X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Foping.c;h=4a605534e7e608694d475443ca615328c42b5156;hb=94a8bf0d6c869b1e6bde637dd25666d2f4cb7052;hp=ddf03e5824ccdb65f5e34ace5c2a37825233ab1b;hpb=d5a3fc99f5587e63e0c80e8a29f8d59430f3b7b9;p=liboping.git diff --git a/src/oping.c b/src/oping.c index ddf03e5..4a60553 100644 --- a/src/oping.c +++ b/src/oping.c @@ -75,12 +75,18 @@ #endif #include +#include #if USE_NCURSES # define NCURSES_OPAQUE 1 /* http://newsgroups.derkeiler.com/Archive/Rec/rec.games.roguelike.development/2010-09/msg00050.html */ # define _X_OPEN_SOURCE_EXTENDED -# include + +# if HAVE_NCURSESW_NCURSES_H +# include +# elif HAVE_NCURSES_H +# include +# endif # define OPING_GREEN 1 # define OPING_YELLOW 2 @@ -88,12 +94,36 @@ # define OPING_GREEN_HIST 4 # define OPING_YELLOW_HIST 5 # define OPING_RED_HIST 6 + +static char const * const hist_symbols_utf8[] = { + "▁", "▂", "▃", "▄", "▅", "▆", "▇", "█" }; +static size_t const hist_symbols_utf8_num = sizeof (hist_symbols_utf8) + / sizeof (hist_symbols_utf8[0]); + +/* scancodes for 6 levels of horizontal bars, ncurses-specific */ +/* those are not the usual constants because those are not constant */ +static int const hist_symbols_acs[] = { + 115, /* ACS_S9 "⎽" */ + 114, /* ACS_S7 "⎼" */ + 113, /* ACS_S5 "─" */ + 112, /* ACS_S3 "⎻" */ + 111 /* ACS_S1 "⎺" */ +}; +static size_t const hist_symbols_acs_num = sizeof (hist_symbols_acs) + / sizeof (hist_symbols_acs[0]); + +/* use different colors without a background for scancodes */ +static int const hist_colors_utf8[] = { + OPING_GREEN_HIST, OPING_YELLOW_HIST, OPING_RED_HIST }; +static int const hist_colors_acs[] = { + OPING_GREEN, OPING_YELLOW, OPING_RED }; +/* assuming that both arrays are the same size */ +static size_t const hist_colors_num = sizeof (hist_colors_utf8) + / sizeof (hist_colors_utf8[0]); #endif #include "oping.h" -const char *bars[BARS_LEN] = { "▁", "▂", "▃", "▄", "▅", "▆", "▇", "█" }; - #ifndef _POSIX_SAVED_IDS # define _POSIX_SAVED_IDS 0 #endif @@ -130,6 +160,9 @@ static char *opt_filename = NULL; static int opt_count = -1; static int opt_send_ttl = 64; static uint8_t opt_send_qos = 0; +#if USE_NCURSES +static int opt_utf8 = 0; +#endif static int host_num = 0; @@ -274,6 +307,9 @@ static void usage_exit (const char *name, int status) /* {{{ */ " -I srcaddr source address\n" " -D device outgoing interface name\n" " -f filename filename to read hosts from\n" +#if USE_NCURSES + " -u / -U force / disable UTF-8 output\n" +#endif "\noping "PACKAGE_VERSION", http://verplant.org/liboping/\n" "by Florian octo Forster \n" @@ -476,7 +512,11 @@ static int read_options (int argc, char **argv) /* {{{ */ while (1) { - optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:"); + optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:" +#if USE_NCURSES + "uU" +#endif + ); if (optchar == -1) break; @@ -547,6 +587,15 @@ static int read_options (int argc, char **argv) /* {{{ */ set_opt_send_qos (optarg); break; +#if USE_NCURSES + case 'u': + opt_utf8 = 2; + break; + case 'U': + opt_utf8 = 1; + break; +#endif + case 'h': usage_exit (argv[0], 0); break; @@ -606,10 +655,107 @@ static void time_calc (struct timespec *ts_dest, /* {{{ */ } /* }}} void time_calc */ #if USE_NCURSES +static _Bool has_utf8() /* {{{ */ +{ +# if HAVE_NCURSESW_NCURSES_H + if (!opt_utf8) + { + /* Automatically determine */ + if (strcasecmp ("UTF-8", nl_langinfo (CODESET)) == 0) + opt_utf8 = 2; + else + opt_utf8 = 1; + } + return ((_Bool) (opt_utf8 - 1)); +# else + return (0); +# endif +} /* }}} _Bool has_utf8 */ + +static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */ + double latency, unsigned int sequence) +{ + int color = OPING_RED; + char const *symbol = "!"; + int symbolc = '!'; + size_t hist_symbols_num; + size_t index_symbols; + + int x_max; + int x_pos; + + x_max = getmaxx (ctx->window); + x_pos = ((sequence - 1) % (x_max - 4)) + 2; + + if (has_utf8()) + { + hist_symbols_num = hist_symbols_utf8_num; + } + else { + hist_symbols_num = hist_symbols_acs_num; + } + + if (latency >= 0.0) + { + double ratio; + size_t intensity; + size_t index_colors; + + ratio = latency / PING_DEF_TTL; + if (ratio > 1) { + ratio = 1.0; + } + + intensity = (size_t) ((ratio * hist_symbols_num + * hist_colors_num) - 1); + + index_colors = intensity / hist_symbols_num; + assert (index_colors < hist_colors_num); + + index_symbols = intensity % hist_symbols_num; + if (has_utf8()) + { + color = hist_colors_utf8[index_colors]; + symbol = hist_symbols_utf8[index_symbols]; + } + else + { + color = hist_colors_acs[index_colors]; + symbolc = hist_symbols_acs[index_symbols] | A_ALTCHARSET; + } + } + else /* if (!(latency >= 0.0)) */ + wattron (ctx->window, A_BOLD); + + wattron (ctx->window, COLOR_PAIR(color)); + if (has_utf8()) + { + mvwprintw (ctx->window, + /* y = */ 3, + /* x = */ x_pos, + symbol); + } + else { + mvwaddch (ctx->window, + /* y = */ 3, + /* x = */ x_pos, + symbolc); + } + wattroff (ctx->window, COLOR_PAIR(color)); + + /* Use negation here to handle NaN correctly. */ + if (!(latency >= 0.0)) + wattroff (ctx->window, A_BOLD); + + wprintw (ctx->window, " "); + return (0); +} /* }}} int update_prettyping_graph */ + static int update_stats_from_context (ping_context_t *ctx, pingobj_iter_t *iter) /* {{{ */ { double latency = -1.0; size_t buffer_len = sizeof (latency); + ping_iterator_get_info (iter, PING_INFO_LATENCY, &latency, &buffer_len); @@ -652,45 +798,9 @@ static int update_stats_from_context (ping_context_t *ctx, pingobj_iter_t *iter) deviation); } - if (latency > 0.0) - { - if (has_colors () == TRUE) - { - int color = OPING_GREEN_HIST; - float ratio = 0; - int index = 0; - - ratio = latency / PING_DEF_TTL; - if (ratio > 2/3.0) { - color = OPING_RED_HIST; - } - else if (ratio > 1/3.0) { - color = OPING_YELLOW_HIST; - } - index = (int) (ratio * BARS_LEN * 3); /* 3 colors */ - /* HOST_PRINTF ("%%r%f-ia%d-", ratio, index); */ - index = index % (BARS_LEN-1); - /* HOST_PRINTF ("im%d-", index); */ - if (index < 0 || index >= BARS_LEN) { - index = 0; /* safety check */ - } - wattron (ctx->window, COLOR_PAIR(color)); - mvwprintw (ctx->window, - /* y = */ 3, /* x = */ 1 + sequence, - bars[index]); - wattroff (ctx->window, COLOR_PAIR(color)); - } - else - { - } - } - else { - wattron (ctx->window, COLOR_PAIR(OPING_RED) | A_BOLD); - mvwprintw (ctx->window, - /* y = */ 3, /* x = */ 1 + sequence, - "!"); - wattroff (ctx->window, COLOR_PAIR(OPING_RED) | A_BOLD); - } + if (has_colors () == TRUE) + update_prettyping_graph (ctx, latency, sequence); + wrefresh (ctx->window); return (0);