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* `m` is an instance of an HTTP message container
* `m` is an instance of an HTTP message container是 HTTP 消息容器的一个实例
06/20/2026
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In this section we describe the problem of modeling HTTP messages and explain how the library arrived at its solution, with a discussion of the benefits and drawbacks of the design choices. The goal for creating a message model is to create a container with value semantics, possibly movable and/or copyable, that contains all the information needed to serialize, or all of the information captured during parsing. More formally, given:
In this section we describe the problem of modeling HTTP messages and explain how the library arrived at its solution, with a discussion of the benefits and drawbacks of the design choices. The goal for creating a message model is to create a container with value semantics, possibly movable and/or copyable, that contains all the information needed to serialize, or all of the information captured during parsing. More formally, given:在本节中，我们将探讨 HTTP 消息建模所面临的挑战，并阐述该库是如何推导出最终解决方案的，同时也会深入剖析这些设计选择的利弊。构建消息模型的核心目标，是打造一个具备值语义（value semantics）的容器（支持移动和/或复制），使其能够囊括序列化所需的全部信息，或是完整保留解析过程中捕获的所有数据。从更严谨的层面来说，给定：
06/20/2026
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The following video presentation was delivered at [@https://cppcon.org/ CppCon] in 2017. The presentation provides a simplified explanation of the design process for the HTTP message container used in Beast. The slides and code used are available in the [@https://github.com/vinniefalco/CppCon2017 GitHub repository].
The following video presentation was delivered at [@https://cppcon.org/ CppCon] in 2017. The presentation provides a simplified explanation of the design process for the HTTP message container used in Beast. The slides and code used are available in the以下视频演示是在 2017 年的 [@https://cppcon.org/ CppCon] 上发表的。该演示简要介绍了 Beast 中使用的 HTTP 消息容器的设计过程。演示所用的幻灯片和代码可在 [@https://github.com/vinniefalco/CppCon2017 GitHub repository].仓库] 中找到。
06/20/2026
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HTTP Message Container __video__
HTTP Message Container消息容器 __video__
06/20/2026
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Translation completed 06/20/2026
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The following video presentation was delivered at [@https://cppcon.org/ CppCon] in 2016. It provides a light introduction to some of the earliest interfaces of Beast (which have since changed).
The following video presentation was delivered at [@https://cppcon.org/ CppCon] in 2016. It provides a light introduction to some of the earliest interfaces of Beast (which have since changed).以下视频演示是在 2016 年的 [@https://cppcon.org/ CppCon] 上发表的。它简要介绍了 Beast 的一些早期接口（这些接口此后已发生变化）。
06/20/2026
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* Allow for customizations, if the user needs it.
* Allow for customizations, if the user needs it.允许用户根据需要进行自定义。
06/20/2026
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* Stay low level; don't invent a whole web server or client.
* Stay low level; don't invent a whole web server or client.保持底层；不要重新发明一整套 Web 服务器或客户端。
06/20/2026
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* Keep it simple.
* Keep it simple.保持简单。
06/20/2026
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For HTTP we model the message to maximize flexibility of implementation strategies while allowing familiar verbs such as [*`read`] and [*`write`]. The HTTP interface is further driven by the needs of the WebSocket module, as a WebSocket session requires a HTTP Upgrade handshake exchange at the start. Other design goals:
For对于 HTTP we model the message to maximize flexibility of implementation strategies while allowing familiar verbs such as，我们对消息进行建模，以最大限度地提高实现策略的灵活性，同时允许使用诸如 [*`read`] and和 [*`write`]. The HTTP interface is further driven by the needs of the WebSocket module, as a WebSocket session requires a HTTP Upgrade handshake exchange at the start. Other design goals: 等熟悉的动词。HTTP 接口的设计还进一步受 WebSocket 模块需求的驱动，因为 WebSocket 会话在开始时需要一次 HTTP 升级握手交换。其他设计目标：
06/20/2026
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During the development of Beast the authors have studied other software packages and in particular the comments left during the Boost Review process of other packages offering similar functionality. In this section and the FAQs that follow we attempt to answer those questions that are also applicable to Beast.
During the development of Beast the authors have studied other software packages and in particular the comments left during the Boost Review process of other packages offering similar functionality. In this section and the FAQs that follow we attempt to answer those questions that are also applicable to Beast.在开发 Beast 的过程中，作者研究了其他软件包，特别是针对其他提供类似功能的软件包在 Boost 审查过程中留下的评论。在本节以及随后的常见问题解答（FAQs）中，我们将尝试回答那些同样适用于 Beast 的问题。
06/20/2026
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Beast uses the __DynamicBuffer__ concept presented in the __NetTS__, and relies heavily on the __ConstBufferSequence__ and __MutableBufferSequence__ concepts for passing buffers to functions. The authors have found the dynamic buffer and buffer sequence interfaces to be optimal for interacting with Asio, and for other tasks such as incremental parsing of data in buffers (for example, parsing websocket frames stored in a [link beast.ref.boost__beast__static_buffer `static_buffer`]).
Beast uses the __DynamicBuffer__ concept presented in the __NetTS__, and relies heavily on the __采用了 NetTS 中提出的 DynamicBuffer 概念，并高度依赖 ConstBufferSequence__ and __ 和 MutableBufferSequence__ concepts for passing buffers to functions. The authors have found the dynamic buffer and buffer sequence interfaces to be optimal for interacting with Asio, and for other tasks such as incremental parsing of data in buffers (for example, parsing websocket frames stored in a 概念来向函数传递缓冲区。作者发现，动态缓冲区和缓冲区序列接口不仅非常适合与 Asio 交互，也非常适合其他任务，例如对缓冲区中的数据进行增量解析（比如解析存储在 [link beast.ref.boost__beast__static_buffer `static_buffer`]). 中的 WebSocket 帧）。
06/20/2026
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* Leave important decisions, such as allocating memory or
* Leave important decisions, such as allocating memory or将重要决策权（如内存分配或
06/20/2026
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* Role-symmetric interfaces; client and server the same (or close to it).
* Role-symmetric interfaces; client and server the same (or close to it).角色对称的接口；客户端与服务端一致（或高度相似）。
06/20/2026
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* Mimic __Asio__; familiarity breeds confidence.
* Mimic __Asio__; familiarity breeds confidence.模仿 Asio；熟悉感带来信心。
06/20/2026
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* Don't sacrifice performance.
* Don't sacrifice performance.绝不牺牲性能。
06/20/2026
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* Don't try to do too much.
* Don't try to do too much.不要试图包揽过多功能。
06/20/2026
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The implementations were originally driven by business needs of cryptocurrency server applications (e.g. [@https://github.com/ripple/rippled rippled]), written in C++. These needs were not met by existing solutions so Beast was written from scratch as a solution. Beast's design philosophy avoids flaws exhibited by other libraries:
The implementations were originally driven by business needs of cryptocurrency server applications (e.g. [@https://github.com/ripple/rippled rippled]), written in C++. These needs were not met by existing solutions so Beast was written from scratch as a solution. Beast's design philosophy avoids flaws exhibited by other libraries:这些实现最初是由加密货币服务器应用（例如 [rippled](https://github.com/ripple/rippled)）的业务需求驱动的，使用 C++ 编写。由于现有方案无法满足这些需求，因此从零开始编写了 Beast 作为解决方案。Beast 的设计哲学避免了其他库所表现出的缺陷：
06/20/2026
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Design Choices
Design Choices设计选择
06/19/2026

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