char host[NI_MAXHOST];
char addr[NI_MAXHOST];
+ int index;
int req_sent;
int req_rcvd;
static int opt_count = -1;
static int opt_send_ttl = 64;
+static int host_num = 0;
+
#if USE_NCURSES
static WINDOW *main_win = NULL;
#endif
opt_count = 0;
} /* }}} void sigint_handler */
-static ping_context_t *context_create (void)
+static ping_context_t *context_create (void) /* {{{ */
{
ping_context_t *ret;
#endif
return (ret);
-}
+} /* }}} ping_context_t *context_create */
-static void context_destroy (ping_context_t *context)
+static void context_destroy (ping_context_t *context) /* {{{ */
{
if (context == NULL)
return;
#endif
free (context);
-}
+} /* }}} void context_destroy */
static double context_get_average (ping_context_t *ctx) /* {{{ */
{
/ ((double) ctx->req_sent));
} /* }}} double context_get_packet_loss */
-static void usage_exit (const char *name, int status)
+static int ping_initialize_contexts (pingobj_t *ping) /* {{{ */
+{
+ pingobj_iter_t *iter;
+ int index;
+
+ if (ping == NULL)
+ return (EINVAL);
+
+ index = 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 ();
+ context->index = index;
+
+ 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);
+
+ ping_iterator_set_context (iter, (void *) context);
+
+ index++;
+ }
+
+ return (0);
+} /* }}} int ping_initialize_contexts */
+
+static void usage_exit (const char *name, int status) /* {{{ */
{
int name_length;
"for contributions see `AUTHORS'\n",
name);
exit (status);
-}
+} /* }}} void usage_exit */
static int read_options (int argc, char **argv) /* {{{ */
{
} /* }}} void time_calc */
#if USE_NCURSES
-static int context_window_repaint (ping_context_t *ctx, /* {{{ */
- int index)
+static int update_stats_from_context (ping_context_t *ctx) /* {{{ */
{
- if (ctx == NULL)
+ if ((ctx == NULL) || (ctx->window == NULL))
return (EINVAL);
- if (ctx->window == NULL)
- {
- ctx->window = newwin (/* height = */ 4, /* width = */ 0,
- /* start y = */ 4 * index, /* start x = */ 0);
- }
- else /* if (ctx->window != NULL) */
- {
- werase (ctx->window);
- }
+ werase (ctx->window);
box (ctx->window, 0, 0);
wattron (ctx->window, A_BOLD);
wrefresh (ctx->window);
return (0);
-} /* }}} int context_window_repaint */
+} /* }}} int update_stats_from_context */
-static int resize_windows (pingobj_t *ping) /* {{{ */
+static int on_resize (pingobj_t *ping) /* {{{ */
{
- int index;
pingobj_iter_t *iter;
int width = 0;
int height = 0;
+ int main_win_height;
+
+ getmaxyx (stdscr, height, width);
+ if ((height < 1) || (width < 1))
+ return (EINVAL);
+
+ main_win_height = height - (4 * host_num);
+#if 1
+ wresize (main_win, main_win_height, /* width = */ 0);
+#else
+ delwin (main_win);
+ main_win = newwin (/* height = */ main_win_height,
+ /* width = */ 0,
+ /* y = */ 0, /* x = */ 0);
+#endif
+ /* Allow scrolling */
+ scrollok (main_win, TRUE);
+ /* wsetscrreg (main_win, 0, main_win_height - 1); */
+ /* Allow hardware accelerated scrolling. */
+ idlok (main_win, TRUE);
+ wrefresh (main_win);
+
+ for (iter = ping_iterator_get (ping);
+ iter != NULL;
+ iter = ping_iterator_next (iter))
+ {
+ ping_context_t *context;
+
+ context = ping_iterator_get_context (iter);
+ if (context == NULL)
+ continue;
+
+ if (context->window != NULL)
+ {
+ delwin (context->window);
+ context->window = NULL;
+ }
+ context->window = newwin (/* height = */ 4,
+ /* width = */ 0,
+ /* y = */ main_win_height + (4 * context->index),
+ /* x = */ 0);
+ }
+
+ return (0);
+} /* }}} */
+
+static int check_resize (pingobj_t *ping) /* {{{ */
+{
int need_resize = 0;
while (42)
need_resize = 1;
}
- if (!need_resize)
+ if (need_resize)
+ return (on_resize (ping));
+ else
return (0);
+} /* }}} int check_resize */
+
+static int pre_loop_hook (pingobj_t *ping) /* {{{ */
+{
+ pingobj_iter_t *iter;
+ int width = 0;
+ int height = 0;
+ int main_win_height;
+
+ initscr ();
+ cbreak ();
+ noecho ();
+ nodelay (stdscr, TRUE);
getmaxyx (stdscr, height, width);
if ((height < 1) || (width < 1))
return (EINVAL);
- index = 0;
+ 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);
+ }
+
+ main_win_height = height - (4 * host_num);
+ main_win = newwin (/* height = */ main_win_height,
+ /* width = */ 0,
+ /* y = */ 0, /* x = */ 0);
+ /* Allow scrolling */
+ scrollok (main_win, TRUE);
+ /* wsetscrreg (main_win, 0, main_win_height - 1); */
+ /* Allow hardware accelerated scrolling. */
+ idlok (main_win, TRUE);
+ wmove (main_win, /* y = */ main_win_height - 1, /* x = */ 0);
+ wrefresh (main_win);
+
for (iter = ping_iterator_get (ping);
iter != NULL;
iter = ping_iterator_next (iter))
{
- ping_context_t *ctx = ping_iterator_get_context (iter);
+ ping_context_t *context;
- if (ctx->window == NULL)
- {
- index++;
+ context = ping_iterator_get_context (iter);
+ if (context == NULL)
continue;
+
+ if (context->window != NULL)
+ {
+ delwin (context->window);
+ context->window = NULL;
}
+ context->window = newwin (/* height = */ 4,
+ /* width = */ 0,
+ /* y = */ main_win_height + (4 * context->index),
+ /* x = */ 0);
+ }
- wresize (ctx->window, 4, width);
- context_window_repaint (ctx, index);
- index++;
+ /* Don't know what good this does exactly, but without this code
+ * "check_resize" will be called right after startup and *somehow*
+ * this leads to display errors. If we purge all initial characters
+ * here, the problem goes away. "wgetch" is non-blocking due to
+ * "nodelay" (see above). */
+ while (wgetch (stdscr) != ERR)
+ {
+ /* eat up characters */;
}
- if (main_win != NULL)
+ return (0);
+} /* }}} int pre_loop_hook */
+
+static int pre_sleep_hook (pingobj_t *ping) /* {{{ */
+{
+ return (check_resize (ping));
+} /* }}} int pre_sleep_hook */
+
+static int post_sleep_hook (pingobj_t *ping) /* {{{ */
+{
+ return (check_resize (ping));
+} /* }}} int pre_sleep_hook */
+#else /* if !USE_NCURSES */
+static int pre_loop_hook (pingobj_t *ping) /* {{{ */
+{
+ pingobj_iter_t *iter;
+
+ for (iter = ping_iterator_get (ping);
+ iter != NULL;
+ iter = ping_iterator_next (iter))
{
- wresize (main_win, height - (4 * index), width);
- /* touchwin (main_win); */
- /* wrefresh (main_win); */
- clearok (main_win, TRUE);
+ ping_context_t *ctx;
+ size_t buffer_size;
+
+ ctx = ping_iterator_get_context (iter);
+ if (ctx == NULL)
+ continue;
+
+ buffer_size = 0;
+ ping_iterator_get_info (iter, PING_INFO_DATA, NULL, &buffer_size);
+
+ printf ("PING %s (%s) %zu bytes of data.\n",
+ ctx->host, ctx->addr, buffer_size);
}
return (0);
-} /* }}} int resize_windows */
+} /* }}} int pre_loop_hook */
+
+static int pre_sleep_hook (__attribute__((unused)) pingobj_t *ping) /* {{{ */
+{
+ fflush (stdout);
+
+ return (0);
+} /* }}} int pre_sleep_hook */
+
+static int post_sleep_hook (__attribute__((unused)) pingobj_t *ping) /* {{{ */
+{
+ return (0);
+} /* }}} int post_sleep_hook */
#endif
-static void print_host (pingobj_iter_t *iter, /* {{{ */
+static void update_host_hook (pingobj_iter_t *iter, /* {{{ */
int index)
{
double latency;
}
#if USE_NCURSES
- context_window_repaint (context, index);
+ update_stats_from_context (context);
wrefresh (main_win);
#endif
-} /* }}} void print_host */
-
-static int print_header (pingobj_t *ping) /* {{{ */
-{
- pingobj_iter_t *iter;
- int index;
-
-#if USE_NCURSES
- initscr ();
- 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;
- 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);
-
-#if USE_NCURSES
- context_window_repaint (context, index);
-#else /* !USE_NCURSES */
- printf ("PING %s (%s) %zu bytes of data.\n",
- context->host, context->addr, buffer_size);
-#endif
+} /* }}} void update_host_hook */
- ping_iterator_set_context (iter, (void *) context);
-
- index++;
- }
-
-#if USE_NCURSES
- main_win = newwin (/* height = */ 0, /* width = */ 0,
- /* y = */ 4 * index, /* x = */ 0);
- /* Allow scrolling */
- scrollok (main_win, TRUE);
- /* Allow hardware accelerated scrolling. */
- idlok (main_win, TRUE);
-
- /* Don't know what good this does exactly, but without this code
- * "resize_windows" will be called right after startup and *somehow*
- * this leads to display errors. If we purge all initial characters
- * here, the problem goes away. "wgetch" is non-blocking due to
- * "nodelay" (see above). */
- while (wgetch (stdscr) != ERR)
- {
- /* eat up characters */;
- }
-#endif
-
- return (0);
-} /* }}} int print_header */
-
-static int print_footer (pingobj_t *ping) /* {{{ */
+static int post_loop_hook (pingobj_t *ping) /* {{{ */
{
pingobj_iter_t *iter;
}
return (0);
-} /* }}} int print_footer */
+} /* }}} int post_loop_hook */
int main (int argc, char **argv) /* {{{ */
{
fprintf (stderr, "Adding host `%s' failed: %s\n", host, errmsg);
continue;
}
+ else
+ {
+ host_num++;
+ }
}
#if _POSIX_SAVED_IDS
fprintf (stderr, "Adding host `%s' failed: %s\n", argv[i], errmsg);
continue;
}
+ else
+ {
+ host_num++;
+ }
}
/* Permanently drop root privileges if we're setuid-root. */
saved_set_uid = (uid_t) -1;
#endif
- print_header (ping);
+ ping_initialize_contexts (ping);
if (i == 0)
return (1);
return (1);
}
+ pre_loop_hook (ping);
+
while (opt_count != 0)
{
int index;
iter != NULL;
iter = ping_iterator_next (iter))
{
- print_host (iter, index);
+ update_host_hook (iter, index);
index++;
}
-#if !USE_NCURSES
- fflush (stdout);
-#endif
+
+ pre_sleep_hook (ping);
/* Don't sleep in the last iteration */
if (opt_count == 1)
/* sigint */
break;
}
-
-#if USE_NCURSES
- resize_windows (ping);
-#endif
}
-#if USE_NCURSES
- resize_windows (ping);
-#endif
+ post_sleep_hook (ping);
if (opt_count > 0)
opt_count--;
} /* while (opt_count != 0) */
- print_footer (ping);
+ post_loop_hook (ping);
ping_destroy (ping);
projects / liboping.git / commitdiff