Allow DecompressionHandler to be trimmed when the application isn't using AutomaticDecompression in HttpClient. #78198
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…sing AutomaticDecompression in HttpClient. This allow for the Brotli compression code to be trimmed in a NativeAOT app that uses HttpClient, which is about 1 MB of size savings on Linux.
eerhardt
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Tagging subscribers to 'size-reduction': @eerhardt, @SamMonoRT, @marek-safar Issue DetailsThis allow for the Brotli and Deflate compression code to be trimmed in a NativeAOT app that uses HttpClient, which is about 1 MB of size savings on Linux. The idea is to make a Delegate that will create the DecompressionHandler object. If no one calls the setter for
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stephentoub
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Nov 11, 2022
stephentoub
reviewed
Nov 11, 2022
| // AutomaticDecompression is not being used. | ||
| private void EnsureDecompressionHandlerFactory() | ||
| { | ||
| _decompressionHandlerFactory ??= (settings, handler) => new DecompressionHandler(settings._automaticDecompression, handler); |
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Nit: just to make sure we don't accidentally create a closure
Suggested change
| _decompressionHandlerFactory ??= (settings, handler) => new DecompressionHandler(settings._automaticDecompression, handler); | |
| _decompressionHandlerFactory ??= static (settings, handler) => new DecompressionHandler(settings._automaticDecompression, handler); |
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This allow for the Brotli and Deflate compression code to be trimmed in a NativeAOT app that uses HttpClient, which is about 1 MB of size savings on Linux.
The idea is to make a Delegate that will create the DecompressionHandler object. If no one calls the setter for
SocketsHttpHandler.AutomaticDecompression, then the Delegate staysnulland theDecompressionHandlerclass and its dependencies can be trimmed.