2 * vim:ts=4:sw=4:expandtab
4 * i3status – Generates a status line for dzen2 or xmobar
6 * Copyright © 2008 Michael Stapelberg and contributors
7 * Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
8 * Copyright © 2010 Axel Wagner <mail at merovius dot de>
9 * Copyright © 2010 Fernando Tarlá Cardoso Lemos <fernandotcl at gmail dot com>
11 * See file LICENSE for license information.
20 #include <sys/socket.h>
21 #include <netinet/in.h>
27 #include <sys/types.h>
32 #include <yajl/yajl_gen.h>
33 #include <yajl/yajl_version.h>
37 #define exit_if_null(pointer, ...) \
39 if (pointer == NULL) \
43 #define CFG_CUSTOM_ALIGN_OPT \
44 CFG_STR_CB("align", NULL, CFGF_NONE, parse_align)
46 #define CFG_COLOR_OPTS(good, degraded, bad) \
47 CFG_STR("color_good", good, CFGF_NONE), \
48 CFG_STR("color_degraded", degraded, CFGF_NONE), \
49 CFG_STR("color_bad", bad, CFGF_NONE)
51 #define CFG_CUSTOM_COLOR_OPTS CFG_COLOR_OPTS(NULL, NULL, NULL)
53 #define CFG_CUSTOM_MIN_WIDTH_OPT \
54 CFG_PTR_CB("min_width", NULL, CFGF_NONE, parse_min_width, free)
56 /* socket file descriptor for general purposes */
59 static bool exit_upon_signal = false;
61 cfg_t *cfg, *cfg_general, *cfg_section;
65 pthread_t main_thread;
68 * Set the exit_upon_signal flag, because one cannot do anything in a safe
69 * manner in a signal handler (e.g. fprintf, which we really want to do for
70 * debugging purposes), see
71 * https://www.securecoding.cert.org/confluence/display/seccode/SIG30-C.+Call+only+asynchronous-safe+functions+within+signal+handlers
74 void fatalsig(int signum) {
75 exit_upon_signal = true;
79 * Do nothing upon SIGUSR1. Running this signal handler will nevertheless
80 * interrupt nanosleep() so that i3status immediately generates new output.
83 void sigusr1(int signum) {
87 * Checks if the given path exists by calling stat().
90 static bool path_exists(const char *path) {
92 return (stat(path, &buf) == 0);
95 static void *scalloc(size_t size) {
96 void *result = calloc(size, 1);
97 exit_if_null(result, "Error: out of memory (calloc(%zd))\n", size);
101 static char *sstrdup(const char *str) {
102 char *result = strdup(str);
103 exit_if_null(result, "Error: out of memory (strdup())\n");
108 * Parses the "align" module option (to validate input).
110 static int parse_align(cfg_t *context, cfg_opt_t *option, const char *value, void *result) {
111 if (strcasecmp(value, "left") != 0 && strcasecmp(value, "right") != 0 && strcasecmp(value, "center") != 0)
112 die("Invalid alignment attribute found in section %s, line %d: \"%s\"\n"
113 "Valid attributes are: left, center, right\n",
114 context->name, context->line, value);
116 const char **cresult = result;
123 * Parses the "min_width" module option whose value can either be a string or an integer.
125 static int parse_min_width(cfg_t *context, cfg_opt_t *option, const char *value, void *result) {
127 long num = strtol(value, &end, 10);
130 die("Invalid min_width attribute found in section %s, line %d: %d\n"
131 "Expected positive integer or string\n",
132 context->name, context->line, num);
133 else if (num == LONG_MIN || num == LONG_MAX || (end && *end != '\0'))
136 if (strlen(value) == 0)
137 die("Empty min_width attribute found in section %s, line %d\n"
138 "Expected positive integer or non-empty string\n",
139 context->name, context->line);
141 if (strcmp(value, "0") == 0)
142 die("Invalid min_width attribute found in section %s, line %d: \"%s\"\n"
143 "Expected positive integer or string\n",
144 context->name, context->line, value);
146 struct min_width *parsed = scalloc(sizeof(struct min_width));
149 /* num is preferred, but if it’s 0 (i.e. not valid), store and use
150 * the raw string value */
152 parsed->str = sstrdup(value);
154 struct min_width **cresult = result;
161 * Validates a color in "#RRGGBB" format
164 static int valid_color(const char *value) {
165 const int len = strlen(value);
167 if (output_format == O_LEMONBAR) {
168 /* lemonbar supports an optional alpha channel */
169 if (len != strlen("#rrggbb") && len != strlen("#aarrggbb")) {
173 if (len != strlen("#rrggbb")) {
179 for (int i = 1; i < len; ++i) {
180 if (value[i] >= '0' && value[i] <= '9')
182 if (value[i] >= 'a' && value[i] <= 'f')
184 if (value[i] >= 'A' && value[i] <= 'F')
192 * This function resolves ~ in pathnames.
193 * It may resolve wildcards in the first part of the path, but if no match
194 * or multiple matches are found, it just returns a copy of path as given.
197 static char *resolve_tilde(const char *path) {
198 static glob_t globbuf;
199 char *head, *tail, *result = NULL;
201 tail = strchr(path, '/');
202 head = strndup(path, tail ? (size_t)(tail - path) : strlen(path));
204 int res = glob(head, GLOB_TILDE, NULL, &globbuf);
206 /* no match, or many wildcard matches are bad */
207 if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1)
208 result = sstrdup(path);
210 die("glob() failed");
212 head = globbuf.gl_pathv[0];
213 result = scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1);
214 strncpy(result, head, strlen(head));
216 strncat(result, tail, strlen(tail));
223 static char *get_config_path(void) {
224 char *xdg_config_home, *xdg_config_dirs, *config_path;
226 /* 1: check the traditional path under the home directory */
227 config_path = resolve_tilde("~/.i3status.conf");
228 if (path_exists(config_path))
231 /* 2: check for $XDG_CONFIG_HOME/i3status/config */
232 if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
233 xdg_config_home = "~/.config";
235 xdg_config_home = resolve_tilde(xdg_config_home);
236 if (asprintf(&config_path, "%s/i3status/config", xdg_config_home) == -1)
237 die("asprintf() failed");
238 free(xdg_config_home);
240 if (path_exists(config_path))
244 /* 3: check the traditional path under /etc */
245 config_path = SYSCONFDIR "/i3status.conf";
246 if (path_exists(config_path))
247 return sstrdup(config_path);
249 /* 4: check for $XDG_CONFIG_DIRS/i3status/config */
250 if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
251 xdg_config_dirs = "/etc/xdg";
253 char *buf = strdup(xdg_config_dirs);
254 char *tok = strtok(buf, ":");
255 while (tok != NULL) {
256 tok = resolve_tilde(tok);
257 if (asprintf(&config_path, "%s/i3status/config", tok) == -1)
258 die("asprintf() failed");
260 if (path_exists(config_path)) {
265 tok = strtok(NULL, ":");
269 die("Unable to find the configuration file (looked at "
270 "~/.i3status.conf, $XDG_CONFIG_HOME/i3status/config, "
271 "/etc/i3status.conf and $XDG_CONFIG_DIRS/i3status/config)");
276 * Returns the default separator to use if no custom separator has been specified.
278 static char *get_default_separator() {
279 if (output_format == O_DZEN2)
280 return "^p(5;-2)^ro(2)^p()^p(5)";
281 if (output_format == O_I3BAR)
282 // anything besides the empty string indicates that the default separator should be used
287 int main(int argc, char *argv[]) {
290 cfg_opt_t general_opts[] = {
291 CFG_STR("output_format", "auto", CFGF_NONE),
292 CFG_BOOL("colors", 1, CFGF_NONE),
293 CFG_STR("separator", "default", CFGF_NONE),
294 CFG_STR("color_separator", "#333333", CFGF_NONE),
295 CFG_INT("interval", 1, CFGF_NONE),
296 CFG_COLOR_OPTS("#00FF00", "#FFFF00", "#FF0000"),
297 CFG_STR("markup", "none", CFGF_NONE),
300 cfg_opt_t run_watch_opts[] = {
301 CFG_STR("pidfile", NULL, CFGF_NONE),
302 CFG_STR("format", "%title: %status", CFGF_NONE),
303 CFG_STR("format_down", NULL, CFGF_NONE),
304 CFG_CUSTOM_ALIGN_OPT,
305 CFG_CUSTOM_COLOR_OPTS,
306 CFG_CUSTOM_MIN_WIDTH_OPT,
309 cfg_opt_t path_exists_opts[] = {
310 CFG_STR("path", NULL, CFGF_NONE),
311 CFG_STR("format", "%title: %status", CFGF_NONE),
312 CFG_STR("format_down", NULL, CFGF_NONE),
313 CFG_CUSTOM_ALIGN_OPT,
314 CFG_CUSTOM_COLOR_OPTS,
315 CFG_CUSTOM_MIN_WIDTH_OPT,
318 cfg_opt_t wireless_opts[] = {
319 CFG_STR("format_up", "W: (%quality at %essid, %bitrate) %ip", CFGF_NONE),
320 CFG_STR("format_down", "W: down", CFGF_NONE),
321 CFG_CUSTOM_ALIGN_OPT,
322 CFG_CUSTOM_COLOR_OPTS,
323 CFG_CUSTOM_MIN_WIDTH_OPT,
326 cfg_opt_t ethernet_opts[] = {
327 CFG_STR("format_up", "E: %ip (%speed)", CFGF_NONE),
328 CFG_STR("format_down", "E: down", CFGF_NONE),
329 CFG_CUSTOM_ALIGN_OPT,
330 CFG_CUSTOM_COLOR_OPTS,
331 CFG_CUSTOM_MIN_WIDTH_OPT,
334 cfg_opt_t ipv6_opts[] = {
335 CFG_STR("format_up", "%ip", CFGF_NONE),
336 CFG_STR("format_down", "no IPv6", CFGF_NONE),
337 CFG_CUSTOM_ALIGN_OPT,
338 CFG_CUSTOM_COLOR_OPTS,
339 CFG_CUSTOM_MIN_WIDTH_OPT,
342 cfg_opt_t battery_opts[] = {
343 CFG_STR("format", "%status %percentage %remaining", CFGF_NONE),
344 CFG_STR("format_down", "No battery", CFGF_NONE),
345 CFG_STR("status_chr", "CHR", CFGF_NONE),
346 CFG_STR("status_bat", "BAT", CFGF_NONE),
347 CFG_STR("status_full", "FULL", CFGF_NONE),
348 CFG_STR("path", "/sys/class/power_supply/BAT%d/uevent", CFGF_NONE),
349 CFG_INT("low_threshold", 30, CFGF_NONE),
350 CFG_STR("threshold_type", "time", CFGF_NONE),
351 CFG_BOOL("last_full_capacity", false, CFGF_NONE),
352 CFG_BOOL("integer_battery_capacity", false, CFGF_NONE),
353 CFG_BOOL("hide_seconds", false, CFGF_NONE),
354 CFG_CUSTOM_ALIGN_OPT,
355 CFG_CUSTOM_COLOR_OPTS,
356 CFG_CUSTOM_MIN_WIDTH_OPT,
359 cfg_opt_t time_opts[] = {
360 CFG_STR("format", "%Y-%m-%d %H:%M:%S", CFGF_NONE),
361 CFG_CUSTOM_ALIGN_OPT,
362 CFG_CUSTOM_MIN_WIDTH_OPT,
365 cfg_opt_t tztime_opts[] = {
366 CFG_STR("format", "%Y-%m-%d %H:%M:%S %Z", CFGF_NONE),
367 CFG_STR("timezone", "", CFGF_NONE),
368 CFG_STR("format_time", NULL, CFGF_NONE),
369 CFG_CUSTOM_ALIGN_OPT,
370 CFG_CUSTOM_MIN_WIDTH_OPT,
373 cfg_opt_t ddate_opts[] = {
374 CFG_STR("format", "%{%a, %b %d%}, %Y%N - %H", CFGF_NONE),
375 CFG_CUSTOM_ALIGN_OPT,
376 CFG_CUSTOM_MIN_WIDTH_OPT,
379 cfg_opt_t load_opts[] = {
380 CFG_STR("format", "%1min %5min %15min", CFGF_NONE),
381 CFG_FLOAT("max_threshold", 5, CFGF_NONE),
382 CFG_CUSTOM_ALIGN_OPT,
383 CFG_CUSTOM_COLOR_OPTS,
384 CFG_CUSTOM_MIN_WIDTH_OPT,
387 cfg_opt_t usage_opts[] = {
388 CFG_STR("format", "%usage", CFGF_NONE),
389 CFG_CUSTOM_ALIGN_OPT,
390 CFG_CUSTOM_MIN_WIDTH_OPT,
393 cfg_opt_t temp_opts[] = {
394 CFG_STR("format", "%degrees C", CFGF_NONE),
395 CFG_STR("path", NULL, CFGF_NONE),
396 CFG_INT("max_threshold", 75, CFGF_NONE),
397 CFG_CUSTOM_ALIGN_OPT,
398 CFG_CUSTOM_COLOR_OPTS,
399 CFG_CUSTOM_MIN_WIDTH_OPT,
402 cfg_opt_t disk_opts[] = {
403 CFG_STR("format", "%free", CFGF_NONE),
404 CFG_STR("format_not_mounted", NULL, CFGF_NONE),
405 CFG_STR("prefix_type", "binary", CFGF_NONE),
406 CFG_STR("threshold_type", "percentage_avail", CFGF_NONE),
407 CFG_FLOAT("low_threshold", 0, CFGF_NONE),
408 CFG_CUSTOM_ALIGN_OPT,
409 CFG_CUSTOM_COLOR_OPTS,
410 CFG_CUSTOM_MIN_WIDTH_OPT,
413 cfg_opt_t volume_opts[] = {
414 CFG_STR("format", "♪: %volume", CFGF_NONE),
415 CFG_STR("format_muted", "♪: 0%%", CFGF_NONE),
416 CFG_STR("device", "default", CFGF_NONE),
417 CFG_STR("mixer", "Master", CFGF_NONE),
418 CFG_INT("mixer_idx", 0, CFGF_NONE),
419 CFG_CUSTOM_ALIGN_OPT,
420 CFG_CUSTOM_COLOR_OPTS,
421 CFG_CUSTOM_MIN_WIDTH_OPT,
425 CFG_STR_LIST("order", "{}", CFGF_NONE),
426 CFG_SEC("general", general_opts, CFGF_NONE),
427 CFG_SEC("run_watch", run_watch_opts, CFGF_TITLE | CFGF_MULTI),
428 CFG_SEC("path_exists", path_exists_opts, CFGF_TITLE | CFGF_MULTI),
429 CFG_SEC("wireless", wireless_opts, CFGF_TITLE | CFGF_MULTI),
430 CFG_SEC("ethernet", ethernet_opts, CFGF_TITLE | CFGF_MULTI),
431 CFG_SEC("battery", battery_opts, CFGF_TITLE | CFGF_MULTI),
432 CFG_SEC("cpu_temperature", temp_opts, CFGF_TITLE | CFGF_MULTI),
433 CFG_SEC("disk", disk_opts, CFGF_TITLE | CFGF_MULTI),
434 CFG_SEC("volume", volume_opts, CFGF_TITLE | CFGF_MULTI),
435 CFG_SEC("ipv6", ipv6_opts, CFGF_NONE),
436 CFG_SEC("time", time_opts, CFGF_NONE),
437 CFG_SEC("tztime", tztime_opts, CFGF_TITLE | CFGF_MULTI),
438 CFG_SEC("ddate", ddate_opts, CFGF_NONE),
439 CFG_SEC("load", load_opts, CFGF_NONE),
440 CFG_SEC("cpu_usage", usage_opts, CFGF_NONE),
443 char *configfile = NULL;
444 int o, option_index = 0;
445 struct option long_options[] = {
446 {"config", required_argument, 0, 'c'},
447 {"help", no_argument, 0, 'h'},
448 {"version", no_argument, 0, 'v'},
451 struct sigaction action;
452 memset(&action, 0, sizeof(struct sigaction));
453 action.sa_handler = fatalsig;
454 main_thread = pthread_self();
456 /* Exit upon SIGPIPE because when we have nowhere to write to, gathering system
457 * information is pointless. Also exit explicitly on SIGTERM and SIGINT because
458 * only this will trigger a reset of the cursor in the terminal output-format.
460 sigaction(SIGPIPE, &action, NULL);
461 sigaction(SIGTERM, &action, NULL);
462 sigaction(SIGINT, &action, NULL);
464 memset(&action, 0, sizeof(struct sigaction));
465 action.sa_handler = sigusr1;
466 sigaction(SIGUSR1, &action, NULL);
468 if (setlocale(LC_ALL, "") == NULL)
469 die("Could not set locale. Please make sure all your LC_* / LANG settings are correct.");
471 while ((o = getopt_long(argc, argv, "c:hv", long_options, &option_index)) != -1)
474 else if ((char)o == 'h') {
475 printf("i3status " VERSION " © 2008 Michael Stapelberg and contributors\n"
476 "Syntax: %s [-c <configfile>] [-h] [-v]\n",
479 } else if ((char)o == 'v') {
480 printf("i3status " VERSION " © 2008 Michael Stapelberg and contributors\n");
484 if (configfile == NULL)
485 configfile = get_config_path();
487 cfg = cfg_init(opts, CFGF_NOCASE);
488 if (cfg_parse(cfg, configfile) == CFG_PARSE_ERROR)
491 if (cfg_size(cfg, "order") == 0)
492 die("Your 'order' array is empty. Please fix your config.\n");
494 cfg_general = cfg_getsec(cfg, "general");
495 if (cfg_general == NULL)
496 die("Could not get section \"general\"\n");
498 char *output_str = cfg_getstr(cfg_general, "output_format");
499 if (strcasecmp(output_str, "auto") == 0) {
500 fprintf(stderr, "i3status: trying to auto-detect output_format setting\n");
501 output_str = auto_detect_format();
504 fprintf(stderr, "i3status: falling back to \"none\"\n");
506 fprintf(stderr, "i3status: auto-detected \"%s\"\n", output_str);
510 if (strcasecmp(output_str, "dzen2") == 0)
511 output_format = O_DZEN2;
512 else if (strcasecmp(output_str, "xmobar") == 0)
513 output_format = O_XMOBAR;
514 else if (strcasecmp(output_str, "i3bar") == 0)
515 output_format = O_I3BAR;
516 else if (strcasecmp(output_str, "lemonbar") == 0)
517 output_format = O_LEMONBAR;
518 else if (strcasecmp(output_str, "term") == 0)
519 output_format = O_TERM;
520 else if (strcasecmp(output_str, "none") == 0)
521 output_format = O_NONE;
523 die("Unknown output format: \"%s\"\n", output_str);
525 const char *separator = cfg_getstr(cfg_general, "separator");
527 /* lemonbar needs % to be escaped with another % */
528 pct_mark = (output_format == O_LEMONBAR) ? "%%" : "%";
530 // if no custom separator has been provided, use the default one
531 if (strcasecmp(separator, "default") == 0)
532 separator = get_default_separator();
534 if (!valid_color(cfg_getstr(cfg_general, "color_good")) || !valid_color(cfg_getstr(cfg_general, "color_degraded")) || !valid_color(cfg_getstr(cfg_general, "color_bad")) || !valid_color(cfg_getstr(cfg_general, "color_separator")))
535 die("Bad color format");
537 char *markup_str = cfg_getstr(cfg_general, "markup");
538 if (strcasecmp(markup_str, "pango") == 0)
539 markup_format = M_PANGO;
540 else if (strcasecmp(markup_str, "none") == 0)
541 markup_format = M_NONE;
543 die("Unknown markup format: \"%s\"\n", markup_str);
546 yajl_gen json_gen = yajl_gen_alloc(NULL);
548 yajl_gen json_gen = yajl_gen_alloc(NULL, NULL);
551 if (output_format == O_I3BAR) {
552 /* Initialize the i3bar protocol. See i3/docs/i3bar-protocol
554 printf("{\"version\":1}\n[\n");
556 yajl_gen_array_open(json_gen);
557 yajl_gen_clear(json_gen);
559 if (output_format == O_TERM) {
560 /* Save the cursor-position and hide the cursor */
561 printf("\033[s\033[?25l");
563 atexit(&reset_cursor);
566 if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
567 die("Could not create socket\n");
569 int interval = cfg_getint(cfg_general, "interval");
571 /* One memory page which each plugin can use to buffer output.
572 * Even though it’s unclean, we just assume that the user will not
573 * specify a format string which expands to something longer than 4096
574 * bytes — given that the output of i3status is used to display
575 * information on screen, more than 1024 characters for the full line
576 * (!), not individual plugins, seem very unlikely. */
579 void **per_instance = calloc(cfg_size(cfg, "order"), sizeof(*per_instance));
582 if (exit_upon_signal) {
583 fprintf(stderr, "Exiting due to signal.\n");
587 gettimeofday(&tv, NULL);
588 if (output_format == O_I3BAR)
589 yajl_gen_array_open(json_gen);
590 else if (output_format == O_TERM)
591 /* Restore the cursor-position, clear line */
592 printf("\033[u\033[K");
593 for (j = 0; j < cfg_size(cfg, "order"); j++) {
594 cur_instance = per_instance + j;
596 print_separator(separator);
598 const char *current = cfg_getnstr(cfg, "order", j);
601 SEC_OPEN_MAP("ipv6");
602 print_ipv6_info(json_gen, buffer, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
606 CASE_SEC_TITLE("wireless") {
607 SEC_OPEN_MAP("wireless");
608 const char *interface = NULL;
609 if (strcasecmp(title, "_first_") == 0)
610 interface = first_eth_interface(NET_TYPE_WIRELESS);
611 if (interface == NULL)
613 print_wireless_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
617 CASE_SEC_TITLE("ethernet") {
618 SEC_OPEN_MAP("ethernet");
619 const char *interface = NULL;
620 if (strcasecmp(title, "_first_") == 0)
621 interface = first_eth_interface(NET_TYPE_ETHERNET);
622 if (interface == NULL)
624 print_eth_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
628 CASE_SEC_TITLE("battery") {
629 SEC_OPEN_MAP("battery");
630 print_battery_info(json_gen, buffer, atoi(title), cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getstr(sec, "format_down"), cfg_getstr(sec, "status_chr"), cfg_getstr(sec, "status_bat"), cfg_getstr(sec, "status_full"), cfg_getint(sec, "low_threshold"), cfg_getstr(sec, "threshold_type"), cfg_getbool(sec, "last_full_capacity"), cfg_getbool(sec, "integer_battery_capacity"), cfg_getbool(sec, "hide_seconds"));
634 CASE_SEC_TITLE("run_watch") {
635 SEC_OPEN_MAP("run_watch");
636 print_run_watch(json_gen, buffer, title, cfg_getstr(sec, "pidfile"), cfg_getstr(sec, "format"), cfg_getstr(sec, "format_down"));
640 CASE_SEC_TITLE("path_exists") {
641 SEC_OPEN_MAP("path_exists");
642 print_path_exists(json_gen, buffer, title, cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getstr(sec, "format_down"));
646 CASE_SEC_TITLE("disk") {
647 SEC_OPEN_MAP("disk_info");
648 print_disk_info(json_gen, buffer, title, cfg_getstr(sec, "format"), cfg_getstr(sec, "format_not_mounted"), cfg_getstr(sec, "prefix_type"), cfg_getstr(sec, "threshold_type"), cfg_getfloat(sec, "low_threshold"));
653 SEC_OPEN_MAP("load");
654 print_load(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getfloat(sec, "max_threshold"));
659 SEC_OPEN_MAP("time");
660 print_time(json_gen, buffer, NULL, cfg_getstr(sec, "format"), NULL, NULL, tv.tv_sec);
664 CASE_SEC_TITLE("tztime") {
665 SEC_OPEN_MAP("tztime");
666 print_time(json_gen, buffer, title, cfg_getstr(sec, "format"), cfg_getstr(sec, "timezone"), cfg_getstr(sec, "format_time"), tv.tv_sec);
671 SEC_OPEN_MAP("ddate");
672 print_ddate(json_gen, buffer, cfg_getstr(sec, "format"), tv.tv_sec);
676 CASE_SEC_TITLE("volume") {
677 SEC_OPEN_MAP("volume");
678 print_volume(json_gen, buffer, cfg_getstr(sec, "format"),
679 cfg_getstr(sec, "format_muted"),
680 cfg_getstr(sec, "device"),
681 cfg_getstr(sec, "mixer"),
682 cfg_getint(sec, "mixer_idx"));
686 CASE_SEC_TITLE("cpu_temperature") {
687 SEC_OPEN_MAP("cpu_temperature");
688 print_cpu_temperature_info(json_gen, buffer, atoi(title), cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getint(sec, "max_threshold"));
692 CASE_SEC("cpu_usage") {
693 SEC_OPEN_MAP("cpu_usage");
694 print_cpu_usage(json_gen, buffer, cfg_getstr(sec, "format"));
698 if (output_format == O_I3BAR) {
699 yajl_gen_array_close(json_gen);
700 const unsigned char *buf;
706 yajl_gen_get_buf(json_gen, &buf, &len);
707 write(STDOUT_FILENO, buf, len);
708 yajl_gen_clear(json_gen);
714 /* To provide updates on every full second (as good as possible)
715 * we don’t use sleep(interval) but we sleep until the next
716 * second (with microsecond precision) plus (interval-1)
717 * seconds. We also align to 60 seconds modulo interval such
718 * that we start with :00 on every new minute. */
719 struct timeval current_timeval;
720 gettimeofday(¤t_timeval, NULL);
721 struct timespec ts = {interval - 1 - (current_timeval.tv_sec % interval), (10e5 - current_timeval.tv_usec) * 1000};
722 nanosleep(&ts, NULL);