src/netapp.c

   1 /**
   2  * collectd - src/netapp.c
   3  * Copyright (C) 2009  Sven Trenkel
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *   Sven Trenkel <sven.trenkel at noris.net>
  25  **/
  26
  27 #include "collectd.h"
  28 #include "common.h"
  29
  30 #include <netapp_api.h>
  31
  32 typedef struct host_config_s host_config_t;
  33 typedef void service_handler_t(host_config_t *host, na_elem_t *result, void *data);
  34
  35 #define PERF_SYSTEM_CPU            0x01
  36 #define PERF_SYSTEM_NET            0x02
  37 #define PERF_SYSTEM_OPS            0x04
  38 #define PERF_SYSTEM_DISK           0x08
  39 #define PERF_SYSTEM_ALL            0x0F
  40
  41 /*!
  42  * \brief Persistent data for system performence counters
  43  */
  44
  45 typedef struct {
  46         uint32_t flags;
  47         uint64_t last_cpu_busy;
  48         uint64_t last_cpu_total;
  49 } perf_system_data_t;
  50
  51 /*!
  52  * \brief Persistent data for WAFL performence counters. (a.k.a. cache performence)
  53  */
  54
  55 #define PERF_WAFL_NAME_CACHE       0x01
  56 #define PERF_WAFL_DIR_CACHE        0x02
  57 #define PERF_WAFL_BUF_CACHE        0x04
  58 #define PERF_WAFL_INODE_CACHE      0x08
  59 #define PERF_WAFL_ALL              0x0F
  60
  61 typedef struct {
  62         uint32_t flags;
  63         uint64_t last_name_cache_hit;
  64         uint64_t last_name_cache_miss;
  65         uint64_t last_find_dir_hit;
  66         uint64_t last_find_dir_miss;
  67         uint64_t last_buf_hash_hit;
  68         uint64_t last_buf_hash_miss;
  69         uint64_t last_inode_cache_hit;
  70         uint64_t last_inode_cache_miss;
  71 } perf_wafl_data_t;
  72
  73 #define PERF_VOLUME_INIT           0x01
  74 #define PERF_VOLUME_IO             0x02
  75 #define PERF_VOLUME_OPS            0x03
  76 #define PERF_VOLUME_LATENCY        0x08
  77 #define PERF_VOLUME_ALL            0x0F
  78
  79 typedef struct {
  80         uint32_t flags;
  81 } perf_volume_data_t;
  82
  83 typedef struct {
  84         uint32_t flags;
  85 } volume_data_t;
  86
  87 #define PERF_DISK_BUSIEST          0x01
  88 #define PERF_DISK_ALL              0x01
  89
  90 typedef struct {
  91         uint32_t flags;
  92 } perf_disk_data_t;
  93
  94 typedef struct {
  95         uint32_t flags;
  96         time_t last_timestamp;
  97         uint64_t last_read_latency;
  98         uint64_t last_write_latency;
  99         uint64_t last_read_ops;
 100         uint64_t last_write_ops;
 101 } per_volume_perf_data_t;
 102
 103 #define VOLUME_INIT           0x01
 104 #define VOLUME_DF             0x02
 105 #define VOLUME_SNAP           0x04
 106
 107 typedef struct {
 108         uint32_t flags;
 109 } per_volume_data_t;
 110
 111 typedef struct {
 112         time_t last_update;
 113         double last_disk_busy_percent;
 114         uint64_t last_disk_busy;
 115         uint64_t last_base_for_disk_busy;
 116 } per_disk_perf_data_t;
 117
 118 typedef struct service_config_s {
 119         na_elem_t *query;
 120         service_handler_t *handler;
 121         int multiplier;
 122         int skip_countdown;
 123         int interval;
 124         void *data;
 125         struct service_config_s *next;
 126 } service_config_t;
 127
 128 #define SERVICE_INIT {0, 0, 1, 1, 0, 0, 0}
 129
 130 typedef struct volume_s {
 131         char *name;
 132         per_volume_perf_data_t perf_data;
 133         per_volume_data_t volume_data;
 134         struct volume_s *next;
 135 } volume_t;
 136
 137 /*!
 138  * \brief A disk in the netapp.
 139  *
 140  * A disk doesn't have any more information than its name atm.
 141  * The name includes the "disk_" prefix.
 142  */
 143
 144 typedef struct disk_s {
 145         char *name;
 146         per_disk_perf_data_t perf_data;
 147         struct disk_s *next;
 148 } disk_t;
 149
 150 #define DISK_INIT {0, {0, 0, 0, 0}, 0}
 151
 152 struct host_config_s {
 153         na_server_t *srv;
 154         char *name;
 155         na_server_transport_t protocol;
 156         char *host;
 157         int port;
 158         char *username;
 159         char *password;
 160         int interval;
 161         service_config_t *services;
 162         disk_t *disks;
 163         volume_t *volumes;
 164         struct host_config_s *next;
 165 };
 166
 167 #define HOST_INIT {0, 0, NA_SERVER_TRANSPORT_HTTPS, 0, 0, 0, 0, 10, 0, 0, 0}
 168
 169 static host_config_t *host_config;
 170
 171 static volume_t *get_volume (host_config_t *host, const char *name) /* {{{ */
 172 {
 173         volume_t *v;
 174
 175         if (name == NULL)
 176                 return (NULL);
 177
 178         for (v = host->volumes; v; v = v->next) {
 179                 if (strcmp(v->name, name) == 0)
 180                         return v;
 181         }
 182
 183         v = malloc(sizeof(*v));
 184         if (v == NULL)
 185                 return (NULL);
 186         memset (v, 0, sizeof (*v));
 187
 188         v->name = strdup(name);
 189         if (v->name == NULL) {
 190                 sfree (v);
 191                 return (NULL);
 192         }
 193
 194         v->next = host->volumes;
 195         host->volumes = v;
 196
 197         return v;
 198 } /* }}} volume_t *get_volume */
 199
 200 static disk_t *get_disk(host_config_t *host, const char *name) /* {{{ */
 201 {
 202         disk_t *v, init = DISK_INIT;
 203
 204         if (name == NULL)
 205                 return (NULL);
 206
 207         for (v = host->disks; v; v = v->next) {
 208                 if (strcmp(v->name, name) == 0)
 209                         return v;
 210         }
 211         v = malloc(sizeof(*v));
 212         if (v == NULL)
 213                 return (NULL);
 214
 215         *v = init;
 216         v->name = strdup(name);
 217         if (v->name == NULL) {
 218                 sfree (v);
 219                 return (NULL);
 220         }
 221
 222         v->next = host->disks;
 223         host->disks = v;
 224
 225         return v;
 226 } /* }}} disk_t *get_disk */
 227
 228 static int submit_values (const char *host, /* {{{ */
 229                 const char *plugin_inst,
 230                 const char *type, const char *type_inst,
 231                 value_t *values, int values_len,
 232                 time_t timestamp)
 233 {
 234         value_list_t vl = VALUE_LIST_INIT;
 235
 236         vl.values = values;
 237         vl.values_len = values_len;
 238
 239         if (timestamp > 0)
 240                 vl.time = timestamp;
 241
 242         if (host != NULL)
 243                 sstrncpy (vl.host, host, sizeof (vl.host));
 244         else
 245                 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 246         sstrncpy (vl.plugin, "netapp", sizeof (vl.plugin));
 247         if (plugin_inst != NULL)
 248                 sstrncpy (vl.plugin_instance, plugin_inst, sizeof (vl.plugin_instance));
 249         sstrncpy (vl.type, type, sizeof (vl.type));
 250         if (type_inst != NULL)
 251                 sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
 252
 253         return (plugin_dispatch_values (&vl));
 254 } /* }}} int submit_uint64 */
 255
 256 static int submit_two_counters (const char *host, const char *plugin_inst, /* {{{ */
 257                 const char *type, const char *type_inst, counter_t val0, counter_t val1,
 258                 time_t timestamp)
 259 {
 260         value_t values[2];
 261
 262         values[0].counter = val0;
 263         values[1].counter = val1;
 264
 265         return (submit_values (host, plugin_inst, type, type_inst,
 266                                 values, 2, timestamp));
 267 } /* }}} int submit_two_counters */
 268
 269 static int submit_double (const char *host, const char *plugin_inst, /* {{{ */
 270                 const char *type, const char *type_inst, double d, time_t timestamp)
 271 {
 272         value_t v;
 273
 274         v.gauge = (gauge_t) d;
 275
 276         return (submit_values (host, plugin_inst, type, type_inst,
 277                                 &v, 1, timestamp));
 278 } /* }}} int submit_uint64 */
 279
 280 static int submit_cache_ratio (const char *host, /* {{{ */
 281                 const char *plugin_inst,
 282                 const char *type_inst,
 283                 uint64_t new_hits,
 284                 uint64_t new_misses,
 285                 uint64_t *old_hits,
 286                 uint64_t *old_misses,
 287                 time_t timestamp)
 288 {
 289         value_t v;
 290
 291         if ((new_hits >= (*old_hits)) && (new_misses >= (*old_misses))) {
 292                 uint64_t hits;
 293                 uint64_t misses;
 294
 295                 hits = new_hits - (*old_hits);
 296                 misses = new_misses - (*old_misses);
 297
 298                 v.gauge = 100.0 * ((gauge_t) hits) / ((gauge_t) (hits + misses));
 299         } else {
 300                 v.gauge = NAN;
 301         }
 302
 303         *old_hits = new_hits;
 304         *old_misses = new_misses;
 305
 306         return (submit_values (host, plugin_inst, "cache_ratio", type_inst,
 307                                 &v, 1, timestamp));
 308 } /* }}} int submit_cache_ratio */
 309
 310 static void collect_perf_wafl_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
 311         perf_wafl_data_t *wafl = data;
 312         uint64_t name_cache_hit  = 0,  name_cache_miss  = 0;
 313         uint64_t find_dir_hit    = 0,  find_dir_miss    = 0;
 314         uint64_t buf_hash_hit    = 0,  buf_hash_miss    = 0;
 315         uint64_t inode_cache_hit = 0,  inode_cache_miss = 0;
 316         const char *plugin_inst;
 317         time_t timestamp;
 318         na_elem_t *counter;
 319
 320         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 321         out = na_elem_child(na_elem_child(out, "instances"), "instance-data");
 322         plugin_inst = na_child_get_string(out, "name");
 323
 324         /* Iterate over all counters */
 325         na_elem_iter_t iter = na_child_iterator(na_elem_child(out, "counters"));
 326         for (counter = na_iterator_next(&iter); counter; counter = na_iterator_next(&iter)) {
 327                 const char *name;
 328
 329                 name = na_child_get_string(counter, "name");
 330                 if (!strcmp(name, "name_cache_hit"))
 331                         name_cache_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 332                 else if (!strcmp(name, "name_cache_miss"))
 333                         name_cache_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 334                 else if (!strcmp(name, "find_dir_hit"))
 335                         find_dir_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 336                 else if (!strcmp(name, "find_dir_miss"))
 337                         find_dir_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 338                 else if (!strcmp(name, "buf_hash_hit"))
 339                         buf_hash_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 340                 else if (!strcmp(name, "buf_hash_miss"))
 341                         buf_hash_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 342                 else if (!strcmp(name, "inode_cache_hit"))
 343                         inode_cache_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 344                 else if (!strcmp(name, "inode_cache_miss"))
 345                         inode_cache_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 346                 else
 347                         INFO ("netapp plugin: Found unexpected child: %s", name);
 348         }
 349
 350         /* Submit requested counters */
 351         if ((wafl->flags & PERF_WAFL_NAME_CACHE)
 352                         && (name_cache_hit != UINT64_MAX) && (name_cache_miss != UINT64_MAX))
 353                 submit_cache_ratio (host->name, plugin_inst, "name_cache_hit",
 354                                 name_cache_hit, name_cache_miss,
 355                                 &wafl->last_name_cache_hit, &wafl->last_name_cache_miss,
 356                                 timestamp);
 357
 358         if ((wafl->flags & PERF_WAFL_DIR_CACHE)
 359                         && (find_dir_hit != UINT64_MAX) && (find_dir_miss != UINT64_MAX))
 360                 submit_cache_ratio (host->name, plugin_inst, "find_dir_hit",
 361                                 find_dir_hit, find_dir_miss,
 362                                 &wafl->last_find_dir_hit, &wafl->last_find_dir_miss,
 363                                 timestamp);
 364
 365         if ((wafl->flags & PERF_WAFL_BUF_CACHE)
 366                         && (buf_hash_hit != UINT64_MAX) && (buf_hash_miss != UINT64_MAX))
 367                 submit_cache_ratio (host->name, plugin_inst, "buf_hash_hit",
 368                                 buf_hash_hit, buf_hash_miss,
 369                                 &wafl->last_buf_hash_hit, &wafl->last_buf_hash_miss,
 370                                 timestamp);
 371
 372         if ((wafl->flags & PERF_WAFL_INODE_CACHE)
 373                         && (inode_cache_hit != UINT64_MAX) && (inode_cache_miss != UINT64_MAX))
 374                 submit_cache_ratio (host->name, plugin_inst, "inode_cache_hit",
 375                                 inode_cache_hit, inode_cache_miss,
 376                                 &wafl->last_inode_cache_hit, &wafl->last_inode_cache_miss,
 377                                 timestamp);
 378 } /* }}} void collect_perf_wafl_data */
 379
 380 static void collect_perf_disk_data(host_config_t *host, na_elem_t *out, void *data) {
 381         perf_disk_data_t *perf = data;
 382         const char *name;
 383         time_t timestamp;
 384         na_elem_t *counter, *inst;
 385         disk_t *disk, *worst_disk = 0;
 386
 387         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 388         out = na_elem_child(out, "instances");
 389
 390         /* Iterate over all children */
 391         na_elem_iter_t inst_iter = na_child_iterator(out);
 392         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 393                 uint64_t disk_busy = 0;
 394                 uint64_t base_for_disk_busy = 0;
 395
 396                 disk = get_disk(host, na_child_get_string(inst, "name"));
 397                 if (disk == NULL)
 398                         continue;
 399
 400                 /* Look for the "disk_busy" and "base_for_disk_busy" counters */
 401                 na_elem_iter_t count_iter = na_child_iterator(na_elem_child(inst, "counters"));
 402                 for (counter = na_iterator_next(&count_iter); counter; counter = na_iterator_next(&count_iter)) {
 403                         name = na_child_get_string(counter, "name");
 404                         if (name == NULL)
 405                                 continue;
 406
 407                         if (strcmp(name, "disk_busy") == 0)
 408                                 disk_busy = na_child_get_uint64(counter, "value", UINT64_MAX);
 409                         else if (strcmp(name, "base_for_disk_busy") == 0)
 410                                 base_for_disk_busy = na_child_get_uint64(counter, "value", UINT64_MAX);
 411                 }
 412
 413                 if ((disk_busy == UINT64_MAX) || (base_for_disk_busy == UINT64_MAX))
 414                 {
 415                         disk->perf_data.last_disk_busy = 0;
 416                         disk->perf_data.last_base_for_disk_busy = 0;
 417                         continue;
 418                 }
 419
 420                 disk->perf_data.last_update = timestamp;
 421                 if ((disk_busy >= disk->perf_data.last_disk_busy)
 422                                 && (base_for_disk_busy >= disk->perf_data.last_base_for_disk_busy))
 423                 {
 424                         uint64_t disk_busy_diff;
 425                         uint64_t base_diff;
 426
 427                         disk_busy_diff = disk_busy - disk->perf_data.last_disk_busy;
 428                         base_diff = base_for_disk_busy - disk->perf_data.last_base_for_disk_busy;
 429
 430                         if (base_diff == 0)
 431                                 disk->perf_data.last_disk_busy_percent = NAN;
 432                         else
 433                                 disk->perf_data.last_disk_busy_percent = 100.0
 434                                         * ((gauge_t) disk_busy_diff) / ((gauge_t) base_diff);
 435                 }
 436                 else
 437                 {
 438                         disk->perf_data.last_disk_busy_percent = NAN;
 439                 }
 440
 441                 disk->perf_data.last_disk_busy = disk_busy;
 442                 disk->perf_data.last_base_for_disk_busy = base_for_disk_busy;
 443
 444                 if ((worst_disk == NULL)
 445                                 || (worst_disk->perf_data.last_disk_busy_percent < disk->perf_data.last_disk_busy_percent))
 446                         worst_disk = disk;
 447         }
 448
 449         if ((perf->flags & PERF_DISK_BUSIEST) && (worst_disk != NULL))
 450                 submit_double (host->name, "system", "percent", "disk_busy",
 451                                 worst_disk->perf_data.last_disk_busy_percent, timestamp);
 452 } /* void collect_perf_disk_data */
 453
 454 static void collect_volume_data(host_config_t *host, na_elem_t *out, void *data) {
 455         na_elem_t *inst, *sis;
 456         volume_t *volume;
 457         volume_data_t *volume_data = data;
 458         value_t values[1];
 459         value_list_t vl = VALUE_LIST_INIT;
 460
 461         out = na_elem_child(out, "volumes");
 462         na_elem_iter_t inst_iter = na_child_iterator(out);
 463         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 464                 uint64_t size_free = 0, size_used = 0, snap_reserved = 0, sis_saved = 0;
 465                 volume = get_volume(host, na_child_get_string(inst, "name"));
 466                 if (!(volume->volume_data.flags & VOLUME_INIT)) volume->volume_data.flags = volume_data->flags;
 467                 if (!(volume->volume_data.flags & VOLUME_DF)) continue;
 468                 size_free = na_child_get_uint64(inst, "size-available", 0);
 469                 size_used = na_child_get_uint64(inst, "size-used", 0);
 470                 snap_reserved = na_child_get_uint64(inst, "snapshot-blocks-reserved", 0) * 1024;
 471
 472                 vl.values_len = 1;
 473                 vl.values = values;
 474                 vl.time = time(0);
 475                 vl.interval = interval_g;
 476                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 477                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 478                 sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 479                 sstrncpy(vl.type, "df_complex", sizeof(vl.type));
 480
 481                 values[0].gauge = size_used;
 482                 sstrncpy(vl.type_instance, "used", sizeof(vl.type_instance));
 483                 DEBUG("%s/netapp-%s/df_complex-used: %"PRIu64, host->name, volume->name, size_used);
 484                 plugin_dispatch_values (&vl);
 485
 486                 values[0].gauge = size_free;
 487                 sstrncpy(vl.type_instance, "free", sizeof(vl.type_instance));
 488                 DEBUG("%s/netapp-%s/df_complex-free: %"PRIu64, host->name, volume->name, size_free);
 489                 plugin_dispatch_values (&vl);
 490
 491                 if (snap_reserved) {
 492                         values[0].gauge = snap_reserved;
 493                         sstrncpy(vl.type_instance, "snap_reserved", sizeof(vl.type_instance));
 494                         DEBUG("%s/netapp-%s/df_complex-snap_reserved: %"PRIu64, host->name, volume->name, snap_reserved);
 495                         plugin_dispatch_values (&vl);
 496                 }
 497
 498                 sis = na_elem_child(inst, "sis");
 499                 if (sis && !strcmp(na_child_get_string(sis, "state"), "enabled")) {
 500                         uint64_t sis_saved_reported = na_child_get_uint64(sis, "size-saved", 0), sis_saved_percent = na_child_get_uint64(sis, "percentage-saved", 0);
 501                         /* size-saved is actually a 32 bit number, so ... time for some guesswork. */
 502                         if (sis_saved_reported >> 32) {
 503                                 /* In case they ever fix this bug. */
 504                                 sis_saved = sis_saved_reported;
 505                         } else {
 506                                 uint64_t real_saved = sis_saved_percent * size_used / (100 - sis_saved_percent);
 507                                 uint64_t overflow_guess = real_saved >> 32;
 508                                 uint64_t guess1 = overflow_guess ? ((overflow_guess - 1) << 32) + sis_saved_reported : sis_saved_reported;
 509                                 uint64_t guess2 = (overflow_guess << 32) + sis_saved_reported;
 510                                 uint64_t guess3 = ((overflow_guess + 1) << 32) + sis_saved_reported;
 511
 512                                 if (real_saved < guess2) {
 513                                         if (real_saved - guess1 < guess2 - real_saved) sis_saved = guess1;
 514                                         else sis_saved = guess2;
 515                                 } else {
 516                                         if (real_saved - guess2 < guess3 - real_saved) sis_saved = guess2;
 517                                         else sis_saved = guess3;
 518                                 }
 519                         }
 520                         values[0].gauge = sis_saved;
 521                         sstrncpy(vl.type_instance, "sis_saved", sizeof(vl.type_instance));
 522                         DEBUG("%s/netapp-%s/df_complex-sis_saved: %"PRIu64, host->name, volume->name, sis_saved);
 523                         plugin_dispatch_values (&vl);
 524                 }
 525         }
 526 }
 527
 528 static void collect_perf_volume_data(host_config_t *host, na_elem_t *out, void *data) {
 529         perf_volume_data_t *perf = data;
 530         const char *name;
 531         time_t timestamp;
 532         na_elem_t *counter, *inst;
 533         volume_t *volume;
 534         value_t values[2];
 535         value_list_t vl = VALUE_LIST_INIT;
 536
 537         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 538         out = na_elem_child(out, "instances");
 539         na_elem_iter_t inst_iter = na_child_iterator(out);
 540         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 541                 uint64_t read_data = 0, write_data = 0, read_ops = 0, write_ops = 0, read_latency = 0, write_latency = 0;
 542
 543                 volume = get_volume(host, na_child_get_string(inst, "name"));
 544                 if (!volume->perf_data.flags) {
 545                         volume->perf_data.flags = perf->flags;
 546                         volume->perf_data.last_read_latency = volume->perf_data.last_read_ops = 0;
 547                         volume->perf_data.last_write_latency = volume->perf_data.last_write_ops = 0;
 548                 }
 549                 na_elem_iter_t count_iter = na_child_iterator(na_elem_child(inst, "counters"));
 550                 for (counter = na_iterator_next(&count_iter); counter; counter = na_iterator_next(&count_iter)) {
 551                         name = na_child_get_string(counter, "name");
 552                         if (!strcmp(name, "read_ops")) {
 553                                 read_ops = na_child_get_uint64(counter, "value", 0);
 554                         } else if (!strcmp(name, "write_ops")) {
 555                                 write_ops = na_child_get_uint64(counter, "value", 0);
 556                         } else if (!strcmp(name, "read_data")) {
 557                                 read_data = na_child_get_uint64(counter, "value", 0);
 558                         } else if (!strcmp(name, "write_data")) {
 559                                 write_data = na_child_get_uint64(counter, "value", 0);
 560                         } else if (!strcmp(name, "read_latency")) {
 561                                 read_latency = na_child_get_uint64(counter, "value", 0);
 562                         } else if (!strcmp(name, "write_latency")) {
 563                                 write_latency = na_child_get_uint64(counter, "value", 0);
 564                         }
 565                 }
 566                 if (read_ops && write_ops) {
 567                         values[0].counter = read_ops;
 568                         values[1].counter = write_ops;
 569                         vl.values = values;
 570                         vl.values_len = 2;
 571                         vl.time = timestamp;
 572                         vl.interval = interval_g;
 573                         sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 574                         sstrncpy(vl.host, host->name, sizeof(vl.host));
 575                         sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 576                         sstrncpy(vl.type, "disk_ops", sizeof(vl.type));
 577                         vl.type_instance[0] = 0;
 578                         if (volume->perf_data.flags & PERF_VOLUME_OPS) {
 579                                 /* We might need the data even if it wasn't configured to calculate
 580                                    the latency. Therefore we just skip the dispatch. */
 581                                 DEBUG("%s/netapp-%s/disk_ops: %"PRIu64" %"PRIu64, host->name, volume->name, read_ops, write_ops);
 582                                 plugin_dispatch_values(&vl);
 583                         }
 584                         if ((volume->perf_data.flags & PERF_VOLUME_LATENCY) && read_latency && write_latency) {
 585                                 values[0].gauge = 0;
 586                                 if (read_ops - volume->perf_data.last_read_ops) values[0].gauge = (read_latency - volume->perf_data.last_read_latency) * (timestamp - volume->perf_data.last_timestamp) / (read_ops - volume->perf_data.last_read_ops);
 587                                 values[1].gauge = 0;
 588                                 if (write_ops - volume->perf_data.last_write_ops) values[1].gauge = (write_latency - volume->perf_data.last_write_latency) * (timestamp - volume->perf_data.last_timestamp) / (write_ops - volume->perf_data.last_write_ops);
 589                                 vl.values = values;
 590                                 vl.values_len = 2;
 591                                 vl.time = timestamp;
 592                                 vl.interval = interval_g;
 593                                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 594                                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 595                                 sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 596                                 sstrncpy(vl.type, "disk_latency", sizeof(vl.type));
 597                                 vl.type_instance[0] = 0;
 598                                 if (volume->perf_data.last_read_ops && volume->perf_data.last_write_ops) {
 599                                         DEBUG("%s/netapp-%s/disk_latency: ro: %"PRIu64" lro: %"PRIu64" "
 600                                                         "rl: %"PRIu64" lrl: %"PRIu64" "
 601                                                         "%llu %llu",
 602                                                         host->name, volume->name,
 603                                                         read_ops, volume->perf_data.last_read_ops,
 604                                                         read_latency, volume->perf_data.last_read_latency,
 605                                                         values[0].counter, values[1].counter);
 606                                         plugin_dispatch_values(&vl);
 607                                 }
 608                                 volume->perf_data.last_timestamp = timestamp;
 609                                 volume->perf_data.last_read_latency = read_latency;
 610                                 volume->perf_data.last_read_ops = read_ops;
 611                                 volume->perf_data.last_write_latency = write_latency;
 612                                 volume->perf_data.last_write_ops = write_ops;
 613                         }
 614                 }
 615                 if ((volume->perf_data.flags & PERF_VOLUME_IO) && read_data && write_data) {
 616                         values[0].counter = read_data;
 617                         values[1].counter = write_data;
 618                         vl.values = values;
 619                         vl.values_len = 2;
 620                         vl.time = timestamp;
 621                         vl.interval = interval_g;
 622                         sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 623                         sstrncpy(vl.host, host->name, sizeof(vl.host));
 624                         sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 625                         sstrncpy(vl.type, "disk_octets", sizeof(vl.type));
 626                         vl.type_instance[0] = 0;
 627                         DEBUG("%s/netapp-%s/disk_octets: %"PRIu64" %"PRIu64, host->name, volume->name, read_data, write_data);
 628                         plugin_dispatch_values (&vl);
 629                 }
 630         }
 631 }
 632
 633 static void collect_perf_system_data(host_config_t *host, na_elem_t *out, void *data) {
 634         uint64_t disk_read = 0, disk_written = 0, net_recv = 0, net_sent = 0, cpu_busy = 0, cpu_total = 0;
 635         perf_system_data_t *perf = data;
 636         const char *instance, *name;
 637         time_t timestamp;
 638         na_elem_t *counter;
 639         value_t values[2];
 640         value_list_t vl = VALUE_LIST_INIT;
 641
 642         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 643         out = na_elem_child(na_elem_child(out, "instances"), "instance-data");
 644         instance = na_child_get_string(out, "name");
 645
 646         na_elem_iter_t iter = na_child_iterator(na_elem_child(out, "counters"));
 647         for (counter = na_iterator_next(&iter); counter; counter = na_iterator_next(&iter)) {
 648                 name = na_child_get_string(counter, "name");
 649                 if (!strcmp(name, "disk_data_read")) {
 650                         disk_read = na_child_get_uint64(counter, "value", 0) * 1024;
 651                 } else if (!strcmp(name, "disk_data_written")) {
 652                         disk_written = na_child_get_uint64(counter, "value", 0) * 1024;
 653                 } else if (!strcmp(name, "net_data_recv")) {
 654                         net_recv = na_child_get_uint64(counter, "value", 0) * 1024;
 655                 } else if (!strcmp(name, "net_data_sent")) {
 656                         net_sent = na_child_get_uint64(counter, "value", 0) * 1024;
 657                 } else if (!strcmp(name, "cpu_busy")) {
 658                         cpu_busy = na_child_get_uint64(counter, "value", 0);
 659                 } else if (!strcmp(name, "cpu_elapsed_time")) {
 660                         cpu_total = na_child_get_uint64(counter, "value", 0);
 661                 } else if ((perf->flags & PERF_SYSTEM_OPS) && strlen(name) > 4 && !strcmp(name + strlen(name) - 4, "_ops")) {
 662                         values[0].counter = na_child_get_uint64(counter, "value", 0);
 663                         if (!values[0].counter) continue;
 664                         vl.values = values;
 665                         vl.values_len = 1;
 666                         vl.time = timestamp;
 667                         vl.interval = interval_g;
 668                         sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 669                         sstrncpy(vl.host, host->name, sizeof(vl.host));
 670                         sstrncpy(vl.plugin_instance, instance, sizeof(vl.plugin_instance));
 671                         sstrncpy(vl.type, "disk_ops_complex", sizeof(vl.type));
 672                         sstrncpy(vl.type_instance, name, sizeof(vl.plugin_instance));
 673                         DEBUG("%s/netapp-%s/disk_ops_complex-%s: %llu",
 674                                         host->name, instance, name, values[0].counter);
 675                         plugin_dispatch_values (&vl);
 676                 }
 677         }
 678         if ((perf->flags & PERF_SYSTEM_DISK) && disk_read && disk_written) {
 679                 values[0].counter = disk_read;
 680                 values[1].counter = disk_written;
 681                 vl.values = values;
 682                 vl.values_len = 2;
 683                 vl.time = timestamp;
 684                 vl.interval = interval_g;
 685                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 686                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 687                 sstrncpy(vl.plugin_instance, instance, sizeof(vl.plugin_instance));
 688                 sstrncpy(vl.type, "disk_octets", sizeof(vl.type));
 689                 vl.type_instance[0] = 0;
 690                 DEBUG("%s/netapp-%s/disk_octets: %"PRIu64" %"PRIu64, host->name, instance, disk_read, disk_written);
 691                 plugin_dispatch_values (&vl);
 692         }
 693         if ((perf->flags & PERF_SYSTEM_NET) && net_recv && net_sent) {
 694                 values[0].counter = net_recv;
 695                 values[1].counter = net_sent;
 696                 vl.values = values;
 697                 vl.values_len = 2;
 698                 vl.time = timestamp;
 699                 vl.interval = interval_g;
 700                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 701                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 702                 sstrncpy(vl.plugin_instance, instance, sizeof(vl.plugin_instance));
 703                 sstrncpy(vl.type, "if_octets", sizeof(vl.type));
 704                 vl.type_instance[0] = 0;
 705                 DEBUG("%s/netapp-%s/if_octects: %"PRIu64" %"PRIu64, host->name, instance, net_recv, net_sent);
 706                 plugin_dispatch_values (&vl);
 707         }
 708         if ((perf->flags & PERF_SYSTEM_CPU) && cpu_busy && cpu_total) {
 709                 /* values[0].gauge = (double) (cpu_busy - perf->last_cpu_busy) / (cpu_total - perf->last_cpu_total) * 100; */
 710                 values[0].counter = cpu_busy / 10000;
 711                 vl.values = values;
 712                 vl.values_len = 1;
 713                 vl.time = timestamp;
 714                 vl.interval = interval_g;
 715                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 716                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 717                 sstrncpy(vl.plugin_instance, instance, sizeof(vl.plugin_instance));
 718                 sstrncpy(vl.type, "cpu", sizeof(vl.type));
 719                 sstrncpy(vl.type_instance, "system", sizeof(vl.plugin_instance));
 720                 /* if (perf->last_cpu_busy && perf->last_cpu_total) printf("CPU: busy: %lf - idle: %lf\n", values[0].gauge, 100.0 - values[0].gauge); */
 721                 /* if (perf->last_cpu_busy && perf->last_cpu_total) plugin_dispatch_values ("cpu", &vl); */
 722                 DEBUG("%s/netapp-%s/cpu: busy: %"PRIu64" - idle: %"PRIu64, host->name, instance, cpu_busy / 10000, cpu_total / 10000);
 723                 plugin_dispatch_values (&vl);
 724
 725                 /* values[0].gauge = 100.0 - (double) (cpu_busy - perf->last_cpu_busy) / (cpu_total - perf->last_cpu_total) * 100; */
 726                 values[0].counter = (cpu_total - cpu_busy) / 10000;
 727                 vl.values = values;
 728                 vl.values_len = 1;
 729                 vl.time = timestamp;
 730                 vl.interval = interval_g;
 731                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 732                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 733                 sstrncpy(vl.plugin_instance, instance, sizeof(vl.plugin_instance));
 734                 sstrncpy(vl.type, "cpu", sizeof(vl.type));
 735                 sstrncpy(vl.type_instance, "idle", sizeof(vl.plugin_instance));
 736                 /* if (perf->last_cpu_busy && perf->last_cpu_total) plugin_dispatch_values ("cpu", &vl); */
 737                 plugin_dispatch_values (&vl);
 738
 739                 perf->last_cpu_busy = cpu_busy;
 740                 perf->last_cpu_total = cpu_total;
 741         }
 742 }
 743
 744 int config_init() {
 745         char err[256];
 746         na_elem_t *e;
 747         host_config_t *host;
 748         service_config_t *service;
 749
 750         if (!host_config) {
 751                 WARNING("netapp plugin: Plugin loaded but no hosts defined.");
 752                 return 1;
 753         }
 754
 755         if (!na_startup(err, sizeof(err))) {
 756                 ERROR("netapp plugin: Error initializing netapp API: %s", err);
 757                 return 1;
 758         }
 759
 760         for (host = host_config; host; host = host->next) {
 761                 host->srv = na_server_open(host->host, 1, 1);
 762                 na_server_set_transport_type(host->srv, host->protocol, 0);
 763                 na_server_set_port(host->srv, host->port);
 764                 na_server_style(host->srv, NA_STYLE_LOGIN_PASSWORD);
 765                 na_server_adminuser(host->srv, host->username, host->password);
 766                 na_server_set_timeout(host->srv, 5);
 767                 for (service = host->services; service; service = service->next) {
 768                         service->interval = host->interval * service->multiplier;
 769                         if (service->handler == collect_perf_system_data) {
 770                                 service->query = na_elem_new("perf-object-get-instances");
 771                                 na_child_add_string(service->query, "objectname", "system");
 772                         } else if (service->handler == collect_perf_volume_data) {
 773                                 service->query = na_elem_new("perf-object-get-instances");
 774                                 na_child_add_string(service->query, "objectname", "volume");
 775 /*                              e = na_elem_new("instances");
 776                                 na_child_add_string(e, "foo", "system");
 777                                 na_child_add(root, e);*/
 778                                 e = na_elem_new("counters");
 779                                 na_child_add_string(e, "foo", "read_ops");
 780                                 na_child_add_string(e, "foo", "write_ops");
 781                                 na_child_add_string(e, "foo", "read_data");
 782                                 na_child_add_string(e, "foo", "write_data");
 783                                 na_child_add_string(e, "foo", "read_latency");
 784                                 na_child_add_string(e, "foo", "write_latency");
 785                                 na_child_add(service->query, e);
 786                         } else if (service->handler == collect_perf_wafl_data) {
 787                                 service->query = na_elem_new("perf-object-get-instances");
 788                                 na_child_add_string(service->query, "objectname", "wafl");
 789 /*                              e = na_elem_new("instances");
 790                                 na_child_add_string(e, "foo", "system");
 791                                 na_child_add(root, e);*/
 792                                 e = na_elem_new("counters");
 793                                 na_child_add_string(e, "foo", "name_cache_hit");
 794                                 na_child_add_string(e, "foo", "name_cache_miss");
 795                                 na_child_add_string(e, "foo", "find_dir_hit");
 796                                 na_child_add_string(e, "foo", "find_dir_miss");
 797                                 na_child_add_string(e, "foo", "buf_hash_hit");
 798                                 na_child_add_string(e, "foo", "buf_hash_miss");
 799                                 na_child_add_string(e, "foo", "inode_cache_hit");
 800                                 na_child_add_string(e, "foo", "inode_cache_miss");
 801                                 /* na_child_add_string(e, "foo", "inode_eject_time"); */
 802                                 /* na_child_add_string(e, "foo", "buf_eject_time"); */
 803                                 na_child_add(service->query, e);
 804                         } else if (service->handler == collect_perf_disk_data) {
 805                                 service->query = na_elem_new("perf-object-get-instances");
 806                                 na_child_add_string(service->query, "objectname", "disk");
 807                                 e = na_elem_new("counters");
 808                                 na_child_add_string(e, "foo", "disk_busy");
 809                                 na_child_add_string(e, "foo", "base_for_disk_busy");
 810                                 na_child_add(service->query, e);
 811                         } else if (service->handler == collect_volume_data) {
 812                                 service->query = na_elem_new("volume-list-info");
 813                                 /* na_child_add_string(service->query, "objectname", "volume"); */
 814                                 /* } else if (service->handler == collect_snapshot_data) { */
 815                                 /* service->query = na_elem_new("snapshot-list-info"); */
 816                         }
 817                 }
 818         }
 819         return 0;
 820 }
 821
 822 static void set_global_perf_vol_flag(const host_config_t *host, uint32_t flag, int value) {
 823         volume_t *v;
 824
 825         for (v = host->volumes; v; v = v->next) {
 826                 v->perf_data.flags &= ~flag;
 827                 if (value) v->perf_data.flags |= flag;
 828         }
 829 }
 830
 831 static void set_global_vol_flag(const host_config_t *host, uint32_t flag, int value) {
 832         volume_t *v;
 833
 834         for (v = host->volumes; v; v = v->next) {
 835                 v->volume_data.flags &= ~flag;
 836                 if (value) v->volume_data.flags |= flag;
 837         }
 838 }
 839
 840 static void process_perf_volume_flag(host_config_t *host, perf_volume_data_t *perf_volume, const oconfig_item_t *item, uint32_t flag) {
 841         int n;
 842
 843         for (n = 0; n < item->values_num; ++n) {
 844                 int minus = 0;
 845                 const char *name = item->values[n].value.string;
 846                 volume_t *v;
 847                 if (item->values[n].type != OCONFIG_TYPE_STRING) {
 848                         WARNING("netapp plugin: Ignoring non-string argument in \"GetVolPerfData\" block for host %s", host->name);
 849                         continue;
 850                 }
 851                 if (name[0] == '+') {
 852                         ++name;
 853                 } else if (name[0] == '-') {
 854                         minus = 1;
 855                         ++name;
 856                 }
 857                 if (!name[0]) {
 858                         perf_volume->flags &= ~flag;
 859                         if (!minus) perf_volume->flags |= flag;
 860                         set_global_perf_vol_flag(host, flag, !minus);
 861                         continue;
 862                 }
 863                 v = get_volume(host, name);
 864                 if (!v->perf_data.flags) {
 865                         v->perf_data.flags = perf_volume->flags;
 866                         v->perf_data.last_read_latency = v->perf_data.last_read_ops = 0;
 867                         v->perf_data.last_write_latency = v->perf_data.last_write_ops = 0;
 868                 }
 869                 v->perf_data.flags &= ~flag;
 870                 if (!minus) v->perf_data.flags |= flag;
 871         }
 872 }
 873
 874 static void process_volume_flag(host_config_t *host, volume_data_t *volume_data, const oconfig_item_t *item, uint32_t flag) {
 875         int n;
 876
 877         for (n = 0; n < item->values_num; ++n) {
 878                 int minus = 0;
 879                 const char *name = item->values[n].value.string;
 880                 volume_t *v;
 881                 if (item->values[n].type != OCONFIG_TYPE_STRING) {
 882                         WARNING("netapp plugin: Ignoring non-string argument in \"GetVolData\" block for host %s", host->name);
 883                         continue;
 884                 }
 885                 if (name[0] == '+') {
 886                         ++name;
 887                 } else if (name[0] == '-') {
 888                         minus = 1;
 889                         ++name;
 890                 }
 891                 if (!name[0]) {
 892                         volume_data->flags &= ~flag;
 893                         if (!minus) volume_data->flags |= flag;
 894                         set_global_vol_flag(host, flag, !minus);
 895                         continue;
 896                 }
 897                 v = get_volume(host, name);
 898                 if (!v->volume_data.flags) v->volume_data.flags = volume_data->flags;
 899                 v->volume_data.flags &= ~flag;
 900                 if (!minus) v->volume_data.flags |= flag;
 901         }
 902 }
 903
 904 static void build_perf_vol_config(host_config_t *host, const oconfig_item_t *ci) {
 905         int i, had_io = 0, had_ops = 0, had_latency = 0;
 906         service_config_t *service;
 907         perf_volume_data_t *perf_volume;
 908
 909         service = malloc(sizeof(*service));
 910         service->query = 0;
 911         service->handler = collect_perf_volume_data;
 912         perf_volume = service->data = malloc(sizeof(*perf_volume));
 913         perf_volume->flags = PERF_VOLUME_INIT;
 914         service->next = host->services;
 915         host->services = service;
 916         for (i = 0; i < ci->children_num; ++i) {
 917                 oconfig_item_t *item = ci->children + i;
 918
 919                 /* if (!item || !item->key || !*item->key) continue; */
 920                 if (!strcasecmp(item->key, "Multiplier")) {
 921                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 1) {
 922                                 WARNING("netapp plugin: \"Multiplier\" of host %s service GetVolPerfData needs exactly one positive integer argument.", host->name);
 923                                 continue;
 924                         }
 925                         service->skip_countdown = service->multiplier = item->values[0].value.number;
 926                 } else if (!strcasecmp(item->key, "GetIO")) {
 927                         had_io = 1;
 928                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_IO);
 929                 } else if (!strcasecmp(item->key, "GetOps")) {
 930                         had_ops = 1;
 931                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_OPS);
 932                 } else if (!strcasecmp(item->key, "GetLatency")) {
 933                         had_latency = 1;
 934                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_LATENCY);
 935                 }
 936         }
 937         if (!had_io) {
 938                 perf_volume->flags |= PERF_VOLUME_IO;
 939                 set_global_perf_vol_flag(host, PERF_VOLUME_IO, 1);
 940         }
 941         if (!had_ops) {
 942                 perf_volume->flags |= PERF_VOLUME_OPS;
 943                 set_global_perf_vol_flag(host, PERF_VOLUME_OPS, 1);
 944         }
 945         if (!had_latency) {
 946                 perf_volume->flags |= PERF_VOLUME_LATENCY;
 947                 set_global_perf_vol_flag(host, PERF_VOLUME_LATENCY, 1);
 948         }
 949 }
 950
 951 static void build_volume_config(host_config_t *host, oconfig_item_t *ci) {
 952         int i, had_df = 0;
 953         service_config_t *service;
 954         volume_data_t *volume_data;
 955
 956         service = malloc(sizeof(*service));
 957         service->query = 0;
 958         service->handler = collect_volume_data;
 959         volume_data = service->data = malloc(sizeof(*volume_data));
 960         volume_data->flags = VOLUME_INIT;
 961         service->next = host->services;
 962         host->services = service;
 963         for (i = 0; i < ci->children_num; ++i) {
 964                 oconfig_item_t *item = ci->children + i;
 965
 966                 /* if (!item || !item->key || !*item->key) continue; */
 967                 if (!strcasecmp(item->key, "Multiplier")) {
 968                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 1) {
 969                                 WARNING("netapp plugin: \"Multiplier\" of host %s service GetVolPerfData needs exactly one positive integer argument.", host->name);
 970                                 continue;
 971                         }
 972                         service->skip_countdown = service->multiplier = item->values[0].value.number;
 973                 } else if (!strcasecmp(item->key, "GetDiskUtil")) {
 974                         had_df = 1;
 975                         process_volume_flag(host, volume_data, item, VOLUME_DF);
 976                 }
 977         }
 978         if (!had_df) {
 979                 volume_data->flags |= VOLUME_DF;
 980                 set_global_vol_flag(host, VOLUME_DF, 1);
 981         }
 982 /*      service = malloc(sizeof(*service));
 983         service->query = 0;
 984         service->handler = collect_snapshot_data;
 985         service->data = volume_data;
 986         service->next = temp->services;
 987         temp->services = service;*/
 988 }
 989
 990 static void build_perf_disk_config(host_config_t *temp, oconfig_item_t *ci) {
 991         int i;
 992         service_config_t *service;
 993         perf_disk_data_t *perf_disk;
 994
 995         service = malloc(sizeof(*service));
 996         service->query = 0;
 997         service->handler = collect_perf_disk_data;
 998         perf_disk = service->data = malloc(sizeof(*perf_disk));
 999         perf_disk->flags = PERF_DISK_ALL;
1000         service->next = temp->services;
1001         temp->services = service;
1002         for (i = 0; i < ci->children_num; ++i) {
1003                 oconfig_item_t *item = ci->children + i;
1004
1005                 /* if (!item || !item->key || !*item->key) continue; */
1006                 if (!strcasecmp(item->key, "Multiplier")) {
1007                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 1) {
1008                                 WARNING("netapp plugin: \"Multiplier\" of host %s service GetWaflPerfData needs exactly one positive integer argument.", ci->values[0].value.string);
1009                                 continue;
1010                         }
1011                         service->skip_countdown = service->multiplier = item->values[0].value.number;
1012                 } else if (!strcasecmp(item->key, "GetBusy")) {
1013                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1014                                 WARNING("netapp plugin: \"GetBusy\" of host %s service GetDiskPerfData needs exactly one bool argument.", ci->values[0].value.string);
1015                                 continue;
1016                         }
1017                         perf_disk->flags = (perf_disk->flags & ~PERF_SYSTEM_CPU) | (item->values[0].value.boolean ? PERF_DISK_BUSIEST : 0);
1018                 }
1019         }
1020 }
1021
1022 static void build_perf_wafl_config(host_config_t *temp, oconfig_item_t *ci) {
1023         int i;
1024         service_config_t *service;
1025         perf_wafl_data_t *perf_wafl;
1026
1027         service = malloc(sizeof(*service));
1028         service->query = 0;
1029         service->handler = collect_perf_wafl_data;
1030         perf_wafl = service->data = malloc(sizeof(*perf_wafl));
1031         perf_wafl->flags = PERF_WAFL_ALL;
1032         perf_wafl->last_name_cache_hit = 0;
1033         perf_wafl->last_name_cache_miss = 0;
1034         perf_wafl->last_find_dir_hit = 0;
1035         perf_wafl->last_find_dir_miss = 0;
1036         perf_wafl->last_buf_hash_hit = 0;
1037         perf_wafl->last_buf_hash_miss = 0;
1038         perf_wafl->last_inode_cache_hit = 0;
1039         perf_wafl->last_inode_cache_miss = 0;
1040         service->next = temp->services;
1041         temp->services = service;
1042         for (i = 0; i < ci->children_num; ++i) {
1043                 oconfig_item_t *item = ci->children + i;
1044
1045                 /* if (!item || !item->key || !*item->key) continue; */
1046                 if (!strcasecmp(item->key, "Multiplier")) {
1047                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 1) {
1048                                 WARNING("netapp plugin: \"Multiplier\" of host %s service GetWaflPerfData needs exactly one positive integer argument.", ci->values[0].value.string);
1049                                 continue;
1050                         }
1051                         service->skip_countdown = service->multiplier = item->values[0].value.number;
1052                 } else if (!strcasecmp(item->key, "GetNameCache")) {
1053                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1054                                 WARNING("netapp plugin: \"GetNameCache\" of host %s service GetWaflPerfData needs exactly one bool argument.", ci->values[0].value.string);
1055                                 continue;
1056                         }
1057                         perf_wafl->flags = (perf_wafl->flags & ~PERF_WAFL_NAME_CACHE) | (item->values[0].value.boolean ? PERF_WAFL_NAME_CACHE : 0);
1058                 } else if (!strcasecmp(item->key, "GetDirCache")) {
1059                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1060                                 WARNING("netapp plugin: \"GetDirChache\" of host %s service GetWaflPerfData needs exactly one bool argument.", ci->values[0].value.string);
1061                                 continue;
1062                         }
1063                         perf_wafl->flags = (perf_wafl->flags & ~PERF_WAFL_DIR_CACHE) | (item->values[0].value.boolean ? PERF_WAFL_DIR_CACHE : 0);
1064                 } else if (!strcasecmp(item->key, "GetBufCache")) {
1065                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1066                                 WARNING("netapp plugin: \"GetBufCache\" of host %s service GetWaflPerfData needs exactly one bool argument.", ci->values[0].value.string);
1067                                 continue;
1068                         }
1069                         perf_wafl->flags = (perf_wafl->flags & ~PERF_WAFL_BUF_CACHE) | (item->values[0].value.boolean ? PERF_WAFL_BUF_CACHE : 0);
1070                 } else if (!strcasecmp(item->key, "GetInodeCache")) {
1071                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1072                                 WARNING("netapp plugin: \"GetInodeCache\" of host %s service GetWaflPerfData needs exactly one bool argument.", ci->values[0].value.string);
1073                                 continue;
1074                         }
1075                         perf_wafl->flags = (perf_wafl->flags & ~PERF_WAFL_INODE_CACHE) | (item->values[0].value.boolean ? PERF_WAFL_INODE_CACHE : 0);
1076                 }
1077         }
1078 }
1079
1080 static void build_perf_sys_config(host_config_t *temp, oconfig_item_t *ci, const service_config_t *default_service) {
1081         int i;
1082         service_config_t *service;
1083         perf_system_data_t *perf_system;
1084
1085         service = malloc(sizeof(*service));
1086         *service = *default_service;
1087         service->handler = collect_perf_system_data;
1088         perf_system = service->data = malloc(sizeof(*perf_system));
1089         perf_system->flags = PERF_SYSTEM_ALL;
1090         perf_system->last_cpu_busy = 0;
1091         perf_system->last_cpu_total = 0;
1092         service->next = temp->services;
1093         temp->services = service;
1094         for (i = 0; i < ci->children_num; ++i) {
1095                 oconfig_item_t *item = ci->children + i;
1096
1097                 /* if (!item || !item->key || !*item->key) continue; */
1098                 if (!strcasecmp(item->key, "Multiplier")) {
1099                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 1) {
1100                                 WARNING("netapp plugin: \"Multiplier\" of host %s service GetSystemPerfData needs exactly one positive integer argument.", ci->values[0].value.string);
1101                                 continue;
1102                         }
1103                         service->skip_countdown = service->multiplier = item->values[0].value.number;
1104                 } else if (!strcasecmp(item->key, "GetCPULoad")) {
1105                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1106                                 WARNING("netapp plugin: \"GetCPULoad\" of host %s service GetSystemPerfData needs exactly one bool argument.", ci->values[0].value.string);
1107                                 continue;
1108                         }
1109                         perf_system->flags = (perf_system->flags & ~PERF_SYSTEM_CPU) | (item->values[0].value.boolean ? PERF_SYSTEM_CPU : 0);
1110                 } else if (!strcasecmp(item->key, "GetInterfaces")) {
1111                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1112                                 WARNING("netapp plugin: \"GetInterfaces\" of host %s service GetSystemPerfData needs exactly one bool argument.", ci->values[0].value.string);
1113                                 continue;
1114                         }
1115                         perf_system->flags = (perf_system->flags & ~PERF_SYSTEM_NET) | (item->values[0].value.boolean ? PERF_SYSTEM_NET : 0);
1116                 } else if (!strcasecmp(item->key, "GetDiskOps")) {
1117                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1118                                 WARNING("netapp plugin: \"GetDiskOps\" of host %s service GetSystemPerfData needs exactly one bool argument.", ci->values[0].value.string);
1119                                 continue;
1120                         }
1121                         perf_system->flags = (perf_system->flags & ~PERF_SYSTEM_OPS) | (item->values[0].value.boolean ? PERF_SYSTEM_OPS : 0);
1122                 } else if (!strcasecmp(item->key, "GetDiskIO")) {
1123                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN) {
1124                                 WARNING("netapp plugin: \"GetDiskIO\" of host %s service GetSystemPerfData needs exactly one bool argument.", ci->values[0].value.string);
1125                                 continue;
1126                         }
1127                         perf_system->flags = (perf_system->flags & ~PERF_SYSTEM_DISK) | (item->values[0].value.boolean ? PERF_SYSTEM_DISK : 0);
1128                 }
1129         }
1130 }
1131
1132 static host_config_t *build_host_config(const oconfig_item_t *ci, const host_config_t *default_host, const service_config_t *def_def_service) {
1133         int i;
1134         oconfig_item_t *item;
1135         host_config_t *host, *hc, temp = *default_host;
1136         service_config_t default_service = *def_def_service;
1137
1138         if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1139                 WARNING("netapp plugin: \"Host\" needs exactly one string argument. Ignoring host block.");
1140                 return 0;
1141         }
1142
1143         temp.name = ci->values[0].value.string;
1144         for (i = 0; i < ci->children_num; ++i) {
1145                 item = ci->children + i;
1146
1147                 /* if (!item || !item->key || !*item->key) continue; */
1148                 if (!strcasecmp(item->key, "Address")) {
1149                         if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING)) {
1150                                 WARNING("netapp plugin: \"Name\" needs exactly one string argument. Ignoring host block \"%s\".", ci->values[0].value.string);
1151                                 return 0;
1152                         }
1153                         temp.host = item->values[0].value.string;
1154                 } else if (!strcasecmp(item->key, "Port")) {
1155                         if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_NUMBER) || (item->values[0].value.number != (int) (item->values[0].value.number)) || (item->values[0].value.number < 1) || (item->values[0].value.number > 65535)) {
1156                                 WARNING("netapp plugin: \"Port\" needs exactly one integer argument in the range of 1-65535. Ignoring host block \"%s\".", ci->values[0].value.string);
1157                                 return 0;
1158                         }
1159                         temp.port = item->values[0].value.number;
1160                 } else if (!strcasecmp(item->key, "Protocol")) {
1161                         if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING) || (strcasecmp(item->values[0].value.string, "http") && strcasecmp(item->values[0].value.string, "https"))) {
1162                                 WARNING("netapp plugin: \"Protocol\" needs to be either \"http\" or \"https\". Ignoring host block \"%s\".", ci->values[0].value.string);
1163                                 return 0;
1164                         }
1165                         if (!strcasecmp(item->values[0].value.string, "http")) temp.protocol = NA_SERVER_TRANSPORT_HTTP;
1166                         else temp.protocol = NA_SERVER_TRANSPORT_HTTPS;
1167                 } else if (!strcasecmp(item->key, "Login")) {
1168                         if ((item->values_num != 2) || (item->values[0].type != OCONFIG_TYPE_STRING) || (item->values[1].type != OCONFIG_TYPE_STRING)) {
1169                                 WARNING("netapp plugin: \"Login\" needs exactly two string arguments, username and password. Ignoring host block \"%s\".", ci->values[0].value.string);
1170                                 return 0;
1171                         }
1172                         temp.username = item->values[0].value.string;
1173                         temp.password = item->values[1].value.string;
1174                 } else if (!strcasecmp(item->key, "Interval")) {
1175                         if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 2) {
1176                                 WARNING("netapp plugin: \"Interval\" of host %s needs exactly one integer argument.", ci->values[0].value.string);
1177                                 continue;
1178                         }
1179                         temp.interval = item->values[0].value.number;
1180                 } else if (!strcasecmp(item->key, "GetVolumePerfData")) {
1181                         build_perf_vol_config(&temp, item);
1182                 } else if (!strcasecmp(item->key, "GetSystemPerfData")) {
1183                         build_perf_sys_config(&temp, item, &default_service);
1184 /*                      if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING)) {
1185                                 WARNING("netapp plugin: \"Collect\" needs exactly one string argument. Ignoring collect block for \"%s\".", ci->values[0].value.string);
1186                                 continue;
1187                         }
1188                         build_collect_config(&temp, item);*/
1189                 } else if (!strcasecmp(item->key, "GetWaflPerfData")) {
1190                         build_perf_wafl_config(&temp, item);
1191                 } else if (!strcasecmp(item->key, "GetDiskPerfData")) {
1192                         build_perf_disk_config(&temp, item);
1193                 } else if (!strcasecmp(item->key, "GetVolumeData")) {
1194                         build_volume_config(&temp, item);
1195                 } else {
1196                         WARNING("netapp plugin: Ignoring unknown config option \"%s\" in host block \"%s\".", item->key, ci->values[0].value.string);
1197                 }
1198         }
1199
1200         if (!temp.host) temp.host = temp.name;
1201         if (!temp.port) temp.port = temp.protocol == NA_SERVER_TRANSPORT_HTTP ? 80 : 443;
1202         if (!temp.username) {
1203                 WARNING("netapp plugin: Please supply login information for host \"%s\". Ignoring host block.", temp.name);
1204                 return 0;
1205         }
1206         for (hc = host_config; hc; hc = hc->next) {
1207                 if (!strcasecmp(hc->name, temp.name)) WARNING("netapp plugin: Duplicate definition of host \"%s\". This is probably a bad idea.", hc->name);
1208         }
1209         host = malloc(sizeof(*host));
1210         *host = temp;
1211         host->name = strdup(temp.name);
1212         host->protocol = temp.protocol;
1213         host->host = strdup(temp.host);
1214         host->username = strdup(temp.username);
1215         host->password = strdup(temp.password);
1216         host->next = host_config;
1217         host_config = host;
1218         return host;
1219 }
1220
1221 static int build_config (oconfig_item_t *ci) {
1222         int i;
1223         oconfig_item_t *item;
1224         host_config_t default_host = HOST_INIT;
1225         service_config_t default_service = SERVICE_INIT;
1226
1227         for (i = 0; i < ci->children_num; ++i) {
1228                 item = ci->children + i;
1229
1230                 /* if (!item || !item->key || !*item->key) continue; */
1231                 if (!strcasecmp(item->key, "Host")) {
1232                         build_host_config(item, &default_host, &default_service);
1233                 } else {
1234                         WARNING("netapp plugin: Ignoring unknown config option \"%s\".", item->key);
1235                 }
1236         }
1237         return 0;
1238 }
1239
1240 static int netapp_read() {
1241         na_elem_t *out;
1242         host_config_t *host;
1243         service_config_t *service;
1244
1245         for (host = host_config; host; host = host->next) {
1246                 for (service = host->services; service; service = service->next) {
1247                         if (--service->skip_countdown > 0) continue;
1248                         service->skip_countdown = service->multiplier;
1249                         out = na_server_invoke_elem(host->srv, service->query);
1250                         if (na_results_status(out) != NA_OK) {
1251                                 int netapp_errno = na_results_errno(out);
1252                                 ERROR("netapp plugin: Error %d from host %s: %s", netapp_errno, host->name, na_results_reason(out));
1253                                 na_elem_free(out);
1254                                 if (netapp_errno == EIO || netapp_errno == ETIMEDOUT) {
1255                                         /* Network problems. Just give up on all other services on this host. */
1256                                         break;
1257                                 }
1258                                 continue;
1259                         }
1260                         service->handler(host, out, service->data);
1261                         na_elem_free(out);
1262                 }
1263         }
1264         return 0;
1265 }
1266
1267 void module_register() {
1268         plugin_register_complex_config("netapp", build_config);
1269         plugin_register_init("netapp", config_init);
1270         plugin_register_read("netapp", netapp_read);
1271 }
1272
1273 /* vim: set sw=2 ts=2 noet fdm=marker : */