X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fvarnish.c;h=859df21766a18cdc0e2497e24b4bd9929a20eed0;hb=7947c0d3d8e4cae18dc55108465eb6fa3b88b5f0;hp=55afe295399add821f3b5c4f7b0e683b05a35443;hpb=690cb1ec971427bac20fc7b399ee4ab2994ea4d2;p=collectd.git diff --git a/src/varnish.c b/src/varnish.c index 55afe295..859df217 100644 --- a/src/varnish.c +++ b/src/varnish.c @@ -1,6 +1,8 @@ /** * collectd - src/varnish.c - * Copyright (C) 2010 Jerome Renard + * Copyright (C) 2010 Jérôme Renard + * Copyright (C) 2010 Marc Fournier + * Copyright (C) 2010 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 @@ -16,12 +18,14 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: - * Jerome Renard + * Jérôme Renard + * Marc Fournier + * Florian octo Forster **/ /** * Current list of what is monitored and what is not monitored (yet) - * + * {{{ * Field name Description Monitored * ---------- ----------- --------- * uptime Child uptime N @@ -58,13 +62,13 @@ * n_smf_frag N small free smf N * n_smf_large N large free smf N * n_vbe_conn N struct vbe_conn N - * n_wrk N worker threads N - * n_wrk_create N worker threads created N - * n_wrk_failed N worker threads not created N - * n_wrk_max N worker threads limited N - * n_wrk_queue N queued work requests N - * n_wrk_overflow N overflowed work requests N - * n_wrk_drop N dropped work requests N + * n_wrk N worker threads Y + * n_wrk_create N worker threads created Y + * n_wrk_failed N worker threads not created Y + * n_wrk_max N worker threads limited Y + * n_wrk_queue N queued work requests Y + * n_wrk_overflow N overflowed work requests Y + * n_wrk_drop N dropped work requests Y * n_backend N backends N * n_expired N expired objects N * n_lru_nuked N LRU nuked objects N @@ -75,13 +79,13 @@ * n_objsendfile Objects sent with sendfile N * n_objwrite Objects sent with write N * n_objoverflow Objects overflowing workspace N - * s_sess Total Sessions N - * s_req Total Requests N - * s_pipe Total pipe N - * s_pass Total pass N - * s_fetch Total fetch N - * s_hdrbytes Total header bytes N - * s_bodybytes Total body bytes N + * s_sess Total Sessions Y + * s_req Total Requests Y + * s_pipe Total pipe Y + * s_pass Total pass Y + * s_fetch Total fetch Y + * s_hdrbytes Total header bytes Y + * s_bodybytes Total body bytes Y * sess_closed Session Closed N * sess_pipeline Session Pipeline N * sess_readahead Session Read Ahead N @@ -92,20 +96,20 @@ * shm_flushes SHM flushes due to overflow Y * shm_cont SHM MTX contention Y * shm_cycles SHM cycles through buffer Y - * sm_nreq allocator requests N - * sm_nobj outstanding allocations N - * sm_balloc bytes allocated N - * sm_bfree bytes free N - * sma_nreq SMA allocator requests N - * sma_nobj SMA outstanding allocations N - * sma_nbytes SMA outstanding bytes N - * sma_balloc SMA bytes allocated N - * sma_bfree SMA bytes free N - * sms_nreq SMS allocator requests N - * sms_nobj SMS outstanding allocations N - * sms_nbytes SMS outstanding bytes N - * sms_balloc SMS bytes allocated N - * sms_bfree SMS bytes freed N + * sm_nreq allocator requests Y + * sm_nobj outstanding allocations Y + * sm_balloc bytes allocated Y + * sm_bfree bytes free Y + * sma_nreq SMA allocator requests Y + * sma_nobj SMA outstanding allocations Y + * sma_nbytes SMA outstanding bytes Y + * sma_balloc SMA bytes allocated Y + * sma_bfree SMA bytes free Y + * sms_nreq SMS allocator requests Y + * sms_nobj SMS outstanding allocations Y + * sms_nbytes SMS outstanding bytes Y + * sms_balloc SMS bytes allocated Y + * sms_bfree SMS bytes freed Y * backend_req Backend requests made N * n_vcl N vcl total N * n_vcl_avail N vcl available N @@ -121,160 +125,479 @@ * hcb_insert HCB Inserts Y * esi_parse Objects ESI parsed (unlock) Y * esi_errors ESI parse errors (unlock) Y + * }}} */ #include "collectd.h" #include "common.h" #include "plugin.h" +#include "configfile.h" #include -#define USER_CONFIG_INIT {0, 0, 0, 0, 0, 0, 0} -#define SET_MONITOR_FLAG(name, flag, value) if((strcasecmp(name, key) == 0) && IS_TRUE(value)) user_config.flag = 1 - /* {{{ user_config_s */ struct user_config_s { - int monitor_cache; - int monitor_connections; - int monitor_esi; - int monitor_backend; - int monitor_fetch; - int monitor_hcb; - int monitor_shm; -}; + char *instance; + _Bool collect_cache; + _Bool collect_connections; + _Bool collect_esi; + _Bool collect_backend; + _Bool collect_fetch; + _Bool collect_hcb; + _Bool collect_shm; + _Bool collect_sma; + _Bool collect_sms; + _Bool collect_sm; + _Bool collect_totals; + _Bool collect_workers; +}; typedef struct user_config_s user_config_t; /* }}} */ -/* {{{ Configuration directives */ -static user_config_t user_config = USER_CONFIG_INIT; +static _Bool have_instance = 0; -static const char *config_keys[] = +static int varnish_submit (const char *plugin_instance, /* {{{ */ + const char *category, const char *type, const char *type_instance, value_t value) { - "MonitorCache", - "MonitorConnections", - "MonitorESI", - "MonitorBackend", - "MonitorFetch", - "MonitorHCB", - "MonitorSHM" -}; + value_list_t vl = VALUE_LIST_INIT; -static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); /* }}} */ + vl.values = &value; + vl.values_len = 1; -static int varnish_config(const char *key, const char *value) /* {{{ */ -{ - SET_MONITOR_FLAG("MonitorCache" , monitor_cache , value); - SET_MONITOR_FLAG("MonitorConnections", monitor_connections, value); - SET_MONITOR_FLAG("MonitorESI" , monitor_esi , value); - SET_MONITOR_FLAG("MonitorBackend" , monitor_backend , value); - SET_MONITOR_FLAG("MonitorFetch" , monitor_fetch , value); - SET_MONITOR_FLAG("MonitorHCB" , monitor_hcb , value); - SET_MONITOR_FLAG("MonitorSHM" , monitor_shm , value); + sstrncpy (vl.host, hostname_g, sizeof (vl.host)); - return (0); -} /* }}} */ + 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); -static void varnish_submit(const char *type, const char *type_instance, gauge_t value) /* {{{ */ + 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 values[1]; - value_list_t vl = VALUE_LIST_INIT; + value_t value; - values[0].gauge = value; - vl.values_len = 1; - vl.values = values; + value.gauge = (gauge_t) gauge_value; - sstrncpy(vl.host , hostname_g , sizeof(vl.host)); - sstrncpy(vl.plugin , "varnish" , sizeof(vl.plugin)); - sstrncpy(vl.type , type , sizeof(vl.type)); - sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance)); + return (varnish_submit (plugin_instance, category, type, type_instance, value)); +} /* }}} int varnish_submit_gauge */ - plugin_dispatch_values(&vl); -} /* }}} */ +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(struct varnish_stats *VSL_stats) /* {{{ */ +static void varnish_monitor (const user_config_t *conf, struct varnish_stats *VSL_stats) /* {{{ */ { - if(user_config.monitor_cache == 1) + if (conf->collect_cache) { - varnish_submit("varnish_cache_ratio", "cache_hit" , VSL_stats->cache_hit); /* Cache hits */ - varnish_submit("varnish_cache_ratio", "cache_miss" , VSL_stats->cache_miss); /* Cache misses */ - varnish_submit("varnish_cache_ratio", "cache_hitpass", VSL_stats->cache_hitpass); /* Cache hits for pass */ + /* Cache hits */ + varnish_submit_derive (conf->instance, "cache", "cache_result", "hit", VSL_stats->cache_hit); + /* Cache misses */ + varnish_submit_derive (conf->instance, "cache", "cache_result", "miss", VSL_stats->cache_miss); + /* Cache hits for pass */ + varnish_submit_derive (conf->instance, "cache", "cache_result", "hitpass", VSL_stats->cache_hitpass); } - if(user_config.monitor_connections == 1) + if (conf->collect_connections) { - varnish_submit("varnish_connections", "client_connections-accepted", VSL_stats->client_conn); /* Client connections accepted */ - varnish_submit("varnish_connections", "client_connections-dropped" , VSL_stats->client_drop); /* Connection dropped, no sess */ - varnish_submit("varnish_connections", "client_connections-received", VSL_stats->client_req); /* Client requests received */ + /* Client connections accepted */ + varnish_submit_derive (conf->instance, "connections", "connections", "accepted", VSL_stats->client_conn); + /* Connection dropped, no sess */ + varnish_submit_derive (conf->instance, "connections", "connections", "dropped" , VSL_stats->client_drop); + /* Client requests received */ + varnish_submit_derive (conf->instance, "connections", "connections", "received", VSL_stats->client_req); } - if(user_config.monitor_esi == 1) + if (conf->collect_esi) { - varnish_submit("varnish_esi", "esi_parsed", VSL_stats->esi_parse); /* Objects ESI parsed (unlock) */ - varnish_submit("varnish_esi", "esi_errors", VSL_stats->esi_errors); /* ESI parse errors (unlock) */ + /* Objects ESI parsed (unlock) */ + varnish_submit_derive (conf->instance, "esi", "total_operations", "parsed", VSL_stats->esi_parse); + /* ESI parse errors (unlock) */ + varnish_submit_derive (conf->instance, "esi", "total_operations", "error", VSL_stats->esi_errors); } - if(user_config.monitor_backend == 1) + if (conf->collect_backend) { - varnish_submit("varnish_backend_connections", "backend_connections-success" , VSL_stats->backend_conn); /* Backend conn. success */ - varnish_submit("varnish_backend_connections", "backend_connections-not-attempted", VSL_stats->backend_unhealthy); /* Backend conn. not attempted */ - varnish_submit("varnish_backend_connections", "backend_connections-too-many" , VSL_stats->backend_busy); /* Backend conn. too many */ - varnish_submit("varnish_backend_connections", "backend_connections-failures" , VSL_stats->backend_fail); /* Backend conn. failures */ - varnish_submit("varnish_backend_connections", "backend_connections-reuses" , VSL_stats->backend_reuse); /* Backend conn. reuses */ - varnish_submit("varnish_backend_connections", "backend_connections-was-closed" , VSL_stats->backend_toolate); /* Backend conn. was closed */ - varnish_submit("varnish_backend_connections", "backend_connections-recycles" , VSL_stats->backend_recycle); /* Backend conn. recycles */ - varnish_submit("varnish_backend_connections", "backend_connections-unused" , VSL_stats->backend_unused); /* Backend conn. unused */ + /* Backend conn. success */ + varnish_submit_derive (conf->instance, "backend", "connections", "success" , VSL_stats->backend_conn); + /* Backend conn. not attempted */ + varnish_submit_derive (conf->instance, "backend", "connections", "not-attempted", VSL_stats->backend_unhealthy); + /* Backend conn. too many */ + varnish_submit_derive (conf->instance, "backend", "connections", "too-many" , VSL_stats->backend_busy); + /* Backend conn. failures */ + varnish_submit_derive (conf->instance, "backend", "connections", "failures" , VSL_stats->backend_fail); + /* Backend conn. reuses */ + varnish_submit_derive (conf->instance, "backend", "connections", "reuses" , VSL_stats->backend_reuse); + /* Backend conn. was closed */ + varnish_submit_derive (conf->instance, "backend", "connections", "was-closed" , VSL_stats->backend_toolate); + /* Backend conn. recycles */ + varnish_submit_derive (conf->instance, "backend", "connections", "recycled" , VSL_stats->backend_recycle); + /* Backend conn. unused */ + varnish_submit_derive (conf->instance, "backend", "connections", "unused" , VSL_stats->backend_unused); } - if(user_config.monitor_fetch == 1) + if (conf->collect_fetch) { - varnish_submit("varnish_fetch", "fetch_head" , VSL_stats->fetch_head); /* Fetch head */ - varnish_submit("varnish_fetch", "fetch_length" , VSL_stats->fetch_length); /* Fetch with length */ - varnish_submit("varnish_fetch", "fetch_chunked" , VSL_stats->fetch_chunked); /* Fetch chunked */ - varnish_submit("varnish_fetch", "fetch_eof" , VSL_stats->fetch_eof); /* Fetch EOF */ - varnish_submit("varnish_fetch", "fetch_bad-headers", VSL_stats->fetch_bad); /* Fetch bad headers */ - varnish_submit("varnish_fetch", "fetch_close" , VSL_stats->fetch_close); /* Fetch wanted close */ - varnish_submit("varnish_fetch", "fetch_oldhttp" , VSL_stats->fetch_oldhttp); /* Fetch pre HTTP/1.1 closed */ - varnish_submit("varnish_fetch", "fetch_zero" , VSL_stats->fetch_zero); /* Fetch zero len */ - varnish_submit("varnish_fetch", "fetch_failed" , VSL_stats->fetch_failed); /* Fetch failed */ + /* Fetch head */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "head" , VSL_stats->fetch_head); + /* Fetch with length */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "length" , VSL_stats->fetch_length); + /* Fetch chunked */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "chunked" , VSL_stats->fetch_chunked); + /* Fetch EOF */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "eof" , VSL_stats->fetch_eof); + /* Fetch bad headers */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "bad_headers", VSL_stats->fetch_bad); + /* Fetch wanted close */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "close" , VSL_stats->fetch_close); + /* Fetch pre HTTP/1.1 closed */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "oldhttp" , VSL_stats->fetch_oldhttp); + /* Fetch zero len */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "zero" , VSL_stats->fetch_zero); + /* Fetch failed */ + varnish_submit_derive (conf->instance, "fetch", "http_requests", "failed" , VSL_stats->fetch_failed); } - if(user_config.monitor_hcb == 1) + if (conf->collect_hcb) { - varnish_submit("varnish_hcb", "hcb_nolock", VSL_stats->hcb_nolock); /* HCB Lookups without lock */ - varnish_submit("varnish_hcb", "hcb_lock" , VSL_stats->hcb_lock); /* HCB Lookups with lock */ - varnish_submit("varnish_hcb", "hcb_insert", VSL_stats->hcb_insert); /* HCB Inserts */ + /* HCB Lookups without lock */ + varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_nolock", VSL_stats->hcb_nolock); + /* HCB Lookups with lock */ + varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_lock", VSL_stats->hcb_lock); + /* HCB Inserts */ + varnish_submit_derive (conf->instance, "hcb", "cache_operation", "insert", VSL_stats->hcb_insert); } - if(user_config.monitor_shm == 1) + if (conf->collect_shm) { - varnish_submit("varnish_shm", "shm_records" , VSL_stats->shm_records); /* SHM records */ - varnish_submit("varnish_shm", "shm_writes" , VSL_stats->shm_writes); /* SHM writes */ - varnish_submit("varnish_shm", "shm_flushes" , VSL_stats->shm_flushes); /* SHM flushes due to overflow */ - varnish_submit("varnish_shm", "shm_contention", VSL_stats->shm_cont); /* SHM MTX contention */ - varnish_submit("varnish_shm", "shm_cycles" , VSL_stats->shm_cycles); /* SHM cycles through buffer */ + /* SHM records */ + varnish_submit_derive (conf->instance, "shm", "total_operations", "records" , VSL_stats->shm_records); + /* SHM writes */ + varnish_submit_derive (conf->instance, "shm", "total_operations", "writes" , VSL_stats->shm_writes); + /* SHM flushes due to overflow */ + varnish_submit_derive (conf->instance, "shm", "total_operations", "flushes" , VSL_stats->shm_flushes); + /* SHM MTX contention */ + varnish_submit_derive (conf->instance, "shm", "total_operations", "contention", VSL_stats->shm_cont); + /* SHM cycles through buffer */ + varnish_submit_derive (conf->instance, "shm", "total_operations", "cycles" , VSL_stats->shm_cycles); } -} /* }}} */ -static int varnish_read(void) /* {{{ */ + if (conf->collect_sm) + { + /* allocator requests */ + varnish_submit_derive (conf->instance, "sm", "total_requests", "nreq", VSL_stats->sm_nreq); + /* outstanding allocations */ + varnish_submit_gauge (conf->instance, "sm", "requests", "outstanding", VSL_stats->sm_nobj); + /* bytes allocated */ + varnish_submit_gauge (conf->instance, "sm", "total_bytes", "allocated", VSL_stats->sm_balloc); + /* bytes free */ + varnish_submit_gauge (conf->instance, "sm", "total_bytes", "free", VSL_stats->sm_bfree); + } + + if (conf->collect_sma) + { + /* SMA allocator requests */ + varnish_submit_derive (conf->instance, "sma", "total_requests", "nreq", VSL_stats->sma_nreq); + /* SMA outstanding allocations */ + varnish_submit_gauge (conf->instance, "sma", "requests", "outstanding", VSL_stats->sma_nobj); + /* SMA outstanding bytes */ + varnish_submit_gauge (conf->instance, "sma", "bytes", "outstanding", VSL_stats->sma_nbytes); + /* SMA bytes allocated */ + varnish_submit_gauge (conf->instance, "sma", "total_bytes", "allocated", VSL_stats->sma_balloc); + /* SMA bytes free */ + varnish_submit_gauge (conf->instance, "sma", "total_bytes", "free" , VSL_stats->sma_bfree); + } + + if (conf->collect_sms) + { + /* SMS allocator requests */ + varnish_submit_derive (conf->instance, "sms", "total_requests", "allocator", VSL_stats->sms_nreq); + /* SMS outstanding allocations */ + varnish_submit_gauge (conf->instance, "sms", "requests", "outstanding", VSL_stats->sms_nobj); + /* SMS outstanding bytes */ + varnish_submit_gauge (conf->instance, "sms", "bytes", "outstanding", VSL_stats->sms_nbytes); + /* SMS bytes allocated */ + varnish_submit_gauge (conf->instance, "sms", "total_bytes", "allocated", VSL_stats->sms_balloc); + /* SMS bytes freed */ + varnish_submit_gauge (conf->instance, "sms", "total_bytes", "free", VSL_stats->sms_bfree); + } + + if (conf->collect_totals) + { + /* Total Sessions */ + varnish_submit_derive (conf->instance, "totals", "total_sessions", "sessions", VSL_stats->s_sess); + /* Total Requests */ + varnish_submit_derive (conf->instance, "totals", "total_requests", "requests", VSL_stats->s_req); + /* Total pipe */ + varnish_submit_derive (conf->instance, "totals", "total_operations", "pipe", VSL_stats->s_pipe); + /* Total pass */ + varnish_submit_derive (conf->instance, "totals", "total_operations", "pass", VSL_stats->s_pass); + /* Total fetch */ + varnish_submit_derive (conf->instance, "totals", "total_operations", "fetches", VSL_stats->s_fetch); + /* Total header bytes */ + varnish_submit_derive (conf->instance, "totals", "total_bytes", "header-bytes", VSL_stats->s_hdrbytes); + /* Total body byte */ + varnish_submit_derive (conf->instance, "totals", "total_bytes", "body-bytes", VSL_stats->s_bodybytes); + } + + if (conf->collect_workers) + { + /* worker threads */ + varnish_submit_gauge (conf->instance, "workers", "threads", "worker", VSL_stats->n_wrk); + /* worker threads created */ + varnish_submit_gauge (conf->instance, "workers", "total_threads", "created", VSL_stats->n_wrk_create); + /* worker threads not created */ + varnish_submit_gauge (conf->instance, "workers", "total_threads", "failed", VSL_stats->n_wrk_failed); + /* worker threads limited */ + varnish_submit_gauge (conf->instance, "workers", "total_threads", "limited", VSL_stats->n_wrk_max); + /* queued work requests */ + varnish_submit_gauge (conf->instance, "workers", "total_requests", "queued", VSL_stats->n_wrk_queue); + /* overflowed work requests */ + varnish_submit_gauge (conf->instance, "workers", "total_requests", "overflowed", VSL_stats->n_wrk_overflow); + /* dropped work requests */ + varnish_submit_gauge (conf->instance, "workers", "total_requests", "dropped", VSL_stats->n_wrk_drop); + } +} /* }}} void varnish_monitor */ + +static int varnish_read (user_data_t *ud) /* {{{ */ { struct varnish_stats *VSL_stats; - const char *varnish_instance_name = NULL; + user_config_t *conf; - if ((VSL_stats = VSL_OpenStats(varnish_instance_name)) == NULL) + if ((ud == NULL) || (ud->data == NULL)) + return (EINVAL); + + conf = ud->data; + + VSL_stats = VSL_OpenStats (conf->instance); + if (VSL_stats == NULL) { - ERROR("Varnish plugin : unable to load statistics"); + ERROR ("Varnish plugin : unable to load statistics"); return (-1); } - varnish_monitor(VSL_stats); + varnish_monitor (conf, VSL_stats); return (0); } /* }}} */ +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; + conf->collect_esi = 0; + conf->collect_fetch = 0; + conf->collect_hcb = 0; + conf->collect_shm = 1; + conf->collect_sm = 0; + conf->collect_sma = 0; + conf->collect_sms = 0; + conf->collect_totals = 0; + + 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); + 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 ("CollectSHM", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_shm); + else if (strcasecmp ("CollectSMA", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_sma); + else if (strcasecmp ("CollectSMS", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_sms); + else if (strcasecmp ("CollectSM", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_sm); + else if (strcasecmp ("CollectTotals", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_totals); + else if (strcasecmp ("CollectWorkers", child->key) == 0) + cf_util_get_boolean (child, &conf->collect_workers); + else + { + WARNING ("Varnish plugin: Ignoring unknown " + "configuration option: \"%s\"", + child->key); + } + } + + if (!conf->collect_cache + && !conf->collect_connections + && !conf->collect_esi + && !conf->collect_backend + && !conf->collect_fetch + && !conf->collect_hcb + && !conf->collect_shm + && !conf->collect_sma + && !conf->collect_sms + && !conf->collect_sm + && !conf->collect_totals + && !conf->collect_workers) + { + 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_config("varnish", varnish_config, config_keys, config_keys_num); - plugin_register_read("varnish", varnish_read); + plugin_register_complex_config ("varnish", varnish_config); + plugin_register_init ("varnish", varnish_init); } /* }}} */ /* vim: set sw=8 noet fdm=marker : */