lib: Do not log `echo PING` commands from watchfrr

Since the `echo PING` commands are from watchfrr and are sent
a whole bunch when an operator has `log commands` on the amount
of logging done is quite significant.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
(cherry picked from commit a8a0f80b634208c878e15335948810e1d532d1e7)

diff --git a/lib/vty.c b/lib/vty.c
index 92db07677ae06f5b8b71b993a4e4ea142e98373c..5fe8a7955bbe398fd7339f7537a5a853bc8c5105 100644 (file)
--- a/lib/vty.c
+++ b/lib/vty.c
@@ -444,7 +444,8 @@ static int vty_command(struct vty *vty, char *buf)
        /*
         * Log non empty command lines
         */
-       if (do_log_commands)
+       if (do_log_commands &&
+           strncmp(buf, "echo PING", strlen("echo PING")) != 0)
                cp = buf;
        if (cp != NULL) {
                /* Skip white spaces. */