Annotation of src/usr.bin/systat/sensors.c, Revision 1.22
1.22 ! deraadt 1: /* $OpenBSD: sensors.c,v 1.21 2010/04/20 20:49:35 deraadt Exp $ */
1.8 deanna 2:
1.1 deanna 3: /*
4: * Copyright (c) 2007 Deanna Phillips <deanna@openbsd.org>
5: * Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
1.4 deraadt 6: * Copyright (c) 2006 Constantine A. Murenin <cnst+openbsd@bugmail.mojo.ru>
1.1 deanna 7: *
8: * Permission to use, copy, modify, and distribute this software for any
9: * purpose with or without fee is hereby granted, provided that the above
10: * copyright notice and this permission notice appear in all copies.
11: *
12: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19: *
20: */
21:
22: #include <sys/param.h>
23: #include <sys/sysctl.h>
24: #include <sys/sensors.h>
25:
26: #include <err.h>
27: #include <errno.h>
28: #include <stdio.h>
29: #include <stdlib.h>
1.13 canacar 30: #include <string.h>
1.1 deanna 31: #include "systat.h"
32:
33: struct sensor sensor;
34: struct sensordev sensordev;
35:
1.13 canacar 36: struct sensinfo {
37: int sn_dev;
38: struct sensor sn_sensor;
39: };
40: #define sn_type sn_sensor.type
41: #define sn_numt sn_sensor.numt
42: #define sn_desc sn_sensor.desc
43: #define sn_status sn_sensor.status
44: #define sn_value sn_sensor.value
45:
1.21 deraadt 46: #define SYSTAT_MAXSENSORDEVICES 1024
47: char *devnames[SYSTAT_MAXSENSORDEVICES];
1.13 canacar 48:
49: #define ADD_ALLOC 100
50: static size_t sensor_cnt = 0;
51: static size_t num_alloc = 0;
52: static struct sensinfo *sensors = NULL;
53:
54: static char *fmttime(double);
55: static void showsensor(struct sensinfo *s);
56:
57: void print_sn(void);
58: int read_sn(void);
59: int select_sn(void);
60:
61: const char *drvstat[] = {
62: NULL,
1.16 okan 63: "empty", "ready", "powering up", "online", "idle", "active",
64: "rebuilding", "powering down", "failed", "degraded"
1.13 canacar 65: };
66:
67:
68: field_def fields_sn[] = {
69: {"SENSOR", 16, 32, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
70: {"VALUE", 16, 20, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
71: {"STATUS", 5, 8, 1, FLD_ALIGN_CENTER, -1, 0, 0, 0},
72: {"DESCRIPTION", 20, 45, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0}
73: };
74:
75: #define FIELD_ADDR(x) (&fields_sn[x])
76:
77: #define FLD_SN_SENSOR FIELD_ADDR(0)
78: #define FLD_SN_VALUE FIELD_ADDR(1)
79: #define FLD_SN_STATUS FIELD_ADDR(2)
80: #define FLD_SN_DESCR FIELD_ADDR(3)
81:
82: /* Define views */
83: field_def *view_sn_0[] = {
84: FLD_SN_SENSOR, FLD_SN_VALUE, FLD_SN_STATUS, FLD_SN_DESCR, NULL
85: };
86:
87:
88: /* Define view managers */
89: struct view_manager sensors_mgr = {
90: "Sensors", select_sn, read_sn, NULL, print_header,
91: print_sn, keyboard_callback, NULL, NULL
92: };
93:
94: field_view views_sn[] = {
95: {view_sn_0, "sensors", '3', &sensors_mgr},
96: {NULL, NULL, 0, NULL}
97: };
98:
99: struct sensinfo *
100: next_sn(void)
1.1 deanna 101: {
1.13 canacar 102: if (num_alloc <= sensor_cnt) {
103: struct sensinfo *s;
104: size_t a = num_alloc + ADD_ALLOC;
105: if (a < num_alloc)
106: return NULL;
107: s = realloc(sensors, a * sizeof(struct sensinfo));
108: if (s == NULL)
109: return NULL;
110: sensors = s;
111: num_alloc = a;
112: }
113:
114: return &sensors[sensor_cnt++];
1.1 deanna 115: }
116:
117:
1.13 canacar 118: int
119: select_sn(void)
1.1 deanna 120: {
1.13 canacar 121: num_disp = sensor_cnt;
122: return (0);
1.1 deanna 123: }
124:
1.13 canacar 125: int
126: read_sn(void)
1.1 deanna 127: {
128: enum sensor_type type;
129: size_t slen, sdlen;
130: int mib[5], dev, numt;
1.13 canacar 131: struct sensinfo *s;
1.1 deanna 132:
133: mib[0] = CTL_HW;
134: mib[1] = HW_SENSORS;
135:
136: sensor_cnt = 0;
1.8 deanna 137:
1.21 deraadt 138: for (dev = 0; dev < SYSTAT_MAXSENSORDEVICES; dev++) {
1.1 deanna 139: mib[2] = dev;
1.13 canacar 140: sdlen = sizeof(struct sensordev);
1.1 deanna 141: if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
1.21 deraadt 142: if (errno == ENOENT)
143: break;
144: if (errno == ENXIO)
145: continue;
146: error("sysctl: %s", strerror(errno));
1.1 deanna 147: }
1.13 canacar 148:
149: if (devnames[dev] && strcmp(devnames[dev], sensordev.xname)) {
150: free(devnames[dev]);
151: devnames[dev] = NULL;
152: }
153: if (devnames[dev] == NULL)
154: devnames[dev] = strdup(sensordev.xname);
155:
1.1 deanna 156: for (type = 0; type < SENSOR_MAX_TYPES; type++) {
157: mib[3] = type;
158: for (numt = 0; numt < sensordev.maxnumt[type]; numt++) {
159: mib[4] = numt;
1.13 canacar 160: slen = sizeof(struct sensor);
1.2 deraadt 161: if (sysctl(mib, 5, &sensor, &slen, NULL, 0)
1.1 deanna 162: == -1) {
163: if (errno != ENOENT)
1.13 canacar 164: error("sysctl: %s", strerror(errno));
1.1 deanna 165: continue;
166: }
167: if (sensor.flags & SENSOR_FINVALID)
168: continue;
1.13 canacar 169:
170: s = next_sn();
171: s->sn_sensor = sensor;
172: s->sn_dev = dev;
1.1 deanna 173: }
174: }
175: }
1.13 canacar 176:
177: num_disp = sensor_cnt;
178: return 0;
1.1 deanna 179: }
180:
181:
182: void
1.13 canacar 183: print_sn(void)
1.1 deanna 184: {
1.13 canacar 185: int n, count = 0;
186:
187: for (n = dispstart; n < num_disp; n++) {
188: showsensor(sensors + n);
189: count++;
190: if (maxprint > 0 && count >= maxprint)
191: break;
192: }
1.1 deanna 193: }
194:
195: int
196: initsensors(void)
197: {
1.13 canacar 198: field_view *v;
199:
200: memset(devnames, 0, sizeof(devnames));
201:
202: for (v = views_sn; v->name != NULL; v++)
203: add_view(v);
204:
205: return(1);
1.1 deanna 206: }
207:
1.13 canacar 208: static void
209: showsensor(struct sensinfo *s)
1.1 deanna 210: {
1.13 canacar 211: tb_start();
212: tbprintf("%s.%s%d", devnames[s->sn_dev],
213: sensor_type_s[s->sn_type], s->sn_numt);
214: print_fld_tb(FLD_SN_SENSOR);
215:
216: if (s->sn_desc[0] != '\0')
217: print_fld_str(FLD_SN_DESCR, s->sn_desc);
218:
219: tb_start();
220:
221: switch (s->sn_type) {
1.1 deanna 222: case SENSOR_TEMP:
1.13 canacar 223: tbprintf("%10.2f degC",
224: (s->sn_value - 273150000) / 1000000.0);
1.1 deanna 225: break;
226: case SENSOR_FANRPM:
1.13 canacar 227: tbprintf("%11lld RPM", s->sn_value);
1.1 deanna 228: break;
229: case SENSOR_VOLTS_DC:
1.13 canacar 230: tbprintf("%10.2f V DC",
231: s->sn_value / 1000000.0);
1.18 cnst 232: break;
233: case SENSOR_WATTS:
234: tbprintf("%10.2f W", s->sn_value / 1000000.0);
1.1 deanna 235: break;
236: case SENSOR_AMPS:
1.13 canacar 237: tbprintf("%10.2f A", s->sn_value / 1000000.0);
1.1 deanna 238: break;
239: case SENSOR_INDICATOR:
1.13 canacar 240: tbprintf("%15s", s->sn_value ? "On" : "Off");
1.1 deanna 241: break;
242: case SENSOR_INTEGER:
1.13 canacar 243: tbprintf("%11lld raw", s->sn_value);
1.1 deanna 244: break;
245: case SENSOR_PERCENT:
1.13 canacar 246: tbprintf("%14.2f%%", s->sn_value / 1000.0);
1.1 deanna 247: break;
248: case SENSOR_LUX:
1.13 canacar 249: tbprintf("%15.2f lx", s->sn_value / 1000000.0);
1.1 deanna 250: break;
251: case SENSOR_DRIVE:
1.13 canacar 252: if (0 < s->sn_value &&
1.17 deraadt 253: s->sn_value < sizeof(drvstat)/sizeof(drvstat[0])) {
1.13 canacar 254: tbprintf("%15s", drvstat[s->sn_value]);
1.1 deanna 255: break;
256: }
1.3 deraadt 257: break;
1.1 deanna 258: case SENSOR_TIMEDELTA:
1.13 canacar 259: tbprintf("%15s", fmttime(s->sn_value / 1000000000.0));
1.1 deanna 260: break;
261: case SENSOR_WATTHOUR:
1.13 canacar 262: tbprintf("%12.2f Wh", s->sn_value / 1000000.0);
1.1 deanna 263: break;
264: case SENSOR_AMPHOUR:
1.13 canacar 265: tbprintf("%10.2f Ah", s->sn_value / 1000000.0);
1.19 yuo 266: break;
267: case SENSOR_HUMIDITY:
268: tbprintf("%3.2f%%", s->sn_value / 1000.0);
1.20 oga 269: break;
270: case SENSOR_FREQ:
271: tbprintf("%11lld Hz", s->sn_value);
1.22 ! deraadt 272: break;
! 273: case SENSOR_ANGLE:
! 274: tbprintf("%10lld deg", s->sn_value);
1.1 deanna 275: break;
276: default:
1.13 canacar 277: tbprintf("%10lld", s->sn_value);
1.3 deraadt 278: break;
1.1 deanna 279: }
1.2 deraadt 280:
1.13 canacar 281: print_fld_tb(FLD_SN_VALUE);
282:
283: switch (s->sn_status) {
1.8 deanna 284: case SENSOR_S_UNSPEC:
285: break;
1.1 deanna 286: case SENSOR_S_UNKNOWN:
1.13 canacar 287: print_fld_str(FLD_SN_STATUS, "unknown");
1.1 deanna 288: break;
289: case SENSOR_S_WARN:
1.13 canacar 290: print_fld_str(FLD_SN_STATUS, "WARNING");
1.1 deanna 291: break;
292: case SENSOR_S_CRIT:
1.13 canacar 293: print_fld_str(FLD_SN_STATUS, "CRITICAL");
1.1 deanna 294: break;
1.3 deraadt 295: case SENSOR_S_OK:
1.13 canacar 296: print_fld_str(FLD_SN_STATUS, "OK");
1.1 deanna 297: break;
298: }
1.13 canacar 299: end_line();
1.9 ckuethe 300: }
301:
302: #define SECS_PER_DAY 86400
303: #define SECS_PER_HOUR 3600
304: #define SECS_PER_MIN 60
305:
306: static char *
307: fmttime(double in)
308: {
309: int signbit = 1;
310: int tiny = 0;
311: char *unit;
312: #define LEN 32
313: static char outbuf[LEN];
314:
315: if (in < 0){
316: signbit = -1;
317: in *= -1;
318: }
319:
320: if (in >= SECS_PER_DAY ){
321: unit = "days";
322: in /= SECS_PER_DAY;
323: } else if (in >= SECS_PER_HOUR ){
324: unit = "hr";
325: in /= SECS_PER_HOUR;
326: } else if (in >= SECS_PER_MIN ){
327: unit = "min";
328: in /= SECS_PER_MIN;
329: } else if (in >= 1 ){
1.11 ckuethe 330: unit = "s";
1.9 ckuethe 331: /* in *= 1; */ /* no op */
1.10 ckuethe 332: } else if (in == 0 ){ /* direct comparisons to floats are scary */
1.11 ckuethe 333: unit = "s";
1.9 ckuethe 334: } else if (in >= 1e-3 ){
1.11 ckuethe 335: unit = "ms";
1.9 ckuethe 336: in *= 1e3;
337: } else if (in >= 1e-6 ){
1.11 ckuethe 338: unit = "us";
1.9 ckuethe 339: in *= 1e6;
340: } else if (in >= 1e-9 ){
1.11 ckuethe 341: unit = "ns";
1.9 ckuethe 342: in *= 1e9;
343: } else {
1.11 ckuethe 344: unit = "ps";
1.9 ckuethe 345: if (in < 1e-13)
346: tiny = 1;
347: in *= 1e12;
348: }
349:
350: snprintf(outbuf, LEN,
1.14 canacar 351: tiny ? "%s%f %s" : "%s%.3f %s",
1.9 ckuethe 352: signbit == -1 ? "-" : "", in, unit);
353:
354: return outbuf;
1.1 deanna 355: }
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