RetroArch/tasks/task_database.c
2015-05-05 20:10:48 +02:00

147 lines
3.6 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <file/file_path.h>
#include <file/dir_list.h>
#include "../file_ext.h"
#include "../file_ops.h"
#include "../menu/menu_driver.h"
#include "../general.h"
#include "../runloop_data.h"
#include "tasks.h"
#ifdef HAVE_LIBRETRODB
#ifdef HAVE_MENU
#ifdef HAVE_ZLIB
static int zlib_compare_crc32(const char *name, const char *valid_exts,
const uint8_t *cdata, unsigned cmode, uint32_t csize, uint32_t size,
uint32_t crc32, void *userdata)
{
RARCH_LOG("CRC32: 0x%x\n", crc32);
return 1;
}
#endif
static int database_info_iterate_rdl_write(
database_info_handle_t *db, const char *name)
{
char parent_dir[PATH_MAX_LENGTH];
bool to_continue = (db->list_ptr < db->list->size);
if (!to_continue)
return -1;
path_parent_dir(parent_dir);
if (!strcmp(path_get_extension(name), "zip"))
{
#ifdef HAVE_ZLIB
RARCH_LOG("[ZIP]: name: %s\n", name);
if (!zlib_parse_file(name, NULL, zlib_compare_crc32,
(void*)parent_dir))
RARCH_LOG("Could not process ZIP file.\n");
#endif
}
else
{
char msg[PATH_MAX_LENGTH];
ssize_t ret;
uint32_t crc, target_crc = 0;
uint8_t *ret_buf = NULL;
int read_from = read_file(name, (void**)&ret_buf, &ret);
(void)target_crc;
if (read_from != 1 || ret <= 0)
return 0;
snprintf(msg, sizeof(msg), "%zu/%zu: Scanning %s...\n",
db->list_ptr, db->list->size, name);
rarch_main_msg_queue_push(msg, 1, 180, true);
#ifdef HAVE_ZLIB
crc = zlib_crc32_calculate(ret_buf, ret);
RARCH_LOG("CRC32: 0x%x .\n", (unsigned)crc);
#endif
if (ret_buf)
free(ret_buf);
}
db->list_ptr++;
return 0;
}
static int database_info_iterate(database_info_handle_t *db)
{
const char *name = NULL;
if (!db || !db->list)
return -1;
name = db->list->elems[db->list_ptr].data;
if (!name)
return 0;
switch (db->type)
{
case DATABASE_TYPE_NONE:
break;
case DATABASE_TYPE_RDL_WRITE:
if (database_info_iterate_rdl_write(db, name) != 0)
{
rarch_main_msg_queue_push("Scanning of directory finished.\n", 0, 180, true);
db->status = DATABASE_STATUS_FREE;
return -1;
}
break;
}
return 0;
}
void rarch_main_data_db_iterate(bool is_thread, void *data)
{
data_runloop_t *runloop = (data_runloop_t*)data;
menu_handle_t *menu = menu_driver_get_ptr();
database_info_handle_t *db = menu ? menu->db : NULL;
if (!db || !menu || !runloop)
return;
switch (db->status)
{
case DATABASE_STATUS_NONE:
break;
case DATABASE_STATUS_ITERATE:
database_info_iterate(db);
break;
case DATABASE_STATUS_FREE:
database_info_free(db);
db = NULL;
break;
}
}
#endif
#endif