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Stefano Brivio 32ea3d54b4 ss: Fix rendering of continuous output (-E, --events) 
Roman Mashak reported that ss currently shows no output when it
should continuously report information about terminated sockets
(-E, --events switch).

This happens because I missed this case in 691bd854bf ("ss:
Buffer raw fields first, then render them as a table") and the
rendering function is simply not called.

To fix this, we need to:

- call render() every time we need to display new socket events
  from generic_show_sock(), which is only used to follow events.
  Always call it even if specific socket display functions
  return errors to ensure we clean up buffers

- get the screen width every time we have new events to display,
  thus factor out getting the screen width from main() into a
  function we'll call whenever we calculate columns width

- reset the current field pointer after rendering, more output
  might come after render() is called

Reported-by: Roman Mashak <mrv@mojatatu.com>
Fixes: 691bd854bf ("ss: Buffer raw fields first, then render them as a table")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Tested-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
 		2018-03-27 09:09:38 -07:00
bash-completion tc: bash-completion: add missing 'classid' keyword 2017-12-12 12:11:37 -08:00
bridge bridge: Prevent a double space in bridge mdb show 2018-02-23 08:18:18 -08:00
devlink devlink: Fix error reporting 2018-02-28 16:10:32 -08:00
doc/actions doc: drop old ip command documentation 2017-09-29 10:51:02 -07:00
etc/iproute2 whitespace cleanup 2017-01-12 17:31:20 -08:00
examples SPDX license identifiers 2017-11-24 12:21:35 -08:00
genl SPDX license identifiers 2017-11-24 12:21:35 -08:00
include json_writer: add SPDX Identifier (GPL-2/BSD-2) 2018-03-06 14:39:19 -08:00
ip Revert "iproute: "list/flush/save default" selected all of the routes" 2018-03-12 14:02:36 -07:00
lib treat "default" and "all"/"any" addresses differenty 2018-03-27 08:58:26 -07:00
man man: ip-route.8: ssthresh parameter is NUMBER 2018-03-27 09:07:16 -07:00
misc ss: Fix rendering of continuous output (-E, --events) 2018-03-27 09:09:38 -07:00
netem SPDX license identifiers 2017-11-24 12:21:35 -08:00
rdma rdma: Avoid memory leak for skipper resource 2018-02-23 08:42:28 -08:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc tc: print actual action for connmark action 2018-03-27 09:03:15 -07:00
testsuite tests: make sure rand_dev suffix has 6 chars 2018-01-10 08:29:51 -08:00
tipc devlink, rdma, tipc: properly define TARGETS without HAVE_MNL 2018-01-05 16:32:17 -08:00
.gitignore Remove leftovers from removed Latex documentation 2018-02-13 16:43:19 -08:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile Restore --no-print-directory option for silent builds 2018-01-09 07:58:00 -08:00
README README: re-add updated information link 2018-02-23 08:19:38 -08:00
README.decnet Decnet documentation update 2005-06-13 18:47:56 +00:00
README.devel README: update location of git repositories, remove broken info link 2018-02-13 16:42:51 -08:00
README.distribution README cleanup's 2012-01-03 15:04:55 -08:00
README.iproute2+tc tc, bpf: finalize eBPF support for cls and act front-end 2015-04-10 13:31:19 -07:00
README.lnstat Rename: misc/README.lnstat -> README.lnstat 2004-10-19 20:24:47 +00:00
configure Remove leftovers from removed Latex documentation 2018-02-13 16:43:19 -08:00

README 

This is a set of utilities for Linux networking.

Information:
    https://wiki.linuxfoundation.org/networking/iproute2

Download:
    http://www.kernel.org/pub/linux/utils/net/iproute2/

Stable version repository:
    git://git.kernel.org/pub/scm/network/iproute2/iproute2.git

Development repository:
    git://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git

How to compile this.
--------------------
1. libdbm

arpd needs to have the db4 development libraries. For Debian
users this is the package with a name like libdb4.x-dev.
DBM_INCLUDE points to the directory with db_185.h which
is the include file used by arpd to get to the old format Berkeley
database routines.  Often this is in the db-devel package.

2. make

The makefile will automatically build a config.mk file which
contains definitions of libraries that may or may not be available
on the system such as: ATM, ELF, MNL, and SELINUX.

3. To make documentation, cd to doc/ directory , then
   look at start of Makefile and set correct values for
   PAGESIZE=a4		, ie: a4 , letter ...	(string)
   PAGESPERPAGE=2	, ie: 1 , 2 ...		(numeric)
   and make there. It assumes, that latex, dvips and psnup
   are in your path.

4. This package includes matching sanitized kernel headers because
   the build environment may not have up to date versions. See Makefile
   if you have special requirements and need to point at different
   kernel include files.

Stephen Hemminger
stephen@networkplumber.org

Alexey Kuznetsov
kuznet@ms2.inr.ac.ru