我想了解HTTP/2协议压缩数据字段的方式。我没有在rfc中找到算法。我知道它是一个二进制协议。 我正在寻找一种方法将二进制协议返回到人类可读的内容。我认为这是gzip就像写在头上,但它不是任何人有一个来源,我可以寻找二进制协议refernce?HTTP/2数据压缩
Frame 55: 151 bytes on wire (1208 bits), 151 bytes captured (1208 bits) on interface 0
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst:00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
Transmission Control Protocol, Src Port: 443 (443), Dst Port: 55300 (55300), Seq: 1087, Ack: 1078, Len: 85
Secure Sockets Layer
HyperText Transfer Protocol 2
Stream: HEADERS, Stream ID: 13, Length 47
Length: 47
Type: HEADERS (1)
Flags: 0x04
0... .... .... .... .... .... .... .... = Reserved: 0x00000000
.000 0000 0000 0000 0000 0000 0000 1101 = Stream Identifier: 13
[Pad Length: 0]
Header Block Fragment: 8854012a5a839bd9ab5f87497ca589d34d1f5c0333333861...
[Header Length: 177]
[Header Count: 6]
Header: :status: 200
Header: access-control-allow-origin: *
Header: content-encoding: gzip
Header: content-type: text/html
Header: content-length: 338
Header: date: Wed, 17 Aug 2016 15:14:25 GMT
Padding: <MISSING>
Frame 56: 442 bytes on wire (3536 bits), 442 bytes captured (3536 bits) on interface 0
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1, Dst: 127.0.0.1
Transmission Control Protocol, Src Port: 443 (443), Dst Port: 55300 (55300), Seq: 1172, Ack: 1078, Len: 376
Secure Sockets Layer
HyperText Transfer Protocol 2
Stream: DATA, Stream ID: 13, Length 338
Length: 338
Type: DATA (0)
Flags: 0x01
0... .... .... .... .... .... .... .... = Reserved: 0x00000000
.000 0000 0000 0000 0000 0000 0000 1101 = Stream Identifier: 13
[Pad Length: 0]
Data: 1f8b080000096e8800ff9cd2416b1b311005e0b3ffc5eb9e...
Padding: <MISSING>
HTTP/2不会添加数据有效负载的新压缩,而是添加标头。你显然在RFC中看起来不够努力(或者只是搜索“压缩”):https://tools.ietf.org/html/rfc7540#ref-COMPRESSION链接到HPACK文档。 –
我知道标题压缩是如何工作的,我对这一行感兴趣Data:1f8b080000096e8800ff9cd2416b1b311005e0b3ffc5eb9e ...并且这不在标题中,所以hpack不在那里使用,它不是gzip它是某种二进制格式,我想知道它是如何工作的 – dneyer
'1f8b08'是gzip压缩的初始字节,所以它是gzip。此外,响应标头还说'content-encoding:gzip',所以DATA框架包含了gzip的响应主体。 – sbordet