added the use of df_complex and changed fprintf to ERROR for error

messages.  Also changed variable names to follow recommended standard
from the website.

diff --git a/src/volume.c b/src/volume.c
index ab39dc9..3cb6d28 100644 (file)
--- a/src/volume.c
+++ b/src/volume.c
@@ -19,24 +19,24 @@
  *   Chad Malfait <malfaitc at yahoo.com>
  **/
 
+#include <lvm2app.h>
+
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
-#include <lvm2app.h>
 
-static void volume_submit(const char *vol_name, gauge_t size, gauge_t free)
+static void volume_submit(const char *vol_name, const char *type, const char type_instance, gauge_t value)
 {
-    value_t values[2];
+    value_t values[1];
     value_list_t vl = VALUE_LIST_INIT;
 
-    values[0].gauge = size;
-    values[1].gauge = free;
+    values[0].gauge = value;
 
     vl.values = values;
     vl.values_len = STATIC_ARRAY_SIZE (values);
     sstrncpy(vl.host, hostname_g, sizeof (vl.host));
-    sstrncpy(vl.plugin, "volume", sizeof (vl.plugin));
-    sstrncpy(vl.type, vol_name, sizeof (vl.type));
+    sstrncpy(vl.type, type, sizeof (vl.type));
+    sstrncpy(vl.type_instance, type_instacne, sizeof (vl.type_instance));
 
     plugin_dispatch_values (&vl);
 }
@@ -45,22 +45,27 @@ static int volume_read(void)
 {
     lvm_t lvm;
     vg_t vg;
-    struct dm_list *vgnames;
-    struct lvm_str_list *strl;
+    int status = 0;
+    struct dm_list *vg_names;
+    struct lvm_str_list *name_list;
 
     lvm = lvm_init(NULL);
     if (!lvm) {
-        fprintf(stderr, "lvm_init() failed\n");
+       status = lvm_errno(lvm);
+       ERROR("volume plugin: lvm_init failed: %s", lvm_errmsg(lvm));
     }
 
-    vgnames = lvm_list_vg_names(lvm);
-    if (!vgnames) {
-        fprintf(stderr, "lvm_list_vg_names() failed\n");
+    vg_names = lvm_list_vg_names(lvm);
+    if (!vg_names) {
+       status = lvm_errno(lvm);
+       ERROR("volume plugin lvm_list_vg_name failed %s", lvm_errmsg(lvm));
     }
 
-    dm_list_iterate_items(strl, vgnames) {
-        vg = lvm_vg_open(lvm, strl->str, "r", 0);
-        volume_submit(strl->str, lvm_vg_get_size(vg), lvm_vg_get_free_size(vg));
+    dm_list_iterate_items(name_list, vg_names) {
+        vg = lvm_vg_open(lvm, name_list->str, "r", 0);
+        volume_submit(name_list->str, "df_complex", "size", lvm_vg_get_size(vg));
+        volume_submit(name_list->str, "df_complex", "free", lvm_vg_get_free_size(vg));
+
         lvm_vg_close(vg);
     }