java_DbEnv.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:39k
- /*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997-2002
- * Sleepycat Software. All rights reserved.
- */
- #include "db_config.h"
- #ifndef lint
- static const char revid[] = "$Id: java_DbEnv.c,v 11.105 2002/08/29 14:22:23 margo Exp $";
- #endif /* not lint */
- #include <jni.h>
- #include <stdlib.h>
- #include <string.h>
- #include "db_int.h"
- #include "java_util.h"
- #include "java_stat_auto.h"
- #include "com_sleepycat_db_DbEnv.h"
- /* We keep these lined up, and alphabetical by field name,
- * for comparison with C++'s list.
- */
- JAVADB_SET_METH_STR(DbEnv, data_1dir, DB_ENV, data_dir)
- JAVADB_SET_METH(DbEnv, jint, lg_1bsize, DB_ENV, lg_bsize)
- JAVADB_SET_METH_STR(DbEnv, lg_1dir, DB_ENV, lg_dir)
- JAVADB_SET_METH(DbEnv, jint, lg_1max, DB_ENV, lg_max)
- JAVADB_SET_METH(DbEnv, jint, lg_1regionmax, DB_ENV, lg_regionmax)
- JAVADB_SET_METH(DbEnv, jint, lk_1detect, DB_ENV, lk_detect)
- JAVADB_SET_METH(DbEnv, jint, lk_1max, DB_ENV, lk_max)
- JAVADB_SET_METH(DbEnv, jint, lk_1max_1locks, DB_ENV, lk_max_locks)
- JAVADB_SET_METH(DbEnv, jint, lk_1max_1lockers, DB_ENV, lk_max_lockers)
- JAVADB_SET_METH(DbEnv, jint, lk_1max_1objects, DB_ENV, lk_max_objects)
- /* mp_mmapsize is declared below, it needs an extra cast */
- JAVADB_SET_METH_STR(DbEnv, tmp_1dir, DB_ENV, tmp_dir)
- JAVADB_SET_METH(DbEnv, jint, tx_1max, DB_ENV, tx_max)
- static void DbEnv_errcall_callback(const char *prefix, char *message)
- {
- JNIEnv *jnienv;
- DB_ENV_JAVAINFO *envinfo = (DB_ENV_JAVAINFO *)prefix;
- jstring pre;
- /*
- * Note: these error cases are "impossible", and would
- * normally warrant an exception. However, without
- * a jnienv, we cannot throw an exception...
- * We don't want to trap or exit, since the point of
- * this facility is for the user to completely control
- * error situations.
- */
- if (envinfo == NULL) {
- /*
- * Something is *really* wrong here, the
- * prefix is set in every environment created.
- */
- fprintf(stderr, "Error callback failed!n");
- fprintf(stderr, "error: %sn", message);
- return;
- }
- /* Should always succeed... */
- jnienv = dbjie_get_jnienv(envinfo);
- if (jnienv == NULL) {
- /* But just in case... */
- fprintf(stderr, "Cannot attach to current thread!n");
- fprintf(stderr, "error: %sn", message);
- return;
- }
- pre = dbjie_get_errpfx(envinfo, jnienv);
- report_errcall(jnienv, dbjie_get_errcall(envinfo), pre, message);
- }
- static void DbEnv_initialize(JNIEnv *jnienv, DB_ENV *dbenv,
- /*DbEnv*/ jobject jenv,
- /*DbErrcall*/ jobject jerrcall,
- int is_dbopen)
- {
- DB_ENV_JAVAINFO *envinfo;
- envinfo = get_DB_ENV_JAVAINFO(jnienv, jenv);
- DB_ASSERT(envinfo == NULL);
- envinfo = dbjie_construct(jnienv, jenv, jerrcall, is_dbopen);
- set_private_info(jnienv, name_DB_ENV, jenv, envinfo);
- dbenv->set_errpfx(dbenv, (const char*)envinfo);
- dbenv->set_errcall(dbenv, DbEnv_errcall_callback);
- dbenv->api2_internal = envinfo;
- set_private_dbobj(jnienv, name_DB_ENV, jenv, dbenv);
- }
- /*
- * This is called when this DbEnv was made on behalf of a Db
- * created directly (without a parent DbEnv), and the Db is
- * being closed. We'll zero out the pointer to the DB_ENV,
- * since it is no longer valid, to prevent mistakes.
- */
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1notify_1db_1close
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis)
- {
- DB_ENV_JAVAINFO *dbenvinfo;
- set_private_dbobj(jnienv, name_DB_ENV, jthis, 0);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (dbenvinfo != NULL)
- dbjie_dealloc(dbenvinfo, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_feedback_1changed
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis,
- /*DbEnvFeedback*/ jobject jfeedback)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv) ||
- !verify_non_null(jnienv, dbenvinfo))
- return;
- dbjie_set_feedback_object(dbenvinfo, jnienv, dbenv, jfeedback);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1init
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jobject /*DbErrcall*/ jerrcall,
- jint flags)
- {
- int err;
- DB_ENV *dbenv;
- err = db_env_create(&dbenv, flags);
- if (verify_return(jnienv, err, 0))
- DbEnv_initialize(jnienv, dbenv, jthis, jerrcall, 0);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1init_1using_1db
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jobject /*DbErrcall*/ jerrcall,
- /*Db*/ jobject jdb)
- {
- DB_ENV *dbenv;
- DB *db;
- db = get_DB(jnienv, jdb);
- dbenv = db->dbenv;
- DbEnv_initialize(jnienv, dbenv, jthis, jerrcall, 0);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_open
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jstring db_home,
- jint flags, jint mode)
- {
- int err;
- DB_ENV *dbenv;
- LOCKED_STRING ls_home;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv) ||
- !verify_non_null(jnienv, dbenvinfo))
- return;
- if (locked_string_get(&ls_home, jnienv, db_home) != 0)
- goto out;
- /* Java is assumed to be threaded. */
- flags |= DB_THREAD;
- err = dbenv->open(dbenv, ls_home.string, flags, mode);
- verify_return(jnienv, err, EXCEPTION_FILE_NOT_FOUND);
- out:
- locked_string_put(&ls_home, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_remove
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jstring db_home, jint flags)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- LOCKED_STRING ls_home;
- int err = 0;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- if (locked_string_get(&ls_home, jnienv, db_home) != 0)
- goto out;
- err = dbenv->remove(dbenv, ls_home.string, flags);
- set_private_dbobj(jnienv, name_DB_ENV, jthis, 0);
- verify_return(jnienv, err, 0);
- out:
- locked_string_put(&ls_home, jnienv);
- if (dbenvinfo != NULL)
- dbjie_dealloc(dbenvinfo, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1close
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- err = dbenv->close(dbenv, flags);
- set_private_dbobj(jnienv, name_DB_ENV, jthis, 0);
- if (dbenvinfo != NULL)
- dbjie_dealloc(dbenvinfo, jnienv);
- /* Throw an exception if the close failed. */
- verify_return(jnienv, err, 0);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_dbremove
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbTxn*/ jobject jtxn,
- jstring name, jstring subdb, jint flags)
- {
- LOCKED_STRING ls_name, ls_subdb;
- DB_ENV *dbenv;
- DB_TXN *txn;
- int err;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- txn = get_DB_TXN(jnienv, jtxn);
- if (locked_string_get(&ls_name, jnienv, name) != 0)
- return;
- if (locked_string_get(&ls_subdb, jnienv, subdb) != 0)
- goto err1;
- err = dbenv->dbremove(dbenv, txn, ls_name.string, ls_subdb.string,
- flags);
- /* Throw an exception if the dbremove failed. */
- verify_return(jnienv, err, 0);
- locked_string_put(&ls_subdb, jnienv);
- err1: locked_string_put(&ls_name, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_dbrename
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbTxn*/ jobject jtxn,
- jstring name, jstring subdb, jstring newname, jint flags)
- {
- LOCKED_STRING ls_name, ls_subdb, ls_newname;
- DB_ENV *dbenv;
- DB_TXN *txn;
- int err;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- txn = get_DB_TXN(jnienv, jtxn);
- if (locked_string_get(&ls_name, jnienv, name) != 0)
- return;
- if (locked_string_get(&ls_subdb, jnienv, subdb) != 0)
- goto err2;
- if (locked_string_get(&ls_newname, jnienv, newname) != 0)
- goto err1;
- err = dbenv->dbrename(dbenv, txn, ls_name.string, ls_subdb.string,
- ls_newname.string, flags);
- /* Throw an exception if the dbrename failed. */
- verify_return(jnienv, err, 0);
- locked_string_put(&ls_newname, jnienv);
- err1: locked_string_put(&ls_subdb, jnienv);
- err2: locked_string_put(&ls_name, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_err
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint ecode, jstring msg)
- {
- LOCKED_STRING ls_msg;
- DB_ENV *dbenv;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- if (locked_string_get(&ls_msg, jnienv, msg) != 0)
- goto out;
- dbenv->err(dbenv, ecode, "%s", ls_msg.string);
- out:
- locked_string_put(&ls_msg, jnienv);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_errx
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jstring msg)
- {
- LOCKED_STRING ls_msg;
- DB_ENV *dbenv;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- if (locked_string_get(&ls_msg, jnienv, msg) != 0)
- goto out;
- dbenv->errx(dbenv, "%s", ls_msg.string);
- out:
- locked_string_put(&ls_msg, jnienv);
- }
- /*static*/
- JNIEXPORT jstring JNICALL Java_com_sleepycat_db_DbEnv_strerror
- (JNIEnv *jnienv, jclass jthis_class, jint ecode)
- {
- const char *message;
- COMPQUIET(jthis_class, NULL);
- message = db_strerror(ecode);
- return (get_java_string(jnienv, message));
- }
- JAVADB_METHOD(DbEnv_set_1cachesize,
- (JAVADB_ARGS, jint gbytes, jint bytes, jint ncaches), DB_ENV,
- set_cachesize, (c_this, gbytes, bytes, ncaches))
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_set_1encrypt
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jstring jpasswd, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- LOCKED_STRING ls_passwd;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- if (locked_string_get(&ls_passwd, jnienv, jpasswd) != 0)
- goto out;
- err = dbenv->set_encrypt(dbenv, ls_passwd.string, flags);
- verify_return(jnienv, err, 0);
- out: locked_string_put(&ls_passwd, jnienv);
- }
- JAVADB_METHOD(DbEnv_set_1flags,
- (JAVADB_ARGS, jint flags, jboolean onoff), DB_ENV,
- set_flags, (c_this, flags, onoff ? 1 : 0))
- JAVADB_METHOD(DbEnv_set_1mp_1mmapsize, (JAVADB_ARGS, jlong value), DB_ENV,
- set_mp_mmapsize, (c_this, (size_t)value))
- JAVADB_METHOD(DbEnv_set_1tas_1spins, (JAVADB_ARGS, jint spins), DB_ENV,
- set_tas_spins, (c_this, (u_int32_t)spins))
- JAVADB_METHOD(DbEnv_set_1timeout,
- (JAVADB_ARGS, jlong timeout, jint flags), DB_ENV,
- set_timeout, (c_this, (u_int32_t)timeout, flags))
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_set_1lk_1conflicts
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jobjectArray array)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- int err;
- jsize i, len;
- u_char *newarr;
- int bytesize;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv) ||
- !verify_non_null(jnienv, dbenvinfo))
- return;
- len = (*jnienv)->GetArrayLength(jnienv, array);
- bytesize = sizeof(u_char) * len * len;
- if ((err = __os_malloc(dbenv, bytesize, &newarr)) != 0) {
- if (!verify_return(jnienv, err, 0))
- return;
- }
- for (i=0; i<len; i++) {
- jobject subArray =
- (*jnienv)->GetObjectArrayElement(jnienv, array, i);
- (*jnienv)->GetByteArrayRegion(jnienv, (jbyteArray)subArray,
- 0, len,
- (jbyte *)&newarr[i*len]);
- }
- dbjie_set_conflict(dbenvinfo, newarr, bytesize);
- err = dbenv->set_lk_conflicts(dbenv, newarr, len);
- verify_return(jnienv, err, 0);
- }
- JNIEXPORT jint JNICALL
- Java_com_sleepycat_db_DbEnv_rep_1elect
- (JNIEnv *jnienv, /* DbEnv */ jobject jthis, jint nsites, jint pri,
- jint timeout)
- {
- DB_ENV *dbenv;
- int err, id;
- if (!verify_non_null(jnienv, jthis))
- return (DB_EID_INVALID);
- dbenv = get_DB_ENV(jnienv, jthis);
- err = dbenv->rep_elect(dbenv, (int)nsites,
- (int)pri, (u_int32_t)timeout, &id);
- verify_return(jnienv, err, 0);
- return ((jint)id);
- }
- JNIEXPORT jint JNICALL
- Java_com_sleepycat_db_DbEnv_rep_1process_1message
- (JNIEnv *jnienv, /* DbEnv */ jobject jthis, /* Dbt */ jobject control,
- /* Dbt */ jobject rec, /* RepProcessMessage */ jobject result)
- {
- DB_ENV *dbenv;
- LOCKED_DBT cdbt, rdbt;
- int err, envid;
- if (!verify_non_null(jnienv, jthis) || !verify_non_null(jnienv, result))
- return (-1);
- dbenv = get_DB_ENV(jnienv, jthis);
- err = 0;
- /* The DBTs are always inputs. */
- if (locked_dbt_get(&cdbt, jnienv, dbenv, control, inOp) != 0)
- goto out2;
- if (locked_dbt_get(&rdbt, jnienv, dbenv, rec, inOp) != 0)
- goto out1;
- envid = (*jnienv)->GetIntField(jnienv,
- result, fid_RepProcessMessage_envid);
- err = dbenv->rep_process_message(dbenv, &cdbt.javainfo->dbt,
- &rdbt.javainfo->dbt, &envid);
- if (err == DB_REP_NEWMASTER)
- (*jnienv)->SetIntField(jnienv,
- result, fid_RepProcessMessage_envid, envid);
- else if (!DB_RETOK_REPPMSG(err))
- verify_return(jnienv, err, 0);
- out1: locked_dbt_put(&rdbt, jnienv, dbenv);
- out2: locked_dbt_put(&cdbt, jnienv, dbenv);
- return (err);
- }
- JNIEXPORT void JNICALL
- Java_com_sleepycat_db_DbEnv_rep_1start
- (JNIEnv *jnienv, /* DbEnv */ jobject jthis, /* Dbt */ jobject cookie,
- jint flags)
- {
- DB_ENV *dbenv;
- DBT *dbtp;
- LOCKED_DBT ldbt;
- int err;
- if (!verify_non_null(jnienv, jthis))
- return;
- dbenv = get_DB_ENV(jnienv, jthis);
- /* The Dbt cookie may be null; if so, pass in a NULL DBT. */
- if (cookie != NULL) {
- if (locked_dbt_get(&ldbt, jnienv, dbenv, cookie, inOp) != 0)
- goto out;
- dbtp = &ldbt.javainfo->dbt;
- } else
- dbtp = NULL;
- err = dbenv->rep_start(dbenv, dbtp, flags);
- verify_return(jnienv, err, 0);
- out: if (cookie != NULL)
- locked_dbt_put(&ldbt, jnienv, dbenv);
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_rep_1stat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- DB_REP_STAT *statp = NULL;
- jobject retval = NULL;
- jclass dbclass;
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->rep_stat(dbenv, &statp, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- if ((dbclass = get_class(jnienv, name_DB_REP_STAT)) == NULL ||
- (retval =
- create_default_object(jnienv, name_DB_REP_STAT)) == NULL)
- goto err; /* An exception has been posted. */
- __jv_fill_rep_stat(jnienv, dbclass, retval, statp);
- err: __os_ufree(dbenv, statp);
- }
- return (retval);
- }
- JNIEXPORT void JNICALL
- Java_com_sleepycat_db_DbEnv_set_1rep_1limit
- (JNIEnv *jnienv, /* DbEnv */ jobject jthis, jint gbytes, jint bytes)
- {
- DB_ENV *dbenv;
- int err;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (verify_non_null(jnienv, dbenv)) {
- err = dbenv->set_rep_limit(dbenv,
- (u_int32_t)gbytes, (u_int32_t)bytes);
- verify_return(jnienv, err, 0);
- }
- }
- JNIEXPORT void JNICALL
- Java_com_sleepycat_db_DbEnv_rep_1transport_1changed
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint envid,
- /* DbRepTransport */ jobject jreptransport)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv) ||
- !verify_non_null(jnienv, dbenvinfo) ||
- !verify_non_null(jnienv, jreptransport))
- return;
- dbjie_set_rep_transport_object(dbenvinfo,
- jnienv, dbenv, envid, jreptransport);
- }
- JNIEXPORT void JNICALL
- Java_com_sleepycat_db_DbEnv_set_1rpc_1server
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbClient*/ jobject jclient,
- jstring jhost, jlong tsec, jlong ssec, jint flags)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- const char *host = (*jnienv)->GetStringUTFChars(jnienv, jhost, NULL);
- if (jclient != NULL) {
- report_exception(jnienv, "DbEnv.set_rpc_server client arg "
- "must be null; reserved for future use",
- EINVAL, 0);
- return;
- }
- if (verify_non_null(jnienv, dbenv)) {
- err = dbenv->set_rpc_server(dbenv, NULL, host,
- (long)tsec, (long)ssec, flags);
- /* Throw an exception if the call failed. */
- verify_return(jnienv, err, 0);
- }
- }
- JAVADB_METHOD(DbEnv_set_1shm_1key, (JAVADB_ARGS, jlong shm_key), DB_ENV,
- set_shm_key, (c_this, (long)shm_key))
- JNIEXPORT void JNICALL
- Java_com_sleepycat_db_DbEnv__1set_1tx_1timestamp
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jlong seconds)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- time_t time = seconds;
- if (verify_non_null(jnienv, dbenv)) {
- err = dbenv->set_tx_timestamp(dbenv, &time);
- /* Throw an exception if the call failed. */
- verify_return(jnienv, err, 0);
- }
- }
- JAVADB_METHOD(DbEnv_set_1verbose,
- (JAVADB_ARGS, jint which, jboolean onoff), DB_ENV,
- set_verbose, (c_this, which, onoff ? 1 : 0))
- /*static*/
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_get_1version_1major
- (JNIEnv * jnienv, jclass this_class)
- {
- COMPQUIET(jnienv, NULL);
- COMPQUIET(this_class, NULL);
- return (DB_VERSION_MAJOR);
- }
- /*static*/
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_get_1version_1minor
- (JNIEnv * jnienv, jclass this_class)
- {
- COMPQUIET(jnienv, NULL);
- COMPQUIET(this_class, NULL);
- return (DB_VERSION_MINOR);
- }
- /*static*/
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_get_1version_1patch
- (JNIEnv * jnienv, jclass this_class)
- {
- COMPQUIET(jnienv, NULL);
- COMPQUIET(this_class, NULL);
- return (DB_VERSION_PATCH);
- }
- /*static*/
- JNIEXPORT jstring JNICALL Java_com_sleepycat_db_DbEnv_get_1version_1string
- (JNIEnv *jnienv, jclass this_class)
- {
- COMPQUIET(this_class, NULL);
- return ((*jnienv)->NewStringUTF(jnienv, DB_VERSION_STRING));
- }
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_lock_1id
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis)
- {
- int err;
- u_int32_t id;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (-1);
- err = dbenv->lock_id(dbenv, &id);
- verify_return(jnienv, err, 0);
- return (id);
- }
- JAVADB_METHOD(DbEnv_lock_1id_1free, (JAVADB_ARGS, jint id), DB_ENV,
- lock_id_free, (c_this, id))
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_lock_1stat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- DB_LOCK_STAT *statp = NULL;
- jobject retval = NULL;
- jclass dbclass;
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->lock_stat(dbenv, &statp, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- if ((dbclass = get_class(jnienv, name_DB_LOCK_STAT)) == NULL ||
- (retval =
- create_default_object(jnienv, name_DB_LOCK_STAT)) == NULL)
- goto err; /* An exception has been posted. */
- __jv_fill_lock_stat(jnienv, dbclass, retval, statp);
- err: __os_ufree(dbenv, statp);
- }
- return (retval);
- }
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_lock_1detect
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint atype, jint flags)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- int aborted;
- if (!verify_non_null(jnienv, dbenv))
- return (0);
- err = dbenv->lock_detect(dbenv, atype, flags, &aborted);
- verify_return(jnienv, err, 0);
- return (aborted);
- }
- JNIEXPORT /*DbLock*/ jobject JNICALL Java_com_sleepycat_db_DbEnv_lock_1get
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*u_int32_t*/ jint locker,
- jint flags, /*const Dbt*/ jobject obj, /*db_lockmode_t*/ jint lock_mode)
- {
- int err;
- DB_ENV *dbenv;
- DB_LOCK *dblock;
- LOCKED_DBT lobj;
- /*DbLock*/ jobject retval;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- if ((err = __os_malloc(dbenv, sizeof(DB_LOCK), &dblock)) != 0)
- if (!verify_return(jnienv, err, 0))
- return (NULL);
- memset(dblock, 0, sizeof(DB_LOCK));
- err = 0;
- retval = NULL;
- if (locked_dbt_get(&lobj, jnienv, dbenv, obj, inOp) != 0)
- goto out;
- err = dbenv->lock_get(dbenv, locker, flags, &lobj.javainfo->dbt,
- (db_lockmode_t)lock_mode, dblock);
- if (err == DB_LOCK_NOTGRANTED)
- report_notgranted_exception(jnienv,
- "DbEnv.lock_get not granted",
- DB_LOCK_GET, lock_mode, obj,
- NULL, -1);
- else if (verify_return(jnienv, err, 0)) {
- retval = create_default_object(jnienv, name_DB_LOCK);
- set_private_dbobj(jnienv, name_DB_LOCK, retval, dblock);
- }
- out:
- locked_dbt_put(&lobj, jnienv, dbenv);
- return (retval);
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_lock_1vec
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*u_int32_t*/ jint locker,
- jint flags, /*const Dbt*/ jobjectArray list, jint offset, jint count)
- {
- DB_ENV *dbenv;
- DB_LOCKREQ *lockreq;
- DB_LOCKREQ *prereq; /* preprocessed requests */
- DB_LOCKREQ *failedreq;
- DB_LOCK *lockp;
- LOCKED_DBT *locked_dbts;
- int err;
- int alloc_err;
- int i;
- size_t bytesize;
- size_t ldbtsize;
- jobject jlockreq;
- db_lockop_t op;
- jobject jobj;
- jobject jlock;
- int completed;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- goto out0;
- if ((*jnienv)->GetArrayLength(jnienv, list) < offset + count) {
- report_exception(jnienv,
- "DbEnv.lock_vec array not large enough",
- 0, 0);
- goto out0;
- }
- bytesize = sizeof(DB_LOCKREQ) * count;
- if ((err = __os_malloc(dbenv, bytesize, &lockreq)) != 0) {
- verify_return(jnienv, err, 0);
- goto out0;
- }
- memset(lockreq, 0, bytesize);
- ldbtsize = sizeof(LOCKED_DBT) * count;
- if ((err = __os_malloc(dbenv, ldbtsize, &locked_dbts)) != 0) {
- verify_return(jnienv, err, 0);
- goto out1;
- }
- memset(lockreq, 0, ldbtsize);
- prereq = &lockreq[0];
- /* fill in the lockreq array */
- for (i = 0, prereq = &lockreq[0]; i < count; i++, prereq++) {
- jlockreq = (*jnienv)->GetObjectArrayElement(jnienv, list,
- offset + i);
- if (jlockreq == NULL) {
- report_exception(jnienv,
- "DbEnv.lock_vec list entry is null",
- 0, 0);
- goto out2;
- }
- op = (*jnienv)->GetIntField(jnienv, jlockreq,
- fid_DbLockRequest_op);
- prereq->op = op;
- switch (op) {
- case DB_LOCK_GET_TIMEOUT:
- /* Needed: mode, timeout, obj. Returned: lock. */
- prereq->op = (*jnienv)->GetIntField(jnienv, jlockreq,
- fid_DbLockRequest_timeout);
- /* FALLTHROUGH */
- case DB_LOCK_GET:
- /* Needed: mode, obj. Returned: lock. */
- prereq->mode = (*jnienv)->GetIntField(jnienv, jlockreq,
- fid_DbLockRequest_mode);
- jobj = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_obj);
- if ((err = locked_dbt_get(&locked_dbts[i], jnienv,
- dbenv, jobj, inOp)) != 0)
- goto out2;
- prereq->obj = &locked_dbts[i].javainfo->dbt;
- break;
- case DB_LOCK_PUT:
- /* Needed: lock. Ignored: mode, obj. */
- jlock = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_lock);
- if (!verify_non_null(jnienv, jlock))
- goto out2;
- lockp = get_DB_LOCK(jnienv, jlock);
- if (!verify_non_null(jnienv, lockp))
- goto out2;
- prereq->lock = *lockp;
- break;
- case DB_LOCK_PUT_ALL:
- case DB_LOCK_TIMEOUT:
- /* Needed: (none). Ignored: lock, mode, obj. */
- break;
- case DB_LOCK_PUT_OBJ:
- /* Needed: obj. Ignored: lock, mode. */
- jobj = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_obj);
- if ((err = locked_dbt_get(&locked_dbts[i], jnienv,
- dbenv, jobj, inOp)) != 0)
- goto out2;
- prereq->obj = &locked_dbts[i].javainfo->dbt;
- break;
- default:
- report_exception(jnienv,
- "DbEnv.lock_vec bad op value",
- 0, 0);
- goto out2;
- }
- }
- err = dbenv->lock_vec(dbenv, locker, flags, lockreq, count, &failedreq);
- if (err == 0)
- completed = count;
- else
- completed = failedreq - lockreq;
- /* do post processing for any and all requests that completed */
- for (i = 0; i < completed; i++) {
- op = lockreq[i].op;
- if (op == DB_LOCK_PUT) {
- /*
- * After a successful put, the DbLock can no longer
- * be used, so we release the storage related to it.
- */
- jlockreq = (*jnienv)->GetObjectArrayElement(jnienv,
- list, i + offset);
- jlock = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_lock);
- lockp = get_DB_LOCK(jnienv, jlock);
- __os_free(NULL, lockp);
- set_private_dbobj(jnienv, name_DB_LOCK, jlock, 0);
- }
- else if (op == DB_LOCK_GET) {
- /*
- * Store the lock that was obtained.
- * We need to create storage for it since
- * the lockreq array only exists during this
- * method call.
- */
- alloc_err = __os_malloc(dbenv, sizeof(DB_LOCK), &lockp);
- if (!verify_return(jnienv, alloc_err, 0))
- goto out2;
- *lockp = lockreq[i].lock;
- jlockreq = (*jnienv)->GetObjectArrayElement(jnienv,
- list, i + offset);
- jlock = create_default_object(jnienv, name_DB_LOCK);
- set_private_dbobj(jnienv, name_DB_LOCK, jlock, lockp);
- (*jnienv)->SetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_lock,
- jlock);
- }
- }
- /* If one of the locks was not granted, build the exception now. */
- if (err == DB_LOCK_NOTGRANTED && i < count) {
- jlockreq = (*jnienv)->GetObjectArrayElement(jnienv,
- list, i + offset);
- jobj = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_obj);
- jlock = (*jnienv)->GetObjectField(jnienv, jlockreq,
- fid_DbLockRequest_lock);
- report_notgranted_exception(jnienv,
- "DbEnv.lock_vec incomplete",
- lockreq[i].op,
- lockreq[i].mode,
- jobj,
- jlock,
- i);
- }
- else
- verify_return(jnienv, err, 0);
- out2:
- /* Free the dbts that we have locked */
- for (i = 0 ; i < (prereq - lockreq); i++) {
- if ((op = lockreq[i].op) == DB_LOCK_GET ||
- op == DB_LOCK_PUT_OBJ)
- locked_dbt_put(&locked_dbts[i], jnienv, dbenv);
- }
- __os_free(dbenv, locked_dbts);
- out1:
- __os_free(dbenv, lockreq);
- out0:
- return;
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_lock_1put
- (JNIEnv *jnienv, jobject jthis, /*DbLock*/ jobject jlock)
- {
- int err;
- DB_ENV *dbenv;
- DB_LOCK *dblock;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return;
- dblock = get_DB_LOCK(jnienv, jlock);
- if (!verify_non_null(jnienv, dblock))
- return;
- err = dbenv->lock_put(dbenv, dblock);
- if (verify_return(jnienv, err, 0)) {
- /*
- * After a successful put, the DbLock can no longer
- * be used, so we release the storage related to it
- * (allocated in DbEnv.lock_get()).
- */
- __os_free(NULL, dblock);
- set_private_dbobj(jnienv, name_DB_LOCK, jlock, 0);
- }
- }
- JNIEXPORT jobjectArray JNICALL Java_com_sleepycat_db_DbEnv_log_1archive
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err, len, i;
- char** ret;
- jclass stringClass;
- jobjectArray strarray;
- DB_ENV *dbenv;
- dbenv = get_DB_ENV(jnienv, jthis);
- strarray = NULL;
- if (!verify_non_null(jnienv, dbenv))
- return (0);
- err = dbenv->log_archive(dbenv, &ret, flags);
- if (!verify_return(jnienv, err, 0))
- return (0);
- if (ret != NULL) {
- len = 0;
- while (ret[len] != NULL)
- len++;
- stringClass = (*jnienv)->FindClass(jnienv, "java/lang/String");
- if ((strarray = (*jnienv)->NewObjectArray(jnienv,
- len, stringClass, 0)) == NULL)
- goto out;
- for (i=0; i<len; i++) {
- jstring str = (*jnienv)->NewStringUTF(jnienv, ret[i]);
- (*jnienv)->SetObjectArrayElement(jnienv, strarray,
- i, str);
- }
- }
- out: return (strarray);
- }
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_log_1compare
- (JNIEnv *jnienv, jclass jthis_class,
- /*DbLsn*/ jobject lsn0, /*DbLsn*/ jobject lsn1)
- {
- DB_LSN *dblsn0;
- DB_LSN *dblsn1;
- COMPQUIET(jthis_class, NULL);
- dblsn0 = get_DB_LSN(jnienv, lsn0);
- dblsn1 = get_DB_LSN(jnienv, lsn1);
- return (log_compare(dblsn0, dblsn1));
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_log_1cursor
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_LOGC *dblogc;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->log_cursor(dbenv, &dblogc, flags);
- verify_return(jnienv, err, 0);
- return (get_DbLogc(jnienv, dblogc));
- }
- JNIEXPORT jstring JNICALL Java_com_sleepycat_db_DbEnv_log_1file
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbLsn*/ jobject lsn)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- DB_LSN *dblsn = get_DB_LSN(jnienv, lsn);
- char filename[FILENAME_MAX+1] = "";
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->log_file(dbenv, dblsn, filename, FILENAME_MAX);
- verify_return(jnienv, err, 0);
- filename[FILENAME_MAX] = ' '; /* just to be sure */
- return (get_java_string(jnienv, filename));
- }
- JAVADB_METHOD(DbEnv_log_1flush,
- (JAVADB_ARGS, /*DbLsn*/ jobject lsn), DB_ENV,
- log_flush, (c_this, get_DB_LSN(jnienv, lsn)))
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_log_1put
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbLsn*/ jobject lsn,
- /*DbDbt*/ jobject data, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- DB_LSN *dblsn;
- LOCKED_DBT ldata;
- dbenv = get_DB_ENV(jnienv, jthis);
- dblsn = get_DB_LSN(jnienv, lsn);
- if (!verify_non_null(jnienv, dbenv))
- return;
- /* log_put's DB_LSN argument may not be NULL. */
- if (!verify_non_null(jnienv, dblsn))
- return;
- if (locked_dbt_get(&ldata, jnienv, dbenv, data, inOp) != 0)
- goto out;
- err = dbenv->log_put(dbenv, dblsn, &ldata.javainfo->dbt, flags);
- verify_return(jnienv, err, 0);
- out:
- locked_dbt_put(&ldata, jnienv, dbenv);
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_log_1stat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- DB_LOG_STAT *statp;
- jobject retval;
- jclass dbclass;
- retval = NULL;
- statp = NULL;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->log_stat(dbenv, &statp, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- if ((dbclass = get_class(jnienv, name_DB_LOG_STAT)) == NULL ||
- (retval =
- create_default_object(jnienv, name_DB_LOG_STAT)) == NULL)
- goto err; /* An exception has been posted. */
- __jv_fill_log_stat(jnienv, dbclass, retval, statp);
- err: __os_ufree(dbenv, statp);
- }
- return (retval);
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_memp_1stat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- jclass dbclass;
- DB_ENV *dbenv;
- DB_MPOOL_STAT *statp;
- jobject retval;
- retval = NULL;
- statp = NULL;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->memp_stat(dbenv, &statp, 0, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- if ((dbclass = get_class(jnienv, name_DB_MPOOL_STAT)) == NULL ||
- (retval =
- create_default_object(jnienv, name_DB_MPOOL_STAT)) == NULL)
- goto err; /* An exception has been posted. */
- __jv_fill_mpool_stat(jnienv, dbclass, retval, statp);
- err: __os_ufree(dbenv, statp);
- }
- return (retval);
- }
- JNIEXPORT jobjectArray JNICALL Java_com_sleepycat_db_DbEnv_memp_1fstat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err, i, len;
- jclass fstat_class;
- DB_ENV *dbenv;
- DB_MPOOL_FSTAT **fstatp;
- jobjectArray retval;
- jfieldID filename_id;
- jstring jfilename;
- fstatp = NULL;
- retval = NULL;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->memp_stat(dbenv, 0, &fstatp, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- len = 0;
- while (fstatp[len] != NULL)
- len++;
- if ((fstat_class =
- get_class(jnienv, name_DB_MPOOL_FSTAT)) == NULL ||
- (retval = (*jnienv)->NewObjectArray(jnienv, len,
- fstat_class, 0)) == NULL)
- goto err;
- for (i=0; i<len; i++) {
- jobject obj;
- if ((obj = create_default_object(jnienv,
- name_DB_MPOOL_FSTAT)) == NULL)
- goto err;
- (*jnienv)->SetObjectArrayElement(jnienv, retval,
- i, obj);
- /* Set the string field. */
- filename_id = (*jnienv)->GetFieldID(jnienv,
- fstat_class, "file_name", string_signature);
- jfilename = get_java_string(jnienv,
- fstatp[i]->file_name);
- (*jnienv)->SetObjectField(jnienv, obj,
- filename_id, jfilename);
- set_int_field(jnienv, fstat_class, obj,
- "st_pagesize", fstatp[i]->st_pagesize);
- set_int_field(jnienv, fstat_class, obj,
- "st_cache_hit", fstatp[i]->st_cache_hit);
- set_int_field(jnienv, fstat_class, obj,
- "st_cache_miss", fstatp[i]->st_cache_miss);
- set_int_field(jnienv, fstat_class, obj,
- "st_map", fstatp[i]->st_map);
- set_int_field(jnienv, fstat_class, obj,
- "st_page_create", fstatp[i]->st_page_create);
- set_int_field(jnienv, fstat_class, obj,
- "st_page_in", fstatp[i]->st_page_in);
- set_int_field(jnienv, fstat_class, obj,
- "st_page_out", fstatp[i]->st_page_out);
- __os_ufree(dbenv, fstatp[i]);
- }
- err: __os_ufree(dbenv, fstatp);
- }
- return (retval);
- }
- JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbEnv_memp_1trickle
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint pct)
- {
- int err;
- DB_ENV *dbenv = get_DB_ENV(jnienv, jthis);
- int result = 0;
- if (verify_non_null(jnienv, dbenv)) {
- err = dbenv->memp_trickle(dbenv, pct, &result);
- verify_return(jnienv, err, 0);
- }
- return (result);
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_txn_1begin
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbTxn*/ jobject pid, jint flags)
- {
- int err;
- DB_TXN *dbpid, *result;
- DB_ENV *dbenv;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (0);
- dbpid = get_DB_TXN(jnienv, pid);
- result = 0;
- err = dbenv->txn_begin(dbenv, dbpid, &result, flags);
- if (!verify_return(jnienv, err, 0))
- return (0);
- return (get_DbTxn(jnienv, result));
- }
- JAVADB_METHOD(DbEnv_txn_1checkpoint,
- (JAVADB_ARGS, jint kbyte, jint min, jint flags), DB_ENV,
- txn_checkpoint, (c_this, kbyte, min, flags))
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv_app_1dispatch_1changed
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, /*DbFeedback*/ jobject jappdispatch)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv) ||
- !verify_non_null(jnienv, dbenvinfo))
- return;
- dbjie_set_app_dispatch_object(dbenvinfo, jnienv, dbenv, jappdispatch);
- }
- JNIEXPORT jobjectArray JNICALL Java_com_sleepycat_db_DbEnv_txn_1recover
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint count, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- DB_PREPLIST *preps;
- long retcount;
- int i;
- char signature[128];
- size_t bytesize;
- jobject retval;
- jobject obj;
- jobject txnobj;
- jbyteArray bytearr;
- jclass preplist_class;
- jfieldID txn_fieldid;
- jfieldID gid_fieldid;
- retval = NULL;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- /*
- * We need to allocate some local storage for the
- * returned preplist, and that requires us to do
- * our own argument validation.
- */
- if (count <= 0) {
- verify_return(jnienv, EINVAL, 0);
- goto out;
- }
- bytesize = sizeof(DB_PREPLIST) * count;
- if ((err = __os_malloc(dbenv, bytesize, &preps)) != 0) {
- verify_return(jnienv, err, 0);
- goto out;
- }
- err = dbenv->txn_recover(dbenv, preps, count, &retcount, flags);
- if (verify_return(jnienv, err, 0)) {
- if ((preplist_class =
- get_class(jnienv, name_DB_PREPLIST)) == NULL ||
- (retval = (*jnienv)->NewObjectArray(jnienv, retcount,
- preplist_class, 0)) == NULL)
- goto err;
- (void)snprintf(signature, sizeof(signature),
- "L%s%s;", DB_PACKAGE_NAME, name_DB_TXN);
- txn_fieldid = (*jnienv)->GetFieldID(jnienv, preplist_class,
- "txn", signature);
- gid_fieldid = (*jnienv)->GetFieldID(jnienv, preplist_class,
- "gid", "[B");
- for (i=0; i<retcount; i++) {
- /*
- * First, make a blank DbPreplist object
- * and set the array entry.
- */
- if ((obj = create_default_object(jnienv,
- name_DB_PREPLIST)) == NULL)
- goto err;
- (*jnienv)->SetObjectArrayElement(jnienv,
- retval, i, obj);
- /* Set the txn field. */
- txnobj = get_DbTxn(jnienv, preps[i].txn);
- (*jnienv)->SetObjectField(jnienv,
- obj, txn_fieldid, txnobj);
- /* Build the gid array and set the field. */
- if ((bytearr = (*jnienv)->NewByteArray(jnienv,
- sizeof(preps[i].gid))) == NULL)
- goto err;
- (*jnienv)->SetByteArrayRegion(jnienv, bytearr, 0,
- sizeof(preps[i].gid), (jbyte *)&preps[i].gid[0]);
- (*jnienv)->SetObjectField(jnienv, obj,
- gid_fieldid, bytearr);
- }
- }
- err: __os_free(dbenv, preps);
- out: return (retval);
- }
- JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbEnv_txn_1stat
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jint flags)
- {
- int err;
- DB_ENV *dbenv;
- DB_TXN_STAT *statp;
- jobject retval, obj;
- jclass dbclass, active_class;
- char active_signature[512];
- jfieldID arrid;
- jobjectArray actives;
- unsigned int i;
- retval = NULL;
- statp = NULL;
- dbenv = get_DB_ENV(jnienv, jthis);
- if (!verify_non_null(jnienv, dbenv))
- return (NULL);
- err = dbenv->txn_stat(dbenv, &statp, (u_int32_t)flags);
- if (verify_return(jnienv, err, 0)) {
- if ((dbclass = get_class(jnienv, name_DB_TXN_STAT)) == NULL ||
- (retval =
- create_default_object(jnienv, name_DB_TXN_STAT)) == NULL)
- goto err;
- /* Set the individual fields */
- __jv_fill_txn_stat(jnienv, dbclass, retval, statp);
- if ((active_class =
- get_class(jnienv, name_DB_TXN_STAT_ACTIVE)) == NULL ||
- (actives = (*jnienv)->NewObjectArray(jnienv,
- statp->st_nactive, active_class, 0)) == NULL)
- goto err;
- /*
- * Set the st_txnarray field. This is a little more involved
- * than other fields, since the type is an array, so none
- * of our utility functions help.
- */
- (void)snprintf(active_signature, sizeof(active_signature),
- "[L%s%s;", DB_PACKAGE_NAME, name_DB_TXN_STAT_ACTIVE);
- arrid = (*jnienv)->GetFieldID(jnienv, dbclass, "st_txnarray",
- active_signature);
- (*jnienv)->SetObjectField(jnienv, retval, arrid, actives);
- /* Now fill the in the elements of st_txnarray. */
- for (i=0; i<statp->st_nactive; i++) {
- obj = create_default_object(jnienv,
- name_DB_TXN_STAT_ACTIVE);
- (*jnienv)->SetObjectArrayElement(jnienv,
- actives, i, obj);
- set_int_field(jnienv, active_class, obj,
- "txnid", statp->st_txnarray[i].txnid);
- set_int_field(jnienv, active_class, obj, "parentid",
- statp->st_txnarray[i].parentid);
- set_lsn_field(jnienv, active_class, obj,
- "lsn", statp->st_txnarray[i].lsn);
- }
- err: __os_ufree(dbenv, statp);
- }
- return (retval);
- }
- /* See discussion on errpfx, errcall in DB_ENV_JAVAINFO */
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1set_1errcall
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jobject errcall)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (verify_non_null(jnienv, dbenv) &&
- verify_non_null(jnienv, dbenvinfo)) {
- dbjie_set_errcall(dbenvinfo, jnienv, errcall);
- }
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1set_1errpfx
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis, jstring str)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *dbenvinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- dbenvinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- if (verify_non_null(jnienv, dbenv) &&
- verify_non_null(jnienv, dbenvinfo)) {
- dbjie_set_errpfx(dbenvinfo, jnienv, str);
- }
- }
- JNIEXPORT void JNICALL Java_com_sleepycat_db_DbEnv__1finalize
- (JNIEnv *jnienv, /*DbEnv*/ jobject jthis,
- jobject /*DbErrcall*/ errcall, jstring errpfx)
- {
- DB_ENV *dbenv;
- DB_ENV_JAVAINFO *envinfo;
- dbenv = get_DB_ENV(jnienv, jthis);
- envinfo = get_DB_ENV_JAVAINFO(jnienv, jthis);
- DB_ASSERT(envinfo != NULL);
- /* Note: We detect and report unclosed DbEnvs. */
- if (dbenv != NULL && envinfo != NULL && !dbjie_is_dbopen(envinfo)) {
- /* If this error occurs, this object was never closed. */
- report_errcall(jnienv, errcall, errpfx,
- "DbEnv.finalize: open DbEnv object destroyed");
- }
- /* Shouldn't see this object again, but just in case */
- set_private_dbobj(jnienv, name_DB_ENV, jthis, 0);
- set_private_info(jnienv, name_DB_ENV, jthis, 0);
- dbjie_destroy(envinfo, jnienv);
- }