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i3status.c
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/*
* vim:ts=4:sw=4:expandtab
*
* i3status – Generates a status line for dzen2 or xmobar
*
* Copyright © 2008 Michael Stapelberg and contributors
* Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
* Copyright © 2010 Axel Wagner <mail at merovius dot de>
* Copyright © 2010 Fernando Tarlá Cardoso Lemos <fernandotcl at gmail dot com>
*
* See file LICENSE for license information.
*
*/
#include <config.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <getopt.h>
#include <signal.h>
#include <confuse.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <sys/time.h>
#include <locale.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_version.h>
#include "i3status.h"
#define CFG_CUSTOM_ALIGN_OPT \
CFG_STR_CB("align", NULL, CFGF_NONE, parse_align)
#define CFG_COLOR_OPTS(good, degraded, bad) \
CFG_STR("color_good", good, CFGF_NONE) \
, \
CFG_STR("color_degraded", degraded, CFGF_NONE), \
CFG_STR("color_bad", bad, CFGF_NONE)
#define CFG_CUSTOM_COLOR_OPTS CFG_COLOR_OPTS(NULL, NULL, NULL)
#define CFG_CUSTOM_MIN_WIDTH_OPT \
CFG_PTR_CB("min_width", NULL, CFGF_NONE, parse_min_width, free)
#define CFG_CUSTOM_SEPARATOR_OPT \
CFG_BOOL("separator", 0, CFGF_NODEFAULT)
#define CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT \
CFG_INT("separator_block_width", 0, CFGF_NODEFAULT)
/* socket file descriptor for general purposes */
int general_socket;
static bool exit_upon_signal = false;
static bool run_once = false;
cfg_t *cfg, *cfg_general, *cfg_section;
void **cur_instance;
pthread_t main_thread;
markup_format_t markup_format;
output_format_t output_format;
char *pct_mark;
/*
* Set the exit_upon_signal flag, because one cannot do anything in a safe
* manner in a signal handler (e.g. fprintf, which we really want to do for
* debugging purposes), see
* https://www.securecoding.cert.org/confluence/display/seccode/SIG30-C.+Call+only+asynchronous-safe+functions+within+signal+handlers
*
*/
void fatalsig(int signum) {
exit_upon_signal = true;
}
/*
* Do nothing upon SIGUSR1. Running this signal handler will nevertheless
* interrupt nanosleep() so that i3status immediately generates new output.
*
*/
void sigusr1(int signum) {
}
/*
* Checks if the given path exists by calling stat().
*
*/
static bool path_exists(const char *path) {
struct stat buf;
return (stat(path, &buf) == 0);
}
/*
* Parses the "align" module option (to validate input).
*/
static int parse_align(cfg_t *context, cfg_opt_t *option, const char *value, void *result) {
if (strcasecmp(value, "left") != 0 && strcasecmp(value, "right") != 0 && strcasecmp(value, "center") != 0)
die("Invalid alignment attribute found in section %s, line %d: \"%s\"\n"
"Valid attributes are: left, center, right\n",
context->name, context->line, value);
const char **cresult = result;
*cresult = value;
return 0;
}
/*
* Parses the "min_width" module option whose value can either be a string or an integer.
*/
static int parse_min_width(cfg_t *context, cfg_opt_t *option, const char *value, void *result) {
char *end;
long num = strtol(value, &end, 10);
if (num < 0)
die("Invalid min_width attribute found in section %s, line %d: %ld\n"
"Expected positive integer or string\n",
context->name, context->line, num);
else if (num == LONG_MIN || num == LONG_MAX || (end && *end != '\0'))
num = 0;
if (strlen(value) == 0)
die("Empty min_width attribute found in section %s, line %d\n"
"Expected positive integer or non-empty string\n",
context->name, context->line);
if (strcmp(value, "0") == 0)
die("Invalid min_width attribute found in section %s, line %d: \"%s\"\n"
"Expected positive integer or string\n",
context->name, context->line, value);
struct min_width *parsed = scalloc(sizeof(struct min_width));
parsed->num = num;
/* num is preferred, but if it’s 0 (i.e. not valid), store and use
* the raw string value */
if (num == 0)
parsed->str = sstrdup(value);
struct min_width **cresult = result;
*cresult = parsed;
return 0;
}
/*
* Validates a color in "#RRGGBB" format
*
*/
static int valid_color(const char *value) {
const int len = strlen(value);
if (output_format == O_LEMONBAR) {
/* lemonbar supports an optional alpha channel */
if (len != strlen("#rrggbb") && len != strlen("#aarrggbb")) {
return 0;
}
} else {
if (len != strlen("#rrggbb")) {
return 0;
}
}
if (value[0] != '#')
return 0;
for (int i = 1; i < len; ++i) {
if (value[i] >= '0' && value[i] <= '9')
continue;
if (value[i] >= 'a' && value[i] <= 'f')
continue;
if (value[i] >= 'A' && value[i] <= 'F')
continue;
return 0;
}
return 1;
}
static char *get_config_path(void) {
char *xdg_config_home, *xdg_config_dirs, *config_path;
/* 1: check for $XDG_CONFIG_HOME/i3status/config */
if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
xdg_config_home = "~/.config";
xdg_config_home = resolve_tilde(xdg_config_home);
if (asprintf(&config_path, "%s/i3status/config", xdg_config_home) == -1)
die("asprintf() failed");
free(xdg_config_home);
if (path_exists(config_path))
return config_path;
free(config_path);
/* 2: check for $XDG_CONFIG_DIRS/i3status/config */
if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
xdg_config_dirs = "/etc/xdg";
/* 3: check the traditional path under the home directory */
config_path = resolve_tilde("~/.i3status.conf");
if (path_exists(config_path))
return config_path;
free(config_path);
char *buf = strdup(xdg_config_dirs);
char *tok = strtok(buf, ":");
while (tok != NULL) {
tok = resolve_tilde(tok);
if (asprintf(&config_path, "%s/i3status/config", tok) == -1)
die("asprintf() failed");
free(tok);
if (path_exists(config_path)) {
free(buf);
return config_path;
}
free(config_path);
tok = strtok(NULL, ":");
}
free(buf);
/* 4: check the traditional path under /etc */
config_path = SYSCONFDIR "/i3status.conf";
if (path_exists(config_path))
return sstrdup(config_path);
die("Unable to find the configuration file (looked at "
"~/.i3status.conf, $XDG_CONFIG_HOME/i3status/config, " SYSCONFDIR "/i3status.conf and $XDG_CONFIG_DIRS/i3status/config)");
}
/*
* Returns the default separator to use if no custom separator has been specified.
*/
static char *get_default_separator() {
if (output_format == O_DZEN2)
return "^p(5;-2)^ro(2)^p()^p(5)";
if (output_format == O_I3BAR)
// anything besides the empty string indicates that the default separator should be used
return "default";
return " | ";
}
int main(int argc, char *argv[]) {
unsigned int j;
cfg_opt_t general_opts[] = {
CFG_STR("output_format", "auto", CFGF_NONE),
CFG_BOOL("colors", 1, CFGF_NONE),
CFG_STR("separator", "default", CFGF_NONE),
CFG_STR("color_separator", "#333333", CFGF_NONE),
CFG_INT("interval", 1, CFGF_NONE),
CFG_COLOR_OPTS("#00FF00", "#FFFF00", "#FF0000"),
CFG_STR("markup", "none", CFGF_NONE),
CFG_END()};
cfg_opt_t run_watch_opts[] = {
CFG_STR("pidfile", NULL, CFGF_NONE),
CFG_STR("format", "%title: %status", CFGF_NONE),
CFG_STR("format_down", NULL, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t path_exists_opts[] = {
CFG_STR("path", NULL, CFGF_NONE),
CFG_STR("format", "%title: %status", CFGF_NONE),
CFG_STR("format_down", NULL, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t wireless_opts[] = {
CFG_STR("format_up", "W: (%quality at %essid, %bitrate) %ip", CFGF_NONE),
CFG_STR("format_down", "W: down", CFGF_NONE),
CFG_STR("format_bitrate", "%g %cb/s", CFGF_NONE),
CFG_STR("format_noise", "%3d%s", CFGF_NONE),
CFG_STR("format_quality", "%3d%s", CFGF_NONE),
CFG_STR("format_signal", "%3d%s", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t ethernet_opts[] = {
CFG_STR("format_up", "E: %ip (%speed)", CFGF_NONE),
CFG_STR("format_down", "E: down", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t ipv6_opts[] = {
CFG_STR("format_up", "%ip", CFGF_NONE),
CFG_STR("format_down", "no IPv6", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t battery_opts[] = {
CFG_STR("format", "%status %percentage %remaining", CFGF_NONE),
CFG_STR("format_down", "No battery", CFGF_NONE),
CFG_STR("format_percentage", "%.02f%s", CFGF_NONE),
CFG_STR("status_chr", "CHR", CFGF_NONE),
CFG_STR("status_bat", "BAT", CFGF_NONE),
CFG_STR("status_bat_low", "BAT", CFGF_NONE),
CFG_STR("status_bat_quarter", "BAT", CFGF_NONE),
CFG_STR("status_bat_half", "BAT", CFGF_NONE),
CFG_STR("status_bat_three_quarters", "BAT", CFGF_NONE),
CFG_STR("status_unk", "UNK", CFGF_NONE),
CFG_STR("status_full", "FULL", CFGF_NONE),
CFG_STR("status_idle", "IDLE", CFGF_NONE),
CFG_STR("path", "/sys/class/power_supply/BAT%d/uevent", CFGF_NONE),
CFG_INT("low_threshold", 30, CFGF_NONE),
CFG_INT("quarter_threshold", 45, CFGF_NONE),
CFG_INT("half_threshold", 60, CFGF_NONE),
CFG_INT("three_quarters_threshold", 75, CFGF_NONE),
CFG_STR("threshold_type", "time", CFGF_NONE),
CFG_BOOL("last_full_capacity", false, CFGF_NONE),
CFG_BOOL("integer_battery_capacity", false, CFGF_NONE),
CFG_BOOL("hide_seconds", true, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t time_opts[] = {
CFG_STR("format", "%Y-%m-%d %H:%M:%S", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t tztime_opts[] = {
CFG_STR("format", "%Y-%m-%d %H:%M:%S %Z", CFGF_NONE),
CFG_STR("timezone", "", CFGF_NONE),
CFG_STR("locale", "", CFGF_NONE),
CFG_STR("format_time", NULL, CFGF_NONE),
CFG_BOOL("hide_if_equals_localtime", false, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t ddate_opts[] = {
CFG_STR("format", "%{%a, %b %d%}, %Y%N - %H", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t load_opts[] = {
CFG_STR("format", "%1min %5min %15min", CFGF_NONE),
CFG_STR("format_above_threshold", NULL, CFGF_NONE),
CFG_FLOAT("max_threshold", 5, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t memory_opts[] = {
CFG_STR("format", "%used %free %available", CFGF_NONE),
CFG_STR("format_degraded", NULL, CFGF_NONE),
CFG_STR("threshold_degraded", NULL, CFGF_NONE),
CFG_STR("threshold_critical", NULL, CFGF_NONE),
CFG_STR("memory_used_method", "classical", CFGF_NONE),
CFG_STR("unit", "auto", CFGF_NONE),
CFG_INT("decimals", 1, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t usage_opts[] = {
CFG_STR("format", "%usage", CFGF_NONE),
CFG_STR("format_usage", "%02d%s", CFGF_NONE),
CFG_STR("format_above_threshold", NULL, CFGF_NONE),
CFG_STR("format_above_degraded_threshold", NULL, CFGF_NONE),
CFG_STR("path", "/proc/stat", CFGF_NONE),
CFG_FLOAT("max_threshold", 95, CFGF_NONE),
CFG_FLOAT("degraded_threshold", 90, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t temp_opts[] = {
CFG_STR("format", "%degrees C", CFGF_NONE),
CFG_STR("format_above_threshold", NULL, CFGF_NONE),
CFG_STR("path", NULL, CFGF_NONE),
CFG_INT("max_threshold", 75, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t disk_opts[] = {
CFG_STR("format", "%free", CFGF_NONE),
CFG_STR("format_below_threshold", NULL, CFGF_NONE),
CFG_STR("format_not_mounted", NULL, CFGF_NONE),
CFG_STR("prefix_type", "binary", CFGF_NONE),
CFG_STR("threshold_type", "percentage_avail", CFGF_NONE),
CFG_FLOAT("low_threshold", 0, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t volume_opts[] = {
CFG_STR("format", "♪: %volume", CFGF_NONE),
CFG_STR("format_muted", "♪: 0%%", CFGF_NONE),
CFG_STR("device", "default", CFGF_NONE),
CFG_STR("mixer", "Master", CFGF_NONE),
CFG_INT("mixer_idx", 0, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t read_opts[] = {
CFG_STR("format", "%content", CFGF_NONE),
CFG_STR("format_bad", "%title - %errno: %error", CFGF_NONE),
CFG_STR("path", NULL, CFGF_NONE),
CFG_INT("max_characters", 255, CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t netspeed_opts[] = {
CFG_STR("format", "Down: %down/s Up: %up/s", CFGF_NONE),
CFG_CUSTOM_ALIGN_OPT,
CFG_CUSTOM_COLOR_OPTS,
CFG_CUSTOM_MIN_WIDTH_OPT,
CFG_CUSTOM_SEPARATOR_OPT,
CFG_CUSTOM_SEP_BLOCK_WIDTH_OPT,
CFG_END()};
cfg_opt_t opts[] = {
CFG_STR_LIST("order", "{}", CFGF_NONE),
CFG_SEC("general", general_opts, CFGF_NONE),
CFG_SEC("netspeed", netspeed_opts, CFGF_NONE),
CFG_SEC("run_watch", run_watch_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("path_exists", path_exists_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("wireless", wireless_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("ethernet", ethernet_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("battery", battery_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("cpu_temperature", temp_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("disk", disk_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("volume", volume_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("ipv6", ipv6_opts, CFGF_NONE),
CFG_SEC("time", time_opts, CFGF_NONE),
CFG_SEC("tztime", tztime_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC("ddate", ddate_opts, CFGF_NONE),
CFG_SEC("load", load_opts, CFGF_NONE),
CFG_SEC("memory", memory_opts, CFGF_NONE),
CFG_SEC("cpu_usage", usage_opts, CFGF_NONE),
CFG_SEC("read_file", read_opts, CFGF_TITLE | CFGF_MULTI),
CFG_END()};
char *configfile = NULL;
int opt, option_index = 0;
struct option long_options[] = {
{"config", required_argument, 0, 'c'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'v'},
{"run-once", no_argument, 0, 0},
{0, 0, 0, 0}};
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = fatalsig;
main_thread = pthread_self();
/* Exit upon SIGPIPE because when we have nowhere to write to, gathering system
* information is pointless. Also exit explicitly on SIGTERM and SIGINT because
* only this will trigger a reset of the cursor in the terminal output-format.
*/
sigaction(SIGPIPE, &action, NULL);
sigaction(SIGTERM, &action, NULL);
sigaction(SIGINT, &action, NULL);
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = sigusr1;
sigaction(SIGUSR1, &action, NULL);
if (setlocale(LC_ALL, "") == NULL)
die("Could not set locale. Please make sure all your LC_* / LANG settings are correct.");
while ((opt = getopt_long(argc, argv, "c:hv", long_options, &option_index)) != -1) {
switch (opt) {
case 'c':
configfile = optarg;
break;
case 'h':
printf("i3status " I3STATUS_VERSION " © 2008 Michael Stapelberg and contributors\n"
"Syntax: %s [-c <configfile>] [-h] [-v] [--run-once]\n",
argv[0]);
return 0;
break;
case 'v':
printf("i3status " I3STATUS_VERSION " © 2008 Michael Stapelberg and contributors\n"
#if HAS_PULSEAUDIO
"Built with pulseaudio support\n"
#else
"Built without pulseaudio support\n"
#endif
);
return 0;
break;
case 0:
if (strcmp(long_options[option_index].name, "run-once") == 0) {
run_once = true;
}
break;
}
}
if (configfile == NULL)
configfile = get_config_path();
cfg = cfg_init(opts, CFGF_NOCASE);
if (cfg_parse(cfg, configfile) == CFG_PARSE_ERROR)
return EXIT_FAILURE;
if (cfg_size(cfg, "order") == 0)
die("Your 'order' array is empty. Please fix your config.\n");
cfg_general = cfg_getsec(cfg, "general");
if (cfg_general == NULL)
die("Could not get section \"general\"\n");
char *output_str = cfg_getstr(cfg_general, "output_format");
if (strcasecmp(output_str, "auto") == 0) {
fprintf(stderr, "i3status: trying to auto-detect output_format setting\n");
output_str = auto_detect_format();
if (!output_str) {
output_str = "none";
fprintf(stderr, "i3status: falling back to \"none\"\n");
} else {
fprintf(stderr, "i3status: auto-detected \"%s\"\n", output_str);
}
}
if (strcasecmp(output_str, "dzen2") == 0)
output_format = O_DZEN2;
else if (strcasecmp(output_str, "xmobar") == 0)
output_format = O_XMOBAR;
else if (strcasecmp(output_str, "i3bar") == 0)
output_format = O_I3BAR;
else if (strcasecmp(output_str, "lemonbar") == 0)
output_format = O_LEMONBAR;
else if (strcasecmp(output_str, "tmux") == 0)
output_format = O_TMUX;
else if (strcasecmp(output_str, "term") == 0)
output_format = O_TERM;
else if (strcasecmp(output_str, "none") == 0)
output_format = O_NONE;
else
die("Unknown output format: \"%s\"\n", output_str);
const char *separator = cfg_getstr(cfg_general, "separator");
/* lemonbar needs % to be escaped with another % */
pct_mark = (output_format == O_LEMONBAR) ? "%%" : "%";
// if no custom separator has been provided, use the default one
if (strcasecmp(separator, "default") == 0)
separator = get_default_separator();
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")))
die("Bad color format");
char *markup_str = cfg_getstr(cfg_general, "markup");
if (strcasecmp(markup_str, "pango") == 0)
markup_format = M_PANGO;
else if (strcasecmp(markup_str, "none") == 0)
markup_format = M_NONE;
else
die("Unknown markup format: \"%s\"\n", markup_str);
#if YAJL_MAJOR >= 2
yajl_gen json_gen = yajl_gen_alloc(NULL);
#else
yajl_gen json_gen = yajl_gen_alloc(NULL, NULL);
#endif
if (output_format == O_I3BAR) {
/* Initialize the i3bar protocol. See i3/docs/i3bar-protocol
* for details. */
printf("{\"version\":1}\n[\n");
fflush(stdout);
yajl_gen_array_open(json_gen);
yajl_gen_clear(json_gen);
}
if (output_format == O_TERM) {
/* Save the cursor-position and hide the cursor */
printf("\033[s\033[?25l");
/* Undo at exit */
atexit(&reset_cursor);
}
if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
die("Could not create socket\n");
int interval = cfg_getint(cfg_general, "interval");
if (interval <= 0) {
die("Invalid interval attribute found in section %s, line %d: %d\n"
"Expected positive integer\n",
cfg_general->name, cfg_general->line, interval);
}
for (int j = 0; j < cfg_size(cfg, "order"); j++) {
const char *current = cfg_getnstr(cfg, "order", j);
const char *name = "battery";
if (!BEGINS_WITH(current, name)) {
continue;
}
const char *title = current + strlen(name) + 1;
cfg_section = cfg_gettsec(cfg, name, title);
bool integer_battery_capacity = cfg_getbool(cfg_section, "integer_battery_capacity");
char *format_percentage = cfg_getstr(cfg_section, "format_percentage");
if (integer_battery_capacity) {
if (strcmp("%.02f%s", format_percentage) == 0) {
cfg_setstr(cfg_section, "format_percentage", "%.00f%s");
} else {
fprintf(stderr, "i3status: integer_battery_capacity is deprecated\n");
}
}
}
/* One memory page which each plugin can use to buffer output.
* Even though it’s unclean, we just assume that the user will not
* specify a format string which expands to something longer than 4096
* bytes — given that the output of i3status is used to display
* information on screen, more than 1024 characters for the full line
* (!), not individual plugins, seem very unlikely. */
char buffer[4096];
void **per_instance = calloc(cfg_size(cfg, "order"), sizeof(*per_instance));
while (1) {
if (exit_upon_signal) {
fprintf(stderr, "i3status: exiting due to signal.\n");
exit(1);
}
struct timeval tv;
gettimeofday(&tv, NULL);
if (output_format == O_I3BAR)
yajl_gen_array_open(json_gen);
else if (output_format == O_TERM)
/* Restore the cursor-position, clear line */
printf("\033[u\033[K");
for (j = 0; j < cfg_size(cfg, "order"); j++) {
cur_instance = per_instance + j;
if (j > 0)
print_separator(separator);
const char *current = cfg_getnstr(cfg, "order", j);
CASE_SEC("ipv6") {
SEC_OPEN_MAP("ipv6");
ipv6_info_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format_up = cfg_getstr(sec, "format_up"),
.format_down = cfg_getstr(sec, "format_down"),
};
print_ipv6_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("wireless") {
SEC_OPEN_MAP("wireless");
const char *interface = NULL;
if (strcasecmp(title, "_first_") == 0)
interface = first_eth_interface(NET_TYPE_WIRELESS);
if (interface == NULL)
interface = title;
wireless_info_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.interface = interface,
.format_up = cfg_getstr(sec, "format_up"),
.format_down = cfg_getstr(sec, "format_down"),
.format_bitrate = cfg_getstr(sec, "format_bitrate"),
.format_noise = cfg_getstr(sec, "format_noise"),
.format_quality = cfg_getstr(sec, "format_quality"),
.format_signal = cfg_getstr(sec, "format_signal"),
};
print_wireless_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("ethernet") {
SEC_OPEN_MAP("ethernet");
const char *interface = NULL;
if (strcasecmp(title, "_first_") == 0)
interface = first_eth_interface(NET_TYPE_ETHERNET);
if (interface == NULL)
interface = title;
eth_info_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.interface = interface,
.format_up = cfg_getstr(sec, "format_up"),
.format_down = cfg_getstr(sec, "format_down"),
};
print_eth_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("netspeed") {
SEC_OPEN_MAP("netspeed");
netspeed_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format = cfg_getstr(sec, "format"),
};
print_netspeed(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("battery") {
SEC_OPEN_MAP("battery");
battery_info_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.number = (strcasecmp(title, "all") == 0 ? -1 : atoi(title)),
.path = cfg_getstr(sec, "path"),
.format = cfg_getstr(sec, "format"),
.format_down = cfg_getstr(sec, "format_down"),
.status_chr = cfg_getstr(sec, "status_chr"),
.status_bat = cfg_getstr(sec, "status_bat"),
.status_bat_low = cfg_getstr(sec, "status_bat_low"),
.status_bat_quarter = cfg_getstr(sec, "status_bat_quarter"),
.status_bat_half = cfg_getstr(sec, "status_bat_half"),
.status_bat_three_quarters = cfg_getstr(sec, "status_bat_three_quarters"),
.status_unk = cfg_getstr(sec, "status_unk"),
.status_full = cfg_getstr(sec, "status_full"),
.status_idle = cfg_getstr(sec, "status_idle"),
.low_threshold = cfg_getint(sec, "low_threshold"),
.quarter_threshold = cfg_getint(sec, "quarter_threshold"),
.half_threshold = cfg_getint(sec, "half_threshold"),
.three_quarters_threshold = cfg_getint(sec, "three_quarters_threshold"),
.threshold_type = cfg_getstr(sec, "threshold_type"),
.last_full_capacity = cfg_getbool(sec, "last_full_capacity"),
.format_percentage = cfg_getstr(sec, "format_percentage"),
.hide_seconds = cfg_getbool(sec, "hide_seconds"),
};
print_battery_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("run_watch") {
SEC_OPEN_MAP("run_watch");
run_watch_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.title = title,
.pidfile = cfg_getstr(sec, "pidfile"),
.format = cfg_getstr(sec, "format"),
.format_down = cfg_getstr(sec, "format_down"),
};
print_run_watch(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("path_exists") {
SEC_OPEN_MAP("path_exists");
path_exists_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.title = title,
.path = cfg_getstr(sec, "path"),
.format = cfg_getstr(sec, "format"),
.format_down = cfg_getstr(sec, "format_down"),
};
print_path_exists(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("disk") {
SEC_OPEN_MAP("disk_info");
disk_info_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.path = title,
.format = cfg_getstr(sec, "format"),
.format_below_threshold = cfg_getstr(sec, "format_below_threshold"),
.format_not_mounted = cfg_getstr(sec, "format_not_mounted"),
.prefix_type = cfg_getstr(sec, "prefix_type"),
.threshold_type = cfg_getstr(sec, "threshold_type"),
.low_threshold = cfg_getfloat(sec, "low_threshold"),
};
print_disk_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("load") {
SEC_OPEN_MAP("load");
load_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format = cfg_getstr(sec, "format"),
.format_above_threshold = cfg_getstr(sec, "format_above_threshold"),
.max_threshold = cfg_getfloat(sec, "max_threshold"),
};
print_load(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("memory") {
SEC_OPEN_MAP("memory");
memory_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format = cfg_getstr(sec, "format"),
.format_degraded = cfg_getstr(sec, "format_degraded"),
.threshold_degraded = cfg_getstr(sec, "threshold_degraded"),
.threshold_critical = cfg_getstr(sec, "threshold_critical"),
.memory_used_method = cfg_getstr(sec, "memory_used_method"),
.unit = cfg_getstr(sec, "unit"),
.decimals = cfg_getint(sec, "decimals"),
};
print_memory(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("time") {
SEC_OPEN_MAP("time");
time_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.title = NULL,
.format = cfg_getstr(sec, "format"),
.tz = NULL,
.locale = NULL,
.format_time = NULL,
.hide_if_equals_localtime = false,
.t = tv.tv_sec,
};
print_time(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("tztime") {
SEC_OPEN_MAP("tztime");
time_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.title = title,
.format = cfg_getstr(sec, "format"),
.tz = cfg_getstr(sec, "timezone"),
.locale = cfg_getstr(sec, "locale"),
.format_time = cfg_getstr(sec, "format_time"),
.hide_if_equals_localtime = cfg_getbool(sec, "hide_if_equals_localtime"),
.t = tv.tv_sec,
};
print_time(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("ddate") {
SEC_OPEN_MAP("ddate");
ddate_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format = cfg_getstr(sec, "format"),
.t = tv.tv_sec,
};
print_ddate(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("volume") {
SEC_OPEN_MAP("volume");
volume_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.fmt = cfg_getstr(sec, "format"),
.fmt_muted = cfg_getstr(sec, "format_muted"),
.device = cfg_getstr(sec, "device"),
.mixer = cfg_getstr(sec, "mixer"),
.mixer_idx = cfg_getint(sec, "mixer_idx"),
};
print_volume(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("cpu_temperature") {
SEC_OPEN_MAP("cpu_temperature");
cpu_temperature_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.zone = atoi(title),
.path = cfg_getstr(sec, "path"),
.format = cfg_getstr(sec, "format"),
.format_above_threshold = cfg_getstr(sec, "format_above_threshold"),
.max_threshold = cfg_getint(sec, "max_threshold"),
};
print_cpu_temperature_info(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC("cpu_usage") {
SEC_OPEN_MAP("cpu_usage");
cpu_usage_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.format = cfg_getstr(sec, "format"),
.format_usage = cfg_getstr(sec, "format_usage"),
.format_above_threshold = cfg_getstr(sec, "format_above_threshold"),
.format_above_degraded_threshold = cfg_getstr(sec, "format_above_degraded_threshold"),
.path = cfg_getstr(sec, "path"),
.max_threshold = cfg_getfloat(sec, "max_threshold"),
.degraded_threshold = cfg_getfloat(sec, "degraded_threshold"),
};
print_cpu_usage(&ctx);
SEC_CLOSE_MAP;
}
CASE_SEC_TITLE("read_file") {
SEC_OPEN_MAP("read_file");
file_contents_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.title = title,
.path = cfg_getstr(sec, "path"),
.format = cfg_getstr(sec, "format"),
.format_bad = cfg_getstr(sec, "format_bad"),
.max_chars = cfg_getint(sec, "max_characters"),
};
print_file_contents(&ctx);
SEC_CLOSE_MAP;
}
}
if (output_format == O_I3BAR) {
yajl_gen_array_close(json_gen);
const unsigned char *buf;
#if YAJL_MAJOR >= 2
size_t len;
#else
unsigned int len;
#endif
yajl_gen_get_buf(json_gen, &buf, &len);
write(STDOUT_FILENO, buf, len);