1 // vim:ts=4:sw=4:expandtab
8 #include <yajl/yajl_gen.h>
9 #include <yajl/yajl_version.h>
13 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
15 #include <sys/types.h>
16 #include <sys/sysctl.h>
18 #define TZ_KELVTOC(x) (((x)-TZ_ZEROC) / 10), abs(((x)-TZ_ZEROC) % 10)
19 #define TZ_AVG(x) ((x)-TZ_ZEROC) / 10
22 #if defined(__DragonFly__)
23 #include <sys/sysctl.h>
24 #include <sys/types.h>
25 #include <sys/sensors.h>
26 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
29 #if defined(__OpenBSD__)
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/sysctl.h>
33 #include <sys/sensors.h>
37 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
40 #if defined(__NetBSD__)
42 #include <prop/proplib.h>
43 #include <sys/envsys.h>
45 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
48 typedef struct temperature_s {
50 char formatted_value[20];
55 static int read_temperature(char *thermal_zone, temperature_t *temperature) {
56 #if defined(__linux__)
60 if (!slurp(thermal_zone, buf, sizeof(buf)))
63 temp = strtol(buf, NULL, 10);
64 temperature->raw_value = temp / 1000;
66 if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
67 strcpy(temperature->formatted_value, "?");
69 sprintf(temperature->formatted_value, "%ld", (temp / 1000));
71 #elif defined(__DragonFly__)
72 struct sensor th_sensor;
75 th_sensorlen = sizeof(th_sensor);
77 if (sysctlbyname(thermal_zone, &th_sensor, &th_sensorlen, NULL, 0) == -1) {
78 perror("sysctlbyname");
82 temperature->raw_value = MUKTOC(th_sensor.value);
83 sprintf(temperature->formatted_value, "%.2f", MUKTOC(th_sensor.value));
85 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
87 size_t sysctl_size = sizeof(sysctl_rslt);
89 if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
92 temperature->raw_value = TZ_AVG(sysctl_rslt);
93 sprintf(temperature->formatted_value, "%d.%d", TZ_KELVTOC(sysctl_rslt));
95 #elif defined(__OpenBSD__)
96 struct sensordev sensordev;
99 int dev, numt, mib[5] = {CTL_HW, HW_SENSORS, 0, 0, 0};
101 sdlen = sizeof(sensordev);
102 slen = sizeof(sensor);
104 for (dev = 0;; dev++) {
106 if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
113 /* 'path' is the node within the full path (defaults to acpitz0). */
114 if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
115 mib[3] = SENSOR_TEMP;
116 /* Limit to temp0, but should retrieve from a full path... */
117 for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
119 if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
120 if (errno != ENOENT) {
125 temperature->raw_value = MUKTOC(sensor.value);
126 sprintf(temperature->formatted_value, "%.2f", MUKTOC(sensor.value));
130 #elif defined(__NetBSD__)
133 prop_dictionary_t dict;
135 prop_object_iterator_t iter;
136 prop_object_iterator_t iter2;
137 prop_object_t obj, obj2, obj3;
139 fd = open("/dev/sysmon", O_RDONLY);
143 rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
149 /* No drivers registered? */
150 if (prop_dictionary_count(dict) == 0) {
155 iter = prop_dictionary_iterator(dict);
161 /* iterate over the dictionary returned by the kernel */
162 while ((obj = prop_object_iterator_next(iter)) != NULL) {
163 /* skip this dict if it's not what we're looking for */
164 if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) != strlen(thermal_zone)) ||
165 (strncmp(thermal_zone,
166 prop_dictionary_keysym_cstring_nocopy(obj),
167 strlen(thermal_zone)) != 0))
170 array = prop_dictionary_get_keysym(dict, obj);
171 if (prop_object_type(array) != PROP_TYPE_ARRAY) {
176 iter2 = prop_array_iterator(array);
182 /* iterate over array of dicts specific to target sensor */
183 while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
184 obj3 = prop_dictionary_get(obj2, "cur-value");
186 float temp = MUKTOC(prop_number_integer_value(obj3));
187 temperature->raw_value = temp;
188 sprintf(temperature->formatted_value, "%.2f", temp);
192 prop_object_iterator_release(iter2);
195 prop_object_iterator_release(iter);
197 prop_object_release(dict);
208 * Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
209 * the user provided path) and returns the temperature in degree celsius.
212 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) {
213 char *outwalk = buffer;
215 const char *selected_format = format;
217 bool colorful_output = false;
219 temperature_t temperature;
220 temperature.raw_value = 0;
221 sprintf(temperature.formatted_value, "%.2f", 0.0);
224 asprintf(&thermal_zone, THERMAL_ZONE, zone);
226 static glob_t globbuf;
227 if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) != 0)
228 die("glob() failed\n");
229 if (globbuf.gl_pathc == 0) {
230 /* No glob matches, the specified path does not contain a wildcard. */
231 asprintf(&thermal_zone, path, zone);
233 /* glob matched, we take the first match and ignore the others */
234 asprintf(&thermal_zone, "%s", globbuf.gl_pathv[0]);
239 INSTANCE(thermal_zone);
241 if (read_temperature(thermal_zone, &temperature) != 0)
244 if (temperature.raw_value >= max_threshold) {
245 START_COLOR("color_bad");
246 colorful_output = true;
247 if (format_above_threshold != NULL)
248 selected_format = format_above_threshold;
251 for (walk = selected_format; *walk != '\0'; walk++) {
253 *(outwalk++) = *walk;
255 } else if (BEGINS_WITH(walk + 1, "degrees")) {
256 outwalk += sprintf(outwalk, "%s", temperature.formatted_value);
257 walk += strlen("degrees");
264 if (colorful_output) {
266 colorful_output = false;
271 OUTPUT_FULL_TEXT(buffer);
277 OUTPUT_FULL_TEXT("can't read temp");
278 (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);