/**
* Object oriented C module to send ICMP and ICMPv6 `echo's.
- * Copyright (C) 2006-2016 Florian octo Forster <ff at octo.it>
+ * Copyright (C) 2006-2017 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
* and HISTORY_SIZE_MAX. */
size_t history_size;
- /* Number "received" entries in the history, i.e. non-NAN entries. */
+ /* Total number of reponses received. */
size_t history_received;
/* Index of the next RTT to be written to history_by_time. This wraps
memcpy (ctx->history_by_value, ctx->history_by_time,
sizeof (ctx->history_by_time));
+ /* Remove impossible values caused by adding a new host */
+ for (i = 0; i < ctx->history_size; i++)
+ if (ctx->history_by_value[i] < 0)
+ ctx->history_by_value[i] = NAN;
+
/* Sort all RTTs. */
qsort (ctx->history_by_value, ctx->history_size, sizeof
(ctx->history_by_value[0]), compare_double);
{
pingobj_iter_t *iter;
int index;
+ size_t history_size = 0;
if (ping == NULL)
return (EINVAL);
{
ping_context_t *context;
size_t buffer_size;
+ int i;
+
+ context = ping_iterator_get_context(iter);
+
+ /* if this is a previously existing host, do not recreate it */
+ if (context != NULL)
+ {
+ history_size = context->history_size;
+ context->index = index++;
+ continue;
+ }
context = context_create ();
context->index = index;
+ /* start new hosts at the same graph point as old hosts */
+ context->history_size = history_size;
+ context->history_index = history_size;
+ for (i = 0; i < history_size; i++)
+ context->history_by_time[i] = -1;
+
buffer_size = sizeof (context->host);
ping_iterator_get_info (iter, PING_INFO_HOSTNAME, context->host, &buffer_size);
} /* }}} int update_graph_boxplot */
static int update_graph_prettyping (ping_context_t *ctx, /* {{{ */
- double latency, unsigned int sequence)
+ double latency)
{
size_t x;
size_t x_max;
index = (history_offset + x) % ctx->history_size;
latency = ctx->history_by_time[index];
+ if (latency < 0) {
+ continue;
+ }
+
if (latency >= 0.0)
{
double ratio;
ping_iterator_get_info (iter, PING_INFO_LATENCY,
&latency, &buffer_len);
- unsigned int sequence = 0;
- buffer_len = sizeof (sequence);
- ping_iterator_get_info (iter, PING_INFO_SEQUENCE,
- &sequence, &buffer_len);
-
-
if ((ctx == NULL) || (ctx->window == NULL))
return (EINVAL);
}
if (opt_show_graph == 1)
- update_graph_prettyping (ctx, latency, sequence);
+ update_graph_prettyping (ctx, latency);
else if (opt_show_graph == 2)
update_graph_histogram (ctx);
else if (opt_show_graph == 3)
if (context->window != NULL)
{
+ werase (context->window);
+ wrefresh (context->window);
delwin (context->window);
context->window = NULL;
}
else if (opt_show_graph > 0)
opt_show_graph++;
}
+ else if (key == 'a')
+ {
+ char host[NI_MAXHOST];
+
+ wprintw (main_win, "New Host: ");
+ echo ();
+ wgetnstr (main_win, host, sizeof (host));
+ noecho ();
+
+ if (ping_host_add(ping, host) < 0)
+ {
+ const char *errmsg = ping_get_error (ping);
+
+ wprintw (main_win, "Adding host `%s' failed: %s\n", host, errmsg);
+ }
+ else
+ {
+ /* FIXME - scroll main_win correctly so that old
+ * data is still visible */
+ need_resize = 1;
+ host_num = ping_iterator_count(ping);
+ ping_initialize_contexts(ping);
+ }
+ }
}
if (need_resize)