X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fwrite_redis.c;h=231738c5bc6993e6c25b0f66dcc1c53a635ba4b0;hb=3307054b6ab46b51fdda4f528e72d119e9de3071;hp=28d475fecbc41e22132cbf984812cdf0b735e27c;hpb=7a02bef3ed2adcdd6c7f8cf07eaad2aaa84bee2c;p=collectd.git

diff --git a/src/write_redis.c b/src/write_redis.c
index 28d475fe..231738c5 100644
--- a/src/write_redis.c
+++ b/src/write_redis.c
@@ -57,51 +57,24 @@ static int wr_write (const data_set_t *ds, /* {{{ */
   char ident[512];
   char key[512];
   char value[512];
+  char time[24];
   size_t value_size;
   char *value_ptr;
   int status;
   redisReply   *rr;
-  int i;
 
   status = FORMAT_VL (ident, sizeof (ident), vl);
   if (status != 0)
     return (status);
   ssnprintf (key, sizeof (key), "collectd/%s", 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];
-
-#define APPEND(...) do {                                             \
-  status = snprintf (value_ptr, value_size, __VA_ARGS__);            \
-  if (((size_t) status) > value_size)                                \
-  {                                                                  \
-    value_ptr += value_size;                                         \
-    value_size = 0;                                                  \
-  }                                                                  \
-  else                                                               \
-  {                                                                  \
-    value_ptr += status;                                             \
-    value_size -= status;                                            \
-  }                                                                  \
-} while (0)
-
-  APPEND ("%.9f:", CDTIME_T_TO_DOUBLE(vl->time));
-  for (i = 0; i < ds->ds_num; i++)
-  {
-    if (ds->ds[i].type == DS_TYPE_COUNTER)
-      APPEND ("%llu", vl->values[i].counter);
-    else if (ds->ds[i].type == DS_TYPE_GAUGE)
-      APPEND ("%g", vl->values[i].gauge);
-    else if (ds->ds[i].type == DS_TYPE_DERIVE)
-      APPEND ("%"PRIi64, vl->values[i].derive);
-    else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
-      APPEND ("%"PRIu64, vl->values[i].absolute);
-    else
-      assert (23 == 42);
-  }
-
-#undef APPEND
+  status = format_values (value_ptr, value_size, ds, vl, /* store rates = */ 0);
+  if (status != 0)
+    return (status);
 
   pthread_mutex_lock (&node->lock);
 
@@ -110,23 +83,37 @@ static int wr_write (const data_set_t *ds, /* {{{ */
     node->conn = redisConnectWithTimeout ((char *)node->host, node->port, node->timeout);
     if (node->conn == NULL)
     {
-      ERROR ("write_redis plugin: Connecting to host \"%s\" (port %i) failed.",
+      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",
+          (node->port != 0) ? node->port : 6379,
+          node->conn->errstr);
+      pthread_mutex_unlock (&node->lock);
+      return (-1);
+    }
   }
 
-  assert (node->conn != NULL);
-  rr = redisCommand (node->conn, "ZADD %s %.9f %s", key,
-    CDTIME_T_TO_DOUBLE(vl->time), value);
-  if (rr==NULL)
-    WARNING("ZADD command error. key:%s", key);
+  rr = redisCommand (node->conn, "ZADD %s %s %s", key, time, value);
+  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", ident);
+    WARNING("SADD command error. ident:%s message:%s", ident, node->conn->errstr);
+  else
+    freeReplyObject (rr);
 
   pthread_mutex_unlock (&node->lock);