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Small, fast, modern HTTP server for Erlang/OTP.
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Loïc Hoguin 5ce4c2bfb4 Unify the init and terminate callbacks 
This set of changes is the first step to simplify the
writing of handlers, by removing some extraneous
callbacks and making others optional.

init/3 is now init/2, its first argument being removed.

rest_init/2 and rest_terminate/2 have been removed.

websocket_init/3 and websocket_terminate/3 have been removed.

terminate/3 is now optional. It is called regardless of
the type of handler, including rest and websocket.

The return value of init/2 changed. It now returns
{Mod, Req, Opts} with Mod being either one of the four
handler type or a custom module. It can also return extra
timeout and hibernate options.

The signature for sub protocols has changed, they now
receive these extra timeout and hibernate options.

Loop handlers are now implemented in cowboy_long_polling,
and will be renamed throughout the project in a future commit.
2014-09-26 15:58:44 +03:00
doc/src Unify the init and terminate callbacks 2014-09-26 15:58:44 +03:00
examples Unify the init and terminate callbacks 2014-09-26 15:58:44 +03:00
src Unify the init and terminate callbacks 2014-09-26 15:58:44 +03:00
test Unify the init and terminate callbacks 2014-09-26 15:58:44 +03:00
.gitignore Provide installable man pages 2014-07-06 13:10:35 +02:00
all.sh Update to erlang.mk 1.0.0 2014-08-01 14:26:51 +02:00
AUTHORS Update AUTHORS 2014-08-01 14:31:46 +02:00
CHANGELOG.md Update CHANGELOG 2014-08-01 14:40:33 +02:00
CONTRIBUTING.md Add note about SSL tests requiring R16B01 2013-08-31 10:24:11 +02:00
erlang.mk Update links extend -> ninenines 2014-08-02 12:38:15 +02:00
LICENSE Update copyright years 2014-02-06 19:57:23 +01:00
Makefile Update to erlang.mk 1.0.0 2014-08-01 14:26:51 +02:00
README.md Provide installable man pages 2014-07-06 13:10:35 +02:00
rebar.config Update links extend -> ninenines 2014-08-02 12:38:15 +02:00
ROADMAP.md Unify the init and terminate callbacks 2014-09-26 15:58:44 +03:00

README.md

Cowboy

Cowboy is a small, fast and modular HTTP server written in Erlang.

Goals

Cowboy aims to provide a complete HTTP stack in a small code base. It is optimized for low latency and low memory usage, in part because it uses binary strings.

Cowboy provides routing capabilities, selectively dispatching requests to handlers written in Erlang.

Because it uses Ranch for managing connections, Cowboy can easily be embedded in any other application.

No parameterized module. No process dictionary. Clean Erlang code.

Sponsors

The SPDY implementation was sponsored by LeoFS Cloud Storage.

The project is currently sponsored by Kato.im.

Online documentation

Offline documentation

  • While still online, run make docs
  • Function reference man pages available in doc/man3/ and doc/man7/
  • Run make install-docs to install man pages on your system
  • Full documentation in Markdown available in doc/markdown/
  • Examples available in examples/

Getting help