Ewan, > I would like send five tuples 、 mac 、traffic etc. info out, which can be > display out some where. > I will try shared memory api.
I also have an IPFIX node doing that. Exporting L2, L3 and L4 aggregated flow information. It would also be possible to add other export formats to that. Ping me if interested, the latest code isn't on gerrit yet. Cheers, Ole > > Regards, > Ewan > yug...@telincn.com > > From: Luke, Chris > Date: 2017-03-01 20:14 > To: yug...@telincn.com; Dave Barach (dbarach); Ed Warnicke > CC: vpp-dev > Subject: RE: RE: [vpp-dev] system func in vpp > A Unix domain socket would work, if you use it only from the main thread. > > Instead though, VPP already has a performant binary API that uses shared > memory. Could you not use this? What sort of messages are you trying to send? > > Chris. > > From: yug...@telincn.com [mailto:yug...@telincn.com] > Sent: Wednesday, March 1, 2017 4:38 > To: Dave Barach (dbarach) <dbar...@cisco.com>; Luke, Chris > <chris_l...@cable.comcast.com>; Ed Warnicke <hagb...@gmail.com> > Cc: vpp-dev <vpp-dev@lists.fd.io> > Subject: Re: RE: [vpp-dev] system func in vpp > > Thanks. > So it's not security to use unix socket too? If i want to send some data > from vpp to linux or to another process, any options? > > Regards, > Ewan > yug...@telincn.com > > From: Dave Barach (dbarach) > Date: 2017-02-28 21:12 > To: Luke, Chris; yug...@telincn.com; Ed Warnicke > CC: vpp-dev > Subject: RE: [vpp-dev] system func in vpp > See also src/vnet/unix/tuntap.c, which seems to already do pretty much what > you’re describing. It’s disabled by default. Use the command-line argument > “tuntap { enable }” to kick the tires. > > In addition to the concerns which Chris mentioned, adding ‘system(“foo”)’ > calls to vpp is not a security best practice. > > Thanks… Dave > > From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On > Behalf Of Luke, Chris > Sent: Tuesday, February 28, 2017 7:18 AM > To: yug...@telincn.com; Ed Warnicke <hagb...@gmail.com> > Cc: vpp-dev <vpp-dev@lists.fd.io> > Subject: Re: [vpp-dev] system func in vpp > > Using any syscall needs thinking through from inside VPP. Using system() or > similar is simply ill-advised; what you’re doing is best done outside of VPP > where the penalty of executing fork() is much diminished. > > If you really must create these interfaces from inside VPP then I suggest you > look up the netlink ABI in Linux, which is what the ‘ip’ program uses, and > program it directly. > > Chris. > > From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On > Behalf Of yug...@telincn.com > Sent: Monday, February 27, 2017 22:56 > To: Ed Warnicke <hagb...@gmail.com> > Cc: vpp-dev <vpp-dev@lists.fd.io> > Subject: Re: [vpp-dev] system func in vpp > > I would like to add veth interface in vpp for every phy interface, " > system("ip link add vpp type veth peer name kernel-vpp") ". > It's convenient to do this from vpp. > > Regards, > Ewan. > yug...@telincn.com > > From: Ed Warnicke > Date: 2017-02-28 11:44 > To: yug...@telincn.com > CC: vpp-dev > Subject: Re: Re: [vpp-dev] system func in vpp > Why would you do that from within vpp? > > Ed > > On Mon, Feb 27, 2017 at 8:36 PM, yug...@telincn.com <yug...@telincn.com> > wrote: > "int system(const char *command)" > > I would like to use this func to start another dameon , such as " > system("zebra -d") ". > > Regards, > Ewan > yug...@telincn.com > > From: Ed Warnicke > Date: 2017-02-28 11:15 > To: yug...@telincn.com > CC: vpp-dev > Subject: Re: [vpp-dev] system func in vpp > I'm not quite sure what you mean by the 'func system'... > > Ed > > On Mon, Feb 27, 2017 at 7:26 PM, yug...@telincn.com <yug...@telincn.com> > wrote: > Hi, all > > Does vpp can't use func system? Any reason to this or what can i do if i > really need ? > > yug...@telincn.com > > _______________________________________________ > vpp-dev mailing list > vpp-dev@lists.fd.io > https://lists.fd.io/mailman/listinfo/vpp-dev > > > _______________________________________________ > vpp-dev mailing list > vpp-dev@lists.fd.io > https://lists.fd.io/mailman/listinfo/vpp-dev
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