New submission from PrzemeK:
Case:
http://stackoverflow.com/questions/33465094/connection-refused-when-using-abstract-namespace-unix-sockets
The code that does not work (python3 example):
...
sock_path = b"/var/tmp/sock.tmp"
server.bind(b"\0" + sock_path)
...
and strace shows:
connect(3, {sa_family=AF_LOCAL, sun_path=@"/var/tmp/sock.tmp"}, 20) = -1
ECONNREFUSED (Connection refused)
For C-written client strace shows:
connect(3, {sa_family=AF_LOCAL, sun_path=@"/var/tmp/sock.tmp"}, 110) = 0
The code that actually works (python3 example):
...
sun_path_len = 108
sock_path = b"/var/tmp/sock.tmp"
server.bind(b"\0" + sock_path + (b"\0" * (sun_path_len - len(sock_path) - 1)))
...
and strace shows:
bind(3, {sa_family=AF_LOCAL, sun_path=@"/var/tmp/sock.tmp"}, 110) = 0
110 it's the correst size of a struct.
There's no hint at
https://docs.python.org/3/library/socket.html#socket-families for that.
Test files (servers and clients):
https://gist.github.com/soutys/ffbe2e76a86835a9cc6b
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue25541>
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