src/varnish.c

   1 /**
   2  * collectd - src/varnish.c
   3  * Copyright (C) 2010      Jérôme Renard
   4  * Copyright (C) 2010      Marc Fournier
   5  * Copyright (C) 2010-2012 Florian Forster
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; only version 2 of the License is applicable.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  *
  20  * Authors:
  21  *   Jérôme Renard <jerome.renard at gmail.com>
  22  *   Marc Fournier <marc.fournier at camptocamp.com>
  23  *   Florian octo Forster <octo at collectd.org>
  24  *   Denes Matetelki <dmatetelki at varnish-software.com>
  25  **/
  26
  27 #include "collectd.h"
  28
  29 #include "common.h"
  30 #include "plugin.h"
  31
  32 #if HAVE_VARNISH_V4
  33 #include <vapi/vsc.h>
  34 #include <vapi/vsm.h>
  35 typedef struct VSC_C_main c_varnish_stats_t;
  36 #endif
  37
  38 #if HAVE_VARNISH_V3
  39 #include <varnishapi.h>
  40 #include <vsc.h>
  41 typedef struct VSC_C_main c_varnish_stats_t;
  42 #endif
  43
  44 #if HAVE_VARNISH_V2
  45 #include <varnishapi.h>
  46 typedef struct varnish_stats c_varnish_stats_t;
  47 #endif
  48
  49 /* {{{ user_config_s */
  50 struct user_config_s {
  51   char *instance;
  52
  53   _Bool collect_cache;
  54   _Bool collect_connections;
  55   _Bool collect_esi;
  56   _Bool collect_backend;
  57 #ifdef HAVE_VARNISH_V3
  58   _Bool collect_dirdns;
  59 #endif
  60   _Bool collect_fetch;
  61   _Bool collect_hcb;
  62   _Bool collect_objects;
  63 #if HAVE_VARNISH_V2
  64   _Bool collect_purge;
  65 #else
  66   _Bool collect_ban;
  67 #endif
  68   _Bool collect_session;
  69   _Bool collect_shm;
  70   _Bool collect_sms;
  71 #if HAVE_VARNISH_V2
  72   _Bool collect_sm;
  73 #endif
  74 #if HAVE_VARNISH_V2 || HAVE_VARNISH_V4
  75   _Bool collect_sma;
  76 #endif
  77   _Bool collect_struct;
  78   _Bool collect_totals;
  79 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
  80   _Bool collect_uptime;
  81 #endif
  82   _Bool collect_vcl;
  83   _Bool collect_workers;
  84 #if HAVE_VARNISH_V4
  85   _Bool collect_vsm;
  86   _Bool collect_lck;
  87   _Bool collect_mempool;
  88   _Bool collect_mgt;
  89   _Bool collect_smf;
  90   _Bool collect_vbe;
  91   _Bool collect_mse;
  92 #endif
  93 };
  94 typedef struct user_config_s user_config_t; /* }}} */
  95
  96 static _Bool have_instance = 0;
  97
  98 static int varnish_submit(const char *plugin_instance, /* {{{ */
  99                           const char *category, const char *type,
 100                           const char *type_instance, value_t value) {
 101   value_list_t vl = VALUE_LIST_INIT;
 102
 103   vl.values = &value;
 104   vl.values_len = 1;
 105
 106   sstrncpy(vl.plugin, "varnish", sizeof(vl.plugin));
 107
 108   if (plugin_instance == NULL)
 109     plugin_instance = "default";
 110   snprintf(vl.plugin_instance, sizeof(vl.plugin_instance), "%s-%s",
 111            plugin_instance, category);
 112
 113   sstrncpy(vl.type, type, sizeof(vl.type));
 114
 115   if (type_instance != NULL)
 116     sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
 117
 118   return plugin_dispatch_values(&vl);
 119 } /* }}} int varnish_submit */
 120
 121 static int varnish_submit_gauge(const char *plugin_instance, /* {{{ */
 122                                 const char *category, const char *type,
 123                                 const char *type_instance,
 124                                 uint64_t gauge_value) {
 125   return varnish_submit(plugin_instance, category, type, type_instance,
 126                         (value_t){
 127                             .gauge = (gauge_t)gauge_value,
 128                         });
 129 } /* }}} int varnish_submit_gauge */
 130
 131 static int varnish_submit_derive(const char *plugin_instance, /* {{{ */
 132                                  const char *category, const char *type,
 133                                  const char *type_instance,
 134                                  uint64_t derive_value) {
 135   return varnish_submit(plugin_instance, category, type, type_instance,
 136                         (value_t){
 137                             .derive = (derive_t)derive_value,
 138                         });
 139 } /* }}} int varnish_submit_derive */
 140
 141 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
 142 static int varnish_monitor(void *priv,
 143                            const struct VSC_point *const pt) /* {{{ */
 144 {
 145   uint64_t val;
 146   const user_config_t *conf;
 147   const char *class;
 148   const char *name;
 149
 150   if (pt == NULL)
 151     return 0;
 152
 153   conf = priv;
 154
 155 #if HAVE_VARNISH_V4
 156   class = pt->section->fantom->type;
 157   name = pt->desc->name;
 158
 159   if (strcmp(class, "MAIN") != 0)
 160     return 0;
 161
 162 #elif HAVE_VARNISH_V3
 163   class = pt->class;
 164   name = pt->name;
 165
 166   if (strcmp(class, "") != 0)
 167     return 0;
 168 #endif
 169
 170   val = *(const volatile uint64_t *)pt->ptr;
 171
 172   if (conf->collect_cache) {
 173     if (strcmp(name, "cache_hit") == 0)
 174       return varnish_submit_derive(conf->instance, "cache", "cache_result",
 175                                    "hit", val);
 176     else if (strcmp(name, "cache_miss") == 0)
 177       return varnish_submit_derive(conf->instance, "cache", "cache_result",
 178                                    "miss", val);
 179     else if (strcmp(name, "cache_hitpass") == 0)
 180       return varnish_submit_derive(conf->instance, "cache", "cache_result",
 181                                    "hitpass", val);
 182   }
 183
 184   if (conf->collect_connections) {
 185     if (strcmp(name, "client_conn") == 0)
 186       return varnish_submit_derive(conf->instance, "connections", "connections",
 187                                    "accepted", val);
 188     else if (strcmp(name, "client_drop") == 0)
 189       return varnish_submit_derive(conf->instance, "connections", "connections",
 190                                    "dropped", val);
 191     else if (strcmp(name, "client_req") == 0)
 192       return varnish_submit_derive(conf->instance, "connections", "connections",
 193                                    "received", val);
 194 #ifdef HAVE_VARNISH_V4
 195     else if (strcmp(name, "client_req_400") == 0)
 196       return varnish_submit_derive(conf->instance, "connections", "connections",
 197                                    "error_400", val);
 198     else if (strcmp(name, "client_req_417") == 0)
 199       return varnish_submit_derive(conf->instance, "connections", "connections",
 200                                    "error_417", val);
 201 #endif
 202   }
 203
 204 #ifdef HAVE_VARNISH_V3
 205   if (conf->collect_dirdns) {
 206     if (strcmp(name, "dir_dns_lookups") == 0)
 207       return varnish_submit_derive(conf->instance, "dirdns", "cache_operation",
 208                                    "lookups", val);
 209     else if (strcmp(name, "dir_dns_failed") == 0)
 210       return varnish_submit_derive(conf->instance, "dirdns", "cache_result",
 211                                    "failed", val);
 212     else if (strcmp(name, "dir_dns_hit") == 0)
 213       return varnish_submit_derive(conf->instance, "dirdns", "cache_result",
 214                                    "hits", val);
 215     else if (strcmp(name, "dir_dns_cache_full") == 0)
 216       return varnish_submit_derive(conf->instance, "dirdns", "cache_result",
 217                                    "cache_full", val);
 218   }
 219 #endif
 220
 221   if (conf->collect_esi) {
 222     if (strcmp(name, "esi_errors") == 0)
 223       return varnish_submit_derive(conf->instance, "esi", "total_operations",
 224                                    "error", val);
 225     else if (strcmp(name, "esi_parse") == 0)
 226       return varnish_submit_derive(conf->instance, "esi", "total_operations",
 227                                    "parsed", val);
 228     else if (strcmp(name, "esi_warnings") == 0)
 229       return varnish_submit_derive(conf->instance, "esi", "total_operations",
 230                                    "warning", val);
 231     else if (strcmp(name, "esi_maxdepth") == 0)
 232       return varnish_submit_derive(conf->instance, "esi", "total_operations",
 233                                    "max_depth", val);
 234   }
 235
 236   if (conf->collect_backend) {
 237     if (strcmp(name, "backend_conn") == 0)
 238       return varnish_submit_derive(conf->instance, "backend", "connections",
 239                                    "success", val);
 240     else if (strcmp(name, "backend_unhealthy") == 0)
 241       return varnish_submit_derive(conf->instance, "backend", "connections",
 242                                    "not-attempted", val);
 243     else if (strcmp(name, "backend_busy") == 0)
 244       return varnish_submit_derive(conf->instance, "backend", "connections",
 245                                    "too-many", val);
 246     else if (strcmp(name, "backend_fail") == 0)
 247       return varnish_submit_derive(conf->instance, "backend", "connections",
 248                                    "failures", val);
 249     else if (strcmp(name, "backend_reuse") == 0)
 250       return varnish_submit_derive(conf->instance, "backend", "connections",
 251                                    "reuses", val);
 252     else if (strcmp(name, "backend_toolate") == 0)
 253       return varnish_submit_derive(conf->instance, "backend", "connections",
 254                                    "was-closed", val);
 255     else if (strcmp(name, "backend_recycle") == 0)
 256       return varnish_submit_derive(conf->instance, "backend", "connections",
 257                                    "recycled", val);
 258     else if (strcmp(name, "backend_unused") == 0)
 259       return varnish_submit_derive(conf->instance, "backend", "connections",
 260                                    "unused", val);
 261     else if (strcmp(name, "backend_retry") == 0)
 262       return varnish_submit_derive(conf->instance, "backend", "connections",
 263                                    "retries", val);
 264     else if (strcmp(name, "backend_req") == 0)
 265       return varnish_submit_derive(conf->instance, "backend", "http_requests",
 266                                    "requests", val);
 267     else if (strcmp(name, "n_backend") == 0)
 268       return varnish_submit_gauge(conf->instance, "backend", "backends",
 269                                   "n_backends", val);
 270   }
 271
 272   if (conf->collect_fetch) {
 273     if (strcmp(name, "fetch_head") == 0)
 274       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 275                                    "head", val);
 276     else if (strcmp(name, "fetch_length") == 0)
 277       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 278                                    "length", val);
 279     else if (strcmp(name, "fetch_chunked") == 0)
 280       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 281                                    "chunked", val);
 282     else if (strcmp(name, "fetch_eof") == 0)
 283       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 284                                    "eof", val);
 285     else if (strcmp(name, "fetch_bad") == 0)
 286       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 287                                    "bad_headers", val);
 288     else if (strcmp(name, "fetch_close") == 0)
 289       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 290                                    "close", val);
 291     else if (strcmp(name, "fetch_oldhttp") == 0)
 292       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 293                                    "oldhttp", val);
 294     else if (strcmp(name, "fetch_zero") == 0)
 295       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 296                                    "zero", val);
 297     else if (strcmp(name, "fetch_failed") == 0)
 298       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 299                                    "failed", val);
 300     else if (strcmp(name, "fetch_1xx") == 0)
 301       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 302                                    "no_body_1xx", val);
 303     else if (strcmp(name, "fetch_204") == 0)
 304       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 305                                    "no_body_204", val);
 306     else if (strcmp(name, "fetch_304") == 0)
 307       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 308                                    "no_body_304", val);
 309 #if HAVE_VARNISH_V4
 310     else if (strcmp(name, "fetch_no_thread") == 0)
 311       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 312                                    "no_thread", val);
 313     else if (strcmp(name, "fetch_none") == 0)
 314       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 315                                    "none", val);
 316     else if (strcmp(name, "busy_sleep") == 0)
 317       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 318                                    "busy_sleep", val);
 319     else if (strcmp(name, "busy_wakeup") == 0)
 320       return varnish_submit_derive(conf->instance, "fetch", "http_requests",
 321                                    "busy_wakeup", val);
 322 #endif
 323   }
 324
 325   if (conf->collect_hcb) {
 326     if (strcmp(name, "hcb_nolock") == 0)
 327       return varnish_submit_derive(conf->instance, "hcb", "cache_operation",
 328                                    "lookup_nolock", val);
 329     else if (strcmp(name, "hcb_lock") == 0)
 330       return varnish_submit_derive(conf->instance, "hcb", "cache_operation",
 331                                    "lookup_lock", val);
 332     else if (strcmp(name, "hcb_insert") == 0)
 333       return varnish_submit_derive(conf->instance, "hcb", "cache_operation",
 334                                    "insert", val);
 335   }
 336
 337   if (conf->collect_objects) {
 338     if (strcmp(name, "n_expired") == 0)
 339       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 340                                    "expired", val);
 341     else if (strcmp(name, "n_lru_nuked") == 0)
 342       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 343                                    "lru_nuked", val);
 344     else if (strcmp(name, "n_lru_saved") == 0)
 345       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 346                                    "lru_saved", val);
 347     else if (strcmp(name, "n_lru_moved") == 0)
 348       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 349                                    "lru_moved", val);
 350     else if (strcmp(name, "n_deathrow") == 0)
 351       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 352                                    "deathrow", val);
 353     else if (strcmp(name, "losthdr") == 0)
 354       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 355                                    "header_overflow", val);
 356     else if (strcmp(name, "n_obj_purged") == 0)
 357       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 358                                    "purged", val);
 359     else if (strcmp(name, "n_objsendfile") == 0)
 360       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 361                                    "sent_sendfile", val);
 362     else if (strcmp(name, "n_objwrite") == 0)
 363       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 364                                    "sent_write", val);
 365     else if (strcmp(name, "n_objoverflow") == 0)
 366       return varnish_submit_derive(conf->instance, "objects", "total_objects",
 367                                    "workspace_overflow", val);
 368 #if HAVE_VARNISH_V4
 369     else if (strcmp(name, "exp_mailed") == 0)
 370       return varnish_submit_gauge(conf->instance, "struct", "objects",
 371                                   "exp_mailed", val);
 372     else if (strcmp(name, "exp_received") == 0)
 373       return varnish_submit_gauge(conf->instance, "struct", "objects",
 374                                   "exp_received", val);
 375 #endif
 376   }
 377
 378 #if HAVE_VARNISH_V3
 379   if (conf->collect_ban) {
 380     if (strcmp(name, "n_ban") == 0)
 381       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 382                                    "total", val);
 383     else if (strcmp(name, "n_ban_add") == 0)
 384       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 385                                    "added", val);
 386     else if (strcmp(name, "n_ban_retire") == 0)
 387       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 388                                    "deleted", val);
 389     else if (strcmp(name, "n_ban_obj_test") == 0)
 390       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 391                                    "objects_tested", val);
 392     else if (strcmp(name, "n_ban_re_test") == 0)
 393       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 394                                    "regexps_tested", val);
 395     else if (strcmp(name, "n_ban_dups") == 0)
 396       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 397                                    "duplicate", val);
 398   }
 399 #endif
 400 #if HAVE_VARNISH_V4
 401   if (conf->collect_ban) {
 402     if (strcmp(name, "bans") == 0)
 403       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 404                                    "total", val);
 405     else if (strcmp(name, "bans_added") == 0)
 406       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 407                                    "added", val);
 408     else if (strcmp(name, "bans_obj") == 0)
 409       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 410                                    "obj", val);
 411     else if (strcmp(name, "bans_req") == 0)
 412       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 413                                    "req", val);
 414     else if (strcmp(name, "bans_completed") == 0)
 415       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 416                                    "completed", val);
 417     else if (strcmp(name, "bans_deleted") == 0)
 418       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 419                                    "deleted", val);
 420     else if (strcmp(name, "bans_tested") == 0)
 421       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 422                                    "tested", val);
 423     else if (strcmp(name, "bans_dups") == 0)
 424       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 425                                    "duplicate", val);
 426     else if (strcmp(name, "bans_tested") == 0)
 427       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 428                                    "tested", val);
 429     else if (strcmp(name, "bans_lurker_contention") == 0)
 430       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 431                                    "lurker_contention", val);
 432     else if (strcmp(name, "bans_lurker_obj_killed") == 0)
 433       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 434                                    "lurker_obj_killed", val);
 435     else if (strcmp(name, "bans_lurker_tested") == 0)
 436       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 437                                    "lurker_tested", val);
 438     else if (strcmp(name, "bans_lurker_tests_tested") == 0)
 439       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 440                                    "lurker_tests_tested", val);
 441     else if (strcmp(name, "bans_obj_killed") == 0)
 442       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 443                                    "obj_killed", val);
 444     else if (strcmp(name, "bans_persisted_bytes") == 0)
 445       return varnish_submit_derive(conf->instance, "ban", "total_bytes",
 446                                    "persisted_bytes", val);
 447     else if (strcmp(name, "bans_persisted_fragmentation") == 0)
 448       return varnish_submit_derive(conf->instance, "ban", "total_bytes",
 449                                    "persisted_fragmentation", val);
 450     else if (strcmp(name, "bans_tests_tested") == 0)
 451       return varnish_submit_derive(conf->instance, "ban", "total_operations",
 452                                    "tests_tested", val);
 453
 454   }
 455 #endif
 456
 457   if (conf->collect_session) {
 458     if (strcmp(name, "sess_closed") == 0)
 459       return varnish_submit_derive(conf->instance, "session",
 460                                    "total_operations", "closed", val);
 461     else if (strcmp(name, "sess_pipeline") == 0)
 462       return varnish_submit_derive(conf->instance, "session",
 463                                    "total_operations", "pipeline", val);
 464     else if (strcmp(name, "sess_readahead") == 0)
 465       return varnish_submit_derive(conf->instance, "session",
 466                                    "total_operations", "readahead", val);
 467     else if (strcmp(name, "sess_conn") == 0)
 468       return varnish_submit_derive(conf->instance, "session",
 469                                    "total_operations", "accepted", val);
 470     else if (strcmp(name, "sess_drop") == 0)
 471       return varnish_submit_derive(conf->instance, "session",
 472                                    "total_operations", "dropped", val);
 473     else if (strcmp(name, "sess_fail") == 0)
 474       return varnish_submit_derive(conf->instance, "session",
 475                                    "total_operations", "failed", val);
 476     else if (strcmp(name, "sess_pipe_overflow") == 0)
 477       return varnish_submit_derive(conf->instance, "session",
 478                                    "total_operations", "overflow", val);
 479     else if (strcmp(name, "sess_queued") == 0)
 480       return varnish_submit_derive(conf->instance, "session",
 481                                    "total_operations", "queued", val);
 482     else if (strcmp(name, "sess_linger") == 0)
 483       return varnish_submit_derive(conf->instance, "session",
 484                                    "total_operations", "linger", val);
 485     else if (strcmp(name, "sess_herd") == 0)
 486       return varnish_submit_derive(conf->instance, "session",
 487                                    "total_operations", "herd", val);
 488 #if HAVE_VARNISH_V4
 489     else if (strcmp(name, "sess_closed_err") == 0)
 490       return varnish_submit_derive(conf->instance, "session",
 491                                    "total_operations", "closed_err", val);
 492     else if (strcmp(name, "sess_dropped") == 0)
 493       return varnish_submit_derive(conf->instance, "session",
 494                                    "total_operations", "dropped_for_thread", val);
 495 #endif
 496   }
 497
 498   if (conf->collect_shm) {
 499     if (strcmp(name, "shm_records") == 0)
 500       return varnish_submit_derive(conf->instance, "shm", "total_operations",
 501                                    "records", val);
 502     else if (strcmp(name, "shm_writes") == 0)
 503       return varnish_submit_derive(conf->instance, "shm", "total_operations",
 504                                    "writes", val);
 505     else if (strcmp(name, "shm_flushes") == 0)
 506       return varnish_submit_derive(conf->instance, "shm", "total_operations",
 507                                    "flushes", val);
 508     else if (strcmp(name, "shm_cont") == 0)
 509       return varnish_submit_derive(conf->instance, "shm", "total_operations",
 510                                    "contention", val);
 511     else if (strcmp(name, "shm_cycles") == 0)
 512       return varnish_submit_derive(conf->instance, "shm", "total_operations",
 513                                    "cycles", val);
 514   }
 515
 516   if (conf->collect_sms) {
 517     if (strcmp(name, "sms_nreq") == 0)
 518       return varnish_submit_derive(conf->instance, "sms", "total_requests",
 519                                    "allocator", val);
 520     else if (strcmp(name, "sms_nobj") == 0)
 521       return varnish_submit_gauge(conf->instance, "sms", "requests",
 522                                   "outstanding", val);
 523     else if (strcmp(name, "sms_nbytes") == 0)
 524       return varnish_submit_gauge(conf->instance, "sms", "bytes", "outstanding",
 525                                   val);
 526     else if (strcmp(name, "sms_balloc") == 0)
 527       return varnish_submit_derive(conf->instance, "sms", "total_bytes",
 528                                    "allocated", val);
 529     else if (strcmp(name, "sms_bfree") == 0)
 530       return varnish_submit_derive(conf->instance, "sms", "total_bytes", "free",
 531                                    val);
 532   }
 533
 534   if (conf->collect_struct) {
 535     if (strcmp(name, "n_sess_mem") == 0)
 536       return varnish_submit_gauge(conf->instance, "struct", "current_sessions",
 537                                   "sess_mem", val);
 538     else if (strcmp(name, "n_sess") == 0)
 539       return varnish_submit_gauge(conf->instance, "struct", "current_sessions",
 540                                   "sess", val);
 541     else if (strcmp(name, "n_object") == 0)
 542       return varnish_submit_gauge(conf->instance, "struct", "objects", "object",
 543                                   val);
 544     else if (strcmp(name, "n_vampireobject") == 0)
 545       return varnish_submit_gauge(conf->instance, "struct", "objects",
 546                                   "vampireobject", val);
 547     else if (strcmp(name, "n_objectcore") == 0)
 548       return varnish_submit_gauge(conf->instance, "struct", "objects",
 549                                   "objectcore", val);
 550     else if (strcmp(name, "n_waitinglist") == 0)
 551       return varnish_submit_gauge(conf->instance, "struct", "objects",
 552                                   "waitinglist", val);
 553     else if (strcmp(name, "n_objecthead") == 0)
 554       return varnish_submit_gauge(conf->instance, "struct", "objects",
 555                                   "objecthead", val);
 556     else if (strcmp(name, "n_smf") == 0)
 557       return varnish_submit_gauge(conf->instance, "struct", "objects", "smf",
 558                                   val);
 559     else if (strcmp(name, "n_smf_frag") == 0)
 560       return varnish_submit_gauge(conf->instance, "struct", "objects",
 561                                   "smf_frag", val);
 562     else if (strcmp(name, "n_smf_large") == 0)
 563       return varnish_submit_gauge(conf->instance, "struct", "objects",
 564                                   "smf_large", val);
 565     else if (strcmp(name, "n_vbe_conn") == 0)
 566       return varnish_submit_gauge(conf->instance, "struct", "objects",
 567                                   "vbe_conn", val);
 568   }
 569
 570   if (conf->collect_totals) {
 571     if (strcmp(name, "s_sess") == 0)
 572       return varnish_submit_derive(conf->instance, "totals", "total_sessions",
 573                                    "sessions", val);
 574     else if (strcmp(name, "s_req") == 0)
 575       return varnish_submit_derive(conf->instance, "totals", "total_requests",
 576                                    "requests", val);
 577     else if (strcmp(name, "s_pipe") == 0)
 578       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 579                                    "pipe", val);
 580     else if (strcmp(name, "s_pass") == 0)
 581       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 582                                    "pass", val);
 583     else if (strcmp(name, "s_fetch") == 0)
 584       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 585                                    "fetches", val);
 586     else if (strcmp(name, "s_synth") == 0)
 587       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 588                                    "synth", val);
 589     else if (strcmp(name, "s_req_hdrbytes") == 0)
 590       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 591                                    "req_header", val);
 592     else if (strcmp(name, "s_req_bodybytes") == 0)
 593       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 594                                    "req_body", val);
 595     else if (strcmp(name, "s_req_protobytes") == 0)
 596       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 597                                    "req_proto", val);
 598     else if (strcmp(name, "s_resp_hdrbytes") == 0)
 599       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 600                                    "resp_header", val);
 601     else if (strcmp(name, "s_resp_bodybytes") == 0)
 602       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 603                                    "resp_body", val);
 604     else if (strcmp(name, "s_resp_protobytes") == 0)
 605       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 606                                    "resp_proto", val);
 607     else if (strcmp(name, "s_pipe_hdrbytes") == 0)
 608       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 609                                    "pipe_header", val);
 610     else if (strcmp(name, "s_pipe_in") == 0)
 611       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 612                                    "pipe_in", val);
 613     else if (strcmp(name, "s_pipe_out") == 0)
 614       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 615                                    "pipe_out", val);
 616     else if (strcmp(name, "n_purges") == 0)
 617       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 618                                    "purges", val);
 619     else if (strcmp(name, "s_hdrbytes") == 0)
 620       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 621                                    "header-bytes", val);
 622     else if (strcmp(name, "s_bodybytes") == 0)
 623       return varnish_submit_derive(conf->instance, "totals", "total_bytes",
 624                                    "body-bytes", val);
 625     else if (strcmp(name, "n_gzip") == 0)
 626       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 627                                    "gzip", val);
 628     else if (strcmp(name, "n_gunzip") == 0)
 629       return varnish_submit_derive(conf->instance, "totals", "total_operations",
 630                                    "gunzip", val);
 631   }
 632
 633   if (conf->collect_uptime) {
 634     if (strcmp(name, "uptime") == 0)
 635       return varnish_submit_gauge(conf->instance, "uptime", "uptime",
 636                                   "client_uptime", val);
 637   }
 638
 639   if (conf->collect_vcl) {
 640     if (strcmp(name, "n_vcl") == 0)
 641       return varnish_submit_gauge(conf->instance, "vcl", "vcl", "total_vcl",
 642                                   val);
 643     else if (strcmp(name, "n_vcl_avail") == 0)
 644       return varnish_submit_gauge(conf->instance, "vcl", "vcl", "avail_vcl",
 645                                   val);
 646     else if (strcmp(name, "n_vcl_discard") == 0)
 647       return varnish_submit_gauge(conf->instance, "vcl", "vcl", "discarded_vcl",
 648                                   val);
 649     else if (strcmp(name, "vmods") == 0)
 650       return varnish_submit_gauge(conf->instance, "vcl", "objects", "vmod",
 651                                   val);
 652   }
 653
 654   if (conf->collect_workers) {
 655     if (strcmp(name, "threads") == 0)
 656       return varnish_submit_gauge(conf->instance, "workers", "threads",
 657                                   "worker", val);
 658     else if (strcmp(name, "threads_created") == 0)
 659       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 660                                    "created", val);
 661     else if (strcmp(name, "threads_failed") == 0)
 662       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 663                                    "failed", val);
 664     else if (strcmp(name, "threads_limited") == 0)
 665       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 666                                    "limited", val);
 667     else if (strcmp(name, "threads_destroyed") == 0)
 668       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 669                                    "dropped", val);
 670     else if (strcmp(name, "thread_queue_len") == 0)
 671       return varnish_submit_gauge(conf->instance, "workers", "queue_length",
 672                                    "threads", val);
 673     else if (strcmp(name, "n_wrk") == 0)
 674       return varnish_submit_gauge(conf->instance, "workers", "threads",
 675                                   "worker", val);
 676     else if (strcmp(name, "n_wrk_create") == 0)
 677       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 678                                    "created", val);
 679     else if (strcmp(name, "n_wrk_failed") == 0)
 680       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 681                                    "failed", val);
 682     else if (strcmp(name, "n_wrk_max") == 0)
 683       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 684                                    "limited", val);
 685     else if (strcmp(name, "n_wrk_drop") == 0)
 686       return varnish_submit_derive(conf->instance, "workers", "total_threads",
 687                                    "dropped", val);
 688     else if (strcmp(name, "n_wrk_queue") == 0)
 689       return varnish_submit_derive(conf->instance, "workers", "total_requests",
 690                                    "queued", val);
 691     else if (strcmp(name, "n_wrk_overflow") == 0)
 692       return varnish_submit_derive(conf->instance, "workers", "total_requests",
 693                                    "overflowed", val);
 694     else if (strcmp(name, "n_wrk_queued") == 0)
 695       return varnish_submit_derive(conf->instance, "workers", "total_requests",
 696                                    "queued", val);
 697     else if (strcmp(name, "n_wrk_lqueue") == 0)
 698       return varnish_submit_derive(conf->instance, "workers", "total_requests",
 699                                    "queue_length", val);
 700 #if HAVE_VARNISH_V4
 701     else if (strcmp(name, "pools") == 0)
 702       return varnish_submit_gauge(conf->instance, "workers", "pools",
 703                                   "pools", val);
 704     else if (strcmp(name, "busy_killed") == 0)
 705       return varnish_submit_derive(conf->instance, "workers", "http_requests",
 706                                    "busy_killed", val);
 707 #endif
 708   }
 709
 710 #if HAVE_VARNISH_V4
 711   if (conf->collect_vsm) {
 712     if (strcmp(name, "vsm_free") == 0)
 713       return varnish_submit_gauge(conf->instance, "vsm", "bytes", "free", val);
 714     else if (strcmp(name, "vsm_used") == 0)
 715       return varnish_submit_gauge(conf->instance, "vsm", "bytes", "used", val);
 716     else if (strcmp(name, "vsm_cooling") == 0)
 717       return varnish_submit_gauge(conf->instance, "vsm", "bytes", "cooling",
 718                                   val);
 719     else if (strcmp(name, "vsm_overflow") == 0)
 720       return varnish_submit_gauge(conf->instance, "vsm", "bytes", "overflow",
 721                                   val);
 722     else if (strcmp(name, "vsm_overflowed") == 0)
 723       return varnish_submit_derive(conf->instance, "vsm", "total_bytes",
 724                                    "overflowed", val);
 725   }
 726
 727   if (conf->collect_vbe) {
 728     /* @TODO figure out the collectd type for bitmap
 729     if (strcmp(name, "happy") == 0)
 730       return varnish_submit_derive(conf->instance, "vbe",
 731                                    "bitmap", "happy_hprobes", val);
 732     */
 733     if (strcmp(name, "bereq_hdrbytes") == 0)
 734       return varnish_submit_derive(conf->instance, "vbe",
 735                                    "total_bytes", "bereq_hdrbytes", val);
 736     else if (strcmp(name, "bereq_bodybytes") == 0)
 737       return varnish_submit_derive(conf->instance, "vbe",
 738                                    "total_bytes", "bereq_bodybytes", val);
 739     else if (strcmp(name, "bereq_protobytes") == 0)
 740       return varnish_submit_derive(conf->instance, "vbe",
 741                                    "total_bytes", "bereq_protobytes", val);
 742     else if (strcmp(name, "beresp_hdrbytes") == 0)
 743       return varnish_submit_derive(conf->instance, "vbe",
 744                                    "total_bytes", "beresp_hdrbytes", val);
 745     else if (strcmp(name, "beresp_bodybytes") == 0)
 746       return varnish_submit_derive(conf->instance, "vbe",
 747                                    "total_bytes", "beresp_bodybytes", val);
 748     else if (strcmp(name, "beresp_protobytes") == 0)
 749       return varnish_submit_derive(conf->instance, "vbe",
 750                                    "total_bytes", "beresp_protobytes", val);
 751     else if (strcmp(name, "pipe_hdrbytes") == 0)
 752       return varnish_submit_derive(conf->instance, "vbe",
 753                                    "total_bytes", "pipe_hdrbytes", val);
 754     else if (strcmp(name, "pipe_out") == 0)
 755       return varnish_submit_derive(conf->instance, "vbe",
 756                                    "total_bytes", "pipe_out", val);
 757     else if (strcmp(name, "pipe_in") == 0)
 758       return varnish_submit_derive(conf->instance, "vbe",
 759                                    "total_bytes", "pipe_in", val);
 760     else if (strcmp(name, "conn") == 0)
 761       return varnish_submit_derive(conf->instance, "vbe", "connections",
 762                                   "c_conns", val);
 763     else if (strcmp(name, "req") == 0)
 764       return varnish_submit_derive(conf->instance, "vbe", "http_requests",
 765                                   "b_reqs", val);
 766   }
 767
 768   /* All Stevedores support these counters */
 769   if (conf->collect_sma || conf->collect_smf || conf->collect_mse) {
 770
 771     char category[4];
 772     if (conf->collect_sma)
 773       strncpy(category, "sma", 4);
 774     else if (conf->collect_smf)
 775       strncpy(category, "smf", 4);
 776     else
 777       strncpy(category, "mse", 4);
 778
 779     if (strcmp(name, "c_req") == 0)
 780       return varnish_submit_derive(conf->instance, category,
 781                                    "total_operations", "alloc_req", val);
 782     else if (strcmp(name, "c_fail") == 0)
 783       return varnish_submit_derive(conf->instance, category,
 784                                    "total_operations", "alloc_fail", val);
 785     else if (strcmp(name, "c_bytes") == 0)
 786       return varnish_submit_derive(conf->instance, category,
 787                                    "total_bytes", "bytes_allocated", val);
 788     else if (strcmp(name, "c_freed") == 0)
 789       return varnish_submit_derive(conf->instance, category,
 790                                    "total_bytes", "bytes_freed", val);
 791     else if (strcmp(name, "g_alloc") == 0)
 792       return varnish_submit_derive(conf->instance, category,
 793                                   "total_operations", "alloc_outstanding", val);
 794     else if (strcmp(name, "g_bytes") == 0)
 795       return varnish_submit_gauge(conf->instance, category, "bytes",
 796                                   "bytes_outstanding", val);
 797     else if (strcmp(name, "g_space") == 0)
 798       return varnish_submit_gauge(conf->instance, category, "bytes",
 799                                   "bytes_available", val);
 800   }
 801
 802   /* No SMA specific counters */
 803
 804   if (conf->collect_smf) {
 805     if (strcmp(name, "g_smf") == 0)
 806         return varnish_submit_gauge(conf->instance, "smf", "objects",
 807                                     "n_struct_smf", val);
 808       else if (strcmp(name, "g_smf_frag") == 0)
 809         return varnish_submit_gauge(conf->instance, "smf", "objects",
 810                                     "n_small_free_smf", val);
 811       else if (strcmp(name, "g_smf_large") == 0)
 812         return varnish_submit_gauge(conf->instance, "smf", "objects",
 813                                     "n_large_free_smf", val);
 814   }
 815
 816   if (conf->collect_mgt) {
 817     if (strcmp(name, "uptime") == 0)
 818       return varnish_submit_gauge(conf->instance, "mgt", "uptime",
 819                                   "mgt_proc_uptime", val);
 820     else if (strcmp(name, "child_start") == 0)
 821       return varnish_submit_derive(conf->instance, "mgt",
 822                                    "total_operations", "child_start", val);
 823     else if (strcmp(name, "child_exit") == 0)
 824       return varnish_submit_derive(conf->instance, "mgt",
 825                                    "total_operations", "child_exit", val);
 826     else if (strcmp(name, "child_stop") == 0)
 827       return varnish_submit_derive(conf->instance, "mgt",
 828                                    "total_operations", "child_stop", val);
 829     else if (strcmp(name, "child_died") == 0)
 830       return varnish_submit_derive(conf->instance, "mgt",
 831                                    "total_operations", "child_died", val);
 832     else if (strcmp(name, "child_dump") == 0)
 833       return varnish_submit_derive(conf->instance, "mgt",
 834                                    "total_operations", "child_dump", val);
 835     else if (strcmp(name, "child_panic") == 0)
 836       return varnish_submit_derive(conf->instance, "mgt",
 837                                    "total_operations", "child_panic", val);
 838   }
 839
 840   if (conf->collect_lck) {
 841     if (strcmp(name, "creat") == 0)
 842       return varnish_submit_gauge(conf->instance, "lck", "objects",
 843                                   "created", val);
 844     else if (strcmp(name, "destroy") == 0)
 845       return varnish_submit_gauge(conf->instance, "lck", "objects",
 846                                   "destroyed", val);
 847     else if (strcmp(name, "locks") == 0)
 848       return varnish_submit_derive(conf->instance, "lck", "total_operations",
 849                                   "lock_ops", val);
 850   }
 851
 852   if (conf->collect_mempool) {
 853     if (strcmp(name, "live") == 0)
 854       return varnish_submit_gauge(conf->instance, "mempool", "objects",
 855                                   "in_use", val);
 856     else if (strcmp(name, "pool") == 0)
 857       return varnish_submit_gauge(conf->instance, "mempool", "objects",
 858                                   "in_pool", val);
 859     else if (strcmp(name, "sz_wanted") == 0)
 860       return varnish_submit_gauge(conf->instance, "mempool", "bytes",
 861                                   "size_requested", val);
 862     else if (strcmp(name, "sz_actual") == 0)
 863       return varnish_submit_gauge(conf->instance, "mempool", "bytes",
 864                                   "size_allocated", val);
 865     else if (strcmp(name, "allocs") == 0)
 866       return varnish_submit_derive(conf->instance, "mempool",
 867                                    "total_operations", "allocations", val);
 868     else if (strcmp(name, "frees") == 0)
 869       return varnish_submit_derive(conf->instance, "mempool",
 870                                    "total_operations", "frees", val);
 871     else if (strcmp(name, "recycle") == 0)
 872       return varnish_submit_gauge(conf->instance, "mempool",
 873                                    "objects", "recycled", val);
 874     else if (strcmp(name, "timeout") == 0)
 875       return varnish_submit_gauge(conf->instance, "mempool",
 876                                    "objects", "timed_out", val);
 877     else if (strcmp(name, "toosmall") == 0)
 878       return varnish_submit_gauge(conf->instance, "mempool",
 879                                    "objects", "too_small", val);
 880     else if (strcmp(name, "surplus") == 0)
 881       return varnish_submit_gauge(conf->instance, "mempool",
 882                                    "objects", "surplus", val);
 883     else if (strcmp(name, "randry") == 0)
 884       return varnish_submit_gauge(conf->instance, "mempool",
 885                                    "objects", "ran_dry", val);
 886   }
 887
 888   if (conf->collect_mse) {
 889     if (strcmp(name, "c_full") == 0)
 890       return varnish_submit_derive(conf->instance, "mse",
 891                                   "total_operations", "full_allocs", val);
 892     else if (strcmp(name, "c_truncated") == 0)
 893       return varnish_submit_derive(conf->instance, "mse",
 894                                   "total_operations", "truncated_allocs", val);
 895     else if (strcmp(name, "c_expanded") == 0)
 896       return varnish_submit_derive(conf->instance, "mse",
 897                                   "total_operations", "expanded_allocs", val);
 898     else if (strcmp(name, "c_failed") == 0)
 899       return varnish_submit_derive(conf->instance, "mse",
 900                                   "total_operations", "failed_allocs", val);
 901     else if (strcmp(name, "c_bytes") == 0)
 902       return varnish_submit_derive(conf->instance, "mse",
 903                                   "total_bytes", "bytes_allocated", val);
 904     else if (strcmp(name, "c_freed") == 0)
 905       return varnish_submit_derive(conf->instance, "mse",
 906                                   "total_bytes", "bytes_freed", val);
 907     else if (strcmp(name, "g_fo_alloc") == 0)
 908       return varnish_submit_derive(conf->instance, "mse",
 909                                   "total_operations", "fo_allocs_outstanding", val);
 910     else if (strcmp(name, "g_fo_bytes") == 0)
 911       return varnish_submit_gauge(conf->instance, "mse",
 912                                   "bytes", "fo_bytes_outstanding", val);
 913     else if (strcmp(name, "g_membuf_alloc") == 0)
 914       return varnish_submit_gauge(conf->instance, "mse",
 915                                   "objects", "membufs_allocated", val);
 916     else if (strcmp(name, "g_membuf_inuse") == 0)
 917       return varnish_submit_gauge(conf->instance, "mse",
 918                                   "objects", "membufs_inuse", val);
 919     else if (strcmp(name, "g_bans_bytes") == 0)
 920       return varnish_submit_gauge(conf->instance, "mse",
 921                                   "bytes", "persisted_banspace_used", val);
 922     else if (strcmp(name, "g_bans_space") == 0)
 923       return varnish_submit_gauge(conf->instance, "mse",
 924                                   "bytes", "persisted_banspace_available", val);
 925     else if (strcmp(name, "g_bans_persisted") == 0)
 926       return varnish_submit_derive(conf->instance, "mse",
 927                                   "total_operations", "bans_persisted", val);
 928     else if (strcmp(name, "g_bans_lost") == 0)
 929       return varnish_submit_derive(conf->instance, "mse",
 930                                   "total_operations", "bans_lost", val);
 931
 932      /* mse seg */
 933     else if (strcmp(name, "g_journal_bytes") == 0)
 934       return varnish_submit_gauge(conf->instance, "mse_reg",
 935                                   "bytes", "journal_bytes_used", val);
 936     else if (strcmp(name, "g_journal_space") == 0)
 937       return varnish_submit_gauge(conf->instance, "mse_reg",
 938                                   "bytes", "journal_bytes_free", val);
 939
 940     /* mse segagg */
 941     else if (strcmp(name, "g_bigspace") == 0)
 942       return varnish_submit_gauge(conf->instance, "mse_segagg",
 943                                   "bytes", "big_extents_bytes_available", val);
 944     else if (strcmp(name, "g_extfree") == 0)
 945       return varnish_submit_gauge(conf->instance, "mse_segagg",
 946                                   "objects", "free_extents", val);
 947     else if (strcmp(name, "g_sparenode") == 0)
 948       return varnish_submit_gauge(conf->instance, "mse_segagg",
 949                                   "objects", "spare_nodes_available", val);
 950     else if (strcmp(name, "g_objnode") == 0)
 951       return varnish_submit_gauge(conf->instance, "mse_segagg",
 952                                   "objects", "object_nodes_in_use", val);
 953     else if (strcmp(name, "g_extnode") == 0)
 954       return varnish_submit_gauge(conf->instance, "mse_segagg",
 955                                   "objects", "extent_nodes_in_use", val);
 956     else if (strcmp(name, "g_bigextfree") == 0)
 957       return varnish_submit_gauge(conf->instance, "mse_segagg",
 958                                   "objects", "free_big_extents", val);
 959     else if (strcmp(name, "c_pruneloop") == 0)
 960       return varnish_submit_derive(conf->instance, "mse_segagg",
 961                                   "total_operations", "prune_loops", val);
 962     else if (strcmp(name, "c_pruned") == 0)
 963       return varnish_submit_derive(conf->instance, "mse_segagg",
 964                                   "total_objects", "pruned_objects", val);
 965     else if (strcmp(name, "c_spared") == 0)
 966       return varnish_submit_derive(conf->instance, "mse_segagg",
 967                                   "total_operations", "spared_objects", val);
 968     else if (strcmp(name, "c_skipped") == 0)
 969       return varnish_submit_derive(conf->instance, "mse_segagg",
 970                                   "total_operations", "missed_objects", val);
 971     else if (strcmp(name, "c_nuked") == 0)
 972       return varnish_submit_derive(conf->instance, "mse_segagg",
 973                                   "total_operations", "nuked_objects", val);
 974     else if (strcmp(name, "c_sniped") == 0)
 975       return varnish_submit_derive(conf->instance, "mse_segagg",
 976                                   "total_operations", "sniped_objects", val);
 977
 978   }
 979
 980 #endif
 981
 982   return 0;
 983
 984 } /* }}} static int varnish_monitor */
 985 #else /* if HAVE_VARNISH_V2 */
 986 static void varnish_monitor(const user_config_t *conf, /* {{{ */
 987                             const c_varnish_stats_t *stats) {
 988   if (conf->collect_cache) {
 989     /* Cache hits */
 990     varnish_submit_derive(conf->instance, "cache", "cache_result", "hit",
 991                           stats->cache_hit);
 992     /* Cache misses */
 993     varnish_submit_derive(conf->instance, "cache", "cache_result", "miss",
 994                           stats->cache_miss);
 995     /* Cache hits for pass */
 996     varnish_submit_derive(conf->instance, "cache", "cache_result", "hitpass",
 997                           stats->cache_hitpass);
 998   }
 999
1000   if (conf->collect_connections) {
1001     /* Client connections accepted */
1002     varnish_submit_derive(conf->instance, "connections", "connections",
1003                           "accepted", stats->client_conn);
1004     /* Connection dropped, no sess */
1005     varnish_submit_derive(conf->instance, "connections", "connections",
1006                           "dropped", stats->client_drop);
1007     /* Client requests received    */
1008     varnish_submit_derive(conf->instance, "connections", "connections",
1009                           "received", stats->client_req);
1010   }
1011
1012   if (conf->collect_esi) {
1013     /* ESI parse errors (unlock)   */
1014     varnish_submit_derive(conf->instance, "esi", "total_operations", "error",
1015                           stats->esi_errors);
1016     /* Objects ESI parsed (unlock) */
1017     varnish_submit_derive(conf->instance, "esi", "total_operations", "parsed",
1018                           stats->esi_parse);
1019   }
1020
1021   if (conf->collect_backend) {
1022     /* Backend conn. success       */
1023     varnish_submit_derive(conf->instance, "backend", "connections", "success",
1024                           stats->backend_conn);
1025     /* Backend conn. not attempted */
1026     varnish_submit_derive(conf->instance, "backend", "connections",
1027                           "not-attempted", stats->backend_unhealthy);
1028     /* Backend conn. too many      */
1029     varnish_submit_derive(conf->instance, "backend", "connections", "too-many",
1030                           stats->backend_busy);
1031     /* Backend conn. failures      */
1032     varnish_submit_derive(conf->instance, "backend", "connections", "failures",
1033                           stats->backend_fail);
1034     /* Backend conn. reuses        */
1035     varnish_submit_derive(conf->instance, "backend", "connections", "reuses",
1036                           stats->backend_reuse);
1037     /* Backend conn. was closed    */
1038     varnish_submit_derive(conf->instance, "backend", "connections",
1039                           "was-closed", stats->backend_toolate);
1040     /* Backend conn. recycles      */
1041     varnish_submit_derive(conf->instance, "backend", "connections", "recycled",
1042                           stats->backend_recycle);
1043     /* Backend conn. unused        */
1044     varnish_submit_derive(conf->instance, "backend", "connections", "unused",
1045                           stats->backend_unused);
1046     /* Backend requests mades      */
1047     varnish_submit_derive(conf->instance, "backend", "http_requests",
1048                           "requests", stats->backend_req);
1049     /* N backends                  */
1050     varnish_submit_gauge(conf->instance, "backend", "backends", "n_backends",
1051                          stats->n_backend);
1052   }
1053
1054   if (conf->collect_fetch) {
1055     /* Fetch head                */
1056     varnish_submit_derive(conf->instance, "fetch", "http_requests", "head",
1057                           stats->fetch_head);
1058     /* Fetch with length         */
1059     varnish_submit_derive(conf->instance, "fetch", "http_requests", "length",
1060                           stats->fetch_length);
1061     /* Fetch chunked             */
1062     varnish_submit_derive(conf->instance, "fetch", "http_requests", "chunked",
1063                           stats->fetch_chunked);
1064     /* Fetch EOF                 */
1065     varnish_submit_derive(conf->instance, "fetch", "http_requests", "eof",
1066                           stats->fetch_eof);
1067     /* Fetch bad headers         */
1068     varnish_submit_derive(conf->instance, "fetch", "http_requests",
1069                           "bad_headers", stats->fetch_bad);
1070     /* Fetch wanted close        */
1071     varnish_submit_derive(conf->instance, "fetch", "http_requests", "close",
1072                           stats->fetch_close);
1073     /* Fetch pre HTTP/1.1 closed */
1074     varnish_submit_derive(conf->instance, "fetch", "http_requests", "oldhttp",
1075                           stats->fetch_oldhttp);
1076     /* Fetch zero len            */
1077     varnish_submit_derive(conf->instance, "fetch", "http_requests", "zero",
1078                           stats->fetch_zero);
1079     /* Fetch failed              */
1080     varnish_submit_derive(conf->instance, "fetch", "http_requests", "failed",
1081                           stats->fetch_failed);
1082   }
1083
1084   if (conf->collect_hcb) {
1085     /* HCB Lookups without lock */
1086     varnish_submit_derive(conf->instance, "hcb", "cache_operation",
1087                           "lookup_nolock", stats->hcb_nolock);
1088     /* HCB Lookups with lock    */
1089     varnish_submit_derive(conf->instance, "hcb", "cache_operation",
1090                           "lookup_lock", stats->hcb_lock);
1091     /* HCB Inserts              */
1092     varnish_submit_derive(conf->instance, "hcb", "cache_operation", "insert",
1093                           stats->hcb_insert);
1094   }
1095
1096   if (conf->collect_objects) {
1097     /* N expired objects             */
1098     varnish_submit_derive(conf->instance, "objects", "total_objects", "expired",
1099                           stats->n_expired);
1100     /* N LRU nuked objects           */
1101     varnish_submit_derive(conf->instance, "objects", "total_objects",
1102                           "lru_nuked", stats->n_lru_nuked);
1103     /* N LRU saved objects           */
1104     varnish_submit_derive(conf->instance, "objects", "total_objects",
1105                           "lru_saved", stats->n_lru_saved);
1106     /* N LRU moved objects           */
1107     varnish_submit_derive(conf->instance, "objects", "total_objects",
1108                           "lru_moved", stats->n_lru_moved);
1109     /* N objects on deathrow         */
1110     varnish_submit_derive(conf->instance, "objects", "total_objects",
1111                           "deathrow", stats->n_deathrow);
1112     /* HTTP header overflows         */
1113     varnish_submit_derive(conf->instance, "objects", "total_objects",
1114                           "header_overflow", stats->losthdr);
1115     /* Objects sent with sendfile    */
1116     varnish_submit_derive(conf->instance, "objects", "total_objects",
1117                           "sent_sendfile", stats->n_objsendfile);
1118     /* Objects sent with write       */
1119     varnish_submit_derive(conf->instance, "objects", "total_objects",
1120                           "sent_write", stats->n_objwrite);
1121     /* Objects overflowing workspace */
1122     varnish_submit_derive(conf->instance, "objects", "total_objects",
1123                           "workspace_overflow", stats->n_objoverflow);
1124   }
1125
1126   if (conf->collect_purge) {
1127     /* N total active purges      */
1128     varnish_submit_derive(conf->instance, "purge", "total_operations", "total",
1129                           stats->n_purge);
1130     /* N new purges added         */
1131     varnish_submit_derive(conf->instance, "purge", "total_operations", "added",
1132                           stats->n_purge_add);
1133     /* N old purges deleted       */
1134     varnish_submit_derive(conf->instance, "purge", "total_operations",
1135                           "deleted", stats->n_purge_retire);
1136     /* N objects tested           */
1137     varnish_submit_derive(conf->instance, "purge", "total_operations",
1138                           "objects_tested", stats->n_purge_obj_test);
1139     /* N regexps tested against   */
1140     varnish_submit_derive(conf->instance, "purge", "total_operations",
1141                           "regexps_tested", stats->n_purge_re_test);
1142     /* N duplicate purges removed */
1143     varnish_submit_derive(conf->instance, "purge", "total_operations",
1144                           "duplicate", stats->n_purge_dups);
1145   }
1146
1147   if (conf->collect_session) {
1148     /* Session Closed     */
1149     varnish_submit_derive(conf->instance, "session", "total_operations",
1150                           "closed", stats->sess_closed);
1151     /* Session Pipeline   */
1152     varnish_submit_derive(conf->instance, "session", "total_operations",
1153                           "pipeline", stats->sess_pipeline);
1154     /* Session Read Ahead */
1155     varnish_submit_derive(conf->instance, "session", "total_operations",
1156                           "readahead", stats->sess_readahead);
1157     /* Session Linger     */
1158     varnish_submit_derive(conf->instance, "session", "total_operations",
1159                           "linger", stats->sess_linger);
1160     /* Session herd       */
1161     varnish_submit_derive(conf->instance, "session", "total_operations", "herd",
1162                           stats->sess_herd);
1163   }
1164
1165   if (conf->collect_shm) {
1166     /* SHM records                 */
1167     varnish_submit_derive(conf->instance, "shm", "total_operations", "records",
1168                           stats->shm_records);
1169     /* SHM writes                  */
1170     varnish_submit_derive(conf->instance, "shm", "total_operations", "writes",
1171                           stats->shm_writes);
1172     /* SHM flushes due to overflow */
1173     varnish_submit_derive(conf->instance, "shm", "total_operations", "flushes",
1174                           stats->shm_flushes);
1175     /* SHM MTX contention          */
1176     varnish_submit_derive(conf->instance, "shm", "total_operations",
1177                           "contention", stats->shm_cont);
1178     /* SHM cycles through buffer   */
1179     varnish_submit_derive(conf->instance, "shm", "total_operations", "cycles",
1180                           stats->shm_cycles);
1181   }
1182
1183   if (conf->collect_sm) {
1184     /* allocator requests */
1185     varnish_submit_derive(conf->instance, "sm", "total_requests", "nreq",
1186                           stats->sm_nreq);
1187     /* outstanding allocations */
1188     varnish_submit_gauge(conf->instance, "sm", "requests", "outstanding",
1189                          stats->sm_nobj);
1190     /* bytes allocated */
1191     varnish_submit_derive(conf->instance, "sm", "total_bytes", "allocated",
1192                           stats->sm_balloc);
1193     /* bytes free */
1194     varnish_submit_derive(conf->instance, "sm", "total_bytes", "free",
1195                           stats->sm_bfree);
1196   }
1197
1198   if (conf->collect_sma) {
1199     /* SMA allocator requests */
1200     varnish_submit_derive(conf->instance, "sma", "total_requests", "nreq",
1201                           stats->sma_nreq);
1202     /* SMA outstanding allocations */
1203     varnish_submit_gauge(conf->instance, "sma", "requests", "outstanding",
1204                          stats->sma_nobj);
1205     /* SMA outstanding bytes */
1206     varnish_submit_gauge(conf->instance, "sma", "bytes", "outstanding",
1207                          stats->sma_nbytes);
1208     /* SMA bytes allocated */
1209     varnish_submit_derive(conf->instance, "sma", "total_bytes", "allocated",
1210                           stats->sma_balloc);
1211     /* SMA bytes free */
1212     varnish_submit_derive(conf->instance, "sma", "total_bytes", "free",
1213                           stats->sma_bfree);
1214   }
1215
1216   if (conf->collect_sms) {
1217     /* SMS allocator requests */
1218     varnish_submit_derive(conf->instance, "sms", "total_requests", "allocator",
1219                           stats->sms_nreq);
1220     /* SMS outstanding allocations */
1221     varnish_submit_gauge(conf->instance, "sms", "requests", "outstanding",
1222                          stats->sms_nobj);
1223     /* SMS outstanding bytes */
1224     varnish_submit_gauge(conf->instance, "sms", "bytes", "outstanding",
1225                          stats->sms_nbytes);
1226     /* SMS bytes allocated */
1227     varnish_submit_derive(conf->instance, "sms", "total_bytes", "allocated",
1228                           stats->sms_balloc);
1229     /* SMS bytes freed */
1230     varnish_submit_derive(conf->instance, "sms", "total_bytes", "free",
1231                           stats->sms_bfree);
1232   }
1233
1234   if (conf->collect_struct) {
1235     /* N struct sess_mem       */
1236     varnish_submit_gauge(conf->instance, "struct", "current_sessions",
1237                          "sess_mem", stats->n_sess_mem);
1238     /* N struct sess           */
1239     varnish_submit_gauge(conf->instance, "struct", "current_sessions", "sess",
1240                          stats->n_sess);
1241     /* N struct object         */
1242     varnish_submit_gauge(conf->instance, "struct", "objects", "object",
1243                          stats->n_object);
1244     /* N struct objecthead     */
1245     varnish_submit_gauge(conf->instance, "struct", "objects", "objecthead",
1246                          stats->n_objecthead);
1247     /* N struct smf            */
1248     varnish_submit_gauge(conf->instance, "struct", "objects", "smf",
1249                          stats->n_smf);
1250     /* N small free smf         */
1251     varnish_submit_gauge(conf->instance, "struct", "objects", "smf_frag",
1252                          stats->n_smf_frag);
1253     /* N large free smf         */
1254     varnish_submit_gauge(conf->instance, "struct", "objects", "smf_large",
1255                          stats->n_smf_large);
1256     /* N struct vbe_conn        */
1257     varnish_submit_gauge(conf->instance, "struct", "objects", "vbe_conn",
1258                          stats->n_vbe_conn);
1259   }
1260
1261   if (conf->collect_totals) {
1262     /* Total Sessions */
1263     varnish_submit_derive(conf->instance, "totals", "total_sessions",
1264                           "sessions", stats->s_sess);
1265     /* Total Requests */
1266     varnish_submit_derive(conf->instance, "totals", "total_requests",
1267                           "requests", stats->s_req);
1268     /* Total pipe */
1269     varnish_submit_derive(conf->instance, "totals", "total_operations", "pipe",
1270                           stats->s_pipe);
1271     /* Total pass */
1272     varnish_submit_derive(conf->instance, "totals", "total_operations", "pass",
1273                           stats->s_pass);
1274     /* Total fetch */
1275     varnish_submit_derive(conf->instance, "totals", "total_operations",
1276                           "fetches", stats->s_fetch);
1277     /* Total header bytes */
1278     varnish_submit_derive(conf->instance, "totals", "total_bytes",
1279                           "header-bytes", stats->s_hdrbytes);
1280     /* Total body byte */
1281     varnish_submit_derive(conf->instance, "totals", "total_bytes", "body-bytes",
1282                           stats->s_bodybytes);
1283   }
1284
1285   if (conf->collect_vcl) {
1286     /* N vcl total     */
1287     varnish_submit_gauge(conf->instance, "vcl", "vcl", "total_vcl",
1288                          stats->n_vcl);
1289     /* N vcl available */
1290     varnish_submit_gauge(conf->instance, "vcl", "vcl", "avail_vcl",
1291                          stats->n_vcl_avail);
1292     /* N vcl discarded */
1293     varnish_submit_gauge(conf->instance, "vcl", "vcl", "discarded_vcl",
1294                          stats->n_vcl_discard);
1295   }
1296
1297   if (conf->collect_workers) {
1298     /* worker threads */
1299     varnish_submit_gauge(conf->instance, "workers", "threads", "worker",
1300                          stats->n_wrk);
1301     /* worker threads created */
1302     varnish_submit_derive(conf->instance, "workers", "total_threads", "created",
1303                           stats->n_wrk_create);
1304     /* worker threads not created */
1305     varnish_submit_derive(conf->instance, "workers", "total_threads", "failed",
1306                           stats->n_wrk_failed);
1307     /* worker threads limited */
1308     varnish_submit_derive(conf->instance, "workers", "total_threads", "limited",
1309                           stats->n_wrk_max);
1310     /* dropped work requests */
1311     varnish_submit_derive(conf->instance, "workers", "total_threads", "dropped",
1312                           stats->n_wrk_drop);
1313     /* queued work requests */
1314     varnish_submit_derive(conf->instance, "workers", "total_requests", "queued",
1315                           stats->n_wrk_queue);
1316     /* overflowed work requests */
1317     varnish_submit_derive(conf->instance, "workers", "total_requests",
1318                           "overflowed", stats->n_wrk_overflow);
1319   }
1320
1321 } /* }}} void varnish_monitor */
1322 #endif
1323
1324 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
1325 static int varnish_read(user_data_t *ud) /* {{{ */
1326 {
1327   struct VSM_data *vd;
1328   const c_varnish_stats_t *stats;
1329   _Bool ok;
1330
1331   user_config_t *conf;
1332
1333   if ((ud == NULL) || (ud->data == NULL))
1334     return EINVAL;
1335
1336   conf = ud->data;
1337
1338   vd = VSM_New();
1339 #if HAVE_VARNISH_V3
1340   VSC_Setup(vd);
1341 #endif
1342
1343   if (conf->instance != NULL) {
1344     int status;
1345
1346     status = VSM_n_Arg(vd, conf->instance);
1347     if (status < 0) {
1348       VSM_Delete(vd);
1349       ERROR("varnish plugin: VSM_n_Arg (\"%s\") failed "
1350             "with status %i.",
1351             conf->instance, status);
1352       return -1;
1353     }
1354   }
1355
1356 #if HAVE_VARNISH_V3
1357   ok = (VSC_Open(vd, /* diag = */ 1) == 0);
1358 #else /* if HAVE_VARNISH_V4 */
1359   ok = (VSM_Open(vd) == 0);
1360 #endif
1361   if (!ok) {
1362     VSM_Delete(vd);
1363     ERROR("varnish plugin: Unable to open connection.");
1364
1365     return -1;
1366   }
1367
1368 #if HAVE_VARNISH_V3
1369   stats = VSC_Main(vd);
1370 #else /* if HAVE_VARNISH_V4 */
1371   stats = VSC_Main(vd, NULL);
1372 #endif
1373   if (!stats) {
1374     VSM_Delete(vd);
1375     ERROR("varnish plugin: Unable to get statistics.");
1376
1377     return -1;
1378   }
1379
1380 #if HAVE_VARNISH_V3
1381   VSC_Iter(vd, varnish_monitor, conf);
1382 #else /* if HAVE_VARNISH_V4 */
1383   VSC_Iter(vd, NULL, varnish_monitor, conf);
1384 #endif
1385   VSM_Delete(vd);
1386
1387   return 0;
1388 } /* }}} */
1389 #else /* if HAVE_VARNISH_V2 */
1390 static int varnish_read(user_data_t *ud) /* {{{ */
1391 {
1392   const c_varnish_stats_t *stats;
1393
1394   user_config_t *conf;
1395
1396   if ((ud == NULL) || (ud->data == NULL))
1397     return EINVAL;
1398
1399   conf = ud->data;
1400
1401   stats = VSL_OpenStats(conf->instance);
1402   if (stats == NULL) {
1403     ERROR("Varnish plugin : unable to load statistics");
1404
1405     return -1;
1406   }
1407
1408   varnish_monitor(conf, stats);
1409
1410   return 0;
1411 } /* }}} */
1412 #endif
1413
1414 static void varnish_config_free(void *ptr) /* {{{ */
1415 {
1416   user_config_t *conf = ptr;
1417
1418   if (conf == NULL)
1419     return;
1420
1421   sfree(conf->instance);
1422   sfree(conf);
1423 } /* }}} */
1424
1425 static int varnish_config_apply_default(user_config_t *conf) /* {{{ */
1426 {
1427   if (conf == NULL)
1428     return EINVAL;
1429
1430   conf->collect_backend = 1;
1431   conf->collect_cache = 1;
1432   conf->collect_connections = 1;
1433 #ifdef HAVE_VARNISH_V3
1434   conf->collect_dirdns = 0;
1435 #endif
1436   conf->collect_esi = 0;
1437   conf->collect_fetch = 0;
1438   conf->collect_hcb = 0;
1439   conf->collect_objects = 0;
1440 #if HAVE_VARNISH_V2
1441   conf->collect_purge = 0;
1442 #else
1443   conf->collect_ban = 0;
1444 #endif
1445   conf->collect_session = 0;
1446   conf->collect_shm = 1;
1447 #if HAVE_VARNISH_V2
1448   conf->collect_sm = 0;
1449 #endif
1450 #if HAVE_VARNISH_V2 || HAVE_VARNISH_V4
1451   conf->collect_sma = 0;
1452 #endif
1453   conf->collect_sms = 0;
1454   conf->collect_struct = 0;
1455   conf->collect_totals = 0;
1456 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
1457   conf->collect_uptime = 0;
1458 #endif
1459   conf->collect_vcl = 0;
1460   conf->collect_workers = 0;
1461 #if HAVE_VARNISH_V4
1462   conf->collect_vsm = 0;
1463   conf->collect_lck = 0;
1464   conf->collect_mempool = 0;
1465   conf->collect_mgt = 0;
1466   conf->collect_smf = 0;
1467   conf->collect_vbe = 0;
1468   conf->collect_mse = 0;
1469 #endif
1470
1471   return 0;
1472 } /* }}} int varnish_config_apply_default */
1473
1474 static int varnish_init(void) /* {{{ */
1475 {
1476   user_config_t *conf;
1477
1478   if (have_instance)
1479     return 0;
1480
1481   conf = calloc(1, sizeof(*conf));
1482   if (conf == NULL)
1483     return ENOMEM;
1484
1485   /* Default settings: */
1486   conf->instance = NULL;
1487
1488   varnish_config_apply_default(conf);
1489
1490   plugin_register_complex_read(
1491       /* group = */ "varnish",
1492       /* name      = */ "varnish/localhost",
1493       /* callback  = */ varnish_read,
1494       /* interval  = */ 0,
1495       &(user_data_t){
1496           .data = conf, .free_func = varnish_config_free,
1497       });
1498
1499   return 0;
1500 } /* }}} int varnish_init */
1501
1502 static int varnish_config_instance(const oconfig_item_t *ci) /* {{{ */
1503 {
1504   user_config_t *conf;
1505   char callback_name[DATA_MAX_NAME_LEN];
1506
1507   conf = calloc(1, sizeof(*conf));
1508   if (conf == NULL)
1509     return ENOMEM;
1510   conf->instance = NULL;
1511
1512   varnish_config_apply_default(conf);
1513
1514   if (ci->values_num == 1) {
1515     int status;
1516
1517     status = cf_util_get_string(ci, &conf->instance);
1518     if (status != 0) {
1519       sfree(conf);
1520       return status;
1521     }
1522     assert(conf->instance != NULL);
1523
1524     if (strcmp("localhost", conf->instance) == 0) {
1525       sfree(conf->instance);
1526       conf->instance = NULL;
1527     }
1528   } else if (ci->values_num > 1) {
1529     WARNING("Varnish plugin: \"Instance\" blocks accept only "
1530             "one argument.");
1531     sfree(conf);
1532     return EINVAL;
1533   }
1534
1535   for (int i = 0; i < ci->children_num; i++) {
1536     oconfig_item_t *child = ci->children + i;
1537
1538     if (strcasecmp("CollectCache", child->key) == 0)
1539       cf_util_get_boolean(child, &conf->collect_cache);
1540     else if (strcasecmp("CollectConnections", child->key) == 0)
1541       cf_util_get_boolean(child, &conf->collect_connections);
1542     else if (strcasecmp("CollectESI", child->key) == 0)
1543       cf_util_get_boolean(child, &conf->collect_esi);
1544     else if (strcasecmp("CollectDirectorDNS", child->key) == 0)
1545 #ifdef HAVE_VARNISH_V3
1546       cf_util_get_boolean(child, &conf->collect_dirdns);
1547 #else
1548       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1549               child->key, "v3");
1550 #endif
1551     else if (strcasecmp("CollectBackend", child->key) == 0)
1552       cf_util_get_boolean(child, &conf->collect_backend);
1553     else if (strcasecmp("CollectFetch", child->key) == 0)
1554       cf_util_get_boolean(child, &conf->collect_fetch);
1555     else if (strcasecmp("CollectHCB", child->key) == 0)
1556       cf_util_get_boolean(child, &conf->collect_hcb);
1557     else if (strcasecmp("CollectObjects", child->key) == 0)
1558       cf_util_get_boolean(child, &conf->collect_objects);
1559     else if (strcasecmp("CollectPurge", child->key) == 0)
1560 #if HAVE_VARNISH_V2
1561       cf_util_get_boolean(child, &conf->collect_purge);
1562 #else
1563       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1564               child->key, "v2");
1565 #endif
1566     else if (strcasecmp("CollectBan", child->key) == 0)
1567 #if HAVE_VARNISH_V2
1568       WARNING("Varnish plugin: \"%s\" is not available for Varnish %s.",
1569               child->key, "v2");
1570 #else
1571       cf_util_get_boolean(child, &conf->collect_ban);
1572 #endif
1573     else if (strcasecmp("CollectSession", child->key) == 0)
1574       cf_util_get_boolean(child, &conf->collect_session);
1575     else if (strcasecmp("CollectSHM", child->key) == 0)
1576       cf_util_get_boolean(child, &conf->collect_shm);
1577     else if (strcasecmp("CollectSMS", child->key) == 0)
1578       cf_util_get_boolean(child, &conf->collect_sms);
1579     else if (strcasecmp("CollectSMA", child->key) == 0)
1580 #if HAVE_VARNISH_V2 || HAVE_VARNISH_V4
1581       cf_util_get_boolean(child, &conf->collect_sma);
1582 #else
1583       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1584               child->key, "v2 and v4");
1585 #endif
1586     else if (strcasecmp("CollectSM", child->key) == 0)
1587 #if HAVE_VARNISH_V2
1588       cf_util_get_boolean(child, &conf->collect_sm);
1589 #else
1590       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1591               child->key, "v2");
1592 #endif
1593     else if (strcasecmp("CollectStruct", child->key) == 0)
1594       cf_util_get_boolean(child, &conf->collect_struct);
1595     else if (strcasecmp("CollectTotals", child->key) == 0)
1596       cf_util_get_boolean(child, &conf->collect_totals);
1597     else if (strcasecmp("CollectUptime", child->key) == 0)
1598 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
1599       cf_util_get_boolean(child, &conf->collect_uptime);
1600 #else
1601       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1602               child->key, "v3 and v4");
1603 #endif
1604     else if (strcasecmp("CollectVCL", child->key) == 0)
1605       cf_util_get_boolean(child, &conf->collect_vcl);
1606     else if (strcasecmp("CollectWorkers", child->key) == 0)
1607       cf_util_get_boolean(child, &conf->collect_workers);
1608     else if (strcasecmp("CollectVSM", child->key) == 0)
1609 #if HAVE_VARNISH_V4
1610       cf_util_get_boolean(child, &conf->collect_vsm);
1611 #else
1612       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1613               child->key, "v4");
1614 #endif
1615     else if (strcasecmp("CollectLock", child->key) == 0)
1616 #if HAVE_VARNISH_V4
1617       cf_util_get_boolean(child, &conf->collect_lck);
1618 #else
1619       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1620               child->key, "v4");
1621 #endif
1622     else if (strcasecmp("CollectMempool", child->key) == 0)
1623 #if HAVE_VARNISH_V4
1624       cf_util_get_boolean(child, &conf->collect_mempool);
1625 #else
1626       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1627               child->key, "v4");
1628 #endif
1629     else if (strcasecmp("CollectManagement", child->key) == 0)
1630 #if HAVE_VARNISH_V4
1631       cf_util_get_boolean(child, &conf->collect_mgt);
1632 #else
1633       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1634               child->key, "v4");
1635 #endif
1636     else if (strcasecmp("CollectSMF", child->key) == 0)
1637 #if HAVE_VARNISH_V4
1638       cf_util_get_boolean(child, &conf->collect_smf);
1639 #else
1640       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1641               child->key, "v4");
1642 #endif
1643     else if (strcasecmp("CollectSMF", child->key) == 0)
1644 #if HAVE_VARNISH_V4
1645       cf_util_get_boolean(child, &conf->collect_smf);
1646 #else
1647       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1648               child->key, "v4");
1649 #endif
1650     else if (strcasecmp("CollectVBE", child->key) == 0)
1651 #if HAVE_VARNISH_V4
1652       cf_util_get_boolean(child, &conf->collect_vbe);
1653 #else
1654       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1655               child->key, "v4");
1656 #endif
1657     else if (strcasecmp("CollectMSE", child->key) == 0)
1658 #if HAVE_VARNISH_V4
1659       cf_util_get_boolean(child, &conf->collect_mse);
1660 #else
1661       WARNING("Varnish plugin: \"%s\" is available for Varnish %s only.",
1662               child->key, "Plus v4");
1663 #endif
1664     else {
1665       WARNING("Varnish plugin: Ignoring unknown "
1666               "configuration option: \"%s\". Did "
1667               "you forget to add an <Instance /> "
1668               "block around the configuration?",
1669               child->key);
1670     }
1671   }
1672
1673   if (!conf->collect_cache && !conf->collect_connections &&
1674       !conf->collect_esi && !conf->collect_backend
1675 #ifdef HAVE_VARNISH_V3
1676       && !conf->collect_dirdns
1677 #endif
1678       && !conf->collect_fetch && !conf->collect_hcb && !conf->collect_objects
1679 #if HAVE_VARNISH_V2
1680       && !conf->collect_purge
1681 #else
1682       && !conf->collect_ban
1683 #endif
1684       && !conf->collect_session && !conf->collect_shm && !conf->collect_sms
1685 #if HAVE_VARNISH_V2
1686       && !conf->collect_sm
1687 #endif
1688 #if HAVE_VARNISH_V2 || HAVE_VARNISH_V4
1689       && !conf->collect_sma
1690 #endif
1691       && !conf->collect_struct && !conf->collect_totals
1692 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
1693       && !conf->collect_uptime
1694 #endif
1695       && !conf->collect_vcl && !conf->collect_workers
1696 #if HAVE_VARNISH_V4
1697       && !conf->collect_vsm && !conf->collect_vbe && !conf->collect_smf
1698       && !conf->collect_mgt && !conf->collect_lck && !conf->collect_mempool
1699       && !conf->collect_mse
1700 #endif
1701       ) {
1702     WARNING("Varnish plugin: No metric has been configured for "
1703             "instance \"%s\". Disabling this instance.",
1704             (conf->instance == NULL) ? "localhost" : conf->instance);
1705     sfree(conf);
1706     return EINVAL;
1707   }
1708
1709   snprintf(callback_name, sizeof(callback_name), "varnish/%s",
1710            (conf->instance == NULL) ? "localhost" : conf->instance);
1711
1712   plugin_register_complex_read(
1713       /* group = */ "varnish",
1714       /* name      = */ callback_name,
1715       /* callback  = */ varnish_read,
1716       /* interval  = */ 0,
1717       &(user_data_t){
1718           .data = conf, .free_func = varnish_config_free,
1719       });
1720
1721   have_instance = 1;
1722
1723   return 0;
1724 } /* }}} int varnish_config_instance */
1725
1726 static int varnish_config(oconfig_item_t *ci) /* {{{ */
1727 {
1728   for (int i = 0; i < ci->children_num; i++) {
1729     oconfig_item_t *child = ci->children + i;
1730
1731     if (strcasecmp("Instance", child->key) == 0)
1732       varnish_config_instance(child);
1733     else {
1734       WARNING("Varnish plugin: Ignoring unknown "
1735               "configuration option: \"%s\"",
1736               child->key);
1737     }
1738   }
1739
1740   return 0;
1741 } /* }}} int varnish_config */
1742
1743 void module_register(void) /* {{{ */
1744 {
1745   plugin_register_complex_config("varnish", varnish_config);
1746   plugin_register_init("varnish", varnish_init);
1747 } /* }}} */