1 // vim:ts=4:sw=4:expandtab
6 #include <yajl/yajl_gen.h>
7 #include <yajl/yajl_version.h>
11 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
13 #include <sys/types.h>
14 #include <sys/sysctl.h>
16 #define TZ_KELVTOC(x) (((x)-TZ_ZEROC) / 10), abs(((x)-TZ_ZEROC) % 10)
17 #define TZ_AVG(x) ((x)-TZ_ZEROC) / 10
20 #if defined(__DragonFly__)
21 #include <sys/sysctl.h>
22 #include <sys/types.h>
23 #include <sys/sensors.h>
24 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
27 #if defined(__OpenBSD__)
28 #include <sys/param.h>
29 #include <sys/types.h>
30 #include <sys/sysctl.h>
31 #include <sys/sensors.h>
35 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
38 #if defined(__NetBSD__)
40 #include <prop/proplib.h>
41 #include <sys/envsys.h>
43 #define MUKTOC(v) ((v - 273150000) / 1000000.0)
47 * Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
48 * the user provided path) and returns the temperature in degree celcius.
51 void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, int max_threshold) {
52 char *outwalk = buffer;
55 bool colorful_output = false;
59 asprintf(&thermal_zone, THERMAL_ZONE, zone);
61 asprintf(&thermal_zone, path, zone);
63 INSTANCE(thermal_zone);
65 for (walk = format; *walk != '\0'; walk++) {
71 if (BEGINS_WITH(walk + 1, "degrees")) {
75 if (!slurp(thermal_zone, buf, sizeof(buf)))
77 temp = strtol(buf, NULL, 10);
78 if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
81 if ((temp / 1000) >= max_threshold) {
82 START_COLOR("color_bad");
83 colorful_output = true;
85 outwalk += sprintf(outwalk, "%ld", (temp / 1000));
86 if (colorful_output) {
88 colorful_output = false;
91 #elif defined(__DragonFly__)
92 struct sensor th_sensor;
95 th_sensorlen = sizeof(th_sensor);
97 if (sysctlbyname(thermal_zone, &th_sensor, &th_sensorlen, NULL, 0) == -1) {
98 perror("sysctlbyname");
101 if (MUKTOC(th_sensor.value) >= max_threshold) {
102 START_COLOR("color_bad");
103 colorful_output = true;
105 outwalk += sprintf(outwalk, "%.2f", MUKTOC(th_sensor.value));
106 if (colorful_output) {
108 colorful_output = false;
111 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
113 size_t sysctl_size = sizeof(sysctl_rslt);
114 if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
117 if (TZ_AVG(sysctl_rslt) >= max_threshold) {
118 START_COLOR("color_bad");
119 colorful_output = true;
121 outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt));
122 if (colorful_output) {
124 colorful_output = false;
127 #elif defined(__OpenBSD__)
128 struct sensordev sensordev;
129 struct sensor sensor;
131 int dev, numt, mib[5] = {CTL_HW, HW_SENSORS, 0, 0, 0};
133 sdlen = sizeof(sensordev);
134 slen = sizeof(sensor);
136 for (dev = 0;; dev++) {
138 if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
145 /* 'path' is the node within the full path (defaults to acpitz0). */
146 if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
147 mib[3] = SENSOR_TEMP;
148 /* Limit to temo0, but should retrieve from a full path... */
149 for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
151 if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
152 if (errno != ENOENT) {
157 if ((int)MUKTOC(sensor.value) >= max_threshold) {
158 START_COLOR("color_bad");
159 colorful_output = true;
162 outwalk += sprintf(outwalk, "%.2f", MUKTOC(sensor.value));
164 if (colorful_output) {
166 colorful_output = false;
171 #elif defined(__NetBSD__)
174 prop_dictionary_t dict;
176 prop_object_iterator_t iter;
177 prop_object_iterator_t iter2;
178 prop_object_t obj, obj2, obj3;
180 fd = open("/dev/sysmon", O_RDONLY);
184 rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
190 /* No drivers registered? */
191 if (prop_dictionary_count(dict) == 0) {
196 iter = prop_dictionary_iterator(dict);
202 /* iterate over the dictionary returned by the kernel */
203 while ((obj = prop_object_iterator_next(iter)) != NULL) {
204 /* skip this dict if it's not what we're looking for */
205 if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) != strlen(thermal_zone)) ||
206 (strncmp(thermal_zone,
207 prop_dictionary_keysym_cstring_nocopy(obj),
208 strlen(thermal_zone)) != 0))
211 array = prop_dictionary_get_keysym(dict, obj);
212 if (prop_object_type(array) != PROP_TYPE_ARRAY) {
217 iter2 = prop_array_iterator(array);
223 /* iterate over array of dicts specific to target sensor */
224 while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
225 obj3 = prop_dictionary_get(obj2, "cur-value");
227 float temp = MUKTOC(prop_number_integer_value(obj3));
228 if ((int)temp >= max_threshold) {
229 START_COLOR("color_bad");
230 colorful_output = true;
233 outwalk += sprintf(outwalk, "%.2f", temp);
235 if (colorful_output) {
237 colorful_output = false;
242 prop_object_iterator_release(iter2);
245 prop_object_iterator_release(iter);
247 prop_object_release(dict);
255 walk += strlen("degrees");
261 OUTPUT_FULL_TEXT(buffer);
267 OUTPUT_FULL_TEXT("cant read temp");
268 (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);