X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/217da011dd6ea0bdbdc25796acdf72ae0e737d88..237a7720b710ade7aa8f2b852b43100de872248f:/slstatus.c?ds=sidebyside
diff --git a/slstatus.c b/slstatus.c
index 6c25f3f..34fd951 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -1,4 +1,11 @@
-/* See LICENSE file for copyright and license details. */
+/*
+ * Copyright (C) 2016, drkhsh
+ * Copyright (C) 2016, Ali H. Fardan (Raiz) <raiz@firemail.cc>
+ * see LICENSE for copyright details
+ */
+
+#define _GNU_SOURCE
+#define VERSION "2.0"
#include <alsa/asoundlib.h>
#include <err.h>
@@ -8,6 +15,7 @@
#include <linux/wireless.h>
#include <netdb.h>
#include <pwd.h>
+#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@@ -25,44 +33,52 @@
#undef strlcat
#undef strlcpy
-#include "strlcat.h"
-#include "strlcpy.h"
-#include "concat.h"
-
-char concat[];
+#include "extern/arg.h"
+#include "extern/strlcat.h"
+#include "extern/strlcpy.h"
+#include "extern/concat.h"
struct arg {
char *(*func)();
- const char *format;
+ const char *fmt;
const char *args;
};
-static char *smprintf(const char *, ...);
-static char *battery_perc(const char *);
+static char *smprintf(const char *fmt, ...);
+static char *battery_perc(const char *bat);
+static char *battery_state(const char *bat);
static char *cpu_perc(void);
-static char *datetime(const char *);
-static char *disk_free(const char *);
-static char *disk_perc(const char *);
-static char *disk_total(const char *);
-static char *disk_used(const char *);
+static char *datetime(const char *fmt);
+static char *disk_free(const char *mnt);
+static char *disk_perc(const char *mnt);
+static char *disk_total(const char *mnt);
+static char *disk_used(const char *mnt);
static char *entropy(void);
static char *gid(void);
static char *hostname(void);
-static char *ip(const char *);
+static char *ip(const char *iface);
static char *load_avg(void);
static char *ram_free(void);
static char *ram_perc(void);
static char *ram_used(void);
static char *ram_total(void);
-static char *run_command(const char *);
-static char *temp(const char *);
+static char *run_command(const char *cmd);
+static char *temp(const char *file);
static char *uid(void);
static char *uptime(void);
static char *username(void);
-static char *vol_perc(const char *);
-static char *wifi_perc(const char *);
-static char *wifi_essid(const char *);
-
+static char *vol_perc(const char *card);
+static char *wifi_perc(const char *iface);
+static char *wifi_essid(const char *iface);
+static void set_status(const char *str);
+static void sighandler(const int signo);
+static void usage(void);
+
+char *argv0;
+char concat[];
+static unsigned short int delay;
+static unsigned short int done;
+static unsigned short int dflag, oflag;
static Display *dpy;
#include "config.h"
@@ -79,10 +95,8 @@ smprintf(const char *fmt, ...)
va_end(ap);
ret = malloc(++len);
- if (ret == NULL) {
- perror("malloc");
- exit(1);
- }
+ if (ret == NULL)
+ err(1, "malloc");
va_start(ap, fmt);
vsnprintf(ret, len, fmt, ap);
@@ -92,88 +106,100 @@ smprintf(const char *fmt, ...)
}
static char *
-battery_perc(const char *battery)
+battery_perc(const char *bat)
{
- int now, full, perc;
+ int perc;
FILE *fp;
- ccat(4, BATTERY_PATH, battery, "/", BATTERY_NOW);
-
+ ccat(3, "/sys/class/power_supply/", bat, "/capacity");
fp = fopen(concat, "r");
if (fp == NULL) {
- warn("Error opening battery file: %s", concat);
+ warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR);
}
-
- fscanf(fp, "%i", &now);
+ fscanf(fp, "%i", &perc);
fclose(fp);
- ccat(4, BATTERY_PATH, battery, "/", BATTERY_FULL);
+ return smprintf("%d%%", perc);
+}
+static char *
+battery_state(const char *bat)
+{
+ char state[12];
+ FILE *fp;
+
+ ccat(3, "/sys/class/power_supply/", bat, "/status");
fp = fopen(concat, "r");
if (fp == NULL) {
- warn("Error opening battery file: %s", concat);
+ warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR);
}
-
- fscanf(fp, "%i", &full);
+ fscanf(fp, "%12s", state);
fclose(fp);
- perc = now / (full / 100);
-
- return smprintf("%d%%", perc);
+ if (strcmp(state, "Charging") == 0) {
+ return smprintf("+");
+ } else if (strcmp(state, "Discharging") == 0) {
+ return smprintf("-");
+ } else if (strcmp(state, "Full") == 0) {
+ return smprintf("=");
+ } else {
+ return smprintf("?");
+ }
}
static char *
cpu_perc(void)
-{ /* FIXME: ugly function, would be better without sleep(), see below */
+{
int perc;
long double a[4], b[4];
- FILE *fp = fopen("/proc/stat","r");
+ FILE *fp;
+ fp = fopen("/proc/stat", "r");
if (fp == NULL) {
- warn("Error opening stat file");
+ warn("Failed to open file /proc/stat");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
- sleep(1);
+ delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
+ sleep(delay);
- fp = fopen("/proc/stat","r");
+ fp = fopen("/proc/stat", "r");
if (fp == NULL) {
- warn("Error opening stat file");
+ warn("Failed to open file /proc/stat");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
- perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
+ perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
return smprintf("%d%%", perc);
}
static char *
-datetime(const char *timeformat)
+datetime(const char *fmt)
{
time_t t;
- char timestr[80];
+ char str[80];
t = time(NULL);
- if (strftime(timestr, sizeof(timestr), timeformat, localtime(&t)) == 0)
+ if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
return smprintf(UNKNOWN_STR);
+ }
- return smprintf("%s", timestr);
+ return smprintf("%s", str);
}
static char *
-disk_free(const char *mountpoint)
+disk_free(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR);
}
@@ -181,13 +207,13 @@ disk_free(const char *mountpoint)
}
static char *
-disk_perc(const char *mountpoint)
+disk_perc(const char *mnt)
{
- int perc = 0;
+ int perc;
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR);
}
@@ -197,12 +223,12 @@ disk_perc(const char *mountpoint)
}
static char *
-disk_total(const char *mountpoint)
+disk_total(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR);
}
@@ -210,12 +236,12 @@ disk_total(const char *mountpoint)
}
static char *
-disk_used(const char *mountpoint)
+disk_used(const char *mnt)
{
struct statvfs fs;
- if (statvfs(mountpoint, &fs) < 0) {
- warn("Could not get filesystem info");
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
return smprintf(UNKNOWN_STR);
}
@@ -225,18 +251,18 @@ disk_used(const char *mountpoint)
static char *
entropy(void)
{
- int entropy = 0;
- FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
+ int num;
+ FILE *fp;
+ fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
- warn("Could not open entropy file");
+ warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
return smprintf(UNKNOWN_STR);
}
-
- fscanf(fp, "%d", &entropy);
+ fscanf(fp, "%d", &num);
fclose(fp);
- return smprintf("%d", entropy);
+ return smprintf("%d", num);
}
static char *
@@ -248,45 +274,41 @@ gid(void)
static char *
hostname(void)
{
- char hostname[HOST_NAME_MAX];
- FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
+ char buf[HOST_NAME_MAX];
+ FILE *fp;
+ fp = fopen("/proc/sys/kernel/hostname", "r");
if (fp == NULL) {
- warn("Could not open hostname file");
+ warn("Failed to open file /proc/sys/kernel/hostname");
return smprintf(UNKNOWN_STR);
}
-
- fgets(hostname, sizeof(hostname), fp);
- /* FIXME: needs improvement */
- memset(&hostname[strlen(hostname)-1], '\0',
- sizeof(hostname) - strlen(hostname));
+ fgets(buf, sizeof(buf), fp);
+ buf[strlen(buf)-1] = '\0';
fclose(fp);
- return smprintf("%s", hostname);
+ return smprintf("%s", buf);
}
static char *
-ip(const char *interface)
+ip(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
- warn("Error getting IP address");
+ warn("Failed to get IP address for interface %s", iface);
return smprintf(UNKNOWN_STR);
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == NULL)
+ if (ifa->ifa_addr == NULL) {
continue;
-
- s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST,
- NULL, 0, NI_NUMERICHOST);
-
- if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
+ }
+ s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+ if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
- warnx("Error getting IP address.");
+ warnx("Failed to get IP address for interface %s", iface);
return smprintf(UNKNOWN_STR);
}
return smprintf("%s", host);
@@ -304,7 +326,7 @@ load_avg(void)
double avgs[3];
if (getloadavg(avgs, 3) < 0) {
- warnx("Error getting load avg.");
+ warnx("Failed to get the load avg");
return smprintf(UNKNOWN_STR);
}
@@ -315,13 +337,13 @@ static char *
ram_free(void)
{
long free;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
+ warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp);
@@ -331,37 +353,34 @@ ram_free(void)
static char *
ram_perc(void)
{
- int perc;
long total, free, buffers, cached;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
+ warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
fscanf(fp, "Cached: %ld kB\n", &cached);
-
fclose(fp);
- perc = 100 * ((total - free) - (buffers + cached)) / total;
- return smprintf("%d%%", perc);
+ return smprintf("%d%%", 100 * ((total - free) - (buffers + cached)) / total);
}
static char *
ram_total(void)
{
long total;
- FILE *fp = fopen("/proc/meminfo", "r");
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
+ warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp);
@@ -371,80 +390,70 @@ ram_total(void)
static char *
ram_used(void)
{
- long free, total, buffers, cached, used;
- FILE *fp = fopen("/proc/meminfo", "r");
+ long free, total, buffers, cached;
+ FILE *fp;
+ fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- warn("Error opening meminfo file");
+ warn("Failed to open file /proc/meminfo");
return smprintf(UNKNOWN_STR);
}
-
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
fscanf(fp, "Cached: %ld kB\n", &cached);
-
fclose(fp);
- used = total - free - buffers - cached;
- return smprintf("%f", (float)used / 1024 / 1024);
+ return smprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024);
}
static char *
-run_command(const char* command)
+run_command(const char *cmd)
{
- int good;
- FILE *fp = popen(command, "r");
- char buffer[64] = "";
+ FILE *fp;
+ char buf[64] = "n/a";
+ fp = popen(cmd, "r");
if (fp == NULL) {
- warn("Could not get command output for: %s", command);
+ warn("Failed to get command output for %s", cmd);
return smprintf(UNKNOWN_STR);
}
-
- fgets(buffer, sizeof(buffer)-1, fp);
+ fgets(buf, sizeof(buf), fp);
+ buf[sizeof(buf)-1] = '\0';
pclose(fp);
- for (int i = 0 ; i != sizeof(buffer); i++) {
- if (buffer[i] == '\0') {
- good = 1;
- break;
- }
- }
- if (good)
- buffer[strlen(buffer)-1] = '\0';
- return smprintf("%s", buffer);
+ return smprintf("%s", buf);
}
static char *
temp(const char *file)
{
- int temperature;
- FILE *fp = fopen(file, "r");
+ int temp;
+ FILE *fp;
+ fp = fopen(file, "r");
if (fp == NULL) {
- warn("Could not open temperature file");
+ warn("Failed to open file %s", file);
return smprintf(UNKNOWN_STR);
}
-
- fscanf(fp, "%d", &temperature);
+ fscanf(fp, "%d", &temp);
fclose(fp);
- return smprintf("%d°C", temperature / 1000);
+ return smprintf("%d°C", temp / 1000);
}
static char *
uptime(void)
{
struct sysinfo info;
- int hours = 0;
- int minutes = 0;
+ int h = 0;
+ int m = 0;
sysinfo(&info);
- hours = info.uptime / 3600;
- minutes = (info.uptime - hours * 3600 ) / 60;
+ h = info.uptime / 3600;
+ m = (info.uptime - h * 3600 ) / 60;
- return smprintf("%dh %dm", hours, minutes);
+ return smprintf("%dh %dm", h, m);
}
static char *
@@ -454,7 +463,7 @@ username(void)
struct passwd *pw = getpwuid(uid);
if (pw == NULL) {
- warn("Could not get username");
+ warn("Failed to get username");
return smprintf(UNKNOWN_STR);
}
@@ -468,26 +477,26 @@ uid(void)
}
-static char *
-vol_perc(const char *snd_card)
-{ /* thanks to botika for this function */
+static char *
+vol_perc(const char *card)
+{
long int vol, max, min;
snd_mixer_t *handle;
snd_mixer_elem_t *elem;
snd_mixer_selem_id_t *s_elem;
snd_mixer_open(&handle, 0);
- snd_mixer_attach(handle, "default");
+ snd_mixer_attach(handle, card);
snd_mixer_selem_register(handle, NULL, NULL);
snd_mixer_load(handle);
snd_mixer_selem_id_malloc(&s_elem);
- snd_mixer_selem_id_set_name(s_elem, snd_card);
+ snd_mixer_selem_id_set_name(s_elem, "Master");
elem = snd_mixer_find_selem(handle, s_elem);
if (elem == NULL) {
snd_mixer_selem_id_free(s_elem);
snd_mixer_close(handle);
- perror("alsa error");
+ warn("Failed to get volume percentage for %s", card);
return smprintf(UNKNOWN_STR);
}
@@ -498,56 +507,52 @@ vol_perc(const char *snd_card)
snd_mixer_selem_id_free(s_elem);
snd_mixer_close(handle);
- return smprintf("%d", (vol * 100) / max);
+ return smprintf("%d%%", ((uint_fast16_t)(vol * 100) / max));
}
static char *
-wifi_perc(const char *wificard)
+wifi_perc(const char *iface)
{
- int strength;
+ int perc;
char buf[255];
char *datastart;
char status[5];
FILE *fp;
- ccat(3, "/sys/class/net", wificard, "/operstate");
-
+ ccat(3, "/sys/class/net/", iface, "/operstate");
fp = fopen(concat, "r");
-
- if(fp == NULL) {
- warn("Error opening wifi operstate file");
+ if (fp == NULL) {
+ warn("Failed to open file %s", concat);
return smprintf(UNKNOWN_STR);
}
-
fgets(status, 5, fp);
fclose(fp);
- if(strcmp(status, "up\n") != 0)
+ if(strcmp(status, "up\n") != 0) {
return smprintf(UNKNOWN_STR);
+ }
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
- warn("Error opening wireless file");
+ warn("Failed to open file /proc/net/wireless");
return smprintf(UNKNOWN_STR);
}
-
- ccat(2, wificard, ":");
+ ccat(2, iface, ":");
fgets(buf, sizeof(buf), fp);
fgets(buf, sizeof(buf), fp);
fgets(buf, sizeof(buf), fp);
+ fclose(fp);
datastart = strstr(buf, concat);
if (datastart != NULL) {
datastart = strstr(buf, ":");
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &strength);
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
}
- fclose(fp);
-
- return smprintf("%d%%", strength);
+ return smprintf("%d%%", perc);
}
static char *
-wifi_essid(const char *wificard)
+wifi_essid(const char *iface)
{
char id[IW_ESSID_MAX_SIZE+1];
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
@@ -555,56 +560,124 @@ wifi_essid(const char *wificard)
memset(&wreq, 0, sizeof(struct iwreq));
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
- sprintf(wreq.ifr_name, wificard);
- if(sockfd == -1) {
- warn("Cannot open socket for interface: %s", wificard);
+ sprintf(wreq.ifr_name, iface);
+ if (sockfd == -1) {
+ warn("Failed to get ESSID for interface %s", iface);
return smprintf(UNKNOWN_STR);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- warn("Get ESSID ioctl failed for interface %s", wificard);
+ warn("Failed to get ESSID for interface %s", iface);
return smprintf(UNKNOWN_STR);
}
+ close(sockfd);
+
if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
return smprintf(UNKNOWN_STR);
else
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
+static void
+set_status(const char *str)
+{
+ XStoreName(dpy, DefaultRootWindow(dpy), str);
+ XSync(dpy, False);
+}
+
+static void
+sighandler(const int signo)
+{
+ if (signo == SIGTERM || signo == SIGINT) {
+ done = 1;
+ }
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: %s [-dhov]\n", argv0);
+ exit(1);
+}
+
int
-main(void)
+main(int argc, char *argv[])
{
- size_t i;
+ unsigned short int i;
char status_string[4096];
char *res, *element;
struct arg argument;
+ struct sigaction act;
- dpy = XOpenDisplay(NULL);
+ ARGBEGIN {
+ case 'd':
+ dflag = 1;
+ break;
+ case 'o':
+ oflag = 1;
+ break;
+ case 'v':
+ printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION);
+ return 0;
+ default:
+ usage();
+ } ARGEND
+
+ if (dflag && oflag) {
+ usage();
+ }
+ if (dflag) {
+ (void)daemon(1, 1);
+ }
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sighandler;
+ sigaction(SIGINT, &act, 0);
+ sigaction(SIGTERM, &act, 0);
+
+ if (!oflag) {
+ dpy = XOpenDisplay(NULL);
+ }
+
+ while (!done) {
+ status_string[0] = '\0';
- for (;;) {
- memset(status_string, 0, sizeof(status_string));
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
argument = args[i];
- if (argument.args == NULL)
+ if (argument.args == NULL) {
res = argument.func();
- else
+ } else {
res = argument.func(argument.args);
- element = smprintf(argument.format, res);
+ }
+ element = smprintf(argument.fmt, res);
if (element == NULL) {
element = smprintf(UNKNOWN_STR);
- warnx("Failed to format output.");
+ warnx("Failed to format output");
}
strlcat(status_string, element, sizeof(status_string));
free(res);
free(element);
}
- XStoreName(dpy, DefaultRootWindow(dpy), status_string);
- XSync(dpy, False);
- sleep(UPDATE_INTERVAL - 1); /* FIXME: ugly cpu function which uses 1 second */
+
+ if (!oflag) {
+ set_status(status_string);
+ } else {
+ printf("%s\n", status_string);
+ }
+
+ /*
+ * subtract delay time spend in function
+ * calls from the actual global delay time
+ */
+ sleep(UPDATE_INTERVAL - delay);
+ delay = 0;
}
- XCloseDisplay(dpy);
+ if (!oflag) {
+ set_status(NULL);
+ XCloseDisplay(dpy);
+ }
return 0;
}