Boost Beast Translation (zh_Hans)/Doc / Qbk / 05 Http Examples / Http Examples (qbk)

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15 string ID 108
	Source string description type: paragraph

	English An HTTP proxy acts as a relay between client and server. The proxy reads a request from the client and sends it to the server, possibly adjusting some of the headers and representation of the body along the way. Then, the proxy reads a response from the server and sends it back to the client, also with the possibility of changing the headers and body representation. 368/10000 · 368
16 string ID 114
	Source string description type: paragraph

	English The example that follows implements a synchronous HTTP relay. It uses a fixed size buffer, to avoid reading in the entire body so that the upstream connection sees a header without unnecessary latency. This example brings together all of the concepts discussed so far, it uses both a __serializer__ and a __parser__ to achieve its goal: 336/10000 · 336
17 string ID 126
	Source string description type: section title

	English Send Child Process Output __example__ 37/10000 · 37
18 string ID 128
	Source string description type: paragraph

	English Sometimes it is necessary to send a message whose body is not conveniently described by a single container. For example, when implementing an HTTP relay function a robust implementation needs to present body buffers individually as they become available from the downstream host. These buffers should be fixed in size, otherwise creating the unnecessary and inefficient burden of reading the complete message body before forwarding it to the upstream host. 457/10000 · 457
19 string ID 135
	Source string description type: paragraph

	English To enable these use-cases, the body type __buffer_body__ is provided. This body uses a caller-provided pointer and size instead of an owned container. To use this body, instantiate an instance of the serializer and fill in the pointer and size fields before calling a stream write function. 290/10000 · 290
20 string ID 140
	Source string description type: paragraph

	English This example reads from a child process and sends the output back in an HTTP response. The output of the process is sent as it becomes available: 145/10000 · 145
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