envstat.c revision 1.85 1 /* $NetBSD: envstat.c,v 1.85 2010/12/16 14:37:23 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2007, 2008 Juan Romero Pardines.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 #ifndef lint
30 __RCSID("$NetBSD: envstat.c,v 1.85 2010/12/16 14:37:23 pgoyette Exp $");
31 #endif /* not lint */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <stdbool.h>
36 #include <stdarg.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <fcntl.h>
40 #include <err.h>
41 #include <errno.h>
42 #include <paths.h>
43 #include <syslog.h>
44 #include <sys/envsys.h>
45 #include <sys/ioctl.h>
46 #include <sys/types.h>
47 #include <sys/queue.h>
48 #include <prop/proplib.h>
49
50 #include "envstat.h"
51 #include "prog_ops.h"
52
53 #define ENVSYS_DFLAG 0x00000001 /* list registered devices */
54 #define ENVSYS_FFLAG 0x00000002 /* show temp in farenheit */
55 #define ENVSYS_LFLAG 0x00000004 /* list sensors */
56 #define ENVSYS_XFLAG 0x00000008 /* externalize dictionary */
57 #define ENVSYS_IFLAG 0x00000010 /* skip invalid sensors */
58 #define ENVSYS_SFLAG 0x00000020 /* remove all properties set */
59 #define ENVSYS_TFLAG 0x00000040 /* make statistics */
60 #define ENVSYS_KFLAG 0x00000100 /* show temp in kelvin */
61
62 /* Sensors */
63 typedef struct envsys_sensor {
64 SIMPLEQ_ENTRY(envsys_sensor) entries;
65 int32_t cur_value;
66 int32_t max_value;
67 int32_t min_value;
68 int32_t avg_value;
69 int32_t critmin_value;
70 int32_t critmax_value;
71 int32_t warnmin_value;
72 int32_t warnmax_value;
73 char desc[ENVSYS_DESCLEN];
74 char type[ENVSYS_DESCLEN];
75 char drvstate[ENVSYS_DESCLEN];
76 char battcap[ENVSYS_DESCLEN];
77 char dvname[ENVSYS_DESCLEN];
78 bool invalid;
79 bool visible;
80 bool percentage;
81 } *sensor_t;
82
83 /* Sensor statistics */
84 typedef struct envsys_sensor_stats {
85 SIMPLEQ_ENTRY(envsys_sensor_stats) entries;
86 int32_t max;
87 int32_t min;
88 int32_t avg;
89 char desc[ENVSYS_DESCLEN];
90 } *sensor_stats_t;
91
92 /* Device properties */
93 typedef struct envsys_dvprops {
94 uint64_t refresh_timo;
95 /* more members could be added in the future */
96 } *dvprops_t;
97
98 /* A simple queue to manage all sensors */
99 static SIMPLEQ_HEAD(, envsys_sensor) sensors_list =
100 SIMPLEQ_HEAD_INITIALIZER(sensors_list);
101
102 /* A simple queue to manage statistics for all sensors */
103 static SIMPLEQ_HEAD(, envsys_sensor_stats) sensor_stats_list =
104 SIMPLEQ_HEAD_INITIALIZER(sensor_stats_list);
105
106 static unsigned int interval, flags, width;
107 static char *mydevname, *sensors;
108 static bool statistics;
109 static u_int header_passes;
110
111 static int parse_dictionary(int);
112 static int send_dictionary(FILE *);
113 static int find_sensors(prop_array_t, const char *, dvprops_t);
114 static void print_sensors(void);
115 static int check_sensors(char *);
116 static int usage(void);
117
118 static int sysmonfd; /* fd of /dev/sysmon */
119
120 int main(int argc, char **argv)
121 {
122 prop_dictionary_t dict;
123 int c, rval = 0;
124 char *endptr, *configfile = NULL;
125 FILE *cf;
126
127 if (prog_init && prog_init() == -1)
128 err(1, "init failed");
129
130 setprogname(argv[0]);
131
132 while ((c = getopt(argc, argv, "c:Dd:fIi:klrSs:Tw:Wx")) != -1) {
133 switch (c) {
134 case 'c': /* configuration file */
135 configfile = strdup(optarg);
136 if (configfile == NULL)
137 err(EXIT_FAILURE, "strdup");
138 break;
139 case 'D': /* list registered devices */
140 flags |= ENVSYS_DFLAG;
141 break;
142 case 'd': /* show sensors of a specific device */
143 mydevname = strdup(optarg);
144 if (mydevname == NULL)
145 err(EXIT_FAILURE, "strdup");
146 break;
147 case 'f': /* display temperature in Farenheit */
148 flags |= ENVSYS_FFLAG;
149 break;
150 case 'I': /* Skips invalid sensors */
151 flags |= ENVSYS_IFLAG;
152 break;
153 case 'i': /* wait time between intervals */
154 interval = (unsigned int)strtoul(optarg, &endptr, 10);
155 if (*endptr != '\0')
156 errx(EXIT_FAILURE, "bad interval '%s'", optarg);
157 break;
158 case 'k': /* display temperature in Kelvin */
159 flags |= ENVSYS_KFLAG;
160 break;
161 case 'l': /* list sensors */
162 flags |= ENVSYS_LFLAG;
163 break;
164 case 'r':
165 /*
166 * This flag is noop.. it's only here for
167 * compatibility with the old implementation.
168 */
169 break;
170 case 'S':
171 flags |= ENVSYS_SFLAG;
172 break;
173 case 's': /* only show specified sensors */
174 sensors = strdup(optarg);
175 if (sensors == NULL)
176 err(EXIT_FAILURE, "strdup");
177 break;
178 case 'T': /* make statistics */
179 flags |= ENVSYS_TFLAG;
180 break;
181 case 'w': /* width value for the lines */
182 width = (unsigned int)strtoul(optarg, &endptr, 10);
183 if (*endptr != '\0')
184 errx(EXIT_FAILURE, "bad width '%s'", optarg);
185 break;
186 case 'x': /* print the dictionary in raw format */
187 flags |= ENVSYS_XFLAG;
188 break;
189 case 'W': /* No longer used, retained for campatability */
190 break;
191 case '?':
192 default:
193 usage();
194 /* NOTREACHED */
195 }
196 }
197
198 argc -= optind;
199 argv += optind;
200
201 if (argc > 0)
202 usage();
203
204 /* Check if we want to make statistics */
205 if (flags & ENVSYS_TFLAG) {
206 if (!interval)
207 errx(EXIT_FAILURE,
208 "-T cannot be used without an interval (-i)");
209 else
210 statistics = true;
211 }
212
213 if (mydevname && sensors)
214 errx(EXIT_FAILURE, "-d flag cannot be used with -s");
215
216 /* Open the device in ro mode */
217 if ((sysmonfd = prog_open(_PATH_SYSMON, O_RDONLY)) == -1)
218 err(EXIT_FAILURE, "%s", _PATH_SYSMON);
219
220 /* Print dictionary in raw mode */
221 if (flags & ENVSYS_XFLAG) {
222 rval = prop_dictionary_recv_ioctl(sysmonfd,
223 ENVSYS_GETDICTIONARY,
224 &dict);
225 if (rval)
226 errx(EXIT_FAILURE, "%s", strerror(rval));
227
228 config_dict_dump(dict);
229
230 /* Remove all properties set in dictionary */
231 } else if (flags & ENVSYS_SFLAG) {
232 /* Close the ro descriptor */
233 (void)prog_close(sysmonfd);
234
235 /* open the fd in rw mode */
236 if ((sysmonfd = prog_open(_PATH_SYSMON, O_RDWR)) == -1)
237 err(EXIT_FAILURE, "%s", _PATH_SYSMON);
238
239 dict = prop_dictionary_create();
240 if (!dict)
241 err(EXIT_FAILURE, "prop_dictionary_create");
242
243 rval = prop_dictionary_set_bool(dict,
244 "envsys-remove-props",
245 true);
246 if (!rval)
247 err(EXIT_FAILURE, "prop_dict_set_bool");
248
249 /* send the dictionary to the kernel now */
250 rval = prop_dictionary_send_ioctl(dict, sysmonfd,
251 ENVSYS_REMOVEPROPS);
252 if (rval)
253 warnx("%s", strerror(rval));
254
255 /* Set properties in dictionary */
256 } else if (configfile) {
257 /*
258 * Parse the configuration file.
259 */
260 if ((cf = fopen(configfile, "r")) == NULL) {
261 syslog(LOG_ERR, "fopen failed: %s", strerror(errno));
262 errx(EXIT_FAILURE, "%s", strerror(errno));
263 }
264
265 rval = send_dictionary(cf);
266 (void)fclose(cf);
267
268 /* Show sensors with interval */
269 } else if (interval) {
270 for (;;) {
271 rval = parse_dictionary(sysmonfd);
272 if (rval)
273 break;
274
275 (void)fflush(stdout);
276 (void)sleep(interval);
277 }
278 /* Show sensors without interval */
279 } else {
280 rval = parse_dictionary(sysmonfd);
281 }
282
283 if (sensors)
284 free(sensors);
285 if (mydevname)
286 free(mydevname);
287 (void)prog_close(sysmonfd);
288
289 return rval ? EXIT_FAILURE : EXIT_SUCCESS;
290 }
291
292 static int
293 send_dictionary(FILE *cf)
294 {
295 prop_dictionary_t kdict, udict;
296 int error = 0;
297
298 /* Retrieve dictionary from kernel */
299 error = prop_dictionary_recv_ioctl(sysmonfd,
300 ENVSYS_GETDICTIONARY, &kdict);
301 if (error)
302 return error;
303
304 config_parse(cf, kdict);
305
306 /*
307 * Dictionary built by the parser from the configuration file.
308 */
309 udict = config_dict_parsed();
310
311 /*
312 * Close the read only descriptor and open a new one read write.
313 */
314 (void)prog_close(sysmonfd);
315 if ((sysmonfd = prog_open(_PATH_SYSMON, O_RDWR)) == -1) {
316 error = errno;
317 warn("%s", _PATH_SYSMON);
318 return error;
319 }
320
321 /*
322 * Send our sensor properties dictionary to the kernel then.
323 */
324 error = prop_dictionary_send_ioctl(udict,
325 sysmonfd, ENVSYS_SETDICTIONARY);
326 if (error)
327 warnx("%s", strerror(error));
328
329 prop_object_release(udict);
330 return error;
331 }
332
333 static sensor_stats_t
334 find_stats_sensor(const char *desc)
335 {
336 sensor_stats_t stats;
337
338 /*
339 * If we matched a sensor by its description return it, otherwise
340 * allocate a new one.
341 */
342 SIMPLEQ_FOREACH(stats, &sensor_stats_list, entries)
343 if (strcmp(stats->desc, desc) == 0)
344 return stats;
345
346 stats = calloc(1, sizeof(*stats));
347 if (stats == NULL)
348 return NULL;
349
350 (void)strlcpy(stats->desc, desc, sizeof(stats->desc));
351 SIMPLEQ_INSERT_TAIL(&sensor_stats_list, stats, entries);
352
353 return stats;
354 }
355
356 static int
357 parse_dictionary(int fd)
358 {
359 sensor_t sensor = NULL;
360 dvprops_t edp = NULL;
361 prop_array_t array;
362 prop_dictionary_t dict;
363 prop_object_iterator_t iter;
364 prop_object_t obj;
365 const char *dnp = NULL;
366 int rval = 0;
367
368 /* receive dictionary from kernel */
369 rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
370 if (rval)
371 return rval;
372
373 /* No drivers registered? */
374 if (prop_dictionary_count(dict) == 0) {
375 warnx("no drivers registered");
376 goto out;
377 }
378
379 if (mydevname) {
380 /* -d flag specified, print sensors only for this device */
381 obj = prop_dictionary_get(dict, mydevname);
382 if (prop_object_type(obj) != PROP_TYPE_ARRAY) {
383 warnx("unknown device `%s'", mydevname);
384 rval = EINVAL;
385 goto out;
386 }
387
388 rval = find_sensors(obj, mydevname, NULL);
389 if (rval)
390 goto out;
391
392 } else {
393 /* print sensors for all devices registered */
394 iter = prop_dictionary_iterator(dict);
395 if (iter == NULL) {
396 rval = EINVAL;
397 goto out;
398 }
399
400 /* iterate over the dictionary returned by the kernel */
401 while ((obj = prop_object_iterator_next(iter)) != NULL) {
402 array = prop_dictionary_get_keysym(dict, obj);
403 if (prop_object_type(array) != PROP_TYPE_ARRAY) {
404 warnx("no sensors found");
405 rval = EINVAL;
406 goto out;
407 }
408
409 edp = calloc(1, sizeof(*edp));
410 if (!edp) {
411 rval = ENOMEM;
412 goto out;
413 }
414
415 dnp = prop_dictionary_keysym_cstring_nocopy(obj);
416 rval = find_sensors(array, dnp, edp);
417 if (rval)
418 goto out;
419
420 if (((flags & ENVSYS_LFLAG) == 0) &&
421 (flags & ENVSYS_DFLAG)) {
422 (void)printf("%s (checking events every ",
423 dnp);
424 if (edp->refresh_timo == 1)
425 (void)printf("second)\n");
426 else
427 (void)printf("%d seconds)\n",
428 (int)edp->refresh_timo);
429 }
430
431 free(edp);
432 edp = NULL;
433 }
434 prop_object_iterator_release(iter);
435 }
436
437 /* print sensors now */
438 if (sensors) {
439 char *str = strdup(sensors);
440 if (!str) {
441 rval = ENOMEM;
442 goto out;
443 }
444 rval = check_sensors(str);
445 free(str);
446 }
447 if ((flags & ENVSYS_LFLAG) == 0 && (flags & ENVSYS_DFLAG) == 0)
448 print_sensors();
449 if (interval)
450 (void)printf("\n");
451
452 out:
453 while ((sensor = SIMPLEQ_FIRST(&sensors_list))) {
454 SIMPLEQ_REMOVE_HEAD(&sensors_list, entries);
455 free(sensor);
456 }
457 if (edp)
458 free(edp);
459 prop_object_release(dict);
460 return rval;
461 }
462
463 static int
464 find_sensors(prop_array_t array, const char *dvname, dvprops_t edp)
465 {
466 prop_object_iterator_t iter;
467 prop_object_t obj, obj1, obj2;
468 prop_string_t state, desc = NULL;
469 sensor_t sensor = NULL;
470 sensor_stats_t stats = NULL;
471
472 iter = prop_array_iterator(array);
473 if (!iter)
474 return ENOMEM;
475
476 /* iterate over the array of dictionaries */
477 while ((obj = prop_object_iterator_next(iter)) != NULL) {
478 /* get the refresh-timeout property */
479 obj2 = prop_dictionary_get(obj, "device-properties");
480 if (obj2) {
481 if (!edp)
482 continue;
483 if (!prop_dictionary_get_uint64(obj2,
484 "refresh-timeout",
485 &edp->refresh_timo))
486 continue;
487 }
488
489 /* new sensor coming */
490 sensor = calloc(1, sizeof(*sensor));
491 if (sensor == NULL) {
492 prop_object_iterator_release(iter);
493 return ENOMEM;
494 }
495
496 /* copy device name */
497 (void)strlcpy(sensor->dvname, dvname, sizeof(sensor->dvname));
498
499 /* description string */
500 desc = prop_dictionary_get(obj, "description");
501 if (desc) {
502 /* copy description */
503 (void)strlcpy(sensor->desc,
504 prop_string_cstring_nocopy(desc),
505 sizeof(sensor->desc));
506 } else {
507 free(sensor);
508 continue;
509 }
510
511 /* type string */
512 obj1 = prop_dictionary_get(obj, "type");
513 if (obj1) {
514 /* copy type */
515 (void)strlcpy(sensor->type,
516 prop_string_cstring_nocopy(obj1),
517 sizeof(sensor->type));
518 } else {
519 free(sensor);
520 continue;
521 }
522
523 /* check sensor's state */
524 state = prop_dictionary_get(obj, "state");
525
526 /* mark sensors with invalid/unknown state */
527 if ((prop_string_equals_cstring(state, "invalid") ||
528 prop_string_equals_cstring(state, "unknown")))
529 sensor->invalid = true;
530
531 /* get current drive state string */
532 obj1 = prop_dictionary_get(obj, "drive-state");
533 if (obj1) {
534 (void)strlcpy(sensor->drvstate,
535 prop_string_cstring_nocopy(obj1),
536 sizeof(sensor->drvstate));
537 }
538
539 /* get current battery capacity string */
540 obj1 = prop_dictionary_get(obj, "battery-capacity");
541 if (obj1) {
542 (void)strlcpy(sensor->battcap,
543 prop_string_cstring_nocopy(obj1),
544 sizeof(sensor->battcap));
545 }
546
547 /* get current value */
548 obj1 = prop_dictionary_get(obj, "cur-value");
549 if (obj1)
550 sensor->cur_value = prop_number_integer_value(obj1);
551
552 /* get max value */
553 obj1 = prop_dictionary_get(obj, "max-value");
554 if (obj1)
555 sensor->max_value = prop_number_integer_value(obj1);
556
557 /* get min value */
558 obj1 = prop_dictionary_get(obj, "min-value");
559 if (obj1)
560 sensor->min_value = prop_number_integer_value(obj1);
561
562 /* get avg value */
563 obj1 = prop_dictionary_get(obj, "avg-value");
564 if (obj1)
565 sensor->avg_value = prop_number_integer_value(obj1);
566
567 /* get percentage flag */
568 obj1 = prop_dictionary_get(obj, "want-percentage");
569 if (obj1)
570 sensor->percentage = prop_bool_true(obj1);
571
572 /* get critical max value if available */
573 obj1 = prop_dictionary_get(obj, "critical-max");
574 if (obj1)
575 sensor->critmax_value = prop_number_integer_value(obj1);
576
577 /* get maximum capacity value if available */
578 obj1 = prop_dictionary_get(obj, "maximum-capacity");
579 if (obj1)
580 sensor->critmax_value = prop_number_integer_value(obj1);
581
582 /* get critical min value if available */
583 obj1 = prop_dictionary_get(obj, "critical-min");
584 if (obj1)
585 sensor->critmin_value = prop_number_integer_value(obj1);
586
587 /* get critical capacity value if available */
588 obj1 = prop_dictionary_get(obj, "critical-capacity");
589 if (obj1)
590 sensor->critmin_value = prop_number_integer_value(obj1);
591
592 /* get warning max value if available */
593 obj1 = prop_dictionary_get(obj, "warning-max");
594 if (obj1)
595 sensor->warnmax_value = prop_number_integer_value(obj1);
596
597 /* get high capacity value if available */
598 obj1 = prop_dictionary_get(obj, "high-capacity");
599 if (obj1)
600 sensor->warnmax_value = prop_number_integer_value(obj1);
601
602 /* get warning min value if available */
603 obj1 = prop_dictionary_get(obj, "warning-min");
604 if (obj1)
605 sensor->warnmin_value = prop_number_integer_value(obj1);
606
607 /* get warning capacity value if available */
608 obj1 = prop_dictionary_get(obj, "warning-capacity");
609 if (obj1)
610 sensor->warnmin_value = prop_number_integer_value(obj1);
611
612 /* print sensor names if -l was given */
613 if (flags & ENVSYS_LFLAG) {
614 if (width)
615 (void)printf("%*s\n", width,
616 prop_string_cstring_nocopy(desc));
617 else
618 (void)printf("%s\n",
619 prop_string_cstring_nocopy(desc));
620 }
621
622 /* Add the sensor into the list */
623 SIMPLEQ_INSERT_TAIL(&sensors_list, sensor, entries);
624
625 /* Collect statistics if flag enabled */
626 if (statistics) {
627 /* ignore sensors not relevant for statistics */
628 if ((strcmp(sensor->type, "Indicator") == 0) ||
629 (strcmp(sensor->type, "Battery charge") == 0) ||
630 (strcmp(sensor->type, "Drive") == 0))
631 continue;
632
633 /* ignore invalid data */
634 if (sensor->invalid || !sensor->cur_value)
635 continue;
636
637 /* find or allocate a new statistics sensor */
638 stats = find_stats_sensor(sensor->desc);
639 if (stats == NULL) {
640 free(sensor);
641 prop_object_iterator_release(iter);
642 return ENOMEM;
643 }
644
645 /* collect data */
646 if (!stats->max)
647 stats->max = sensor->cur_value;
648 if (!stats->min)
649 stats->min = sensor->cur_value;
650
651 if (sensor->cur_value > stats->max)
652 stats->max = sensor->cur_value;
653
654 if (sensor->cur_value < stats->min)
655 stats->min = sensor->cur_value;
656
657 /* compute avg value */
658 if (stats->max && stats->min)
659 stats->avg =
660 (sensor->cur_value + stats->max +
661 stats->min) / 3;
662 }
663 }
664
665 /* free memory */
666 prop_object_iterator_release(iter);
667 return 0;
668 }
669
670 static int
671 check_sensors(char *str)
672 {
673 sensor_t sensor = NULL;
674 char *dvstring, *sstring, *p, *last;
675 bool sensor_found = false;
676
677 /*
678 * Parse device name and sensor description and find out
679 * if the sensor is valid.
680 */
681 for ((p = strtok_r(str, ",", &last)); p;
682 (p = strtok_r(NULL, ",", &last))) {
683 /* get device name */
684 dvstring = strtok(p, ":");
685 if (dvstring == NULL) {
686 warnx("missing device name");
687 return EINVAL;
688 }
689
690 /* get sensor description */
691 sstring = strtok(NULL, ":");
692 if (sstring == NULL) {
693 warnx("missing sensor description");
694 return EINVAL;
695 }
696
697 SIMPLEQ_FOREACH(sensor, &sensors_list, entries) {
698 /* skip until we match device */
699 if (strcmp(dvstring, sensor->dvname))
700 continue;
701 if (strcmp(sstring, sensor->desc) == 0) {
702 sensor->visible = true;
703 sensor_found = true;
704 break;
705 }
706 }
707 if (sensor_found == false) {
708 warnx("unknown sensor `%s' for device `%s'",
709 sstring, dvstring);
710 return EINVAL;
711 }
712 sensor_found = false;
713 }
714
715 /* check if all sensors were ok, and error out if not */
716 SIMPLEQ_FOREACH(sensor, &sensors_list, entries)
717 if (sensor->visible)
718 return 0;
719
720 warnx("no sensors selected to display");
721 return EINVAL;
722 }
723
724 static void
725 print_sensors(void)
726 {
727 sensor_t sensor;
728 sensor_stats_t stats = NULL;
729 size_t maxlen = 0, ilen;
730 double temp = 0;
731 const char *invalid = "N/A", *degrees, *tmpstr, *stype;
732 const char *a, *b, *c, *d, *e, *units;
733
734 tmpstr = stype = d = e = NULL;
735
736 /* find the longest description */
737 SIMPLEQ_FOREACH(sensor, &sensors_list, entries)
738 if (strlen(sensor->desc) > maxlen)
739 maxlen = strlen(sensor->desc);
740
741 if (width)
742 maxlen = width;
743
744 /*
745 * Print a header at the bottom only once showing different
746 * members if the statistics flag is set or not.
747 *
748 * As bonus if -s is set, only print this header every 10 iterations
749 * to avoid redundancy... like vmstat(1).
750 */
751
752 a = "Current";
753 units = "Unit";
754 if (statistics) {
755 b = "Max";
756 c = "Min";
757 d = "Avg";
758 } else {
759 b = "CritMax";
760 c = "WarnMax";
761 d = "WarnMin";
762 e = "CritMin";
763 }
764
765 if (!sensors || (!header_passes && sensors) ||
766 (header_passes == 10 && sensors)) {
767 if (statistics)
768 (void)printf("%s%*s %9s %8s %8s %8s %6s\n",
769 mydevname ? "" : " ", (int)maxlen,
770 "", a, b, c, d, units);
771 else
772 (void)printf("%s%*s %9s %8s %8s %8s %8s %4s\n",
773 mydevname ? "" : " ", (int)maxlen,
774 "", a, b, c, d, e, units);
775 if (sensors && header_passes == 10)
776 header_passes = 0;
777 }
778 if (sensors)
779 header_passes++;
780
781 /* print the sensors */
782 SIMPLEQ_FOREACH(sensor, &sensors_list, entries) {
783 /* skip sensors that were not marked as visible */
784 if (sensors && !sensor->visible)
785 continue;
786
787 /* skip invalid sensors if -I is set */
788 if ((flags & ENVSYS_IFLAG) && sensor->invalid)
789 continue;
790
791 /* print device name */
792 if (!mydevname) {
793 if (tmpstr == NULL || strcmp(tmpstr, sensor->dvname))
794 printf("[%s]\n", sensor->dvname);
795
796 tmpstr = sensor->dvname;
797 }
798
799 /* find out the statistics sensor */
800 if (statistics) {
801 stats = find_stats_sensor(sensor->desc);
802 if (stats == NULL) {
803 /* No statistics for this sensor */
804 continue;
805 }
806 }
807
808 /* print sensor description */
809 (void)printf("%s%*.*s", mydevname ? "" : " ", (int)maxlen,
810 (int)maxlen, sensor->desc);
811
812 /* print invalid string */
813 if (sensor->invalid) {
814 (void)printf(": %9s\n", invalid);
815 continue;
816 }
817
818 /*
819 * Indicator and Battery charge sensors.
820 */
821 if ((strcmp(sensor->type, "Indicator") == 0) ||
822 (strcmp(sensor->type, "Battery charge") == 0)) {
823
824 (void)printf(":%10s", sensor->cur_value ? "ON" : "OFF");
825
826 /* convert and print a temp value in degC, degF, or Kelvin */
827 #define PRINTTEMP(a) \
828 do { \
829 if (a) { \
830 temp = ((a) / 1000000.0); \
831 if (flags & ENVSYS_FFLAG) { \
832 temp = temp * (9.0 / 5.0) - 459.67; \
833 degrees = "degF"; \
834 } else if (flags & ENVSYS_KFLAG) { \
835 degrees = "K"; \
836 } else { \
837 temp = temp - 273.15; \
838 degrees = "degC"; \
839 } \
840 (void)printf("%*.3f ", (int)ilen, temp); \
841 ilen = 8; \
842 } else \
843 ilen += 9; \
844 } while (/* CONSTCOND */ 0)
845
846 /* temperatures */
847 } else if (strcmp(sensor->type, "Temperature") == 0) {
848
849 ilen = 10;
850 degrees = "";
851 (void)printf(":");
852 PRINTTEMP(sensor->cur_value);
853 stype = degrees;
854
855 if (statistics) {
856 /* show statistics if flag set */
857 PRINTTEMP(stats->max);
858 PRINTTEMP(stats->min);
859 PRINTTEMP(stats->avg);
860 ilen += 2;
861 } else {
862 PRINTTEMP(sensor->critmax_value);
863 PRINTTEMP(sensor->warnmax_value);
864 PRINTTEMP(sensor->warnmin_value);
865 PRINTTEMP(sensor->critmin_value);
866 }
867 (void)printf("%*s", (int)ilen - 4, stype);
868 #undef PRINTTEMP
869
870 /* fans */
871 } else if (strcmp(sensor->type, "Fan") == 0) {
872 stype = "RPM";
873
874 (void)printf(":%10u ", sensor->cur_value);
875
876 ilen = 8;
877 if (statistics) {
878 /* show statistics if flag set */
879 (void)printf("%8u %8u %8u ",
880 stats->max, stats->min, stats->avg);
881 ilen += 2;
882 } else {
883 if (sensor->critmax_value) {
884 (void)printf("%*u ", (int)ilen,
885 sensor->critmax_value);
886 ilen = 8;
887 } else
888 ilen += 9;
889
890 if (sensor->warnmax_value) {
891 (void)printf("%*u ", (int)ilen,
892 sensor->warnmax_value);
893 ilen = 8;
894 } else
895 ilen += 9;
896
897 if (sensor->warnmin_value) {
898 (void)printf("%*u ", (int)ilen,
899 sensor->warnmin_value);
900 ilen = 8;
901 } else
902 ilen += 9;
903
904 if (sensor->critmin_value) {
905 (void)printf( "%*u ", (int)ilen,
906 sensor->critmin_value);
907 ilen = 8;
908 } else
909 ilen += 9;
910
911 }
912
913 (void)printf("%*s", (int)ilen - 4, stype);
914
915 /* integers */
916 } else if (strcmp(sensor->type, "Integer") == 0) {
917
918 stype = "none";
919
920 (void)printf(":%10d ", sensor->cur_value);
921
922 ilen = 8;
923 if (statistics) {
924 /* show statistics if flag set */
925 (void)printf("%8u %8u %8u ",
926 stats->max, stats->min, stats->avg);
927 ilen += 2;
928 } else {
929 if (sensor->critmax_value) {
930 (void)printf("%*u ", (int)ilen,
931 sensor->critmax_value);
932 ilen = 8;
933 } else
934 ilen += 9;
935
936 if (sensor->warnmax_value) {
937 (void)printf("%*u ", (int)ilen,
938 sensor->warnmax_value);
939 ilen = 8;
940 } else
941 ilen += 9;
942
943 if (sensor->warnmin_value) {
944 (void)printf("%*u ", (int)ilen,
945 sensor->warnmin_value);
946 ilen = 8;
947 } else
948 ilen += 9;
949
950 if (sensor->critmin_value) {
951 (void)printf( "%*u ", (int)ilen,
952 sensor->critmin_value);
953 ilen = 8;
954 } else
955 ilen += 9;
956
957 }
958
959 (void)printf("%*s", (int)ilen - 4, stype);
960
961 /* drives */
962 } else if (strcmp(sensor->type, "Drive") == 0) {
963
964 (void)printf(":%10s", sensor->drvstate);
965
966 /* Battery capacity */
967 } else if (strcmp(sensor->type, "Battery capacity") == 0) {
968
969 (void)printf(":%10s", sensor->battcap);
970
971 /* everything else */
972 } else {
973 if (strcmp(sensor->type, "Voltage DC") == 0)
974 stype = "V";
975 else if (strcmp(sensor->type, "Voltage AC") == 0)
976 stype = "VAC";
977 else if (strcmp(sensor->type, "Ampere") == 0)
978 stype = "A";
979 else if (strcmp(sensor->type, "Watts") == 0)
980 stype = "W";
981 else if (strcmp(sensor->type, "Ohms") == 0)
982 stype = "Ohms";
983 else if (strcmp(sensor->type, "Watt hour") == 0)
984 stype = "Wh";
985 else if (strcmp(sensor->type, "Ampere hour") == 0)
986 stype = "Ah";
987
988 (void)printf(":%10.3f ",
989 sensor->cur_value / 1000000.0);
990
991 ilen = 8;
992 if (!statistics) {
993
994 /* Print percentage of max_value */
995 #define PRINTPCT(a) \
996 do { \
997 if (sensor->a && sensor->max_value) { \
998 (void)printf("%*.3f%%", (int)ilen, \
999 (sensor->a * 100.0) / sensor->max_value); \
1000 ilen = 8; \
1001 } else \
1002 ilen += 9; \
1003 } while ( /* CONSTCOND*/ 0 )
1004
1005 /* Print a generic sensor value */
1006 #define PRINTVAL(a) \
1007 do { \
1008 if (sensor->a) { \
1009 (void)printf("%*.3f ", (int)ilen, sensor->a / 1000000.0); \
1010 ilen = 8; \
1011 } else \
1012 ilen += 9; \
1013 } while ( /* CONSTCOND*/ 0 )
1014
1015
1016 if (sensor->percentage) {
1017 PRINTPCT(critmax_value);
1018 PRINTPCT(warnmax_value);
1019 PRINTPCT(warnmin_value);
1020 PRINTPCT(critmin_value);
1021 } else {
1022
1023 PRINTVAL(critmax_value);
1024 PRINTVAL(warnmax_value);
1025 PRINTVAL(warnmin_value);
1026 PRINTVAL(critmin_value);
1027 #undef PRINTPCT
1028 #undef PRINTVAL
1029 }
1030 }
1031
1032 if (statistics && !sensor->percentage) {
1033 /* show statistics if flag set */
1034 (void)printf("%8.3f %8.3f %8.3f ",
1035 stats->max / 1000000.0,
1036 stats->min / 1000000.0,
1037 stats->avg / 1000000.0);
1038 ilen += 2;
1039 }
1040
1041 (void)printf("%*s", (int)ilen - 4, stype);
1042
1043 if (sensor->percentage && sensor->max_value) {
1044 (void)printf(" (%5.2f%%)",
1045 (sensor->cur_value * 100.0) /
1046 sensor->max_value);
1047 }
1048 }
1049 (void)printf("\n");
1050 }
1051 }
1052
1053 static int
1054 usage(void)
1055 {
1056 (void)fprintf(stderr, "Usage: %s [-DfIklrSTx] ", getprogname());
1057 (void)fprintf(stderr, "[-c file] [-d device] [-i interval] ");
1058 (void)fprintf(stderr, "[-s device:sensor,...] [-w width]\n");
1059 exit(EXIT_FAILURE);
1060 /* NOTREACHED */
1061 }
1062