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3040d1da36
RetroArch/tasks/task_database.c
twinaphex 3040d1da36 (task_database.c) Simplify conditionals
2017-09-30 06:21:38 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2014-2017 - Jean-André Santoni
* Copyright (C) 2016-2017 - Brad Parker
*
* 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 <compat/strcasestr.h>
#include <compat/strl.h>
#include <retro_miscellaneous.h>
#include <retro_endianness.h>
#include <string/stdstring.h>
#include <lists/dir_list.h>
#include <file/file_path.h>
#include <encodings/crc32.h>
#include <streams/file_stream.h>
#include <streams/chd_stream.h>
#include <streams/interface_stream.h>
#include "tasks_internal.h"
#include "../database_info.h"
#include "../file_path_special.h"
#include "../list_special.h"
#include "../msg_hash.h"
#include "../playlist.h"
#include "../retroarch.h"
#include "../verbosity.h"
#include "../core_info.h"
#ifndef COLLECTION_SIZE
#define COLLECTION_SIZE 99999
#endif
typedef struct database_state_handle
{
uint32_t crc;
uint32_t archive_crc;
size_t list_index;
size_t entry_index;
uint8_t *buf;
char archive_name[511];
char serial[4096];
database_info_list_t *info;
struct string_list *list;
} database_state_handle_t;
typedef struct db_handle
{
bool is_directory;
bool scan_started;
unsigned status;
char *playlist_directory;
char *content_database_path;
char *fullpath;
database_info_handle_t *handle;
database_state_handle_t state;
} db_handle_t;
int cue_find_track(const char *cue_path, bool first,
size_t *offset, size_t *size,
char *track_path, size_t max_len);
bool cue_next_file(intfstream_t *fd, const char *cue_path,
char *path, size_t max_len);
int gdi_find_track(const char *gdi_path, bool first,
char *track_path, size_t max_len);
bool gdi_next_file(intfstream_t *fd, const char *gdi_path,
char *path, size_t max_len);
int detect_system(intfstream_t *fd, const char** system_name);
int detect_ps1_game(intfstream_t *fd, char *game_id);
int detect_psp_game(intfstream_t *fd, char *game_id);
int detect_serial_ascii_game(intfstream_t *fd, char *game_id);
static intfstream_t* intfstream_open_file(const char *path)
{
intfstream_info_t info;
intfstream_t *fd = NULL;
info.type = INTFSTREAM_FILE;
fd = (intfstream_t*)intfstream_init(&info);
if (!fd)
return NULL;
if (!intfstream_open(fd, path, RFILE_MODE_READ, -1))
goto error;
return fd;
error:
if (fd)
{
intfstream_close(fd);
free(fd);
}
return NULL;
}
static intfstream_t *open_memory(void *data, size_t size)
{
intfstream_info_t info;
intfstream_t *fd = NULL;
info.type = INTFSTREAM_MEMORY;
info.memory.buf.data = (uint8_t*)data;
info.memory.buf.size = size;
info.memory.writable = false;
fd = (intfstream_t*)intfstream_init(&info);
if (!fd)
return NULL;
if (!intfstream_open(fd, NULL, RFILE_MODE_READ, -1))
goto error;
return fd;
error:
if (fd)
{
intfstream_close(fd);
free(fd);
}
return NULL;
}
static intfstream_t*
open_chd_track(const char *path, int32_t track)
{
intfstream_info_t info;
intfstream_t *fd = NULL;
info.type = INTFSTREAM_CHD;
info.chd.track = track;
fd = (intfstream_t*)intfstream_init(&info);
if (!fd)
return NULL;
if (!intfstream_open(fd, path, RFILE_MODE_READ, -1))
goto error;
return fd;
error:
if (fd)
{
intfstream_close(fd);
free(fd);
}
return NULL;
}
static void database_info_set_type(
database_info_handle_t *handle,
enum database_type type)
{
if (!handle)
return;
handle->type = type;
}
static enum database_type database_info_get_type(
database_info_handle_t *handle)
{
if (!handle)
return DATABASE_TYPE_NONE;
return handle->type;
}
static const char *database_info_get_current_name(
database_state_handle_t *handle)
{
if (!handle || !handle->list)
return NULL;
return handle->list->elems[handle->list_index].data;
}
static const char *database_info_get_current_element_name(
database_info_handle_t *handle)
{
if (!handle || !handle->list)
return NULL;
/* Skip pruned entries */
while (handle->list->elems[handle->list_ptr].data == NULL)
{
if (++handle->list_ptr >= handle->list->size)
return NULL;
}
return handle->list->elems[handle->list_ptr].data;
}
static int task_database_iterate_start(database_info_handle_t *db,
const char *name)
{
char msg[511];
msg[0] = msg[510] = '\0';
snprintf(msg, sizeof(msg),
STRING_REP_ULONG "/" STRING_REP_ULONG ": %s %s...\n",
#if defined(_WIN32) || defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L && !defined(VITA) &&!defined(WIIU)
db->list_ptr,
db->list->size,
#else
(unsigned long)db->list_ptr,
(unsigned long)db->list->size,
#endif
msg_hash_to_str(MSG_SCANNING),
name);
if (!string_is_empty(msg))
runloop_msg_queue_push(msg, 1, 180, true);
#if 0
RARCH_LOG("msg: %s\n", msg);
#endif
db->status = DATABASE_STATUS_ITERATE;
return 0;
}
static int intfstream_get_serial(intfstream_t *fd, char *serial)
{
const char *system_name = NULL;
/* Check if the system was not auto-detected. */
if (detect_system(fd, &system_name) < 0)
{
/* Attempt to read an ASCII serial, like Wii. */
if (detect_serial_ascii_game(fd, serial))
{
/* ASCII serial (Wii) was detected. */
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
return 0;
}
/* Any other non-system specific detection methods? */
return 0;
}
if (string_is_equal_fast(system_name, "psp", 3))
{
if (detect_psp_game(fd, serial) == 0)
return 0;
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
}
else if (string_is_equal_fast(system_name, "ps1", 3))
{
if (detect_ps1_game(fd, serial) == 0)
return 0;
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
}
else {
return 0;
}
return 1;
}
static bool intfstream_file_get_serial(const char *name,
size_t offset, size_t size, char *serial)
{
int rv;
uint8_t *data = NULL;
ssize_t file_size = -1;
intfstream_t *fd = intfstream_open_file(name);
if (!fd)
return 0;
if (intfstream_seek(fd, 0, SEEK_END) == -1)
goto error;
file_size = intfstream_tell(fd);
if (intfstream_seek(fd, 0, SEEK_SET) == -1)
goto error;
if (file_size < 0)
goto error;
if (offset != 0 || size < (size_t) file_size)
{
if (intfstream_seek(fd, offset, SEEK_SET) == -1)
goto error;
data = (uint8_t*)malloc(size);
if (intfstream_read(fd, data, size) != (ssize_t) size)
{
free(data);
goto error;
}
intfstream_close(fd);
free(fd);
fd = open_memory(data, size);
if (!fd)
{
free(data);
return 0;
}
}
rv = intfstream_get_serial(fd, serial);
intfstream_close(fd);
free(data);
free(fd);
return rv;
error:
intfstream_close(fd);
free(fd);
return 0;
}
static int task_database_cue_get_serial(const char *name, char* serial)
{
char *track_path = (char*)malloc(PATH_MAX_LENGTH
* sizeof(char));
int ret = 0;
size_t offset = 0;
size_t size = 0;
int rv = 0;
track_path[0] = '\0';
rv = cue_find_track(name, true, &offset, &size, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
ret = intfstream_file_get_serial(track_path, offset, size, serial);
free(track_path);
return ret;
}
static int task_database_gdi_get_serial(const char *name, char* serial)
{
char *track_path = (char*)malloc(PATH_MAX_LENGTH
* sizeof(char));
int ret = 0;
int rv = 0;
track_path[0] = '\0';
rv = gdi_find_track(name, true, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
ret = intfstream_file_get_serial(track_path, 0, SIZE_MAX, serial);
free(track_path);
return ret;
}
static int task_database_chd_get_serial(const char *name, char* serial)
{
int result;
intfstream_t *fd = open_chd_track(name, CHDSTREAM_TRACK_FIRST_DATA);
if (!fd)
return 0;
result = intfstream_get_serial(fd, serial);
intfstream_close(fd);
free(fd);
return result;
}
static int intfstream_get_crc(intfstream_t *fd, uint32_t *crc)
{
ssize_t read = 0;
uint32_t acc = 0;
uint8_t buffer[4096];
while ((read = intfstream_read(fd, buffer, sizeof(buffer))) > 0)
acc = encoding_crc32(acc, buffer, read);
if (read < 0)
return 0;
*crc = acc;
return 1;
}
static bool intfstream_file_get_crc(const char *name,
size_t offset, size_t size, uint32_t *crc)
{
int rv;
intfstream_t *fd = intfstream_open_file(name);
uint8_t *data = NULL;
ssize_t file_size = -1;
if (!fd)
return 0;
if (intfstream_seek(fd, 0, SEEK_END) == -1)
goto error;
file_size = intfstream_tell(fd);
if (intfstream_seek(fd, 0, SEEK_SET) == -1)
goto error;
if (file_size < 0)
goto error;
if (offset != 0 || size < (size_t) file_size)
{
if (intfstream_seek(fd, offset, SEEK_SET) == -1)
goto error;
data = (uint8_t*)malloc(size);
if (intfstream_read(fd, data, size) != (ssize_t) size)
goto error;
intfstream_close(fd);
free(fd);
fd = open_memory(data, size);
if (!fd)
goto error;
}
rv = intfstream_get_crc(fd, crc);
intfstream_close(fd);
free(fd);
free(data);
return rv;
error:
if (fd)
{
intfstream_close(fd);
free(fd);
}
if (data)
free(data);
return 0;
}
static int task_database_cue_get_crc(const char *name, uint32_t *crc)
{
char *track_path = (char *)malloc(PATH_MAX_LENGTH);
size_t offset = 0;
size_t size = 0;
int rv = 0;
track_path[0] = '\0';
rv = cue_find_track(name, false, &offset, &size,
track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("CUE '%s' primary track: %s\n (%Zu, %Zu)", name, track_path, offset, size);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
rv = intfstream_file_get_crc(track_path, offset, size, crc);
if (rv == 1)
{
RARCH_LOG("CUE '%s' crc: %x\n", name, *crc);
}
free(track_path);
return rv;
}
static int task_database_gdi_get_crc(const char *name, uint32_t *crc)
{
char *track_path = (char *)malloc(PATH_MAX_LENGTH);
int rv = 0;
track_path[0] = '\0';
rv = gdi_find_track(name, false, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n", msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("GDI '%s' primary track: %s\n", name, track_path);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
rv = intfstream_file_get_crc(track_path, 0, SIZE_MAX, crc);
if (rv == 1)
{
RARCH_LOG("GDI '%s' crc: %x\n", name, *crc);
}
free(track_path);
return rv;
}
static bool task_database_chd_get_crc(const char *name, uint32_t *crc)
{
int rv;
intfstream_t *fd = open_chd_track(name, CHDSTREAM_TRACK_PRIMARY);
if (!fd)
return 0;
rv = intfstream_get_crc(fd, crc);
if (rv == 1)
{
RARCH_LOG("CHD '%s' crc: %x\n", name, *crc);
}
if (fd)
{
intfstream_close(fd);
free(fd);
}
return rv;
}
static void task_database_cue_prune(database_info_handle_t *db,
const char *name)
{
size_t i;
char *path = (char *)malloc(PATH_MAX_LENGTH + 1);
intfstream_t *fd = intfstream_open_file(name);
if (!fd)
goto end;
while (cue_next_file(fd, name, path, PATH_MAX_LENGTH))
{
for (i = db->list_ptr; i < db->list->size; ++i)
{
if (db->list->elems[i].data
&& !strcmp(path, db->list->elems[i].data))
{
RARCH_LOG("Pruning file referenced by cue: %s\n", path);
free(db->list->elems[i].data);
db->list->elems[i].data = NULL;
}
}
}
end:
if (fd)
{
intfstream_close(fd);
free(fd);
}
free(path);
}
static void gdi_prune(database_info_handle_t *db, const char *name)
{
size_t i;
char *path = (char *)malloc(PATH_MAX_LENGTH + 1);
intfstream_t *fd = intfstream_open_file(name);
if (!fd)
goto end;
while (gdi_next_file(fd, name, path, PATH_MAX_LENGTH))
{
for (i = db->list_ptr; i < db->list->size; ++i)
{
if (db->list->elems[i].data && !strcmp(path, db->list->elems[i].data))
{
RARCH_LOG("Pruning file referenced by gdi: %s\n", path);
free(db->list->elems[i].data);
db->list->elems[i].data = NULL;
}
}
}
end:
free(fd);
free(path);
}
static int task_database_iterate_playlist(
database_state_handle_t *db_state,
database_info_handle_t *db, const char *name)
{
switch (msg_hash_to_file_type(msg_hash_calculate(path_get_extension(name))))
{
case FILE_TYPE_COMPRESSED:
#ifdef HAVE_COMPRESSION
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
/* first check crc of archive itself */
return intfstream_file_get_crc(name,
0, SIZE_MAX, &db_state->archive_crc);
#else
break;
#endif
case FILE_TYPE_CUE:
task_database_cue_prune(db, name);
db_state->serial[0] = '\0';
if (task_database_cue_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_cue_get_crc(name, &db_state->crc);
}
break;
case FILE_TYPE_GDI:
gdi_prune(db, name);
db_state->serial[0] = '\0';
/* There are no serial databases, so don't bother with
serials at the moment */
if (0 && task_database_gdi_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_gdi_get_crc(name, &db_state->crc);
}
break;
case FILE_TYPE_ISO:
db_state->serial[0] = '\0';
intfstream_file_get_serial(name, 0, SIZE_MAX, db_state->serial);
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
break;
case FILE_TYPE_CHD:
db_state->serial[0] = '\0';
if (task_database_chd_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_chd_get_crc(name, &db_state->crc);
}
break;
case FILE_TYPE_LUTRO:
database_info_set_type(db, DATABASE_TYPE_ITERATE_LUTRO);
break;
default:
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return intfstream_file_get_crc(name, 0, SIZE_MAX, &db_state->crc);
}
return 1;
}
static int database_info_list_iterate_end_no_match(
database_info_handle_t *db,
database_state_handle_t *db_state,
const char *path)
{
/* Reached end of database list,
* CRC match probably didn't succeed. */
/* If this was a compressed file and no match in the database
* list was found then expand the search list to include the
* archive's contents. */
if (path_is_compressed_file(path) && !path_contains_compressed_file(path))
{
struct string_list *archive_list =
file_archive_get_file_list(path, NULL);
if (archive_list && archive_list->size > 0)
{
unsigned i;
for (i = 0; i < archive_list->size; i++)
{
char *new_path = (char*)malloc(
PATH_MAX_LENGTH * sizeof(char));
size_t path_size = PATH_MAX_LENGTH * sizeof(char);
size_t path_len = strlen(path);
new_path[0] = '\0';
strlcpy(new_path, path, path_size);
if (path_len + strlen(archive_list->elems[i].data)
+ 1 < PATH_MAX_LENGTH)
{
new_path[path_len] = '#';
strlcpy(new_path + path_len + 1,
archive_list->elems[i].data,
path_size - path_len);
}
string_list_append(db->list, new_path,
archive_list->elems[i].attr);
free(new_path);
}
string_list_free(archive_list);
}
}
db_state->list_index = 0;
db_state->entry_index = 0;
if (db_state->crc != 0)
db_state->crc = 0;
return 0;
}
static int task_database_iterate_next(database_info_handle_t *db)
{
db->list_ptr++;
if (db->list_ptr < db->list->size)
return 0;
return -1;
}
static int database_info_list_iterate_new(database_state_handle_t *db_state,
const char *query)
{
const char *new_database = database_info_get_current_name(db_state);
#if 0
RARCH_LOG("Check database [%d/%d] : %s\n", (unsigned)db_state->list_index,
(unsigned)db_state->list->size, new_database);
#endif
if (db_state->info)
{
database_info_list_free(db_state->info);
free(db_state->info);
}
db_state->info = database_info_list_new(new_database, query);
return 0;
}
static int database_info_list_iterate_found_match(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *archive_name
)
{
char *db_crc = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *db_playlist_base_str = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *db_playlist_path = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *entry_path_str = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
playlist_t *playlist = NULL;
const char *db_path =
database_info_get_current_name(db_state);
const char *entry_path =
database_info_get_current_element_name(db);
database_info_t *db_info_entry =
&db_state->info->list[db_state->entry_index];
db_crc[0] = '\0';
db_playlist_path[0] = '\0';
db_playlist_base_str[0] = '\0';
entry_path_str[0] = '\0';
fill_short_pathname_representation_noext(db_playlist_base_str,
db_path, PATH_MAX_LENGTH * sizeof(char));
strlcat(db_playlist_base_str,
file_path_str(FILE_PATH_LPL_EXTENSION),
PATH_MAX_LENGTH * sizeof(char));
if (!string_is_empty(_db->playlist_directory))
fill_pathname_join(db_playlist_path, _db->playlist_directory,
db_playlist_base_str, PATH_MAX_LENGTH * sizeof(char));
playlist = playlist_init(db_playlist_path, COLLECTION_SIZE);
snprintf(db_crc, PATH_MAX_LENGTH * sizeof(char),
"%08X|crc", db_info_entry->crc32);
if (entry_path)
strlcpy(entry_path_str, entry_path, PATH_MAX_LENGTH * sizeof(char));
if (!string_is_empty(archive_name))
fill_pathname_join_delim(entry_path_str,
entry_path_str, archive_name,
'#', PATH_MAX_LENGTH * sizeof(char));
#if 0
RARCH_LOG("Found match in database !\n");
RARCH_LOG("Path: %s\n", db_path);
RARCH_LOG("CRC : %s\n", db_crc);
RARCH_LOG("Playlist Path: %s\n", db_playlist_path);
RARCH_LOG("Entry Path: %s\n", entry_path);
RARCH_LOG("Playlist not NULL: %d\n", playlist != NULL);
RARCH_LOG("ZIP entry: %s\n", archive_name);
RARCH_LOG("entry path str: %s\n", entry_path_str);
#endif
if(!playlist_entry_exists(playlist, entry_path_str, db_crc))
{
playlist_push(playlist, entry_path_str,
db_info_entry->name,
file_path_str(FILE_PATH_DETECT),
file_path_str(FILE_PATH_DETECT),
db_crc, db_playlist_base_str);
}
playlist_write_file(playlist);
playlist_free(playlist);
database_info_list_free(db_state->info);
free(db_state->info);
db_state->info = NULL;
db_state->crc = 0;
free(entry_path_str);
free(db_playlist_path);
free(db_playlist_base_str);
free(db_crc);
return 0;
}
/* End of entries in database info list and didn't find a
* match, go to the next database. */
static int database_info_list_iterate_next(
database_state_handle_t *db_state
)
{
db_state->list_index++;
db_state->entry_index = 0;
database_info_list_free(db_state->info);
free(db_state->info);
db_state->info = NULL;
return 1;
}
static int task_database_iterate_crc_lookup(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *name,
const char *archive_entry)
{
if (!db_state->list ||
(unsigned)db_state->list_index == (unsigned)db_state->list->size)
return database_info_list_iterate_end_no_match(db, db_state, name);
if (db_state->entry_index == 0)
{
char query[50];
query[0] = '\0';
/* don't scan files that can't be in this database */
if (!core_info_database_supports_content_path(
db_state->list->elems[db_state->list_index].data, name))
return database_info_list_iterate_next(db_state);
snprintf(query, sizeof(query),
"{crc:or(b\"%08X\",b\"%08X\")}",
db_state->crc, db_state->archive_crc);
database_info_list_iterate_new(db_state, query);
}
if (db_state->info)
{
database_info_t *db_info_entry =
&db_state->info->list[db_state->entry_index];
if (db_info_entry && db_info_entry->crc32)
{
#if 0
RARCH_LOG("CRC32: 0x%08X , entry CRC32: 0x%08X (%s).\n",
db_state->crc, db_info_entry->crc32, db_info_entry->name);
#endif
if (db_state->archive_crc == db_info_entry->crc32)
return database_info_list_iterate_found_match(
_db,
db_state, db, NULL);
if (db_state->crc == db_info_entry->crc32)
return database_info_list_iterate_found_match(
_db,
db_state, db, archive_entry);
}
}
db_state->entry_index++;
if (db_state->info)
{
if (db_state->entry_index >= db_state->info->count)
return database_info_list_iterate_next(db_state);
}
/* If we haven't reached the end of the database list yet,
* continue iterating. */
if (db_state->list_index < db_state->list->size)
return 1;
database_info_list_free(db_state->info);
if (db_state->info)
free(db_state->info);
return 0;
}
static int task_database_iterate_playlist_archive(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db, const char *name)
{
#ifdef HAVE_COMPRESSION
if (db_state->crc != 0)
return task_database_iterate_crc_lookup(
_db, db_state, db, name, db_state->archive_name);
db_state->crc = file_archive_get_file_crc32(name);
#endif
return 1;
}
static int task_database_iterate_playlist_lutro(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *path)
{
char *db_playlist_path = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
playlist_t *playlist = NULL;
db_playlist_path[0] = '\0';
if (!string_is_empty(_db->playlist_directory))
fill_pathname_join(db_playlist_path,
_db->playlist_directory,
file_path_str(FILE_PATH_LUTRO_PLAYLIST),
PATH_MAX_LENGTH * sizeof(char));
playlist = playlist_init(db_playlist_path, COLLECTION_SIZE);
free(db_playlist_path);
if(!playlist_entry_exists(playlist,
path, file_path_str(FILE_PATH_DETECT)))
{
char *game_title = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
game_title[0] = '\0';
fill_short_pathname_representation_noext(game_title,
path, PATH_MAX_LENGTH * sizeof(char));
playlist_push(playlist, path,
game_title,
file_path_str(FILE_PATH_DETECT),
file_path_str(FILE_PATH_DETECT),
file_path_str(FILE_PATH_DETECT),
file_path_str(FILE_PATH_LUTRO_PLAYLIST));
free(game_title);
}
playlist_write_file(playlist);
playlist_free(playlist);
return 0;
}
static int task_database_iterate_serial_lookup(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db, const char *name)
{
if (!db_state->list ||
(unsigned)db_state->list_index == (unsigned)db_state->list->size)
return database_info_list_iterate_end_no_match(db, db_state, name);
if (db_state->entry_index == 0)
{
char query[50];
char *serial_buf =
bin_to_hex_alloc((uint8_t*)db_state->serial, 10 * sizeof(uint8_t));
if (!serial_buf)
return 1;
query[0] = '\0';
snprintf(query, sizeof(query), "{'serial': b'%s'}", serial_buf);
database_info_list_iterate_new(db_state, query);
free(serial_buf);
}
if (db_state->info)
{
database_info_t *db_info_entry = &db_state->info->list[
db_state->entry_index];
if (db_info_entry && db_info_entry->serial)
{
#if 0
RARCH_LOG("serial: %s , entry serial: %s (%s).\n",
db_state->serial, db_info_entry->serial,
db_info_entry->name);
#endif
if (string_is_equal(db_state->serial, db_info_entry->serial))
return database_info_list_iterate_found_match(_db,
db_state, db, NULL);
}
}
db_state->entry_index++;
if (db_state->info)
{
if (db_state->entry_index >= db_state->info->count)
return database_info_list_iterate_next(db_state);
}
/* If we haven't reached the end of the database list yet,
* continue iterating. */
if (db_state->list_index < db_state->list->size)
return 1;
database_info_list_free(db_state->info);
free(db_state->info);
return 0;
}
static int task_database_iterate(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db)
{
const char *name = database_info_get_current_element_name(db);
if (!name)
return 0;
if (database_info_get_type(db) == DATABASE_TYPE_ITERATE)
if (path_contains_compressed_file(name))
database_info_set_type(db, DATABASE_TYPE_ITERATE_ARCHIVE);
switch (database_info_get_type(db))
{
case DATABASE_TYPE_ITERATE:
return task_database_iterate_playlist(db_state, db, name);
case DATABASE_TYPE_ITERATE_ARCHIVE:
return task_database_iterate_playlist_archive(_db, db_state, db, name);
case DATABASE_TYPE_ITERATE_LUTRO:
return task_database_iterate_playlist_lutro(_db, db_state, db, name);
case DATABASE_TYPE_SERIAL_LOOKUP:
return task_database_iterate_serial_lookup(_db, db_state, db, name);
case DATABASE_TYPE_CRC_LOOKUP:
return task_database_iterate_crc_lookup(_db, db_state, db, name, NULL);
case DATABASE_TYPE_NONE:
default:
break;
}
return 0;
}
static void task_database_cleanup_state(
database_state_handle_t *db_state)
{
if (!db_state)
return;
if (db_state->buf)
free(db_state->buf);
db_state->buf = NULL;
}
static void task_database_handler(retro_task_t *task)
{
const char *name = NULL;
database_info_handle_t *dbinfo = NULL;
database_state_handle_t *dbstate = NULL;
db_handle_t *db = NULL;
if (!task)
goto task_finished;
db = (db_handle_t*)task->state;
if (!db)
goto task_finished;
if (!db->scan_started)
{
db->scan_started = true;
if (!string_is_empty(db->fullpath))
{
if (db->is_directory)
db->handle = database_info_dir_init(db->fullpath, DATABASE_TYPE_ITERATE, task);
else
db->handle = database_info_file_init(db->fullpath, DATABASE_TYPE_ITERATE, task);
}
task_free_title(task);
if (db->handle)
db->handle->status = DATABASE_STATUS_ITERATE_BEGIN;
}
dbinfo = db->handle;
dbstate = &db->state;
if (!dbinfo || task_get_cancelled(task))
goto task_finished;
switch (dbinfo->status)
{
case DATABASE_STATUS_ITERATE_BEGIN:
if (dbstate && !dbstate->list)
{
if (!string_is_empty(db->content_database_path))
dbstate->list = dir_list_new_special(
db->content_database_path,
DIR_LIST_DATABASES, NULL);
/* If the scan path matches a database path exactly then
* save time by only processing that database. */
if (dbstate->list && db->is_directory)
{
size_t i;
char *dirname = NULL;
if (!string_is_empty(db->fullpath))
dirname = find_last_slash(db->fullpath) + 1;
for (i = 0; i < dbstate->list->size; i++)
{
char *dbname;
char *dbpath = strdup(dbstate->list->elems[i].data);
path_remove_extension(dbpath);
dbname = find_last_slash(dbpath) + 1;
if (strcasecmp(dbname, dirname) == 0)
{
struct string_list *single_list = NULL;
free(dbpath);
single_list = string_list_new();
string_list_append(single_list, dbstate->list->elems[i].data,
dbstate->list->elems[i].attr);
dir_list_free(dbstate->list);
dbstate->list = single_list;
break;
}
else
{
free(dbpath);
}
}
}
}
dbinfo->status = DATABASE_STATUS_ITERATE_START;
break;
case DATABASE_STATUS_ITERATE_START:
name = database_info_get_current_element_name(dbinfo);
task_database_cleanup_state(dbstate);
dbstate->list_index = 0;
dbstate->entry_index = 0;
task_database_iterate_start(dbinfo, name);
break;
case DATABASE_STATUS_ITERATE:
if (task_database_iterate(db, dbstate, dbinfo) == 0)
{
dbinfo->status = DATABASE_STATUS_ITERATE_NEXT;
dbinfo->type = DATABASE_TYPE_ITERATE;
}
break;
case DATABASE_STATUS_ITERATE_NEXT:
if (task_database_iterate_next(dbinfo) == 0)
{
dbinfo->status = DATABASE_STATUS_ITERATE_START;
dbinfo->type = DATABASE_TYPE_ITERATE;
}
else
{
runloop_msg_queue_push(
msg_hash_to_str(MSG_SCANNING_OF_DIRECTORY_FINISHED),
0, 180, true);
goto task_finished;
}
break;
default:
case DATABASE_STATUS_FREE:
case DATABASE_STATUS_NONE:
goto task_finished;
}
return;
task_finished:
if (task)
task_set_finished(task, true);
if (dbstate)
{
if (dbstate->list)
dir_list_free(dbstate->list);
}
if (db)
{
if (!string_is_empty(db->playlist_directory))
free(db->playlist_directory);
if (!string_is_empty(db->content_database_path))
free(db->content_database_path);
if (!string_is_empty(db->fullpath))
free(db->fullpath);
if (db->state.buf)
free(db->state.buf);
if (db->handle)
database_info_free(db->handle);
free(db);
}
if (dbinfo)
free(dbinfo);
}
bool task_push_dbscan(
const char *playlist_directory,
const char *content_database,
const char *fullpath,
bool directory, retro_task_callback_t cb)
{
retro_task_t *t = (retro_task_t*)calloc(1, sizeof(*t));
db_handle_t *db = (db_handle_t*)calloc(1, sizeof(db_handle_t));
if (!t || !db)
goto error;
t->handler = task_database_handler;
t->state = db;
t->callback = cb;
t->title = strdup(msg_hash_to_str(MSG_PREPARING_FOR_CONTENT_SCAN));
db->is_directory = directory;
db->playlist_directory = NULL;
db->fullpath = strdup(fullpath);
db->playlist_directory = strdup(playlist_directory);
db->content_database_path = strdup(content_database);
task_queue_push(t);
return true;
error:
if (t)
free(t);
if (db)
free(db);
return false;
}
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