/* global libraries */
#include <alsa/asoundlib.h>
+#include <arpa/inet.h>
#include <fcntl.h>
+#include <ifaddrs.h>
+#include <limits.h>
#include <locale.h>
+#include <netdb.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
+#include <sys/socket.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
return ret;
}
+/* disk free */
+char *
+disk_free(const char *mountpoint)
+{
+ struct statvfs fs;
+
+ /* try to open mountpoint */
+ if (statvfs(mountpoint, &fs) < 0) {
+ fprintf(stderr, "Could not get filesystem info.\n");
+ return smprintf("n/a");
+ }
+
+ /* return free */
+ return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
+}
+
/* disk usage percentage */
char *
disk_perc(const char *mountpoint)
}
/* calculate percent */
- perc = 100 * (1.0f - ((float)fs.f_bavail / (float)fs.f_blocks));
+ perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
/* return perc */
return smprintf("%d%%", perc);
}
+/* disk total */
+char *
+disk_total(const char *mountpoint)
+{
+ struct statvfs fs;
+
+ /* try to open mountpoint */
+ if (statvfs(mountpoint, &fs) < 0) {
+ fprintf(stderr, "Could not get filesystem info.\n");
+ return smprintf("n/a");
+ }
+
+ /* return total */
+ return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
+}
+
+/* disk used */
+char *
+disk_used(const char *mountpoint)
+{
+ struct statvfs fs;
+
+ /* try to open mountpoint */
+ if (statvfs(mountpoint, &fs) < 0) {
+ fprintf(stderr, "Could not get filesystem info.\n");
+ return smprintf("n/a");
+ }
+
+ /* return used */
+ return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
+}
+
+/* entropy available */
+char *
+entropy(const char *null)
+{
+ int entropy = 0;
+ FILE *fp;
+
+ /* open entropy file */
+ if (!(fp = fopen("/proc/sys/kernel/random/entropy_avail", "r"))) {
+ fprintf(stderr, "Could not open entropy file.\n");
+ return smprintf("n/a");
+ }
+
+ /* extract entropy */
+ fscanf(fp, "%d", &entropy);
+
+ /* close entropy file */
+ fclose(fp);
+
+ /* return entropy */
+ return smprintf("%d", entropy);
+}
+
+/* gid */
+char *
+gid(const char *null)
+{
+ gid_t gid;
+
+ if ((gid = getgid()) < 0) {
+ fprintf(stderr, "Could no get gid.");
+ return smprintf("n/a");
+ } else {
+ return smprintf("%d", gid);
+ }
+
+ return smprintf("n/a");
+}
+
+/* hostname */
+char *
+hostname(const char *null)
+{
+ char hostname[HOST_NAME_MAX];
+ FILE *fp;
+
+ /* open hostname file */
+ if (!(fp = fopen("/proc/sys/kernel/hostname", "r"))) {
+ fprintf(stderr, "Could not open hostname file.\n");
+ return smprintf("n/a");
+ }
+
+ /* extract hostname */
+ fscanf(fp, "%s\n", hostname);
+
+ /* close hostname file */
+ fclose(fp);
+
+ /* return entropy */
+ return smprintf("%s", hostname);
+}
+
+/* ip address */
+char *
+ip(const char *interface)
+{
+ struct ifaddrs *ifaddr, *ifa;
+ int s;
+ char host[NI_MAXHOST];
+
+ /* check if getting ip address works */
+ if (getifaddrs(&ifaddr) == -1)
+ {
+ fprintf(stderr, "Error getting IP address.");
+ return smprintf("n/a");
+ }
+
+ /* get the ip address */
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
+ {
+ 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))
+ {
+ if (s != 0)
+ {
+ fprintf(stderr, "Error getting IP address.");
+ return smprintf("n/a");
+ }
+ return smprintf("%s", host);
+ }
+ }
+
+ /* free the address */
+ freeifaddrs(ifaddr);
+
+ /* return n/a if nothing works */
+ return smprintf("n/a");
+}
+
+/* ram free */
+char *
+ram_free(const char *null)
+{
+ long free;
+ FILE *fp;
+
+ /* open meminfo file */
+ if (!(fp = fopen("/proc/meminfo", "r"))) {
+ fprintf(stderr, "Error opening meminfo file.");
+ return smprintf("n/a");
+ }
+
+ /* read the values */
+ fscanf(fp, "MemTotal: %*d kB\n");
+ fscanf(fp, "MemFree: %ld kB\n", &free);
+
+ /* close meminfo file */
+ fclose(fp);
+
+ /* return free ram as string */
+ return smprintf("%f", (float)free / 1024 / 1024);
+}
+
/* ram percentage */
char *
ram_perc(const char *null)
return smprintf("%d%%", perc);
}
+/* ram total */
+char *
+ram_total(const char *null)
+{
+ long total;
+ FILE *fp;
+
+ /* open meminfo file */
+ if (!(fp = fopen("/proc/meminfo", "r"))) {
+ fprintf(stderr, "Error opening meminfo file.");
+ return smprintf("n/a");
+ }
+
+ /* read the values */
+ fscanf(fp, "MemTotal: %ld kB\n", &total);
+
+ /* close meminfo file */
+ fclose(fp);
+
+ /* return total ram as string */
+ return smprintf("%f", (float)total / 1024 / 1024);
+}
+
+/* ram used */
+char *
+ram_used(const char *null)
+{
+ long free, total, buffers, cached, used;
+ FILE *fp;
+
+ /* open meminfo file */
+ if (!(fp = fopen("/proc/meminfo", "r"))) {
+ fprintf(stderr, "Error opening meminfo file.");
+ return smprintf("n/a");
+ }
+
+ /* read the values */
+ 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);
+
+ /* close meminfo file */
+ fclose(fp);
+
+ /* calculate used */
+ used = total - free - buffers - cached;
+
+ /* return used ram as string */
+ return smprintf("%f", (float)used / 1024 / 1024);
+}
+
+/* custom shell command */
+char *
+run_command(const char* command)
+{
+ FILE *fp;
+ char buffer[64];
+
+ /* try to open the command output */
+ if (!(fp = popen(command, "r"))) {
+ fprintf(stderr, "Could not get command output for: %s.\n", command);
+ return smprintf("n/a");
+ }
+
+ /* get command output text, save it to buffer */
+ fgets(buffer, sizeof(buffer)-1, fp);
+
+ /* close it again */
+ pclose(fp);
+
+ /* add nullchar at the end */
+ buffer[strlen(buffer) - 1] = '\0';
+
+ /* return the output */
+ return smprintf("%s", buffer);
+}
+
/* temperature */
char *
temp(const char *file)
return smprintf("%d°C", temperature / 1000);
}
+/* username */
+char *
+username(const char *null)
+{
+ register struct passwd *pw;
+ register uid_t uid;
+
+ /* get the values */
+ uid = geteuid ();
+ pw = getpwuid (uid);
+
+ /* if it worked, return */
+ if (pw) {
+ return smprintf("%s", pw->pw_name);
+ }
+ else {
+ fprintf(stderr, "Could not get username.\n");
+ return smprintf("n/a");
+ }
+
+ return smprintf("n/a");
+}
+
+/* uid */
+char *
+uid(const char *null)
+{
+ register uid_t uid;
+
+ /* get the values */
+ uid = geteuid ();
+
+ /* if it worked, return */
+ if (uid) {
+ return smprintf("%d", uid);
+ }
+ else {
+ fprintf(stderr, "Could not get uid.\n");
+ return smprintf("n/a");
+ }
+
+ return smprintf("n/a");
+}
+
/* alsa volume percentage */
char *