Merge branch 'collectd-5.5'

[collectd.git] / src / write_redis.c

diff --git a/src/write_redis.c b/src/write_redis.c
index 1e7281c..02663c6 100644 (file)
--- 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 +133,13 @@ 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)
-    WARNING("ZADD command error. key:%s", key);
+    WARNING("ZADD command error. key:%s message:%s", key, node->conn->errstr);
 
   rr = redisCommand (node->conn, "SADD collectd/values %s", ident);
   if (rr==NULL)
-    WARNING("SADD command error. ident:%s", ident);
+    WARNING("SADD command error. ident:%s message:%s", ident, node->conn->errstr);
 
   pthread_mutex_unlock (&node->lock);