envstat.c revision 1.46
1 /* $NetBSD: envstat.c,v 1.46 2007/09/04 16:54:37 xtraeme Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juan Romero Pardines. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Juan Romero Pardines 21 * for the NetBSD Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * TODO: 41 * 42 * o Some checks should be added to ensure that the user does not 43 * set unwanted values for the critical limits. 44 */ 45 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <stdbool.h> 49 #include <string.h> 50 #include <unistd.h> 51 #include <fcntl.h> 52 #include <err.h> 53 #include <errno.h> 54 #include <prop/proplib.h> 55 #include <sys/envsys.h> 56 57 #define _PATH_DEV_SYSMON "/dev/sysmon" 58 59 #define ENVSYS_DFLAG 0x00000001 /* list registered devices */ 60 #define ENVSYS_FFLAG 0x00000002 /* show temp in farenheit */ 61 #define ENVSYS_LFLAG 0x00000004 /* list sensors */ 62 #define ENVSYS_XFLAG 0x00000008 /* externalize dictionary */ 63 #define ENVSYS_IFLAG 0x00000010 /* skips invalid sensors */ 64 65 /* 66 * Operation flags for -m. 67 */ 68 #define USERF_SCRITICAL 0x00000001 /* set a critical limit */ 69 #define USERF_RCRITICAL 0x00000002 /* remove a critical limit */ 70 #define USERF_SCRITMAX 0x00000004 /* set a critical max limit */ 71 #define USERF_RCRITMAX 0x00000008 /* remove a critical max limit */ 72 #define USERF_SCRITMIN 0x00000010 /* set a critical min limit */ 73 #define USERF_RCRITMIN 0x00000020 /* remove a critical min limit */ 74 #define USERF_SRFACT 0x00000040 /* set a new rfact */ 75 #define USERF_SDESCR 0x00000080 /* set a new description */ 76 77 struct envsys_sensor { 78 bool invalid; 79 bool visible; 80 bool percentage; 81 int32_t cur_value; 82 int32_t max_value; 83 int32_t min_value; 84 int32_t avg_value; 85 int32_t critcap_value; 86 int32_t critmin_value; 87 int32_t critmax_value; 88 char desc[ENVSYS_DESCLEN]; 89 char type[ENVSYS_DESCLEN]; 90 char drvstate[ENVSYS_DESCLEN]; 91 char battstate[ENVSYS_DESCLEN]; 92 }; 93 94 static int interval, flags, width; 95 static char *mydevname, *sensors, *userreq; 96 static struct envsys_sensor *gesen; 97 static size_t gnelems, newsize; 98 99 static int parse_dictionary(int); 100 static int send_dictionary(int); 101 static int find_sensors(prop_array_t); 102 static void print_sensors(struct envsys_sensor *, size_t); 103 static int check_sensors(struct envsys_sensor *, char *, size_t); 104 static int usage(void); 105 106 107 int main(int argc, char **argv) 108 { 109 prop_dictionary_t dict; 110 int c, fd, rval; 111 char *buf, *endptr; 112 113 rval = flags = interval = width = 0; 114 newsize = gnelems = 0; 115 gesen = NULL; 116 117 setprogname(argv[0]); 118 119 while ((c = getopt(argc, argv, "DId:fi:lm:rs:w:x")) != -1) { 120 switch (c) { 121 case 'D': /* list registered devices */ 122 flags |= ENVSYS_DFLAG; 123 break; 124 case 'I': /* Skips invalid sensors */ 125 flags |= ENVSYS_IFLAG; 126 break; 127 case 'd': /* show sensors of a specific device */ 128 mydevname = strdup(optarg); 129 if (mydevname == NULL) 130 err(ENOMEM, "out of memory"); 131 break; 132 case 'f': /* display temperature in Farenheit */ 133 flags |= ENVSYS_FFLAG; 134 break; 135 case 'i': /* wait time between intervals */ 136 interval = strtoul(optarg, &endptr, 10); 137 if (*endptr != '\0') 138 errx(1, "interval must be an integer"); 139 break; 140 case 'l': /* list sensors */ 141 flags |= ENVSYS_LFLAG; 142 break; 143 case 'm': 144 userreq = strdup(optarg); 145 if (userreq == NULL) 146 err(ENOMEM, "out of memory"); 147 break; 148 case 'r': 149 /* 150 * This flag doesn't do anything... it's only here for 151 * compatibility with the old implementation. 152 */ 153 break; 154 case 's': /* only show specified sensors */ 155 sensors = strdup(optarg); 156 if (sensors == NULL) 157 err(ENOMEM, "out of memory"); 158 break; 159 case 'w': /* width value for the lines */ 160 width = strtoul(optarg, &endptr, 10); 161 if (*endptr != '\0') 162 errx(1, "width must be an integer"); 163 break; 164 case 'x': /* print the dictionary in raw format */ 165 flags |= ENVSYS_XFLAG; 166 break; 167 case '?': 168 default: 169 usage(); 170 /* NOTREACHED */ 171 } 172 } 173 174 argc -= optind; 175 argv += optind; 176 177 if ((fd = open(_PATH_DEV_SYSMON, O_RDONLY)) == -1) 178 err(EXIT_FAILURE, "open"); 179 180 if (!interval && (flags & ENVSYS_XFLAG)) { 181 rval = prop_dictionary_recv_ioctl(fd, 182 ENVSYS_GETDICTIONARY, 183 &dict); 184 if (rval) { 185 (void)printf("%s: %s\n", getprogname(), 186 strerror(rval)); 187 goto out; 188 } 189 } 190 191 if (argc == 1) { 192 rval = parse_dictionary(fd); 193 194 } else if (userreq) { 195 if (!sensors || !mydevname) { 196 (void)fprintf(stderr, "%s: -m cannot be used without " 197 "-s and -d\n", getprogname()); 198 return EINVAL; 199 } 200 201 rval = send_dictionary(fd); 202 goto out; 203 204 } else if (interval) { 205 for (;;) { 206 if (sensors && !mydevname) { 207 (void)fprintf(stderr, "%s: -s cannot be used " 208 "without -d\n", getprogname()); 209 rval = EINVAL; 210 goto out; 211 } 212 213 rval = parse_dictionary(fd); 214 if (rval) 215 goto out; 216 (void)fflush(stdout); 217 (void)sleep(interval); 218 } 219 220 } else if (!interval) { 221 if (flags & ENVSYS_XFLAG) { 222 buf = prop_dictionary_externalize(dict); 223 (void)printf("%s", buf); 224 free(buf); 225 } else { 226 if (sensors && !mydevname) { 227 (void)fprintf(stderr, "%s: -s cannot be used " 228 "without -d\n", getprogname()); 229 rval = EINVAL; 230 goto out; 231 } 232 rval = parse_dictionary(fd); 233 } 234 235 } else 236 usage(); 237 238 out: 239 if (sensors) 240 free(sensors); 241 if (userreq) 242 free(userreq); 243 if (mydevname) 244 free(mydevname); 245 if (gesen) 246 free(gesen); 247 (void)close(fd); 248 return rval; 249 } 250 251 static int 252 send_dictionary(int fd) 253 { 254 prop_dictionary_t dict, udict; 255 prop_object_t obj; 256 char *buf, *target, *endptr; 257 int error, i, uflag; 258 double val; 259 260 error = uflag = val = 0; 261 262 /* 263 * part 1: kernel dictionary. 264 * 265 * This parts consists in parsing the kernel dictionary 266 * to check for unknown device or sensor and we must 267 * know what type of sensor are we trying to set 268 * a critical condition. 269 */ 270 error = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict); 271 if (error) 272 return error; 273 274 if (mydevname) { 275 obj = prop_dictionary_get(dict, mydevname); 276 if (prop_object_type(obj) != PROP_TYPE_ARRAY) { 277 warnx("unknown device `%s'", mydevname); 278 prop_object_release(dict); 279 return EINVAL; 280 } 281 282 if (find_sensors(obj)) { 283 prop_object_release(dict); 284 return EINVAL; 285 } 286 } 287 288 /* find the type for selected sensor */ 289 for (i = 0; i < gnelems; i++) 290 if (strcmp(sensors, gesen[i].desc) == 0) 291 break; 292 293 /* we know the type of the sensor now, release kernel dict */ 294 prop_object_release(dict); 295 /* we don't need the rdonly fd */ 296 (void)close(fd); 297 298 299 /* 300 * part 2: userland dictionary. 301 * 302 * This parts consists in setting the values provided 303 * by the user and convert when necesssary to send 304 * them to the kernel again. 305 */ 306 udict = prop_dictionary_create(); 307 308 #define MKPROP(var, str) \ 309 do { \ 310 obj = prop_string_create_cstring_nocopy(var); \ 311 if (obj == NULL || !prop_dictionary_set(udict, (str), obj)) { \ 312 error = EINVAL; \ 313 goto out; \ 314 } \ 315 } while (/* CONSTCOND */ 0) 316 317 /* create the driver-name object */ 318 MKPROP(mydevname, "driver-name"); 319 prop_object_release(obj); 320 321 /* create the sensor-name object */ 322 MKPROP(sensors, "sensor-name"); 323 prop_object_release(obj); 324 325 #undef MKPROP 326 327 /* 328 * parse the -m argument; we understand the following ways: 329 * 330 * -m critical/crit{max,min}=value 331 * -m critical/crit{max,min}=remove 332 * -m desc="BLAH" 333 * -m rfact=value 334 */ 335 if (userreq) { 336 buf = strtok(userreq, "="); 337 target = strdup(buf); 338 if (target == NULL) { 339 error = ENOMEM; 340 goto out; 341 } 342 343 while (buf != NULL) { 344 /* 345 * skip current string if it's the same 346 * than target requested. 347 */ 348 if (strcmp(target, buf) == 0) 349 buf = strtok(NULL, "="); 350 351 /* check what target was requested */ 352 if (strcmp(target, "desc") == 0) { 353 uflag |= USERF_SDESCR; 354 obj = prop_string_create_cstring_nocopy(buf); 355 break; 356 #define SETNCHECKVAL(a, b) \ 357 do { \ 358 if (strcmp(buf, "remove") == 0) \ 359 uflag |= (a); \ 360 else { \ 361 uflag |= (b); \ 362 val = strtod(buf, &endptr); \ 363 if (*endptr != '\0') { \ 364 (void)printf("%s: invalid value\n", \ 365 getprogname()); \ 366 error = EINVAL; \ 367 goto out; \ 368 } \ 369 } \ 370 } while (/* CONSTCOND */ 0) 371 372 } else if (strcmp(target, "critical") == 0) { 373 SETNCHECKVAL(USERF_RCRITICAL, USERF_SCRITICAL); 374 break; 375 } else if (strcmp(target, "critmax") == 0) { 376 SETNCHECKVAL(USERF_RCRITMAX, USERF_SCRITMAX); 377 break; 378 } else if (strcmp(target, "critmin") == 0) { 379 SETNCHECKVAL(USERF_RCRITMIN, USERF_SCRITMIN); 380 break; 381 } else if (strcmp(target, "rfact") == 0) { 382 uflag |= USERF_SRFACT; 383 val = strtod(buf, &endptr); 384 if (*endptr != '\0') { 385 (void)printf("%s: invalid value\n", 386 getprogname()); 387 error = EINVAL; 388 goto out; 389 } 390 break; 391 } else { 392 (void)printf("%s: invalid target\n", 393 getprogname()); 394 error = EINVAL; 395 goto out; 396 } 397 } 398 free(target); 399 } 400 401 #undef SETNCHECKVAL 402 403 /* critical capacity for percentage sensors */ 404 if (uflag & USERF_SCRITICAL) { 405 /* sanity check */ 406 if (val < 0 || val > 100) { 407 (void)printf("%s: invalid value (0><100)\n", 408 getprogname()); 409 error = EINVAL; 410 goto out; 411 } 412 413 /* ok... convert the value */ 414 val = (val / 100) * gesen[i].max_value; 415 obj = prop_number_create_unsigned_integer(val); 416 } 417 418 /* 419 * conversions required to send a proper value to the kernel. 420 */ 421 if ((uflag & USERF_SCRITMAX) || (uflag & USERF_SCRITMIN)) { 422 /* temperatures */ 423 if (strcmp(gesen[i].type, "Temperature") == 0) { 424 /* convert from farenheit to celsius */ 425 if (flags & ENVSYS_FFLAG) 426 val = (val - 32.0) * (5.0 / 9.0); 427 428 /* convert to microKelvin */ 429 val = val * 1000000 + 273150000; 430 /* printf("val=%d\n", (int)val); */ 431 obj = prop_number_create_unsigned_integer(val); 432 /* fans */ 433 } else if (strcmp(gesen[i].type, "Fan") == 0) { 434 if (val < 0 || val > 10000) { 435 error = EINVAL; 436 goto out; 437 } 438 /* printf("val=%d\n", (int)val); */ 439 obj = prop_number_create_unsigned_integer(val); 440 441 /* volts, watts, ohms, etc */ 442 } else { 443 /* convert to m[V,W,Ohms] again */ 444 val *= 1000000.0; 445 /* printf("val=%5.0f\n", val); */ 446 obj = prop_number_create_integer(val); 447 } 448 } 449 450 #define SETPROP(str) \ 451 do { \ 452 if (!prop_dictionary_set(udict, (str), obj)) { \ 453 error = EINVAL; \ 454 goto out; \ 455 } \ 456 } while ( /*CONSTCOND*/ 0) 457 458 /* user wanted to set a new description */ 459 if (uflag & USERF_SDESCR) { 460 SETPROP("new-description"); 461 462 /* user wanted to set a new critical capacity */ 463 } else if (uflag & USERF_SCRITICAL) { 464 SETPROP("critical-capacity"); 465 466 } else if (uflag & USERF_RCRITICAL) { 467 obj = prop_bool_create(1); 468 SETPROP("remove-critical-cap"); 469 470 /* user wanted to remove a critical min limit */ 471 } else if (uflag & USERF_RCRITMIN) { 472 obj = prop_bool_create(1); 473 SETPROP("remove-cmin-limit"); 474 475 /* user wanted to remove a critical max limit */ 476 } else if (uflag & USERF_RCRITMAX) { 477 obj = prop_bool_create(1); 478 SETPROP("remove-cmax-limit"); 479 480 /* user wanted to set a new critical min value */ 481 } else if (uflag & USERF_SCRITMIN) { 482 SETPROP("critical-min-limit"); 483 484 /* user wanted to set a new critical max value */ 485 } else if (uflag & USERF_SCRITMAX) { 486 SETPROP("critical-max-limit"); 487 488 /* user wanted to set a new rfact */ 489 } else if (uflag & USERF_SRFACT) { 490 obj = prop_number_create_integer(val); 491 SETPROP("new-rfact"); 492 493 } else { 494 (void)printf("%s: unknown operation\n", getprogname()); 495 error = EINVAL; 496 goto out; 497 } 498 499 #undef SETPROP 500 501 prop_object_release(obj); 502 503 #ifdef DEBUG 504 printf("%s", prop_dictionary_externalize(udict)); 505 return error; 506 #endif 507 508 if ((fd = open(_PATH_DEV_SYSMON, O_RDWR)) == -1) { 509 error = errno; 510 warnx("%s", strerror(errno)); 511 goto out; 512 } 513 514 /* all done? send our dictionary now */ 515 error = prop_dictionary_send_ioctl(udict, fd, ENVSYS_SETDICTIONARY); 516 517 if (error) 518 (void)printf("%s: %s\n", getprogname(), strerror(error)); 519 out: 520 prop_object_release(udict); 521 return error; 522 } 523 524 static int 525 parse_dictionary(int fd) 526 { 527 prop_array_t array; 528 prop_dictionary_t dict; 529 prop_object_iterator_t iter; 530 prop_object_t obj; 531 const char *dnp = NULL; 532 int rval = 0; 533 534 /* receive dictionary from kernel */ 535 rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict); 536 if (rval) 537 return rval; 538 539 if (prop_dictionary_count(dict) == 0) { 540 warnx("no drivers registered"); 541 goto out; 542 } 543 544 if (mydevname) { 545 obj = prop_dictionary_get(dict, mydevname); 546 if (prop_object_type(obj) != PROP_TYPE_ARRAY) { 547 warnx("unknown device `%s'", mydevname); 548 rval = EINVAL; 549 goto out; 550 } 551 552 rval = find_sensors(obj); 553 if (rval) 554 goto out; 555 } else { 556 iter = prop_dictionary_iterator(dict); 557 if (iter == NULL) { 558 rval = EINVAL; 559 goto out; 560 } 561 562 /* iterate over the dictionary returned by the kernel */ 563 while ((obj = prop_object_iterator_next(iter)) != NULL) { 564 565 array = prop_dictionary_get_keysym(dict, obj); 566 if (prop_object_type(array) != PROP_TYPE_ARRAY) { 567 warnx("no sensors found"); 568 rval = EINVAL; 569 goto out; 570 } 571 572 dnp = prop_dictionary_keysym_cstring_nocopy(obj); 573 574 if (flags & ENVSYS_DFLAG) { 575 (void)printf("%s\n", dnp); 576 } else { 577 rval = find_sensors(array); 578 if (rval) 579 goto out; 580 } 581 } 582 583 prop_object_iterator_release(iter); 584 } 585 586 if (userreq == NULL) 587 if ((flags & ENVSYS_LFLAG) == 0) 588 print_sensors(gesen, gnelems); 589 590 if (interval) 591 (void)printf("\n"); 592 593 out: 594 if (gesen) { 595 free(gesen); 596 gesen = NULL; 597 gnelems = 0; 598 newsize = 0; 599 } 600 prop_object_release(dict); 601 return rval; 602 } 603 604 static int 605 find_sensors(prop_array_t array) 606 { 607 prop_object_iterator_t iter; 608 prop_object_t obj, obj1; 609 prop_string_t state, desc = NULL; 610 struct envsys_sensor *esen = NULL; 611 int rval = 0; 612 size_t oldsize; 613 char *str = NULL; 614 615 oldsize = newsize; 616 newsize += prop_array_count(array) * sizeof(*gesen); 617 esen = realloc(gesen, newsize); 618 if (esen == NULL) { 619 if (gesen) 620 free(gesen); 621 gesen = NULL; 622 rval = ENOMEM; 623 goto out; 624 } 625 gesen = esen; 626 627 iter = prop_array_iterator(array); 628 if (iter == NULL) { 629 rval = EINVAL; 630 goto out; 631 } 632 633 /* iterate over the array of dictionaries */ 634 while ((obj = prop_object_iterator_next(iter)) != NULL) { 635 636 gesen[gnelems].visible = false; 637 638 /* check sensor's state */ 639 state = prop_dictionary_get(obj, "state"); 640 641 /* mark invalid sensors */ 642 if (prop_string_equals_cstring(state, "invalid")) 643 gesen[gnelems].invalid = true; 644 else 645 gesen[gnelems].invalid = false; 646 647 /* description string */ 648 desc = prop_dictionary_get(obj, "description"); 649 if (desc != NULL) { 650 /* copy description */ 651 (void)strlcpy(gesen[gnelems].desc, 652 prop_string_cstring_nocopy(desc), 653 sizeof(gesen[gnelems].desc)); 654 } else 655 continue; 656 657 /* type string */ 658 obj1 = prop_dictionary_get(obj, "type"); 659 /* copy type */ 660 (void)strlcpy(gesen[gnelems].type, 661 prop_string_cstring_nocopy(obj1), 662 sizeof(gesen[gnelems].type)); 663 664 /* get current drive state string */ 665 obj1 = prop_dictionary_get(obj, "drive-state"); 666 if (obj1 != NULL) 667 (void)strlcpy(gesen[gnelems].drvstate, 668 prop_string_cstring_nocopy(obj1), 669 sizeof(gesen[gnelems].drvstate)); 670 671 /* get current battery state string */ 672 obj1 = prop_dictionary_get(obj, "battery-state"); 673 if (obj1 != NULL) 674 (void)strlcpy(gesen[gnelems].battstate, 675 prop_string_cstring_nocopy(obj1), 676 sizeof(gesen[gnelems].battstate)); 677 678 /* get current value */ 679 obj1 = prop_dictionary_get(obj, "cur-value"); 680 gesen[gnelems].cur_value = prop_number_integer_value(obj1); 681 682 /* get max value */ 683 obj1 = prop_dictionary_get(obj, "max-value"); 684 if (obj1 != NULL) 685 gesen[gnelems].max_value = 686 prop_number_integer_value(obj1); 687 else 688 gesen[gnelems].max_value = 0; 689 690 /* get min value */ 691 obj1 = prop_dictionary_get(obj, "min-value"); 692 if (obj1 != NULL) 693 gesen[gnelems].min_value = 694 prop_number_integer_value(obj1); 695 else 696 gesen[gnelems].min_value = 0; 697 698 /* get avg value */ 699 obj1 = prop_dictionary_get(obj, "avg-value"); 700 if (obj1 != NULL) 701 gesen[gnelems].avg_value = 702 prop_number_integer_value(obj1); 703 else 704 gesen[gnelems].avg_value = 0; 705 706 /* get percentage flag */ 707 obj1 = prop_dictionary_get(obj, "want-percentage"); 708 if (obj1 != NULL) 709 gesen[gnelems].percentage = prop_bool_true(obj1); 710 711 /* get critical max value if available */ 712 obj1 = prop_dictionary_get(obj, "critical-max-limit"); 713 if (obj1 != NULL) { 714 gesen[gnelems].critmax_value = 715 prop_number_integer_value(obj1); 716 } else 717 gesen[gnelems].critmax_value = 0; 718 719 /* get critical min value if available */ 720 obj1 = prop_dictionary_get(obj, "critical-min-limit"); 721 if (obj1 != NULL) { 722 gesen[gnelems].critmin_value = 723 prop_number_integer_value(obj1); 724 } else 725 gesen[gnelems].critmin_value = 0; 726 727 /* get critical capacity value if available */ 728 obj1 = prop_dictionary_get(obj, "critical-capacity"); 729 if (obj1 != NULL) { 730 gesen[gnelems].critcap_value = 731 prop_number_integer_value(obj1); 732 } else 733 gesen[gnelems].critcap_value = 0; 734 735 /* pass to the next struct and increase the counter */ 736 gnelems++; 737 738 /* print sensor names if -l was given */ 739 if (flags & ENVSYS_LFLAG) { 740 if (width) 741 (void)printf("%*s\n", width, 742 prop_string_cstring_nocopy(desc)); 743 else 744 (void)printf("%s\n", 745 prop_string_cstring_nocopy(desc)); 746 } 747 } 748 749 /* free memory */ 750 prop_object_iterator_release(iter); 751 752 /* 753 * if -s was specified, we need a way to mark if a sensor 754 * was found. 755 */ 756 if (sensors) { 757 str = strdup(sensors); 758 if (str == NULL) 759 return ENOMEM; 760 761 rval = check_sensors(gesen, str, gnelems); 762 if (rval) 763 goto out; 764 } 765 766 out: 767 if (str) 768 free(str); 769 return rval; 770 } 771 772 static int 773 check_sensors(struct envsys_sensor *es, char *str, size_t nelems) 774 { 775 int i; 776 char *sname; 777 778 sname = strtok(str, ","); 779 while (sname != NULL) { 780 for (i = 0; i < nelems; i++) { 781 if (strcmp(sname, es[i].desc) == 0) { 782 es[i].visible = true; 783 break; 784 } 785 } 786 if (i >= nelems) { 787 if (mydevname) { 788 warnx("unknown sensor `%s' for device `%s'", 789 sname, mydevname); 790 return EINVAL; 791 } else { 792 warnx("unknown sensor `%s'", sname); 793 return EINVAL; 794 } 795 } 796 sname = strtok(NULL, ","); 797 } 798 799 /* check if all sensors were ok, and error out if not */ 800 for (i = 0; i < nelems; i++) { 801 if (es[i].visible) 802 return 0; 803 } 804 805 warnx("no sensors selected to display"); 806 return EINVAL; 807 } 808 809 static void 810 print_sensors(struct envsys_sensor *es, size_t nelems) 811 { 812 size_t maxlen = 0; 813 double temp = 0; 814 const char *invalid = "N/A"; 815 const char *degrees = NULL; 816 int i; 817 818 /* find the longest description */ 819 for (i = 0; i < nelems; i++) { 820 if (strlen(es[i].desc) > maxlen) 821 maxlen = strlen(es[i].desc); 822 } 823 824 if (width) 825 maxlen = width; 826 827 /* print the sensors */ 828 for (i = 0; i < nelems; i++) { 829 830 /* skip sensors that were not marked as visible */ 831 if (sensors && !es[i].visible) 832 continue; 833 834 /* Do not print invalid sensors if -I is set */ 835 if ((flags & ENVSYS_IFLAG) && es[i].invalid) 836 continue; 837 838 (void)printf("%*.*s", (int)maxlen, (int)maxlen, es[i].desc); 839 840 if (es[i].invalid) { 841 (void)printf(": %10s\n", invalid); 842 continue; 843 } 844 845 if (strcmp(es[i].type, "Indicator") == 0) { 846 847 (void)printf(": %10s", es[i].cur_value ? "ON" : "OFF"); 848 849 /* converts the value to degC or degF */ 850 #define CONVERTTEMP(a, b, c) \ 851 do { \ 852 if (b) \ 853 (a) = ((b) / 1000000.0) - 273.15; \ 854 if (flags & ENVSYS_FFLAG) { \ 855 if (b) \ 856 (a) = (9.0 / 5.0) * (a) + 32.0; \ 857 (c) = "degF"; \ 858 } else \ 859 (c) = "degC"; \ 860 } while (/* CONSTCOND */ 0) 861 862 863 /* temperatures */ 864 } else if (strcmp(es[i].type, "Temperature") == 0) { 865 866 CONVERTTEMP(temp, es[i].cur_value, degrees); 867 (void)printf(": %10.3f %s", temp, degrees); 868 869 if (es[i].critmax_value || es[i].critmin_value) 870 (void)printf(" "); 871 872 if (es[i].critmax_value) { 873 CONVERTTEMP(temp, es[i].critmax_value, degrees); 874 (void)printf("max: %8.3f %s ", temp, degrees); 875 } 876 877 if (es[i].critmin_value) { 878 CONVERTTEMP(temp, es[i].critmin_value, degrees); 879 (void)printf("min: %8.3f %s", temp, degrees); 880 } 881 #undef CONVERTTEMP 882 883 /* fans */ 884 } else if (strcmp(es[i].type, "Fan") == 0) { 885 886 (void)printf(": %10u RPM", es[i].cur_value); 887 888 if (es[i].critmax_value || es[i].critmin_value) 889 (void)printf(" "); 890 if (es[i].critmax_value) 891 (void)printf("max: %8u RPM ", 892 es[i].critmax_value); 893 if (es[i].critmin_value) 894 (void)printf("min: %8u RPM", 895 es[i].critmin_value); 896 897 /* integers */ 898 } else if (strcmp(es[i].type, "Integer") == 0) { 899 900 (void)printf(": %10d", es[i].cur_value); 901 902 /* drives */ 903 } else if (strcmp(es[i].type, "Drive") == 0) { 904 905 (void)printf(": %10s", es[i].drvstate); 906 907 /* Battery state */ 908 } else if (strcmp(es[i].type, "Battery state") == 0) { 909 910 (void)printf(": %10s", es[i].battstate); 911 912 /* everything else */ 913 } else { 914 const char *type; 915 916 if (strcmp(es[i].type, "Voltage DC") == 0) 917 type = "V"; 918 else if (strcmp(es[i].type, "Voltage AC") == 0) 919 type = "VAC"; 920 else if (strcmp(es[i].type, "Ampere") == 0) 921 type = "A"; 922 else if (strcmp(es[i].type, "Watts") == 0) 923 type = "W"; 924 else if (strcmp(es[i].type, "Ohms") == 0) 925 type = "Ohms"; 926 else if (strcmp(es[i].type, "Watt hour") == 0) 927 type = "Wh"; 928 else if (strcmp(es[i].type, "Ampere hour") == 0) 929 type = "Ah"; 930 else 931 type = NULL; 932 933 (void)printf(": %10.3f %s", 934 es[i].cur_value / 1000000.0, type); 935 936 if (es[i].percentage && es[i].max_value) { 937 (void)printf(" (%5.2f%%)", 938 (es[i].cur_value * 100.0) / 939 es[i].max_value); 940 } 941 942 if (es[i].critcap_value) { 943 (void)printf(" critical (%5.2f%%)", 944 (es[i].critcap_value * 100.0) / 945 es[i].max_value); 946 } 947 948 if (es[i].critmax_value || es[i].critmin_value) 949 (void)printf(" "); 950 if (es[i].critmax_value) 951 (void)printf("max: %8.3f %s ", 952 es[i].critmax_value / 1000000.0, 953 type); 954 if (es[i].critmin_value) 955 (void)printf("min: %8.3f %s", 956 es[i].critmin_value / 1000000.0, 957 type); 958 959 } 960 961 (void)printf("\n"); 962 } 963 } 964 965 static int 966 usage(void) 967 { 968 (void)fprintf(stderr, "Usage: %s [-DIflrx] ", getprogname()); 969 (void)fprintf(stderr, "[-m ...] [-s s1,s2 ] [-w num] "); 970 (void)fprintf(stderr, "[-i num] [-d ...]\n"); 971 exit(EXIT_FAILURE); 972 /* NOTREACHED */ 973 } 974
Indexes created Wed Sep 24 02:09:48 GMT 2025