[tornado] Snippet for abstract namespace support for Tornado apps.

[Shane Spencer]

This seemed to work out well enough. Now if NGINX would just support these
without patching....

....

http_server = tornado.httpserver.HTTPServer(
application,
trusted_downstream=['127.0.0.1'],
xheaders=True,
)

if options.listen_unix_socket_abstract:

import socket

sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setblocking(0)
sock.bind('\0' + options.listen_unix_socket_abstract)
sock.listen(tornado.netutil._DEFAULT_BACKLOG)

http_server.add_socket(sock)

elif options.listen_unix_socket:
sock = tornado.netutil.bind_unix_socket(
options.listen_unix_socket,
mode=0o666
)
http_server.add_socket(sock)
else:
http_server.listen(options.listen_port, address=options.listen_host)

....
<https://about.me/ShaneSpencer?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
Shane Spencer
about.me/ShaneSpencer
<https://about.me/ShaneSpencer?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>

[A. Jesse Jiryu Davis]

That is a Linux feature that I barely even remember hearing about until
now, thanks for educating me =)

Post by Shane Spencer
This seemed to work out well enough. Now if NGINX would just support
these without patching....
....
http_server = tornado.httpserver.HTTPServer(
application,
trusted_downstream=['127.0.0.1'],
xheaders=True,
)
import socket
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setblocking(0)
sock.bind('\0' + options.listen_unix_socket_abstract)
sock.listen(tornado.netutil._DEFAULT_BACKLOG)
http_server.add_socket(sock)
sock = tornado.netutil.bind_unix_socket(
options.listen_unix_socket,
mode=0o666
)
http_server.add_socket(sock)
http_server.listen(options.listen_port,
address=options.listen_host)
....
<https://about.me/ShaneSpencer?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
Shane Spencer
about.me/ShaneSpencer
<https://about.me/ShaneSpencer?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=gmail_api&utm_content=thumb>
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