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ss: Show stats from specified network namespace

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Added new '-N NSNAME, --net=NSNAME' option to show socket stats
from the specified network namespace name.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
This commit is contained in:
Vadim Kochan 2015-02-08 08:58:43 +02:00 committed by Stephen Hemminger
parent ebd58d19f0
commit 95ce04bc86
3 changed files with 15 additions and 1 deletions
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3
man/man8/ss.8
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@ -84,6 +84,9 @@ context of the creating process, however the context shown will reflect
any policy role, type and/or range transition rules applied,
and is therefore a useful reference.
.TP
.B \-N NSNAME, \-\-net=NSNAME
Switch to the specified network namespace name.
.TP
.B \-b, \-\-bpf
Show socket BPF filters (only administrators are allowed to get these information).
.TP

4
misc/Makefile
View File

@ -10,6 +10,10 @@ ifeq ($(HAVE_SELINUX),y)
CFLAGS += $(shell pkg-config --cflags libselinux) -DHAVE_SELINUX
endif
ifeq ($(IP_CONFIG_SETNS),y)
CFLAGS += -DHAVE_SETNS
endif
all: $(TARGETS)
ss: $(SSOBJ)

9
misc/ss.c
View File

@ -31,6 +31,7 @@
#include "rt_names.h"
#include "ll_map.h"
#include "libnetlink.h"
#include "namespace.h"
#include "SNAPSHOT.h"
#include <linux/tcp.h>
@ -3246,6 +3247,7 @@ static void _usage(FILE *dest)
" -b, --bpf show bpf filter socket information\n"
" -Z, --context display process SELinux security contexts\n"
" -z, --contexts display process and socket SELinux security contexts\n"
" -N, --net switch to the specified network namespace name\n"
"\n"
" -4, --ipv4 display only IP version 4 sockets\n"
" -6, --ipv6 display only IP version 6 sockets\n"
@ -3345,6 +3347,7 @@ static const struct option long_opts[] = {
{ "help", 0, 0, 'h' },
{ "context", 0, 0, 'Z' },
{ "contexts", 0, 0, 'z' },
{ "net", 1, 0, 'N' },
{ 0 }
};
@ -3360,7 +3363,7 @@ int main(int argc, char *argv[])
struct filter dbs_filter = {};
int state_filter = 0;
while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbf:miA:D:F:vVzZ",
while ((ch = getopt_long(argc, argv, "dhaletuwxnro460spbf:miA:D:F:vVzZN:",
long_opts, NULL)) != EOF) {
switch(ch) {
case 'n':
@ -3532,6 +3535,10 @@ int main(int argc, char *argv[])
show_proc_ctx++;
user_ent_hash_build();
break;
case 'N':
if (netns_switch(optarg))
exit(1);
break;
case 'h':
case '?':
help();