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