1 // vim:ts=4:sw=4:expandtab
7 #include <yajl/yajl_gen.h>
8 #include <yajl/yajl_version.h>
12 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
14 #include <sys/types.h>
15 #include <sys/sysctl.h>
17 #define TZ_KELVTOC(x) (((x)-TZ_ZEROC) / 10), abs(((x)-TZ_ZEROC) % 10)
18 #define TZ_AVG(x) ((x)-TZ_ZEROC) / 10
21 #if defined(__DragonFly__)
22 #include <sys/sysctl.h>
23 #include <sys/types.h>
24 #include <sys/sensors.h>
25 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
28 #if defined(__OpenBSD__)
29 #include <sys/param.h>
30 #include <sys/types.h>
31 #include <sys/sysctl.h>
32 #include <sys/sensors.h>
36 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
39 #if defined(__NetBSD__)
41 #include <prop/proplib.h>
42 #include <sys/envsys.h>
44 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
48 * Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
49 * the user provided path) and returns the temperature in degree celcius.
52 void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, int max_threshold) {
53 char *outwalk = buffer;
56 bool colorful_output = false;
60 asprintf(&thermal_zone, THERMAL_ZONE, zone);
62 static glob_t globbuf;
63 if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
64 die("glob() failed\n");
65 if (globbuf.gl_pathc == 0) {
66 /* No glob matches, the specified path does not contain a wildcard. */
67 asprintf(&thermal_zone, path, zone);
69 /* glob matched, we take the first match and ignore the others */
70 asprintf(&thermal_zone, "%s", globbuf.gl_pathv[0]);
75 INSTANCE(thermal_zone);
77 for (walk = format; *walk != '\0'; walk++) {
83 if (BEGINS_WITH(walk + 1, "degrees")) {
87 if (!slurp(thermal_zone, buf, sizeof(buf)))
89 temp = strtol(buf, NULL, 10);
90 if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
93 if ((temp / 1000) >= max_threshold) {
94 START_COLOR("color_bad");
95 colorful_output = true;
97 outwalk += sprintf(outwalk, "%ld", (temp / 1000));
98 if (colorful_output) {
100 colorful_output = false;
103 #elif defined(__DragonFly__)
104 struct sensor th_sensor;
107 th_sensorlen = sizeof(th_sensor);
109 if (sysctlbyname(thermal_zone, &th_sensor, &th_sensorlen, NULL, 0) == -1) {
110 perror("sysctlbyname");
113 if (MUKTOC(th_sensor.value) >= max_threshold) {
114 START_COLOR("color_bad");
115 colorful_output = true;
117 outwalk += sprintf(outwalk, "%.2f", MUKTOC(th_sensor.value));
118 if (colorful_output) {
120 colorful_output = false;
123 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
125 size_t sysctl_size = sizeof(sysctl_rslt);
126 if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
129 if (TZ_AVG(sysctl_rslt) >= max_threshold) {
130 START_COLOR("color_bad");
131 colorful_output = true;
133 outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt));
134 if (colorful_output) {
136 colorful_output = false;
139 #elif defined(__OpenBSD__)
140 struct sensordev sensordev;
141 struct sensor sensor;
143 int dev, numt, mib[5] = {CTL_HW, HW_SENSORS, 0, 0, 0};
145 sdlen = sizeof(sensordev);
146 slen = sizeof(sensor);
148 for (dev = 0;; dev++) {
150 if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
157 /* 'path' is the node within the full path (defaults to acpitz0). */
158 if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
159 mib[3] = SENSOR_TEMP;
160 /* Limit to temo0, but should retrieve from a full path... */
161 for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
163 if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
164 if (errno != ENOENT) {
169 if ((int)MUKTOC(sensor.value) >= max_threshold) {
170 START_COLOR("color_bad");
171 colorful_output = true;
174 outwalk += sprintf(outwalk, "%.2f", MUKTOC(sensor.value));
176 if (colorful_output) {
178 colorful_output = false;
183 #elif defined(__NetBSD__)
186 prop_dictionary_t dict;
188 prop_object_iterator_t iter;
189 prop_object_iterator_t iter2;
190 prop_object_t obj, obj2, obj3;
192 fd = open("/dev/sysmon", O_RDONLY);
196 rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
202 /* No drivers registered? */
203 if (prop_dictionary_count(dict) == 0) {
208 iter = prop_dictionary_iterator(dict);
214 /* iterate over the dictionary returned by the kernel */
215 while ((obj = prop_object_iterator_next(iter)) != NULL) {
216 /* skip this dict if it's not what we're looking for */
217 if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) != strlen(thermal_zone)) ||
218 (strncmp(thermal_zone,
219 prop_dictionary_keysym_cstring_nocopy(obj),
220 strlen(thermal_zone)) != 0))
223 array = prop_dictionary_get_keysym(dict, obj);
224 if (prop_object_type(array) != PROP_TYPE_ARRAY) {
229 iter2 = prop_array_iterator(array);
235 /* iterate over array of dicts specific to target sensor */
236 while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
237 obj3 = prop_dictionary_get(obj2, "cur-value");
239 float temp = MUKTOC(prop_number_integer_value(obj3));
240 if ((int)temp >= max_threshold) {
241 START_COLOR("color_bad");
242 colorful_output = true;
245 outwalk += sprintf(outwalk, "%.2f", temp);
247 if (colorful_output) {
249 colorful_output = false;
254 prop_object_iterator_release(iter2);
257 prop_object_iterator_release(iter);
259 prop_object_release(dict);
267 walk += strlen("degrees");
273 OUTPUT_FULL_TEXT(buffer);
279 OUTPUT_FULL_TEXT("can't read temp");
280 (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);