ikptr
ik_sqlite3_wal_autocheckpoint (ikptr s_conn, ikptr s_number_of_frames, ikpcb * pcb)
{
#ifdef HAVE_SQLITE3_WAL_AUTOCHECKPOINT
sqlite3 * conn = IK_SQLITE_CONNECTION(s_conn);
int number_of_frames= ik_integer_to_int(s_number_of_frames);
int rv;
rv = sqlite3_wal_autocheckpoint(conn, number_of_frames);
return ika_integer_from_sqlite_errcode(pcb, rv);
#else
feature_failure(__func__);
#endif
}
static int openDatabase(
const char *zFilename, /* Database filename UTF-8 encoded */
sqlite3 **ppDb, /* OUT: Returned database handle */
unsigned int flags, /* Operational flags */
const char *zVfs /* Name of the VFS to use */
){
sqlite3 *db; /* Store allocated handle here */
int rc; /* Return code */
int isThreadsafe; /* True for threadsafe connections */
char *zOpen = 0; /* Filename argument to pass to BtreeOpen() */
char *zErrMsg = 0; /* Error message from sqlite3ParseUri() */
#ifdef SQLITE_ENABLE_API_ARMOR
if( ppDb==0 ) return SQLITE_MISUSE_BKPT;
#endif
*ppDb = 0;
#ifndef SQLITE_OMIT_AUTOINIT
rc = sqlite3_initialize();
if( rc ) return rc;
#endif
/* Only allow sensible combinations of bits in the flags argument.
** Throw an error if any non-sense combination is used. If we
** do not block illegal combinations here, it could trigger
** assert() statements in deeper layers. Sensible combinations
** are:
**
** 1: SQLITE_OPEN_READONLY
** 2: SQLITE_OPEN_READWRITE
** 6: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE
*/
assert( SQLITE_OPEN_READONLY == 0x01 );
assert( SQLITE_OPEN_READWRITE == 0x02 );
assert( SQLITE_OPEN_CREATE == 0x04 );
testcase( (1<<(flags&7))==0x02 ); /* READONLY */
testcase( (1<<(flags&7))==0x04 ); /* READWRITE */
testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */
if( ((1<<(flags&7)) & 0x46)==0 ){
return SQLITE_MISUSE_BKPT; /* IMP: R-65497-44594 */
}
if( sqlite3GlobalConfig.bCoreMutex==0 ){
isThreadsafe = 0;
}else if( flags & SQLITE_OPEN_NOMUTEX ){
isThreadsafe = 0;
}else if( flags & SQLITE_OPEN_FULLMUTEX ){
isThreadsafe = 1;
}else{
isThreadsafe = sqlite3GlobalConfig.bFullMutex;
}
if( flags & SQLITE_OPEN_PRIVATECACHE ){
flags &= ~SQLITE_OPEN_SHAREDCACHE;
}else if( sqlite3GlobalConfig.sharedCacheEnabled ){
flags |= SQLITE_OPEN_SHAREDCACHE;
}
/* Remove harmful bits from the flags parameter
**
** The SQLITE_OPEN_NOMUTEX and SQLITE_OPEN_FULLMUTEX flags were
** dealt with in the previous code block. Besides these, the only
** valid input flags for sqlite3_open_v2() are SQLITE_OPEN_READONLY,
** SQLITE_OPEN_READWRITE, SQLITE_OPEN_CREATE, SQLITE_OPEN_SHAREDCACHE,
** SQLITE_OPEN_PRIVATECACHE, and some reserved bits. Silently mask
** off all other flags.
*/
flags &= ~( SQLITE_OPEN_DELETEONCLOSE |
SQLITE_OPEN_EXCLUSIVE |
SQLITE_OPEN_MAIN_DB |
SQLITE_OPEN_TEMP_DB |
SQLITE_OPEN_TRANSIENT_DB |
SQLITE_OPEN_MAIN_JOURNAL |
SQLITE_OPEN_TEMP_JOURNAL |
SQLITE_OPEN_SUBJOURNAL |
SQLITE_OPEN_MASTER_JOURNAL |
SQLITE_OPEN_NOMUTEX |
SQLITE_OPEN_FULLMUTEX |
SQLITE_OPEN_WAL
);
/* Allocate the sqlite data structure */
db = sqlite3MallocZero( sizeof(sqlite3) );
if( db==0 ) goto opendb_out;
if( isThreadsafe ){
db->mutex = sqlite3MutexAlloc(SQLITE_MUTEX_RECURSIVE);
if( db->mutex==0 ){
sqlite3_free(db);
db = 0;
goto opendb_out;
}
}
sqlite3_mutex_enter(db->mutex);
db->errMask = 0xff;
db->nDb = 2;
db->magic = SQLITE_MAGIC_BUSY;
db->aDb = db->aDbStatic;
assert( sizeof(db->aLimit)==sizeof(aHardLimit) );
memcpy(db->aLimit, aHardLimit, sizeof(db->aLimit));
db->aLimit[SQLITE_LIMIT_WORKER_THREADS] = SQLITE_DEFAULT_WORKER_THREADS;
db->autoCommit = 1;
db->nextAutovac = -1;
db->szMmap = sqlite3GlobalConfig.szMmap;
db->nextPagesize = 0;
db->nMaxSorterMmap = 0x7FFFFFFF;
db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_CacheSpill
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
| SQLITE_AutoIndex
#endif
#if SQLITE_DEFAULT_CKPTFULLFSYNC
| SQLITE_CkptFullFSync
#endif
#if SQLITE_DEFAULT_FILE_FORMAT<4
| SQLITE_LegacyFileFmt
#endif
#ifdef SQLITE_ENABLE_LOAD_EXTENSION
| SQLITE_LoadExtension
#endif
#if SQLITE_DEFAULT_RECURSIVE_TRIGGERS
| SQLITE_RecTriggers
#endif
#if defined(SQLITE_DEFAULT_FOREIGN_KEYS) && SQLITE_DEFAULT_FOREIGN_KEYS
| SQLITE_ForeignKeys
#endif
#if defined(SQLITE_REVERSE_UNORDERED_SELECTS)
| SQLITE_ReverseOrder
#endif
;
sqlite3HashInit(&db->aCollSeq);
#ifndef SQLITE_OMIT_VIRTUALTABLE
sqlite3HashInit(&db->aModule);
#endif
/* Add the default collation sequence BINARY. BINARY works for both UTF-8
** and UTF-16, so add a version for each to avoid any unnecessary
** conversions. The only error that can occur here is a malloc() failure.
**
** EVIDENCE-OF: R-52786-44878 SQLite defines three built-in collating
** functions:
*/
createCollation(db, "BINARY", SQLITE_UTF8, 0, binCollFunc, 0);
createCollation(db, "BINARY", SQLITE_UTF16BE, 0, binCollFunc, 0);
createCollation(db, "BINARY", SQLITE_UTF16LE, 0, binCollFunc, 0);
createCollation(db, "NOCASE", SQLITE_UTF8, 0, nocaseCollatingFunc, 0);
createCollation(db, "RTRIM", SQLITE_UTF8, (void*)1, binCollFunc, 0);
if( db->mallocFailed ){
goto opendb_out;
}
/* EVIDENCE-OF: R-08308-17224 The default collating function for all
** strings is BINARY.
*/
db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, "BINARY", 0);
assert( db->pDfltColl!=0 );
/* Parse the filename/URI argument. */
db->openFlags = flags;
rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg);
if( rc!=SQLITE_OK ){
if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;
sqlite3ErrorWithMsg(db, rc, zErrMsg ? "%s" : 0, zErrMsg);
sqlite3_free(zErrMsg);
goto opendb_out;
}
/* Open the backend database driver */
rc = sqlite3BtreeOpen(db->pVfs, zOpen, db, &db->aDb[0].pBt, 0,
flags | SQLITE_OPEN_MAIN_DB);
if( rc!=SQLITE_OK ){
if( rc==SQLITE_IOERR_NOMEM ){
rc = SQLITE_NOMEM;
}
sqlite3Error(db, rc);
goto opendb_out;
}
sqlite3BtreeEnter(db->aDb[0].pBt);
db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt);
if( !db->mallocFailed ) ENC(db) = SCHEMA_ENC(db);
sqlite3BtreeLeave(db->aDb[0].pBt);
db->aDb[1].pSchema = sqlite3SchemaGet(db, 0);
/* The default safety_level for the main database is 'full'; for the temp
** database it is 'NONE'. This matches the pager layer defaults.
*/
db->aDb[0].zName = "main";
db->aDb[0].safety_level = 3;
db->aDb[1].zName = "temp";
db->aDb[1].safety_level = 1;
db->magic = SQLITE_MAGIC_OPEN;
if( db->mallocFailed ){
goto opendb_out;
}
/* Register all built-in functions, but do not attempt to read the
** database schema yet. This is delayed until the first time the database
** is accessed.
*/
sqlite3Error(db, SQLITE_OK);
sqlite3RegisterBuiltinFunctions(db);
/* Load automatic extensions - extensions that have been registered
** using the sqlite3_automatic_extension() API.
*/
rc = sqlite3_errcode(db);
if( rc==SQLITE_OK ){
sqlite3AutoLoadExtensions(db);
rc = sqlite3_errcode(db);
if( rc!=SQLITE_OK ){
goto opendb_out;
}
}
#ifdef SQLITE_ENABLE_FTS1
if( !db->mallocFailed ){
extern int sqlite3Fts1Init(sqlite3*);
rc = sqlite3Fts1Init(db);
}
#endif
#ifdef SQLITE_ENABLE_FTS2
if( !db->mallocFailed && rc==SQLITE_OK ){
extern int sqlite3Fts2Init(sqlite3*);
rc = sqlite3Fts2Init(db);
}
#endif
#ifdef SQLITE_ENABLE_FTS3
if( !db->mallocFailed && rc==SQLITE_OK ){
rc = sqlite3Fts3Init(db);
}
#endif
#ifdef SQLITE_ENABLE_ICU
if( !db->mallocFailed && rc==SQLITE_OK ){
rc = sqlite3IcuInit(db);
}
#endif
#ifdef SQLITE_ENABLE_RTREE
if( !db->mallocFailed && rc==SQLITE_OK){
rc = sqlite3RtreeInit(db);
}
#endif
#ifdef SQLITE_ENABLE_DBSTAT_VTAB
if( !db->mallocFailed && rc==SQLITE_OK){
int sqlite3_dbstat_register(sqlite3*);
rc = sqlite3_dbstat_register(db);
}
#endif
/* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking
** mode. -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking
** mode. Doing nothing at all also makes NORMAL the default.
*/
#ifdef SQLITE_DEFAULT_LOCKING_MODE
db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE;
sqlite3PagerLockingMode(sqlite3BtreePager(db->aDb[0].pBt),
SQLITE_DEFAULT_LOCKING_MODE);
#endif
if( rc ) sqlite3Error(db, rc);
/* Enable the lookaside-malloc subsystem */
setupLookaside(db, 0, sqlite3GlobalConfig.szLookaside,
sqlite3GlobalConfig.nLookaside);
sqlite3_wal_autocheckpoint(db, SQLITE_DEFAULT_WAL_AUTOCHECKPOINT);
opendb_out:
sqlite3_free(zOpen);
if( db ){
assert( db->mutex!=0 || isThreadsafe==0
|| sqlite3GlobalConfig.bFullMutex==0 );
sqlite3_mutex_leave(db->mutex);
}
rc = sqlite3_errcode(db);
assert( db!=0 || rc==SQLITE_NOMEM );
if( rc==SQLITE_NOMEM ){
sqlite3_close(db);
db = 0;
}else if( rc!=SQLITE_OK ){
db->magic = SQLITE_MAGIC_SICK;
}
*ppDb = db;
#ifdef SQLITE_ENABLE_SQLLOG
if( sqlite3GlobalConfig.xSqllog ){
/* Opening a db handle. Fourth parameter is passed 0. */
void *pArg = sqlite3GlobalConfig.pSqllogArg;
sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0);
}
#endif
return sqlite3ApiExit(0, rc);
}
/* public native void dbopen(String path, int flags, String locale); */
static void dbopen(JNIEnv* env, jobject object, jstring pathString, jint flags)
{
int err;
sqlite3 * handle = NULL;
sqlite3_stmt * statement = NULL;
char const * path8 = env->GetStringUTFChars(pathString, NULL);
int sqliteFlags;
// Error code handling for SQLite exec
char* zErrMsg = NULL;
// register the logging func on sqlite. needs to be done BEFORE any sqlite3 func is called.
registerLoggingFunc(path8);
// convert our flags into the sqlite flags
if (flags & CREATE_IF_NECESSARY) {
sqliteFlags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
} else if (flags & OPEN_READONLY) {
sqliteFlags = SQLITE_OPEN_READONLY;
} else {
sqliteFlags = SQLITE_OPEN_READWRITE;
}
err = sqlite3_open_v2(path8, &handle, sqliteFlags, NULL);
if (err != SQLITE_OK) {
LOGE("sqlite3_open_v2(\"%s\", &handle, %d, NULL) failed\n", path8, sqliteFlags);
throw_sqlite3_exception(env, handle);
goto done;
}
// WAL is a new rollback method available in SQLite v3.7+. WAL speeds up writes to
// SQLite databases. WAL cannot be used with Read Only databases or databases opened
// in read only mode.
// Check if DB can use WAL mode; Open in WAL mode for non-ReadOnly DBs
if(!(flags & OPEN_READONLY) && (use_wal_mode(path8))) {
// Configure databases to run in WAL mode.
err = sqlite3_exec(handle,"PRAGMA journal_mode = WAL;",
NULL, NULL,&zErrMsg);
if (SQLITE_OK != err) {
LOGE("sqlite3_exec - Failed to set WAL mode for [%s] \n", path8);
err = sqlite3_exec(handle,"PRAGMA journal_mode = DELETE;",
NULL, NULL,&zErrMsg);
if(SQLITE_OK != err) {
LOGE("sqlite3_exec - Failed to set DELETE mode for [%s] \n", path8);
throw_sqlite3_exception(env, handle);
goto done;
}
}
else {
LOGI("WAL succesfuly enabled for [%s] \n", path8);
// Set autocheckpoint = 100 pages
err = sqlite3_wal_autocheckpoint(handle,
100);
if (SQLITE_OK != err) {
LOGE("sqlite3_exec to set WAL autocheckpoint failed\n");
throw_sqlite3_exception(env, handle);
goto done;
} else if (use_wal_mode(path8) == 2) {
/* Try to disable fsyncs. We don't care if it fails */
sqlite3_exec(handle,"PRAGMA synchronous = OFF;",
NULL, NULL,&zErrMsg);
}
}
}
// The soft heap limit prevents the page cache allocations from growing
// beyond the given limit, no matter what the max page cache sizes are
// set to. The limit does not, as of 3.5.0, affect any other allocations.
sqlite3_soft_heap_limit(SQLITE_SOFT_HEAP_LIMIT);
// Set the default busy handler to retry for 1000ms and then return SQLITE_BUSY
err = sqlite3_busy_timeout(handle, 1000 /* ms */);
if (err != SQLITE_OK) {
LOGE("sqlite3_busy_timeout(handle, 1000) failed for \"%s\"\n", path8);
throw_sqlite3_exception(env, handle);
goto done;
}
#ifdef DB_INTEGRITY_CHECK
static const char* integritySql = "pragma integrity_check(1);";
err = sqlite3_prepare_v2(handle, integritySql, -1, &statement, NULL);
if (err != SQLITE_OK) {
LOGE("sqlite_prepare_v2(handle, \"%s\") failed for \"%s\"\n", integritySql, path8);
throw_sqlite3_exception(env, handle);
goto done;
}
// first is OK or error message
err = sqlite3_step(statement);
if (err != SQLITE_ROW) {
LOGE("integrity check failed for \"%s\"\n", integritySql, path8);
throw_sqlite3_exception(env, handle);
goto done;
} else {
const char *text = (const char*)sqlite3_column_text(statement, 0);
if (strcmp(text, "ok") != 0) {
LOGE("integrity check failed for \"%s\": %s\n", integritySql, path8, text);
jniThrowException(env, "android/database/sqlite/SQLiteDatabaseCorruptException", text);
goto done;
}
}
#endif
err = register_android_functions(handle, UTF16_STORAGE);
if (err) {
throw_sqlite3_exception(env, handle);
goto done;
}
LOGV("Opened '%s' - %p\n", path8, handle);
env->SetIntField(object, offset_db_handle, (int) handle);
handle = NULL; // The caller owns the handle now.
done:
// Release allocated resources
if (path8 != NULL) env->ReleaseStringUTFChars(pathString, path8);
if (statement != NULL) sqlite3_finalize(statement);
if (handle != NULL) sqlite3_close(handle);
}
