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From d9a1dc236a9bcc06f04d609e2654f76c6a9459e7 Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Mon, 14 Dec 2015 21:02:18 +0100
Subject: [PATCH] Confirm success for each tc -batch command
MIME-Version: 1.0
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=977844
Upstream Status: Rejected.
The original patch has been extended by the related man page additions
which were contained in another local patch.
commit 8c5024483cbbfdc092945a00be05d917485b9af3
Author: Petr Písař <ppisar@redhat.com>
Date: Thu Sep 19 11:25:49 2013 +0200
Confirm success for each tc -batch command
If `tc -force -batch' is fed by a controlling program from a pipe,
it's not possible to recognize when a command has been processes
successfully.
This patch adds an optional `-OK' option to the tc(8) tool, so `tc
-force -OK -batch' will print "OK\n" to standard output on each
successfully completed tc command.
Signed-off-by: Petr Písař <ppisar@redhat.com>
Signed-off-by: Phil Sutter <psutter@redhat.com>
---
man/man8/tc.8 | 8 +++++++-
tc/tc.c | 8 +++++++-
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/man/man8/tc.8 b/man/man8/tc.8
index f96911a..a341a8f 100644
--- a/man/man8/tc.8
+++ b/man/man8/tc.8
@@ -62,7 +62,7 @@ tc \- show / manipulate traffic control settings
.P
.ti 8
.IR OPTIONS " := {"
-\fB[ -force ] -b\fR[\fIatch\fR] \fB[ filename ] \fR|
+\fB[ -force ] [ -OK ] -b\fR[\fIatch\fR] \fB[ filename ] \fR|
\fB[ \fB-n\fR[\fIetns\fR] name \fB] \fR|
\fB[ \fB-nm \fR| \fB-nam\fR[\fIes\fR] \fB] \fR|
\fB[ \fR{ \fB-cf \fR| \fB-c\fR[\fIonf\fR] \fR} \fB[ filename ] \fB] \fR}
@@ -603,6 +603,12 @@ don't terminate tc on errors in batch mode.
If there were any errors during execution of the commands, the application return code will be non zero.
.TP
+.BR "\-OK"
+in batch mode, print
+.B OK
+and a new line on standard output after each successfully interpreted command.
+
+.TP
.BR "\-n" , " \-net" , " \-netns " <NETNS>
switches
.B tc
diff --git a/tc/tc.c b/tc/tc.c
index 8e64a82..360c9f1 100644
--- a/tc/tc.c
+++ b/tc/tc.c
@@ -42,6 +42,7 @@ int batch_mode;
int resolve_hosts;
int use_iec;
int force;
+int ok;
bool use_names;
static char *conf_file;
@@ -188,7 +189,7 @@ noexist:
static void usage(void)
{
fprintf(stderr, "Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }\n"
- " tc [-force] -batch filename\n"
+ " tc [-force] [-OK] -batch filename\n"
"where OBJECT := { qdisc | class | filter | action | monitor | exec }\n"
" OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] | -b[atch] [filename] | -n[etns] name |\n"
" -nm | -nam[es] | { -cf | -conf } path }\n");
@@ -254,6 +255,9 @@ static int batch(const char *name)
ret = 1;
if (!force)
break;
+ } else if (ok) {
+ printf("OK\n");
+ fflush(stdout);
}
}
if (line)
@@ -293,6 +297,8 @@ int main(int argc, char **argv)
return 0;
} else if (matches(argv[1], "-force") == 0) {
++force;
+ } else if (matches(argv[1], "-OK") == 0) {
+ ++ok;
} else if (matches(argv[1], "-batch") == 0) {
argc--; argv++;
if (argc <= 1)
--
1.8.3.1