735 lines
26 KiB
C
735 lines
26 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3status – Generates a status line for dzen2 or wmii
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*
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*
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* Copyright © 2008-2009 Michael Stapelberg and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* * Neither the name of Michael Stapelberg nor the names of contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdio.h>
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#include <time.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <ctype.h>
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#include <net/if.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <glob.h>
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#include <dirent.h>
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#include <getopt.h>
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#include "queue.h"
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#ifdef LINUX
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#include <linux/ethtool.h>
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#include <linux/sockios.h>
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#else
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/* TODO: correctly check for *BSD */
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/resource.h>
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#endif
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#include "i3status.h"
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#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
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struct battery {
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char *path;
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/* Use last full capacity instead of design capacity */
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bool use_last_full;
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SIMPLEQ_ENTRY(battery) batteries;
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};
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SIMPLEQ_HEAD(battery_head, battery) batteries;
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/* socket file descriptor for general purposes */
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static int general_socket;
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static const char *wlan_interface;
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static const char *eth_interface;
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static char *wmii_path;
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static const char *time_format;
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static bool use_colors;
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static bool get_ethspeed;
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static const char *wmii_normcolors = "#222222 #333333";
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static char order[MAX_ORDER][2];
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static const char **run_watches;
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static unsigned int num_run_watches;
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static unsigned int interval = 1;
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static int max(int a, int b) {
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return (a > b ? a : b);
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}
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/*
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* This function just concats two strings in place, it should only be used
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* for concatting order to the name of a file or concatting color codes.
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* Otherwise, the buffer size would have to be increased.
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*
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*/
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static char *concat(const char *str1, const char *str2) {
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static char concatbuf[32];
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(void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
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return concatbuf;
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}
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/*
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* Returns the correct color format for dzen (^fg(color)) or wmii (color <normcolors>)
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*
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*/
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static char *color(const char *colorstr) {
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static char colorbuf[32];
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#ifdef DZEN
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(void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
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#else
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(void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
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#endif
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return colorbuf;
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}
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/*
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* Cleans wmii's /rbar directory by deleting all regular files
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*
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*/
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static void cleanup_rbar_dir() {
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#ifdef DZEN
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return;
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#endif
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struct dirent *ent;
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DIR *dir;
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char pathbuf[strlen(wmii_path)+256+1];
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if ((dir = opendir(wmii_path)) == NULL)
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exit(EXIT_FAILURE);
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while ((ent = readdir(dir)) != NULL) {
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if (ent->d_type == DT_REG) {
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(void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
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if (unlink(pathbuf) == -1)
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exit(EXIT_FAILURE);
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}
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}
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(void)closedir(dir);
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}
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/*
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* Creates the specified file in wmii's /rbar directory with
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* correct modes and initializes colors if colormode is enabled
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*
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*/
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static void create_file(const char *name) {
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#ifdef DZEN
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return;
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#endif
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char pathbuf[strlen(wmii_path)+256+1];
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int fd;
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int flags = O_CREAT | O_WRONLY;
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struct stat statbuf;
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(void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
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/* Overwrite file's contents if it exists */
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if (stat(pathbuf, &statbuf) >= 0)
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flags |= O_TRUNC;
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if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
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exit(EXIT_FAILURE);
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if (use_colors) {
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char *tmp = color("#888888");
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if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
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exit(EXIT_FAILURE);
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}
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(void)close(fd);
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}
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/*
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* Waits until wmii_path/rbar exists (= the filesystem gets mounted),
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* cleans up all files and creates the needed files
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*
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*/
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static void setup(void) {
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unsigned int i;
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char pathbuf[512];
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#ifndef DZEN
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struct stat statbuf;
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/* Wait until wmii_path/rbar exists */
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for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
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#endif
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cleanup_rbar_dir();
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if (wlan_interface)
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create_file(concat(order[ORDER_WLAN],"wlan"));
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if (eth_interface)
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create_file(concat(order[ORDER_ETH],"eth"));
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create_file(concat(order[ORDER_LOAD],"load"));
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if (time_format)
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create_file(concat(order[ORDER_TIME],"time"));
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for (i = 0; i < num_run_watches; i += 2) {
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snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
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create_file(pathbuf);
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}
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}
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/*
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* Writes the given message in the corresponding file in wmii's /rbar directory
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*
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*/
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static void write_to_statusbar(const char *name, const char *message, bool final_entry) {
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#ifdef DZEN
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if (final_entry) {
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(void)printf("%s^p(6)\n", message);
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fflush(stdout);
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return;
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}
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(void)printf("%s" BAR, message);
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return;
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#endif
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char pathbuf[strlen(wmii_path)+256+1];
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int fd;
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(void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
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if ((fd = open(pathbuf, O_RDWR)) == -1) {
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/* Try to re-setup stuff and just continue */
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setup();
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return;
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}
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if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
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exit(EXIT_FAILURE);
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(void)close(fd);
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}
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/*
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* Writes an errormessage to statusbar
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*
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*/
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static void write_error_to_statusbar(const char *message) {
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cleanup_rbar_dir();
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create_file("error");
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write_to_statusbar("error", message, true);
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}
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/*
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* Write errormessage to statusbar and exit
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*
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*/
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void die(const char *fmt, ...) {
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char buffer[512];
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va_list ap;
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va_start(ap, fmt);
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(void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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if (wmii_path != NULL)
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write_error_to_statusbar(buffer);
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else
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fprintf(stderr, "%s", buffer);
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exit(EXIT_FAILURE);
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}
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/*
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* Skip the given character for exactly 'amount' times, returns
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* a pointer to the first non-'character' character in 'input'.
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*
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*/
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static char *skip_character(char *input, char character, int amount) {
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char *walk;
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size_t len = strlen(input);
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int blanks = 0;
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for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
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if (*walk == character)
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blanks++;
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return (walk == input ? walk : walk-1);
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}
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/*
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* Get battery information from /sys. Note that it uses the design capacity to
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* calculate the percentage, not the last full capacity, so you can see how
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* worn off your battery is.
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*
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*/
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static char *get_battery_info(struct battery *bat) {
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char buf[1024];
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static char part[512];
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char *walk, *last;
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int fd;
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int full_design = -1,
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remaining = -1,
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present_rate = -1;
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charging_status_t status = CS_DISCHARGING;
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if ((fd = open(bat->path, O_RDONLY)) == -1)
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return "No battery found";
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memset(part, 0, sizeof(part));
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(void)read(fd, buf, sizeof(buf));
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for (walk = buf, last = buf; (walk-buf) < 1024; walk++) {
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if (*walk == '\n') {
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last = walk+1;
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continue;
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}
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if (*walk != '=')
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continue;
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if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
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BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
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remaining = atoi(walk+1);
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else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
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present_rate = atoi(walk+1);
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else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
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status = CS_CHARGING;
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else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
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status = CS_FULL;
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else {
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/* The only thing left is the full capacity */
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if (bat->use_last_full) {
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if (!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL") &&
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!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL"))
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continue;
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} else {
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if (!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN") &&
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!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN"))
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continue;
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}
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full_design = atoi(walk+1);
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}
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}
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(void)close(fd);
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if ((full_design == 1) || (remaining == -1))
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return part;
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if (present_rate > 0) {
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float remaining_time;
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int seconds, hours, minutes;
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if (status == CS_CHARGING)
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remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
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else if (status == CS_DISCHARGING)
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remaining_time = ((float)remaining / (float)present_rate);
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else remaining_time = 0;
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seconds = (int)(remaining_time * 3600.0);
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hours = seconds / 3600;
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seconds -= (hours * 3600);
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minutes = seconds / 60;
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seconds -= (minutes * 60);
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(void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
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(status == CS_CHARGING ? "CHR" :
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(status == CS_DISCHARGING ? "BAT" : "FULL")),
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(((float)remaining / (float)full_design) * 100),
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max(hours, 0), max(minutes, 0), max(seconds, 0));
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} else {
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(void)snprintf(part, sizeof(part), "%s %.02f%%",
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(status == CS_CHARGING ? "CHR" :
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(status == CS_DISCHARGING ? "BAT" : "FULL")),
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(((float)remaining / (float)full_design) * 100));
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}
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return part;
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}
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/*
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* Return the IP address for the given interface or "no IP" if the
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* interface is up and running but hasn't got an IP address yet
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*
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*/
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static const char *get_ip_address(const char *interface) {
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static char part[512];
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struct ifreq ifr;
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struct sockaddr_in addr;
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socklen_t len = sizeof(struct sockaddr_in);
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memset(part, 0, sizeof(part));
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/* First check if the interface is running */
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(void)strcpy(ifr.ifr_name, interface);
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if (ioctl(general_socket, SIOCGIFFLAGS, &ifr) < 0 ||
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!(ifr.ifr_flags & IFF_RUNNING))
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return NULL;
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/* Interface is up, get the IP address */
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(void)strcpy(ifr.ifr_name, interface);
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ifr.ifr_addr.sa_family = AF_INET;
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if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
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return "no IP";
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memcpy(&addr, &ifr.ifr_addr, len);
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(void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len);
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if (strlen(part) == 0)
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(void)snprintf(part, sizeof(part), "no IP");
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return part;
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}
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/*
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* Just parses /proc/net/wireless looking for lines beginning with
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* wlan_interface, extracting the quality of the link and adding the
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* current IP address of wlan_interface.
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*
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*/
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static char *get_wireless_info() {
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char buf[1024];
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static char part[512];
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char *interfaces;
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int fd;
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memset(buf, 0, sizeof(buf));
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memset(part, 0, sizeof(part));
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if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
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die("Could not open /proc/net/wireless\n");
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(void)read(fd, buf, sizeof(buf));
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(void)close(fd);
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interfaces = skip_character(buf, '\n', 1) + 1;
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while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
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while (isspace((int)*interfaces))
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interfaces++;
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if (!BEGINS_WITH(interfaces, wlan_interface))
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continue;
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int quality;
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if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
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continue;
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if ((quality == UCHAR_MAX) || (quality == 0)) {
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if (use_colors)
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(void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
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else (void)snprintf(part, sizeof(part), "W: down");
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} else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
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color("#00FF00"), quality, get_ip_address(wlan_interface));
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return part;
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}
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return part;
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}
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/*
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* Combines ethernet IP addresses and speed (if requested) for displaying
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*
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*/
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static char *get_eth_info() {
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static char part[512];
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const char *ip_address = get_ip_address(eth_interface);
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int ethspeed = 0;
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if (get_ethspeed) {
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#ifdef LINUX
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/* This code path requires root privileges */
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struct ifreq ifr;
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struct ethtool_cmd ecmd;
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ecmd.cmd = ETHTOOL_GSET;
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(void)memset(&ifr, 0, sizeof(ifr));
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ifr.ifr_data = (caddr_t)&ecmd;
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(void)strcpy(ifr.ifr_name, eth_interface);
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if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
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ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
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else get_ethspeed = false;
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#endif
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}
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if (ip_address == NULL)
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(void)snprintf(part, sizeof(part), "E: down");
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else {
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if (get_ethspeed)
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(void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
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else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
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}
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return part;
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}
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/*
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* Checks if the PID in path is still valid by checking:
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* (Linux) if /proc/<pid> exists
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* (NetBSD) if sysctl returns process infos for this pid
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*
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*/
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static bool process_runs(const char *path) {
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char pidbuf[16];
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static glob_t globbuf;
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int fd;
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memset(pidbuf, 0, sizeof(pidbuf));
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if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
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die("glob() failed\n");
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fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
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globfree(&globbuf);
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if (fd < 0)
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return false;
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(void)read(fd, pidbuf, sizeof(pidbuf));
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(void)close(fd);
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#ifdef LINUX
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struct stat statbuf;
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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
|
||
}
|
||
|
||
/*
|
||
* Reads the configuration from the given file
|
||
*
|
||
*/
|
||
static int load_configuration(const char *configfile) {
|
||
#define OPT(x) else if (strcasecmp(dest_name, x) == 0)
|
||
|
||
/* 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("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("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);
|
||
|
||
#ifndef DZEN
|
||
if (wmii_path == NULL)
|
||
exit(EXIT_FAILURE);
|
||
#endif
|
||
|
||
return result;
|
||
}
|
||
|
||
int main(int argc, char *argv[]) {
|
||
char part[512],
|
||
pathbuf[512];
|
||
unsigned int i;
|
||
|
||
char *configfile = PREFIX "/etc/i3status.conf";
|
||
int o, option_index = 0;
|
||
struct option long_options[] = {
|
||
{"config", required_argument, 0, 'c'},
|
||
{"help", no_argument, 0, 'h'},
|
||
{0, 0, 0, 0}
|
||
};
|
||
|
||
SIMPLEQ_INIT(&batteries);
|
||
|
||
while ((o = getopt_long(argc, argv, "c:h", 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]);
|
||
return 0;
|
||
}
|
||
|
||
if (load_configuration(configfile) < 0)
|
||
return EXIT_FAILURE;
|
||
|
||
setup();
|
||
|
||
if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
|
||
die("Could not create socket\n");
|
||
|
||
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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
|
||
/* 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);
|
||
}
|
||
|
||
sleep(interval);
|
||
}
|
||
}
|