remctl 3.3 released
ольга крыжановская
olga.kryzhanovska at gmail.com
Wed Sep 26 01:20:20 EDT 2012
Russ, I was comparing this only to rsh. In rsh you can not have extra
streams so the process called on the remote site can not use the extra
channels for more detailed communication. Idea was, caller opens extra
fds which are inherited by the remctl process via fork(), or passed
via command line by path name (including paths listed in
/proc/num/fd/12345). Then remctl asks the server to open the same fd
numbers as extra stream connections for the process it will launch,
which can be used for extra communication.
Olga
On Wed, Sep 26, 2012 at 7:16 AM, Russ Allbery <rra at stanford.edu> wrote:
> ольга крыжановская <olga.kryzhanovska at gmail.com> writes:
>
>> Russ, here is my RFE:
>> - Support SCTP.
>
> What does that mean for an application program?
>
>> - If SCTP is supported, allow that more than stdin/stdout/stderr
>> streams (with fifo semantics only, not full file I/O with seek()) to
>> be forwarded. This should be easy, as SCTP can embed many streams with
>> in a single SCTP connection.
>
> The remctl protocol already makes it fairly easy to add additional
> streams of output from the program run by the server. There just hasn't
> been any reason to try to implement that since no one has asked for it.
> Could you explain more about your use case? Do you want the remctld
> server to open additional file descriptors before running the program?
> How many? Why?
>
> --
> Russ Allbery (rra at stanford.edu) <http://www.eyrie.org/~eagle/>
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