varnish plugin: Added basic Varnish 3.0 support

diff --git a/src/varnish.c b/src/varnish.c
index 37fd4bb3541f2181bd81dd1b379214bc9a6d4f03..37b21acc7c96abb6acb650d53402553877d9f25f 100644 (file)
--- a/src/varnish.c
+++ b/src/varnish.c
@@ -133,6 +133,14 @@
 #include "configfile.h"
 
 #include <varnish/varnishapi.h>
+#if HAVE_VARNISH_V3
+       #include <varnish/vsc.h>
+    #define STAT_STRUCT VSC_C_main
+#endif
+
+#if HAVE_VARNISH_V2
+       #define STAT_STRUCT VSL_stats
+#endif
 
 /* {{{ user_config_s */
 struct user_config_s {
@@ -145,9 +153,11 @@ struct user_config_s {
        _Bool collect_fetch;
        _Bool collect_hcb;
        _Bool collect_shm;
-       _Bool collect_sma;
        _Bool collect_sms;
+#if HAVE_VARNISH_V2
        _Bool collect_sm;
+       _Bool collect_sma;
+#endif
        _Bool collect_totals;
        _Bool collect_workers;
 };
@@ -204,182 +214,203 @@ static int varnish_submit_derive (const char *plugin_instance, /* {{{ */
        return (varnish_submit (plugin_instance, category, type, type_instance, value));
 } /* }}} int varnish_submit_derive */
 
+#if HAVE_VARNISH_V2
 static void varnish_monitor (const user_config_t *conf, struct varnish_stats *VSL_stats) /* {{{ */
+#endif
+#if HAVE_VARNISH_V3
+static void varnish_monitor (const user_config_t *conf, const struct VSC_C_main *VSC_C_main)
+#endif
 {
        if (conf->collect_cache)
        {
                /* Cache hits */
-               varnish_submit_derive (conf->instance, "cache", "cache_result", "hit",     VSL_stats->cache_hit);
+               varnish_submit_derive (conf->instance, "cache", "cache_result", "hit",     STAT_STRUCT->cache_hit);
                /* Cache misses */
-               varnish_submit_derive (conf->instance, "cache", "cache_result", "miss",    VSL_stats->cache_miss);
+               varnish_submit_derive (conf->instance, "cache", "cache_result", "miss",    STAT_STRUCT->cache_miss);
                /* Cache hits for pass */
-               varnish_submit_derive (conf->instance, "cache", "cache_result", "hitpass", VSL_stats->cache_hitpass);
+               varnish_submit_derive (conf->instance, "cache", "cache_result", "hitpass", STAT_STRUCT->cache_hitpass);
        }
 
        if (conf->collect_connections)
        {
                /* Client connections accepted */
-               varnish_submit_derive (conf->instance, "connections", "connections", "accepted", VSL_stats->client_conn);
+               varnish_submit_derive (conf->instance, "connections", "connections", "accepted", STAT_STRUCT->client_conn);
                /* Connection dropped, no sess */
-               varnish_submit_derive (conf->instance, "connections", "connections", "dropped" , VSL_stats->client_drop);
+               varnish_submit_derive (conf->instance, "connections", "connections", "dropped" , STAT_STRUCT->client_drop);
                /* Client requests received    */
-               varnish_submit_derive (conf->instance, "connections", "connections", "received", VSL_stats->client_req);
+               varnish_submit_derive (conf->instance, "connections", "connections", "received", STAT_STRUCT->client_req);
        }
 
        if (conf->collect_esi)
        {
+#if HAVE_VARNISH_V2
                /* Objects ESI parsed (unlock) */
-               varnish_submit_derive (conf->instance, "esi", "total_operations", "parsed", VSL_stats->esi_parse);
+               varnish_submit_derive (conf->instance, "esi", "total_operations", "parsed", STAT_STRUCT->esi_parse);
+#endif
                /* ESI parse errors (unlock)   */
-               varnish_submit_derive (conf->instance, "esi", "total_operations", "error",  VSL_stats->esi_errors);
+               varnish_submit_derive (conf->instance, "esi", "total_operations", "error",  STAT_STRUCT->esi_errors);
        }
 
        if (conf->collect_backend)
        {
                /* Backend conn. success       */
-               varnish_submit_derive (conf->instance, "backend", "connections", "success"      , VSL_stats->backend_conn);
+               varnish_submit_derive (conf->instance, "backend", "connections", "success"      , STAT_STRUCT->backend_conn);
                /* Backend conn. not attempted */
-               varnish_submit_derive (conf->instance, "backend", "connections", "not-attempted", VSL_stats->backend_unhealthy);
+               varnish_submit_derive (conf->instance, "backend", "connections", "not-attempted", STAT_STRUCT->backend_unhealthy);
                /* Backend conn. too many      */
-               varnish_submit_derive (conf->instance, "backend", "connections", "too-many"     , VSL_stats->backend_busy);
+               varnish_submit_derive (conf->instance, "backend", "connections", "too-many"     , STAT_STRUCT->backend_busy);
                /* Backend conn. failures      */
-               varnish_submit_derive (conf->instance, "backend", "connections", "failures"     , VSL_stats->backend_fail);
+               varnish_submit_derive (conf->instance, "backend", "connections", "failures"     , STAT_STRUCT->backend_fail);
                /* Backend conn. reuses        */
-               varnish_submit_derive (conf->instance, "backend", "connections", "reuses"       , VSL_stats->backend_reuse);
+               varnish_submit_derive (conf->instance, "backend", "connections", "reuses"       , STAT_STRUCT->backend_reuse);
                /* Backend conn. was closed    */
-               varnish_submit_derive (conf->instance, "backend", "connections", "was-closed"   , VSL_stats->backend_toolate);
+               varnish_submit_derive (conf->instance, "backend", "connections", "was-closed"   , STAT_STRUCT->backend_toolate);
                /* Backend conn. recycles      */
-               varnish_submit_derive (conf->instance, "backend", "connections", "recycled"     , VSL_stats->backend_recycle);
+               varnish_submit_derive (conf->instance, "backend", "connections", "recycled"     , STAT_STRUCT->backend_recycle);
+#if HAVE_VARNISH_V2
                /* Backend conn. unused        */
-               varnish_submit_derive (conf->instance, "backend", "connections", "unused"       , VSL_stats->backend_unused);
+               varnish_submit_derive (conf->instance, "backend", "connections", "unused"       , STAT_STRUCT->backend_unused);
+#endif
        }
 
        if (conf->collect_fetch)
        {
                /* Fetch head                */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "head"       , VSL_stats->fetch_head);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "head"       , STAT_STRUCT->fetch_head);
                /* Fetch with length         */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "length"     , VSL_stats->fetch_length);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "length"     , STAT_STRUCT->fetch_length);
                /* Fetch chunked             */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "chunked"    , VSL_stats->fetch_chunked);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "chunked"    , STAT_STRUCT->fetch_chunked);
                /* Fetch EOF                 */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "eof"        , VSL_stats->fetch_eof);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "eof"        , STAT_STRUCT->fetch_eof);
                /* Fetch bad headers         */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "bad_headers", VSL_stats->fetch_bad);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "bad_headers", STAT_STRUCT->fetch_bad);
                /* Fetch wanted close        */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "close"      , VSL_stats->fetch_close);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "close"      , STAT_STRUCT->fetch_close);
                /* Fetch pre HTTP/1.1 closed */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "oldhttp"    , VSL_stats->fetch_oldhttp);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "oldhttp"    , STAT_STRUCT->fetch_oldhttp);
                /* Fetch zero len            */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "zero"       , VSL_stats->fetch_zero);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "zero"       , STAT_STRUCT->fetch_zero);
                /* Fetch failed              */
-               varnish_submit_derive (conf->instance, "fetch", "http_requests", "failed"     , VSL_stats->fetch_failed);
+               varnish_submit_derive (conf->instance, "fetch", "http_requests", "failed"     , STAT_STRUCT->fetch_failed);
        }
 
        if (conf->collect_hcb)
        {
                /* HCB Lookups without lock */
-               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_nolock", VSL_stats->hcb_nolock);
+               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_nolock", STAT_STRUCT->hcb_nolock);
                /* HCB Lookups with lock    */
-               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_lock",   VSL_stats->hcb_lock);
+               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_lock",   STAT_STRUCT->hcb_lock);
                /* HCB Inserts              */
-               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "insert",        VSL_stats->hcb_insert);
+               varnish_submit_derive (conf->instance, "hcb", "cache_operation", "insert",        STAT_STRUCT->hcb_insert);
        }
 
        if (conf->collect_shm)
        {
                /* SHM records                 */
-               varnish_submit_derive (conf->instance, "shm", "total_operations", "records"   , VSL_stats->shm_records);
+               varnish_submit_derive (conf->instance, "shm", "total_operations", "records"   , STAT_STRUCT->shm_records);
                /* SHM writes                  */
-               varnish_submit_derive (conf->instance, "shm", "total_operations", "writes"    , VSL_stats->shm_writes);
+               varnish_submit_derive (conf->instance, "shm", "total_operations", "writes"    , STAT_STRUCT->shm_writes);
                /* SHM flushes due to overflow */
-               varnish_submit_derive (conf->instance, "shm", "total_operations", "flushes"   , VSL_stats->shm_flushes);
+               varnish_submit_derive (conf->instance, "shm", "total_operations", "flushes"   , STAT_STRUCT->shm_flushes);
                /* SHM MTX contention          */
-               varnish_submit_derive (conf->instance, "shm", "total_operations", "contention", VSL_stats->shm_cont);
+               varnish_submit_derive (conf->instance, "shm", "total_operations", "contention", STAT_STRUCT->shm_cont);
                /* SHM cycles through buffer   */
-               varnish_submit_derive (conf->instance, "shm", "total_operations", "cycles"    , VSL_stats->shm_cycles);
+               varnish_submit_derive (conf->instance, "shm", "total_operations", "cycles"    , STAT_STRUCT->shm_cycles);
        }
 
+#if HAVE_VARNISH_V2
        if (conf->collect_sm)
        {
                /* allocator requests */
-               varnish_submit_derive (conf->instance, "sm", "total_requests", "nreq",  VSL_stats->sm_nreq);
+               varnish_submit_derive (conf->instance, "sm", "total_requests", "nreq",  STAT_STRUCT->sm_nreq);
                /* outstanding allocations */
-               varnish_submit_gauge (conf->instance,  "sm", "requests", "outstanding", VSL_stats->sm_nobj);
+               varnish_submit_gauge (conf->instance,  "sm", "requests", "outstanding", STAT_STRUCT->sm_nobj);
                /* bytes allocated */
-               varnish_submit_derive (conf->instance,  "sm", "total_bytes", "allocated",      VSL_stats->sm_balloc);
+               varnish_submit_derive (conf->instance,  "sm", "total_bytes", "allocated",      STAT_STRUCT->sm_balloc);
                /* bytes free */
-               varnish_submit_derive (conf->instance,  "sm", "total_bytes", "free",           VSL_stats->sm_bfree);
+               varnish_submit_derive (conf->instance,  "sm", "total_bytes", "free",           STAT_STRUCT->sm_bfree);
        }
 
        if (conf->collect_sma)
        {
                /* SMA allocator requests */
-               varnish_submit_derive (conf->instance, "sma", "total_requests", "nreq",  VSL_stats->sma_nreq);
+               varnish_submit_derive (conf->instance, "sma", "total_requests", "nreq",  STAT_STRUCT->sma_nreq);
                /* SMA outstanding allocations */
-               varnish_submit_gauge (conf->instance,  "sma", "requests", "outstanding", VSL_stats->sma_nobj);
+               varnish_submit_gauge (conf->instance,  "sma", "requests", "outstanding", STAT_STRUCT->sma_nobj);
                /* SMA outstanding bytes */
-               varnish_submit_gauge (conf->instance,  "sma", "bytes", "outstanding",    VSL_stats->sma_nbytes);
+               varnish_submit_gauge (conf->instance,  "sma", "bytes", "outstanding",    STAT_STRUCT->sma_nbytes);
                /* SMA bytes allocated */
-               varnish_submit_derive (conf->instance,  "sma", "total_bytes", "allocated",      VSL_stats->sma_balloc);
+               varnish_submit_derive (conf->instance,  "sma", "total_bytes", "allocated",      STAT_STRUCT->sma_balloc);
                /* SMA bytes free */
-               varnish_submit_derive (conf->instance,  "sma", "total_bytes", "free" ,          VSL_stats->sma_bfree);
+               varnish_submit_derive (conf->instance,  "sma", "total_bytes", "free" ,          STAT_STRUCT->sma_bfree);
        }
+#endif
 
        if (conf->collect_sms)
        {
                /* SMS allocator requests */
-               varnish_submit_derive (conf->instance, "sms", "total_requests", "allocator", VSL_stats->sms_nreq);
+               varnish_submit_derive (conf->instance, "sms", "total_requests", "allocator", STAT_STRUCT->sms_nreq);
                /* SMS outstanding allocations */
-               varnish_submit_gauge (conf->instance,  "sms", "requests", "outstanding",     VSL_stats->sms_nobj);
+               varnish_submit_gauge (conf->instance,  "sms", "requests", "outstanding",     STAT_STRUCT->sms_nobj);
                /* SMS outstanding bytes */
-               varnish_submit_gauge (conf->instance,  "sms", "bytes", "outstanding",        VSL_stats->sms_nbytes);
+               varnish_submit_gauge (conf->instance,  "sms", "bytes", "outstanding",        STAT_STRUCT->sms_nbytes);
                /* SMS bytes allocated */
-               varnish_submit_derive (conf->instance,  "sms", "total_bytes", "allocated",          VSL_stats->sms_balloc);
+               varnish_submit_derive (conf->instance,  "sms", "total_bytes", "allocated",          STAT_STRUCT->sms_balloc);
                /* SMS bytes freed */
-               varnish_submit_derive (conf->instance,  "sms", "total_bytes", "free",               VSL_stats->sms_bfree);
+               varnish_submit_derive (conf->instance,  "sms", "total_bytes", "free",               STAT_STRUCT->sms_bfree);
        }
 
        if (conf->collect_totals)
        {
                /* Total Sessions */
-               varnish_submit_derive (conf->instance, "totals", "total_sessions", "sessions",  VSL_stats->s_sess);
+               varnish_submit_derive (conf->instance, "totals", "total_sessions", "sessions",  STAT_STRUCT->s_sess);
                /* Total Requests */
-               varnish_submit_derive (conf->instance, "totals", "total_requests", "requests",  VSL_stats->s_req);
+               varnish_submit_derive (conf->instance, "totals", "total_requests", "requests",  STAT_STRUCT->s_req);
                /* Total pipe */
-               varnish_submit_derive (conf->instance, "totals", "total_operations", "pipe",    VSL_stats->s_pipe);
+               varnish_submit_derive (conf->instance, "totals", "total_operations", "pipe",    STAT_STRUCT->s_pipe);
                /* Total pass */
-               varnish_submit_derive (conf->instance, "totals", "total_operations", "pass",    VSL_stats->s_pass);
+               varnish_submit_derive (conf->instance, "totals", "total_operations", "pass",    STAT_STRUCT->s_pass);
                /* Total fetch */
-               varnish_submit_derive (conf->instance, "totals", "total_operations", "fetches", VSL_stats->s_fetch);
+               varnish_submit_derive (conf->instance, "totals", "total_operations", "fetches", STAT_STRUCT->s_fetch);
                /* Total header bytes */
-               varnish_submit_derive (conf->instance, "totals", "total_bytes", "header-bytes", VSL_stats->s_hdrbytes);
+               varnish_submit_derive (conf->instance, "totals", "total_bytes", "header-bytes", STAT_STRUCT->s_hdrbytes);
                /* Total body byte */
-               varnish_submit_derive (conf->instance, "totals", "total_bytes", "body-bytes",   VSL_stats->s_bodybytes);
+               varnish_submit_derive (conf->instance, "totals", "total_bytes", "body-bytes",   STAT_STRUCT->s_bodybytes);
        }
 
        if (conf->collect_workers)
        {
                /* worker threads */
-               varnish_submit_gauge (conf->instance, "workers", "threads", "worker",            VSL_stats->n_wrk);
+               varnish_submit_gauge (conf->instance, "workers", "threads", "worker",            STAT_STRUCT->n_wrk);
                /* worker threads created */
-               varnish_submit_derive (conf->instance, "workers", "total_threads", "created",     VSL_stats->n_wrk_create);
+               varnish_submit_derive (conf->instance, "workers", "total_threads", "created",     STAT_STRUCT->n_wrk_create);
                /* worker threads not created */
-               varnish_submit_derive (conf->instance, "workers", "total_threads", "failed",      VSL_stats->n_wrk_failed);
+               varnish_submit_derive (conf->instance, "workers", "total_threads", "failed",      STAT_STRUCT->n_wrk_failed);
                /* worker threads limited */
-               varnish_submit_derive (conf->instance, "workers", "total_threads", "limited",     VSL_stats->n_wrk_max);
+               varnish_submit_derive (conf->instance, "workers", "total_threads", "limited",     STAT_STRUCT->n_wrk_max);
+#ifdef HAVE_VARNISH_V2
                /* queued work requests */
-               varnish_submit_derive (conf->instance, "workers", "total_requests", "queued",     VSL_stats->n_wrk_queue);
+               varnish_submit_derive (conf->instance, "workers", "total_requests", "queued",     STAT_STRUCT->n_wrk_queue);
                /* overflowed work requests */
-               varnish_submit_derive (conf->instance, "workers", "total_requests", "overflowed", VSL_stats->n_wrk_overflow);
+               varnish_submit_derive (conf->instance, "workers", "total_requests", "overflowed", STAT_STRUCT->n_wrk_overflow);
+#endif
                /* dropped work requests */
-               varnish_submit_derive (conf->instance, "workers", "total_requests", "dropped",    VSL_stats->n_wrk_drop);
+               varnish_submit_derive (conf->instance, "workers", "total_requests", "dropped",    STAT_STRUCT->n_wrk_drop);
        }
 } /* }}} void varnish_monitor */
 
 static int varnish_read (user_data_t *ud) /* {{{ */
 {
+#ifdef HAVE_VARNISH_V2
        struct varnish_stats *VSL_stats;
+#endif
+
+#ifdef HAVE_VARNISH_V3
+    struct VSM_data *vd;
+       const struct VSC_C_main *VSC_C_main;
+#endif
+
        user_config_t *conf;
 
        if ((ud == NULL) || (ud->data == NULL))
@@ -387,6 +418,7 @@ static int varnish_read (user_data_t *ud) /* {{{ */
 
        conf = ud->data;
 
+#ifdef HAVE_VARNISH_V2
        VSL_stats = VSL_OpenStats (conf->instance);
        if (VSL_stats == NULL)
        {
@@ -396,6 +428,22 @@ static int varnish_read (user_data_t *ud) /* {{{ */
        }
 
        varnish_monitor (conf, VSL_stats);
+#endif
+
+#ifdef HAVE_VARNISH_V3
+       vd = VSM_New();
+       VSC_Setup(vd);
+       if (VSC_Open(vd, 1))
+       {
+               ERROR ("Varnish plugin : unable to load statistics");
+
+               return (-1);
+       }
+
+       VSC_C_main = VSC_Main(vd);
+
+       varnish_monitor (conf, VSC_C_main);
+#endif
 
     return (0);
 } /* }}} */
@@ -423,11 +471,13 @@ static int varnish_config_apply_default (user_config_t *conf) /* {{{ */
        conf->collect_fetch       = 0;
        conf->collect_hcb         = 0;
        conf->collect_shm         = 1;
+#if HAVE_VARNISH_V2
        conf->collect_sm          = 0;
        conf->collect_sma         = 0;
+#endif
        conf->collect_sms         = 0;
        conf->collect_totals      = 0;
-       
+
        return (0);
 } /* }}} int varnish_config_apply_default */
 
@@ -519,12 +569,14 @@ static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
                        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);
+#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 ("CollectTotals", child->key) == 0)
                        cf_util_get_boolean (child, &conf->collect_totals);
                else if (strcasecmp ("CollectWorkers", child->key) == 0)
@@ -544,9 +596,11 @@ static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
                        && !conf->collect_fetch
                        && !conf->collect_hcb
                        && !conf->collect_shm
-                       && !conf->collect_sma
                        && !conf->collect_sms
+#if HAVE_VARNISH_V2
+                       && !conf->collect_sma
                        && !conf->collect_sm
+#endif
                        && !conf->collect_totals
                        && !conf->collect_workers)
        {