1 /**
2 * collectd - src/target_set.c
3 * Copyright (C) 2008-2010 Florian Forster
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation; only version 2.1 of the License is
8 * applicable.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * Authors:
20 * Florian Forster <octo at verplant.org>
21 **/
23 #include "collectd.h"
24 #include "plugin.h"
25 #include "common.h"
26 #include "filter_chain.h"
28 static void v5_swap_instances (value_list_t *vl) /* {{{ */
29 {
30 char tmp[DATA_MAX_NAME_LEN];
32 assert (sizeof (tmp) == sizeof (vl->plugin_instance));
33 assert (sizeof (tmp) == sizeof (vl->type_instance));
35 memcpy (tmp, vl->plugin_instance, sizeof (tmp));
36 memcpy (vl->plugin_instance, vl->type_instance, sizeof (tmp));
37 memcpy (vl->type_instance, tmp, sizeof (tmp));
38 } /* }}} void v5_swap_instances */
40 /*
41 * Interface plugin
42 *
43 * 4.* stores the interface in the type instance and leaves the plugin
44 * instance empty. If this is the case, put the interface name into the plugin
45 * instance and clear the type instance.
46 */
47 static int v5_interface (const data_set_t *ds, value_list_t *vl) /* {{{ */
48 {
49 if ((vl->plugin_instance[0] != 0) || (vl->type_instance[0] == 0))
50 return (FC_TARGET_CONTINUE);
52 v5_swap_instances (vl);
53 return (FC_TARGET_CONTINUE);
54 } /* }}} int v5_interface */
56 static int v5_destroy (void **user_data) /* {{{ */
57 {
58 return (0);
59 } /* }}} int v5_destroy */
61 static int v5_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
62 {
63 *user_data = NULL;
64 return (0);
65 } /* }}} int v5_create */
67 static int v5_invoke (const data_set_t *ds, value_list_t *vl, /* {{{ */
68 notification_meta_t __attribute__((unused)) **meta, void **user_data)
69 {
70 if ((ds == NULL) || (vl == NULL) || (user_data == NULL))
71 return (-EINVAL);
73 if (strcmp ("interface", vl->plugin) == 0)
74 return (v5_interface (ds, vl));
76 return (FC_TARGET_CONTINUE);
77 } /* }}} int v5_invoke */
79 void module_register (void)
80 {
81 target_proc_t tproc;
83 memset (&tproc, 0, sizeof (tproc));
84 tproc.create = v5_create;
85 tproc.destroy = v5_destroy;
86 tproc.invoke = v5_invoke;
87 fc_register_target ("v5upgrade", tproc);
88 } /* module_register */
90 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */