From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Emelyanov Subject: Re: [PATCH] iproute: Add route showdump command Date: Fri, 27 Jul 2012 08:14:42 +0400 Message-ID: <501215B2.9010802@parallels.com> References: <50110593.1070502@parallels.com> <20120726090315.4a566a46@nehalam.linuxnetplumber.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Dan Smith , Linux Netdev List To: Stephen Hemminger Return-path: Received: from mailhub.sw.ru ([195.214.232.25]:25785 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751030Ab2G0EOu (ORCPT ); Fri, 27 Jul 2012 00:14:50 -0400 In-Reply-To: <20120726090315.4a566a46@nehalam.linuxnetplumber.net> Sender: netdev-owner@vger.kernel.org List-ID: On 07/26/2012 08:03 PM, Stephen Hemminger wrote: > On Thu, 26 Jul 2012 12:53:39 +0400 > Pavel Emelyanov wrote: > >> Some time ago the save+restore commands were added to ip route (git >> id f4ff11e3, Add ip route save/restore). These two save the raw rtnl >> stream into a file and restore one (reading it from stdin). >> >> The problem is that there's no way to get the contents of the dump >> file in a human readable form. How about adding a command that reads >> the rtnl stream from stdin and prints the data in a way the usual >> "ip route list" does? >> >> Signed-off-by: Pavel Emelyanov > > Being able to decode a dump is great idea. > Are the user's smart enough not to try it out at the command prompt > and get totally lost? Maybe another isatty() check is needed. > > Another solution would be to put a small header on the save file with > a magic number that could be checked. This would mean changing save/restore/showdump > and ideally updating the magic file in distributions. > . Hm... The idea with magic looks reasonable. I will look at what can be done here, thanks!