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Re: Winsock wrappers
From: |
Simon Josefsson |
Subject: |
Re: Winsock wrappers |
Date: |
Thu, 09 Oct 2008 12:32:35 +0200 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/22.2 (gnu/linux) |
Paolo Bonzini <address@hidden> writes:
>>> Maybe gnutls could provide adaptors from read/write to the signature
>>> needed for gnulib's transport functions? That would be good enough to
>>> avoid duplication in client applications.
>>
>> I think this was what I meant above, but I'm not sure I understand you.
>> What I see gnutls defining would be something like:
>>
>> ssize_t gnutls_gnulib_pull (gnutls_transport_ptr_t, void *, size_t);
>> ssize_t gnutls_gnulib_push (gnutls_transport_ptr_t, const void *, size_t);
>>
>> These would be implemented using gnulib's replacement send/recv
>> functions.
>
> Instead you could have gnutls_pull_read and gnutls_push_write, not using
> gnulib's replacement send/recv. These could be useful on POSIX systems
> too (though not that much).
Ah, now I understand.
>>> More or less. Actually, the flag could be just "use send/recv or
>>> read/write?" because of what I said above, and that means that it could
>>> be done without including lib/winsock.c or other similarly unwanted
>>> baggage into gnutls.
>>
>> Are you saying that read/write on the socket would work under Windows?
>
> Yes, if the socket is created using gnulib's socket (which uses
> WSASocket to disable overlapped mode).
Interesting.
However, it is rather simple for applications to write these wrappers
themselves, so I think it is better to document how to do that. Then
the GnuTLS ABI doesn't depend on how gnulib have implemented sockets
under Windows.
/Simon
- Winsock wrappers, Simon Josefsson, 2008/10/08
- Re: Winsock wrappers, Bruno Haible, 2008/10/08
- Re: Winsock wrappers, Simon Josefsson, 2008/10/09
- Re: Winsock wrappers, Paolo Bonzini, 2008/10/09
- Re: Winsock wrappers, Simon Josefsson, 2008/10/09
- Re: Winsock wrappers, Paolo Bonzini, 2008/10/09
- Re: Winsock wrappers, Simon Josefsson, 2008/10/09
- Re: Winsock wrappers, Paolo Bonzini, 2008/10/09
- Re: Winsock wrappers,
Simon Josefsson <=
- Re: Winsock wrappers, Bruno Haible, 2008/10/10
- Re: Winsock wrappers, Simon Josefsson, 2008/10/10
- Re: Winsock wrappers, Paolo Bonzini, 2008/10/10
- Re: getaddrinfo and sa_len, Bruno Haible, 2008/10/10
- Re: predefined CPP macros, Bruno Haible, 2008/10/10