/share/examples/ses/srcs/chpmon.c

https://bitbucket.org/freebsd/freebsd-head/ · C · 126 lines · 74 code · 6 blank · 46 comment · 15 complexity · 5715a39bb691359cb577e1883505a9bb MD5 · raw file

  1. /* $FreeBSD$ */
  2. /*
  3. * Copyright (c) 2000 by Matthew Jacob
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions, and the following disclaimer,
  11. * without modification, immediately at the beginning of the file.
  12. * 2. The name of the author may not be used to endorse or promote products
  13. * derived from this software without specific prior written permission.
  14. *
  15. * Alternatively, this software may be distributed under the terms of the
  16. * the GNU Public License ("GPL").
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  22. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28. * SUCH DAMAGE.
  29. *
  30. * Matthew Jacob
  31. * Feral Software
  32. * mjacob@feral.com
  33. */
  34. #include <unistd.h>
  35. #include <stdlib.h>
  36. #include <stdio.h>
  37. #include <fcntl.h>
  38. #include <errno.h>
  39. #include <sys/ioctl.h>
  40. #include "ses.h"
  41. /*
  42. * Continuously monitor all named SES devices
  43. * and turn all but INFO enclosure status
  44. * values into CRITICAL enclosure status.
  45. */
  46. #define BADSTAT \
  47. (SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL)
  48. int
  49. main(int a, char **v)
  50. {
  51. int fd, delay, dev;
  52. ses_encstat stat, *carray;
  53. if (a < 3) {
  54. fprintf(stderr, "usage: %s polling-interval device "
  55. "[ device ... ]\n", *v);
  56. return (1);
  57. }
  58. delay = atoi(v[1]);
  59. carray = malloc(a);
  60. if (carray == NULL) {
  61. perror("malloc");
  62. return (1);
  63. }
  64. bzero((void *)carray, a);
  65. for (;;) {
  66. for (dev = 2; dev < a; dev++) {
  67. fd = open(v[dev], O_RDWR);
  68. if (fd < 0) {
  69. perror(v[dev]);
  70. continue;
  71. }
  72. /*
  73. * First clear any enclosure status, in case it is
  74. * a latched status.
  75. */
  76. stat = 0;
  77. if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
  78. fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
  79. v[dev], strerror(errno));
  80. (void) close(fd);
  81. continue;
  82. }
  83. /*
  84. * Now get the actual current enclosure status.
  85. */
  86. if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
  87. fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
  88. v[dev], strerror(errno));
  89. (void) close(fd);
  90. continue;
  91. }
  92. if ((stat & BADSTAT) == 0) {
  93. if (carray[dev]) {
  94. fprintf(stdout, "%s: Clearing CRITICAL "
  95. "condition\n", v[dev]);
  96. carray[dev] = 0;
  97. }
  98. (void) close(fd);
  99. continue;
  100. }
  101. carray[dev] = 1;
  102. fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
  103. if (stat & SES_ENCSTAT_UNRECOV)
  104. fprintf(stdout, " UNRECOVERABLE");
  105. if (stat & SES_ENCSTAT_CRITICAL)
  106. fprintf(stdout, " CRITICAL");
  107. if (stat & SES_ENCSTAT_NONCRITICAL)
  108. fprintf(stdout, " NONCRITICAL");
  109. putchar('\n');
  110. stat = SES_ENCSTAT_CRITICAL;
  111. if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
  112. fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
  113. v[dev], strerror(errno));
  114. }
  115. (void) close(fd);
  116. }
  117. sleep(delay);
  118. }
  119. /* NOTREACHED */
  120. }