noping: Use colors to highlight "unusual" response times.

diff --git a/src/oping.c b/src/oping.c
index 3934b4a65db0bfc8b4ad0d320c465077d287a235..bc606e5f37c7396ec3bfdcf61bc039dfe9432954 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -64,6 +64,10 @@
 
 #if USE_NCURSES
 # include <ncurses.h>
+
+# define OPING_GREEN 1
+# define OPING_YELLOW 2
+# define OPING_RED 3
 #endif
 
 #include "oping.h"
@@ -501,17 +505,63 @@ static void print_host (pingobj_iter_t *iter, /* {{{ */
                if ((context->latency_min < 0.0) || (context->latency_min > latency))
                        context->latency_min = latency;
 
+#if USE_NCURSES
+               if (has_colors () == TRUE)
+               {
+                       int color = OPING_GREEN;
+                       double average = context_get_average (context);
+                       double stddev = context_get_stddev (context);
+
+                       if ((latency < (average - (2 * stddev)))
+                                       || (latency > (average + (2 * stddev))))
+                               color = OPING_RED;
+                       else if ((latency < (average - stddev))
+                                       || (latency > (average + stddev)))
+                               color = OPING_YELLOW;
+
+                       HOST_PRINTF ("%zu bytes from %s (%s): icmp_seq=%u ttl=%i "
+                                       "time=",
+                                       data_len, context->host, context->addr,
+                                       sequence, recv_ttl);
+                       wattron (main_win, COLOR_PAIR(color));
+                       HOST_PRINTF ("%.2f", latency);
+                       wattroff (main_win, COLOR_PAIR(color));
+                       HOST_PRINTF (" ms\n");
+               }
+               else
+               {
+#endif
                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);
+#if USE_NCURSES
+               }
+#endif
        }
        else
        {
+#if USE_NCURSES
+               if (has_colors () == TRUE)
+               {
+                       HOST_PRINTF ("echo reply from %s (%s): icmp_seq=%u ",
+                                       context->host, context->addr,
+                                       sequence);
+                       wattron (main_win, COLOR_PAIR(OPING_RED) | A_BOLD);
+                       HOST_PRINTF ("timeout");
+                       wattroff (main_win, COLOR_PAIR(OPING_RED) | A_BOLD);
+                       HOST_PRINTF ("\n");
+               }
+               else
+               {
+#endif
                HOST_PRINTF ("echo reply from %s (%s): icmp_seq=%u timeout\n",
                                context->host, context->addr,
                                sequence);
+#if USE_NCURSES
+               }
+#endif
        }
 
 #if USE_NCURSES
@@ -530,6 +580,14 @@ static int print_header (pingobj_t *ping) /* {{{ */
        cbreak ();
        noecho ();
        nodelay (stdscr, TRUE);
+
+       if (has_colors () == TRUE)
+       {
+               start_color ();
+               init_pair (OPING_GREEN,  COLOR_GREEN,  /* default = */ 0);
+               init_pair (OPING_YELLOW, COLOR_YELLOW, /* default = */ 0);
+               init_pair (OPING_RED,    COLOR_RED,    /* default = */ 0);
+       }
 #endif
 
        index = 0;