**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
#include "utils_match.h"
#include <libmemcached/memcached.h>
typedef struct web_page_s web_page_t;
struct web_page_s /* {{{ */
{
+ char *plugin_name;
char *instance;
char *server;
/*
* Global variables;
*/
-static web_page_t *pages_g = NULL;
+static web_page_t *pages_g;
/*
* Private functions
*/
-static void cmc_web_match_free (web_match_t *wm) /* {{{ */
+static void cmc_web_match_free(web_match_t *wm) /* {{{ */
{
if (wm == NULL)
return;
- sfree (wm->regex);
- sfree (wm->type);
- sfree (wm->instance);
- match_destroy (wm->match);
- cmc_web_match_free (wm->next);
- sfree (wm);
+ sfree(wm->regex);
+ sfree(wm->type);
+ sfree(wm->instance);
+ match_destroy(wm->match);
+ cmc_web_match_free(wm->next);
+ sfree(wm);
} /* }}} void cmc_web_match_free */
-static void cmc_web_page_free (web_page_t *wp) /* {{{ */
+static void cmc_web_page_free(web_page_t *wp) /* {{{ */
{
if (wp == NULL)
return;
memcached_free(wp->memc);
wp->memc = NULL;
- sfree (wp->instance);
- sfree (wp->server);
- sfree (wp->key);
- sfree (wp->buffer);
+ sfree(wp->plugin_name);
+ sfree(wp->instance);
+ sfree(wp->server);
+ sfree(wp->key);
+ sfree(wp->buffer);
- cmc_web_match_free (wp->matches);
- cmc_web_page_free (wp->next);
- sfree (wp);
+ cmc_web_match_free(wp->matches);
+ cmc_web_page_free(wp->next);
+ sfree(wp);
} /* }}} void cmc_web_page_free */
-static int cmc_page_init_memc (web_page_t *wp) /* {{{ */
+static int cmc_page_init_memc(web_page_t *wp) /* {{{ */
{
memcached_server_st *server;
wp->memc = memcached_create(NULL);
- if (wp->memc == NULL)
- {
- ERROR ("memcachec plugin: memcached_create failed.");
- return (-1);
+ if (wp->memc == NULL) {
+ ERROR("memcachec plugin: memcached_create failed.");
+ return -1;
}
- server = memcached_servers_parse (wp->server);
- memcached_server_push (wp->memc, server);
- memcached_server_list_free (server);
+ server = memcached_servers_parse(wp->server);
+ memcached_server_push(wp->memc, server);
+ memcached_server_list_free(server);
- return (0);
+ return 0;
} /* }}} int cmc_page_init_memc */
-static int cmc_config_add_string (const char *name, char **dest, /* {{{ */
- oconfig_item_t *ci)
-{
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("memcachec plugin: `%s' needs exactly one string argument.", name);
- return (-1);
+static int cmc_config_add_string(const char *name, char **dest, /* {{{ */
+ oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("memcachec plugin: `%s' needs exactly one string argument.", name);
+ return -1;
}
- sfree (*dest);
- *dest = strdup (ci->values[0].value.string);
+ sfree(*dest);
+ *dest = strdup(ci->values[0].value.string);
if (*dest == NULL)
- return (-1);
+ return -1;
- return (0);
+ return 0;
} /* }}} int cmc_config_add_string */
-static int cmc_config_add_match_dstype (int *dstype_ret, /* {{{ */
- oconfig_item_t *ci)
-{
+static int cmc_config_add_match_dstype(int *dstype_ret, /* {{{ */
+ oconfig_item_t *ci) {
int dstype;
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("memcachec plugin: `DSType' needs exactly one string argument.");
- return (-1);
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("memcachec plugin: `DSType' needs exactly one string argument.");
+ return -1;
}
- if (strncasecmp ("Gauge", ci->values[0].value.string,
- strlen ("Gauge")) == 0)
- {
+ if (strncasecmp("Gauge", ci->values[0].value.string, strlen("Gauge")) == 0) {
dstype = UTILS_MATCH_DS_TYPE_GAUGE;
- if (strcasecmp ("GaugeAverage", ci->values[0].value.string) == 0)
+ if (strcasecmp("GaugeAverage", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_GAUGE_AVERAGE;
- else if (strcasecmp ("GaugeMin", ci->values[0].value.string) == 0)
+ else if (strcasecmp("GaugeMin", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_GAUGE_MIN;
- else if (strcasecmp ("GaugeMax", ci->values[0].value.string) == 0)
+ else if (strcasecmp("GaugeMax", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_GAUGE_MAX;
- else if (strcasecmp ("GaugeLast", ci->values[0].value.string) == 0)
+ else if (strcasecmp("GaugeLast", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_GAUGE_LAST;
else
dstype = 0;
- }
- else if (strncasecmp ("Counter", ci->values[0].value.string,
- strlen ("Counter")) == 0)
- {
+ } else if (strncasecmp("Counter", ci->values[0].value.string,
+ strlen("Counter")) == 0) {
dstype = UTILS_MATCH_DS_TYPE_COUNTER;
- if (strcasecmp ("CounterSet", ci->values[0].value.string) == 0)
+ if (strcasecmp("CounterSet", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_COUNTER_SET;
- else if (strcasecmp ("CounterAdd", ci->values[0].value.string) == 0)
+ else if (strcasecmp("CounterAdd", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_COUNTER_ADD;
- else if (strcasecmp ("CounterInc", ci->values[0].value.string) == 0)
+ else if (strcasecmp("CounterInc", ci->values[0].value.string) == 0)
dstype |= UTILS_MATCH_CF_COUNTER_INC;
else
dstype = 0;
- }
- else
- {
+ } else {
dstype = 0;
}
- if (dstype == 0)
- {
- WARNING ("memcachec plugin: `%s' is not a valid argument to `DSType'.",
- ci->values[0].value.string);
- return (-1);
+ if (dstype == 0) {
+ WARNING("memcachec plugin: `%s' is not a valid argument to `DSType'.",
+ ci->values[0].value.string);
+ return -1;
}
*dstype_ret = dstype;
- return (0);
+ return 0;
} /* }}} int cmc_config_add_match_dstype */
-static int cmc_config_add_match (web_page_t *page, /* {{{ */
- oconfig_item_t *ci)
-{
+static int cmc_config_add_match(web_page_t *page, /* {{{ */
+ oconfig_item_t *ci) {
web_match_t *match;
int status;
- int i;
- if (ci->values_num != 0)
- {
- WARNING ("memcachec plugin: Ignoring arguments for the `Match' block.");
+ if (ci->values_num != 0) {
+ WARNING("memcachec plugin: Ignoring arguments for the `Match' block.");
}
- match = calloc (1, sizeof (*match));
- if (match == NULL)
- {
- ERROR ("memcachec plugin: calloc failed.");
- return (-1);
+ match = calloc(1, sizeof(*match));
+ if (match == NULL) {
+ ERROR("memcachec plugin: calloc failed.");
+ return -1;
}
status = 0;
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("Regex", child->key) == 0)
- status = cmc_config_add_string ("Regex", &match->regex, child);
- else if (strcasecmp ("ExcludeRegex", child->key) == 0)
- status = cmc_config_add_string ("ExcludeRegex", &match->exclude_regex, child);
- else if (strcasecmp ("DSType", child->key) == 0)
- status = cmc_config_add_match_dstype (&match->dstype, child);
- else if (strcasecmp ("Type", child->key) == 0)
- status = cmc_config_add_string ("Type", &match->type, child);
- else if (strcasecmp ("Instance", child->key) == 0)
- status = cmc_config_add_string ("Instance", &match->instance, child);
- else
- {
- WARNING ("memcachec plugin: Option `%s' not allowed here.", child->key);
+ if (strcasecmp("Regex", child->key) == 0)
+ status = cmc_config_add_string("Regex", &match->regex, child);
+ else if (strcasecmp("ExcludeRegex", child->key) == 0)
+ status =
+ cmc_config_add_string("ExcludeRegex", &match->exclude_regex, child);
+ else if (strcasecmp("DSType", child->key) == 0)
+ status = cmc_config_add_match_dstype(&match->dstype, child);
+ else if (strcasecmp("Type", child->key) == 0)
+ status = cmc_config_add_string("Type", &match->type, child);
+ else if (strcasecmp("Instance", child->key) == 0)
+ status = cmc_config_add_string("Instance", &match->instance, child);
+ else {
+ WARNING("memcachec plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
break;
} /* for (i = 0; i < ci->children_num; i++) */
- while (status == 0)
- {
- if (match->regex == NULL)
- {
- WARNING ("memcachec plugin: `Regex' missing in `Match' block.");
+ while (status == 0) {
+ if (match->regex == NULL) {
+ WARNING("memcachec plugin: `Regex' missing in `Match' block.");
status = -1;
}
- if (match->type == NULL)
- {
- WARNING ("memcachec plugin: `Type' missing in `Match' block.");
+ if (match->type == NULL) {
+ WARNING("memcachec plugin: `Type' missing in `Match' block.");
status = -1;
}
- if (match->dstype == 0)
- {
- WARNING ("memcachec plugin: `DSType' missing in `Match' block.");
+ if (match->dstype == 0) {
+ WARNING("memcachec plugin: `DSType' missing in `Match' block.");
status = -1;
}
break;
} /* while (status == 0) */
- if (status != 0)
- {
- cmc_web_match_free (match);
- return (status);
+ if (status != 0) {
+ cmc_web_match_free(match);
+ return status;
}
- match->match = match_create_simple (match->regex, match->exclude_regex,
- match->dstype);
- if (match->match == NULL)
- {
- ERROR ("memcachec plugin: tail_match_add_match_simple failed.");
- cmc_web_match_free (match);
- return (-1);
- }
- else
- {
+ match->match =
+ match_create_simple(match->regex, match->exclude_regex, match->dstype);
+ if (match->match == NULL) {
+ ERROR("memcachec plugin: match_create_simple failed.");
+ cmc_web_match_free(match);
+ return -1;
+ } else {
web_match_t *prev;
prev = page->matches;
prev->next = match;
}
- return (0);
+ return 0;
} /* }}} int cmc_config_add_match */
-static int cmc_config_add_page (oconfig_item_t *ci) /* {{{ */
+static int cmc_config_add_page(oconfig_item_t *ci) /* {{{ */
{
web_page_t *page;
int status;
- int i;
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("memcachec plugin: `Page' blocks need exactly one string argument.");
- return (-1);
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING(
+ "memcachec plugin: `Page' blocks need exactly one string argument.");
+ return -1;
}
- page = calloc (1, sizeof (*page));
- if (page == NULL)
- {
- ERROR ("memcachec plugin: calloc failed.");
- return (-1);
+ page = calloc(1, sizeof(*page));
+ if (page == NULL) {
+ ERROR("memcachec plugin: calloc failed.");
+ return -1;
}
page->server = NULL;
page->key = NULL;
- page->instance = strdup (ci->values[0].value.string);
- if (page->instance == NULL)
- {
- ERROR ("memcachec plugin: strdup failed.");
- sfree (page);
- return (-1);
+ page->instance = strdup(ci->values[0].value.string);
+ if (page->instance == NULL) {
+ ERROR("memcachec plugin: strdup failed.");
+ sfree(page);
+ return -1;
}
/* Process all children */
status = 0;
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("Server", child->key) == 0)
- status = cmc_config_add_string ("Server", &page->server, child);
- else if (strcasecmp ("Key", child->key) == 0)
- status = cmc_config_add_string ("Key", &page->key, child);
- else if (strcasecmp ("Match", child->key) == 0)
+ if (strcasecmp("Server", child->key) == 0)
+ status = cmc_config_add_string("Server", &page->server, child);
+ else if (strcasecmp("Key", child->key) == 0)
+ status = cmc_config_add_string("Key", &page->key, child);
+ else if (strcasecmp("Plugin", child->key) == 0)
+ status = cmc_config_add_string("Plugin", &page->plugin_name, child);
+ else if (strcasecmp("Match", child->key) == 0)
/* Be liberal with failing matches => don't set `status'. */
- cmc_config_add_match (page, child);
- else
- {
- WARNING ("memcachec plugin: Option `%s' not allowed here.", child->key);
+ cmc_config_add_match(page, child);
+ else {
+ WARNING("memcachec plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
} /* for (i = 0; i < ci->children_num; i++) */
/* Additionial sanity checks and libmemcached initialization. */
- while (status == 0)
- {
- if (page->server == NULL)
- {
- WARNING ("memcachec plugin: `Server' missing in `Page' block.");
+ while (status == 0) {
+ if (page->server == NULL) {
+ WARNING("memcachec plugin: `Server' missing in `Page' block.");
status = -1;
}
- if (page->key == NULL)
- {
- WARNING ("memcachec plugin: `Key' missing in `Page' block.");
+ if (page->key == NULL) {
+ WARNING("memcachec plugin: `Key' missing in `Page' block.");
status = -1;
}
- if (page->matches == NULL)
- {
- assert (page->instance != NULL);
- WARNING ("memcachec plugin: No (valid) `Match' block "
- "within `Page' block `%s'.", page->instance);
+ if (page->matches == NULL) {
+ assert(page->instance != NULL);
+ WARNING("memcachec plugin: No (valid) `Match' block "
+ "within `Page' block `%s'.",
+ page->instance);
status = -1;
}
if (status == 0)
- status = cmc_page_init_memc (page);
+ status = cmc_page_init_memc(page);
break;
} /* while (status == 0) */
- if (status != 0)
- {
- cmc_web_page_free (page);
- return (status);
+ if (status != 0) {
+ cmc_web_page_free(page);
+ return status;
}
/* Add the new page to the linked list */
if (pages_g == NULL)
pages_g = page;
- else
- {
+ else {
web_page_t *prev;
prev = pages_g;
prev->next = page;
}
- return (0);
+ return 0;
} /* }}} int cmc_config_add_page */
-static int cmc_config (oconfig_item_t *ci) /* {{{ */
+static int cmc_config(oconfig_item_t *ci) /* {{{ */
{
int success;
int errors;
int status;
- int i;
success = 0;
errors = 0;
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("Page", child->key) == 0)
- {
- status = cmc_config_add_page (child);
+ if (strcasecmp("Page", child->key) == 0) {
+ status = cmc_config_add_page(child);
if (status == 0)
success++;
else
errors++;
- }
- else
- {
- WARNING ("memcachec plugin: Option `%s' not allowed here.", child->key);
+ } else {
+ WARNING("memcachec plugin: Option `%s' not allowed here.", child->key);
errors++;
}
}
- if ((success == 0) && (errors > 0))
- {
- ERROR ("memcachec plugin: All statements failed.");
- return (-1);
+ if ((success == 0) && (errors > 0)) {
+ ERROR("memcachec plugin: All statements failed.");
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int cmc_config */
-static int cmc_init (void) /* {{{ */
+static int cmc_init(void) /* {{{ */
{
- if (pages_g == NULL)
- {
- INFO ("memcachec plugin: No pages have been defined.");
- return (-1);
+ if (pages_g == NULL) {
+ INFO("memcachec plugin: No pages have been defined.");
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int cmc_init */
-static void cmc_submit (const web_page_t *wp, const web_match_t *wm, /* {{{ */
- const cu_match_value_t *mv)
-{
- value_t values[1];
+static void cmc_submit(const web_page_t *wp, const web_match_t *wm, /* {{{ */
+ value_t value) {
value_list_t vl = VALUE_LIST_INIT;
- values[0] = mv->value;
-
- vl.values = values;
+ vl.values = &value;
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memcachec", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, wp->instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, wm->type, sizeof (vl.type));
- sstrncpy (vl.type_instance, wm->instance, sizeof (vl.type_instance));
+ sstrncpy(vl.plugin, (wp->plugin_name != NULL) ? wp->plugin_name : "memcachec",
+ sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, wp->instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, wm->type, sizeof(vl.type));
+ sstrncpy(vl.type_instance, wm->instance, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* }}} void cmc_submit */
-static int cmc_read_page (web_page_t *wp) /* {{{ */
+static int cmc_read_page(web_page_t *wp) /* {{{ */
{
- web_match_t *wm;
memcached_return rc;
size_t string_length;
uint32_t flags;
int status;
if (wp->memc == NULL)
- return (-1);
-
- wp->buffer = memcached_get (wp->memc, wp->key, strlen (wp->key),
- &string_length, &flags, &rc);
- if (rc != MEMCACHED_SUCCESS)
- {
- ERROR ("memcachec plugin: memcached_get failed: %s",
- memcached_strerror (wp->memc, rc));
- return (-1);
+ return -1;
+
+ wp->buffer = memcached_get(wp->memc, wp->key, strlen(wp->key), &string_length,
+ &flags, &rc);
+ if (rc != MEMCACHED_SUCCESS) {
+ ERROR("memcachec plugin: memcached_get failed: %s",
+ memcached_strerror(wp->memc, rc));
+ return -1;
}
- for (wm = wp->matches; wm != NULL; wm = wm->next)
- {
+ for (web_match_t *wm = wp->matches; wm != NULL; wm = wm->next) {
cu_match_value_t *mv;
- status = match_apply (wm->match, wp->buffer);
- if (status != 0)
- {
- WARNING ("memcachec plugin: match_apply failed.");
+ status = match_apply(wm->match, wp->buffer);
+ if (status != 0) {
+ WARNING("memcachec plugin: match_apply failed.");
continue;
}
- mv = match_get_user_data (wm->match);
- if (mv == NULL)
- {
- WARNING ("memcachec plugin: match_get_user_data returned NULL.");
+ mv = match_get_user_data(wm->match);
+ if (mv == NULL) {
+ WARNING("memcachec plugin: match_get_user_data returned NULL.");
continue;
}
- cmc_submit (wp, wm, mv);
- match_value_reset (mv);
+ cmc_submit(wp, wm, mv->value);
+ match_value_reset(mv);
} /* for (wm = wp->matches; wm != NULL; wm = wm->next) */
- sfree (wp->buffer);
+ sfree(wp->buffer);
- return (0);
+ return 0;
} /* }}} int cmc_read_page */
-static int cmc_read (void) /* {{{ */
+static int cmc_read(void) /* {{{ */
{
- web_page_t *wp;
-
- for (wp = pages_g; wp != NULL; wp = wp->next)
- cmc_read_page (wp);
+ for (web_page_t *wp = pages_g; wp != NULL; wp = wp->next)
+ cmc_read_page(wp);
- return (0);
+ return 0;
} /* }}} int cmc_read */
-static int cmc_shutdown (void) /* {{{ */
+static int cmc_shutdown(void) /* {{{ */
{
- cmc_web_page_free (pages_g);
+ cmc_web_page_free(pages_g);
pages_g = NULL;
- return (0);
+ return 0;
} /* }}} int cmc_shutdown */
-void module_register (void)
-{
- plugin_register_complex_config ("memcachec", cmc_config);
- plugin_register_init ("memcachec", cmc_init);
- plugin_register_read ("memcachec", cmc_read);
- plugin_register_shutdown ("memcachec", cmc_shutdown);
+void module_register(void) {
+ plugin_register_complex_config("memcachec", cmc_config);
+ plugin_register_init("memcachec", cmc_init);
+ plugin_register_read("memcachec", cmc_read);
+ plugin_register_shutdown("memcachec", cmc_shutdown);
} /* void module_register */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */