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/*
* element_cfg.c Element Configuration
*
* Copyright (c) 2001-2013 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2013 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <bmon/bmon.h>
#include <bmon/conf.h>
#include <bmon/element.h>
#include <bmon/element_cfg.h>
#include <bmon/utils.h>
static LIST_HEAD(cfg_list);
struct element_cfg *element_cfg_alloc(const char *name)
{
struct element_cfg *ec;
if ((ec = element_cfg_lookup(name))) {
ec->ec_refcnt++;
return ec;
}
ec = xcalloc(1, sizeof(*ec));
ec->ec_name = strdup(name);
ec->ec_refcnt = 1;
list_add_tail(&ec->ec_list, &cfg_list);
return ec;
}
struct element_cfg *element_cfg_create(const char *name)
{
struct element_cfg *cfg;
if (!(cfg = element_cfg_lookup(name)))
cfg = element_cfg_alloc(name);
return cfg;
}
static void __element_cfg_free(struct element_cfg *ec)
{
list_del(&ec->ec_list);
xfree(ec->ec_name);
xfree(ec->ec_description);
xfree(ec);
}
void element_cfg_free(struct element_cfg *ec)
{
if (!ec || --ec->ec_refcnt)
return;
__element_cfg_free(ec);
}
struct element_cfg *element_cfg_lookup(const char *name)
{
struct element_cfg *ec;
list_for_each_entry(ec, &cfg_list, ec_list)
if (!strcmp(name, ec->ec_name))
return ec;
return NULL;
}
static void __exit __element_cfg_exit(void)
{
struct element_cfg *ec, *n;
list_for_each_entry_safe(ec, n, &cfg_list, ec_list)
__element_cfg_free(ec);
}
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