#define MAX_REDIS_NODE_NAME 64
#define MAX_REDIS_PASSWD_LENGTH 512
#define MAX_REDIS_VAL_SIZE 256
-#define MAX_REDIS_COMMAND 2048
+#define MAX_REDIS_QUERY 2048
/* Redis plugin configuration example:
*
* </Plugin>
*/
-struct redis_command_s;
-typedef struct redis_command_s redis_command_t;
-struct redis_command_s
+struct redis_query_s;
+typedef struct redis_query_s redis_query_t;
+struct redis_query_s
{
- char command[MAX_REDIS_COMMAND];
+ char query[MAX_REDIS_QUERY];
char type[DATA_MAX_NAME_LEN];
char instance[DATA_MAX_NAME_LEN];
- redis_command_t *next;
+ redis_query_t *next;
};
struct redis_node_s;
char passwd[MAX_REDIS_PASSWD_LENGTH];
int port;
struct timeval timeout;
- redis_command_t *commands;
+ redis_query_t *queries;
redis_node_t *next;
};
return (0);
} /* }}} */
-static redis_command_t *redis_config_command (oconfig_item_t *ci) /* {{{ */
+static redis_query_t *redis_config_query (oconfig_item_t *ci) /* {{{ */
{
- redis_command_t *rc;
+ redis_query_t *rq;
int status;
int i;
- rc = calloc(1, sizeof(*rc));
- if (rc == NULL) {
- ERROR("redis plugin: calloca failed adding redis_command.");
+ rq = calloc(1, sizeof(*rq));
+ if (rq == NULL) {
+ ERROR("redis plugin: calloca failed adding redis_query.");
return NULL;
}
- status = cf_util_get_string_buffer(ci, rc->type, sizeof(rc->type));
+ status = cf_util_get_string_buffer(ci, rq->query, sizeof(rq->query));
if (status != 0)
goto err;
+ /*
+ * Default to a gauge type.
+ */
+ (void)strncpy(rq->type, "gauge", sizeof(rq->type));
+ (void)sstrncpy(rq->instance, rq->query, sizeof(rq->instance));
+ replace_special(rq->instance, sizeof(rq->instance));
+
for (i = 0; i < ci->children_num; i++) {
oconfig_item_t *option = ci->children + i;
- if (strcasecmp("Exec", option->key) == 0) {
- status = cf_util_get_string_buffer(option, rc->command, sizeof(rc->command));
+ if (strcasecmp("Type", option->key) == 0) {
+ status = cf_util_get_string_buffer(option, rq->type, sizeof(rq->type));
} else if (strcasecmp("Instance", option->key) == 0) {
- status = cf_util_get_string_buffer(option, rc->instance, sizeof(rc->instance));
+ status = cf_util_get_string_buffer(option, rq->instance, sizeof(rq->instance));
+ } else {
+ WARNING("redis plugin: unknown configuration option: %s", option->key);
+ status = -1;
}
if (status != 0)
goto err;
}
- if (strlen(rc->command) == 0) {
- WARNING("redis plugin: invalid command definition for: %s", rc->type);
- goto err;
- }
- return rc;
+ return rq;
err:
- free(rc);
+ free(rq);
return NULL;
} /* }}} */
static int redis_config_node (oconfig_item_t *ci) /* {{{ */
{
redis_node_t rn;
- redis_command_t *rc;
+ redis_query_t *rq;
int i;
int status;
int timeout;
sstrncpy (rn.host, REDIS_DEF_HOST, sizeof (rn.host));
rn.port = REDIS_DEF_PORT;
rn.timeout.tv_usec = REDIS_DEF_TIMEOUT;
- rn.commands = NULL;
+ rn.queries = NULL;
status = cf_util_get_string_buffer (ci, rn.name, sizeof (rn.name));
if (status != 0)
status = 0;
}
}
- else if (strcasecmp ("Command", option->key) == 0)
+ else if (strcasecmp ("Query", option->key) == 0)
{
- rc = redis_config_command(option);
- if (rc == NULL) {
+ rq = redis_config_query(option);
+ if (rq == NULL) {
status =1;
} else {
- rc->next = rn.commands;
- rn.commands = rc;
+ rq->next = rn.queries;
+ rn.queries = rq;
}
}
else if (strcasecmp ("Timeout", option->key) == 0)
} /* }}} int redis_handle_info */
-int redis_handle_command (redisContext *rh, redis_node_t *rn, redis_command_t *rc) /* {{{ */
+int redis_handle_query (redisContext *rh, redis_node_t *rn, redis_query_t *rq) /* {{{ */
{
redisReply *rr;
const data_set_t *ds;
value_t val;
- ds = plugin_get_ds (rc->type);
+ ds = plugin_get_ds (rq->type);
if (!ds) {
- ERROR ("redis plugin: DataSet `%s' not defined.", rc->type);
+ ERROR ("redis plugin: DataSet `%s' not defined.", rq->type);
return (-1);
}
if (ds->ds_num != 1) {
- ERROR ("redis plugin: DS `%s' has too many types.", rc->type);
+ ERROR ("redis plugin: DS `%s' has too many types.", rq->type);
return (-1);
}
- if ((rr = redisCommand(rh, rc->command)) == NULL) {
- WARNING("redis plugin: unable to carry out command `%s'.", rc->command);
+ if ((rr = redisCommand(rh, rq->query)) == NULL) {
+ WARNING("redis plugin: unable to carry out query `%s'.", rq->query);
return (-1);
}
break;
case REDIS_REPLY_STRING:
if (parse_value (rr->str, &val, ds->ds[0].type) == -1) {
- WARNING("redis plugin: Unable to parse field `%s'.", rc->type);
+ WARNING("redis plugin: Unable to parse field `%s'.", rq->type);
freeReplyObject (rr);
return (-1);
}
return (-1);
}
- redis_submit(rn->name, rc->type, (strlen(rc->instance) >0)?rc->instance:NULL, val);
+ redis_submit(rn->name, rq->type, (strlen(rq->instance) >0)?rq->instance:NULL, val);
freeReplyObject (rr);
return 0;
-} /* }}} int redis_handle_info */
+} /* }}} int redis_handle_query */
static int redis_read (void) /* {{{ */
{
redis_node_t *rn;
- redis_command_t *rc;
+ redis_query_t *rq;
for (rn = nodes_head; rn != NULL; rn = rn->next)
{
redis_handle_info (rn->name, rr->str, "volatile_changes", NULL, "changes_since_last_save", DS_TYPE_GAUGE);
redis_handle_info (rn->name, rr->str, "total_connections", NULL, "total_connections_received", DS_TYPE_DERIVE);
redis_handle_info (rn->name, rr->str, "total_operations", NULL, "total_commands_processed", DS_TYPE_DERIVE);
- redis_handle_info (rn->name, rr->str, "expired_keys", NULL, "expired_keys", DS_TYPE_GAUGE);
+ redis_handle_info (rn->name, rr->str, "expired_keys", NULL, "expired_keys", DS_TYPE_DERIVE);
redis_handle_info (rn->name, rr->str, "pubsub", "channels", "pubsub_channels", DS_TYPE_GAUGE);
redis_handle_info (rn->name, rr->str, "pubsub", "patterns", "pubsub_patterns", DS_TYPE_GAUGE);
redis_handle_info (rn->name, rr->str, "current_connections", "slaves", "connected_slaves", DS_TYPE_GAUGE);
freeReplyObject (rr);
- for (rc = rn->commands; rc != NULL; rc = rc->next)
- redis_handle_command(rh, rn, rc);
+ for (rq = rn->queries; rq != NULL; rq = rq->next)
+ redis_handle_query(rh, rn, rq);
redisFree (rh);
}