Another option would be add a setalg method with whatever (nice, pythonic) API we want. Emulating the crummy C-level API needn't be a goal I think.
On Sun, Aug 21, 2016, at 05:37, Christian Heimes wrote: > Hi, > > the socket.setsockopt(level, optname, value) method has two calling > variants. When it is called with a buffer-like object as value, it calls > the C API function setsockopt() with optval=buffer.buf and > optlen=buffer.len. When value is an integer, setsockopt() packs it as > int32 and sends it with optlen=4. > > --- > # example.py > import socket > sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) > sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, > b'\x00\x00\x00\x00') > sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) > --- > > $ strace -e setsockopt ./python example.py > setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [0], 4) = 0 > setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 > > > For AF_ALG (Linux Kernel crypto) I need a way to call the C API function > setsockopt() with optval=NULL and optlen as any arbitrary number. I have > been playing with multiple ideas. So far I liked the idea of > value=(None, int) most. > > setsockopt(socket.SOL_ALG, socket.ALG_SET_AEAD_AUTHSIZE, (None, taglen)) > > What do you think? > > Christian > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/benjamin%40python.org _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
