objects.h

/*
 * Copyright (c) 2017-2022 Pantacor Ltd.
 *
 * 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.
 */
#ifndef PV_OBJECTS_H
#define PV_OBJECTS_H

#define OBJPATH_FMT "%s/objects/%s"
#define RELPATH_FMT "%s/trails/%s/%s"

#include <stdlib.h>
#include <limits.h>

#include "pantavisor.h"

struct pv_object {
	char *name;
	char *id;
	char *geturl;
	char *objpath;
	char *relpath;
	off_t size;
	char *sha256;
	struct pv_platform *plat;
	struct dl_list list;
	bool uploaded;
};

int pv_objects_id_in_step(struct pv_state *s, char *id);
struct pv_object *pv_objects_add(struct pv_state *s, char *filename, char *id,
				 char *mntpoint);
void pv_objects_remove(struct pv_object *o);
void pv_objects_empty(struct pv_state *s);

char *pv_objects_get_list_string(void);

static inline void pv_object_free(struct pv_object *obj)
{
	if (obj->name)
		free(obj->name);
	if (obj->id)
		free(obj->id);
	if (obj->geturl)
		free(obj->geturl);
	if (obj->objpath)
		free(obj->objpath);
	if (obj->relpath)
		free(obj->relpath);
	if (obj->sha256)
		free(obj->sha256);

	free(obj);
}

#define pv_objects_iter_begin(state, item)                                     \
	{                                                                      \
		struct pv_object *item##__tmp;                                 \
		struct dl_list *item##__head = &(state)->objects;              \
		dl_list_for_each_safe(item, item##__tmp, item##__head,         \
				      struct pv_object, list)

#define pv_objects_iter_end }
#endif // PV_OBJECTS_H