src/utils_threshold.c: Fix creation of percentage notifications.

[collectd.git] / src / utils_threshold.c

diff --git a/src/utils_threshold.c b/src/utils_threshold.c
index 2cf0b67..b14c79b 100644 (file)
--- a/src/utils_threshold.c
+++ b/src/utils_threshold.c
@@ -1,6 +1,9 @@
 /**
  * collectd - src/utils_threshold.c
- * Copyright (C) 2007,2008  Florian octo Forster
+ * Copyright (C) 2007-2009  Florian octo Forster
+ * Copyright (C) 2008-2009  Sebastian Harl
+ * Copyright (C) 2009       Andrés J. Díaz
+ *
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -17,6 +20,8 @@
  *
  * Author:
  *   Florian octo Forster <octo at verplant.org>
+ *   Sebastian Harl <sh at tokkee.org>
+ *   Andrés J. Díaz <ajdiaz at connectical.com>
  **/
 
 #include "collectd.h"
@@ -722,15 +727,41 @@ static int ut_report_state (const data_set_t *ds,
            ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
       }
     }
+    else if (th->flags & UT_FLAG_PERCENTAGE)
+    {
+      gauge_t value;
+      gauge_t sum;
+      int i;
+
+      sum = 0.0;
+      for (i = 0; i < vl->values_len; i++)
+      {
+        if (isnan (values[i]))
+          continue;
+
+        sum += values[i];
+      }
+
+      if (sum == 0.0)
+        value = NAN;
+      else
+        value = 100.0 * values[ds_index] / sum;
+
+      status = ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
+          "%g (%.2f%%). That is %s the %s threshold of %.2f%%.",
+          ds->ds[ds_index].name, values[ds_index], value,
+          (value < min) ? "below" : "above",
+          (state == STATE_ERROR) ? "failure" : "warning",
+          (value < min) ? min : max);
+    }
     else /* is not inverted */
     {
       status = ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
-         "%f. That is %s the %s threshold of %f%s.",
+         "%f. That is %s the %s threshold of %f.",
          ds->ds[ds_index].name, values[ds_index],
          (values[ds_index] < min) ? "below" : "above",
          (state == STATE_ERROR) ? "failure" : "warning",
-         (values[ds_index] < min) ? min : max,
-         ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
+         (values[ds_index] < min) ? min : max);
     }
     buf += status;
     bufsize -= status;