summaryrefslogtreecommitdiffstats
path: root/collectors/freeipmi.plugin/freeipmi_plugin.c
blob: bd3c533cad09c831154d4467cea3e5b242f02630 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
// SPDX-License-Identifier: GPL-3.0-or-later
/*
 *  netdata freeipmi.plugin
 *  Copyright (C) 2017 Costa Tsaousis
 *  GPL v3+
 *
 *  Based on:
 *  ipmimonitoring-sensors.c,v 1.51 2016/11/02 23:46:24 chu11 Exp
 *  ipmimonitoring-sel.c,v 1.51 2016/11/02 23:46:24 chu11 Exp
 *
 *  Copyright (C) 2007-2015 Lawrence Livermore National Security, LLC.
 *  Copyright (C) 2006-2007 The Regents of the University of California.
 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
 *  Written by Albert Chu <chu11@llnl.gov>
 *  UCRL-CODE-222073
 */

#include "../../libnetdata/libnetdata.h"

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <sys/time.h>

#ifdef HAVE_FREEIPMI

#define IPMI_PARSE_DEVICE_LAN_STR       "lan"
#define IPMI_PARSE_DEVICE_LAN_2_0_STR   "lan_2_0"
#define IPMI_PARSE_DEVICE_LAN_2_0_STR2  "lan20"
#define IPMI_PARSE_DEVICE_LAN_2_0_STR3  "lan_20"
#define IPMI_PARSE_DEVICE_LAN_2_0_STR4  "lan2_0"
#define IPMI_PARSE_DEVICE_LAN_2_0_STR5  "lanplus"
#define IPMI_PARSE_DEVICE_KCS_STR       "kcs"
#define IPMI_PARSE_DEVICE_SSIF_STR      "ssif"
#define IPMI_PARSE_DEVICE_OPENIPMI_STR  "openipmi"
#define IPMI_PARSE_DEVICE_OPENIPMI_STR2 "open"
#define IPMI_PARSE_DEVICE_SUNBMC_STR    "sunbmc"
#define IPMI_PARSE_DEVICE_SUNBMC_STR2   "bmc"
#define IPMI_PARSE_DEVICE_INTELDCMI_STR "inteldcmi"

// ----------------------------------------------------------------------------

// callback required by fatal()
void netdata_cleanup_and_exit(int ret) {
    exit(ret);
}

void send_statistics( const char *action, const char *action_result, const char *action_data) {
    (void)action;
    (void)action_result;
    (void)action_data;
    return;
}

// callbacks required by popen()
void signals_block(void) {};
void signals_unblock(void) {};
void signals_reset(void) {};

// callback required by eval()
int health_variable_lookup(const char *variable, uint32_t hash, struct rrdcalc *rc, calculated_number *result) {
    (void)variable;
    (void)hash;
    (void)rc;
    (void)result;
    return 0;
};

// required by get_system_cpus()
char *netdata_configured_host_prefix = "";

// ----------------------------------------------------------------------------

#include <ipmi_monitoring.h>
#include <ipmi_monitoring_bitmasks.h>

/* Communication Configuration - Initialize accordingly */

/* Hostname, NULL for In-band communication, non-null for a hostname */
char *hostname = NULL;

/* In-band Communication Configuration */
int driver_type = -1; // IPMI_MONITORING_DRIVER_TYPE_KCS; /* or -1 for default */
int disable_auto_probe = 0;     /* probe for in-band device */
unsigned int driver_address = 0; /* not used if probing */
unsigned int register_spacing = 0; /* not used if probing */
char *driver_device = NULL;     /* not used if probing */

/* Out-of-band Communication Configuration */
int protocol_version = -1; //IPMI_MONITORING_PROTOCOL_VERSION_1_5; /* or -1 for default */
char *username = "foousername";
char *password = "foopassword";
unsigned char *ipmi_k_g = NULL;
unsigned int ipmi_k_g_len = 0;
int privilege_level = -1; // IPMI_MONITORING_PRIVILEGE_LEVEL_USER; /* or -1 for default */
int authentication_type = -1; // IPMI_MONITORING_AUTHENTICATION_TYPE_MD5; /* or -1 for default */
int cipher_suite_id = 0;        /* or -1 for default */
int session_timeout = 0;        /* 0 for default */
int retransmission_timeout = 0; /* 0 for default */

/* Workarounds - specify workaround flags if necessary */
unsigned int workaround_flags = 0;

/* Initialize w/ record id numbers to only monitor specific record ids */
unsigned int record_ids[] = {0};
unsigned int record_ids_length = 0;

/* Initialize w/ sensor types to only monitor specific sensor types
 * see ipmi_monitoring.h sensor types list.
 */
unsigned int sensor_types[] = {0};
unsigned int sensor_types_length = 0;

/* Set to an appropriate alternate if desired */
char *sdr_cache_directory = "/tmp";
char *sensor_config_file = NULL;

/* Set to 1 or 0 to enable these sensor reading flags
 * - See ipmi_monitoring.h for descriptions of these flags.
 */
int reread_sdr_cache = 0;
int ignore_non_interpretable_sensors = 0;
int bridge_sensors = 0;
int interpret_oem_data = 0;
int shared_sensors = 0;
int discrete_reading = 1;
int ignore_scanning_disabled = 0;
int assume_bmc_owner = 0;
int entity_sensor_names = 0;

/* Initialization flags
 *
 * Most commonly bitwise OR IPMI_MONITORING_FLAGS_DEBUG and/or
 * IPMI_MONITORING_FLAGS_DEBUG_IPMI_PACKETS for extra debugging
 * information.
 */
unsigned int ipmimonitoring_init_flags = 0;

int errnum;

// ----------------------------------------------------------------------------
// SEL only variables

/* Initialize w/ date range to only monitoring specific date range */
char *date_begin = NULL;        /* use MM/DD/YYYY format */
char *date_end = NULL;          /* use MM/DD/YYYY format */

int assume_system_event_record = 0;

char *sel_config_file = NULL;


// ----------------------------------------------------------------------------
// functions common to sensors and SEL

static void
_init_ipmi_config (struct ipmi_monitoring_ipmi_config *ipmi_config)
{
    fatal_assert(ipmi_config);

    ipmi_config->driver_type = driver_type;
    ipmi_config->disable_auto_probe = disable_auto_probe;
    ipmi_config->driver_address = driver_address;
    ipmi_config->register_spacing = register_spacing;
    ipmi_config->driver_device = driver_device;

    ipmi_config->protocol_version = protocol_version;
    ipmi_config->username = username;
    ipmi_config->password = password;
    ipmi_config->k_g = ipmi_k_g;
    ipmi_config->k_g_len = ipmi_k_g_len;
    ipmi_config->privilege_level = privilege_level;
    ipmi_config->authentication_type = authentication_type;
    ipmi_config->cipher_suite_id = cipher_suite_id;
    ipmi_config->session_timeout_len = session_timeout;
    ipmi_config->retransmission_timeout_len = retransmission_timeout;

    ipmi_config->workaround_flags = workaround_flags;
}

#ifdef NETDATA_COMMENTED
static const char *
_get_sensor_type_string (int sensor_type)
{
    switch (sensor_type)
    {
        case IPMI_MONITORING_SENSOR_TYPE_RESERVED:
            return ("Reserved");
        case IPMI_MONITORING_SENSOR_TYPE_TEMPERATURE:
            return ("Temperature");
        case IPMI_MONITORING_SENSOR_TYPE_VOLTAGE:
            return ("Voltage");
        case IPMI_MONITORING_SENSOR_TYPE_CURRENT:
            return ("Current");
        case IPMI_MONITORING_SENSOR_TYPE_FAN:
            return ("Fan");
        case IPMI_MONITORING_SENSOR_TYPE_PHYSICAL_SECURITY:
            return ("Physical Security");
        case IPMI_MONITORING_SENSOR_TYPE_PLATFORM_SECURITY_VIOLATION_ATTEMPT:
            return ("Platform Security Violation Attempt");
        case IPMI_MONITORING_SENSOR_TYPE_PROCESSOR:
            return ("Processor");
        case IPMI_MONITORING_SENSOR_TYPE_POWER_SUPPLY:
            return ("Power Supply");
        case IPMI_MONITORING_SENSOR_TYPE_POWER_UNIT:
            return ("Power Unit");
        case IPMI_MONITORING_SENSOR_TYPE_COOLING_DEVICE:
            return ("Cooling Device");
        case IPMI_MONITORING_SENSOR_TYPE_OTHER_UNITS_BASED_SENSOR:
            return ("Other Units Based Sensor");
        case IPMI_MONITORING_SENSOR_TYPE_MEMORY:
            return ("Memory");
        case IPMI_MONITORING_SENSOR_TYPE_DRIVE_SLOT:
            return ("Drive Slot");
        case IPMI_MONITORING_SENSOR_TYPE_POST_MEMORY_RESIZE:
            return ("POST Memory Resize");
        case IPMI_MONITORING_SENSOR_TYPE_SYSTEM_FIRMWARE_PROGRESS:
            return ("System Firmware Progress");
        case IPMI_MONITORING_SENSOR_TYPE_EVENT_LOGGING_DISABLED:
            return ("Event Logging Disabled");
        case IPMI_MONITORING_SENSOR_TYPE_WATCHDOG1:
            return ("Watchdog 1");
        case IPMI_MONITORING_SENSOR_TYPE_SYSTEM_EVENT:
            return ("System Event");
        case IPMI_MONITORING_SENSOR_TYPE_CRITICAL_INTERRUPT:
            return ("Critical Interrupt");
        case IPMI_MONITORING_SENSOR_TYPE_BUTTON_SWITCH:
            return ("Button/Switch");
        case IPMI_MONITORING_SENSOR_TYPE_MODULE_BOARD:
            return ("Module/Board");
        case IPMI_MONITORING_SENSOR_TYPE_MICROCONTROLLER_COPROCESSOR:
            return ("Microcontroller/Coprocessor");
        case IPMI_MONITORING_SENSOR_TYPE_ADD_IN_CARD:
            return ("Add In Card");
        case IPMI_MONITORING_SENSOR_TYPE_CHASSIS:
            return ("Chassis");
        case IPMI_MONITORING_SENSOR_TYPE_CHIP_SET:
            return ("Chip Set");
        case IPMI_MONITORING_SENSOR_TYPE_OTHER_FRU:
            return ("Other Fru");
        case IPMI_MONITORING_SENSOR_TYPE_CABLE_INTERCONNECT:
            return ("Cable/Interconnect");
        case IPMI_MONITORING_SENSOR_TYPE_TERMINATOR:
            return ("Terminator");
        case IPMI_MONITORING_SENSOR_TYPE_SYSTEM_BOOT_INITIATED:
            return ("System Boot Initiated");
        case IPMI_MONITORING_SENSOR_TYPE_BOOT_ERROR:
            return ("Boot Error");
        case IPMI_MONITORING_SENSOR_TYPE_OS_BOOT:
            return ("OS Boot");
        case IPMI_MONITORING_SENSOR_TYPE_OS_CRITICAL_STOP:
            return ("OS Critical Stop");
        case IPMI_MONITORING_SENSOR_TYPE_SLOT_CONNECTOR:
            return ("Slot/Connector");
        case IPMI_MONITORING_SENSOR_TYPE_SYSTEM_ACPI_POWER_STATE:
            return ("System ACPI Power State");
        case IPMI_MONITORING_SENSOR_TYPE_WATCHDOG2:
            return ("Watchdog 2");
        case IPMI_MONITORING_SENSOR_TYPE_PLATFORM_ALERT:
            return ("Platform Alert");
        case IPMI_MONITORING_SENSOR_TYPE_ENTITY_PRESENCE:
            return ("Entity Presence");
        case IPMI_MONITORING_SENSOR_TYPE_MONITOR_ASIC_IC:
            return ("Monitor ASIC/IC");
        case IPMI_MONITORING_SENSOR_TYPE_LAN:
            return ("LAN");
        case IPMI_MONITORING_SENSOR_TYPE_MANAGEMENT_SUBSYSTEM_HEALTH:
            return ("Management Subsystem Health");
        case IPMI_MONITORING_SENSOR_TYPE_BATTERY:
            return ("Battery");
        case IPMI_MONITORING_SENSOR_TYPE_SESSION_AUDIT:
            return ("Session Audit");
        case IPMI_MONITORING_SENSOR_TYPE_VERSION_CHANGE:
            return ("Version Change");
        case IPMI_MONITORING_SENSOR_TYPE_FRU_STATE:
            return ("FRU State");
    }

    return ("Unrecognized");
}
#endif // NETDATA_COMMENTED


// ----------------------------------------------------------------------------
// BEGIN NETDATA CODE

static int debug = 0;

static int netdata_update_every = 5; // this is the minimum update frequency
static int netdata_priority = 90000;
static int netdata_do_sel = 1;

static size_t netdata_sensors_updated = 0;
static size_t netdata_sensors_collected = 0;
static size_t netdata_sel_events = 0;
static size_t netdata_sensors_states_nominal = 0;
static size_t netdata_sensors_states_warning = 0;
static size_t netdata_sensors_states_critical = 0;

struct sensor {
    int record_id;
    int sensor_number;
    int sensor_type;
    int sensor_state;
    int sensor_units;
    char *sensor_name;

    int sensor_reading_type;
    union {
        uint8_t bool_value;
        uint32_t uint32_value;
        double double_value;
    } sensor_reading;

    int sent;
    int ignore;
    int exposed;
    int updated;
    struct sensor *next;
} *sensors_root = NULL;

static void netdata_mark_as_not_updated() {
    struct sensor *sn;
    for(sn = sensors_root; sn ;sn = sn->next)
        sn->updated = sn->sent = 0;

    netdata_sensors_updated = 0;
    netdata_sensors_collected = 0;
    netdata_sel_events = 0;

    netdata_sensors_states_nominal = 0;
    netdata_sensors_states_warning = 0;
    netdata_sensors_states_critical = 0;
}

static void send_chart_to_netdata_for_units(int units) {
    struct sensor *sn, *sn_stored;
    int dupfound, multiplier;

    switch(units) {
        case IPMI_MONITORING_SENSOR_UNITS_CELSIUS:
            printf("CHART ipmi.temperatures_c '' 'System Celsius Temperatures read by IPMI' 'Celsius' 'temperatures' 'ipmi.temperatures_c' 'line' %d %d\n"
                   , netdata_priority + 10
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_FAHRENHEIT:
            printf("CHART ipmi.temperatures_f '' 'System Fahrenheit Temperatures read by IPMI' 'Fahrenheit' 'temperatures' 'ipmi.temperatures_f' 'line' %d %d\n"
                   , netdata_priority + 11
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_VOLTS:
            printf("CHART ipmi.volts '' 'System Voltages read by IPMI' 'Volts' 'voltages' 'ipmi.voltages' 'line' %d %d\n"
                   , netdata_priority + 12
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_AMPS:
            printf("CHART ipmi.amps '' 'System Current read by IPMI' 'Amps' 'current' 'ipmi.amps' 'line' %d %d\n"
                   , netdata_priority + 13
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_RPM:
            printf("CHART ipmi.rpm '' 'System Fans read by IPMI' 'RPM' 'fans' 'ipmi.rpm' 'line' %d %d\n"
                   , netdata_priority + 14
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_WATTS:
            printf("CHART ipmi.watts '' 'System Power read by IPMI' 'Watts' 'power' 'ipmi.watts' 'line' %d %d\n"
                   , netdata_priority + 5
                   , netdata_update_every
            );
            break;

        case IPMI_MONITORING_SENSOR_UNITS_PERCENT:
            printf("CHART ipmi.percent '' 'System Metrics read by IPMI' '%%' 'other' 'ipmi.percent' 'line' %d %d\n"
                   , netdata_priority + 15
                   , netdata_update_every
            );
            break;

        default:
            for(sn = sensors_root; sn; sn = sn->next)
                if(sn->sensor_units == units)
                    sn->ignore = 1;
            return;
    }

    for(sn = sensors_root; sn; sn = sn->next) {
        dupfound = 0;
        if(sn->sensor_units == units && sn->updated && !sn->ignore) {
            sn->exposed = 1;
            multiplier = 1;

            switch(sn->sensor_reading_type) {
                case IPMI_MONITORING_SENSOR_READING_TYPE_DOUBLE:
                    multiplier = 1000;
                    // fallthrough
                case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER8_BOOL:
                case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER32:
                    for (sn_stored = sensors_root; sn_stored; sn_stored = sn_stored->next) {
                        if (sn_stored == sn) continue;
                        // If the name is a duplicate, append the sensor number
                        if ( !strcmp(sn_stored->sensor_name, sn->sensor_name) ) {
                            dupfound = 1;
                            printf("DIMENSION i%d_n%d_r%d '%s i%d' absolute 1 %d\n"
                                   , sn->sensor_number
                                   , sn->record_id
                                   , sn->sensor_reading_type
                                   , sn->sensor_name
                                   , sn->sensor_number
                                   , multiplier
                            );
                            break;
                        }
                    }
                    // No duplicate name was found, display it just with Name
                    if (!dupfound) {
                        // display without ID
                        printf("DIMENSION i%d_n%d_r%d '%s' absolute 1 %d\n"
                               , sn->sensor_number
                               , sn->record_id
                               , sn->sensor_reading_type
                               , sn->sensor_name
                               , multiplier
                        );
                    }
                    break;

                default:
                    sn->ignore = 1;
                    break;
            }
        }
    }
}

static void send_metrics_to_netdata_for_units(int units) {
    struct sensor *sn;

    switch(units) {
        case IPMI_MONITORING_SENSOR_UNITS_CELSIUS:
            printf("BEGIN ipmi.temperatures_c\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_FAHRENHEIT:
            printf("BEGIN ipmi.temperatures_f\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_VOLTS:
            printf("BEGIN ipmi.volts\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_AMPS:
            printf("BEGIN ipmi.amps\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_RPM:
            printf("BEGIN ipmi.rpm\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_WATTS:
            printf("BEGIN ipmi.watts\n");
            break;

        case IPMI_MONITORING_SENSOR_UNITS_PERCENT:
            printf("BEGIN ipmi.percent\n");
            break;

        default:
            for(sn = sensors_root; sn; sn = sn->next)
                if(sn->sensor_units == units)
                    sn->ignore = 1;
            return;
    }

    for(sn = sensors_root; sn; sn = sn->next) {
        if(sn->sensor_units == units && sn->updated && !sn->sent && !sn->ignore) {
            netdata_sensors_updated++;

            sn->sent = 1;

            switch(sn->sensor_reading_type) {
                case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER8_BOOL:
                    printf("SET i%d_n%d_r%d = %u\n"
                           , sn->sensor_number
                           , sn->record_id
                           , sn->sensor_reading_type
                           , sn->sensor_reading.bool_value
                    );
                    break;

                case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER32:
                    printf("SET i%d_n%d_r%d = %u\n"
                           , sn->sensor_number
                           , sn->record_id
                           , sn->sensor_reading_type
                           , sn->sensor_reading.uint32_value
                    );
                    break;

                case IPMI_MONITORING_SENSOR_READING_TYPE_DOUBLE:
                    printf("SET i%d_n%d_r%d = %lld\n"
                           , sn->sensor_number
                           , sn->record_id
                           , sn->sensor_reading_type
                           , (long long int)(sn->sensor_reading.double_value * 1000)
                    );
                    break;

                default:
                    sn->ignore = 1;
                    break;
            }
        }
    }

    printf("END\n");
}

static void send_metrics_to_netdata() {
    static int sel_chart_generated = 0, sensors_states_chart_generated = 0;
    struct sensor *sn;

    if(netdata_do_sel && !sel_chart_generated) {
        sel_chart_generated = 1;
        printf("CHART ipmi.events '' 'IPMI Events' 'events' 'events' ipmi.sel area %d %d\n"
               , netdata_priority + 2
               , netdata_update_every
        );
        printf("DIMENSION events '' absolute 1 1\n");
    }

    if(!sensors_states_chart_generated) {
        sensors_states_chart_generated = 1;
        printf("CHART ipmi.sensors_states '' 'IPMI Sensors State' 'sensors' 'states' ipmi.sensors_states line %d %d\n"
               , netdata_priority + 1
               , netdata_update_every
        );
        printf("DIMENSION nominal '' absolute 1 1\n");
        printf("DIMENSION critical '' absolute 1 1\n");
        printf("DIMENSION warning '' absolute 1 1\n");
    }

    // generate the CHART/DIMENSION lines, if we have to
    for(sn = sensors_root; sn; sn = sn->next)
        if(sn->updated && !sn->exposed && !sn->ignore)
            send_chart_to_netdata_for_units(sn->sensor_units);

    if(netdata_do_sel) {
        printf(
                "BEGIN ipmi.events\n"
                "SET events = %zu\n"
                "END\n"
                , netdata_sel_events
        );
    }

    printf(
           "BEGIN ipmi.sensors_states\n"
           "SET nominal = %zu\n"
           "SET warning = %zu\n"
           "SET critical = %zu\n"
           "END\n"
           , netdata_sensors_states_nominal
           , netdata_sensors_states_warning
           , netdata_sensors_states_critical
    );

    // send metrics to netdata
    for(sn = sensors_root; sn; sn = sn->next)
        if(sn->updated && sn->exposed && !sn->sent && !sn->ignore)
            send_metrics_to_netdata_for_units(sn->sensor_units);

}

static int *excluded_record_ids = NULL;
size_t excluded_record_ids_length = 0;

static void excluded_record_ids_parse(const char *s) {
    if(!s) return;

    while(*s) {
        while(*s && !isdigit(*s)) s++;

        if(isdigit(*s)) {
            char *e;
            unsigned long n = strtoul(s, &e, 10);
            s = e;

            if(n != 0) {
                excluded_record_ids = realloc(excluded_record_ids, (excluded_record_ids_length + 1) * sizeof(int));
                if(!excluded_record_ids) {
                    fprintf(stderr, "freeipmi.plugin: failed to allocate memory. Exiting.");
                    exit(1);
                }
                excluded_record_ids[excluded_record_ids_length++] = (int)n;
            }
        }
    }

    if(debug) {
        fprintf(stderr, "freeipmi.plugin: excluded record ids:");
        size_t i;
        for(i = 0; i < excluded_record_ids_length; i++) {
            fprintf(stderr, " %d", excluded_record_ids[i]);
        }
        fprintf(stderr, "\n");
    }
}

static int *excluded_status_record_ids = NULL;
size_t excluded_status_record_ids_length = 0;

static void excluded_status_record_ids_parse(const char *s) {
    if(!s) return;

    while(*s) {
        while(*s && !isdigit(*s)) s++;

        if(isdigit(*s)) {
            char *e;
            unsigned long n = strtoul(s, &e, 10);
            s = e;

            if(n != 0) {
                excluded_status_record_ids = realloc(excluded_status_record_ids, (excluded_status_record_ids_length + 1) * sizeof(int));
                if(!excluded_status_record_ids) {
                    fprintf(stderr, "freeipmi.plugin: failed to allocate memory. Exiting.");
                    exit(1);
                }
                excluded_status_record_ids[excluded_status_record_ids_length++] = (int)n;
            }
        }
    }

    if(debug) {
        fprintf(stderr, "freeipmi.plugin: excluded status record ids:");
        size_t i;
        for(i = 0; i < excluded_status_record_ids_length; i++) {
            fprintf(stderr, " %d", excluded_status_record_ids[i]);
        }
        fprintf(stderr, "\n");
    }
}


static int excluded_record_ids_check(int record_id) {
    size_t i;

    for(i = 0; i < excluded_record_ids_length; i++) {
        if(excluded_record_ids[i] == record_id)
            return 1;
    }

    return 0;
}

static int excluded_status_record_ids_check(int record_id) {
    size_t i;

    for(i = 0; i < excluded_status_record_ids_length; i++) {
        if(excluded_status_record_ids[i] == record_id)
            return 1;
    }

    return 0;
}

static void netdata_get_sensor(
          int record_id
        , int sensor_number
        , int sensor_type
        , int sensor_state
        , int sensor_units
        , int sensor_reading_type
        , char *sensor_name
        , void *sensor_reading
) {
    // find the sensor record
    struct sensor *sn;
    for(sn = sensors_root; sn ;sn = sn->next)
        if(     sn->record_id           == record_id &&
                sn->sensor_number       == sensor_number &&
                sn->sensor_reading_type == sensor_reading_type &&
                sn->sensor_units        == sensor_units &&
                !strcmp(sn->sensor_name, sensor_name)
                )
            break;

    if(!sn) {
        // not found, create it
        // check if it is excluded
        if(excluded_record_ids_check(record_id)) {
            if(debug) fprintf(stderr, "Sensor '%s' is excluded by excluded_record_ids_check()\n", sensor_name);
            return;
        }

        if(debug) fprintf(stderr, "Allocating new sensor data record for sensor '%s', id %d, number %d, type %d, state %d, units %d, reading_type %d\n", sensor_name, record_id, sensor_number, sensor_type, sensor_state, sensor_units, sensor_reading_type);

        sn = calloc(1, sizeof(struct sensor));
        if(!sn) {
            fatal("cannot allocate %zu bytes of memory.", sizeof(struct sensor));
        }

        sn->record_id = record_id;
        sn->sensor_number = sensor_number;
        sn->sensor_type = sensor_type;
        sn->sensor_state = sensor_state;
        sn->sensor_units = sensor_units;
        sn->sensor_reading_type = sensor_reading_type;
        sn->sensor_name = strdup(sensor_name);
        if(!sn->sensor_name) {
            fatal("cannot allocate %zu bytes of memory.", strlen(sensor_name));
        }

        sn->next = sensors_root;
        sensors_root = sn;
    }
    else {
        if(debug) fprintf(stderr, "Reusing sensor record for sensor '%s', id %d, number %d, type %d, state %d, units %d, reading_type %d\n", sensor_name, record_id, sensor_number, sensor_type, sensor_state, sensor_units, sensor_reading_type);
    }

    switch(sensor_reading_type) {
        case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER8_BOOL:
            sn->sensor_reading.bool_value = *((uint8_t *)sensor_reading);
            sn->updated = 1;
            netdata_sensors_collected++;
            break;

        case IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER32:
            sn->sensor_reading.uint32_value = *((uint32_t *)sensor_reading);
            sn->updated = 1;
            netdata_sensors_collected++;
            break;

        case IPMI_MONITORING_SENSOR_READING_TYPE_DOUBLE:
            sn->sensor_reading.double_value = *((double *)sensor_reading);
            sn->updated = 1;
            netdata_sensors_collected++;
            break;

        default:
            if(debug) fprintf(stderr, "Unknown reading type - Ignoring sensor record for sensor '%s', id %d, number %d, type %d, state %d, units %d, reading_type %d\n", sensor_name, record_id, sensor_number, sensor_type, sensor_state, sensor_units, sensor_reading_type);
            sn->ignore = 1;
            break;
    }

    // check if it is excluded
    if(excluded_status_record_ids_check(record_id)) {
        if(debug) fprintf(stderr, "Sensor '%s' is excluded for status check, by excluded_status_record_ids_check()\n", sensor_name);
        return;
    }

    switch(sensor_state) {
        case IPMI_MONITORING_STATE_NOMINAL:
            netdata_sensors_states_nominal++;
            break;

        case IPMI_MONITORING_STATE_WARNING:
            netdata_sensors_states_warning++;
            break;

        case IPMI_MONITORING_STATE_CRITICAL:
            netdata_sensors_states_critical++;
            break;

        default:
            break;
    }
}

static void netdata_get_sel(
          int record_id
        , int record_type_class
        , int sel_state
) {
    (void)record_id;
    (void)record_type_class;
    (void)sel_state;

    netdata_sel_events++;
}


// END NETDATA CODE
// ----------------------------------------------------------------------------


static int
_ipmimonitoring_sensors (struct ipmi_monitoring_ipmi_config *ipmi_config)
{
    ipmi_monitoring_ctx_t ctx = NULL;
    unsigned int sensor_reading_flags = 0;
    int i;
    int sensor_count;
    int rv = -1;

    if (!(ctx = ipmi_monitoring_ctx_create ())) {
        error("ipmi_monitoring_ctx_create()");
        goto cleanup;
    }

    if (sdr_cache_directory)
    {
        if (ipmi_monitoring_ctx_sdr_cache_directory (ctx,
                sdr_cache_directory) < 0)
        {
            error("ipmi_monitoring_ctx_sdr_cache_directory(): %s\n",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

    /* Must call otherwise only default interpretations ever used */
    if (sensor_config_file)
    {
        if (ipmi_monitoring_ctx_sensor_config_file (ctx,
                sensor_config_file) < 0)
        {
            error( "ipmi_monitoring_ctx_sensor_config_file(): %s\n",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else
    {
        if (ipmi_monitoring_ctx_sensor_config_file (ctx, NULL) < 0)
        {
            error( "ipmi_monitoring_ctx_sensor_config_file(): %s\n",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

    if (reread_sdr_cache)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_REREAD_SDR_CACHE;

    if (ignore_non_interpretable_sensors)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_IGNORE_NON_INTERPRETABLE_SENSORS;

    if (bridge_sensors)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_BRIDGE_SENSORS;

    if (interpret_oem_data)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_INTERPRET_OEM_DATA;

    if (shared_sensors)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_SHARED_SENSORS;

    if (discrete_reading)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_DISCRETE_READING;

    if (ignore_scanning_disabled)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_IGNORE_SCANNING_DISABLED;

    if (assume_bmc_owner)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_ASSUME_BMC_OWNER;

#ifdef IPMI_MONITORING_SENSOR_READING_FLAGS_ENTITY_SENSOR_NAMES
    if (entity_sensor_names)
        sensor_reading_flags |= IPMI_MONITORING_SENSOR_READING_FLAGS_ENTITY_SENSOR_NAMES;
#endif // IPMI_MONITORING_SENSOR_READING_FLAGS_ENTITY_SENSOR_NAMES

    if (!record_ids_length && !sensor_types_length)
    {
        if ((sensor_count = ipmi_monitoring_sensor_readings_by_record_id (ctx,
                hostname,
                ipmi_config,
                sensor_reading_flags,
                NULL,
                0,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sensor_readings_by_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else if (record_ids_length)
    {
        if ((sensor_count = ipmi_monitoring_sensor_readings_by_record_id (ctx,
                hostname,
                ipmi_config,
                sensor_reading_flags,
                record_ids,
                record_ids_length,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sensor_readings_by_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else
    {
        if ((sensor_count = ipmi_monitoring_sensor_readings_by_sensor_type (ctx,
                hostname,
                ipmi_config,
                sensor_reading_flags,
                sensor_types,
                sensor_types_length,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sensor_readings_by_sensor_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

#ifdef NETDATA_COMMENTED
    printf ("%s, %s, %s, %s, %s, %s, %s, %s, %s, %s\n",
            "Record ID",
            "Sensor Name",
            "Sensor Number",
            "Sensor Type",
            "Sensor State",
            "Sensor Reading",
            "Sensor Units",
            "Sensor Event/Reading Type Code",
            "Sensor Event Bitmask",
            "Sensor Event String");
#endif // NETDATA_COMMENTED

    for (i = 0; i < sensor_count; i++, ipmi_monitoring_sensor_iterator_next (ctx))
    {
        int record_id, sensor_number, sensor_type, sensor_state, sensor_units,
                sensor_reading_type;

#ifdef NETDATA_COMMENTED
        int sensor_bitmask_type, sensor_bitmask, event_reading_type_code;
        char **sensor_bitmask_strings = NULL;
        const char *sensor_type_str;
        const char *sensor_state_str;
#endif // NETDATA_COMMENTED

        char *sensor_name = NULL;
        void *sensor_reading;

        if ((record_id = ipmi_monitoring_sensor_read_record_id (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((sensor_number = ipmi_monitoring_sensor_read_sensor_number (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_number(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((sensor_type = ipmi_monitoring_sensor_read_sensor_type (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if (!(sensor_name = ipmi_monitoring_sensor_read_sensor_name (ctx)))
        {
            error( "ipmi_monitoring_sensor_read_sensor_name(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((sensor_state = ipmi_monitoring_sensor_read_sensor_state (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_state(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((sensor_units = ipmi_monitoring_sensor_read_sensor_units (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_units(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

#ifdef NETDATA_COMMENTED
        if ((sensor_bitmask_type = ipmi_monitoring_sensor_read_sensor_bitmask_type (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_bitmask_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
        if ((sensor_bitmask = ipmi_monitoring_sensor_read_sensor_bitmask (ctx)) < 0)
        {
            error(
                   "ipmi_monitoring_sensor_read_sensor_bitmask(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

         /* it's ok for this to be NULL, i.e. sensor_bitmask ==
          * IPMI_MONITORING_SENSOR_BITMASK_TYPE_UNKNOWN
          */
        sensor_bitmask_strings = ipmi_monitoring_sensor_read_sensor_bitmask_strings (ctx);
        
        
        
#endif // NETDATA_COMMENTED

        if ((sensor_reading_type = ipmi_monitoring_sensor_read_sensor_reading_type (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_sensor_reading_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        sensor_reading = ipmi_monitoring_sensor_read_sensor_reading (ctx);

#ifdef NETDATA_COMMENTED
        if ((event_reading_type_code = ipmi_monitoring_sensor_read_event_reading_type_code (ctx)) < 0)
        {
            error( "ipmi_monitoring_sensor_read_event_reading_type_code(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
#endif // NETDATA_COMMENTED

        netdata_get_sensor(
                record_id
                , sensor_number
                , sensor_type
                , sensor_state
                , sensor_units
                , sensor_reading_type
                , sensor_name
                , sensor_reading
        );

#ifdef NETDATA_COMMENTED
        if (!strlen (sensor_name))
            sensor_name = "N/A";

        sensor_type_str = _get_sensor_type_string (sensor_type);

        printf ("%d, %s, %d, %s",
                record_id,
                sensor_name,
                sensor_number,
                sensor_type_str);

        if (sensor_state == IPMI_MONITORING_STATE_NOMINAL)
            sensor_state_str = "Nominal";
        else if (sensor_state == IPMI_MONITORING_STATE_WARNING)
            sensor_state_str = "Warning";
        else if (sensor_state == IPMI_MONITORING_STATE_CRITICAL)
            sensor_state_str = "Critical";
        else
            sensor_state_str = "N/A";

        printf (", %s", sensor_state_str);

        if (sensor_reading)
        {
            const char *sensor_units_str;

            if (sensor_reading_type == IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER8_BOOL)
                printf (", %s",
                        (*((uint8_t *)sensor_reading) ? "true" : "false"));
            else if (sensor_reading_type == IPMI_MONITORING_SENSOR_READING_TYPE_UNSIGNED_INTEGER32)
                printf (", %u",
                        *((uint32_t *)sensor_reading));
            else if (sensor_reading_type == IPMI_MONITORING_SENSOR_READING_TYPE_DOUBLE)
                printf (", %.2f",
                        *((double *)sensor_reading));
            else
                printf (", N/A");

            if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_CELSIUS)
                sensor_units_str = "C";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_FAHRENHEIT)
                sensor_units_str = "F";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_VOLTS)
                sensor_units_str = "V";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_AMPS)
                sensor_units_str = "A";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_RPM)
                sensor_units_str = "RPM";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_WATTS)
                sensor_units_str = "W";
            else if (sensor_units == IPMI_MONITORING_SENSOR_UNITS_PERCENT)
                sensor_units_str = "%";
            else
                sensor_units_str = "N/A";

            printf (", %s", sensor_units_str);
        }
        else
            printf (", N/A, N/A");

        printf (", %Xh", event_reading_type_code);

        /* It is possible you may want to monitor specific event
         * conditions that may occur.  If that is the case, you may want
         * to check out what specific bitmask type and bitmask events
         * occurred.  See ipmi_monitoring_bitmasks.h for a list of
         * bitmasks and types.
         */

        if (sensor_bitmask_type != IPMI_MONITORING_SENSOR_BITMASK_TYPE_UNKNOWN)
            printf (", %Xh", sensor_bitmask);
        else
            printf (", N/A");

        if (sensor_bitmask_type != IPMI_MONITORING_SENSOR_BITMASK_TYPE_UNKNOWN
            && sensor_bitmask_strings)
        {
            unsigned int i = 0;

            printf (",");

            while (sensor_bitmask_strings[i])
            {
                printf (" ");

                printf ("'%s'",
                        sensor_bitmask_strings[i]);

                i++;
            }
        }
        else
            printf (", N/A");

        printf ("\n");
#endif // NETDATA_COMMENTED
    }

    rv = 0;
    cleanup:
    if (ctx)
        ipmi_monitoring_ctx_destroy (ctx);
    return (rv);
}


static int
_ipmimonitoring_sel (struct ipmi_monitoring_ipmi_config *ipmi_config)
{
    ipmi_monitoring_ctx_t ctx = NULL;
    unsigned int sel_flags = 0;
    int i;
    int sel_count;
    int rv = -1;

    if (!(ctx = ipmi_monitoring_ctx_create ()))
    {
        error("ipmi_monitoring_ctx_create()");
        goto cleanup;
    }

    if (sdr_cache_directory)
    {
        if (ipmi_monitoring_ctx_sdr_cache_directory (ctx,
                sdr_cache_directory) < 0)
        {
            error( "ipmi_monitoring_ctx_sdr_cache_directory(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

    /* Must call otherwise only default interpretations ever used */
    if (sel_config_file)
    {
        if (ipmi_monitoring_ctx_sel_config_file (ctx,
                sel_config_file) < 0)
        {
            error( "ipmi_monitoring_ctx_sel_config_file(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else
    {
        if (ipmi_monitoring_ctx_sel_config_file (ctx, NULL) < 0)
        {
            error( "ipmi_monitoring_ctx_sel_config_file(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

    if (reread_sdr_cache)
        sel_flags |= IPMI_MONITORING_SEL_FLAGS_REREAD_SDR_CACHE;

    if (interpret_oem_data)
        sel_flags |= IPMI_MONITORING_SEL_FLAGS_INTERPRET_OEM_DATA;

    if (assume_system_event_record)
        sel_flags |= IPMI_MONITORING_SEL_FLAGS_ASSUME_SYSTEM_EVENT_RECORD;

#ifdef IPMI_MONITORING_SEL_FLAGS_ENTITY_SENSOR_NAMES
    if (entity_sensor_names)
        sel_flags |= IPMI_MONITORING_SEL_FLAGS_ENTITY_SENSOR_NAMES;
#endif // IPMI_MONITORING_SEL_FLAGS_ENTITY_SENSOR_NAMES

    if (record_ids_length)
    {
        if ((sel_count = ipmi_monitoring_sel_by_record_id (ctx,
                hostname,
                ipmi_config,
                sel_flags,
                record_ids,
                record_ids_length,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sel_by_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else if (sensor_types_length)
    {
        if ((sel_count = ipmi_monitoring_sel_by_sensor_type (ctx,
                hostname,
                ipmi_config,
                sel_flags,
                sensor_types,
                sensor_types_length,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sel_by_sensor_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else if (date_begin
             || date_end)
    {
        if ((sel_count = ipmi_monitoring_sel_by_date_range (ctx,
                hostname,
                ipmi_config,
                sel_flags,
                date_begin,
                date_end,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sel_by_sensor_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }
    else
    {
        if ((sel_count = ipmi_monitoring_sel_by_record_id (ctx,
                hostname,
                ipmi_config,
                sel_flags,
                NULL,
                0,
                NULL,
                NULL)) < 0)
        {
            error( "ipmi_monitoring_sel_by_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }
    }

#ifdef NETDATA_COMMENTED
    printf ("%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s\n",
            "Record ID",
            "Record Type",
            "SEL State",
            "Timestamp",
            "Sensor Name",
            "Sensor Type",
            "Event Direction",
            "Event Type Code",
            "Event Data",
            "Event Offset",
            "Event Offset String");
#endif // NETDATA_COMMENTED

    for (i = 0; i < sel_count; i++, ipmi_monitoring_sel_iterator_next (ctx))
    {
        int record_id, record_type, sel_state, record_type_class;
#ifdef NETDATA_COMMENTED
        int sensor_type, sensor_number, event_direction,
                event_offset_type, event_offset, event_type_code, manufacturer_id;
        unsigned int timestamp, event_data1, event_data2, event_data3;
        char *event_offset_string = NULL;
        const char *sensor_type_str;
        const char *event_direction_str;
        const char *sel_state_str;
        char *sensor_name = NULL;
        unsigned char oem_data[64];
        int oem_data_len;
        unsigned int j;
#endif // NETDATA_COMMENTED

        if ((record_id = ipmi_monitoring_sel_read_record_id (ctx)) < 0)
        {
            error( "ipmi_monitoring_sel_read_record_id(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((record_type = ipmi_monitoring_sel_read_record_type (ctx)) < 0)
        {
            error( "ipmi_monitoring_sel_read_record_type(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((record_type_class = ipmi_monitoring_sel_read_record_type_class (ctx)) < 0)
        {
            error( "ipmi_monitoring_sel_read_record_type_class(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        if ((sel_state = ipmi_monitoring_sel_read_sel_state (ctx)) < 0)
        {
            error( "ipmi_monitoring_sel_read_sel_state(): %s",
                    ipmi_monitoring_ctx_errormsg (ctx));
            goto cleanup;
        }

        netdata_get_sel(
                  record_id
                , record_type_class
                , sel_state
        );

#ifdef NETDATA_COMMENTED
        if (sel_state == IPMI_MONITORING_STATE_NOMINAL)
            sel_state_str = "Nominal";
        else if (sel_state == IPMI_MONITORING_STATE_WARNING)
            sel_state_str = "Warning";
        else if (sel_state == IPMI_MONITORING_STATE_CRITICAL)
            sel_state_str = "Critical";
        else
            sel_state_str = "N/A";

        printf ("%d, %d, %s",
                record_id,
                record_type,
                sel_state_str);

        if (record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_SYSTEM_EVENT_RECORD
            || record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_TIMESTAMPED_OEM_RECORD)
        {

            if (ipmi_monitoring_sel_read_timestamp (ctx, &timestamp) < 0)
            {
                error( "ipmi_monitoring_sel_read_timestamp(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            /* XXX: This should be converted to a nice date output using
             * your favorite timestamp -> string conversion functions.
             */
            printf (", %u", timestamp);
        }
        else
            printf (", N/A");

        if (record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_SYSTEM_EVENT_RECORD)
        {
            /* If you are integrating ipmimonitoring SEL into a monitoring application,
             * you may wish to count the number of times a specific error occurred
             * and report that to the monitoring application.
             *
             * In this particular case, you'll probably want to check out
             * what sensor type each SEL event is reporting, the
             * event offset type, and the specific event offset that occurred.
             *
             * See ipmi_monitoring_offsets.h for a list of event offsets
             * and types.
             */

            if (!(sensor_name = ipmi_monitoring_sel_read_sensor_name (ctx)))
            {
                error( "ipmi_monitoring_sel_read_sensor_name(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((sensor_type = ipmi_monitoring_sel_read_sensor_type (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_sensor_type(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((sensor_number = ipmi_monitoring_sel_read_sensor_number (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_sensor_number(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((event_direction = ipmi_monitoring_sel_read_event_direction (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_event_direction(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((event_type_code = ipmi_monitoring_sel_read_event_type_code (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_event_type_code(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if (ipmi_monitoring_sel_read_event_data (ctx,
                    &event_data1,
                    &event_data2,
                    &event_data3) < 0)
            {
                error( "ipmi_monitoring_sel_read_event_data(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((event_offset_type = ipmi_monitoring_sel_read_event_offset_type (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_event_offset_type(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if ((event_offset = ipmi_monitoring_sel_read_event_offset (ctx)) < 0)
            {
                error( "ipmi_monitoring_sel_read_event_offset(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if (!(event_offset_string = ipmi_monitoring_sel_read_event_offset_string (ctx)))
            {
                error( "ipmi_monitoring_sel_read_event_offset_string(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            if (!strlen (sensor_name))
                sensor_name = "N/A";

            sensor_type_str = _get_sensor_type_string (sensor_type);

            if (event_direction == IPMI_MONITORING_SEL_EVENT_DIRECTION_ASSERTION)
                event_direction_str = "Assertion";
            else
                event_direction_str = "Deassertion";

            printf (", %s, %s, %d, %s, %Xh, %Xh-%Xh-%Xh",
                    sensor_name,
                    sensor_type_str,
                    sensor_number,
                    event_direction_str,
                    event_type_code,
                    event_data1,
                    event_data2,
                    event_data3);

            if (event_offset_type != IPMI_MONITORING_EVENT_OFFSET_TYPE_UNKNOWN)
                printf (", %Xh", event_offset);
            else
                printf (", N/A");

            if (event_offset_type != IPMI_MONITORING_EVENT_OFFSET_TYPE_UNKNOWN)
                printf (", %s", event_offset_string);
            else
                printf (", N/A");
        }
        else if (record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_TIMESTAMPED_OEM_RECORD
                 || record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_NON_TIMESTAMPED_OEM_RECORD)
        {
            if (record_type_class == IPMI_MONITORING_SEL_RECORD_TYPE_CLASS_TIMESTAMPED_OEM_RECORD)
            {
                if ((manufacturer_id = ipmi_monitoring_sel_read_manufacturer_id (ctx)) < 0)
                {
                    error( "ipmi_monitoring_sel_read_manufacturer_id(): %s",
                            ipmi_monitoring_ctx_errormsg (ctx));
                    goto cleanup;
                }

                printf (", Manufacturer ID = %Xh", manufacturer_id);
            }

            if ((oem_data_len = ipmi_monitoring_sel_read_oem_data (ctx, oem_data, 1024)) < 0)
            {
                error( "ipmi_monitoring_sel_read_oem_data(): %s",
                        ipmi_monitoring_ctx_errormsg (ctx));
                goto cleanup;
            }

            printf (", OEM Data = ");

            for (j = 0; j < oem_data_len; j++)
                printf ("%02Xh ", oem_data[j]);
        }
        else
            printf (", N/A, N/A, N/A, N/A, N/A, N/A, N/A");

        printf ("\n");
#endif // NETDATA_COMMENTED
    }

    rv = 0;
    cleanup:
    if (ctx)
        ipmi_monitoring_ctx_destroy (ctx);
    return (rv);
}

// ----------------------------------------------------------------------------
// MAIN PROGRAM FOR NETDATA PLUGIN

int ipmi_collect_data(struct ipmi_monitoring_ipmi_config *ipmi_config) {
    errno = 0;

    if (_ipmimonitoring_sensors(ipmi_config) < 0) return -1;

    if(netdata_do_sel) {
        if(_ipmimonitoring_sel(ipmi_config) < 0) return -2;
    }

    return 0;
}

int ipmi_detect_speed_secs(struct ipmi_monitoring_ipmi_config *ipmi_config) {
    int i, checks = 10;
    unsigned long long total = 0;

    for(i = 0 ; i < checks ; i++) {
        if(debug) fprintf(stderr, "freeipmi.plugin: checking data collection speed iteration %d of %d\n", i+1, checks);

        // measure the time a data collection needs
        unsigned long long start = now_realtime_usec();
        if(ipmi_collect_data(ipmi_config) < 0)
            fatal("freeipmi.plugin: data collection failed.");

        unsigned long long end = now_realtime_usec();

        if(debug) fprintf(stderr, "freeipmi.plugin: data collection speed was %llu usec\n", end - start);

        // add it to our total
        total += end - start;

        // wait the same time
        // to avoid flooding the IPMI processor with requests
        sleep_usec(end - start);
    }

    // so, we assume it needed 2x the time
    // we find the average in microseconds
    // and we round-up to the closest second

    return (int)(( total * 2 / checks / 1000000 ) + 1);
}

int parse_inband_driver_type (const char *str)
{
    fatal_assert(str);

    if (strcasecmp (str, IPMI_PARSE_DEVICE_KCS_STR) == 0)
        return (IPMI_MONITORING_DRIVER_TYPE_KCS);
    else if (strcasecmp (str, IPMI_PARSE_DEVICE_SSIF_STR) == 0)
        return (IPMI_MONITORING_DRIVER_TYPE_SSIF);
        /* support "open" for those that might be used to
		 * ipmitool.
		 */
    else if (strcasecmp (str, IPMI_PARSE_DEVICE_OPENIPMI_STR) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_OPENIPMI_STR2) == 0)
        return (IPMI_MONITORING_DRIVER_TYPE_OPENIPMI);
        /* support "bmc" for those that might be used to
		 * ipmitool.
		 */
    else if (strcasecmp (str, IPMI_PARSE_DEVICE_SUNBMC_STR) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_SUNBMC_STR2) == 0)
        return (IPMI_MONITORING_DRIVER_TYPE_SUNBMC);

    return (-1);
}

int parse_outofband_driver_type (const char *str)
{
    fatal_assert(str);

    if (strcasecmp (str, IPMI_PARSE_DEVICE_LAN_STR) == 0)
        return (IPMI_MONITORING_PROTOCOL_VERSION_1_5);
        /* support "lanplus" for those that might be used to ipmitool.
		 * support typo variants to ease.
		 */
    else if (strcasecmp (str, IPMI_PARSE_DEVICE_LAN_2_0_STR) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_LAN_2_0_STR2) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_LAN_2_0_STR3) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_LAN_2_0_STR4) == 0
             || strcasecmp (str, IPMI_PARSE_DEVICE_LAN_2_0_STR5) == 0)
        return (IPMI_MONITORING_PROTOCOL_VERSION_2_0);

    return (-1);
}

int main (int argc, char **argv) {

    // ------------------------------------------------------------------------
    // initialization of netdata plugin

    program_name = "freeipmi.plugin";

    // disable syslog
    error_log_syslog = 0;

    // set errors flood protection to 100 logs per hour
    error_log_errors_per_period = 100;
    error_log_throttle_period = 3600;


    // ------------------------------------------------------------------------
    // parse command line parameters

    int i, freq = 0;
    for(i = 1; i < argc ; i++) {
        if(isdigit(*argv[i]) && !freq) {
            int n = str2i(argv[i]);
            if(n > 0 && n < 86400) {
                freq = n;
                continue;
            }
        }
        else if(strcmp("version", argv[i]) == 0 || strcmp("-version", argv[i]) == 0 || strcmp("--version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0 || strcmp("-V", argv[i]) == 0) {
            printf("freeipmi.plugin %s\n", VERSION);
            exit(0);
        }
        else if(strcmp("debug", argv[i]) == 0) {
            debug = 1;
            continue;
        }
        else if(strcmp("sel", argv[i]) == 0) {
            netdata_do_sel = 1;
            continue;
        }
        else if(strcmp("no-sel", argv[i]) == 0) {
            netdata_do_sel = 0;
            continue;
        }
        else if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
            fprintf(stderr,
                    "\n"
                    " netdata freeipmi.plugin %s\n"
                    " Copyright (C) 2016-2017 Costa Tsaousis <costa@tsaousis.gr>\n"
                    " Released under GNU General Public License v3 or later.\n"
                    " All rights reserved.\n"
                    "\n"
                    " This program is a data collector plugin for netdata.\n"
                    "\n"
                    " Available command line options:\n"
                    "\n"
                    "  SECONDS                 data collection frequency\n"
                    "                          minimum: %d\n"
                    "\n"
                    "  debug                   enable verbose output\n"
                    "                          default: disabled\n"
                    "\n"
                    "  sel\n"
                    "  no-sel                  enable/disable SEL collection\n"
                    "                          default: %s\n"
                    "\n"
                    "  hostname HOST\n"
                    "  username USER\n"
                    "  password PASS           connect to remote IPMI host\n"
                    "                          default: local IPMI processor\n"
                    "\n"
                    " driver-type IPMIDRIVER\n"
                    "                          Specify the driver type to use instead of doing an auto selection. \n"
                    "                          The currently available outofband drivers are LAN and  LAN_2_0,\n"
                    "                          which  perform  IPMI  1.5  and  IPMI  2.0 respectively. \n"
                    "                          The currently available inband drivers are KCS, SSIF, OPENIPMI and SUNBMC.\n"
                    "\n"
                    "  sdr-cache-dir PATH      directory for SDR cache files\n"
                    "                          default: %s\n"
                    "\n"
                    "  sensor-config-file FILE filename to read sensor configuration\n"
                    "                          default: %s\n"
                    "\n"
                    "  ignore N1,N2,N3,...     sensor IDs to ignore\n"
                    "                          default: none\n"
                    "\n"
                    "  ignore-status N1,N2,N3,... sensor IDs to ignore status (nominal/warning/critical)\n"
                    "                          default: none\n"
                    "\n"
                    "  -v\n"
                    "  -V\n"
                    "  version                 print version and exit\n"
                    "\n"
                    " Linux kernel module for IPMI is CPU hungry.\n"
                    " On Linux run this to lower kipmiN CPU utilization:\n"
                    " # echo 10 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us\n"
                    "\n"
                    " or create: /etc/modprobe.d/ipmi.conf with these contents:\n"
                    " options ipmi_si kipmid_max_busy_us=10\n"
                    "\n"
                    " For more information:\n"
                    " https://github.com/netdata/netdata/tree/master/collectors/freeipmi.plugin\n"
                    "\n"
                    , VERSION
                    , netdata_update_every
                    , netdata_do_sel?"enabled":"disabled"
                    , sdr_cache_directory?sdr_cache_directory:"system default"
                    , sensor_config_file?sensor_config_file:"system default"
            );
            exit(1);
        }
        else if(i < argc && strcmp("hostname", argv[i]) == 0) {
            hostname = strdupz(argv[++i]);
            char *s = argv[i];
            // mask it be hidden from the process tree
            while(*s) *s++ = 'x';
            if(debug) fprintf(stderr, "freeipmi.plugin: hostname set to '%s'\n", hostname);
            continue;
        }
        else if(i < argc && strcmp("username", argv[i]) == 0) {
            username = strdupz(argv[++i]);
            char *s = argv[i];
            // mask it be hidden from the process tree
            while(*s) *s++ = 'x';
            if(debug) fprintf(stderr, "freeipmi.plugin: username set to '%s'\n", username);
            continue;
        }
        else if(i < argc && strcmp("password", argv[i]) == 0) {
            password = strdupz(argv[++i]);
            char *s = argv[i];
            // mask it be hidden from the process tree
            while(*s) *s++ = 'x';
            if(debug) fprintf(stderr, "freeipmi.plugin: password set to '%s'\n", password);
            continue;
        }
        else if(strcmp("driver-type", argv[i]) == 0) {
            if (hostname) {
                protocol_version=parse_outofband_driver_type(argv[++i]);
                if(debug) fprintf(stderr, "freeipmi.plugin: outband protocol version set to '%d'\n", protocol_version);
            }
            else {
                driver_type=parse_inband_driver_type(argv[++i]);
                if(debug) fprintf(stderr, "freeipmi.plugin: inband driver type set to '%d'\n", driver_type);
            }
            continue;
        }
        else if(i < argc && strcmp("sdr-cache-dir", argv[i]) == 0) {
            sdr_cache_directory = argv[++i];
            if(debug) fprintf(stderr, "freeipmi.plugin: SDR cache directory set to '%s'\n", sdr_cache_directory);
            continue;
        }
        else if(i < argc && strcmp("sensor-config-file", argv[i]) == 0) {
            sensor_config_file = argv[++i];
            if(debug) fprintf(stderr, "freeipmi.plugin: sensor config file set to '%s'\n", sensor_config_file);
            continue;
        }
        else if(i < argc && strcmp("ignore", argv[i]) == 0) {
            excluded_record_ids_parse(argv[++i]);
            continue;
        }
        else if(i < argc && strcmp("ignore-status", argv[i]) == 0) {
            excluded_status_record_ids_parse(argv[++i]);
            continue;
        }

        error("freeipmi.plugin: ignoring parameter '%s'", argv[i]);
    }

    errno = 0;

    if(freq >= netdata_update_every)
        netdata_update_every = freq;

    else if(freq)
        error("update frequency %d seconds is too small for IPMI. Using %d.", freq, netdata_update_every);


    // ------------------------------------------------------------------------
    // initialize IPMI

    struct ipmi_monitoring_ipmi_config ipmi_config;

    if(debug) fprintf(stderr, "freeipmi.plugin: calling _init_ipmi_config()\n");

    _init_ipmi_config(&ipmi_config);

    if(debug) {
        fprintf(stderr, "freeipmi.plugin: calling ipmi_monitoring_init()\n");
        ipmimonitoring_init_flags|=IPMI_MONITORING_FLAGS_DEBUG|IPMI_MONITORING_FLAGS_DEBUG_IPMI_PACKETS;
    }

    if(ipmi_monitoring_init(ipmimonitoring_init_flags, &errnum) < 0)
        fatal("ipmi_monitoring_init: %s", ipmi_monitoring_ctx_strerror(errnum));

    if(debug) fprintf(stderr, "freeipmi.plugin: detecting IPMI minimum update frequency...\n");
    freq = ipmi_detect_speed_secs(&ipmi_config);
    if(debug) fprintf(stderr, "freeipmi.plugin: IPMI minimum update frequency was calculated to %d seconds.\n", freq);

    if(freq > netdata_update_every) {
        info("enforcing minimum data collection frequency, calculated to %d seconds.", freq);
        netdata_update_every = freq;
    }


    // ------------------------------------------------------------------------
    // the main loop

    if(debug) fprintf(stderr, "freeipmi.plugin: starting data collection\n");

    time_t started_t = now_monotonic_sec();

    size_t iteration = 0;
    usec_t step = netdata_update_every * USEC_PER_SEC;

    heartbeat_t hb;
    heartbeat_init(&hb);
    for(iteration = 0; 1 ; iteration++) {
        usec_t dt = heartbeat_next(&hb, step);

        if(debug && iteration)
            fprintf(stderr, "freeipmi.plugin: iteration %zu, dt %llu usec, sensors collected %zu, sensors sent to netdata %zu \n"
                    , iteration
                    , dt
                    , netdata_sensors_collected
                    , netdata_sensors_updated
            );

        netdata_mark_as_not_updated();

        if(debug) fprintf(stderr, "freeipmi.plugin: calling ipmi_collect_data()\n");
        if(ipmi_collect_data(&ipmi_config) < 0)
            fatal("data collection failed.");

        if(debug) fprintf(stderr, "freeipmi.plugin: calling send_metrics_to_netdata()\n");
        send_metrics_to_netdata();
        fflush(stdout);

        // restart check (14400 seconds)
        if(now_monotonic_sec() - started_t > 14400) exit(0);
    }
}

#else // !HAVE_FREEIPMI

int main(int argc, char **argv) {
    fatal("freeipmi.plugin is not compiled.");
}

#endif // !HAVE_FREEIPMI