daphne/README.rst
2016-09-09 12:52:12 +01:00

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daphne
======
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:target: https://travis-ci.org/andrewgodwin/daphne
.. image:: https://img.shields.io/pypi/v/daphne.svg
:target: https://pypi.python.org/pypi/daphne
Daphne is a HTTP, HTTP2 and WebSocket protocol server for
`ASGI <http://channels.readthedocs.org/en/latest/asgi.html>`_, and developed
to power Django Channels.
It supports automatic negotiation of protocols; there's no need for URL
prefixing to determine WebSocket endpoints versus HTTP endpoints.
Running
-------
Simply point Daphne to your ASGI channel layer instance, and optionally
set a bind address and port (defaults to localhost, port 8000)::
daphne -b 0.0.0.0 -p 8001 django_project.asgi:channel_layer
If you intend to run daphne behind a proxy server you can use UNIX
sockets to communicate between the two::
daphne -u /tmp/daphne.sock django_project.asgi:channel_layer
If daphne is being run inside a process manager such as
`Circus <https://github.com/circus-tent/circus/>`_ you might
want it to bind to a file descriptor passed down from a parent process.
To achieve this you can use the --fd flag::
daphne --fd 5 django_project.asgi:channel_layer
To see all available command line options run daphne with the *-h* flag.
Root Path (SCRIPT_NAME)
-----------------------
In order to set the root path for Daphne, which is the equivalent of the
WSGI ``SCRIPT_NAME`` setting, you have two options:
* Pass a header value ``Daphne-Root-Path``, with the desired root path as a
URLencoded ASCII value. This header will not be passed down to applications.
* Set the ``--root-path`` commandline option with the desired root path as a
URLencoded ASCII value.
The header takes precedence if both are set. As with ``SCRIPT_ALIAS``, the value
should start with a slash, but not end with one; for example::
daphne --root-path=/forum django_project.asgi:channel_layer
Maintenance and Security
------------------------
To report security issues, please contact security@djangoproject.com. For GPG
signatures and more security process information, see
https://docs.djangoproject.com/en/dev/internals/security/.
To report bugs or request new features, please open a new GitHub issue.
This repository is part of the Channels project. For the shepherd and maintenance team, please see the
`main Channels readme <https://github.com/andrewgodwin/channels/blob/master/README.rst>`_.