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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)java_DbMpool.cpp 10.5 (Sleepycat) 10/24/98";
#endif /* not lint */
#include <jni.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "db.h"
#include "java_util.h"
#include "com_sleepycat_db_DbMpool.h"
JNIEXPORT jobject JNICALL Java_com_sleepycat_db_DbMpool_stat
(JNIEnv *jnienv, jobject jthis)
{
int err;
DB_MPOOL *dbmpool = get_DB_MPOOL(jnienv, jthis);
DB_MPOOL_STAT *statp = NULL;
jobject retval = NULL;
if (!verify_non_null(jnienv, dbmpool))
return NULL;
// We cannot use the default allocator (on Win* platforms anyway)
// because it often causes problems when we free storage
// in a DLL that was allocated in another DLL. Using
// our own allocator (ours just calls malloc!) ensures
// that there is no mismatch.
//
err = memp_stat(dbmpool, &statp, 0, allocMemory);
if (verify_return(jnienv, err)) {
retval = create_default_object(jnienv, name_DB_MPOOL_STAT);
jclass dbclass = get_class(jnienv, name_DB_MPOOL_STAT);
set_int_field(jnienv, dbclass, retval,
"st_cachesize", statp->st_cachesize);
set_int_field(jnienv, dbclass, retval,
"st_cache_hit", statp->st_cache_hit);
set_int_field(jnienv, dbclass, retval,
"st_cache_miss", statp->st_cache_miss);
set_int_field(jnienv, dbclass, retval,
"st_map", statp->st_map);
set_int_field(jnienv, dbclass, retval,
"st_page_create", statp->st_page_create);
set_int_field(jnienv, dbclass, retval,
"st_page_in", statp->st_page_in);
set_int_field(jnienv, dbclass, retval,
"st_page_out", statp->st_page_out);
set_int_field(jnienv, dbclass, retval,
"st_ro_evict", statp->st_ro_evict);
set_int_field(jnienv, dbclass, retval,
"st_rw_evict", statp->st_rw_evict);
set_int_field(jnienv, dbclass, retval,
"st_hash_buckets", statp->st_hash_buckets);
set_int_field(jnienv, dbclass, retval,
"st_hash_searches", statp->st_hash_searches);
set_int_field(jnienv, dbclass, retval,
"st_hash_longest", statp->st_hash_longest);
set_int_field(jnienv, dbclass, retval,
"st_hash_examined", statp->st_hash_examined);
set_int_field(jnienv, dbclass, retval,
"st_page_clean", statp->st_page_clean);
set_int_field(jnienv, dbclass, retval,
"st_page_dirty", statp->st_page_dirty);
set_int_field(jnienv, dbclass, retval,
"st_page_trickle", statp->st_page_trickle);
set_int_field(jnienv, dbclass, retval,
"st_region_wait", statp->st_region_wait);
set_int_field(jnienv, dbclass, retval,
"st_region_nowait", statp->st_region_nowait);
set_int_field(jnienv, dbclass, retval,
"st_refcnt", statp->st_refcnt);
set_int_field(jnienv, dbclass, retval,
"st_regsize", statp->st_regsize);
freeMemory(statp);
}
return retval;
}
JNIEXPORT jobjectArray JNICALL Java_com_sleepycat_db_DbMpool_fstat
(JNIEnv *jnienv, jobject jthis)
{
int err;
DB_MPOOL *dbmpool = get_DB_MPOOL(jnienv, jthis);
DB_MPOOL_FSTAT **fstatp = NULL;
jobjectArray retval = NULL;
if (!verify_non_null(jnienv, dbmpool))
return NULL;
// We cannot use the default allocator (on Win* platforms anyway)
// because it often causes problems when we free storage
// in a DLL that was allocated in another DLL. Using
// our own allocator (ours just calls malloc!) ensures
// that there is no mismatch.
//
err = memp_stat(dbmpool, 0, &fstatp, allocMemory);
if (verify_return(jnienv, err)) {
int len = 0;
while (fstatp[len])
len++;
jclass fstat_class = get_class(jnienv, name_DB_MPOOL_FSTAT);
retval = jnienv->NewObjectArray(len, fstat_class, 0);
for (int i=0; i<len; i++) {
jobject obj = create_default_object(jnienv, name_DB_MPOOL_FSTAT);
jnienv->SetObjectArrayElement(retval, i, obj);
// Set the string field.
jfieldID filename_id = jnienv->GetFieldID(fstat_class,
"file_name",
string_signature);
jnienv->SetObjectField(obj, filename_id,
get_java_string(jnienv, fstatp[i]->file_name));
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);
freeMemory(fstatp[i]);
}
freeMemory(fstatp);
}
return retval;
}
JNIEXPORT jint JNICALL Java_com_sleepycat_db_DbMpool_trickle
(JNIEnv *jnienv, jobject jthis, jint pct)
{
int err;
DB_MPOOL *dbmpool = get_DB_MPOOL(jnienv, jthis);
int result = 0;
if (verify_non_null(jnienv, dbmpool)) {
err = memp_trickle(dbmpool, pct, &result);
verify_return(jnienv, err);
}
return result;
}
JNIEXPORT void JNICALL Java_com_sleepycat_db_DbMpool_finalize
(JNIEnv *jnienv, jobject jthis)
{
DB_MPOOL *dbmpool = get_DB_MPOOL(jnienv, jthis);
if (dbmpool) {
// Free any data related to DB_MPOOL here
}
}
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