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diff --git a/src/varnish.c b/src/varnish.c
--- /dev/null
+++ b/src/varnish.c
@@ -0,0 +1,939 @@
+/**
+ * collectd - src/varnish.c
+ * Copyright (C) 2010 Jérôme Renard
+ * Copyright (C) 2010 Marc Fournier
+ * Copyright (C) 2010-2012 Florian Forster
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Jérôme Renard <jerome.renard at gmail.com>
+ * Marc Fournier <marc.fournier at camptocamp.com>
+ * Florian octo Forster <octo at collectd.org>
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+#include "configfile.h"
+
+#if HAVE_VARNISH_V4
+#include <varnish/vapi/vsm.h>
+#include <varnish/vapi/vsc.h>
+typedef struct VSC_C_main c_varnish_stats_t;
+#endif
+
+#if HAVE_VARNISH_V3
+#include <varnish/varnishapi.h>
+#include <varnish/vsc.h>
+typedef struct VSC_C_main c_varnish_stats_t;
+#endif
+
+#if HAVE_VARNISH_V2
+#include <varnish/varnishapi.h>
+typedef struct varnish_stats c_varnish_stats_t;
+#endif
+
+/* {{{ user_config_s */
+struct user_config_s {
+ char *instance;
+
+ _Bool collect_cache;
+ _Bool collect_connections;
+ _Bool collect_esi;
+ _Bool collect_backend;
+#ifdef HAVE_VARNISH_V3
+ _Bool collect_dirdns;
+#endif
+ _Bool collect_fetch;
+ _Bool collect_hcb;
+ _Bool collect_objects;
+#if HAVE_VARNISH_V2
+ _Bool collect_purge;
+#else
+ _Bool collect_ban;
+#endif
+ _Bool collect_session;
+ _Bool collect_shm;
+ _Bool collect_sms;
+#if HAVE_VARNISH_V2
+ _Bool collect_sm;
+ _Bool collect_sma;
+#endif
+ _Bool collect_struct;
+ _Bool collect_totals;
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ _Bool collect_uptime;
+#endif
+ _Bool collect_vcl;
+ _Bool collect_workers;
+#if HAVE_VARNISH_V4
+ _Bool collect_vsm;
+#endif
+};
+typedef struct user_config_s user_config_t; /* }}} */
+
+static _Bool have_instance = 0;
+
+static int varnish_submit (const char *plugin_instance, /* {{{ */
+ const char *category, const char *type, const char *type_instance, value_t value)
+{
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = &value;
+ vl.values_len = 1;
+
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+
+ sstrncpy (vl.plugin, "varnish", sizeof (vl.plugin));
+
+ if (plugin_instance == NULL)
+ plugin_instance = "default";
+
+ ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance),
+ "%s-%s", plugin_instance, category);
+
+ sstrncpy (vl.type, type, sizeof (vl.type));
+
+ if (type_instance != NULL)
+ sstrncpy (vl.type_instance, type_instance,
+ sizeof (vl.type_instance));
+
+ return (plugin_dispatch_values (&vl));
+} /* }}} int varnish_submit */
+
+static int varnish_submit_gauge (const char *plugin_instance, /* {{{ */
+ const char *category, const char *type, const char *type_instance,
+ uint64_t gauge_value)
+{
+ value_t value;
+
+ value.gauge = (gauge_t) gauge_value;
+
+ return (varnish_submit (plugin_instance, category, type, type_instance, value));
+} /* }}} int varnish_submit_gauge */
+
+static int varnish_submit_derive (const char *plugin_instance, /* {{{ */
+ const char *category, const char *type, const char *type_instance,
+ uint64_t derive_value)
+{
+ value_t value;
+
+ value.derive = (derive_t) derive_value;
+
+ return (varnish_submit (plugin_instance, category, type, type_instance, value));
+} /* }}} int varnish_submit_derive */
+
+static void varnish_monitor (const user_config_t *conf, /* {{{ */
+ const c_varnish_stats_t *stats)
+{
+ if (conf->collect_cache)
+ {
+ /* Cache hits */
+ varnish_submit_derive (conf->instance, "cache", "cache_result", "hit", stats->cache_hit);
+ /* Cache misses */
+ varnish_submit_derive (conf->instance, "cache", "cache_result", "miss", stats->cache_miss);
+ /* Cache hits for pass */
+ varnish_submit_derive (conf->instance, "cache", "cache_result", "hitpass", stats->cache_hitpass);
+ }
+
+ if (conf->collect_connections)
+ {
+#ifndef HAVE_VARNISH_V4
+ /* Client connections accepted */
+ varnish_submit_derive (conf->instance, "connections", "connections", "accepted", stats->client_conn);
+ /* Connection dropped, no sess */
+ varnish_submit_derive (conf->instance, "connections", "connections", "dropped" , stats->client_drop);
+#endif
+ /* Client requests received */
+ varnish_submit_derive (conf->instance, "connections", "connections", "received", stats->client_req);
+ }
+
+#ifdef HAVE_VARNISH_V3
+ if (conf->collect_dirdns)
+ {
+ /* DNS director lookups */
+ varnish_submit_derive (conf->instance, "dirdns", "cache_operation", "lookups", stats->dir_dns_lookups);
+ /* DNS director failed lookups */
+ varnish_submit_derive (conf->instance, "dirdns", "cache_result", "failed", stats->dir_dns_failed);
+ /* DNS director cached lookups hit */
+ varnish_submit_derive (conf->instance, "dirdns", "cache_result", "hits", stats->dir_dns_hit);
+ /* DNS director full dnscache */
+ varnish_submit_derive (conf->instance, "dirdns", "cache_result", "cache_full", stats->dir_dns_cache_full);
+ }
+#endif
+
+ if (conf->collect_esi)
+ {
+ /* ESI parse errors (unlock) */
+ varnish_submit_derive (conf->instance, "esi", "total_operations", "error", stats->esi_errors);
+#if HAVE_VARNISH_V2
+ /* Objects ESI parsed (unlock) */
+ varnish_submit_derive (conf->instance, "esi", "total_operations", "parsed", stats->esi_parse);
+#else
+ /* ESI parse warnings (unlock) */
+ varnish_submit_derive (conf->instance, "esi", "total_operations", "warning", stats->esi_warnings);
+#endif
+ }
+
+ if (conf->collect_backend)
+ {
+ /* Backend conn. success */
+ varnish_submit_derive (conf->instance, "backend", "connections", "success" , stats->backend_conn);
+ /* Backend conn. not attempted */
+ varnish_submit_derive (conf->instance, "backend", "connections", "not-attempted", stats->backend_unhealthy);
+ /* Backend conn. too many */
+ varnish_submit_derive (conf->instance, "backend", "connections", "too-many" , stats->backend_busy);
+ /* Backend conn. failures */
+ varnish_submit_derive (conf->instance, "backend", "connections", "failures" , stats->backend_fail);
+ /* Backend conn. reuses */
+ varnish_submit_derive (conf->instance, "backend", "connections", "reuses" , stats->backend_reuse);
+ /* Backend conn. was closed */
+ varnish_submit_derive (conf->instance, "backend", "connections", "was-closed" , stats->backend_toolate);
+ /* Backend conn. recycles */
+ varnish_submit_derive (conf->instance, "backend", "connections", "recycled" , stats->backend_recycle);
+#if HAVE_VARNISH_V2
+ /* Backend conn. unused */
+ varnish_submit_derive (conf->instance, "backend", "connections", "unused" , stats->backend_unused);
+#else
+ /* Backend conn. retry */
+ varnish_submit_derive (conf->instance, "backend", "connections", "retries" , stats->backend_retry);
+#endif
+ /* Backend requests mades */
+ varnish_submit_derive (conf->instance, "backend", "http_requests", "requests" , stats->backend_req);
+ /* N backends */
+ varnish_submit_gauge (conf->instance, "backend", "backends", "n_backends" , stats->n_backend);
+ }
+
+ if (conf->collect_fetch)
+ {
+ /* Fetch head */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "head" , stats->fetch_head);
+ /* Fetch with length */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "length" , stats->fetch_length);
+ /* Fetch chunked */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "chunked" , stats->fetch_chunked);
+ /* Fetch EOF */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "eof" , stats->fetch_eof);
+ /* Fetch bad headers */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "bad_headers", stats->fetch_bad);
+ /* Fetch wanted close */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "close" , stats->fetch_close);
+ /* Fetch pre HTTP/1.1 closed */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "oldhttp" , stats->fetch_oldhttp);
+ /* Fetch zero len */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "zero" , stats->fetch_zero);
+ /* Fetch failed */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "failed" , stats->fetch_failed);
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ /* Fetch no body (1xx) */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "no_body_1xx", stats->fetch_1xx);
+ /* Fetch no body (204) */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "no_body_204", stats->fetch_204);
+ /* Fetch no body (304) */
+ varnish_submit_derive (conf->instance, "fetch", "http_requests", "no_body_304", stats->fetch_304);
+#endif
+ }
+
+ if (conf->collect_hcb)
+ {
+ /* HCB Lookups without lock */
+ varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_nolock", stats->hcb_nolock);
+ /* HCB Lookups with lock */
+ varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_lock", stats->hcb_lock);
+ /* HCB Inserts */
+ varnish_submit_derive (conf->instance, "hcb", "cache_operation", "insert", stats->hcb_insert);
+ }
+
+ if (conf->collect_objects)
+ {
+ /* N expired objects */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "expired", stats->n_expired);
+ /* N LRU nuked objects */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_nuked", stats->n_lru_nuked);
+#if HAVE_VARNISH_V2
+ /* N LRU saved objects */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_saved", stats->n_lru_saved);
+#endif
+ /* N LRU moved objects */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_moved", stats->n_lru_moved);
+#if HAVE_VARNISH_V2
+ /* N objects on deathrow */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "deathrow", stats->n_deathrow);
+#endif
+ /* HTTP header overflows */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "header_overflow", stats->losthdr);
+#if HAVE_VARNISH_V4
+ /* N purged objects */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "purged", stats->n_obj_purged);
+#else
+ /* Objects sent with sendfile */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "sent_sendfile", stats->n_objsendfile);
+ /* Objects sent with write */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "sent_write", stats->n_objwrite);
+ /* Objects overflowing workspace */
+ varnish_submit_derive (conf->instance, "objects", "total_objects", "workspace_overflow", stats->n_objoverflow);
+#endif
+ }
+
+#if HAVE_VARNISH_V2
+ if (conf->collect_purge)
+ {
+ /* N total active purges */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "total", stats->n_purge);
+ /* N new purges added */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "added", stats->n_purge_add);
+ /* N old purges deleted */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "deleted", stats->n_purge_retire);
+ /* N objects tested */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "objects_tested", stats->n_purge_obj_test);
+ /* N regexps tested against */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "regexps_tested", stats->n_purge_re_test);
+ /* N duplicate purges removed */
+ varnish_submit_derive (conf->instance, "purge", "total_operations", "duplicate", stats->n_purge_dups);
+ }
+#endif
+#if HAVE_VARNISH_V3
+ if (conf->collect_ban)
+ {
+ /* N total active bans */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "total", stats->n_ban);
+ /* N new bans added */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "added", stats->n_ban_add);
+ /* N old bans deleted */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "deleted", stats->n_ban_retire);
+ /* N objects tested */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "objects_tested", stats->n_ban_obj_test);
+ /* N regexps tested against */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "regexps_tested", stats->n_ban_re_test);
+ /* N duplicate bans removed */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "duplicate", stats->n_ban_dups);
+ }
+#endif
+#if HAVE_VARNISH_V4
+ if (conf->collect_ban)
+ {
+ /* N total active bans */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "total", stats->bans);
+ /* N new bans added */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "added", stats->bans_added);
+ /* N bans using obj */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "obj", stats->bans_obj);
+ /* N bans using req */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "req", stats->bans_req);
+ /* N new bans completed */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "completed", stats->bans_completed);
+ /* N old bans deleted */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "deleted", stats->bans_deleted);
+ /* N objects tested */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "tested", stats->bans_tested);
+ /* N duplicate bans removed */
+ varnish_submit_derive (conf->instance, "ban", "total_operations", "duplicate", stats->bans_dups);
+ }
+#endif
+
+ if (conf->collect_session)
+ {
+ /* Session Closed */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "closed", stats->sess_closed);
+ /* Session Pipeline */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "pipeline", stats->sess_pipeline);
+ /* Session Read Ahead */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "readahead", stats->sess_readahead);
+#if HAVE_VARNISH_V4
+ /* Sessions accepted */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "accepted", stats->sess_conn);
+ /* Sessions dropped for thread */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "dropped", stats->sess_drop);
+ /* Sessions accept failure */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "failed", stats->sess_fail);
+ /* Sessions pipe overflow */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "overflow", stats->sess_pipe_overflow);
+ /* Sessions queued for thread */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "queued", stats->sess_queued);
+#else
+ /* Session Linger */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "linger", stats->sess_linger);
+#endif
+ /* Session herd */
+ varnish_submit_derive (conf->instance, "session", "total_operations", "herd", stats->sess_herd);
+ }
+
+ if (conf->collect_shm)
+ {
+ /* SHM records */
+ varnish_submit_derive (conf->instance, "shm", "total_operations", "records" , stats->shm_records);
+ /* SHM writes */
+ varnish_submit_derive (conf->instance, "shm", "total_operations", "writes" , stats->shm_writes);
+ /* SHM flushes due to overflow */
+ varnish_submit_derive (conf->instance, "shm", "total_operations", "flushes" , stats->shm_flushes);
+ /* SHM MTX contention */
+ varnish_submit_derive (conf->instance, "shm", "total_operations", "contention", stats->shm_cont);
+ /* SHM cycles through buffer */
+ varnish_submit_derive (conf->instance, "shm", "total_operations", "cycles" , stats->shm_cycles);
+ }
+
+#if HAVE_VARNISH_V2
+ if (conf->collect_sm)
+ {
+ /* allocator requests */
+ varnish_submit_derive (conf->instance, "sm", "total_requests", "nreq", stats->sm_nreq);
+ /* outstanding allocations */
+ varnish_submit_gauge (conf->instance, "sm", "requests", "outstanding", stats->sm_nobj);
+ /* bytes allocated */
+ varnish_submit_derive (conf->instance, "sm", "total_bytes", "allocated", stats->sm_balloc);
+ /* bytes free */
+ varnish_submit_derive (conf->instance, "sm", "total_bytes", "free", stats->sm_bfree);
+ }
+
+ if (conf->collect_sma)
+ {
+ /* SMA allocator requests */
+ varnish_submit_derive (conf->instance, "sma", "total_requests", "nreq", stats->sma_nreq);
+ /* SMA outstanding allocations */
+ varnish_submit_gauge (conf->instance, "sma", "requests", "outstanding", stats->sma_nobj);
+ /* SMA outstanding bytes */
+ varnish_submit_gauge (conf->instance, "sma", "bytes", "outstanding", stats->sma_nbytes);
+ /* SMA bytes allocated */
+ varnish_submit_derive (conf->instance, "sma", "total_bytes", "allocated", stats->sma_balloc);
+ /* SMA bytes free */
+ varnish_submit_derive (conf->instance, "sma", "total_bytes", "free" , stats->sma_bfree);
+ }
+#endif
+
+ if (conf->collect_sms)
+ {
+ /* SMS allocator requests */
+ varnish_submit_derive (conf->instance, "sms", "total_requests", "allocator", stats->sms_nreq);
+ /* SMS outstanding allocations */
+ varnish_submit_gauge (conf->instance, "sms", "requests", "outstanding", stats->sms_nobj);
+ /* SMS outstanding bytes */
+ varnish_submit_gauge (conf->instance, "sms", "bytes", "outstanding", stats->sms_nbytes);
+ /* SMS bytes allocated */
+ varnish_submit_derive (conf->instance, "sms", "total_bytes", "allocated", stats->sms_balloc);
+ /* SMS bytes freed */
+ varnish_submit_derive (conf->instance, "sms", "total_bytes", "free", stats->sms_bfree);
+ }
+
+ if (conf->collect_struct)
+ {
+#if !HAVE_VARNISH_V4
+ /* N struct sess_mem */
+ varnish_submit_gauge (conf->instance, "struct", "current_sessions", "sess_mem", stats->n_sess_mem);
+ /* N struct sess */
+ varnish_submit_gauge (conf->instance, "struct", "current_sessions", "sess", stats->n_sess);
+#endif
+ /* N struct object */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "object", stats->n_object);
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ /* N unresurrected objects */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "vampireobject", stats->n_vampireobject);
+ /* N struct objectcore */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "objectcore", stats->n_objectcore);
+ /* N struct waitinglist */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "waitinglist", stats->n_waitinglist);
+#endif
+ /* N struct objecthead */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "objecthead", stats->n_objecthead);
+#ifdef HAVE_VARNISH_V2
+ /* N struct smf */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "smf", stats->n_smf);
+ /* N small free smf */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "smf_frag", stats->n_smf_frag);
+ /* N large free smf */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "smf_large", stats->n_smf_large);
+ /* N struct vbe_conn */
+ varnish_submit_gauge (conf->instance, "struct", "objects", "vbe_conn", stats->n_vbe_conn);
+#endif
+ }
+
+ if (conf->collect_totals)
+ {
+ /* Total Sessions */
+ varnish_submit_derive (conf->instance, "totals", "total_sessions", "sessions", stats->s_sess);
+ /* Total Requests */
+ varnish_submit_derive (conf->instance, "totals", "total_requests", "requests", stats->s_req);
+ /* Total pipe */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "pipe", stats->s_pipe);
+ /* Total pass */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "pass", stats->s_pass);
+ /* Total fetch */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "fetches", stats->s_fetch);
+#if HAVE_VARNISH_V4
+ /* Total synth */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "synth", stats->s_synth);
+ /* Request header bytes */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "req_header", stats->s_req_hdrbytes);
+ /* Request body byte */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "req_body", stats->s_req_bodybytes);
+ /* Response header bytes */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "resp_header", stats->s_resp_hdrbytes);
+ /* Response body byte */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "resp_body", stats->s_resp_bodybytes);
+ /* Pipe request header bytes */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "pipe_header", stats->s_pipe_hdrbytes);
+ /* Piped bytes from client */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "pipe_in", stats->s_pipe_in);
+ /* Piped bytes to client */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "pipe_out", stats->s_pipe_out);
+ /* Number of purge operations */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "purges", stats->n_purges);
+#else
+ /* Total header bytes */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "header-bytes", stats->s_hdrbytes);
+ /* Total body byte */
+ varnish_submit_derive (conf->instance, "totals", "total_bytes", "body-bytes", stats->s_bodybytes);
+#endif
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ /* Gzip operations */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "gzip", stats->n_gzip);
+ /* Gunzip operations */
+ varnish_submit_derive (conf->instance, "totals", "total_operations", "gunzip", stats->n_gunzip);
+#endif
+ }
+
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ if (conf->collect_uptime)
+ {
+ /* Client uptime */
+ varnish_submit_gauge (conf->instance, "uptime", "uptime", "client_uptime", stats->uptime);
+ }
+#endif
+
+ if (conf->collect_vcl)
+ {
+ /* N vcl total */
+ varnish_submit_gauge (conf->instance, "vcl", "vcl", "total_vcl", stats->n_vcl);
+ /* N vcl available */
+ varnish_submit_gauge (conf->instance, "vcl", "vcl", "avail_vcl", stats->n_vcl_avail);
+ /* N vcl discarded */
+ varnish_submit_gauge (conf->instance, "vcl", "vcl", "discarded_vcl", stats->n_vcl_discard);
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ /* Loaded VMODs */
+ varnish_submit_gauge (conf->instance, "vcl", "objects", "vmod", stats->vmods);
+#endif
+ }
+
+ if (conf->collect_workers)
+ {
+#ifdef HAVE_VARNISH_V4
+ /* total number of threads */
+ varnish_submit_gauge (conf->instance, "workers", "threads", "worker", stats->threads);
+ /* threads created */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "created", stats->threads_created);
+ /* thread creation failed */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "failed", stats->threads_failed);
+ /* threads hit max */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "limited", stats->threads_limited);
+ /* threads destroyed */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "dropped", stats->threads_destroyed);
+ /* length of session queue */
+ varnish_submit_derive (conf->instance, "workers", "queue_length", "threads", stats->thread_queue_len);
+#else
+ /* worker threads */
+ varnish_submit_gauge (conf->instance, "workers", "threads", "worker", stats->n_wrk);
+ /* worker threads created */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "created", stats->n_wrk_create);
+ /* worker threads not created */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "failed", stats->n_wrk_failed);
+ /* worker threads limited */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "limited", stats->n_wrk_max);
+ /* dropped work requests */
+ varnish_submit_derive (conf->instance, "workers", "total_threads", "dropped", stats->n_wrk_drop);
+#ifdef HAVE_VARNISH_V2
+ /* queued work requests */
+ varnish_submit_derive (conf->instance, "workers", "total_requests", "queued", stats->n_wrk_queue);
+ /* overflowed work requests */
+ varnish_submit_derive (conf->instance, "workers", "total_requests", "overflowed", stats->n_wrk_overflow);
+#else /* HAVE_VARNISH_V3 */
+ /* queued work requests */
+ varnish_submit_derive (conf->instance, "workers", "total_requests", "queued", stats->n_wrk_queued);
+ /* work request queue length */
+ varnish_submit_derive (conf->instance, "workers", "total_requests", "queue_length", stats->n_wrk_lqueue);
+#endif
+#endif
+ }
+
+#if HAVE_VARNISH_V4
+ if (conf->collect_vsm)
+ {
+ /* Free VSM space */
+ varnish_submit_gauge (conf->instance, "vsm", "bytes", "free", stats->vsm_free);
+ /* Used VSM space */
+ varnish_submit_gauge (conf->instance, "vsm", "bytes", "used", stats->vsm_used);
+ /* Cooling VSM space */
+ varnish_submit_gauge (conf->instance, "vsm", "bytes", "cooling", stats->vsm_cooling);
+ /* Overflow VSM space */
+ varnish_submit_gauge (conf->instance, "vsm", "bytes", "overflow", stats->vsm_overflow);
+ /* Total overflowed VSM space */
+ varnish_submit_derive (conf->instance, "vsm", "total_bytes", "overflowed", stats->vsm_overflowed);
+ }
+#endif
+
+} /* }}} void varnish_monitor */
+
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+static int varnish_read (user_data_t *ud) /* {{{ */
+{
+ struct VSM_data *vd;
+ const c_varnish_stats_t *stats;
+
+ user_config_t *conf;
+
+ if ((ud == NULL) || (ud->data == NULL))
+ return (EINVAL);
+
+ conf = ud->data;
+
+ vd = VSM_New();
+#if HAVE_VARNISH_V3
+ VSC_Setup(vd);
+#endif
+
+ if (conf->instance != NULL)
+ {
+ int status;
+
+ status = VSM_n_Arg (vd, conf->instance);
+ if (status < 0)
+ {
+ ERROR ("varnish plugin: VSM_n_Arg (\"%s\") failed "
+ "with status %i.",
+ conf->instance, status);
+ return (-1);
+ }
+ }
+
+#if HAVE_VARNISH_V3
+ if (VSC_Open (vd, /* diag = */ 1))
+#else /* if HAVE_VARNISH_V4 */
+ if (VSM_Open (vd))
+#endif
+ {
+ ERROR ("varnish plugin: Unable to load statistics.");
+
+ return (-1);
+ }
+
+#if HAVE_VARNISH_V3
+ stats = VSC_Main(vd);
+#else /* if HAVE_VARNISH_V4 */
+ stats = VSC_Main(vd, NULL);
+#endif
+
+ varnish_monitor (conf, stats);
+ VSM_Close (vd);
+
+ return (0);
+} /* }}} */
+#else /* if HAVE_VARNISH_V2 */
+static int varnish_read (user_data_t *ud) /* {{{ */
+{
+ const c_varnish_stats_t *stats;
+
+ user_config_t *conf;
+
+ if ((ud == NULL) || (ud->data == NULL))
+ return (EINVAL);
+
+ conf = ud->data;
+
+ stats = VSL_OpenStats (conf->instance);
+ if (stats == NULL)
+ {
+ ERROR ("Varnish plugin : unable to load statistics");
+
+ return (-1);
+ }
+
+ varnish_monitor (conf, stats);
+
+ return (0);
+} /* }}} */
+#endif
+
+static void varnish_config_free (void *ptr) /* {{{ */
+{
+ user_config_t *conf = ptr;
+
+ if (conf == NULL)
+ return;
+
+ sfree (conf->instance);
+ sfree (conf);
+} /* }}} */
+
+static int varnish_config_apply_default (user_config_t *conf) /* {{{ */
+{
+ if (conf == NULL)
+ return (EINVAL);
+
+ conf->collect_backend = 1;
+ conf->collect_cache = 1;
+ conf->collect_connections = 1;
+#ifdef HAVE_VARNISH_V3
+ conf->collect_dirdns = 0;
+#endif
+ conf->collect_esi = 0;
+ conf->collect_fetch = 0;
+ conf->collect_hcb = 0;
+ conf->collect_objects = 0;
+#if HAVE_VARNISH_V2
+ conf->collect_purge = 0;
+#else
+ conf->collect_ban = 0;
+#endif
+ conf->collect_session = 0;
+ conf->collect_shm = 1;
+#if HAVE_VARNISH_V2
+ conf->collect_sm = 0;
+ conf->collect_sma = 0;
+#endif
+ conf->collect_sms = 0;
+ conf->collect_struct = 0;
+ conf->collect_totals = 0;
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ conf->collect_uptime = 0;
+#endif
+ conf->collect_vcl = 0;
+ conf->collect_workers = 0;
+#if HAVE_VARNISH_V4
+ conf->collect_vsm = 0;
+#endif
+
+ return (0);
+} /* }}} int varnish_config_apply_default */
+
+static int varnish_init (void) /* {{{ */
+{
+ user_config_t *conf;
+ user_data_t ud;
+
+ if (have_instance)
+ return (0);
+
+ conf = malloc (sizeof (*conf));
+ if (conf == NULL)
+ return (ENOMEM);
+ memset (conf, 0, sizeof (*conf));
+
+ /* Default settings: */
+ conf->instance = NULL;
+
+ varnish_config_apply_default (conf);
+
+ ud.data = conf;
+ ud.free_func = varnish_config_free;
+
+ plugin_register_complex_read (/* group = */ "varnish",
+ /* name = */ "varnish/localhost",
+ /* callback = */ varnish_read,
+ /* interval = */ NULL,
+ /* user data = */ &ud);
+
+ return (0);
+} /* }}} int varnish_init */
+
+static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
+{
+ user_config_t *conf;
+ user_data_t ud;
+ char callback_name[DATA_MAX_NAME_LEN];
+ int i;
+
+ conf = malloc (sizeof (*conf));
+ if (conf == NULL)
+ return (ENOMEM);
+ memset (conf, 0, sizeof (*conf));
+ conf->instance = NULL;
+
+ varnish_config_apply_default (conf);
+
+ if (ci->values_num == 1)
+ {
+ int status;
+
+ status = cf_util_get_string (ci, &conf->instance);
+ if (status != 0)
+ {
+ sfree (conf);
+ return (status);
+ }
+ assert (conf->instance != NULL);
+
+ if (strcmp ("localhost", conf->instance) == 0)
+ {
+ sfree (conf->instance);
+ conf->instance = NULL;
+ }
+ }
+ else if (ci->values_num > 1)
+ {
+ WARNING ("Varnish plugin: \"Instance\" blocks accept only "
+ "one argument.");
+ return (EINVAL);
+ }
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("CollectCache", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_cache);
+ else if (strcasecmp ("CollectConnections", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_connections);
+ else if (strcasecmp ("CollectESI", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_esi);
+#ifdef HAVE_VARNISH_V3
+ else if (strcasecmp ("CollectDirectorDNS", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_dirdns);
+#endif
+ else if (strcasecmp ("CollectBackend", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_backend);
+ else if (strcasecmp ("CollectFetch", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_fetch);
+ else if (strcasecmp ("CollectHCB", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_hcb);
+ else if (strcasecmp ("CollectObjects", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_objects);
+#if HAVE_VARNISH_V2
+ else if (strcasecmp ("CollectPurge", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_purge);
+#else
+ else if (strcasecmp ("CollectBan", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_ban);
+#endif
+ else if (strcasecmp ("CollectSession", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_session);
+ else if (strcasecmp ("CollectSHM", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_shm);
+ else if (strcasecmp ("CollectSMS", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_sms);
+#if HAVE_VARNISH_V2
+ else if (strcasecmp ("CollectSMA", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_sma);
+ else if (strcasecmp ("CollectSM", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_sm);
+#endif
+ else if (strcasecmp ("CollectStruct", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_struct);
+ else if (strcasecmp ("CollectTotals", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_totals);
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ else if (strcasecmp ("CollectUptime", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_uptime);
+#endif
+ else if (strcasecmp ("CollectVCL", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_vcl);
+ else if (strcasecmp ("CollectWorkers", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_workers);
+#if HAVE_VARNISH_V4
+ else if (strcasecmp ("CollectVSM", child->key) == 0)
+ cf_util_get_boolean (child, &conf->collect_vsm);
+#endif
+ else
+ {
+ WARNING ("Varnish plugin: Ignoring unknown "
+ "configuration option: \"%s\". Did "
+ "you forget to add an <Instance /> "
+ "block around the configuration?",
+ child->key);
+ }
+ }
+
+ if (!conf->collect_cache
+ && !conf->collect_connections
+ && !conf->collect_esi
+ && !conf->collect_backend
+#ifdef HAVE_VARNISH_V3
+ && !conf->collect_dirdns
+#endif
+ && !conf->collect_fetch
+ && !conf->collect_hcb
+ && !conf->collect_objects
+#if HAVE_VARNISH_V2
+ && !conf->collect_purge
+#else
+ && !conf->collect_ban
+#endif
+ && !conf->collect_session
+ && !conf->collect_shm
+ && !conf->collect_sms
+#if HAVE_VARNISH_V2
+ && !conf->collect_sma
+ && !conf->collect_sm
+#endif
+ && !conf->collect_struct
+ && !conf->collect_totals
+#if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
+ && !conf->collect_uptime
+#endif
+ && !conf->collect_vcl
+ && !conf->collect_workers
+#if HAVE_VARNISH_V4
+ && !conf->collect_vsm
+#endif
+ )
+ {
+ WARNING ("Varnish plugin: No metric has been configured for "
+ "instance \"%s\". Disabling this instance.",
+ (conf->instance == NULL) ? "localhost" : conf->instance);
+ return (EINVAL);
+ }
+
+ ssnprintf (callback_name, sizeof (callback_name), "varnish/%s",
+ (conf->instance == NULL) ? "localhost" : conf->instance);
+
+ ud.data = conf;
+ ud.free_func = varnish_config_free;
+
+ plugin_register_complex_read (/* group = */ "varnish",
+ /* name = */ callback_name,
+ /* callback = */ varnish_read,
+ /* interval = */ NULL,
+ /* user data = */ &ud);
+
+ have_instance = 1;
+
+ return (0);
+} /* }}} int varnish_config_instance */
+
+static int varnish_config (oconfig_item_t *ci) /* {{{ */
+{
+ int i;
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Instance", child->key) == 0)
+ varnish_config_instance (child);
+ else
+ {
+ WARNING ("Varnish plugin: Ignoring unknown "
+ "configuration option: \"%s\"",
+ child->key);
+ }
+ }
+
+ return (0);
+} /* }}} int varnish_config */
+
+void module_register (void) /* {{{ */
+{
+ plugin_register_complex_config ("varnish", varnish_config);
+ plugin_register_init ("varnish", varnish_init);
+} /* }}} */
+
+/* vim: set sw=8 noet fdm=marker : */