/*
* 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.
- *
- * * 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.
+ * Copyright © 2010 Axel Wagner <mail at merovius dot de>
+ * Copyright © 2010 Fernando Tarlá Cardoso Lemos <fernandotcl at gmail dot com>
*
- * 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 <net/if.h>
-#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <glob.h>
-#include <dirent.h>
#include <getopt.h>
-
-#include "queue.h"
-
-#ifdef LINUX
-#include <linux/ethtool.h>
-#include <linux/sockios.h>
-#else
-/* TODO: correctly check for *BSD */
-#include <sys/param.h>
-#include <sys/sysctl.h>
-#include <sys/resource.h>
-#endif
+#include <signal.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"
-#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
-
-struct battery {
- char *path;
- /* Use last full capacity instead of design capacity */
- bool use_last_full;
- SIMPLEQ_ENTRY(battery) batteries;
-};
-
-SIMPLEQ_HEAD(battery_head, battery) batteries;
+#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); }
/* socket file descriptor for general purposes */
-static int general_socket;
-
-static const char *wlan_interface;
-static const char *eth_interface;
-static char *wmii_path;
-static const char *time_format;
-static bool use_colors;
-static bool get_ethspeed;
-static bool get_cpu_temperature;
-static char *thermal_zone;
-static const char *wmii_normcolors = "#222222 #333333";
-static char order[MAX_ORDER][2];
-static const char **run_watches;
-static unsigned int num_run_watches;
-static unsigned int interval = 1;
-
-static int max(int a, int b) {
- return (a > b ? a : b);
-}
+int general_socket;
-/*
- * This function just concats two strings in place, it should only be used
- * for concatting order to the name of a file or concatting color codes.
- * Otherwise, the buffer size would have to be increased.
- *
- */
-static char *concat(const char *str1, const char *str2) {
- static char concatbuf[32];
- (void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
- return concatbuf;
-}
+cfg_t *cfg, *cfg_general;
/*
- * Returns the correct color format for dzen (^fg(color)) or wmii (color <normcolors>)
+ * Exit upon SIGPIPE because when we have nowhere to write to, gathering
+ * system information is pointless.
*
*/
-static char *color(const char *colorstr) {
- static char colorbuf[32];
-#ifdef DZEN
- (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
-#else
- (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
-#endif
- return colorbuf;
+void sigpipe(int signum) {
+ fprintf(stderr, "Received SIGPIPE, exiting\n");
+ exit(1);
}
/*
- * Cleans wmii's /rbar directory by deleting all regular files
+ * Checks if the given path exists by calling stat().
*
*/
-static void cleanup_rbar_dir() {
-#ifdef DZEN
- return;
-#endif
- struct dirent *ent;
- DIR *dir;
- char pathbuf[strlen(wmii_path)+256+1];
-
- if ((dir = opendir(wmii_path)) == NULL)
- exit(EXIT_FAILURE);
-
- while ((ent = readdir(dir)) != NULL) {
- if (ent->d_type == DT_REG) {
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
- if (unlink(pathbuf) == -1)
- exit(EXIT_FAILURE);
- }
- }
-
- (void)closedir(dir);
-}
-
-/*
- * Creates the specified file in wmii's /rbar directory with
- * correct modes and initializes colors if colormode is enabled
- *
- */
-static void create_file(const char *name) {
-#ifdef DZEN
- return;
-#endif
- char pathbuf[strlen(wmii_path)+256+1];
- int fd;
- int flags = O_CREAT | O_WRONLY;
- struct stat statbuf;
-
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
-
- /* Overwrite file's contents if it exists */
- if (stat(pathbuf, &statbuf) >= 0)
- flags |= O_TRUNC;
-
- if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
- exit(EXIT_FAILURE);
- if (use_colors) {
- char *tmp = color("#888888");
- if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
- exit(EXIT_FAILURE);
- }
- (void)close(fd);
+static bool path_exists(const char *path) {
+ struct stat buf;
+ return (stat(path, &buf) == 0);
}
-/*
- * Waits until wmii_path/rbar exists (= the filesystem gets mounted),
- * cleans up all files and creates the needed files
- *
- */
-static void setup(void) {
- unsigned int i;
- char pathbuf[512];
-
-#ifndef DZEN
- struct stat statbuf;
- /* Wait until wmii_path/rbar exists */
- for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
-#endif
-
- cleanup_rbar_dir();
- if (wlan_interface)
- create_file(concat(order[ORDER_WLAN],"wlan"));
- if (eth_interface)
- create_file(concat(order[ORDER_ETH],"eth"));
- if (get_cpu_temperature)
- create_file(concat(order[ORDER_CPU_TEMPERATURE], "cpu_temperature"));
- create_file(concat(order[ORDER_LOAD],"load"));
- if (time_format)
- create_file(concat(order[ORDER_TIME],"time"));
- for (i = 0; i < num_run_watches; i += 2) {
- snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
- create_file(pathbuf);
- }
+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;
}
-/*
- * Writes the given message in the corresponding file in wmii's /rbar directory
- *
- */
-static void write_to_statusbar(const char *name, const char *message, bool final_entry) {
-#ifdef DZEN
- if (final_entry) {
- (void)printf("%s^p(6)\n", message);
- fflush(stdout);
- return;
- }
- (void)printf("%s" BAR, message);
- return;
-#endif
-
- char pathbuf[strlen(wmii_path)+256+1];
- int fd;
-
- (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
- if ((fd = open(pathbuf, O_RDWR)) == -1) {
- /* Try to re-setup stuff and just continue */
- setup();
- return;
- }
- if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
- exit(EXIT_FAILURE);
- (void)close(fd);
+static char *sstrdup(const char *str) {
+ char *result = strdup(str);
+ exit_if_null(result, "Error: out of memory (strdup())\n");
+ return result;
}
-/*
- * Writes an errormessage to statusbar
- *
- */
-static void write_error_to_statusbar(const char *message) {
- cleanup_rbar_dir();
- create_file("error");
- write_to_statusbar("error", message, true);
-}
/*
- * Write errormessage to statusbar and exit
+ * Validates a color in "#RRGGBB" format
*
*/
-void die(const char *fmt, ...) {
- char buffer[512];
- va_list ap;
- va_start(ap, fmt);
- (void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
- va_end(ap);
-
- if (wmii_path != NULL)
- write_error_to_statusbar(buffer);
- else
- fprintf(stderr, "%s", buffer);
- exit(EXIT_FAILURE);
+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;
}
/*
- * Skip the given character for exactly 'amount' times, returns
- * a pointer to the first non-'character' character in 'input'.
+ * 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 *skip_character(char *input, char character, int amount) {
- char *walk;
- size_t len = strlen(input);
- int blanks = 0;
-
- for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
- if (*walk == character)
- blanks++;
+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 (walk == input ? walk : walk-1);
+ return result;
}
-/*
- * Get battery information from /sys. Note that it uses the design capacity to
- * calculate the percentage, not the last full capacity, so you can see how
- * worn off your battery is.
- *
- */
-static char *get_battery_info(struct battery *bat) {
- char buf[1024];
- static char part[512];
- char *walk, *last;
- int fd;
- int full_design = -1,
- remaining = -1,
- present_rate = -1;
- charging_status_t status = CS_DISCHARGING;
-
- if ((fd = open(bat->path, O_RDONLY)) == -1)
- return "No battery found";
-
- memset(part, 0, sizeof(part));
- (void)read(fd, buf, sizeof(buf));
- for (walk = buf, last = buf; (walk-buf) < 1024; walk++) {
- if (*walk == '\n') {
- last = walk+1;
- continue;
- }
-
- if (*walk != '=')
- continue;
-
- if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
- BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
- remaining = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
- present_rate = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
- status = CS_CHARGING;
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
- status = CS_FULL;
- else {
- /* The only thing left is the full capacity */
- if (bat->use_last_full) {
- if (!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL") &&
- !BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL"))
- continue;
- } else {
- if (!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN") &&
- !BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN"))
- continue;
- }
-
- full_design = atoi(walk+1);
+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, ":");
}
- (void)close(fd);
-
- if ((full_design == 1) || (remaining == -1))
- return part;
-
- if (present_rate > 0) {
- float remaining_time;
- int seconds, hours, minutes;
- if (status == CS_CHARGING)
- remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
- else if (status == CS_DISCHARGING)
- remaining_time = ((float)remaining / (float)present_rate);
- else remaining_time = 0;
-
- seconds = (int)(remaining_time * 3600.0);
- hours = seconds / 3600;
- seconds -= (hours * 3600);
- minutes = seconds / 60;
- seconds -= (minutes * 60);
-
- (void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100),
- max(hours, 0), max(minutes, 0), max(seconds, 0));
- } else {
- (void)snprintf(part, sizeof(part), "%s %.02f%%",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100));
- }
- return part;
-}
+ free(buf);
-/*
- * Return the IP address for the given interface or "no IP" if the
- * interface is up and running but hasn't got an IP address yet
- *
- */
-static const char *get_ip_address(const char *interface) {
- static char part[512];
- struct ifreq ifr;
- struct sockaddr_in addr;
- socklen_t len = sizeof(struct sockaddr_in);
- memset(part, 0, sizeof(part));
-
- /* First check if the interface is running */
- (void)strcpy(ifr.ifr_name, interface);
- if (ioctl(general_socket, SIOCGIFFLAGS, &ifr) < 0 ||
- !(ifr.ifr_flags & IFF_RUNNING))
- return NULL;
-
- /* Interface is up, get the IP address */
- (void)strcpy(ifr.ifr_name, interface);
- ifr.ifr_addr.sa_family = AF_INET;
- if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
- return "no IP";
-
- memcpy(&addr, &ifr.ifr_addr, len);
- (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len);
- if (strlen(part) == 0)
- (void)snprintf(part, sizeof(part), "no IP");
-
- return part;
+ 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;
}
-/*
- * Just parses /proc/net/wireless looking for lines beginning with
- * wlan_interface, extracting the quality of the link and adding the
- * current IP address of wlan_interface.
- *
- */
-static char *get_wireless_info() {
- char buf[1024];
- static char part[512];
- char *interfaces;
- int fd;
- memset(buf, 0, sizeof(buf));
- memset(part, 0, sizeof(part));
-
- if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
- die("Could not open /proc/net/wireless\n");
- (void)read(fd, buf, sizeof(buf));
- (void)close(fd);
-
- interfaces = skip_character(buf, '\n', 1) + 1;
- while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
- while (isspace((int)*interfaces))
- interfaces++;
- if (!BEGINS_WITH(interfaces, wlan_interface))
- continue;
- int quality;
- if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
- continue;
- if ((quality == UCHAR_MAX) || (quality == 0)) {
- if (use_colors)
- (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
- else (void)snprintf(part, sizeof(part), "W: down");
- } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
- color("#00FF00"), quality, get_ip_address(wlan_interface));
- return part;
- }
+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("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()
+ };
- return part;
-}
+ cfg_opt_t run_watch_opts[] = {
+ CFG_STR("pidfile", NULL, CFGF_NONE),
+ CFG_STR("format", "%title: %status", CFGF_NONE),
+ CFG_END()
+ };
-/*
- * Combines ethernet IP addresses and speed (if requested) for displaying
- *
- */
-static char *get_eth_info() {
- static char part[512];
- const char *ip_address = get_ip_address(eth_interface);
- int ethspeed = 0;
-
- if (get_ethspeed) {
-#ifdef LINUX
- /* This code path requires root privileges */
- struct ifreq ifr;
- struct ethtool_cmd ecmd;
-
- ecmd.cmd = ETHTOOL_GSET;
- (void)memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_data = (caddr_t)&ecmd;
- (void)strcpy(ifr.ifr_name, eth_interface);
- if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
- ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
- else get_ethspeed = false;
-#endif
- }
+ 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()
+ };
- if (ip_address == NULL)
- (void)snprintf(part, sizeof(part), "E: down");
- else {
- if (get_ethspeed)
- (void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
- else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
- }
+ cfg_opt_t ethernet_opts[] = {
+ CFG_STR("format_up", "E: %ip (%speed)", CFGF_NONE),
+ CFG_STR("format_down", "E: down", CFGF_NONE),
+ CFG_END()
+ };
- return part;
-}
+ cfg_opt_t ipv6_opts[] = {
+ CFG_STR("format_up", "%ip", CFGF_NONE),
+ CFG_STR("format_down", "no IPv6", CFGF_NONE),
+ CFG_END()
+ };
-/*
- * Reads the CPU temperature from /sys/class/thermal/thermal_zone0/temp and
- * returns the temperature in degree celcius.
- *
- */
-static char *get_cpu_temperature_info() {
- static char part[16];
- char buf[16];
- int temp;
- int fd;
-
- memset(buf, 0, sizeof(buf));
- memset(part, 0, sizeof(part));
-
- if ((fd = open(thermal_zone, O_RDONLY)) == -1)
- die("Could not open %s\n", thermal_zone);
- (void)read(fd, buf, sizeof(buf));
- (void)close(fd);
-
- if (sscanf(buf, "%d", &temp) != 1)
- (void)snprintf(part, sizeof(part), "T: ? C");
- else
- (void)snprintf(part, sizeof(part), "T: %d C", (temp/1000));
-
- return part;
-}
+ cfg_opt_t battery_opts[] = {
+ CFG_STR("format", "%status %percentage %remaining", CFGF_NONE),
+ CFG_BOOL("last_full_capacity", false, CFGF_NONE),
+ CFG_END()
+ };
-/*
- * Checks if the PID in path is still valid by checking:
- * (Linux) if /proc/<pid> exists
- * (NetBSD) if sysctl returns process infos for this pid
- *
- */
-static bool process_runs(const char *path) {
- char pidbuf[16];
- static glob_t globbuf;
- int fd;
- memset(pidbuf, 0, sizeof(pidbuf));
+ cfg_opt_t time_opts[] = {
+ CFG_STR("format", "%d.%m.%Y %H:%M:%S", CFGF_NONE),
+ CFG_END()
+ };
- if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed\n");
- fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
- globfree(&globbuf);
- if (fd < 0)
- return false;
- (void)read(fd, pidbuf, sizeof(pidbuf));
- (void)close(fd);
-
-#ifdef LINUX
- struct stat statbuf;
- char procbuf[512];
- (void)snprintf(procbuf, sizeof(procbuf), "/proc/%ld", strtol(pidbuf, NULL, 10));
- return (stat(procbuf, &statbuf) >= 0);
-#else
- /* TODO: correctly check for NetBSD. Evaluate if this runs on OpenBSD/FreeBSD */
- struct kinfo_proc info;
- size_t length = sizeof(struct kinfo_proc);
- int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, strtol(pidbuf, NULL, 10) };
- if (sysctl(mib, 4, &info, &length, NULL, 0) < 0)
- return false;
- return (length != 0);
-#endif
-}
+ cfg_opt_t ddate_opts[] = {
+ CFG_STR("format", "%{%a, %b %d%}, %Y%N - %H", CFGF_NONE),
+ CFG_END()
+ };
-/*
- * Reads the configuration from the given file
- *
- */
-static int load_configuration(const char *configfile) {
- #define OPT(x) else if (strcasecmp(dest_name, x) == 0)
+ cfg_opt_t load_opts[] = {
+ CFG_STR("format", "%5min %10min %15min", CFGF_NONE),
+ CFG_END()
+ };
- /* check if the file exists */
- struct stat buf;
- if (stat(configfile, &buf) < 0)
- return -1;
-
- int result = 0;
- FILE *handle = fopen(configfile, "r");
- if (handle == NULL)
- die("Could not open configfile\n");
- char dest_name[512], dest_value[512], whole_buffer[1026];
-
- while (!feof(handle)) {
- char *ret;
- if ((ret = fgets(whole_buffer, 1024, handle)) == whole_buffer) {
- /* sscanf implicitly strips whitespace */
- if (sscanf(whole_buffer, "%s %[^\n]", dest_name, dest_value) < 1)
- continue;
- } else if (ret != NULL)
- die("Could not read line in configuration file\n");
-
- /* skip comments and empty lines */
- if (dest_name[0] == '#' || strlen(dest_name) < 3)
- continue;
-
- OPT("wlan")
- wlan_interface = strdup(dest_value);
- OPT("eth")
- eth_interface = strdup(dest_value);
- OPT("time_format")
- time_format = strdup(dest_value);
- OPT("battery") {
- struct battery *new = calloc(1, sizeof(struct battery));
- if (new == NULL)
- die("Could not allocate memory\n");
- if (asprintf(&(new->path), "/sys/class/power_supply/BAT%d/uevent", atoi(dest_value)) == -1)
- die("Could not build battery path\n");
-
- /* check if flags were specified for this battery */
- if (strstr(dest_value, ",") != NULL) {
- char *flags = strstr(dest_value, ",");
- flags++;
- if (*flags == 'f')
- new->use_last_full = true;
- }
- SIMPLEQ_INSERT_TAIL(&batteries, new, batteries);
- } OPT("color")
- use_colors = true;
- OPT("get_ethspeed")
- get_ethspeed = true;
- OPT("get_cpu_temperature") {
- get_cpu_temperature = true;
- if (strlen(dest_value) > 0) {
- if (asprintf(&thermal_zone, "/sys/class/thermal/thermal_zone%d/temp", atoi(dest_value)) == -1)
- die("Could not build thermal_zone path\n");
- } else {
- if (asprintf(&thermal_zone, "/sys/class/thermal/thermal_zone0/temp") == -1)
- die("Could not build thermal_zone path\n");
- }
- } OPT("normcolors")
- wmii_normcolors = strdup(dest_value);
- OPT("interval")
- interval = atoi(dest_value);
- OPT("wmii_path")
- {
-#ifndef DZEN
- static glob_t globbuf;
- struct stat stbuf;
- if (glob(dest_value, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed\n");
- wmii_path = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : dest_value);
- globfree(&globbuf);
-
- if ((stat(wmii_path, &stbuf)) == -1) {
- fprintf(stderr, "Warning: wmii_path contains an invalid path\n");
- free(wmii_path);
- wmii_path = strdup(dest_value);
- }
- if (wmii_path[strlen(wmii_path)-1] != '/')
- die("wmii_path is not terminated by /\n");
-#endif
- }
- OPT("run_watch")
- {
- char *name = strdup(dest_value);
- char *path = name;
- while (*path != ' ')
- path++;
- *(path++) = '\0';
- num_run_watches += 2;
- run_watches = realloc(run_watches, sizeof(char*) * num_run_watches);
- run_watches[num_run_watches-2] = name;
- run_watches[num_run_watches-1] = path;
- }
- OPT("order")
- {
- #define SET_ORDER(opt, idx) { if (strcasecmp(token, opt) == 0) sprintf(order[idx], "%d", c++); }
- char *walk, *token;
- int c = 0;
- walk = token = dest_value;
- while (*walk != '\0') {
- while ((*walk != ',') && (*walk != '\0'))
- walk++;
- *(walk++) = '\0';
- SET_ORDER("run", ORDER_RUN);
- SET_ORDER("wlan", ORDER_WLAN);
- SET_ORDER("eth", ORDER_ETH);
- SET_ORDER("battery", ORDER_BATTERY);
- SET_ORDER("cpu_temperature", ORDER_CPU_TEMPERATURE);
- SET_ORDER("load", ORDER_LOAD);
- SET_ORDER("time", ORDER_TIME);
- token = walk;
- while (isspace((int)(*token)))
- token++;
- }
- }
- else
- {
- result = -2;
- die("Unknown configfile option: %s\n", dest_name);
- }
- }
- fclose(handle);
+ cfg_opt_t usage_opts[] = {
+ CFG_STR("format", "%usage", CFGF_NONE),
+ CFG_END()
+ };
-#ifndef DZEN
- if (wmii_path == NULL)
- exit(EXIT_FAILURE);
-#endif
+ cfg_opt_t temp_opts[] = {
+ CFG_STR("format", "%degrees C", CFGF_NONE),
+ CFG_STR("path", NULL, CFGF_NONE),
+ CFG_END()
+ };
- return result;
-}
+ cfg_opt_t disk_opts[] = {
+ CFG_STR("format", "%free", CFGF_NONE),
+ CFG_END()
+ };
-int main(int argc, char *argv[]) {
- char part[512],
- pathbuf[512];
- unsigned int i;
+ 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}
};
- SIMPLEQ_INIT(&batteries);
+ struct sigaction action;
+ memset(&action, 0, sizeof(struct sigaction));
+ action.sa_handler = sigpipe;
+ sigaction(SIGPIPE, &action, NULL);
- while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1)
+ 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 (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 (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), "%s%s", order[ORDER_RUN], run_watches[i]);
- write_to_statusbar(pathbuf, part, false);
+ 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();
- if (wlan_interface)
- write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info(), false);
- if (eth_interface)
- write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info(), false);
- struct battery *current_battery;
- SIMPLEQ_FOREACH(current_battery, &batteries, batteries) {
- write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info(current_battery), false);
- }
- if (get_cpu_temperature)
- write_to_statusbar(concat(order[ORDER_CPU_TEMPERATURE], "cpu_temperature"), get_cpu_temperature_info(), false);
-
- /* Get load */
-#ifdef LINUX
- int load_avg;
- if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1)
- die("Could not open /proc/loadavg\n");
- (void)read(load_avg, part, sizeof(part));
- (void)close(load_avg);
- *skip_character(part, ' ', 3) = '\0';
-#else
- /* TODO: correctly check for NetBSD, check if it works the same on *BSD */
- struct loadavg load;
- size_t length = sizeof(struct loadavg);
- int mib[2] = { CTL_VM, VM_LOADAVG };
- if (sysctl(mib, 2, &load, &length, NULL, 0) < 0)
- die("Could not sysctl({ CTL_VM, VM_LOADAVG })\n");
- double scale = load.fscale;
- (void)snprintf(part, sizeof(part), "%.02f %.02f %.02f",
- (double)load.ldavg[0] / scale,
- (double)load.ldavg[1] / scale,
- (double)load.ldavg[2] / scale);
-#endif
- write_to_statusbar(concat(order[ORDER_LOAD], "load"), part, !time_format);
-
- if (time_format) {
- /* 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);
- write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true);
+ 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