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[collectd.git] / src / write_redis.c

diff --git a/src/write_redis.c b/src/write_redis.c
index eb4e2c5..135a458 100644 (file)
--- a/src/write_redis.c
+++ b/src/write_redis.c
@@ -25,11 +25,11 @@
  **/
 
 #include "collectd.h"
+
 #include "plugin.h"
 #include "common.h"
 #include "configfile.h"
 
-#include <pthread.h>
 #include <sys/time.h>
 #include <hiredis/hiredis.h>
 
@@ -47,6 +47,7 @@ struct wr_node_s
   char *prefix;
   int database;
   int max_set_size;
+  _Bool store_rates;
 
   redisContext *conn;
   pthread_mutex_t lock;
@@ -63,7 +64,7 @@ static int wr_write (const data_set_t *ds, /* {{{ */
   wr_node_t *node = ud->data;
   char ident[512];
   char key[512];
-  char value[512];
+  char value[512] = { 0 };
   char time[24];
   size_t value_size;
   char *value_ptr;
@@ -78,14 +79,14 @@ static int wr_write (const data_set_t *ds, /* {{{ */
       ident);
   ssnprintf (time, sizeof (time), "%.9f", CDTIME_T_TO_DOUBLE(vl->time));
 
-  memset (value, 0, sizeof (value));
   value_size = sizeof (value);
   value_ptr = &value[0];
-  status = format_values (value_ptr, value_size, ds, vl, /* store rates = */ 0);
-  pthread_mutex_lock (&node->lock);
+  status = format_values (value_ptr, value_size, ds, vl, node->store_rates);
   if (status != 0)
     return (status);
 
+  pthread_mutex_lock (&node->lock);
+
   if (node->conn == NULL)
   {
     node->conn = redisConnectWithTimeout ((char *)node->host, node->port, node->timeout);
@@ -124,7 +125,7 @@ static int wr_write (const data_set_t *ds, /* {{{ */
   {
     rr = redisCommand (node->conn, "ZREMRANGEBYRANK %s %d %d", key, 0, (-1 * node->max_set_size) - 1);
     if (rr == NULL)
-      WARNING("ZREMRANGEBYRANK command error. database:%d message:%s", node->database, node->conn->errstr);
+      WARNING("ZREMRANGEBYRANK command error. key:%s message:%s", key, node->conn->errstr);
     else
       freeReplyObject (rr);
   }
@@ -167,12 +168,10 @@ static int wr_config_node (oconfig_item_t *ci) /* {{{ */
   wr_node_t *node;
   int timeout;
   int status;
-  int i;
 
-  node = malloc (sizeof (*node));
+  node = calloc (1, sizeof (*node));
   if (node == NULL)
     return (ENOMEM);
-  memset (node, 0, sizeof (*node));
   node->host = NULL;
   node->port = 0;
   node->timeout.tv_sec = 0;
@@ -181,6 +180,7 @@ static int wr_config_node (oconfig_item_t *ci) /* {{{ */
   node->prefix = NULL;
   node->database = 0;
   node->max_set_size = -1;
+  node->store_rates = 1;
   pthread_mutex_init (&node->lock, /* attr = */ NULL);
 
   status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
@@ -190,7 +190,7 @@ static int wr_config_node (oconfig_item_t *ci) /* {{{ */
     return (status);
   }
 
-  for (i = 0; i < ci->children_num; i++)
+  for (int i = 0; i < ci->children_num; i++)
   {
     oconfig_item_t *child = ci->children + i;
 
@@ -218,6 +218,9 @@ static int wr_config_node (oconfig_item_t *ci) /* {{{ */
     else if (strcasecmp ("MaxSetSize", child->key) == 0) {
       status = cf_util_get_int (child, &node->max_set_size);
     }
+    else if (strcasecmp ("StoreRates", child->key) == 0) {
+      status = cf_util_get_boolean (child, &node->store_rates);
+    }
     else
       WARNING ("write_redis plugin: Ignoring unknown config option \"%s\".",
           child->key);
@@ -247,9 +250,7 @@ static int wr_config_node (oconfig_item_t *ci) /* {{{ */
 
 static int wr_config (oconfig_item_t *ci) /* {{{ */
 {
-  int i;
-
-  for (i = 0; i < ci->children_num; i++)
+  for (int i = 0; i < ci->children_num; i++)
   {
     oconfig_item_t *child = ci->children + i;