/**
* Object oriented C module to send ICMP and ICMPv6 `echo's.
- * Copyright (C) 2006 Florian octo Forster <octo at verplant.org>
+ * Copyright (C) 2006-2010 Florian octo Forster <octo at verplant.org>
*
* 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
#include <sys/types.h>
#endif
+#if USE_NCURSES
+# include <ncurses.h>
+#endif
+
#include "oping.h"
#ifndef _POSIX_SAVED_IDS
double latency_max;
double latency_total;
double latency_total_square;
+
+#if USE_NCURSES
+ WINDOW *window;
+#endif
} ping_context_t;
static double opt_interval = 1.0;
static int opt_count = -1;
static int opt_send_ttl = 64;
-static void sigint_handler (int signal)
+#if USE_NCURSES
+static WINDOW *main_win = NULL;
+#endif
+
+static void sigint_handler (int signal) /* {{{ */
{
/* Make compiler happy */
signal = 0;
/* Exit the loop */
opt_count = 0;
-}
+} /* }}} void sigint_handler */
static ping_context_t *context_create (void)
{
ret->latency_total = 0.0;
ret->latency_total_square = 0.0;
+#if USE_NCURSES
+ ret->window = NULL;
+#endif
+
return (ret);
}
static void context_destroy (ping_context_t *context)
{
+ if (context == NULL)
+ return;
+
+#if USE_NCURSES
+ if (context->window != NULL)
+ {
+ delwin (context->window);
+ context->window = NULL;
+ }
+#endif
+
free (context);
}
+static double context_get_average (ping_context_t *ctx) /* {{{ */
+{
+ double num_total;
+
+ if (ctx == NULL)
+ return (-1.0);
+
+ if (ctx->req_rcvd < 1)
+ return (-0.0);
+
+ num_total = (double) ctx->req_rcvd;
+ return (ctx->latency_total / num_total);
+} /* }}} double context_get_average */
+
+static double context_get_stddev (ping_context_t *ctx) /* {{{ */
+{
+ double num_total;
+
+ if (ctx == NULL)
+ return (-1.0);
+
+ if (ctx->req_rcvd < 1)
+ return (-0.0);
+ else if (ctx->req_rcvd < 2)
+ return (0.0);
+
+ num_total = (double) ctx->req_rcvd;
+ return (sqrt (((num_total * ctx->latency_total_square)
+ - (ctx->latency_total * ctx->latency_total))
+ / (num_total * (num_total - 1.0))));
+} /* }}} double context_get_stddev */
+
+static double context_get_packet_loss (const ping_context_t *ctx) /* {{{ */
+{
+ if (ctx == NULL)
+ return (-1.0);
+
+ if (ctx->req_sent < 1)
+ return (0.0);
+
+ return (100.0 * (ctx->req_sent - ctx->req_rcvd)
+ / ((double) ctx->req_sent));
+} /* }}} double context_get_packet_loss */
+
static void usage_exit (const char *name, int status)
{
int name_length;
exit (status);
}
-static int read_options (int argc, char **argv)
+static int read_options (int argc, char **argv) /* {{{ */
{
int optchar;
}
return (optind);
-}
+} /* }}} read_options */
static void print_host (pingobj_iter_t *iter)
{
context = (ping_context_t *) ping_iterator_get_context (iter);
+#if USE_NCURSES
+# define HOST_PRINTF(...) wprintw(main_win, __VA_ARGS__)
+#else
+# define HOST_PRINTF(...) printf(__VA_ARGS__)
+#endif
+
context->req_sent++;
if (latency > 0.0)
{
if ((context->latency_min < 0.0) || (context->latency_min > latency))
context->latency_min = latency;
- printf ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i time=%.2f ms\n",
+ HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i "
+ "time=%.2f ms\n",
data_len,
context->host, context->addr,
sequence, recv_ttl, latency);
}
else
{
- printf ("echo reply from %s (%s): icmp_seq=%u timeout\n",
+ HOST_PRINTF ("echo reply from %s (%s): icmp_seq=%u timeout\n",
context->host, context->addr,
sequence);
}
+
+#if USE_NCURSES
+ wrefresh (main_win);
+ werase (context->window);
+ box (context->window, 0, 0);
+ mvwprintw (context->window, /* y = */ 0, /* x = */ 5,
+ " %s ping statistics ",
+ context->host);
+ mvwprintw (context->window, /* y = */ 1, /* x = */ 2,
+ "%i packets transmitted, %i received, %.2f%% packet "
+ "loss, time %.1fms",
+ context->req_sent, context->req_rcvd,
+ 100.0 * (context->req_sent - context->req_rcvd) / ((double) context->req_sent),
+ context->latency_total);
+ if (context->req_rcvd != 0)
+ {
+ double average;
+ double deviation;
+
+ average = context_get_average (context);
+ deviation = context_get_stddev (context);
+
+ mvwprintw (context->window, /* y = */ 2, /* x = */ 2,
+ "rtt min/avg/max/sdev = %.3f/%.3f/%.3f/%.3f ms",
+ context->latency_min,
+ average,
+ context->latency_max,
+ deviation);
+ }
+ wrefresh (context->window);
+#endif
}
static void time_normalize (struct timespec *ts)
}
}
-static void time_calc (struct timespec *ts_dest,
+static void time_calc (struct timespec *ts_dest, /* {{{ */
const struct timespec *ts_int,
const struct timeval *tv_begin,
const struct timeval *tv_end)
ts_dest->tv_sec = ts_dest->tv_sec - tv_end->tv_sec;
ts_dest->tv_nsec = ts_dest->tv_nsec - (tv_end->tv_usec * 1000);
time_normalize (ts_dest);
-}
+} /* }}} void time_calc */
+
+static int print_header (pingobj_t *ping) /* {{{ */
+{
+ pingobj_iter_t *iter;
+ int i;
+
+#if USE_NCURSES
+ initscr ();
+ cbreak ();
+ noecho ();
+#endif
+
+ i = 0;
+ for (iter = ping_iterator_get (ping);
+ iter != NULL;
+ iter = ping_iterator_next (iter))
+ {
+ ping_context_t *context;
+ size_t buffer_size;
+
+ context = context_create ();
-int main (int argc, char **argv)
+ buffer_size = sizeof (context->host);
+ ping_iterator_get_info (iter, PING_INFO_HOSTNAME, context->host, &buffer_size);
+
+ buffer_size = sizeof (context->addr);
+ ping_iterator_get_info (iter, PING_INFO_ADDRESS, context->addr, &buffer_size);
+
+ buffer_size = 0;
+ ping_iterator_get_info (iter, PING_INFO_DATA, NULL, &buffer_size);
+
+#if USE_NCURSES
+ context->window = newwin (/* height = */ 4, COLS,
+ /* start y = */ 4*i, /* start x = */ 0);
+ box (context->window, 0, 0);
+ mvwprintw (context->window, /* y = */ 0, /* x = */ 5,
+ " %s ping statistics ",
+ context->host);
+ wrefresh (context->window);
+#else /* !USE_NCURSES */
+ printf ("PING %s (%s) %zu bytes of data.\n",
+ context->host, context->addr, buffer_size);
+#endif
+
+ ping_iterator_set_context (iter, (void *) context);
+
+ i++;
+ }
+
+#if USE_NCURSES
+ delwin (main_win);
+ main_win = newwin (LINES - 4*i, COLS, 4*i, 0);
+ scrollok (main_win, TRUE);
+#endif
+
+ return (0);
+} /* }}} int print_header */
+
+static int print_footer (pingobj_t *ping)
+{
+ pingobj_iter_t *iter;
+
+#if USE_NCURSES
+ endwin ();
+#endif
+
+ for (iter = ping_iterator_get (ping);
+ iter != NULL;
+ iter = ping_iterator_next (iter))
+ {
+ ping_context_t *context;
+
+ context = ping_iterator_get_context (iter);
+
+ printf ("\n--- %s ping statistics ---\n"
+ "%i packets transmitted, %i received, %.2f%% packet loss, time %.1fms\n",
+ context->host, context->req_sent, context->req_rcvd,
+ context_get_packet_loss (context),
+ context->latency_total);
+
+ if (context->req_rcvd != 0)
+ {
+ double average;
+ double deviation;
+
+ average = context_get_average (context);
+ deviation = context_get_stddev (context);
+
+ printf ("rtt min/avg/max/sdev = %.3f/%.3f/%.3f/%.3f ms\n",
+ context->latency_min,
+ average,
+ context->latency_max,
+ deviation);
+ }
+
+ ping_iterator_set_context (iter, NULL);
+ context_destroy (context);
+ }
+
+ return (0);
+} /* }}} int print_footer */
+
+int main (int argc, char **argv) /* {{{ */
{
pingobj_t *ping;
pingobj_iter_t *iter;
saved_set_uid = (uid_t) -1;
#endif
- i = 0;
- for (iter = ping_iterator_get (ping);
- iter != NULL;
- iter = ping_iterator_next (iter))
- {
- ping_context_t *context;
- size_t buffer_size;
-
- context = context_create ();
-
- buffer_size = sizeof (context->host);
- ping_iterator_get_info (iter, PING_INFO_HOSTNAME, context->host, &buffer_size);
-
- buffer_size = sizeof (context->addr);
- ping_iterator_get_info (iter, PING_INFO_ADDRESS, context->addr, &buffer_size);
-
- buffer_size = 0;
- ping_iterator_get_info (iter, PING_INFO_DATA, NULL, &buffer_size);
-
- printf ("PING %s (%s) %zu bytes of data.\n",
- context->host, context->addr, buffer_size);
-
- ping_iterator_set_context (iter, (void *) context);
-
- i++;
- }
+ print_header (ping);
if (i == 0)
return (1);
opt_count--;
} /* while (opt_count != 0) */
- for (iter = ping_iterator_get (ping);
- iter != NULL;
- iter = ping_iterator_next (iter))
- {
- ping_context_t *context;
-
- context = ping_iterator_get_context (iter);
-
- printf ("\n--- %s ping statistics ---\n"
- "%i packets transmitted, %i received, %.2f%% packet loss, time %.1fms\n",
- context->host, context->req_sent, context->req_rcvd,
- 100.0 * (context->req_sent - context->req_rcvd) / ((double) context->req_sent),
- context->latency_total);
-
- if (context->req_rcvd != 0)
- {
- double num_total;
- double average;
- double deviation;
-
- num_total = (double) context->req_rcvd;
-
- average = context->latency_total / num_total;
- deviation = sqrt (((num_total * context->latency_total_square) - (context->latency_total * context->latency_total))
- / (num_total * (num_total - 1.0)));
-
- printf ("rtt min/avg/max/sdev = %.3f/%.3f/%.3f/%.3f ms\n",
- context->latency_min,
- average,
- context->latency_max,
- deviation);
- }
-
- ping_iterator_set_context (iter, NULL);
- context_destroy (context);
- }
+ print_footer (ping);
ping_destroy (ping);
return (0);
-}
+} /* }}} int main */
+
+/* vim: set fdm=marker : */
projects / liboping.git / blobdiff