#include <stdarg.h>
#include <unistd.h>
#include <stdlib.h>
+#include <limits.h>
#include <ctype.h>
#include <net/if.h>
#include <sys/ioctl.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
-
-#define _IS_WMIISTATUS_C
#include "wmiistatus.h"
-#undef _IS_WMIISTATUS_C
-#include "config.h"
+
+#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
+
+struct battery {
+ const char *path;
+ SIMPLEQ_ENTRY(battery) batteries;
+};
+
+SIMPLEQ_HEAD(battery_head, battery) batteries;
/* 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 const char *battery_path;
+static bool use_colors;
+static bool get_ethspeed;
+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;
+
/*
* 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.
return concatbuf;
}
+/*
+ * Returns the correct color format for dzen (^fg(color)) or wmii (color <normcolors>)
+ *
+ */
+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;
+}
+
/*
* Cleans wmii's /rbar directory by deleting all regular files
*
*/
static void cleanup_rbar_dir() {
+#ifdef DZEN
+ return;
+#endif
struct dirent *ent;
DIR *dir;
char pathbuf[strlen(wmii_path)+256+1];
*
*/
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;
if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
exit(EXIT_FAILURE);
if (use_colors) {
- char *tmp = concat("#888888 ", wmii_normcolors);
+ char *tmp = color("#888888");
if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
exit(EXIT_FAILURE);
}
*/
static void setup(void) {
unsigned int i;
- struct stat statbuf;
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)
snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
create_file(pathbuf);
}
-
}
/*
* Writes the given message in the corresponding file in wmii's /rbar directory
*
*/
-static void write_to_statusbar(const char *name, const char *message) {
+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;
static void write_error_to_statusbar(const char *message) {
cleanup_rbar_dir();
create_file("error");
- write_to_statusbar("error", message);
+ write_to_statusbar("error", message, true);
}
/*
*
*/
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) {
+ 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);
+ }
exit(EXIT_FAILURE);
}
* worn off your battery is.
*
*/
-static char *get_battery_info() {
+static char *get_battery_info(const char *path) {
char buf[1024];
static char part[512];
char *walk, *last;
present_rate = -1;
charging_status_t status = CS_DISCHARGING;
- if ((fd = open(battery_path, O_RDONLY)) == -1)
+ if ((fd = open(path, O_RDONLY)) == -1)
return "No battery found";
memset(part, 0, sizeof(part));
last = walk+1;
(void)close(fd);
- if ((full_design != -1) && (remaining != -1) && (present_rate != -1)) {
- float remaining_time, perc;
+ 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 {
- (void)snprintf(part, sizeof(part), "FULL");
- return part;
- }
- perc = ((float)remaining / (float)full_design);
+ else remaining_time = 0;
seconds = (int)(remaining_time * 3600.0);
hours = seconds / 3600;
seconds -= (minutes * 60);
(void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d",
- (status == CS_CHARGING? "CHR" : "BAT"),
- (perc * 100), hours, minutes, seconds);
+ (status == CS_CHARGING ? "CHR" :
+ (status == CS_DISCHARGING ? "BAT" : "FULL")),
+ (((float)remaining / (float)full_design) * 100),
+ hours, minutes, seconds);
+ } 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;
}
/*
- * Just parses /proc/net/wireless
+ * 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));
+
+ (void)strcpy(ifr.ifr_name, interface);
+ ifr.ifr_addr.sa_family = AF_INET;
+ if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
+ return NULL;
+
+ 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;
+}
+
+/*
+ * 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() {
memset(part, 0, sizeof(part));
if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1)
- die("Could not open /proc/net/wireless");
+ die("Could not open /proc/net/wireless\n");
(void)read(fd, buf, sizeof(buf));
(void)close(fd);
int quality;
if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
continue;
- /* for some reason, I get 255 sometimes */
- if ((quality == 255) || (quality == 0)) {
+ if ((quality == UCHAR_MAX) || (quality == 0)) {
if (use_colors)
- (void)snprintf(part, sizeof(part), "%s%s",
- concat("#FF0000 ", wmii_normcolors), " W: down");
+ (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
else (void)snprintf(part, sizeof(part), "W: down");
- } else (void)snprintf(part, sizeof(part), "W: (%03d%%) %s",
- quality, get_ip_address(wlan_interface));
+ } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
+ color("#00FF00"), quality, get_ip_address(wlan_interface));
return part;
}
return part;
}
-/*
- * 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));
-
- (void)strcpy(ifr.ifr_name, interface);
- ifr.ifr_addr.sa_family = AF_INET;
- if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0)
- return NULL;
-
- 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;
-}
-
/*
* Combines ethernet IP addresses and speed (if requested) for displaying
*
int ethspeed = 0;
if (get_ethspeed) {
+#ifdef LINUX
/* This code path requires root privileges */
struct ifreq ifr;
struct ethtool_cmd ecmd;
- int err;
ecmd.cmd = ETHTOOL_GSET;
(void)memset(&ifr, 0, sizeof(ifr));
ifr.ifr_data = (caddr_t)&ecmd;
(void)strcpy(ifr.ifr_name, eth_interface);
- if ((err = ioctl(general_socket, SIOCETHTOOL, &ifr)) == 0)
- ethspeed = (ecmd.speed == 65535 ? 0 : ecmd.speed);
+ if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
+ ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
else get_ethspeed = false;
+#endif
}
if (ip_address == NULL)
}
/*
- * Checks if the PID in path is still valid by checking if /proc/<pid> exists
+ * 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[512],
- procbuf[512],
- *walk;
- ssize_t n;
+ char pidbuf[16];
static glob_t globbuf;
- struct stat statbuf;
- const char *real_path;
int fd;
+ memset(pidbuf, 0, sizeof(pidbuf));
if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
- die("glob() failed");
- real_path = (globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
- fd = open(real_path, O_RDONLY);
+ die("glob() failed\n");
+ fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
globfree(&globbuf);
if (fd < 0)
return false;
- if ((n = read(fd, pidbuf, sizeof(pidbuf))) > 0)
- pidbuf[n] = '\0';
+ (void)read(fd, pidbuf, sizeof(pidbuf));
(void)close(fd);
- for (walk = pidbuf; *walk != '\0'; walk++)
- if (!isdigit((int)(*walk))) {
- *walk = '\0';
- break;
- }
- (void)snprintf(procbuf, sizeof(procbuf), "/proc/%s", pidbuf);
+
+#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
+}
+
+/*
+ * 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_path") {
+ struct battery *new = calloc(1, sizeof(struct battery));
+ if (new == NULL)
+ die("Could not allocate memory\n");
+ new->path = strdup(dest_value);
+ 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],
- *end;
+ pathbuf[512];
unsigned int i;
- int load_avg;
char *configfile = PREFIX "/etc/wmiistatus.conf";
int o, option_index = 0;
struct option long_options[] = {
{"config", required_argument, 0, 'c'},
+ {"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
- while ((o = getopt_long(argc, argv, "c:", long_options, &option_index)) != -1)
+ 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("wmiistatus (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");
+ 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 ?
- concat("#00FF00 ", wmii_normcolors) :
- concat("#FF0000 ", wmii_normcolors)),
+ 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);
+ write_to_statusbar(pathbuf, part, false);
}
if (wlan_interface)
- write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info());
+ 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());
- if (battery_path)
- write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info());
+ 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->path), false);
+ }
/* Get load */
+#ifdef LINUX
+ int load_avg;
if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1)
- die("Could not open /proc/loadavg");
+ die("Could not open /proc/loadavg\n");
(void)read(load_avg, part, sizeof(part));
(void)close(load_avg);
- end = skip_character(part, ' ', 3);
- *end = '\0';
- write_to_statusbar(concat(order[ORDER_LOAD], "load"), part);
+ *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);
+ write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true);
}
sleep(interval);
projects / i3 / i3status / blobdiff