lead to socket exhaustion due to the TIME_WAIT period required after closing a connection.
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