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 } perf_system_data_t;
  48
  49 /*!
  50  * \brief Persistent data for WAFL performence counters. (a.k.a. cache performence)
  51  */
  52
  53 #define PERF_WAFL_NAME_CACHE       0x01
  54 #define PERF_WAFL_DIR_CACHE        0x02
  55 #define PERF_WAFL_BUF_CACHE        0x04
  56 #define PERF_WAFL_INODE_CACHE      0x08
  57 #define PERF_WAFL_ALL              0x0F
  58
  59 typedef struct {
  60         uint32_t flags;
  61         uint64_t last_name_cache_hit;
  62         uint64_t last_name_cache_miss;
  63         uint64_t last_find_dir_hit;
  64         uint64_t last_find_dir_miss;
  65         uint64_t last_buf_hash_hit;
  66         uint64_t last_buf_hash_miss;
  67         uint64_t last_inode_cache_hit;
  68         uint64_t last_inode_cache_miss;
  69 } perf_wafl_data_t;
  70
  71 #define PERF_VOLUME_INIT           0x01
  72 #define PERF_VOLUME_IO             0x02
  73 #define PERF_VOLUME_OPS            0x03
  74 #define PERF_VOLUME_LATENCY        0x08
  75 #define PERF_VOLUME_ALL            0x0F
  76
  77 typedef struct {
  78         uint32_t flags;
  79 } perf_volume_data_t;
  80
  81 typedef struct {
  82         uint32_t flags;
  83 } volume_data_t;
  84
  85 #define PERF_DISK_BUSIEST          0x01
  86 #define PERF_DISK_ALL              0x01
  87
  88 typedef struct {
  89         uint32_t flags;
  90 } perf_disk_data_t;
  91
  92 typedef struct {
  93         uint32_t flags;
  94         time_t last_timestamp;
  95         uint64_t last_read_latency;
  96         uint64_t last_write_latency;
  97         uint64_t last_read_ops;
  98         uint64_t last_write_ops;
  99 } per_volume_perf_data_t;
 100
 101 #define VOLUME_INIT           0x01
 102 #define VOLUME_DF             0x02
 103 #define VOLUME_SNAP           0x04
 104
 105 typedef struct {
 106         uint32_t flags;
 107 } per_volume_data_t;
 108
 109 typedef struct {
 110         time_t last_update;
 111         double last_disk_busy_percent;
 112         uint64_t last_disk_busy;
 113         uint64_t last_base_for_disk_busy;
 114 } per_disk_perf_data_t;
 115
 116 typedef struct service_config_s {
 117         na_elem_t *query;
 118         service_handler_t *handler;
 119         int multiplier;
 120         int skip_countdown;
 121         int interval;
 122         void *data;
 123         struct service_config_s *next;
 124 } service_config_t;
 125
 126 #define SERVICE_INIT {0, 0, 1, 1, 0, 0, 0}
 127
 128 typedef struct volume_s {
 129         char *name;
 130         per_volume_perf_data_t perf_data;
 131         per_volume_data_t volume_data;
 132         struct volume_s *next;
 133 } volume_t;
 134
 135 /*!
 136  * \brief A disk in the netapp.
 137  *
 138  * A disk doesn't have any more information than its name atm.
 139  * The name includes the "disk_" prefix.
 140  */
 141
 142 typedef struct disk_s {
 143         char *name;
 144         per_disk_perf_data_t perf_data;
 145         struct disk_s *next;
 146 } disk_t;
 147
 148 #define DISK_INIT {0, {0, 0, 0, 0}, 0}
 149
 150 struct host_config_s {
 151         na_server_t *srv;
 152         char *name;
 153         na_server_transport_t protocol;
 154         char *host;
 155         int port;
 156         char *username;
 157         char *password;
 158         int interval;
 159         service_config_t *services;
 160         disk_t *disks;
 161         volume_t *volumes;
 162         struct host_config_s *next;
 163 };
 164
 165 #define HOST_INIT {0, 0, NA_SERVER_TRANSPORT_HTTPS, 0, 0, 0, 0, 10, 0, 0, 0}
 166
 167 static host_config_t *host_config;
 168
 169 static volume_t *get_volume (host_config_t *host, const char *name) /* {{{ */
 170 {
 171         volume_t *v;
 172
 173         if (name == NULL)
 174                 return (NULL);
 175
 176         for (v = host->volumes; v; v = v->next) {
 177                 if (strcmp(v->name, name) == 0)
 178                         return v;
 179         }
 180
 181         v = malloc(sizeof(*v));
 182         if (v == NULL)
 183                 return (NULL);
 184         memset (v, 0, sizeof (*v));
 185
 186         v->name = strdup(name);
 187         if (v->name == NULL) {
 188                 sfree (v);
 189                 return (NULL);
 190         }
 191
 192         v->next = host->volumes;
 193         host->volumes = v;
 194
 195         return v;
 196 } /* }}} volume_t *get_volume */
 197
 198 static disk_t *get_disk(host_config_t *host, const char *name) /* {{{ */
 199 {
 200         disk_t *v, init = DISK_INIT;
 201
 202         if (name == NULL)
 203                 return (NULL);
 204
 205         for (v = host->disks; v; v = v->next) {
 206                 if (strcmp(v->name, name) == 0)
 207                         return v;
 208         }
 209         v = malloc(sizeof(*v));
 210         if (v == NULL)
 211                 return (NULL);
 212
 213         *v = init;
 214         v->name = strdup(name);
 215         if (v->name == NULL) {
 216                 sfree (v);
 217                 return (NULL);
 218         }
 219
 220         v->next = host->disks;
 221         host->disks = v;
 222
 223         return v;
 224 } /* }}} disk_t *get_disk */
 225
 226 static int submit_values (const char *host, /* {{{ */
 227                 const char *plugin_inst,
 228                 const char *type, const char *type_inst,
 229                 value_t *values, int values_len,
 230                 time_t timestamp)
 231 {
 232         value_list_t vl = VALUE_LIST_INIT;
 233
 234         vl.values = values;
 235         vl.values_len = values_len;
 236
 237         if (timestamp > 0)
 238                 vl.time = timestamp;
 239
 240         if (host != NULL)
 241                 sstrncpy (vl.host, host, sizeof (vl.host));
 242         else
 243                 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 244         sstrncpy (vl.plugin, "netapp", sizeof (vl.plugin));
 245         if (plugin_inst != NULL)
 246                 sstrncpy (vl.plugin_instance, plugin_inst, sizeof (vl.plugin_instance));
 247         sstrncpy (vl.type, type, sizeof (vl.type));
 248         if (type_inst != NULL)
 249                 sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
 250
 251         return (plugin_dispatch_values (&vl));
 252 } /* }}} int submit_uint64 */
 253
 254 static int submit_two_counters (const char *host, const char *plugin_inst, /* {{{ */
 255                 const char *type, const char *type_inst, counter_t val0, counter_t val1,
 256                 time_t timestamp)
 257 {
 258         value_t values[2];
 259
 260         values[0].counter = val0;
 261         values[1].counter = val1;
 262
 263         return (submit_values (host, plugin_inst, type, type_inst,
 264                                 values, 2, timestamp));
 265 } /* }}} int submit_two_counters */
 266
 267 static int submit_counter (const char *host, const char *plugin_inst, /* {{{ */
 268                 const char *type, const char *type_inst, counter_t counter, time_t timestamp)
 269 {
 270         value_t v;
 271
 272         v.counter = counter;
 273
 274         return (submit_values (host, plugin_inst, type, type_inst,
 275                                 &v, 1, timestamp));
 276 } /* }}} int submit_counter */
 277
 278 static int submit_double (const char *host, const char *plugin_inst, /* {{{ */
 279                 const char *type, const char *type_inst, double d, time_t timestamp)
 280 {
 281         value_t v;
 282
 283         v.gauge = (gauge_t) d;
 284
 285         return (submit_values (host, plugin_inst, type, type_inst,
 286                                 &v, 1, timestamp));
 287 } /* }}} int submit_uint64 */
 288
 289 static int submit_cache_ratio (const char *host, /* {{{ */
 290                 const char *plugin_inst,
 291                 const char *type_inst,
 292                 uint64_t new_hits,
 293                 uint64_t new_misses,
 294                 uint64_t *old_hits,
 295                 uint64_t *old_misses,
 296                 time_t timestamp)
 297 {
 298         value_t v;
 299
 300         if ((new_hits >= (*old_hits)) && (new_misses >= (*old_misses))) {
 301                 uint64_t hits;
 302                 uint64_t misses;
 303
 304                 hits = new_hits - (*old_hits);
 305                 misses = new_misses - (*old_misses);
 306
 307                 v.gauge = 100.0 * ((gauge_t) hits) / ((gauge_t) (hits + misses));
 308         } else {
 309                 v.gauge = NAN;
 310         }
 311
 312         *old_hits = new_hits;
 313         *old_misses = new_misses;
 314
 315         return (submit_values (host, plugin_inst, "cache_ratio", type_inst,
 316                                 &v, 1, timestamp));
 317 } /* }}} int submit_cache_ratio */
 318
 319 static void collect_perf_wafl_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
 320         perf_wafl_data_t *wafl = data;
 321         uint64_t name_cache_hit  = 0,  name_cache_miss  = 0;
 322         uint64_t find_dir_hit    = 0,  find_dir_miss    = 0;
 323         uint64_t buf_hash_hit    = 0,  buf_hash_miss    = 0;
 324         uint64_t inode_cache_hit = 0,  inode_cache_miss = 0;
 325         const char *plugin_inst;
 326         time_t timestamp;
 327         na_elem_t *counter;
 328
 329         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 330         out = na_elem_child(na_elem_child(out, "instances"), "instance-data");
 331         plugin_inst = na_child_get_string(out, "name");
 332
 333         /* Iterate over all counters */
 334         na_elem_iter_t iter = na_child_iterator(na_elem_child(out, "counters"));
 335         for (counter = na_iterator_next(&iter); counter; counter = na_iterator_next(&iter)) {
 336                 const char *name;
 337
 338                 name = na_child_get_string(counter, "name");
 339                 if (!strcmp(name, "name_cache_hit"))
 340                         name_cache_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 341                 else if (!strcmp(name, "name_cache_miss"))
 342                         name_cache_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 343                 else if (!strcmp(name, "find_dir_hit"))
 344                         find_dir_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 345                 else if (!strcmp(name, "find_dir_miss"))
 346                         find_dir_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 347                 else if (!strcmp(name, "buf_hash_hit"))
 348                         buf_hash_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 349                 else if (!strcmp(name, "buf_hash_miss"))
 350                         buf_hash_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 351                 else if (!strcmp(name, "inode_cache_hit"))
 352                         inode_cache_hit = na_child_get_uint64(counter, "value", UINT64_MAX);
 353                 else if (!strcmp(name, "inode_cache_miss"))
 354                         inode_cache_miss = na_child_get_uint64(counter, "value", UINT64_MAX);
 355                 else
 356                         DEBUG("netapp plugin: Found unexpected child: %s", name);
 357         }
 358
 359         /* Submit requested counters */
 360         if ((wafl->flags & PERF_WAFL_NAME_CACHE)
 361                         && (name_cache_hit != UINT64_MAX) && (name_cache_miss != UINT64_MAX))
 362                 submit_cache_ratio (host->name, plugin_inst, "name_cache_hit",
 363                                 name_cache_hit, name_cache_miss,
 364                                 &wafl->last_name_cache_hit, &wafl->last_name_cache_miss,
 365                                 timestamp);
 366
 367         if ((wafl->flags & PERF_WAFL_DIR_CACHE)
 368                         && (find_dir_hit != UINT64_MAX) && (find_dir_miss != UINT64_MAX))
 369                 submit_cache_ratio (host->name, plugin_inst, "find_dir_hit",
 370                                 find_dir_hit, find_dir_miss,
 371                                 &wafl->last_find_dir_hit, &wafl->last_find_dir_miss,
 372                                 timestamp);
 373
 374         if ((wafl->flags & PERF_WAFL_BUF_CACHE)
 375                         && (buf_hash_hit != UINT64_MAX) && (buf_hash_miss != UINT64_MAX))
 376                 submit_cache_ratio (host->name, plugin_inst, "buf_hash_hit",
 377                                 buf_hash_hit, buf_hash_miss,
 378                                 &wafl->last_buf_hash_hit, &wafl->last_buf_hash_miss,
 379                                 timestamp);
 380
 381         if ((wafl->flags & PERF_WAFL_INODE_CACHE)
 382                         && (inode_cache_hit != UINT64_MAX) && (inode_cache_miss != UINT64_MAX))
 383                 submit_cache_ratio (host->name, plugin_inst, "inode_cache_hit",
 384                                 inode_cache_hit, inode_cache_miss,
 385                                 &wafl->last_inode_cache_hit, &wafl->last_inode_cache_miss,
 386                                 timestamp);
 387 } /* }}} void collect_perf_wafl_data */
 388
 389 static void collect_perf_disk_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
 390         perf_disk_data_t *perf = data;
 391         const char *name;
 392         time_t timestamp;
 393         na_elem_t *counter, *inst;
 394         disk_t *disk, *worst_disk = 0;
 395
 396         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 397         out = na_elem_child(out, "instances");
 398
 399         /* Iterate over all children */
 400         na_elem_iter_t inst_iter = na_child_iterator(out);
 401         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 402                 uint64_t disk_busy = 0;
 403                 uint64_t base_for_disk_busy = 0;
 404
 405                 disk = get_disk(host, na_child_get_string(inst, "name"));
 406                 if (disk == NULL)
 407                         continue;
 408
 409                 /* Look for the "disk_busy" and "base_for_disk_busy" counters */
 410                 na_elem_iter_t count_iter = na_child_iterator(na_elem_child(inst, "counters"));
 411                 for (counter = na_iterator_next(&count_iter); counter; counter = na_iterator_next(&count_iter)) {
 412                         name = na_child_get_string(counter, "name");
 413                         if (name == NULL)
 414                                 continue;
 415
 416                         if (strcmp(name, "disk_busy") == 0)
 417                                 disk_busy = na_child_get_uint64(counter, "value", UINT64_MAX);
 418                         else if (strcmp(name, "base_for_disk_busy") == 0)
 419                                 base_for_disk_busy = na_child_get_uint64(counter, "value", UINT64_MAX);
 420                 }
 421
 422                 if ((disk_busy == UINT64_MAX) || (base_for_disk_busy == UINT64_MAX))
 423                 {
 424                         disk->perf_data.last_disk_busy = 0;
 425                         disk->perf_data.last_base_for_disk_busy = 0;
 426                         continue;
 427                 }
 428
 429                 disk->perf_data.last_update = timestamp;
 430                 if ((disk_busy >= disk->perf_data.last_disk_busy)
 431                                 && (base_for_disk_busy >= disk->perf_data.last_base_for_disk_busy))
 432                 {
 433                         uint64_t disk_busy_diff;
 434                         uint64_t base_diff;
 435
 436                         disk_busy_diff = disk_busy - disk->perf_data.last_disk_busy;
 437                         base_diff = base_for_disk_busy - disk->perf_data.last_base_for_disk_busy;
 438
 439                         if (base_diff == 0)
 440                                 disk->perf_data.last_disk_busy_percent = NAN;
 441                         else
 442                                 disk->perf_data.last_disk_busy_percent = 100.0
 443                                         * ((gauge_t) disk_busy_diff) / ((gauge_t) base_diff);
 444                 }
 445                 else
 446                 {
 447                         disk->perf_data.last_disk_busy_percent = NAN;
 448                 }
 449
 450                 disk->perf_data.last_disk_busy = disk_busy;
 451                 disk->perf_data.last_base_for_disk_busy = base_for_disk_busy;
 452
 453                 if ((worst_disk == NULL)
 454                                 || (worst_disk->perf_data.last_disk_busy_percent < disk->perf_data.last_disk_busy_percent))
 455                         worst_disk = disk;
 456         }
 457
 458         if ((perf->flags & PERF_DISK_BUSIEST) && (worst_disk != NULL))
 459                 submit_double (host->name, "system", "percent", "disk_busy",
 460                                 worst_disk->perf_data.last_disk_busy_percent, timestamp);
 461 } /* }}} void collect_perf_disk_data */
 462
 463 static void collect_volume_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
 464         na_elem_t *inst;
 465         volume_t *volume;
 466         volume_data_t *volume_data = data;
 467
 468         out = na_elem_child(out, "volumes");
 469         na_elem_iter_t inst_iter = na_child_iterator(out);
 470         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 471                 uint64_t size_free = 0, size_used = 0, snap_reserved = 0;
 472
 473                 na_elem_t *sis;
 474                 const char *sis_state;
 475                 uint64_t sis_saved_reported;
 476                 uint64_t sis_saved;
 477
 478                 volume = get_volume(host, na_child_get_string(inst, "name"));
 479                 if (volume == NULL)
 480                         continue;
 481
 482                 if (!(volume->volume_data.flags & VOLUME_INIT))
 483                         volume->volume_data.flags = volume_data->flags;
 484
 485                 if (!(volume->volume_data.flags & VOLUME_DF))
 486                         continue;
 487
 488                 /* 2^4 exa-bytes? This will take a while ;) */
 489                 size_free = na_child_get_uint64(inst, "size-available", UINT64_MAX);
 490                 if (size_free != UINT64_MAX)
 491                         submit_double (host->name, volume->name, "df_complex", "used",
 492                                         (double) size_used, /* time = */ 0);
 493
 494                 size_used = na_child_get_uint64(inst, "size-used", UINT64_MAX);
 495                 if (size_free != UINT64_MAX)
 496                         submit_double (host->name, volume->name, "df_complex", "free",
 497                                         (double) size_free, /* time = */ 0);
 498
 499                 snap_reserved = na_child_get_uint64(inst, "snapshot-blocks-reserved", UINT64_MAX);
 500                 if (snap_reserved != UINT64_MAX)
 501                         /* 1 block == 1024 bytes  as per API docs */
 502                         submit_double (host->name, volume->name, "df_complex", "snap_reserved",
 503                                         (double) (1024 * snap_reserved), /* time = */ 0);
 504
 505                 sis = na_elem_child(inst, "sis");
 506                 if (sis == NULL)
 507                         continue;
 508
 509                 sis_state = na_child_get_string(sis, "state");
 510                 if ((sis_state == NULL)
 511                                 || (strcmp ("enabled", sis_state) != 0))
 512                         continue;
 513
 514                 sis_saved_reported = na_child_get_uint64(sis, "size-saved", UINT64_MAX);
 515                 if (sis_saved_reported == UINT64_MAX)
 516                         continue;
 517
 518                 /* size-saved is actually a 32 bit number, so ... time for some guesswork. */
 519                 if ((sis_saved_reported >> 32) != 0) {
 520                         /* In case they ever fix this bug. */
 521                         sis_saved = sis_saved_reported;
 522                 } else {
 523                         uint64_t sis_saved_percent;
 524                         uint64_t sis_saved_guess;
 525                         uint64_t overflow_guess;
 526                         uint64_t guess1, guess2, guess3;
 527
 528                         sis_saved_percent = na_child_get_uint64(sis, "percentage-saved", UINT64_MAX);
 529                         if (sis_saved_percent > 100)
 530                                 continue;
 531
 532                         /* The "size-saved" value is a 32bit unsigned integer. This is a bug and
 533                          * will hopefully be fixed in later versions. To work around the bug, try
 534                          * to figure out how often the 32bit integer wrapped around by using the
 535                          * "percentage-saved" value. Because the percentage is in the range
 536                          * [0-100], this should work as long as the saved space does not exceed
 537                          * 400 GBytes. */
 538                         /* percentage-saved = size-saved / (size-saved + size-used) */
 539                         if (sis_saved_percent < 100)
 540                                 sis_saved_guess = size_used * sis_saved_percent / (100 - sis_saved_percent);
 541                         else
 542                                 sis_saved_guess = size_used;
 543
 544                         overflow_guess = sis_saved_guess >> 32;
 545                         guess1 = overflow_guess ? ((overflow_guess - 1) << 32) + sis_saved_reported : sis_saved_reported;
 546                         guess2 = (overflow_guess << 32) + sis_saved_reported;
 547                         guess3 = ((overflow_guess + 1) << 32) + sis_saved_reported;
 548
 549                         if (sis_saved_guess < guess2) {
 550                                 if ((sis_saved_guess - guess1) < (guess2 - sis_saved_guess))
 551                                         sis_saved = guess1;
 552                                 else
 553                                         sis_saved = guess2;
 554                         } else {
 555                                 if ((sis_saved_guess - guess2) < (guess3 - sis_saved_guess))
 556                                         sis_saved = guess2;
 557                                 else
 558                                         sis_saved = guess3;
 559                         }
 560                 } /* end of 32-bit workaround */
 561
 562                 submit_double (host->name, volume->name, "df_complex", "sis_saved",
 563                                 (double) sis_saved, /* time = */ 0);
 564         }
 565 } /* }}} void collect_volume_data */
 566
 567 static void collect_perf_volume_data(host_config_t *host, na_elem_t *out, void *data) {
 568         perf_volume_data_t *perf = data;
 569         const char *name;
 570         time_t timestamp;
 571         na_elem_t *counter, *inst;
 572         volume_t *volume;
 573         value_t values[2];
 574         value_list_t vl = VALUE_LIST_INIT;
 575
 576         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 577         out = na_elem_child(out, "instances");
 578         na_elem_iter_t inst_iter = na_child_iterator(out);
 579         for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
 580                 uint64_t read_data = 0, write_data = 0, read_ops = 0, write_ops = 0, read_latency = 0, write_latency = 0;
 581
 582                 volume = get_volume(host, na_child_get_string(inst, "name"));
 583                 if (!volume->perf_data.flags) {
 584                         volume->perf_data.flags = perf->flags;
 585                         volume->perf_data.last_read_latency = volume->perf_data.last_read_ops = 0;
 586                         volume->perf_data.last_write_latency = volume->perf_data.last_write_ops = 0;
 587                 }
 588                 na_elem_iter_t count_iter = na_child_iterator(na_elem_child(inst, "counters"));
 589                 for (counter = na_iterator_next(&count_iter); counter; counter = na_iterator_next(&count_iter)) {
 590                         name = na_child_get_string(counter, "name");
 591                         if (!strcmp(name, "read_ops")) {
 592                                 read_ops = na_child_get_uint64(counter, "value", 0);
 593                         } else if (!strcmp(name, "write_ops")) {
 594                                 write_ops = na_child_get_uint64(counter, "value", 0);
 595                         } else if (!strcmp(name, "read_data")) {
 596                                 read_data = na_child_get_uint64(counter, "value", 0);
 597                         } else if (!strcmp(name, "write_data")) {
 598                                 write_data = na_child_get_uint64(counter, "value", 0);
 599                         } else if (!strcmp(name, "read_latency")) {
 600                                 read_latency = na_child_get_uint64(counter, "value", 0);
 601                         } else if (!strcmp(name, "write_latency")) {
 602                                 write_latency = na_child_get_uint64(counter, "value", 0);
 603                         }
 604                 }
 605                 if (read_ops && write_ops) {
 606                         values[0].counter = read_ops;
 607                         values[1].counter = write_ops;
 608                         vl.values = values;
 609                         vl.values_len = 2;
 610                         vl.time = timestamp;
 611                         vl.interval = interval_g;
 612                         sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 613                         sstrncpy(vl.host, host->name, sizeof(vl.host));
 614                         sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 615                         sstrncpy(vl.type, "disk_ops", sizeof(vl.type));
 616                         vl.type_instance[0] = 0;
 617                         if (volume->perf_data.flags & PERF_VOLUME_OPS) {
 618                                 /* We might need the data even if it wasn't configured to calculate
 619                                    the latency. Therefore we just skip the dispatch. */
 620                                 DEBUG("%s/netapp-%s/disk_ops: %"PRIu64" %"PRIu64, host->name, volume->name, read_ops, write_ops);
 621                                 plugin_dispatch_values(&vl);
 622                         }
 623                         if ((volume->perf_data.flags & PERF_VOLUME_LATENCY) && read_latency && write_latency) {
 624                                 values[0].gauge = 0;
 625                                 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);
 626                                 values[1].gauge = 0;
 627                                 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);
 628                                 vl.values = values;
 629                                 vl.values_len = 2;
 630                                 vl.time = timestamp;
 631                                 vl.interval = interval_g;
 632                                 sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 633                                 sstrncpy(vl.host, host->name, sizeof(vl.host));
 634                                 sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 635                                 sstrncpy(vl.type, "disk_latency", sizeof(vl.type));
 636                                 vl.type_instance[0] = 0;
 637                                 if (volume->perf_data.last_read_ops && volume->perf_data.last_write_ops) {
 638                                         DEBUG("%s/netapp-%s/disk_latency: ro: %"PRIu64" lro: %"PRIu64" "
 639                                                         "rl: %"PRIu64" lrl: %"PRIu64" "
 640                                                         "%llu %llu",
 641                                                         host->name, volume->name,
 642                                                         read_ops, volume->perf_data.last_read_ops,
 643                                                         read_latency, volume->perf_data.last_read_latency,
 644                                                         values[0].counter, values[1].counter);
 645                                         plugin_dispatch_values(&vl);
 646                                 }
 647                                 volume->perf_data.last_timestamp = timestamp;
 648                                 volume->perf_data.last_read_latency = read_latency;
 649                                 volume->perf_data.last_read_ops = read_ops;
 650                                 volume->perf_data.last_write_latency = write_latency;
 651                                 volume->perf_data.last_write_ops = write_ops;
 652                         }
 653                 }
 654                 if ((volume->perf_data.flags & PERF_VOLUME_IO) && read_data && write_data) {
 655                         values[0].counter = read_data;
 656                         values[1].counter = write_data;
 657                         vl.values = values;
 658                         vl.values_len = 2;
 659                         vl.time = timestamp;
 660                         vl.interval = interval_g;
 661                         sstrncpy(vl.plugin, "netapp", sizeof(vl.plugin));
 662                         sstrncpy(vl.host, host->name, sizeof(vl.host));
 663                         sstrncpy(vl.plugin_instance, volume->name, sizeof(vl.plugin_instance));
 664                         sstrncpy(vl.type, "disk_octets", sizeof(vl.type));
 665                         vl.type_instance[0] = 0;
 666                         DEBUG("%s/netapp-%s/disk_octets: %"PRIu64" %"PRIu64, host->name, volume->name, read_data, write_data);
 667                         plugin_dispatch_values (&vl);
 668                 }
 669         }
 670 }
 671
 672 static void collect_perf_system_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
 673         counter_t disk_read = 0, disk_written = 0;
 674         counter_t net_recv = 0, net_sent = 0;
 675         counter_t cpu_busy = 0, cpu_total = 0;
 676         unsigned int counter_flags = 0;
 677
 678         perf_system_data_t *perf = data;
 679         const char *instance;
 680         time_t timestamp;
 681         na_elem_t *counter;
 682
 683         timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
 684         out = na_elem_child(na_elem_child(out, "instances"), "instance-data");
 685         instance = na_child_get_string(out, "name");
 686
 687         na_elem_iter_t iter = na_child_iterator(na_elem_child(out, "counters"));
 688         for (counter = na_iterator_next(&iter); counter; counter = na_iterator_next(&iter)) {
 689                 const char *name;
 690                 uint64_t value;
 691
 692                 name = na_child_get_string(counter, "name");
 693                 if (name == NULL)
 694                         continue;
 695
 696                 value = na_child_get_uint64(counter, "value", UINT64_MAX);
 697                 if (value == UINT64_MAX)
 698                         continue;
 699
 700                 if (!strcmp(name, "disk_data_read")) {
 701                         disk_read = (counter_t) (value * 1024);
 702                         counter_flags |= 0x01;
 703                 } else if (!strcmp(name, "disk_data_written")) {
 704                         disk_written = (counter_t) (value * 1024);
 705                         counter_flags |= 0x02;
 706                 } else if (!strcmp(name, "net_data_recv")) {
 707                         net_recv = (counter_t) (value * 1024);
 708                         counter_flags |= 0x04;
 709                 } else if (!strcmp(name, "net_data_sent")) {
 710                         net_sent = (counter_t) (value * 1024);
 711                         counter_flags |= 0x08;
 712                 } else if (!strcmp(name, "cpu_busy")) {
 713                         cpu_busy = (counter_t) value;
 714                         counter_flags |= 0x10;
 715                 } else if (!strcmp(name, "cpu_elapsed_time")) {
 716                         cpu_total = (counter_t) value;
 717                         counter_flags |= 0x20;
 718                 } else if ((perf->flags & PERF_SYSTEM_OPS)
 719                                 && (strlen(name) > 4)
 720                                 && (!strcmp(name + strlen(name) - 4, "_ops"))) {
 721                         submit_counter (host->name, instance, "disk_ops_complex", name,
 722                                         (counter_t) value, timestamp);
 723                 }
 724         } /* for (counter) */
 725
 726         if ((perf->flags & PERF_SYSTEM_DISK)
 727                         && ((counter_flags & 0x03) == 0x03))
 728                 submit_two_counters (host->name, instance, "disk_octets", NULL,
 729                                 disk_read, disk_written, timestamp);
 730
 731         if ((perf->flags & PERF_SYSTEM_NET)
 732                         && ((counter_flags & 0x0c) == 0x0c))
 733                 submit_two_counters (host->name, instance, "if_octets", NULL,
 734                                 net_recv, net_sent, timestamp);
 735
 736         if ((perf->flags & PERF_SYSTEM_CPU)
 737                         && ((counter_flags & 0x30) == 0x30)) {
 738                 submit_counter (host->name, instance, "cpu", "system",
 739                                 cpu_busy, timestamp);
 740                 submit_counter (host->name, instance, "cpu", "idle",
 741                                 cpu_total - cpu_busy, timestamp);
 742         }
 743 } /* }}} void collect_perf_system_data */
 744
 745 static int config_init(void) { /* {{{ */
 746         char err[256];
 747         na_elem_t *e;
 748         host_config_t *host;
 749         service_config_t *service;
 750
 751         if (!host_config) {
 752                 WARNING("netapp plugin: Plugin loaded but no hosts defined.");
 753                 return 1;
 754         }
 755
 756         if (!na_startup(err, sizeof(err))) {
 757                 ERROR("netapp plugin: Error initializing netapp API: %s", err);
 758                 return 1;
 759         }
 760
 761         for (host = host_config; host; host = host->next) {
 762                 host->srv = na_server_open(host->host, 1, 1);
 763                 na_server_set_transport_type(host->srv, host->protocol, 0);
 764                 na_server_set_port(host->srv, host->port);
 765                 na_server_style(host->srv, NA_STYLE_LOGIN_PASSWORD);
 766                 na_server_adminuser(host->srv, host->username, host->password);
 767                 na_server_set_timeout(host->srv, 5);
 768                 for (service = host->services; service; service = service->next) {
 769                         service->interval = host->interval * service->multiplier;
 770                         if (service->handler == collect_perf_system_data) {
 771                                 service->query = na_elem_new("perf-object-get-instances");
 772                                 na_child_add_string(service->query, "objectname", "system");
 773                         } else if (service->handler == collect_perf_volume_data) {
 774                                 service->query = na_elem_new("perf-object-get-instances");
 775                                 na_child_add_string(service->query, "objectname", "volume");
 776 /*                              e = na_elem_new("instances");
 777                                 na_child_add_string(e, "foo", "system");
 778                                 na_child_add(root, e);*/
 779                                 e = na_elem_new("counters");
 780                                 na_child_add_string(e, "foo", "read_ops");
 781                                 na_child_add_string(e, "foo", "write_ops");
 782                                 na_child_add_string(e, "foo", "read_data");
 783                                 na_child_add_string(e, "foo", "write_data");
 784                                 na_child_add_string(e, "foo", "read_latency");
 785                                 na_child_add_string(e, "foo", "write_latency");
 786                                 na_child_add(service->query, e);
 787                         } else if (service->handler == collect_perf_wafl_data) {
 788                                 service->query = na_elem_new("perf-object-get-instances");
 789                                 na_child_add_string(service->query, "objectname", "wafl");
 790 /*                              e = na_elem_new("instances");
 791                                 na_child_add_string(e, "foo", "system");
 792                                 na_child_add(root, e);*/
 793                                 e = na_elem_new("counters");
 794                                 na_child_add_string(e, "foo", "name_cache_hit");
 795                                 na_child_add_string(e, "foo", "name_cache_miss");
 796                                 na_child_add_string(e, "foo", "find_dir_hit");
 797                                 na_child_add_string(e, "foo", "find_dir_miss");
 798                                 na_child_add_string(e, "foo", "buf_hash_hit");
 799                                 na_child_add_string(e, "foo", "buf_hash_miss");
 800                                 na_child_add_string(e, "foo", "inode_cache_hit");
 801                                 na_child_add_string(e, "foo", "inode_cache_miss");
 802                                 /* na_child_add_string(e, "foo", "inode_eject_time"); */
 803                                 /* na_child_add_string(e, "foo", "buf_eject_time"); */
 804                                 na_child_add(service->query, e);
 805                         } else if (service->handler == collect_perf_disk_data) {
 806                                 service->query = na_elem_new("perf-object-get-instances");
 807                                 na_child_add_string(service->query, "objectname", "disk");
 808                                 e = na_elem_new("counters");
 809                                 na_child_add_string(e, "foo", "disk_busy");
 810                                 na_child_add_string(e, "foo", "base_for_disk_busy");
 811                                 na_child_add(service->query, e);
 812                         } else if (service->handler == collect_volume_data) {
 813                                 service->query = na_elem_new("volume-list-info");
 814                                 /* na_child_add_string(service->query, "objectname", "volume"); */
 815                                 /* } else if (service->handler == collect_snapshot_data) { */
 816                                 /* service->query = na_elem_new("snapshot-list-info"); */
 817                         }
 818                 }
 819         }
 820         return 0;
 821 } /* }}} int config_init */
 822
 823 static int config_bool_to_flag (const oconfig_item_t *ci, /* {{{ */
 824                 uint32_t *flags, uint32_t flag)
 825 {
 826         if ((ci == NULL) || (flags == NULL))
 827                 return (EINVAL);
 828
 829         if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
 830         {
 831                 WARNING ("netapp plugin: The %s option needs exactly one boolean argument.",
 832                                 ci->key);
 833                 return (-1);
 834         }
 835
 836         if (ci->values[0].value.boolean)
 837                 *flags |= flag;
 838         else
 839                 *flags &= ~flag;
 840
 841         return (0);
 842 } /* }}} int config_bool_to_flag */
 843
 844 static int config_get_multiplier (const oconfig_item_t *ci, /* {{{ */
 845                 service_config_t *service)
 846 {
 847         int tmp;
 848
 849         if ((ci == NULL) || (service == NULL))
 850                 return (EINVAL);
 851
 852         if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
 853         {
 854                 WARNING ("netapp plugin: The `Multiplier' option needs exactly one numeric argument.");
 855                 return (-1);
 856         }
 857
 858         tmp = (int) (ci->values[0].value.number + .5);
 859         if (tmp < 1)
 860         {
 861                 WARNING ("netapp plugin: The `Multiplier' option needs a positive integer argument.");
 862                 return (-1);
 863         }
 864
 865         service->multiplier = tmp;
 866         service->skip_countdown = tmp;
 867
 868         return (0);
 869 } /* }}} int config_get_multiplier */
 870
 871 static void set_global_perf_vol_flag(const host_config_t *host, /* {{{ */
 872                 uint32_t flag, _Bool set)
 873 {
 874         volume_t *v;
 875
 876         for (v = host->volumes; v; v = v->next) {
 877                 if (set)
 878                         v->perf_data.flags |= flag;
 879                 else /* if (!set) */
 880                         v->perf_data.flags &= ~flag;
 881         }
 882 } /* }}} void set_global_perf_vol_flag */
 883
 884 static void set_global_vol_flag(const host_config_t *host, /* {{{ */
 885                 uint32_t flag, _Bool set) {
 886         volume_t *v;
 887
 888         for (v = host->volumes; v; v = v->next) {
 889                 if (set)
 890                         v->volume_data.flags |= flag;
 891                 else /* if (!set) */
 892                         v->volume_data.flags &= ~flag;
 893         }
 894 } /* }}} void set_global_vol_flag */
 895
 896 static void process_perf_volume_flag (host_config_t *host, /* {{{ */
 897                 perf_volume_data_t *perf_volume, const oconfig_item_t *item,
 898                 uint32_t flag)
 899 {
 900         int i;
 901
 902         for (i = 0; i < item->values_num; ++i) {
 903                 const char *name;
 904                 volume_t *v;
 905                 _Bool set = true;
 906
 907                 if (item->values[i].type != OCONFIG_TYPE_STRING) {
 908                         WARNING("netapp plugin: Ignoring non-string argument in "
 909                                         "\"GetVolPerfData\" block for host %s", host->name);
 910                         continue;
 911                 }
 912
 913                 name = item->values[i].value.string;
 914                 if (name[0] == '+') {
 915                         set = true;
 916                         ++name;
 917                 } else if (name[0] == '-') {
 918                         set = false;
 919                         ++name;
 920                 }
 921
 922                 if (!name[0]) {
 923                         if (set)
 924                                 perf_volume->flags |= flag;
 925                         else /* if (!set) */
 926                                 perf_volume->flags &= ~flag;
 927
 928                         set_global_perf_vol_flag(host, flag, set);
 929                         continue;
 930                 }
 931
 932                 v = get_volume (host, name);
 933                 if (v == NULL)
 934                         continue;
 935
 936                 if (!v->perf_data.flags) {
 937                         v->perf_data.flags = perf_volume->flags;
 938                 }
 939
 940                 if (set)
 941                         v->perf_data.flags |= flag;
 942                 else /* if (!set) */
 943                         v->perf_data.flags &= ~flag;
 944         } /* for (i = 0 .. item->values_num) */
 945 } /* }}} void process_perf_volume_flag */
 946
 947 static void process_volume_flag (host_config_t *host, /* {{{ */
 948                 volume_data_t *volume_data, const oconfig_item_t *item, uint32_t flag)
 949 {
 950         int i;
 951
 952         for (i = 0; i < item->values_num; ++i) {
 953                 const char *name;
 954                 volume_t *v;
 955                 _Bool set = true;
 956
 957                 if (item->values[i].type != OCONFIG_TYPE_STRING) {
 958                         WARNING("netapp plugin: Ignoring non-string argument in \"GetVolData\""
 959                                         "block for host %s", host->name);
 960                         continue;
 961                 }
 962
 963                 name = item->values[i].value.string;
 964                 if (name[0] == '+') {
 965                         set = true;
 966                         ++name;
 967                 } else if (name[0] == '-') {
 968                         set = false;
 969                         ++name;
 970                 }
 971
 972                 if (!name[0]) {
 973                         if (set)
 974                                 volume_data->flags |= flag;
 975                         else /* if (!set) */
 976                                 volume_data->flags &= ~flag;
 977
 978                         set_global_vol_flag(host, flag, set);
 979                         continue;
 980                 }
 981
 982                 v = get_volume(host, name);
 983                 if (v == NULL)
 984                         continue;
 985
 986                 if (!v->volume_data.flags)
 987                         v->volume_data.flags = volume_data->flags;
 988
 989                 if (set)
 990                         v->volume_data.flags |= flag;
 991                 else /* if (!set) */
 992                         v->volume_data.flags &= ~flag;
 993         }
 994 } /* }}} void process_volume_flag */
 995
 996 static void build_perf_vol_config(host_config_t *host, const oconfig_item_t *ci) {
 997         int i, had_io = 0, had_ops = 0, had_latency = 0;
 998         service_config_t *service;
 999         perf_volume_data_t *perf_volume;
1000
1001         service = malloc(sizeof(*service));
1002         service->query = 0;
1003         service->handler = collect_perf_volume_data;
1004         perf_volume = service->data = malloc(sizeof(*perf_volume));
1005         perf_volume->flags = PERF_VOLUME_INIT;
1006         service->next = host->services;
1007         host->services = service;
1008         for (i = 0; i < ci->children_num; ++i) {
1009                 oconfig_item_t *item = ci->children + i;
1010
1011                 /* if (!item || !item->key || !*item->key) continue; */
1012                 if (!strcasecmp(item->key, "Multiplier")) {
1013                         config_get_multiplier (item, service);
1014                 } else if (!strcasecmp(item->key, "GetIO")) {
1015                         had_io = 1;
1016                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_IO);
1017                 } else if (!strcasecmp(item->key, "GetOps")) {
1018                         had_ops = 1;
1019                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_OPS);
1020                 } else if (!strcasecmp(item->key, "GetLatency")) {
1021                         had_latency = 1;
1022                         process_perf_volume_flag(host, perf_volume, item, PERF_VOLUME_LATENCY);
1023                 }
1024         }
1025         if (!had_io) {
1026                 perf_volume->flags |= PERF_VOLUME_IO;
1027                 set_global_perf_vol_flag(host, PERF_VOLUME_IO, /* set = */ true);
1028         }
1029         if (!had_ops) {
1030                 perf_volume->flags |= PERF_VOLUME_OPS;
1031                 set_global_perf_vol_flag(host, PERF_VOLUME_OPS, /* set = */ true);
1032         }
1033         if (!had_latency) {
1034                 perf_volume->flags |= PERF_VOLUME_LATENCY;
1035                 set_global_perf_vol_flag(host, PERF_VOLUME_LATENCY, /* set = */ true);
1036         }
1037 }
1038
1039 static void build_volume_config(host_config_t *host, oconfig_item_t *ci) {
1040         int i, had_df = 0;
1041         service_config_t *service;
1042         volume_data_t *volume_data;
1043
1044         service = malloc(sizeof(*service));
1045         service->query = 0;
1046         service->handler = collect_volume_data;
1047         volume_data = service->data = malloc(sizeof(*volume_data));
1048         volume_data->flags = VOLUME_INIT;
1049         service->next = host->services;
1050         host->services = service;
1051         for (i = 0; i < ci->children_num; ++i) {
1052                 oconfig_item_t *item = ci->children + i;
1053
1054                 /* if (!item || !item->key || !*item->key) continue; */
1055                 if (!strcasecmp(item->key, "Multiplier")) {
1056                         config_get_multiplier (item, service);
1057                 } else if (!strcasecmp(item->key, "GetDiskUtil")) {
1058                         had_df = 1;
1059                         process_volume_flag(host, volume_data, item, VOLUME_DF);
1060                 }
1061         }
1062         if (!had_df) {
1063                 volume_data->flags |= VOLUME_DF;
1064                 set_global_vol_flag(host, VOLUME_DF, /* set = */ true);
1065         }
1066 /*      service = malloc(sizeof(*service));
1067         service->query = 0;
1068         service->handler = collect_snapshot_data;
1069         service->data = volume_data;
1070         service->next = temp->services;
1071         temp->services = service;*/
1072 }
1073
1074 static void build_perf_disk_config(host_config_t *temp, oconfig_item_t *ci) {
1075         int i;
1076         service_config_t *service;
1077         perf_disk_data_t *perf_disk;
1078
1079         service = malloc(sizeof(*service));
1080         service->query = 0;
1081         service->handler = collect_perf_disk_data;
1082         perf_disk = service->data = malloc(sizeof(*perf_disk));
1083         perf_disk->flags = PERF_DISK_ALL;
1084         service->next = temp->services;
1085         temp->services = service;
1086         for (i = 0; i < ci->children_num; ++i) {
1087                 oconfig_item_t *item = ci->children + i;
1088
1089                 /* if (!item || !item->key || !*item->key) continue; */
1090                 if (!strcasecmp(item->key, "Multiplier")) {
1091                         config_get_multiplier (item, service);
1092                 } else if (!strcasecmp(item->key, "GetBusy")) {
1093                         config_bool_to_flag (item, &perf_disk->flags, PERF_SYSTEM_CPU);
1094                 }
1095         }
1096 }
1097
1098 static void build_perf_wafl_config(host_config_t *temp, oconfig_item_t *ci) {
1099         int i;
1100         service_config_t *service;
1101         perf_wafl_data_t *perf_wafl;
1102
1103         service = malloc(sizeof(*service));
1104         service->query = 0;
1105         service->handler = collect_perf_wafl_data;
1106         perf_wafl = service->data = malloc(sizeof(*perf_wafl));
1107         perf_wafl->flags = PERF_WAFL_ALL;
1108         perf_wafl->last_name_cache_hit = 0;
1109         perf_wafl->last_name_cache_miss = 0;
1110         perf_wafl->last_find_dir_hit = 0;
1111         perf_wafl->last_find_dir_miss = 0;
1112         perf_wafl->last_buf_hash_hit = 0;
1113         perf_wafl->last_buf_hash_miss = 0;
1114         perf_wafl->last_inode_cache_hit = 0;
1115         perf_wafl->last_inode_cache_miss = 0;
1116         service->next = temp->services;
1117         temp->services = service;
1118         for (i = 0; i < ci->children_num; ++i) {
1119                 oconfig_item_t *item = ci->children + i;
1120
1121                 /* if (!item || !item->key || !*item->key) continue; */
1122                 if (!strcasecmp(item->key, "Multiplier")) {
1123                         config_get_multiplier (item, service);
1124                 } else if (!strcasecmp(item->key, "GetNameCache")) {
1125                         config_bool_to_flag (item, &perf_wafl->flags, PERF_WAFL_NAME_CACHE);
1126                 } else if (!strcasecmp(item->key, "GetDirCache")) {
1127                         config_bool_to_flag (item, &perf_wafl->flags, PERF_WAFL_DIR_CACHE);
1128                 } else if (!strcasecmp(item->key, "GetBufCache")) {
1129                         config_bool_to_flag (item, &perf_wafl->flags, PERF_WAFL_BUF_CACHE);
1130                 } else if (!strcasecmp(item->key, "GetInodeCache")) {
1131                         config_bool_to_flag (item, &perf_wafl->flags, PERF_WAFL_INODE_CACHE);
1132                 } else {
1133                         WARNING ("netapp plugin: The %s config option is not allowed within "
1134                                         "`GetWaflPerfData' blocks.", item->key);
1135                 }
1136         }
1137 }
1138
1139 static int build_perf_sys_config (host_config_t *host, /* {{{ */
1140                 oconfig_item_t *ci, const service_config_t *default_service)
1141 {
1142         int i;
1143         service_config_t *service;
1144         perf_system_data_t *perf_system;
1145
1146         service = malloc(sizeof(*service));
1147         if (service == NULL)
1148                 return (-1);
1149         memset (service, 0, sizeof (*service));
1150         *service = *default_service;
1151         service->handler = collect_perf_system_data;
1152
1153         perf_system = malloc(sizeof(*perf_system));
1154         if (perf_system == NULL) {
1155                 sfree (service);
1156                 return (-1);
1157         }
1158         memset (perf_system, 0, sizeof (*perf_system));
1159         perf_system->flags = PERF_SYSTEM_ALL;
1160         service->data = perf_system;
1161
1162         for (i = 0; i < ci->children_num; ++i) {
1163                 oconfig_item_t *item = ci->children + i;
1164
1165                 if (!strcasecmp(item->key, "Multiplier")) {
1166                         config_get_multiplier (item, service);
1167                 } else if (!strcasecmp(item->key, "GetCPULoad")) {
1168                         config_bool_to_flag (item, &perf_system->flags, PERF_SYSTEM_CPU);
1169                 } else if (!strcasecmp(item->key, "GetInterfaces")) {
1170                         config_bool_to_flag (item, &perf_system->flags, PERF_SYSTEM_NET);
1171                 } else if (!strcasecmp(item->key, "GetDiskOps")) {
1172                         config_bool_to_flag (item, &perf_system->flags, PERF_SYSTEM_OPS);
1173                 } else if (!strcasecmp(item->key, "GetDiskIO")) {
1174                         config_bool_to_flag (item, &perf_system->flags, PERF_SYSTEM_DISK);
1175                 } else {
1176                         WARNING ("netapp plugin: The %s config option is not allowed within "
1177                                         "`GetSystemPerfData' blocks.", item->key);
1178                 }
1179         }
1180
1181         service->next = host->services;
1182         host->services = service;
1183
1184         return (0);
1185 } /* }}} int build_perf_sys_config */
1186
1187 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) {
1188         int i;
1189         oconfig_item_t *item;
1190         host_config_t *host, *hc, temp = *default_host;
1191         service_config_t default_service = *def_def_service;
1192
1193         if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1194                 WARNING("netapp plugin: \"Host\" needs exactly one string argument. Ignoring host block.");
1195                 return 0;
1196         }
1197
1198         temp.name = ci->values[0].value.string;
1199         for (i = 0; i < ci->children_num; ++i) {
1200                 item = ci->children + i;
1201
1202                 /* if (!item || !item->key || !*item->key) continue; */
1203                 if (!strcasecmp(item->key, "Address")) {
1204                         if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING)) {
1205                                 WARNING("netapp plugin: \"Name\" needs exactly one string argument. Ignoring host block \"%s\".", ci->values[0].value.string);
1206                                 return 0;
1207                         }
1208                         temp.host = item->values[0].value.string;
1209                 } else if (!strcasecmp(item->key, "Port")) {
1210                         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)) {
1211                                 WARNING("netapp plugin: \"Port\" needs exactly one integer argument in the range of 1-65535. Ignoring host block \"%s\".", ci->values[0].value.string);
1212                                 return 0;
1213                         }
1214                         temp.port = item->values[0].value.number;
1215                 } else if (!strcasecmp(item->key, "Protocol")) {
1216                         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"))) {
1217                                 WARNING("netapp plugin: \"Protocol\" needs to be either \"http\" or \"https\". Ignoring host block \"%s\".", ci->values[0].value.string);
1218                                 return 0;
1219                         }
1220                         if (!strcasecmp(item->values[0].value.string, "http")) temp.protocol = NA_SERVER_TRANSPORT_HTTP;
1221                         else temp.protocol = NA_SERVER_TRANSPORT_HTTPS;
1222                 } else if (!strcasecmp(item->key, "Login")) {
1223                         if ((item->values_num != 2) || (item->values[0].type != OCONFIG_TYPE_STRING) || (item->values[1].type != OCONFIG_TYPE_STRING)) {
1224                                 WARNING("netapp plugin: \"Login\" needs exactly two string arguments, username and password. Ignoring host block \"%s\".", ci->values[0].value.string);
1225                                 return 0;
1226                         }
1227                         temp.username = item->values[0].value.string;
1228                         temp.password = item->values[1].value.string;
1229                 } else if (!strcasecmp(item->key, "Interval")) {
1230                         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) {
1231                                 WARNING("netapp plugin: \"Interval\" of host %s needs exactly one integer argument.", ci->values[0].value.string);
1232                                 continue;
1233                         }
1234                         temp.interval = item->values[0].value.number;
1235                 } else if (!strcasecmp(item->key, "GetVolumePerfData")) {
1236                         build_perf_vol_config(&temp, item);
1237                 } else if (!strcasecmp(item->key, "GetSystemPerfData")) {
1238                         build_perf_sys_config(&temp, item, &default_service);
1239 /*                      if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING)) {
1240                                 WARNING("netapp plugin: \"Collect\" needs exactly one string argument. Ignoring collect block for \"%s\".", ci->values[0].value.string);
1241                                 continue;
1242                         }
1243                         build_collect_config(&temp, item);*/
1244                 } else if (!strcasecmp(item->key, "GetWaflPerfData")) {
1245                         build_perf_wafl_config(&temp, item);
1246                 } else if (!strcasecmp(item->key, "GetDiskPerfData")) {
1247                         build_perf_disk_config(&temp, item);
1248                 } else if (!strcasecmp(item->key, "GetVolumeData")) {
1249                         build_volume_config(&temp, item);
1250                 } else {
1251                         WARNING("netapp plugin: Ignoring unknown config option \"%s\" in host block \"%s\".", item->key, ci->values[0].value.string);
1252                 }
1253         }
1254
1255         if (!temp.host) temp.host = temp.name;
1256         if (!temp.port) temp.port = temp.protocol == NA_SERVER_TRANSPORT_HTTP ? 80 : 443;
1257         if (!temp.username) {
1258                 WARNING("netapp plugin: Please supply login information for host \"%s\". Ignoring host block.", temp.name);
1259                 return 0;
1260         }
1261         for (hc = host_config; hc; hc = hc->next) {
1262                 if (!strcasecmp(hc->name, temp.name)) WARNING("netapp plugin: Duplicate definition of host \"%s\". This is probably a bad idea.", hc->name);
1263         }
1264         host = malloc(sizeof(*host));
1265         *host = temp;
1266         host->name = strdup(temp.name);
1267         host->protocol = temp.protocol;
1268         host->host = strdup(temp.host);
1269         host->username = strdup(temp.username);
1270         host->password = strdup(temp.password);
1271         host->next = host_config;
1272         host_config = host;
1273         return host;
1274 }
1275
1276 static int build_config (oconfig_item_t *ci) {
1277         int i;
1278         oconfig_item_t *item;
1279         host_config_t default_host = HOST_INIT;
1280         service_config_t default_service = SERVICE_INIT;
1281
1282         for (i = 0; i < ci->children_num; ++i) {
1283                 item = ci->children + i;
1284
1285                 /* if (!item || !item->key || !*item->key) continue; */
1286                 if (!strcasecmp(item->key, "Host")) {
1287                         build_host_config(item, &default_host, &default_service);
1288                 } else {
1289                         WARNING("netapp plugin: Ignoring unknown config option \"%s\".", item->key);
1290                 }
1291         }
1292         return 0;
1293 }
1294
1295 static int netapp_read() {
1296         na_elem_t *out;
1297         host_config_t *host;
1298         service_config_t *service;
1299
1300         for (host = host_config; host; host = host->next) {
1301                 for (service = host->services; service; service = service->next) {
1302                         if (--service->skip_countdown > 0) continue;
1303                         service->skip_countdown = service->multiplier;
1304                         out = na_server_invoke_elem(host->srv, service->query);
1305                         if (na_results_status(out) != NA_OK) {
1306                                 int netapp_errno = na_results_errno(out);
1307                                 ERROR("netapp plugin: Error %d from host %s: %s", netapp_errno, host->name, na_results_reason(out));
1308                                 na_elem_free(out);
1309                                 if (netapp_errno == EIO || netapp_errno == ETIMEDOUT) {
1310                                         /* Network problems. Just give up on all other services on this host. */
1311                                         break;
1312                                 }
1313                                 continue;
1314                         }
1315                         service->handler(host, out, service->data);
1316                         na_elem_free(out);
1317                 }
1318         }
1319         return 0;
1320 }
1321
1322 void module_register() {
1323         plugin_register_complex_config("netapp", build_config);
1324         plugin_register_init("netapp", config_init);
1325         plugin_register_read("netapp", netapp_read);
1326 }
1327
1328 /* vim: set sw=2 ts=2 noet fdm=marker : */