[PATCHv2 1/3] Use the protocol name of a socket as a hint for peer address resolution

[Dmitry V. Levin]

On Wed, Dec 10, 2014 at 12:55:06PM +0900, Masatake YAMATO wrote:
> For resolving the peer address of socket, all combinations of families
> (AF_INET, AF_INET6) and protocols(IPPROTO_TCP, IPPROTO_UDP) were tried.
> 
> This patch utilizes the protocol name, getting via getxattr, to specify
> the combination.
> 
> * util.c (printfd): Pass the protocol name for the given path to
>   print_sockaddr_by_inode as the 2nd argument.
> 
> * socketutils.c (print_sockaddr_by_inode): Utilize the protocol name
>   for the target inode for resolving the peer address of socket.
>   If the name is NULL, resolve the address as in the past.
>   Use inet_print in the case when no hint is given.
>   (inet_print): New helper function for print_sockaddr_by_inode.

Thanks, applied with some corrections of the commit message.


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