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    SubjectRe: [net-next PATCH v4 0/3] net: reserve ports for applications using fixed port
    Eric W. Biederman wrote:
    > Cong Wang <amwang@redhat.com> writes:
    >
    >> Octavian Purdila wrote:
    >>> On Tuesday 16 February 2010 22:08:13 you wrote:
    >>>>> Something like bellow?
    >>>>>
    >>>>> # set bits 8080 and 1666
    >>>>> $echo 8080 1666-1666 > /proc
    >>>>>
    >>>>> #reset bit 1666
    >>>>> $echo 8080 > /proc
    >>>>>
    >>>>> #reset whole bitmap
    >>>>> $echo > /proc
    >>>> Yes. So something like that.
    >>>>
    >>>> I think I would use commas instead of spaces as that is more traditional.
    >>
    >> Why this is better than the current version?
    >>
    >> For the single port case, currently we use:
    >>
    >> echo +8080 > /xxxx #set
    >> echo -8080 > /xxxx #clear
    >>
    >> Now we will use:
    >>
    >> echo 8080 > /xxxx #set
    >> echo 8080 > /xxxx #clear
    >
    > No.
    >
    >> I don't think the latter is better...
    >>
    >> For the multi-port case, yes, we should accept 'echo 8080,10000 >/xxxx'.
    >
    > What I was envisioning was:
    >
    > echo 8080 > /xxx # set the bitmap to 8080
    > echo 8080,10000 > /xxx # add 10000 to the bitmap
    > echo 8080 > /xxxx # remove 10000 from the bitmap.
    >
    > That is when you set it you enter the entire set every time, treating
    > the entire set as a single value.
    >

    Oh, I see, this is ok.

    But if we could support multi-port, that will be better, something like:

    echo '8080,10000-11000' > /xxx #add port 8080 and port range 10000-11000

    so that I don't have to construct a long string for all ports within
    10000 and 11000.

    Thanks.



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