22 lines
1.2 KiB
Markdown
22 lines
1.2 KiB
Markdown
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<span class="tag">[:octicons-feed-tag-16: v0.3](https://github.com/CrowCpp/Crow/releases/v0.3)</span>
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Crow supports Zlib compression using Gzip or Deflate algorithms.
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## HTTP Compression
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HTTP compression is by default disabled in crow. Do the following to enable it: <br>
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- Define `CROW_ENABLE_COMPRESSION` in your compiler definitions (`g++ main.cpp -DCROW_ENABLE_COMPRESSION` for example) or `set(CROW_FEATURES compression)` in `CMakeLists.txt`.
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- Call `#!cpp use_compression(crow::compression::algorithm)` on your Crow app.
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- When compiling your application, make sure that ZLIB is included as a dependency. Either through `-lz` compiler argument or `find_package(ZLIB)` in CMake.
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!!! note
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3<sup>rd</sup> point is not needed for MSVC or CMake projects using `Crow::Crow` since `vcpkg.json` and Crow's target already include zlib as a dependency.
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For the compression algorithm you can use `crow::compression::algorithm::DEFLATE` or `crow::compression::algorithm::GZIP`.<br>
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And now your HTTP responses will be compressed.
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## Websocket Compression
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Crow currently does not support Websocket compression.<br>
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Feel free to discuss the subject with us on GitHub if you're feeling adventurous and want to try to implement it. We appreciate all the help.
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