Boost Beast Translation (zh_Hans)/Doc / Qbk / 08 Design / 2 Http Comparison (qbk)

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22 string ID 140
	Source string description type: heading

	English Boost.HTTP 10/10000 · 10
23 string ID 143
	Source string description type: paragraph

	English is a library resulting from the 2014 Google Summer of Code. It was submitted for a Boost formal review and rejected in 2015. It is based on Boost.Asio, and development on the library has continued to the present. As of the branch previously linked, it uses these message declarations: ``` template<class Headers, class Body> struct basic_message { 347/10000 · 347
166 string ID 166
	Source string description type: paragraph

	English private: 8/10000 · 8
170 string ID 170
	Source string description type: paragraph

	English }; 2/10000 · 2
26 string ID 172
	Source string description type: paragraph

	English typedef basic_message<boost::http::headers, std::vector<std::uint8_t>> message; 79/10000 · 79
27 string ID 174
	Source string description type: paragraph

	English template<class Headers, class Body> struct is_message<basic_message<Headers, Body>>: public std::true_type {}; ``` 114/10000 · 114
28 string ID 178
	Source string description type: list

	English * This container cannot model a complete message. The ['start-line] items 73/10000 · 73
29 string ID 193
	Source string description type: list

	English * `headers_`, `body_`, and `trailers_` may only be default-constructed, 71/10000 · 71
30 string ID 196
	Source string description type: list

	English * There is no way to defer the commitment of the [*Body] type to after 70/10000 · 70
31 string ID 200
	Source string description type: list

	English * No stateful allocator support. This follows from the previous limitation 74/10000 · 74
32 string ID 204
	Source string description type: list

	English * The trailers are stored in a separate object. Aside from the combinatorial 76/10000 · 76
33 string ID 212
	Source string description type: list

	English * The declarations imply that `std::vector` is a model of [*Body]. 66/10000 · 66
34 string ID 223
	Source string description type: list

	English * The [*Body] customization point constrains user defined types to 66/10000 · 66
35 string ID 228
	Source string description type: paragraph

	English This representation addresses a narrow range of use cases. It has limited potential for customization and performance. It is more difficult to use because it excludes the start line fields from the model. 205/10000 · 205
36 string ID 234
	Source string description type: heading

	English C++ REST SDK (cpprestsdk) 25/10000 · 25
37 string ID 237
	Source string description type: paragraph

	English is a Microsoft project which ['"...aims to help C++ developers connect to and interact with services"]. It offers the most functionality of the libraries reviewed here, including support for Websocket services using its websocket++ dependency. It can use native APIs such as HTTP.SYS when building Windows based applications, and it can use Boost.Asio. The WebSocket module uses Boost.Asio exclusively. 402/10000 · 402
38 string ID 244
	Source string description type: paragraph

	English As cpprestsdk is developed by a large corporation, it contains quite a bit of functionality and necessarily has more interfaces. We will break down the interfaces used to model messages into more manageable pieces. This is the container used to store the HTTP header fields: ``` class http_headers { public: 307/10000 · 307
254 string ID 254
	Source string description type: paragraph

	English private: 8/10000 · 8
256 string ID 256
	Source string description type: paragraph

	English }; ``` 6/10000 · 6
41 string ID 259
	Source string description type: paragraph

	English This declaration is quite bare-bones. We note the typical problems of most field containers: 92/10000 · 92

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