-// vim:ts=8:expandtab
+// vim:ts=4:sw=4:expandtab
#include <stdlib.h>
#include <limits.h>
+#include <glob.h>
#include <stdio.h>
#include <string.h>
#include <yajl/yajl_gen.h>
#include <err.h>
#include <sys/types.h>
#include <sys/sysctl.h>
-#define TZ_ZEROC 2732
-#define TZ_KELVTOC(x) (((x) - TZ_ZEROC) / 10), abs(((x) - TZ_ZEROC) % 10)
+#define TZ_ZEROC 2731
+#define TZ_KELVTOC(x) (((x)-TZ_ZEROC) / 10), abs(((x)-TZ_ZEROC) % 10)
+#define TZ_AVG(x) ((x)-TZ_ZEROC) / 10
+#endif
+
+#if defined(__DragonFly__)
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#include <sys/sensors.h>
+#define MUKTOC(v) ((v - 273150000) / 1000000.0)
#endif
#if defined(__OpenBSD__)
#include <sys/sensors.h>
#include <errno.h>
#include <err.h>
+
+#define MUKTOC(v) ((v - 273150000) / 1000000.0)
#endif
-static char *thermal_zone;
+#if defined(__NetBSD__)
+#include <fcntl.h>
+#include <prop/proplib.h>
+#include <sys/envsys.h>
+
+#define MUKTOC(v) ((v - 273150000) / 1000000.0)
+#endif
+
+typedef struct temperature_s {
+ double raw_value;
+ char formatted_value[20];
+} temperature_t;
+
+#define ERROR_CODE 1
+
+static int read_temperature(char *thermal_zone, temperature_t *temperature) {
+#if defined(LINUX)
+ static char buf[16];
+ long int temp;
+
+ if (!slurp(thermal_zone, buf, sizeof(buf)))
+ return ERROR_CODE;
+
+ temp = strtol(buf, NULL, 10);
+ temperature->raw_value = temp / 1000;
+
+ if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
+ strcpy(temperature->formatted_value, "?");
+ else
+ sprintf(temperature->formatted_value, "%ld", (temp / 1000));
+
+#elif defined(__DragonFly__)
+ struct sensor th_sensor;
+ size_t th_sensorlen;
+
+ th_sensorlen = sizeof(th_sensor);
+
+ if (sysctlbyname(thermal_zone, &th_sensor, &th_sensorlen, NULL, 0) == -1) {
+ perror("sysctlbyname");
+ return ERROR_CODE;
+ }
+
+ temperature->raw_value = MUKTOC(th_sensor.value);
+ sprintf(temperature->formatted_value, "%.2f", MUKTOC(th_sensor.value));
+
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ int sysctl_rslt;
+ size_t sysctl_size = sizeof(sysctl_rslt);
+
+ if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
+ return ERROR_CODE;
+
+ temperature->raw_value = TZ_AVG(sysctl_rslt);
+ sprintf(temperature->formatted_value, "%d.%d", TZ_KELVTOC(sysctl_rslt));
+
+#elif defined(__OpenBSD__)
+ struct sensordev sensordev;
+ struct sensor sensor;
+ size_t sdlen, slen;
+ int dev, numt, mib[5] = {CTL_HW, HW_SENSORS, 0, 0, 0};
+
+ sdlen = sizeof(sensordev);
+ slen = sizeof(sensor);
+
+ for (dev = 0;; dev++) {
+ mib[2] = dev;
+ if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
+ if (errno == ENXIO)
+ continue;
+ if (errno == ENOENT)
+ break;
+ return ERROR_CODE;
+ }
+ /* 'path' is the node within the full path (defaults to acpitz0). */
+ if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
+ mib[3] = SENSOR_TEMP;
+ /* Limit to temp0, but should retrieve from a full path... */
+ for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
+ mib[4] = numt;
+ if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
+ if (errno != ENOENT) {
+ warn("sysctl");
+ continue;
+ }
+ }
+ temperature->raw_value = MUKTOC(sensor.value);
+ sprintf(temperature->formatted_value, "%.2f", MUKTOC(sensor.value));
+ }
+ }
+ }
+#elif defined(__NetBSD__)
+ int fd, rval;
+ bool err = false;
+ prop_dictionary_t dict;
+ prop_array_t array;
+ prop_object_iterator_t iter;
+ prop_object_iterator_t iter2;
+ prop_object_t obj, obj2, obj3;
+
+ fd = open("/dev/sysmon", O_RDONLY);
+ if (fd == -1)
+ return ERROR_CODE;
+
+ rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
+ if (rval == -1) {
+ err = true;
+ goto error_netbsd1;
+ }
+
+ /* No drivers registered? */
+ if (prop_dictionary_count(dict) == 0) {
+ err = true;
+ goto error_netbsd2;
+ }
+
+ iter = prop_dictionary_iterator(dict);
+ if (iter == NULL) {
+ err = true;
+ goto error_netbsd2;
+ }
+
+ /* iterate over the dictionary returned by the kernel */
+ while ((obj = prop_object_iterator_next(iter)) != NULL) {
+ /* skip this dict if it's not what we're looking for */
+ if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) != strlen(thermal_zone)) ||
+ (strncmp(thermal_zone,
+ prop_dictionary_keysym_cstring_nocopy(obj),
+ strlen(thermal_zone)) != 0))
+ continue;
+
+ array = prop_dictionary_get_keysym(dict, obj);
+ if (prop_object_type(array) != PROP_TYPE_ARRAY) {
+ err = true;
+ goto error_netbsd3;
+ }
+
+ iter2 = prop_array_iterator(array);
+ if (!iter2) {
+ err = true;
+ goto error_netbsd3;
+ }
+
+ /* iterate over array of dicts specific to target sensor */
+ while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
+ obj3 = prop_dictionary_get(obj2, "cur-value");
+
+ float temp = MUKTOC(prop_number_integer_value(obj3));
+ temperature->raw_value = temp;
+ sprintf(temperature->formatted_value, "%.2f", temp);
+
+ break;
+ }
+ prop_object_iterator_release(iter2);
+ }
+error_netbsd3:
+ prop_object_iterator_release(iter);
+error_netbsd2:
+ prop_object_release(dict);
+error_netbsd1:
+ close(fd);
+ if (err)
+ return ERROR_CODE;
+
+#endif
+ return 0;
+}
/*
- * Reads the CPU temperature from /sys/class/thermal/thermal_zone0/temp and
- * returns the temperature in degree celcius.
+ * Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
+ * the user provided path) and returns the temperature in degree celsius.
*
*/
-void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format) {
+void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, const char *format_above_threshold, int max_threshold) {
+ char *outwalk = buffer;
#ifdef THERMAL_ZONE
- const char *walk;
- char *outwalk = buffer;
- static char buf[16];
+ const char *selected_format = format;
+ const char *walk;
+ bool colorful_output = false;
+ char *thermal_zone;
+ temperature_t temperature;
+ temperature.raw_value = 0;
+ sprintf(temperature.formatted_value, "%.2f", 0.0);
- if (path == NULL)
- asprintf(&thermal_zone, THERMAL_ZONE, zone);
- else
- asprintf(&thermal_zone, path, zone);
- path = thermal_zone;
+ if (path == NULL)
+ asprintf(&thermal_zone, THERMAL_ZONE, zone);
+ else {
+ static glob_t globbuf;
+ if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) != 0)
+ die("glob() failed\n");
+ if (globbuf.gl_pathc == 0) {
+ /* No glob matches, the specified path does not contain a wildcard. */
+ asprintf(&thermal_zone, path, zone);
+ } else {
+ /* glob matched, we take the first match and ignore the others */
+ asprintf(&thermal_zone, "%s", globbuf.gl_pathv[0]);
+ }
+ globfree(&globbuf);
+ }
- INSTANCE(path);
+ INSTANCE(thermal_zone);
- for (walk = format; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
+ if (read_temperature(thermal_zone, &temperature) != 0)
+ goto error;
- if (BEGINS_WITH(walk+1, "degrees")) {
-#if defined(LINUX)
- long int temp;
- if (!slurp(path, buf, sizeof(buf)))
- goto error;
- temp = strtol(buf, NULL, 10);
- if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
- *(outwalk++) = '?';
- else
- outwalk += sprintf(outwalk, "%ld", (temp/1000));
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- int sysctl_rslt;
- size_t sysctl_size = sizeof(sysctl_rslt);
- if (sysctlbyname(path, &sysctl_rslt, &sysctl_size, NULL, 0))
- goto error;
+ if (temperature.raw_value >= max_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ if (format_above_threshold != NULL)
+ selected_format = format_above_threshold;
+ }
- outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt));
-#elif defined(__OpenBSD__)
- struct sensordev sensordev;
- struct sensor sensor;
- size_t sdlen, slen;
- int dev, numt, mib[5] = { CTL_HW, HW_SENSORS, 0, 0, 0 };
-
- sdlen = sizeof(sensordev);
- slen = sizeof(sensor);
-
- for (dev = 0; ; dev++) {
- mib[2] = dev;
- if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
- if (errno == ENXIO)
- continue;
- if (errno == ENOENT)
- break;
- goto error;
- }
- /*
- * 'path' is actually the node within the full path (eg, cpu0).
- * XXX: Extend the API to allow a string instead of just an int for path, this would
- * allow us to have a path of 'acpitz0' for example.
- */
- if (strncmp(sensordev.xname, path, strlen(path)) == 0) {
- mib[3] = SENSOR_TEMP;
- for (numt = 0; numt < sensordev.maxnumt[SENSOR_TEMP]; numt++) {
- mib[4] = numt;
- if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
- if (errno != ENOENT)
- warn("sysctl");
- continue;
- }
- outwalk += sprintf(outwalk, "%.2f", (sensor.value - 273150000) / 1000000.0 );
- }
- }
- }
-#endif
- walk += strlen("degrees");
- }
+ for (walk = selected_format; *walk != '\0'; walk++) {
+ if (*walk != '%') {
+ *(outwalk++) = *walk;
+ continue;
}
- OUTPUT_FULL_TEXT(buffer);
- return;
+ if (BEGINS_WITH(walk + 1, "degrees")) {
+ outwalk += sprintf(outwalk, "%s", temperature.formatted_value);
+ walk += strlen("degrees");
+ }
+ }
+
+ if (colorful_output) {
+ END_COLOR;
+ colorful_output = false;
+ }
+
+ free(thermal_zone);
+
+ OUTPUT_FULL_TEXT(buffer);
+ return;
error:
+ free(thermal_zone);
#endif
- OUTPUT_FULL_TEXT("cant read temp");
- (void)fputs("i3status: Cannot read temperature. Verify that you have a thermal zone in /sys/class/thermal or disable the cpu_temperature module in your i3status config.\n", stderr);
+
+ OUTPUT_FULL_TEXT("can't read temp");
+ (void)fputs("i3status: Cannot read temperature. Verify that you have a thermal zone in /sys/class/thermal or disable the cpu_temperature module in your i3status config.\n", stderr);
}