llhttp
HTTP Parser
| llhttp | HTTP Parser | |
|---|---|---|
| 7 | 8 | |
| 1,586 | 6,115 | |
| 0.6% | - | |
| 8.7 | 0.0 | |
| 8 days ago | almost 2 years ago | |
| TypeScript | C | |
| GNU General Public License v3.0 or later | MIT License |
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llhttp
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Notes: Advanced Node.js Concepts by Stephen Grider
In the source code of the Node.js opensource project, lib folder contains JavaScript code, mostly wrappers over C++ and function definitions. On the contrary, src folder contains C++ implementations of the functions, which pulls dependencies from the V8 project, the libuv project, the zlib project, the llhttp project, and many more - which are all placed at the deps folder.
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Rest server for embedded system
Some useful libraries include nghttp2 for HTTP/2 and llhttp for HTTP/1.1. Both are network stack and TLS implementation agnostic.
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Does nodejs intercept http request natively or does it use something to understand http request like wsgi in python ?
There is a HTTP parser directly bundled in node (https://github.com/nodejs/llhttp)
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Fetch API has landed into Node.js
Those wasm blobs are Node's own llhttp https://github.com/nodejs/llhttp in wasm to speed up HTTP parsing.
The question is totally legitimate but please assume core doesn't make "load random binary" level kind of goofs :)
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Book recommendations for Backend development concepts for a beginner
For HTTP, you have to look at HTTP parser. For example, https://github.com/nodejs/llhttp is used in NodeJS.
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The history and reasons behind CORS, and how to use it
Whoa, I didn't know that! But yeah, it seems like https://github.com/nodejs/http-parser is based on nginx. It now uses https://github.com/nodejs/llhttp but has some of the same legacy.
On the other hand, deno's HTTP stuff is built on top of Hyper, a Rust library https://github.com/hyperium/hyper
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Show HN: Micro HTTP server in 22 lines of C
No, parsing HTTP/1.x is a nightmare and definitely not simple. It wasn't even particularly well defined until 2014 when the original RFCs were modernized, and even now there are bugs reported in HTTP parsers all the time.
Node.js came out in 2009, a full ten years after HTTP/1.1 (RFC 2068) and it's original http-parser is full-on spaghetti code, doesn't conform to the RFCs for performance reasons, and is considered unmaintainable by the author of it's replacement[0]
[0] https://github.com/nodejs/llhttp
HTTP Parser
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eBPF will help solve service mesh by getting rid of sidecars
It looks not too different from the majority of HTTP parsers out there written in C. Here is an example of NodeJS [0].
[0] https://github.com/nodejs/http-parser/blob/main/http_parser....
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C in Web Dev
NodeJS's HTTP parser used to be a handwritten C lib: http-parser
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The history and reasons behind CORS, and how to use it
Whoa, I didn't know that! But yeah, it seems like https://github.com/nodejs/http-parser is based on nginx. It now uses https://github.com/nodejs/llhttp but has some of the same legacy.
On the other hand, deno's HTTP stuff is built on top of Hyper, a Rust library https://github.com/hyperium/hyper
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A Universal I/O Abstraction for C++ (2020)
Boost.Beast has its own HTTP parser[0], during the development of which Vinnie Falco (the principle author of Beast) found many bugs/inconsistencies in Node.js's own parser[1]
[0] https://www.boost.org/doc/libs/develop/libs/beast/doc/html/b...
[1] https://github.com/nodejs/http-parser/issues?q=is%3Aissue+au...
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How to pass ownership of std::function object to function pointer?
For cases where it is necessary to pass local information to/from a callback, the http_parser object's data field can be used.
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Plain Text Protocols
Legacy HTTP/1.1 suffers a few issues, see the current RFC errata:
https://www.rfc-editor.org/errata_search.php?rfc=7230&rec_st...
There are issues particularly around how whitespace and obsolete line folding should be handled
https://github.com/nodejs/http-parser/issues?q=is%3Aissue+wh...
https://github.com/httpwg/http-core/issues/53
It's not as trivial as a few string splits.
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Looking for good http parser in C++ or C
There's picohttpparser and the one used in node.js: https://github.com/nodejs/http-parser
What are some alternatives?
http-proxy - A full-featured http proxy for node.js
C++ Format - A modern formatting library
ioccc - My IOCCC submissions and practice.
American Fuzzy Lop - american fuzzy lop - a security-oriented fuzzer
ultra - An ultra-small, ultra-fast, web server.
semver.c - Semantic version in ANSI C
µWebSockets - Simple, secure & standards compliant web server for the most demanding of applications
PHP CPP - Library to build PHP extensions with C++
fetch - Fetch Standard
stb - stb single-file public domain libraries for C/C++
libuhttpd - A very flexible, lightweight and high performance HTTP server library based on libev and http-parser for Embedded Linux.
Klib - A standalone and lightweight C library