src/oping.c: Move printing header and footer into separate functions.

diff --git a/src/oping.c b/src/oping.c
index d27f187..e4584d7 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -1,6 +1,6 @@
 /**
  * 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
@@ -117,6 +117,9 @@ static ping_context_t *context_create (void)
 
 static void context_destroy (ping_context_t *context)
 {
+       if (context == NULL)
+               return;
+
        free (context);
 }
 
@@ -305,7 +308,7 @@ 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)
@@ -329,9 +332,88 @@ static void time_calc (struct timespec *ts_dest,
        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;
+
+       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++;
+       }
+
+       return (0);
+} /* }}} int print_header */
+
+static int print_footer (pingobj_t *ping)
+{
+       pingobj_iter_t *iter;
+
+       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);
+       }
 
-int main (int argc, char **argv)
+       return (0);
+} /* }}} int print_footer */
+
+int main (int argc, char **argv) /* {{{ */
 {
        pingobj_t      *ping;
        pingobj_iter_t *iter;
@@ -526,32 +608,7 @@ int main (int argc, char **argv)
        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);
@@ -620,44 +677,11 @@ int main (int argc, char **argv)
                        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 : */