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Small, fast, modern HTTP server for Erlang/OTP.
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Loïc Hoguin f1c3b6d76f Breaking update of the cowboy_req interface 
Simplify the interface for most cowboy_req functions. They all return
a single value except the four body reading functions. The reply functions
now only return a Req value.

Access functions do not return a Req anymore.

Functions that used to cache results do not have a cache anymore.

The interface for accessing query string and cookies has therefore
been changed.

There are now three query string functions: qs/1 provides access
to the raw query string value; parse_qs/1 returns the query string
as a list of key/values; match_qs/2 returns a map containing the
values requested in the second argument, after applying constraints
and default value.

Similarly, there are two cookie functions: parse_cookies/1 and
match_cookies/2. More match functions will be added in future commits.

None of the functions return an error tuple anymore. It either works
or crashes. Cowboy will attempt to provide an appropriate status code
in the response of crashed handlers.

As a result, the content decode function has its return value changed
to a simple binary, and the body reading functions only return on success.
2014-09-23 16:43:29 +03:00
doc/src Breaking update of the cowboy_req interface 2014-09-23 16:43:29 +03:00
examples Breaking update of the cowboy_req interface 2014-09-23 16:43:29 +03:00
src Breaking update of the cowboy_req interface 2014-09-23 16:43:29 +03:00
test Breaking update of the cowboy_req interface 2014-09-23 16:43:29 +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 Breaking update of the cowboy_req interface 2014-09-23 16:43:29 +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