X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fwrite_redis.c;h=2a6f9124aee0f9a66e3c6a004d8456442d7a067b;hb=26314b8c3fb08e1f0017ee9a6277b7fe370bf2a0;hp=43d71f8a8d1e340c7cd4b9d6607470d01449eaf6;hpb=92ba603ab4aea6186600757fcbcbf4781cc86dcc;p=collectd.git

diff --git a/src/write_redis.c b/src/write_redis.c
index 43d71f8a..2a6f9124 100644
--- a/src/write_redis.c
+++ b/src/write_redis.c
@@ -106,12 +106,23 @@ static int wr_write (const data_set_t *ds, /* {{{ */
 
 #undef APPEND
 
+  status = format_values (value_ptr, value_size, ds, vl, /* store rates = */ 0);
   pthread_mutex_lock (&node->lock);
+  if (status != 0)
+    return (status);
 
   if (node->conn == NULL)
   {
     node->conn = redisConnectWithTimeout ((char *)node->host, node->port, node->timeout);
-    if (node->conn != NULL && node->conn->err)
+    if (node->conn == NULL)
+    {
+      ERROR ("write_redis plugin: Connecting to host \"%s\" (port %i) failed: Unkown reason",
+          (node->host != NULL) ? node->host : "localhost",
+          (node->port != 0) ? node->port : 6379);
+      pthread_mutex_unlock (&node->lock);
+      return (-1);
+    }
+    else if (node->conn->err)
     {
       ERROR ("write_redis plugin: Connecting to host \"%s\" (port %i) failed: %s",
           (node->host != NULL) ? node->host : "localhost",
@@ -122,14 +133,20 @@ static int wr_write (const data_set_t *ds, /* {{{ */
     }
   }
 
-  assert (node->conn != NULL);
   rr = redisCommand (node->conn, "ZADD %s %s %s", key, time, value);
-  if (rr==NULL)
+  if (rr == NULL)
     WARNING("ZADD command error. key:%s message:%s", key, node->conn->errstr);
+  else
+    freeReplyObject (rr);
 
+  /* TODO(octo): This is more overhead than necessary. Use the cache and
+   * metadata to determine if it is a new metric and call SADD only once for
+   * each metric. */
   rr = redisCommand (node->conn, "SADD collectd/values %s", ident);
   if (rr==NULL)
     WARNING("SADD command error. ident:%s message:%s", ident, node->conn->errstr);
+  else
+    freeReplyObject (rr);
 
   pthread_mutex_unlock (&node->lock);