User avatar Bstran

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An algorithm should never depend on the way that incoming or outgoing
An algorithm should never depend on the way that incoming or outgoing算法不应依赖入站或出站消息的帧结构方式。
06/18/2026
User avatar Bstran

Translation changed
The boundaries between frames of a multi-frame message are not not considered part of the message. Intermediaries such as proxies which forward the websocket traffic are free to "reframe" (split frames and combine them) the message in arbitrary ways. These intermediaries include Beast, which can reframe messages automatically in some cases depending on the options set on the stream.
The boundaries between frames of a multi-frame message are not not considered part of the message. Intermediaries such as proxies which forward the webs多帧消息中，各帧的边界不属于消息内容的一部分。像代理这类转发 WebSocket traffic are free to "reframe" (split frames and combine them) the message in arbitrary ways. These intermediaries include Beast, which can reframe messages automatically in some cases depending on the options set on the stream.流量的中间节点，可以自由地对消息进行“重帧处理”（即拆分或合并帧）。Beast 也属于这类中间节点，它会根据流上配置的选项，在某些场景下自动重帧消息。
06/18/2026
User avatar Bstran

Translation changed
Once a websocket session is established, messages can be sent unsolicited by either peer at any time. A message is made up of one or more ['messages frames]. Each frame is prefixed with the size of the payload in bytes, followed by the data. A frame also contains a flag (called 'fin') indicating whether or not it is the last frame of the message. When a message is made up from only one frame, it is possible to know immediately what the size of the message will be. Otherwise, the total size of the message can only be determined once the last frame is received.
Once a websWebSocket session is established, messages can be sent unsolicited by either peer at any time. A message is made up of one or more ['messages frames]. Each frame is prefixed with the size of the payload in bytes, followed by the data. A frame also contains a flag (called 'fin') indicating whether or not it is the last frame of the message. When a message is made up from only one frame, it is possible to know immediately what the size of the message will be. Otherwise, the total size of the message can only be determined once the last frame is received.会话建立后，任何一端都可以随时主动发送消息。每条消息由一个或多个消息帧组成。每个帧的前部是有效载荷的字节长度，随后是数据内容。帧还包含一个名为 fin 的标志，用于标识该帧是否为消息的最后一帧。如果消息只由一个帧构成，则可以立即获知消息大小。否则，消息的总大小只能在接收到最后一帧时才能确定。
06/18/2026
User avatar Bstran

Translation changed
Messages
Messages消息
06/18/2026
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Contributor joined
Contributor joined 06/18/2026
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Translation completed
Translation completed 06/18/2026
User avatar Bstran

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Undefined behavior results if the decorator modifies the fields
Undefined behavior results if the decorator modifies the fields如果修饰器修改以下字段，将导致未定义行为：
06/18/2026
User avatar Bstran

Translation changed
The implementation takes ownership by decay-copy of the invocable object used as the decorator. Move-only types are possible:
The implementation takes ownership by decay-copy of the invocable object used as the decorator. Move-only types are possible:实现会通过退化拷贝的方式获取用作修饰器的可调用对象的所有权。只可移动的类型也同样适用：
06/18/2026
User avatar Bstran

Translation changed
It also possible for a single decorator to handle both requests and responses, if it is overloaded for both types either as a generic lambda (C++14 and later) or as a class as shown here:
It also possible for a single decorator to handle both requests and responses, if it is overloaded for both types either as a generic单个修饰器也可以同时处理请求和响应，只需为这两种类型提供重载，可以通过泛型 lambda (（C++14 and later) or as a class as shown here:及更高版本）或类来实现，如下所示：
06/18/2026
User avatar Bstran

Translation changed
A lambda may be used in place of a named function object:
A也可以使用 lambda may be used in place of a named function object:表达式代替具名函数对象：
06/18/2026
User avatar Bstran

Translation changed
Alternatively, a function object may be used. Small function objects will not incur a memory allocation. The follow code declares and sets a function object as a decorator:
Alternatively, a function object may be used. Small function objects will not incur a memory allocation. The follow code declares and sets a function object as a decorator:也可以使用函数对象。小型函数对象不会产生内存分配。以下代码声明并设置一个函数对象作为修饰器：
06/18/2026
User avatar Bstran

Translation changed
When using a decorator, it must be set on the stream before any handshaking takes place. This sets the decorator on the stream, to be used for all subsequent calls to accept or handshake:
When using a decorator, it must be set on the stream before any handshaking takes place. This sets the decorator on the stream, to be used for all subsequent calls to 使用修饰器时，必须在进行任何握手之前将其设置在流上。以下代码将修饰器设置在流上，供后续所有 `accept or ` 或 `handshake:` 调用使用：
06/18/2026
User avatar Bstran

Translation changed
This declares a normal function which decorates outgoing HTTP requests:
以下声明一个普通函数，该函数用于装饰出站 HTTP 请求：。
06/18/2026
User avatar Bstran

Translation changed
This declares a normal function which decorates outgoing HTTP requests:
This declares a normal function which decorates outgoing HTTP requests:以下声明一个普通函数，用于装饰出站 HTTP 请求：
06/18/2026
User avatar Bstran

Translation changed
This function is used to set a `stream_base::decorator` on the stream.
This function is used to set a该函数用于在流上设置 `stream_base::decorator` on the stream.。
06/18/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__websocket__stream.set_option `stream::set_option`]
[link beast.ref.boost__beast__websocket__stream.set_option `stream::set_option`]
06/18/2026
User avatar Bstran

Translation changed
Objects of this type are used to hold a decorator to be set on the stream using `set_option`.
Objects of this type are used to hold a decorator to be set on the stream using该类型的对象用于保存修饰器，并通过 `set_option`. 将其设置在流上。
06/18/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__websocket__stream_base__decorator `stream_base::decorator`]
[link beast.ref.boost__beast__websocket__stream_base__decorator `stream_base::decorator`]
06/18/2026
User avatar Bstran

Translation changed
This is the type of the object passed to the decorator to represent HTTP Upgrade response.
This is the type of the object passed to the decorator to represent HTTP Upgrade response.该类型表示传递给修饰器的对象，用于表示 HTTP 升级响应。
06/18/2026
User avatar Bstran

Translation changed
[link beast.ref.boost__beast__websocket__response_type `response_type`]
[link beast.ref.boost__beast__websocket__response_type `response_type`]
06/18/2026

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