Patch available,
https://github.com/barak/liboping/commit/e48d79399dee92b8b3ea340d8b7be48b7fbf8a5b
--Barak.
--
Barak A. Pearlmutter
Hamilton Institute & Dept Comp Sci, NUI Maynooth, Co. Kildare, Ireland
http://www.bcl.hamilton.ie/~barak/
>From e48d79399dee92b8b3ea340d8b7be48b7fbf8a5b Mon Sep 17 00:00:00 2001
From: "Barak A. Pearlmutter" <barak+...@cs.nuim.ie>
Date: Thu, 1 Sep 2011 13:22:05 +0100
Subject: [PATCH] non-zero process exit status when too many packets are
unreturned
The number of unreturned packets in excess of 50% is summed over all
hosts. If this is nonzero, this count plus 1 is the process exit
status.
---
src/oping.c | 21 ++++++++++++++++++---
1 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/src/oping.c b/src/oping.c
index 79d7569..5b75dae 100644
--- a/src/oping.c
+++ b/src/oping.c
@@ -951,9 +951,14 @@ static void update_host_hook (pingobj_iter_t *iter, /* {{{ */
#endif
} /* }}} void update_host_hook */
+/* returns the number of significant failures: sum over hosts of
+ unreturned packets exceeding 50% of the number sent, rounding up. */
static int post_loop_hook (pingobj_t *ping) /* {{{ */
{
pingobj_iter_t *iter;
+ /* failures to report: sum over hosts of number of failed
+ returns above 50% */
+ int failure_count = 0;
#if USE_NCURSES
endwin ();
@@ -973,6 +978,13 @@ static int post_loop_hook (pingobj_t *ping) /* {{{ */
context_get_packet_loss (context),
context->latency_total);
+ {
+ /* threshold for counting failed returns is 50%, rounding up */
+ int threshold = (context->req_sent + 1) / 2;
+ if (context->req_rcvd < threshold)
+ failure_count += threshold - context->req_rcvd;
+ }
+
if (context->req_rcvd != 0)
{
double average;
@@ -992,7 +1004,7 @@ static int post_loop_hook (pingobj_t *ping) /* {{{ */
context_destroy (context);
}
- return (0);
+ return (failure_count);
} /* }}} int post_loop_hook */
int main (int argc, char **argv) /* {{{ */
@@ -1281,11 +1293,14 @@ int main (int argc, char **argv) /* {{{ */
opt_count--;
} /* while (opt_count != 0) */
- post_loop_hook (ping);
+ status = post_loop_hook (ping);
ping_destroy (ping);
- return (0);
+ if (status)
+ return (EXIT_FAILURE + status);
+ else
+ return (EXIT_SUCCESS);
} /* }}} int main */
/* vim: set fdm=marker : */
--
1.7.5.4
