@CapnProto

Insanely fast data interchange format and capability-based RPC system. Think JSON, except binary. Or think Protocol Buffers, except infinitely faster.

 Palo Alto, CA
capnproto.org
Joined October 2014
  • Tweets73
  • Following8
  • Followers1.1K
Cap'n Proto 1.0 has been released! But, uh, well, it's not as exciting as it sounds. See the blog post for the full story. capnproto.org/news/2023-07-2…
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Cap'n Proto retweeted
David Renshaw@dwrensha8 May 2023
I implemented reflection in capnproto-rust and wrote a blog post about using it to draw weird abstract pictures: reddit.com/r/rust/comments/1…
Randomly generated colorful circles and rectangles.

ALT Randomly generated colorful circles and rectangles.

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Hello! We have a security advisory today. :( CVE-2022-46149 could lead to out-of-bounds memory read under certain scenarios. At present we have not observed any applications that are actually vulnerable, but if you use Cap'n Proto, please patch anyway. github.com/capnproto/capnpro…

Out-of-bounds read due to logic error handling list-of-list.

Problem ======= Out-of-bounds read due to logic error handling list-of-list. Discovered by ============= David Renshaw , the maintainer of Cap'n Proto&...

github.com
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Cap'n Proto 0.9.0 has been released. There's no specific huge new feature, just 16 months of incremental improvements and bug fixes. capnproto.org/news/2021-08-1…
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Cap'n Proto 0.8: Streaming flow control, HTTP-over-RPC, fibers, etc. capnproto.org/news/2020-04-2…
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Yesterday I added FD passing to Cap'n Proto RPC. Now you'll be able to embed file descriptors in RPC messages and, as long as the transport is a Unix socket, the receiving process will get direct access to the file descriptor. github.com/capnproto/capnpro…

Implement FD passing in Cap'n Proto. by kentonv · Pull Request #821 · capnproto/capnproto

An endpoint (subclass of Capability::Server) may override kj::Maybe getFd() to expose an underlying file descriptor. A remote client may use Capability::Client::getFd() on the en...

github.com
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Cap'n Proto 0.7 has been released. Most of what's new is improvements to the underlying KJ C++ toolkit library and HTTP implementation, which are used heavily in the implementation of @Cloudflare Workers. Also some improvements to the JSON converter. capnproto.org/news/2018-08-2…
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Replying to @OpenMirage
@OpenMirage @CapnProto RPC release 0.2 - adding persistence, encryption and access control: discuss.ocaml.org/t/ann-capn… #ocaml

[ANN] capnp-rpc 0.2 - persistence, encryption and access control

I’m pleased to announce the release of capnp-rpc 0.2, an OCaml implementation of the Cap’n Proto RPC specification. If you haven’t used the library before, please see the documentation and tutorial....

discuss.ocaml.org
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Pure #OCaml @CapnProto RPC now available! discuss.ocaml.org/t/ann-capn…

[ANN] capnp-rpc 0.1

I’m pleased to announce that the OCaml Cap’n Proto RPC implementation is now released and available via opam: opam depext -i capnp-rpc-unix All features of level 1 of the spec are implemented. There...

discuss.ocaml.org
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Cap'n Proto 0.6 Released! Now with full Windows support and two and half years of other improvements. capnproto.org/news/2017-05-0…
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May 18, 6PM: Cap'n Proto 0.6 Release Party at @Cloudflare. RSVP: meetup.com/Sandstorm-SF-Bay-…
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Cap'n Proto security advisory for 32-bit builds with Apple compiler... github.com/sandstorm-io/capn…
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Cap'n Proto retweeted
David Renshaw@dwrensha27 Feb 2017
cargo-fuzz is dead simple to set up and very effective at finding bugs. Here's what it found in capnproto-rust: dwrensha.github.io/capnproto…
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Join us on June 16 for Drew Fisher's @CapnProto talk at @ThoughtWorks SF. RSVP here: meetup.com/Sandstorm-SF-Bay-…
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Cap'n Proto retweeted
David Renshaw@dwrensha11 Jan 2016
My @rustlang implementation of the @CapnProto RPC protocol now uses asynchronous I/O. dwrensha.github.io/capnproto…
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And there's shout-outs to @CapnProto and @meteorjs in the 2nd half of the episode on @SandstormIO. xitter.cf/SandstormIO/status/656…
Sandstorm.IO@SandstormIO20 Oct 2015
Hanselminutes podcast episode: @shanselman interviews @SandstormIO's @KentonVarda. Check it out: hanselminutes.com/497/your-p…

Your Personal Cloud Platform with Sandstorm.io and Kenton Varda

Scott talks with former Googler Kenton Varda about his startup Sandstorm.io. Sandstorm makes it easy to run and manage your own server by simplifying application deployment and security. How does it...

hanselminutes.com
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I added a video to a @YouTube playlist youtu.be/A65w-qoyTYg?a "Cap'n Proto and Rust: Type Systems for Sharing" by David Renshaw
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Cap'n Proto retweeted
Luc Perkins@lucperkins17 Aug 2015
Now here's a fascinating use of @CapnProto: github.com/niekbouman/commel…. Microgrids!

GitHub - niekbouman/commelec-api: API for the Commelec Smart Grid control platform

API for the Commelec Smart Grid control platform. Contribute to niekbouman/commelec-api development by creating an account on GitHub.

github.com
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Cap'n Proto retweeted
David Renshaw@dwrensha18 Aug 2015
Thanks to @kalizoy, capnproto-rust now fully supports generics!
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RT @BenLaurie: I think this is the most awesome response I've ever had to a vulnerability report: j.mp/1HqQBG1.
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