/*
* vim:ts=8:expandtab
*
- * i3status – Generates a status line for dzen2 or wmii
+ * i3status – Generates a status line for dzen2 or xmobar
*
- *
- * Copyright © 2008-2009 Michael Stapelberg and contributors
+ * Copyright © 2008-2011 Michael Stapelberg and contributors
* Copyright © 2009 Thorsten Toepper <atsutane at freethoughts dot de>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
+ * Copyright © 2010 Axel Wagner <mail at merovius dot de>
+ * Copyright © 2010 Fernando Tarlá Cardoso Lemos <fernandotcl at gmail dot com>
*
- * * Neither the name of Michael Stapelberg nor the names of contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
- * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
+ * See file LICENSE for license information.
*
*/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
#include <string.h>
#include <stdio.h>
-#include <time.h>
#include <stdbool.h>
-#include <stdarg.h>
#include <unistd.h>
#include <stdlib.h>
-#include <limits.h>
-#include <ctype.h>
-#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <getopt.h>
#include <signal.h>
-
-#include "queue.h"
+#include <confuse.h>
+#include <glob.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+#include <sys/time.h>
+#include <locale.h>
#include "i3status.h"
-struct battery_head batteries;
+#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); }
/* socket file descriptor for general purposes */
int general_socket;
-const char *wlan_interface = NULL;
-const char *eth_interface = NULL;
-const char *wmii_path = NULL;
-const char *time_format = NULL;
-bool use_colors = false;
-bool get_ethspeed = false;
-bool get_ipv6 = false;
-bool get_cpu_temperature = false;
-char *thermal_zone = NULL;
-const char *wmii_normcolors = "#222222 #333333";
-int order[MAX_ORDER];
-const char **run_watches = NULL;
-unsigned int num_run_watches;
-unsigned int interval = 1;
+cfg_t *cfg, *cfg_general;
/*
* Exit upon SIGPIPE because when we have nowhere to write to, gathering
exit(1);
}
+/*
+ * Checks if the given path exists by calling stat().
+ *
+ */
+static bool path_exists(const char *path) {
+ 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;
+}
+
+static char *sstrdup(const char *str) {
+ char *result = strdup(str);
+ exit_if_null(result, "Error: out of memory (strdup())\n");
+ return result;
+}
+
+
+/*
+ * 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;
+}
+
+/*
+ * This function resolves ~ in pathnames.
+ * It may resolve wildcards in the first part of the path, but if no match
+ * or multiple matches are found, it just returns a copy of path as given.
+ *
+ */
+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));
+ strncat(result, tail, strlen(tail));
+ }
+ globfree(&globbuf);
+
+ return result;
+}
+
+static char *get_config_path() {
+ 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, ":");
+ }
+ free(buf);
+
+ die("Unable to find the configuration file (looked at "
+ "~/.i3status/config, $XDG_CONFIG_HOME/i3status/config, "
+ "/etc/i3status/config and $XDG_CONFIG_DIRS/i3status/config)");
+ return NULL;
+}
+
int main(int argc, char *argv[]) {
- char part[512],
- pathbuf[512];
- unsigned int i;
- int j;
+ unsigned int j;
+
+ cfg_opt_t general_opts[] = {
+ CFG_STR("output_format", "auto", CFGF_NONE),
+ CFG_BOOL("colors", 1, CFGF_NONE),
+ CFG_STR("color_good", "#00FF00", CFGF_NONE),
+ CFG_STR("color_degraded", "#FFFF00", CFGF_NONE),
+ CFG_STR("color_bad", "#FF0000", CFGF_NONE),
+ CFG_STR("color_separator", "#333333", CFGF_NONE),
+ CFG_INT("interval", 1, CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t run_watch_opts[] = {
+ CFG_STR("pidfile", NULL, CFGF_NONE),
+ CFG_STR("format", "%title: %status", CFGF_NONE),
+ 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_END()
+ };
+
+ cfg_opt_t ethernet_opts[] = {
+ CFG_STR("format_up", "E: %ip (%speed)", CFGF_NONE),
+ CFG_STR("format_down", "E: down", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t ipv6_opts[] = {
+ CFG_STR("format_up", "%ip", CFGF_NONE),
+ CFG_STR("format_down", "no IPv6", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t battery_opts[] = {
+ CFG_STR("format", "%status %percentage %remaining", CFGF_NONE),
+ CFG_BOOL("last_full_capacity", false, CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t time_opts[] = {
+ CFG_STR("format", "%d.%m.%Y %H:%M:%S", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t ddate_opts[] = {
+ CFG_STR("format", "%{%a, %b %d%}, %Y%N - %H", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t load_opts[] = {
+ CFG_STR("format", "%5min %10min %15min", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t usage_opts[] = {
+ CFG_STR("format", "%usage", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t temp_opts[] = {
+ CFG_STR("format", "%degrees C", CFGF_NONE),
+ CFG_STR("path", NULL, CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t disk_opts[] = {
+ CFG_STR("format", "%free", CFGF_NONE),
+ CFG_END()
+ };
+
+ cfg_opt_t volume_opts[] = {
+ CFG_STR("format", "♪: %volume", CFGF_NONE),
+ CFG_STR("device", "default", CFGF_NONE),
+ CFG_STR("mixer", "Master", CFGF_NONE),
+ CFG_INT("mixer_idx", 0, CFGF_NONE),
+ CFG_END()
+ };
- char *configfile = PREFIX "/etc/i3status.conf";
+ cfg_opt_t opts[] = {
+ CFG_STR_LIST("order", "{ipv6,\"run_watch DHCP\",\"wireless wlan0\",\"ethernet eth0\",\"battery 0\",\"cpu_temperature 0\",load,time}", CFGF_NONE),
+ CFG_SEC("general", general_opts, CFGF_NONE),
+ CFG_SEC("run_watch", run_watch_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("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}
};
action.sa_handler = sigpipe;
sigaction(SIGPIPE, &action, NULL);
- SIMPLEQ_INIT(&batteries);
+ 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:h", long_options, &option_index)) != -1)
+ 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 (c) 2008-2009 Michael Stapelberg\n"
- "Syntax: %s [-c <configfile>]\n", argv[0]);
+ printf("i3status " VERSION " © 2008-2011 Michael Stapelberg and contributors\n"
+ "Syntax: %s [-c <configfile>] [-h] [-v]\n", argv[0]);
+ return 0;
+ } else if ((char)o == 'v') {
+ printf("i3status " VERSION " © 2008-2011 Michael Stapelberg and contributors\n");
return 0;
}
- if (load_configuration(configfile) < 0)
+
+ if (configfile == NULL)
+ configfile = get_config_path();
+
+ cfg = cfg_init(opts, CFGF_NONE);
+ if (cfg_parse(cfg, configfile) == CFG_PARSE_ERROR)
return EXIT_FAILURE;
- setup();
+ 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, "none") == 0)
+ output_format = O_NONE;
+ else die("Unknown output format: \"%s\"\n", output_str);
+
+ 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 ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
die("Could not create socket\n");
+ int interval = cfg_getint(cfg_general, "interval");
+
+ struct tm tm;
while (1) {
- for (j = 0; j < MAX_ORDER; j++) {
- generate_order(wlan_interface, ORDER_WLAN, "wlan", get_wireless_info());
- generate_order(eth_interface, ORDER_ETH, "eth", get_eth_info());
- generate_order(get_ipv6, ORDER_IPV6, "ipv6", get_ipv6_addr());
- generate_order(get_cpu_temperature, ORDER_CPU_TEMPERATURE, "cpu_temperature", get_cpu_temperature_info());
- generate_order(true, ORDER_LOAD, "load", get_load());
-
- if (j == order[ORDER_RUN]) {
- for (i = 0; i < num_run_watches; i += 2) {
- bool running = process_runs(run_watches[i+1]);
- if (use_colors)
- snprintf(part, sizeof(part), "%s%s: %s",
- (running ? color("#00FF00") : color("#FF0000")),
- run_watches[i],
- (running ? "yes" : "no"));
- else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no"));
- snprintf(pathbuf, sizeof(pathbuf), "%d%s", order[ORDER_RUN], run_watches[i]);
- write_to_statusbar(pathbuf, part, false);
- }
- }
-
- if (j == order[ORDER_BATTERY]) {
- struct battery *current;
- SIMPLEQ_FOREACH(current, &batteries, batteries)
- generate(ORDER_BATTERY, "battery", get_battery_info(current));
- }
-
- if (j == order[ORDER_TIME] && time_format != NULL) {
- /* Get date & time */
- time_t current_time = time(NULL);
- struct tm *current_tm = localtime(¤t_time);
- (void)strftime(part, sizeof(part), time_format, current_tm);
- generate(ORDER_TIME, "time", part);
- }
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ time_t current_time = tv.tv_sec;
+ struct tm *current_tm = NULL;
+ if (current_time != (time_t) -1) {
+ localtime_r(¤t_time, &tm);
+ current_tm = &tm;
+ }
+ for (j = 0; j < cfg_size(cfg, "order"); j++) {
+ if (j > 0)
+ print_seperator();
+
+ const char *current = cfg_getnstr(cfg, "order", j);
+
+ CASE_SEC("ipv6")
+ print_ipv6_info(cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
+
+ CASE_SEC_TITLE("wireless")
+ print_wireless_info(title, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
+
+ CASE_SEC_TITLE("ethernet")
+ print_eth_info(title, cfg_getstr(sec, "format_up"), cfg_getstr(sec, "format_down"));
+
+ CASE_SEC_TITLE("battery")
+ print_battery_info(atoi(title), cfg_getstr(sec, "format"), cfg_getbool(sec, "last_full_capacity"));
+
+ CASE_SEC_TITLE("run_watch")
+ print_run_watch(title, cfg_getstr(sec, "pidfile"), cfg_getstr(sec, "format"));
+
+ CASE_SEC_TITLE("disk")
+ print_disk_info(title, cfg_getstr(sec, "format"));
+
+ CASE_SEC("load")
+ print_load(cfg_getstr(sec, "format"));
+
+ CASE_SEC("time")
+ print_time(cfg_getstr(sec, "format"), current_tm);
+
+ CASE_SEC("ddate")
+ print_ddate(cfg_getstr(sec, "format"), current_tm);
+
+ CASE_SEC_TITLE("volume")
+ print_volume(cfg_getstr(sec, "format"),
+ cfg_getstr(sec, "device"),
+ cfg_getstr(sec, "mixer"),
+ cfg_getint(sec, "mixer_idx"));
+
+ CASE_SEC_TITLE("cpu_temperature")
+ print_cpu_temperature_info(atoi(title), cfg_getstr(sec, "path"), cfg_getstr(sec, "format"));
+
+ CASE_SEC("cpu_usage")
+ print_cpu_usage(cfg_getstr(sec, "format"));
}
+ printf("\n");
+ fflush(stdout);
- sleep(interval);
+ /* 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. */
+ struct timeval current_timeval;
+ gettimeofday(¤t_timeval, NULL);
+ struct timespec ts = {interval - 1, (10e5 - current_timeval.tv_usec) * 1000};
+ nanosleep(&ts, NULL);
}
}
projects / i3 / i3status / blobdiff