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diff --git a/src/oping.c b/src/oping.c
index 5c1d8a18fc91132afc42cce51b96e2815e30d6b7..09167882b46837cd361f6ec71d6b55c567936e3f 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
/**
* Object oriented C module to send ICMP and ICMPv6 `echo's.
- * Copyright (C) 2006-2010 Florian octo Forster <octo at verplant.org>
+ * Copyright (C) 2006-2011 Florian octo Forster <ff at octo.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
# define _POSIX_SAVED_IDS 0
#endif
+/* Remove GNU specific __attribute__ settings when using another compiler */
+#if !__GNUC__
+# define __attribute__(x) /**/
+#endif
+
typedef struct ping_context
{
char host[NI_MAXHOST];
static int opt_count = -1;
static int opt_send_ttl = 64;
static uint8_t opt_send_qos = 0;
+static double opt_exit_status_threshold = 1.0;
static int host_num = 0;
static void usage_exit (const char *name, int status) /* {{{ */
{
- int name_length;
-
- name_length = (int) strlen (name);
-
fprintf (stderr, "Usage: %s [OPTIONS] "
"-f filename | host [host [host ...]]\n"
" -I srcaddr source address\n"
" -D device outgoing interface name\n"
" -f filename filename to read hosts from\n"
+ " -Z percent Exit with non-zero exit status if more than this percentage of\n"
+ " probes timed out. (default: never)\n"
"\noping "PACKAGE_VERSION", http://verplant.org/liboping/\n"
"by Florian octo Forster <octo@verplant.org>\n"
exit (status);
} /* }}} void usage_exit */
-static void usage_tos_exit (const char *arg, int status) /* {{{ */
+__attribute__((noreturn))
+static void usage_qos_exit (const char *arg, int status) /* {{{ */
{
if (arg != 0)
fprintf (stderr, "Invalid QoS argument: \"%s\"\n\n", arg);
" be Best Effort (BE, default PHB).\n"
" ef Expedited Forwarding (EF) PHB group (RFC 3246).\n"
" (low delay, low loss, low jitter)\n"
+ " va Voice Admit (VA) DSCP (RFC 5865).\n"
+ " (capacity-admitted traffic)\n"
" af[1-4][1-3] Assured Forwarding (AF) PHB group (RFC 2597).\n"
" For example: \"af12\" (class 1, precedence 2)\n"
" cs[0-7] Class Selector (CS) PHB group (RFC 2474).\n"
(unsigned int) IPTOS_MINCOST);
exit (status);
-} /* }}} void usage_tos_exit */
+} /* }}} void usage_qos_exit */
static int set_opt_send_qos (const char *opt) /* {{{ */
{
return (EINVAL);
if (strcasecmp ("help", opt) == 0)
- usage_tos_exit (/* arg = */ NULL, /* status = */ EXIT_SUCCESS);
+ usage_qos_exit (/* arg = */ NULL, /* status = */ EXIT_SUCCESS);
/* DiffServ (RFC 2474): */
/* - Best effort (BE) */
else if (strcasecmp ("be", opt) == 0)
/* - Expedited Forwarding (EF, RFC 3246) */
else if (strcasecmp ("ef", opt) == 0)
opt_send_qos = 0xB8; /* == 0x2E << 2 */
+ /* - Voice Admit (VA, RFC 5865) */
+ else if (strcasecmp ("va", opt) == 0)
+ opt_send_qos = 0xB0; /* == 0x2D << 2 */
/* - Assured Forwarding (AF, RFC 2597) */
else if ((strncasecmp ("af", opt, strlen ("af")) == 0)
&& (strlen (opt) == 4))
{
uint8_t dscp;
- uint8_t class;
- uint8_t prec;
+ uint8_t class = 0;
+ uint8_t prec = 0;
/* There are four classes, AF1x, AF2x, AF3x, and AF4x. */
if (opt[2] == '1')
else if (opt[2] == '4')
class = 4;
else
- usage_tos_exit (/* arg = */ opt, /* status = */ EXIT_SUCCESS);
+ usage_qos_exit (/* arg = */ opt, /* status = */ EXIT_SUCCESS);
/* In each class, there are three precedences, AFx1, AFx2, and AFx3 */
if (opt[3] == '1')
else if (opt[3] == '3')
prec = 3;
else
- usage_tos_exit (/* arg = */ opt, /* status = */ EXIT_SUCCESS);
+ usage_qos_exit (/* arg = */ opt, /* status = */ EXIT_SUCCESS);
dscp = (8 * class) + (2 * prec);
/* The lower two bits are used for Explicit Congestion Notification (ECN) */
uint8_t class;
if ((opt[2] < '0') || (opt[2] > '7'))
- usage_tos_exit (/* arg = */ opt, /* status = */ EXIT_FAILURE);
+ usage_qos_exit (/* arg = */ opt, /* status = */ EXIT_FAILURE);
/* Not exactly legal by the C standard, but I don't know of any
* system not supporting this hack. */
if ((errno != 0) || (endptr == opt)
|| (endptr == NULL) || (*endptr != 0)
|| (value > 0xff))
- usage_tos_exit (/* arg = */ opt, /* status = */ EXIT_FAILURE);
+ usage_qos_exit (/* arg = */ opt, /* status = */ EXIT_FAILURE);
opt_send_qos = (uint8_t) value;
}
return (0);
} /* }}} int set_opt_send_qos */
+static char *format_qos (uint8_t qos, char *buffer, size_t buffer_size) /* {{{ */
+{
+ uint8_t dscp;
+ uint8_t ecn;
+ char *dscp_str;
+ char *ecn_str;
+
+ dscp = qos >> 2;
+ ecn = qos & 0x03;
+
+ switch (dscp)
+ {
+ case 0x00: dscp_str = "be"; break;
+ case 0x2e: dscp_str = "ef"; break;
+ case 0x2d: dscp_str = "va"; break;
+ case 0x0a: dscp_str = "af11"; break;
+ case 0x0c: dscp_str = "af12"; break;
+ case 0x0e: dscp_str = "af13"; break;
+ case 0x12: dscp_str = "af21"; break;
+ case 0x14: dscp_str = "af22"; break;
+ case 0x16: dscp_str = "af23"; break;
+ case 0x1a: dscp_str = "af31"; break;
+ case 0x1c: dscp_str = "af32"; break;
+ case 0x1e: dscp_str = "af33"; break;
+ case 0x22: dscp_str = "af41"; break;
+ case 0x24: dscp_str = "af42"; break;
+ case 0x26: dscp_str = "af43"; break;
+ case 0x08: dscp_str = "cs1"; break;
+ case 0x10: dscp_str = "cs2"; break;
+ case 0x18: dscp_str = "cs3"; break;
+ case 0x20: dscp_str = "cs4"; break;
+ case 0x28: dscp_str = "cs5"; break;
+ case 0x30: dscp_str = "cs6"; break;
+ case 0x38: dscp_str = "cs7"; break;
+ default: dscp_str = NULL;
+ }
+
+ switch (ecn)
+ {
+ case 0x01: ecn_str = ",ecn(1)"; break;
+ case 0x02: ecn_str = ",ecn(0)"; break;
+ case 0x03: ecn_str = ",ce"; break;
+ default: ecn_str = "";
+ }
+
+ if (dscp_str == NULL)
+ snprintf (buffer, buffer_size, "0x%02x%s", dscp, ecn_str);
+ else
+ snprintf (buffer, buffer_size, "%s%s", dscp_str, ecn_str);
+ buffer[buffer_size - 1] = 0;
+
+ return (buffer);
+} /* }}} char *format_qos */
+
static int read_options (int argc, char **argv) /* {{{ */
{
int optchar;
while (1)
{
- optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:");
+ optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:Z:");
if (optchar == -1)
break;
set_opt_send_qos (optarg);
break;
+ case 'Z':
+ {
+ char *endptr = NULL;
+ double tmp;
+
+ errno = 0;
+ tmp = strtod (optarg, &endptr);
+ if ((errno != 0) || (endptr == NULL) || (*endptr != 0))
+ fprintf (stderr, "The \"-Z\" option requires a numeric argument.\n");
+ else if ((tmp >= 0.0) && (tmp <= 100.0))
+ opt_exit_status_threshold = tmp / 100.0;
+ else
+ fprintf (stderr, "The argument of the \"-Z\" option must be between 0 and 100.\n");
+
+ break;
+ }
+
case 'h':
usage_exit (argv[0], 0);
break;
context->window = NULL;
}
context->window = newwin (/* height = */ 4,
- /* width = */ 0,
+ /* width = */ width,
/* y = */ main_win_height + (4 * context->index),
/* x = */ 0);
}
main_win_height = height - (4 * host_num);
main_win = newwin (/* height = */ main_win_height,
- /* width = */ 0,
+ /* width = */ width,
/* y = */ 0, /* x = */ 0);
/* Allow scrolling */
scrollok (main_win, TRUE);
context->window = NULL;
}
context->window = newwin (/* height = */ 4,
- /* width = */ 0,
+ /* width = */ width,
/* y = */ main_win_height + (4 * context->index),
/* x = */ 0);
}
@@ -759,12 +840,13 @@ static int post_sleep_hook (__attribute__((unused)) pingobj_t *ping) /* {{{ */
#endif
static void update_host_hook (pingobj_iter_t *iter, /* {{{ */
- int index)
+ __attribute__((unused)) int index)
{
double latency;
unsigned int sequence;
int recv_ttl;
- uint8_t recv_tos;
+ uint8_t recv_qos;
+ char recv_qos_str[16];
size_t buffer_len;
size_t data_len;
ping_context_t *context;
ping_iterator_get_info (iter, PING_INFO_RECV_TTL,
&recv_ttl, &buffer_len);
- recv_tos = 0;
- buffer_len = sizeof (recv_tos);
- ping_iterator_get_info (iter, PING_INFO_RECV_TOS,
- &recv_tos, &buffer_len);
+ recv_qos = 0;
+ buffer_len = sizeof (recv_qos);
+ ping_iterator_get_info (iter, PING_INFO_RECV_QOS,
+ &recv_qos, &buffer_len);
data_len = 0;
ping_iterator_get_info (iter, PING_INFO_DATA,
|| (latency > (average + stddev)))
color = OPING_YELLOW;
- HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i tos=0x%02"PRIx8
- " time=",
+ HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i ",
data_len, context->host, context->addr,
- sequence, recv_ttl, recv_tos);
+ sequence, recv_ttl,
+ format_qos (recv_qos, recv_qos_str, sizeof (recv_qos_str)));
+ if ((recv_qos != 0) || (opt_send_qos != 0))
+ {
+ HOST_PRINTF ("qos=%s ",
+ format_qos (recv_qos, recv_qos_str, sizeof (recv_qos_str)));
+ }
+ HOST_PRINTF ("time=");
wattron (main_win, COLOR_PAIR(color));
HOST_PRINTF ("%.2f", latency);
wattroff (main_win, COLOR_PAIR(color));
else
{
#endif
- HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i tos=0x%02"PRIx8
- " time=%.2f ms\n",
+ HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i ",
data_len,
context->host, context->addr,
- sequence, recv_ttl, recv_tos, latency);
+ sequence, recv_ttl);
+ if ((recv_qos != 0) || (opt_send_qos != 0))
+ {
+ HOST_PRINTF ("qos=%s ",
+ format_qos (recv_qos, recv_qos_str, sizeof (recv_qos_str)));
+ }
+ HOST_PRINTF ("time=%.2f ms\n", latency);
#if USE_NCURSES
}
#endif
#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 ();
context_get_packet_loss (context),
context->latency_total);
+ {
+ double pct_failed = 1.0 - (((double) context->req_rcvd)
+ / ((double) context->req_sent));
+ if (pct_failed > opt_exit_status_threshold)
+ failure_count++;
+ }
+
if (context->req_rcvd != 0)
{
double average;
context_destroy (context);
}
- return (0);
+ return (failure_count);
} /* }}} int post_loop_hook */
int main (int argc, char **argv) /* {{{ */
opt_send_ttl, ping_get_error (ping));
}
- if (ping_setopt (ping, PING_OPT_TOS, &opt_send_qos) != 0)
+ if (ping_setopt (ping, PING_OPT_QOS, &opt_send_qos) != 0)
{
fprintf (stderr, "Setting TOS to %i failed: %s\n",
opt_send_qos, ping_get_error (ping));
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 : */