#ifndef _JAVA_UTIL_H_
#define _JAVA_UTIL_H_
#ifdef _MSC_VER
#pragma warning(disable: 4244 4201 4514 4127)
#endif
#include "db_config.h"
#include "db.h"
#include "db_int.h"
#include <jni.h>
#include "java_info.h"
#include "java_locked.h"
#include <string.h>
#define DB_PACKAGE_NAME "com/sleepycat/db/"
typedef union {
jlong java_long;
void *ptr;
} long_to_ptr;
#define NOT_IMPLEMENTED(str) \
report_exception(jnienv, str ": not implemented", 0)
#ifdef DBJAVA_DEBUG
#include <unistd.h>
static void wrdebug(const char *str)
{
write(2, str, strlen(str));
write(2, "\n", 1);
}
static jobject debug_new_global_ref(JNIEnv *jnienv, jobject obj, const char *s)
{
wrdebug(s);
return ((*jnienv)->NewGlobalRef(jnienv, obj));
}
static void debug_delete_global_ref(JNIEnv *jnienv, jobject obj, const char *s)
{
wrdebug(s);
(*jnienv)->DeleteGlobalRef(jnienv, obj);
}
#define NEW_GLOBAL_REF(jnienv, obj) \
debug_new_global_ref(jnienv, obj, "+Ref: " #obj)
#define DELETE_GLOBAL_REF(jnienv, obj) \
debug_delete_global_ref(jnienv, obj, "-Ref: " #obj)
#else
#define NEW_GLOBAL_REF(jnienv, obj) (*jnienv)->NewGlobalRef(jnienv, obj)
#define DELETE_GLOBAL_REF(jnienv, obj) (*jnienv)->DeleteGlobalRef(jnienv, obj)
#define wrdebug(x)
#endif
void one_time_init(JNIEnv *jnienv);
JNIEnv *get_jnienv(JavaVM *jvm);
void *get_private_dbobj(JNIEnv *jnienv, const char *classname,
jobject obj);
void set_private_dbobj(JNIEnv *jnienv, const char *classname,
jobject obj, void *value);
void *get_private_info(JNIEnv *jnienv, const char *classname,
jobject obj);
void set_private_info(JNIEnv *jnienv, const char *classname,
jobject obj, void *value);
jclass get_class(JNIEnv *jnienv, const char *classname);
void set_object_field(JNIEnv *jnienv, jclass class_of_this,
jobject jthis, const char *object_classname,
const char *name_of_field, jobject obj);
void set_int_field(JNIEnv *jnienv, jclass class_of_this,
jobject jthis, const char *name_of_field, jint value);
void set_long_field(JNIEnv *jnienv, jclass class_of_this,
jobject jthis, const char *name_of_field, jlong value);
void set_lsn_field(JNIEnv *jnienv, jclass class_of_this,
jobject jthis, const char *name_of_field, DB_LSN value);
static const u_int32_t EXCEPTION_FILE_NOT_FOUND = 0x0001;
void report_exception(JNIEnv *jnienv, const char *text,
int err, unsigned long expect_mask);
void report_notgranted_exception(JNIEnv *jnienv, const char *text,
db_lockop_t op, db_lockmode_t mode,
jobject jdbt, jobject jlock, int index);
jobject create_exception(JNIEnv *jnienv, jstring text,
int err, jclass dbexcept);
void report_errcall(JNIEnv *jnienv, jobject errcall,
jstring prefix, const char *message);
int verify_non_null(JNIEnv *jnienv, void *obj);
int verify_return(JNIEnv *jnienv, int err, unsigned long flags);
int verify_dbt(JNIEnv *jnienv, int err, LOCKED_DBT *locked_dbt);
jobject create_default_object(JNIEnv *jnienv, const char *class_name);
jobject create_dbt(JNIEnv *jnienv, const char *class_name);
jobject convert_object(JNIEnv *jnienv, const char *class_name, void *dbobj);
char *get_c_string(JNIEnv *jnienv, jstring jstr);
jstring get_java_string(JNIEnv *jnienv, const char* string);
DB *get_DB (JNIEnv *jnienv, jobject obj);
DB_BTREE_STAT *get_DB_BTREE_STAT (JNIEnv *jnienv, jobject obj);
DBC *get_DBC (JNIEnv *jnienv, jobject obj);
DB_ENV *get_DB_ENV (JNIEnv *jnienv, jobject obj);
DB_ENV_JAVAINFO *get_DB_ENV_JAVAINFO (JNIEnv *jnienv, jobject obj);
DB_HASH_STAT *get_DB_HASH_STAT (JNIEnv *jnienv, jobject obj);
DB_JAVAINFO *get_DB_JAVAINFO (JNIEnv *jnienv, jobject obj);
DB_LOCK *get_DB_LOCK (JNIEnv *jnienv, jobject obj);
DB_LOGC *get_DB_LOGC (JNIEnv *jnienv, jobject obj);
DB_LOG_STAT *get_DB_LOG_STAT (JNIEnv *jnienv, jobject obj);
DB_LSN *get_DB_LSN (JNIEnv *jnienv, jobject obj);
DB_MPOOL_FSTAT *get_DB_MPOOL_FSTAT(JNIEnv *jnienv, jobject obj);
DB_MPOOL_STAT *get_DB_MPOOL_STAT (JNIEnv *jnienv, jobject obj);
DB_QUEUE_STAT *get_DB_QUEUE_STAT (JNIEnv *jnienv, jobject obj);
DB_TXN *get_DB_TXN (JNIEnv *jnienv, jobject obj);
DB_TXN_STAT *get_DB_TXN_STAT (JNIEnv *jnienv, jobject obj);
DBT *get_DBT (JNIEnv *jnienv, jobject obj);
DBT_JAVAINFO *get_DBT_JAVAINFO (JNIEnv *jnienv, jobject obj);
jobject get_DbBtreeStat (JNIEnv *jnienv, DB_BTREE_STAT *dbobj);
jobject get_Dbc (JNIEnv *jnienv, DBC *dbobj);
jobject get_DbHashStat (JNIEnv *jnienv, DB_HASH_STAT *dbobj);
jobject get_DbLogc (JNIEnv *jnienv, DB_LOGC *dbobj);
jobject get_DbLogStat (JNIEnv *jnienv, DB_LOG_STAT *dbobj);
jobject get_DbLsn (JNIEnv *jnienv, DB_LSN dbobj);
jobject get_DbMpoolStat (JNIEnv *jnienv, DB_MPOOL_STAT *dbobj);
jobject get_DbMpoolFStat (JNIEnv *jnienv, DB_MPOOL_FSTAT *dbobj);
jobject get_DbQueueStat (JNIEnv *jnienv, DB_QUEUE_STAT *dbobj);
jobject get_const_Dbt (JNIEnv *jnienv, const DBT *dbt, DBT_JAVAINFO **retp);
jobject get_Dbt (JNIEnv *jnienv, DBT *dbt, DBT_JAVAINFO **retp);
jobject get_DbTxn (JNIEnv *jnienv, DB_TXN *dbobj);
jobject get_DbTxnStat (JNIEnv *jnienv, DB_TXN_STAT *dbobj);
extern const char * const name_DB;
extern const char * const name_DB_BTREE_STAT;
extern const char * const name_DBC;
extern const char * const name_DB_DEADLOCK_EX;
extern const char * const name_DB_ENV;
extern const char * const name_DB_EXCEPTION;
extern const char * const name_DB_HASH_STAT;
extern const char * const name_DB_LOCK;
extern const char * const name_DB_LOCK_STAT;
extern const char * const name_DB_LOGC;
extern const char * const name_DB_LOG_STAT;
extern const char * const name_DB_LSN;
extern const char * const name_DB_MEMORY_EX;
extern const char * const name_DB_MPOOL_FSTAT;
extern const char * const name_DB_MPOOL_STAT;
extern const char * const name_DB_LOCKNOTGRANTED_EX;
extern const char * const name_DB_PREPLIST;
extern const char * const name_DB_QUEUE_STAT;
extern const char * const name_DB_REP_STAT;
extern const char * const name_DB_RUNRECOVERY_EX;
extern const char * const name_DBT;
extern const char * const name_DB_TXN;
extern const char * const name_DB_TXN_STAT;
extern const char * const name_DB_TXN_STAT_ACTIVE;
extern const char * const name_DB_UTIL;
extern const char * const name_DbAppendRecno;
extern const char * const name_DbBtreeCompare;
extern const char * const name_DbBtreePrefix;
extern const char * const name_DbDupCompare;
extern const char * const name_DbEnvFeedback;
extern const char * const name_DbErrcall;
extern const char * const name_DbFeedback;
extern const char * const name_DbHash;
extern const char * const name_DbRecoveryInit;
extern const char * const name_DbRepTransport;
extern const char * const name_DbSecondaryKeyCreate;
extern const char * const name_DbTxnRecover;
extern const char * const name_RepElectResult;
extern const char * const name_RepProcessMessage;
extern const char * const string_signature;
extern jfieldID fid_Dbt_data;
extern jfieldID fid_Dbt_offset;
extern jfieldID fid_Dbt_size;
extern jfieldID fid_Dbt_ulen;
extern jfieldID fid_Dbt_dlen;
extern jfieldID fid_Dbt_doff;
extern jfieldID fid_Dbt_flags;
extern jfieldID fid_Dbt_must_create_data;
extern jfieldID fid_DbLockRequest_op;
extern jfieldID fid_DbLockRequest_mode;
extern jfieldID fid_DbLockRequest_timeout;
extern jfieldID fid_DbLockRequest_obj;
extern jfieldID fid_DbLockRequest_lock;
extern jfieldID fid_RepProcessMessage_envid;
#define JAVADB_ARGS JNIEnv *jnienv, jobject jthis
#define JAVADB_GET_FLD(j_class, j_fieldtype, j_field, c_type, c_field) \
JNIEXPORT j_fieldtype JNICALL \
Java_com_sleepycat_db_##j_class##_get_1##j_field \
(JAVADB_ARGS) \
{ \
c_type *db= get_##c_type(jnienv, jthis); \
\
if (verify_non_null(jnienv, db)) \
return (db->c_field); \
return (0); \
}
#define JAVADB_SET_FLD(j_class, j_fieldtype, j_field, c_type, c_field) \
JNIEXPORT void JNICALL \
Java_com_sleepycat_db_##j_class##_set_1##j_field \
(JAVADB_ARGS, j_fieldtype value) \
{ \
c_type *db= get_##c_type(jnienv, jthis); \
\
if (verify_non_null(jnienv, db)) \
db->c_field = value; \
}
#define JAVADB_METHOD(_meth, _argspec, c_type, c_meth, _args) \
JNIEXPORT void JNICALL Java_com_sleepycat_db_##_meth _argspec \
{ \
c_type *c_this = get_##c_type(jnienv, jthis); \
int ret; \
\
if (!verify_non_null(jnienv, c_this)) \
return; \
ret = c_this->c_meth _args; \
if (!DB_RETOK_STD(ret)) \
report_exception(jnienv, db_strerror(ret), ret, 0); \
}
#define JAVADB_METHOD_INT(_meth, _argspec, c_type, c_meth, _args, _retok) \
JNIEXPORT jint JNICALL Java_com_sleepycat_db_##_meth _argspec \
{ \
c_type *c_this = get_##c_type(jnienv, jthis); \
int ret; \
\
if (!verify_non_null(jnienv, c_this)) \
return (0); \
ret = c_this->c_meth _args; \
if (!_retok(ret)) \
report_exception(jnienv, db_strerror(ret), ret, 0); \
return ((jint)ret); \
}
#define JAVADB_SET_METH(j_class, j_type, j_fld, c_type, c_field) \
JAVADB_METHOD(j_class##_set_1##j_fld, (JAVADB_ARGS, j_type val), c_type, \
set_##c_field, (c_this, val))
#define JAVADB_SET_METH_STR(j_class, j_fld, c_type, c_field) \
JAVADB_METHOD(j_class##_set_1##j_fld, (JAVADB_ARGS, jstring val), c_type, \
set_##c_field, (c_this, (*jnienv)->GetStringUTFChars(jnienv, val, NULL)))
#define JAVADB_STAT_INT(env, cl, jobj, statp, name) \
set_int_field(jnienv, cl, jobj, #name, statp->name)
#define JAVADB_STAT_LSN(env, cl, jobj, statp, name) \
set_lsn_field(jnienv, cl, jobj, #name, statp->name)
#define JAVADB_STAT_LONG(env, cl, jobj, statp, name) \
set_long_field(jnienv, cl, jobj, #name, statp->name)
#define JAVADB_STAT_ACTIVE(env, cl, jobj, statp, name) \
do {} while(0)
#endif