[HN Gopher] Implementing TCP in Rust
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Implementing TCP in Rust
Author : mooreds
Score : 67 points
Date : 2023-11-09 21:03 UTC (1 hours ago)
(HTM) web link (github.com)
(TXT) w3m dump (github.com)
| bbss wrote:
| ICYMI but https://datatracker.ietf.org/doc/html/rfc9293 may be a
| better place to start in 2023.
| kccqzy wrote:
| I only read the README so far but I'm not sure if the author
| realizes that the RFC793 being repeatedly referred to has been
| obsoleted by RFC9293. I encourage people needing a reference to
| TCP to start with RFC9293 instead. This is the updated
| specification that brings together changes from a number of
| previous RFCs.
| QuanSai wrote:
| Seriously? Man, HackerNews never changes. No "good job" for
| engaging in an experimental approach to learning. No "this is a
| great project to start with, but..." Just a straight-up back-
| handed correction. lol, Figures.
| koverstreet wrote:
| There was nothing backhanded about that, that was useful
| relevant information.
| seanw444 wrote:
| While I agree with you in most other cases I've seen (this
| happens a lot), parent wasn't necessarily ragging on the dev,
| just adding a useful note. I found it helpful, as I wasn't
| aware there was an updated specification.
| wredue wrote:
| Is it a case of one just being monstrously easier? Like how
| everyone makes an HTTP1.1 server but never a higher
| version.
| speed_spread wrote:
| Should my shit ever make it to HN, I would be happy for it to
| get scrutinized by people smarter than me, even for basic
| stuff. The HN crowd is mostly polite in its criticisms and
| acknowledges good work. That is, unless you write something
| like a Rust web framework that's full in unsafes and claim it
| to be the fastest...
| mcbrit wrote:
| This was going to be a statement in support, read the
| classics / rfc793. Priors being you should definitely
| implement http from the RFC a la 199x, and:
|
| I assumed rfc793 was shorter than 9293; false. 9293 is
| significantly shorter.
|
| 9293 also has a lot of implementation notes from the past..
| many years of folks that have done this.
|
| So yeah, 9293. Seems like a solid rec.
| amelius wrote:
| Can you please add proper error messages, because this is the
| main problem I have with all networking related issues: I don't
| get any error messages, just a dead connection.
| ksherlock wrote:
| The TCP RFC (circa 1974) has an example API with more
| meaningful error messages than the BSD socket (circa 1982) API.
| dboreham wrote:
| Break that glass with Wireshark/tcpdump behind it.
| bobobar339 wrote:
| Thanks for sharing. I look forward to going through this content.
| tomca32 wrote:
| Oh nice. Just today I started watching Jon Gjengset's video
| implementing TCP in Rust
| https://youtu.be/bzja9fQWzdA?si=Gh4s8FHpk9vBVEwZ
| tempusr wrote:
| There needs to be a statue built for this man. My understanding
| of Rust and low level computing has become oceanic due this
| man's hours of videos and books.
| Klasiaster wrote:
| There is also the Rust TCP/IP stack https://github.com/smoltcp-
| rs/smoltcp which is not mentioned as reference (and it's probably
| more useful to have a look there than querying ChatGPT).
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(page generated 2023-11-09 23:00 UTC)