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Core: Add library revalidation

This commit is contained in:
Vicki Pfau 2017-01-18 17:42:05 -08:00
parent a56fd6016d
commit caee44a592
1 changed files with 50 additions and 4 deletions
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54
src/core/library.c
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@ -21,6 +21,8 @@ struct mLibrary {
sqlite3_stmt* insertRoot;
sqlite3_stmt* selectRom;
sqlite3_stmt* selectRoot;
sqlite3_stmt* deletePath;
sqlite3_stmt* deleteRoot;
sqlite3_stmt* count;
sqlite3_stmt* select;
};
@ -36,6 +38,7 @@ struct mLibrary {
"CASE WHEN :useFilename THEN paths.path = :path ELSE 1 END AND " \
"CASE WHEN :useRoot THEN roots.path = :root ELSE 1 END"
static void _mLibraryDeleteEntry(struct mLibrary* library, struct mLibraryEntry* entry);
static void _mLibraryInsertEntry(struct mLibrary* library, struct mLibraryEntry* entry);
static void _mLibraryAddEntry(struct mLibrary* library, const char* filename, const char* base, struct VFile* vf);
@ -154,12 +157,22 @@ struct mLibrary* mLibraryLoad(const char* path) {
goto error;
}
static const char deleteRoot[] = "DELETE FROM roots WHERE path = ?;";
if (sqlite3_prepare_v2(library->db, deleteRoot, -1, &library->deleteRoot, NULL)) {
goto error;
}
static const char deletePath[] = "DELETE FROM paths WHERE path = ?;";
if (sqlite3_prepare_v2(library->db, deletePath, -1, &library->deletePath, NULL)) {
goto error;
}
static const char selectRom[] = "SELECT romid FROM roms WHERE " CONSTRAINTS_ROMONLY ";";
if (sqlite3_prepare_v2(library->db, selectRom, -1, &library->selectRom, NULL)) {
goto error;
}
static const char selectRoot[] = "SELECT rootid FROM roots WHERE path = ?;";
static const char selectRoot[] = "SELECT rootid FROM roots WHERE path = ? AND CASE WHEN :useMtime THEN mtime <= :mtime ELSE 1 END;";
if (sqlite3_prepare_v2(library->db, selectRoot, -1, &library->selectRoot, NULL)) {
goto error;
}
@ -185,6 +198,8 @@ void mLibraryDestroy(struct mLibrary* library) {
sqlite3_finalize(library->insertPath);
sqlite3_finalize(library->insertRom);
sqlite3_finalize(library->insertRoot);
sqlite3_finalize(library->deletePath);
sqlite3_finalize(library->deleteRoot);
sqlite3_finalize(library->selectRom);
sqlite3_finalize(library->selectRoot);
sqlite3_finalize(library->select);
@ -197,9 +212,35 @@ void mLibraryLoadDirectory(struct mLibrary* library, const char* base) {
if (!dir) {
dir = VDirOpen(base);
}
sqlite3_exec(library->db, "BEGIN TRANSACTION;", NULL, NULL, NULL);
if (!dir) {
sqlite3_clear_bindings(library->deleteRoot);
sqlite3_reset(library->deleteRoot);
sqlite3_bind_text(library->deleteRoot, 1, base, -1, SQLITE_TRANSIENT);
sqlite3_step(library->deleteRoot);
sqlite3_exec(library->db, "COMMIT;", NULL, NULL, NULL);
return;
}
struct mLibraryEntry entry;
memset(&entry, 0, sizeof(entry));
entry.base = base;
struct mLibraryListing entries;
mLibraryListingInit(&entries, 0);
mLibraryGetEntries(library, &entries, 0, 0, &entry);
size_t i;
for (i = 0; i < mLibraryListingSize(&entries); ++i) {
struct mLibraryEntry* current = mLibraryListingGetPointer(&entries, i);
struct VFile* vf = dir->openFile(dir, current->filename, O_RDONLY);
_mLibraryDeleteEntry(library, current);
if (!vf) {
continue;
}
_mLibraryAddEntry(library, current->filename, base, vf);
}
mLibraryListingDeinit(&entries);
dir->rewind(dir);
struct VDirEntry* dirent = dir->listNext(dir);
while (dirent) {
struct VFile* vf = dir->openFile(dir, dirent->name(dirent), O_RDONLY);
@ -211,6 +252,7 @@ void mLibraryLoadDirectory(struct mLibrary* library, const char* base) {
dirent = dir->listNext(dir);
}
dir->close(dir);
sqlite3_exec(library->db, "COMMIT;", NULL, NULL, NULL);
}
void _mLibraryAddEntry(struct mLibrary* library, const char* filename, const char* base, struct VFile* vf) {
@ -242,8 +284,6 @@ void _mLibraryAddEntry(struct mLibrary* library, const char* filename, const cha
}
static void _mLibraryInsertEntry(struct mLibrary* library, struct mLibraryEntry* entry) {
sqlite3_exec(library->db, "BEGIN TRANSACTION;", NULL, NULL, NULL);
sqlite3_clear_bindings(library->selectRom);
sqlite3_reset(library->selectRom);
struct mLibraryEntry constraints = *entry;
@ -286,7 +326,13 @@ static void _mLibraryInsertEntry(struct mLibrary* library, struct mLibraryEntry*
sqlite3_bind_int64(library->insertPath, 4, rootId);
}
sqlite3_step(library->insertPath);
sqlite3_exec(library->db, "COMMIT;", NULL, NULL, NULL);
}
static void _mLibraryDeleteEntry(struct mLibrary* library, struct mLibraryEntry* entry) {
sqlite3_clear_bindings(library->deletePath);
sqlite3_reset(library->deletePath);
sqlite3_bind_text(library->deletePath, 1, entry->filename, -1, SQLITE_TRANSIENT);
sqlite3_step(library->insertPath);
}
size_t mLibraryCount(struct mLibrary* library, const struct mLibraryEntry* constraints) {