зеркало из https://github.com/mozilla/gecko-dev.git
211 строки
5.7 KiB
C++
211 строки
5.7 KiB
C++
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997, 1998
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* Sleepycat Software. All rights reserved.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)java_DbLog.cpp 10.5 (Sleepycat) 5/2/98";
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#endif /* not lint */
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#include <jni.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h> // needed for FILENAME_MAX
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#include "db.h"
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#include "java_util.h"
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#include "com_sleepycat_db_DbLog.h"
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JNIEXPORT jobjectArray JNICALL Java_com_sleepycat_db_DbLog_archive
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(JNIEnv *jnienv, /*DbLog*/ jobject jthis, jint flags)
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{
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int err;
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char** ret;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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if (!verify_non_null(jnienv, dblog))
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return 0;
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err = log_archive(dblog, &ret, flags, 0);
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if (!verify_return(jnienv, err))
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return 0;
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int len = 0;
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while (ret[len] != NULL)
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len++;
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jclass stringClass = jnienv->FindClass("java/lang/String");
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jobjectArray strarray = jnienv->NewObjectArray(len, stringClass, 0);
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for (int i=0; i<len; i++) {
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jstring str = jnienv->NewStringUTF(ret[i]);
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jnienv->SetObjectArrayElement(strarray, i, str);
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}
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return strarray;
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_close
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(JNIEnv *jnienv, /*DbLog*/ jobject jthis)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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if (!verify_non_null(jnienv, dblog))
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return;
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err = log_close(dblog);
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if (verify_return(jnienv, err))
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{
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set_private_info(jnienv, name_DB_LOG, jthis, 0);
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}
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}
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JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbLog_compare
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(JNIEnv *jnienv, jclass jthis_class,
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/*DbLsn*/ jobject lsn0, /*DbLsn*/ jobject lsn1)
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{
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DB_LSN *dblsn0 = get_DB_LSN(jnienv, lsn0);
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DB_LSN *dblsn1 = get_DB_LSN(jnienv, lsn1);
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return log_compare(dblsn0, dblsn1);
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}
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JNIEXPORT jstring JNICALL Java_com_sleepycat_db_DbLog_file
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(JNIEnv *jnienv, jobject jthis, /*DbLsn*/ jobject lsn)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB_LSN *dblsn = get_DB_LSN(jnienv, lsn);
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char filename[FILENAME_MAX+1] = "";
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err = log_file(dblog, dblsn, filename, FILENAME_MAX);
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verify_return(jnienv, err);
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filename[FILENAME_MAX] = '\0'; // just to be sure
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return get_java_string(jnienv, filename);
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_flush
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(JNIEnv *jnienv, jobject jthis, /*DbLsn*/ jobject lsn)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB_LSN *dblsn = get_DB_LSN(jnienv, lsn);
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err = log_flush(dblog, dblsn);
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verify_return(jnienv, err);
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_get
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(JNIEnv *jnienv, jobject jthis, /*DbLsn*/ jobject lsn,
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/*DbDbt*/ jobject data, jint flags)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB_LSN *dblsn = get_DB_LSN(jnienv, lsn);
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LockedDBT dbdata(jnienv, data, 1);
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if (dbdata.has_error())
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return;
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err = log_get(dblog, dblsn, dbdata.dbt, flags);
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verify_return(jnienv, err);
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_put
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(JNIEnv *jnienv, jobject jthis, /*DbLsn*/ jobject lsn,
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/*DbDbt*/ jobject data, jint flags)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB_LSN *dblsn = get_DB_LSN(jnienv, lsn);
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LockedDBT dbdata(jnienv, data, 0);
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if (dbdata.has_error())
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return;
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err = log_put(dblog, dblsn, dbdata.dbt, flags);
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verify_return(jnienv, err);
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}
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JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbLog_db_1register
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(JNIEnv *jnienv, jobject jthis, /*Db*/ jobject dbp,
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jstring name, jint dbtype)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB *dbdb = get_DB(jnienv, dbp);
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LockedString dbname(jnienv, name);
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u_int32_t result;
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err = log_register(dblog, dbdb, dbname.string, (DBTYPE)dbtype, &result);
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verify_return(jnienv, err);
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return result;
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_db_1unregister
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(JNIEnv *jnienv, jobject jthis, jint fid)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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err = log_unregister(dblog, fid);
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verify_return(jnienv, err);
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}
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JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbLog_stat
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(JNIEnv *jnienv, jobject jthis)
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{
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int err;
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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DB_LOG_STAT *statp = 0;
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if (!verify_non_null(jnienv, dblog))
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return 0;
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err = log_stat(dblog, &statp, 0);
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verify_return(jnienv, err);
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return get_DbLogStat(jnienv, statp);
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}
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JNIEXPORT /*DbLog*/ jobject JNICALL Java_com_sleepycat_db_DbLog_open
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(JNIEnv *jnienv, jclass jthis_class, jstring dir, jint flags,
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jint mode, /*DbEnv*/ jobject dbenv)
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{
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int err;
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jobject retval = NULL;
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DB_LOG *dblog;
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DB_ENV *db_dbenv = get_DB_ENV(jnienv, dbenv);
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LockedString dbdir(jnienv, dir);
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if (verify_non_null(jnienv, db_dbenv)) {
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err = log_open(dbdir.string, flags, mode,
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db_dbenv, &dblog);
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if (verify_return(jnienv, err)) {
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retval = create_default_object(jnienv, name_DB_LOG);
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set_private_info(jnienv, name_DB_LOG, retval, dblog);
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}
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}
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return retval;
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_unlink
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(JNIEnv *jnienv, jclass jthis_class, jstring dir, jint force,
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/*DbEnv*/ jobject dbenv)
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{
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int err;
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DB_ENV *db_dbenv = get_DB_ENV(jnienv, dbenv);
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LockedString dbdir(jnienv, dir);
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if (verify_non_null(jnienv, db_dbenv)) {
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err = log_unlink(dbdir.string, force, db_dbenv);
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verify_return(jnienv, err);
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}
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}
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JNIEXPORT void JNICALL Java_com_sleepycat_db_DbLog_finalize
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(JNIEnv *jnienv, jobject jthis)
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{
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DB_LOG *dblog = get_DB_LOG(jnienv, jthis);
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if (dblog) {
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// Free any data related to DB_LOG here
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}
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}
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