diff options
Diffstat (limited to 'i3status.c')
| -rw-r--r-- | i3status.c | 1117 |
1 files changed, 555 insertions, 562 deletions
@@ -1,5 +1,5 @@ /* - * vim:ts=8:expandtab + * vim:ts=4:sw=4:expandtab * * i3status – Generates a status line for dzen2 or xmobar * @@ -34,15 +34,19 @@ #include "i3status.h" -#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); } +#define exit_if_null(pointer, ...) \ + { \ + if (pointer == NULL) \ + die(__VA_ARGS__); \ + } #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_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) @@ -66,7 +70,7 @@ void **cur_instance; * */ void fatalsig(int signum) { - exit_upon_signal = true; + exit_upon_signal = true; } /* @@ -82,86 +86,94 @@ void sigusr1(int signum) { * */ static bool path_exists(const char *path) { - struct stat buf; - return (stat(path, &buf) == 0); + struct stat buf; + return (stat(path, &buf) == 0); } static void *scalloc(size_t size) { - void *result = calloc(size, 1); - exit_if_null(result, "Error: out of memory (calloc(%zd))\n", size); - return result; + void *result = calloc(size, 1); + exit_if_null(result, "Error: out of memory (calloc(%zd))\n", size); + return result; } static char *sstrdup(const char *str) { - char *result = strdup(str); - exit_if_null(result, "Error: out of memory (strdup())\n"); - return result; + char *result = strdup(str); + exit_if_null(result, "Error: out of memory (strdup())\n"); + return result; } /* * 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); + 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; + const char **cresult = result; + *cresult = value; - return 0; + 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: %d\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; + char *end; + long num = strtol(value, &end, 10); + + if (num < 0) + die("Invalid min_width attribute found in section %s, line %d: %d\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) -{ - if (strlen(value) != 7) return 0; - if (value[0] != '#') return 0; - for (int i = 1; i < 7; ++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 int valid_color(const char *value) { + if (strlen(value) != 7) + return 0; + if (value[0] != '#') + return 0; + for (int i = 1; i < 7; ++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; } /* @@ -171,531 +183,512 @@ static int valid_color(const char *value) * */ static char *resolve_tilde(const char *path) { - static glob_t globbuf; - char *head, *tail, *result = NULL; - - tail = strchr(path, '/'); - head = strndup(path, tail ? (size_t)(tail - path) : strlen(path)); - - int res = glob(head, GLOB_TILDE, NULL, &globbuf); - free(head); - /* no match, or many wildcard matches are bad */ - if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1) - result = sstrdup(path); - else if (res != 0) { - die("glob() failed"); - } else { - head = globbuf.gl_pathv[0]; - result = scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1); - strncpy(result, head, strlen(head)); - if (tail) - strncat(result, tail, strlen(tail)); - } - globfree(&globbuf); - - return result; + static glob_t globbuf; + char *head, *tail, *result = NULL; + + tail = strchr(path, '/'); + head = strndup(path, tail ? (size_t)(tail - path) : strlen(path)); + + int res = glob(head, GLOB_TILDE, NULL, &globbuf); + free(head); + /* no match, or many wildcard matches are bad */ + if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1) + result = sstrdup(path); + else if (res != 0) { + die("glob() failed"); + } else { + head = globbuf.gl_pathv[0]; + result = scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1); + strncpy(result, head, strlen(head)); + if (tail) + strncat(result, tail, strlen(tail)); + } + globfree(&globbuf); + + return result; } static char *get_config_path(void) { - char *xdg_config_home, *xdg_config_dirs, *config_path; - - /* 1: check the traditional path under the home directory */ - config_path = resolve_tilde("~/.i3status.conf"); - if (path_exists(config_path)) - return config_path; - - /* 2: 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); - - /* 3: check the traditional path under /etc */ - config_path = SYSCONFDIR "/i3status.conf"; - if (path_exists(config_path)) - return sstrdup(config_path); - - /* 4: check for $XDG_CONFIG_DIRS/i3status/config */ - if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL) - xdg_config_dirs = "/etc/xdg"; - - 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, ":"); + char *xdg_config_home, *xdg_config_dirs, *config_path; + + /* 1: check the traditional path under the home directory */ + config_path = resolve_tilde("~/.i3status.conf"); + if (path_exists(config_path)) + return config_path; + + /* 2: 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); + + /* 3: check the traditional path under /etc */ + config_path = SYSCONFDIR "/i3status.conf"; + if (path_exists(config_path)) + return sstrdup(config_path); + + /* 4: check for $XDG_CONFIG_DIRS/i3status/config */ + if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL) + xdg_config_dirs = "/etc/xdg"; + + 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(buf); - - die("Unable to find the configuration file (looked at " - "~/.i3status.conf, $XDG_CONFIG_HOME/i3status/config, " - "/etc/i3status.conf and $XDG_CONFIG_DIRS/i3status/config)"); - return NULL; + free(config_path); + tok = strtok(NULL, ":"); + } + free(buf); + + die("Unable to find the configuration file (looked at " + "~/.i3status.conf, $XDG_CONFIG_HOME/i3status/config, " + "/etc/i3status.conf and $XDG_CONFIG_DIRS/i3status/config)"); + return NULL; } /* * 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 " | "; + 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_END() - }; - - cfg_opt_t run_watch_opts[] = { - CFG_STR("pidfile", NULL, CFGF_NONE), - CFG_STR("format", "%title: %status", CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_COLOR_OPTS, - CFG_CUSTOM_MIN_WIDTH_OPT, - CFG_END() - }; - - cfg_opt_t path_exists_opts[] = { - CFG_STR("path", NULL, CFGF_NONE), - CFG_STR("format", "%title: %status", CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_COLOR_OPTS, - CFG_CUSTOM_MIN_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_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_COLOR_OPTS, - CFG_CUSTOM_MIN_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_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_END() - }; - - cfg_opt_t battery_opts[] = { - CFG_STR("format", "%status %percentage %remaining", CFGF_NONE), - CFG_STR("format_down", "No battery", CFGF_NONE), - CFG_STR("status_chr", "CHR", CFGF_NONE), - CFG_STR("status_bat", "BAT", CFGF_NONE), - CFG_STR("status_full", "FULL", CFGF_NONE), - CFG_STR("path", "/sys/class/power_supply/BAT%d/uevent", CFGF_NONE), - CFG_INT("low_threshold", 30, 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", false, CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_COLOR_OPTS, - CFG_CUSTOM_MIN_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_END() - }; - - cfg_opt_t tztime_opts[] = { - CFG_STR("format", "%Y-%m-%d %H:%M:%S %Z", CFGF_NONE), - CFG_STR("timezone", "", CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_MIN_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_END() - }; - - cfg_opt_t load_opts[] = { - CFG_STR("format", "%1min %5min %15min", CFGF_NONE), - CFG_FLOAT("max_threshold", 5, CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_COLOR_OPTS, - CFG_CUSTOM_MIN_WIDTH_OPT, - CFG_END() - }; - - cfg_opt_t usage_opts[] = { - CFG_STR("format", "%usage", CFGF_NONE), - CFG_CUSTOM_ALIGN_OPT, - CFG_CUSTOM_MIN_WIDTH_OPT, - CFG_END() - }; - - cfg_opt_t temp_opts[] = { - CFG_STR("format", "%degrees C", 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_END() - }; - - cfg_opt_t disk_opts[] = { - CFG_STR("format", "%free", 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_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_END() - }; - - cfg_opt_t opts[] = { - CFG_STR_LIST("order", "{}", CFGF_NONE), - CFG_SEC("general", general_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("cpu_usage", usage_opts, CFGF_NONE), - CFG_END() - }; - - char *configfile = NULL; - int o, option_index = 0; - struct option long_options[] = { - {"config", required_argument, 0, 'c'}, - {"help", no_argument, 0, 'h'}, - {"version", no_argument, 0, 'v'}, - {0, 0, 0, 0} - }; - - struct sigaction action; - memset(&action, 0, sizeof(struct sigaction)); - action.sa_handler = fatalsig; - - /* 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 ((o = getopt_long(argc, argv, "c:hv", long_options, &option_index)) != -1) - if ((char)o == 'c') - configfile = optarg; - else if ((char)o == 'h') { - printf("i3status " VERSION " © 2008-2012 Michael Stapelberg and contributors\n" - "Syntax: %s [-c <configfile>] [-h] [-v]\n", argv[0]); - return 0; - } else if ((char)o == 'v') { - printf("i3status " VERSION " © 2008-2012 Michael Stapelberg and contributors\n"); - return 0; - } - - - 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); - } + 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_END()}; + + cfg_opt_t run_watch_opts[] = { + CFG_STR("pidfile", NULL, CFGF_NONE), + CFG_STR("format", "%title: %status", CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_COLOR_OPTS, + CFG_CUSTOM_MIN_WIDTH_OPT, + CFG_END()}; + + cfg_opt_t path_exists_opts[] = { + CFG_STR("path", NULL, CFGF_NONE), + CFG_STR("format", "%title: %status", CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_COLOR_OPTS, + CFG_CUSTOM_MIN_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_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_COLOR_OPTS, + CFG_CUSTOM_MIN_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_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_END()}; + + cfg_opt_t battery_opts[] = { + CFG_STR("format", "%status %percentage %remaining", CFGF_NONE), + CFG_STR("format_down", "No battery", CFGF_NONE), + CFG_STR("status_chr", "CHR", CFGF_NONE), + CFG_STR("status_bat", "BAT", CFGF_NONE), + CFG_STR("status_full", "FULL", CFGF_NONE), + CFG_STR("path", "/sys/class/power_supply/BAT%d/uevent", CFGF_NONE), + CFG_INT("low_threshold", 30, 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", false, CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_COLOR_OPTS, + CFG_CUSTOM_MIN_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_END()}; + + cfg_opt_t tztime_opts[] = { + CFG_STR("format", "%Y-%m-%d %H:%M:%S %Z", CFGF_NONE), + CFG_STR("timezone", "", CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_MIN_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_END()}; + + cfg_opt_t load_opts[] = { + CFG_STR("format", "%1min %5min %15min", CFGF_NONE), + CFG_FLOAT("max_threshold", 5, CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_COLOR_OPTS, + CFG_CUSTOM_MIN_WIDTH_OPT, + CFG_END()}; + + cfg_opt_t usage_opts[] = { + CFG_STR("format", "%usage", CFGF_NONE), + CFG_CUSTOM_ALIGN_OPT, + CFG_CUSTOM_MIN_WIDTH_OPT, + CFG_END()}; + + cfg_opt_t temp_opts[] = { + CFG_STR("format", "%degrees C", 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_END()}; + + cfg_opt_t disk_opts[] = { + CFG_STR("format", "%free", 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_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_END()}; + + cfg_opt_t opts[] = { + CFG_STR_LIST("order", "{}", CFGF_NONE), + CFG_SEC("general", general_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("cpu_usage", usage_opts, CFGF_NONE), + CFG_END()}; + + char *configfile = NULL; + int o, option_index = 0; + struct option long_options[] = { + {"config", required_argument, 0, 'c'}, + {"help", no_argument, 0, 'h'}, + {"version", no_argument, 0, 'v'}, + {0, 0, 0, 0}}; + + struct sigaction action; + memset(&action, 0, sizeof(struct sigaction)); + action.sa_handler = fatalsig; + + /* 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 ((o = getopt_long(argc, argv, "c:hv", long_options, &option_index)) != -1) + if ((char)o == 'c') + configfile = optarg; + else if ((char)o == 'h') { + printf("i3status " VERSION " © 2008-2012 Michael Stapelberg and contributors\n" + "Syntax: %s [-c <configfile>] [-h] [-v]\n", + argv[0]); + return 0; + } else if ((char)o == 'v') { + printf("i3status " VERSION " © 2008-2012 Michael Stapelberg and contributors\n"); + return 0; } - 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, "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"); - - // 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"); + 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, "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"); + + // 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"); #if YAJL_MAJOR >= 2 - yajl_gen json_gen = yajl_gen_alloc(NULL); + yajl_gen json_gen = yajl_gen_alloc(NULL); #else - yajl_gen json_gen = yajl_gen_alloc(NULL, NULL); + 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_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"); + + /* 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, "Exiting due to signal.\n"); + exit(1); } - if (output_format == O_TERM) { - /* Save the cursor-position and hide the cursor */ - printf("\033[s\033[?25l"); - /* Undo at exit */ - atexit(&reset_cursor); + 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"); + print_ipv6_info(json_gen, buffer, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); + 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; + print_wireless_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); + 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; + print_eth_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("battery") { + SEC_OPEN_MAP("battery"); + 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")); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("run_watch") { + SEC_OPEN_MAP("run_watch"); + print_run_watch(json_gen, buffer, title, cfg_getstr(sec, "pidfile"), cfg_getstr(sec, "format")); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("path_exists") { + SEC_OPEN_MAP("path_exists"); + print_path_exists(json_gen, buffer, title, cfg_getstr(sec, "path"), cfg_getstr(sec, "format")); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("disk") { + SEC_OPEN_MAP("disk_info"); + 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")); + SEC_CLOSE_MAP; + } + + CASE_SEC("load") { + SEC_OPEN_MAP("load"); + print_load(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getfloat(sec, "max_threshold")); + SEC_CLOSE_MAP; + } + + CASE_SEC("time") { + SEC_OPEN_MAP("time"); + print_time(json_gen, buffer, cfg_getstr(sec, "format"), NULL, tv.tv_sec); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("tztime") { + SEC_OPEN_MAP("tztime"); + print_time(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getstr(sec, "timezone"), tv.tv_sec); + SEC_CLOSE_MAP; + } + + CASE_SEC("ddate") { + SEC_OPEN_MAP("ddate"); + print_ddate(json_gen, buffer, cfg_getstr(sec, "format"), tv.tv_sec); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("volume") { + SEC_OPEN_MAP("volume"); + print_volume(json_gen, buffer, cfg_getstr(sec, "format"), + cfg_getstr(sec, "format_muted"), + cfg_getstr(sec, "device"), + cfg_getstr(sec, "mixer"), + cfg_getint(sec, "mixer_idx")); + SEC_CLOSE_MAP; + } + + CASE_SEC_TITLE("cpu_temperature") { + SEC_OPEN_MAP("cpu_temperature"); + print_cpu_temperature_info(json_gen, buffer, atoi(title), cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getint(sec, "max_threshold")); + SEC_CLOSE_MAP; + } + + CASE_SEC("cpu_usage") { + SEC_OPEN_MAP("cpu_usage"); + print_cpu_usage(json_gen, buffer, cfg_getstr(sec, "format")); + SEC_CLOSE_MAP; + } } - - if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1) - die("Could not create socket\n"); - - int interval = cfg_getint(cfg_general, "interval"); - - /* 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, "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"); - print_ipv6_info(json_gen, buffer, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); - 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; - print_wireless_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); - 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; - print_eth_info(json_gen, buffer, interface, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down")); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("battery") { - SEC_OPEN_MAP("battery"); - 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")); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("run_watch") { - SEC_OPEN_MAP("run_watch"); - print_run_watch(json_gen, buffer, title, cfg_getstr(sec, "pidfile"), cfg_getstr(sec, "format")); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("path_exists") { - SEC_OPEN_MAP("path_exists"); - print_path_exists(json_gen, buffer, title, cfg_getstr(sec, "path"), cfg_getstr(sec, "format")); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("disk") { - SEC_OPEN_MAP("disk_info"); - 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")); - SEC_CLOSE_MAP; - } - - CASE_SEC("load") { - SEC_OPEN_MAP("load"); - print_load(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getfloat(sec, "max_threshold")); - SEC_CLOSE_MAP; - } - - CASE_SEC("time") { - SEC_OPEN_MAP("time"); - print_time(json_gen, buffer, cfg_getstr(sec, "format"), NULL, tv.tv_sec); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("tztime") { - SEC_OPEN_MAP("tztime"); - print_time(json_gen, buffer, cfg_getstr(sec, "format"), cfg_getstr(sec, "timezone"), tv.tv_sec); - SEC_CLOSE_MAP; - } - - CASE_SEC("ddate") { - SEC_OPEN_MAP("ddate"); - print_ddate(json_gen, buffer, cfg_getstr(sec, "format"), tv.tv_sec); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("volume") { - SEC_OPEN_MAP("volume"); - print_volume(json_gen, buffer, cfg_getstr(sec, "format"), - cfg_getstr(sec, "format_muted"), - cfg_getstr(sec, "device"), - cfg_getstr(sec, "mixer"), - cfg_getint(sec, "mixer_idx")); - SEC_CLOSE_MAP; - } - - CASE_SEC_TITLE("cpu_temperature") { - SEC_OPEN_MAP("cpu_temperature"); - print_cpu_temperature_info(json_gen, buffer, atoi(title), cfg_getstr(sec, "path"), cfg_getstr(sec, "format"), cfg_getint(sec, "max_threshold")); - SEC_CLOSE_MAP; - } - - CASE_SEC("cpu_usage") { - SEC_OPEN_MAP("cpu_usage"); - print_cpu_usage(json_gen, buffer, cfg_getstr(sec, "format")); - SEC_CLOSE_MAP; - } - } - if (output_format == O_I3BAR) { - yajl_gen_array_close(json_gen); - const unsigned char *buf; + if (output_format == O_I3BAR) { + yajl_gen_array_close(json_gen); + const unsigned char *buf; #if YAJL_MAJOR >= 2 - size_t len; + size_t len; #else - unsigned int len; + unsigned int len; #endif - yajl_gen_get_buf(json_gen, &buf, &len); - write(STDOUT_FILENO, buf, len); - yajl_gen_clear(json_gen); - } - - printf("\n"); - fflush(stdout); - - /* To provide updates on every full second (as good as possible) - * we don’t use sleep(interval) but we sleep until the next - * second (with microsecond precision) plus (interval-1) - * seconds. We also align to 60 seconds modulo interval such - * that we start with :00 on every new minute. */ - struct timeval current_timeval; - gettimeofday(¤t_timeval, NULL); - struct timespec ts = {interval - 1 - (current_timeval.tv_sec % interval), (10e5 - current_timeval.tv_usec) * 1000}; - nanosleep(&ts, NULL); + yajl_gen_get_buf(json_gen, &buf, &len); + write(STDOUT_FILENO, buf, len); + yajl_gen_clear(json_gen); } + + printf("\n"); + fflush(stdout); + + /* To provide updates on every full second (as good as possible) + * we don’t use sleep(interval) but we sleep until the next + * second (with microsecond precision) plus (interval-1) + * seconds. We also align to 60 seconds modulo interval such + * that we start with :00 on every new minute. */ + struct timeval current_timeval; + gettimeofday(¤t_timeval, NULL); + struct timespec ts = {interval - 1 - (current_timeval.tv_sec % interval), (10e5 - current_timeval.tv_usec) * 1000}; + nanosleep(&ts, NULL); + } } |