/*
 * Copyright (C) 1994-2021 Altair Engineering, Inc.
 * For more information, contact Altair at www.altair.com.
 *
 * This file is part of both the OpenPBS software ("OpenPBS")
 * and the PBS Professional ("PBS Pro") software.
 *
 * Open Source License Information:
 *
 * OpenPBS is free software. You can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * OpenPBS is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Commercial License Information:
 *
 * PBS Pro is commercially licensed software that shares a common core with
 * the OpenPBS software.  For a copy of the commercial license terms and
 * conditions, go to: (http://www.pbspro.com/agreement.html) or contact the
 * Altair Legal Department.
 *
 * Altair's dual-license business model allows companies, individuals, and
 * organizations to create proprietary derivative works of OpenPBS and
 * distribute them - whether embedded or bundled with other software -
 * under a commercial license agreement.
 *
 * Use of Altair's trademarks, including but not limited to "PBS™",
 * "OpenPBS®", "PBS Professional®", and "PBS Pro™" and Altair's logos is
 * subject to Altair's trademark licensing policies.
 */

#include "pbs_config.h"

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>
#include "libpbs.h"
#include "log.h"
#include "server_limits.h"
#include "attribute.h"
#include "placementsets.h"
#include "resource.h"
#include "pbs_nodes.h"

#ifdef DEBUG
extern void mom_CPUs_report();
#endif /* DEBUG */

/**
 * @file
 */
/**
 * @brief
 *	creates vnode map
 *
 * @param[in] ctxp - pointer to pointer to vnodes
 *
 * @return 	int
 * @retval 	1	Success
 * @retval 	0 	Failure
 *
 */

int
create_vmap(void **ctxp)
{
	assert(ctxp != NULL);

	if (*ctxp == NULL) {
		if ((*ctxp = pbs_idx_create(0, 0)) == NULL) {
			log_event(PBSEVENT_ERROR, PBS_EVENTCLASS_SERVER, LOG_ERR, __func__, "Failed to create vnode map");
			return 0;
		}
	}

	return (1);
}

/**
 * @brief
 *	destroys the vnode map
 *
 * @param[in] ctx - char pointer to node
 *
 * @return Void
 *
 */
void
destroy_vmap(void *ctx)
{
	assert(ctx != NULL);
	pbs_idx_destroy(ctx);
	ctx = NULL;
}

/**
 * @brief
 *	finds vnode map entry by vnode id
 *
 * @param[in] ctx - char pointer to vnode
 * @param[in] vnid - vnode id
 *
 * @return 	structure handle
 * @retval  	pointer to mominfo_t structure on success else NULL
 *
 */
mominfo_t *
find_vmapent_byID(void *ctx, const char *vnid)
{
	mominfo_t *p;

	if (pbs_idx_find(ctx, (void **) &vnid, (void **) &p, NULL) == PBS_IDX_RET_OK)
		return p;
	return NULL;
}

/**
 * @brief
 *	adds vnode to vnode map by vnode id.
 *
 * @param[in] ctx - char pointer to vnode
 * @param[in] vnid - vnode id
 * @param[in] data - information about vnode
 *
 * @return 	int
 * @retval 	0	Success
 * @retval 	1	Failure
 *
 */
int
add_vmapent_byID(void *ctx, const char *vnid, void *data)
{
	if (pbs_idx_insert(ctx, (void *) vnid, data) != PBS_IDX_RET_OK) {
		log_eventf(PBSEVENT_DEBUG, PBS_EVENTCLASS_SERVER, LOG_DEBUG, __func__, "Failed to add vnode %s in vnodemap", vnid);
		return 1;
	}
	return 0;
}