poold/libjpool/jpool.c

	jpool.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <errno.h>
#include <jni.h>
#include <pool.h>
#include <stdlib.h>
#include <string.h>

#include <sys/time.h>

#include "jpool.h"

struct pool_callback {
    jobject pc_user;
    jobject pc_handler;
    jobject pc_elem;
    JNIEnv  *pc_env;
};

static void throwException(JNIEnv *, const char *, const char *);
static void throw_pe(JNIEnv *);
static jobject makeUnsignedInt64(JNIEnv *, uint64_t);
static int pool_property_walker(pool_conf_t *, pool_elem_t *p, const char *,
    pool_value_t *, void *);
static jobject copyArray(JNIEnv *, void **);

/*
 * Cached class, method, and field IDs.
 */
static jclass ui64class;
static jmethodID ui64cons_mid;

/*
 * Throw an exception of the specified class with the specified message.
 */
void
throwException(JNIEnv *env, const char *class, const char *msg)
{
    jclass clazz;

    clazz = (*env)->FindClass(env, class);

    (*env)->ThrowNew(env, clazz, msg);
}

/*
 * Throw a PoolsException.
 */
void
throw_pe(JNIEnv *jenv)
{
    jclass clazz;
    jmethodID mid;
    jthrowable throwObj;

    clazz = (*jenv)->FindClass(jenv,
        "com/sun/solaris/service/pools/PoolsException");
    mid = (*jenv)->GetMethodID(jenv, clazz, "<init>", "()V");
    throwObj = (*jenv)->NewObject(jenv, clazz, mid);
    (*jenv)->Throw(jenv, throwObj);
}

/*
 * Return an instance of an UnsignedInt64 class which encapsulates the
 * supplied value.
 */
jobject
makeUnsignedInt64(JNIEnv *env, uint64_t value)
{
    jobject valueObj;
    jobject byteArray;
    jbyte *bytes;
    int i;

    if (!(byteArray = (*env)->NewByteArray(env, 9)))
        return (NULL); /* OutOfMemoryError thrown */
    if (!(bytes = (*env)->GetByteArrayElements(env, byteArray, NULL)))
        return (NULL); /* OutOfMemoryError thrown */

    /*
     * Interpret the uint64_t as a 9-byte big-endian signed quantity
     * suitable for constructing an UnsignedInt64 or BigInteger.
     */
    for (i = 8; i >= 1; i--) {
        bytes[i] = value & 0xff;
        value >>= 8;
    }
    bytes[0] = 0;
    (*env)->ReleaseByteArrayElements(env, byteArray, bytes, 0);

    if (!(valueObj = (*env)->NewObject(env, ui64class, ui64cons_mid,
        byteArray)))
        return (NULL); /* exception thrown */

    return (valueObj);
}

/*
 * Create an array list and then copy the native array into it
 */
jobject
copyArray(JNIEnv *jenv, void **nativeArray)
{
    int i;
    jobject jresult = NULL;

    if (nativeArray != NULL) {
        jclass ALclazz;
        jmethodID ALinit, ALadd;
        jclass Lclazz;
        jmethodID Linit;

        ALclazz = (*jenv)->FindClass(jenv,
            "java/util/ArrayList");
        ALinit = (*jenv)->GetMethodID(jenv,
            ALclazz, "<init>", "()V");
        ALadd = (*jenv)->GetMethodID(jenv,
            ALclazz, "add", "(Ljava/lang/Object;)Z");
        jresult = (*jenv)->NewObject(jenv, ALclazz, ALinit);
        Lclazz = (*jenv)->FindClass(jenv, "java/lang/Long");
        Linit = (*jenv)->GetMethodID(jenv,
            Lclazz, "<init>", "(J)V");
        for (i = 0; nativeArray[i] != NULL; i++) {
            jobject L;
            /* Build longs and add them */
            L = (*jenv)->NewObject(jenv,
                Lclazz, Linit, (jlong)(uintptr_t)nativeArray[i]);
            (*jenv)->CallBooleanMethod(jenv,
                jresult, ALadd, L);
        }
        free(nativeArray);
    }
    return (jresult);
}

/*
 * pool_version(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1version(JNIEnv *jenv,
    jclass jcls, jlong jver) {
    return ((jlong)pool_version((uint_t)jver));
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POX_1NATIVE(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POX_NATIVE);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POX_1TEXT(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POX_TEXT);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1INVAL(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_INVAL);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1UINT(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_UINT);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1INT(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_INT);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1DOUBLE(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_DOUBLE);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1BOOL(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_BOOL);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POC_1STRING(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POC_STRING);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POV_1NONE(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POV_NONE);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POV_1LOOSE(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POV_LOOSE);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POV_1STRICT(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POV_STRICT);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POV_1RUNTIME(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POV_RUNTIME);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POF_1INVALID(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POF_INVALID);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POF_1VALID(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POF_VALID);
}

/*
 * native constant accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_get_1POF_1DESTROY(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)POF_DESTROY);
}

/*
 * pool_error(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1error(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)pool_error());
}

/*
 * pool_strerror(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1strerror(JNIEnv *jenv,
    jclass jcls, jint jperr) {
    jstring jresult = NULL;
    char *result;

    result = (char *)pool_strerror((int)jperr);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * strerror(3c) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1strerror_1sys(JNIEnv *
    jenv, jclass jcls) {
    jstring jresult = NULL;
    char *result;

    result = (char *)strerror(errno);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * errno(3c) accessor
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolsException_getErrno(JNIEnv *jenv,
    jclass jcls) {
    return ((jint)errno);
}

/*
 * pool_resource_type_list(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1type_1list(
    JNIEnv *jenv, jclass jcls, jlong jreslist, jlong jnumres) {
    char **reslist = (char **)jreslist;
    uint_t *numres = (uint_t *)jnumres;

    return ((jint)pool_resource_type_list((char const **)reslist, numres));
}

/*
 * pool_get_status(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1status(JNIEnv *jenv,
    jclass jcls, jlong jstatep) {
    return ((jint)pool_get_status((int *)jstatep));
}

/*
 * pool_set_status(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1set_1status(JNIEnv *jenv,
    jclass jcls, jint jstate) {
    return ((jint)pool_set_status((int)jstate));
}

/*
 * pool_conf_alloc(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1alloc(JNIEnv *jenv,
    jclass jcls) {
    return ((jlong)(uintptr_t)pool_conf_alloc());
}

/*
 * pool_conf_free(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1free(JNIEnv *jenv,
    jclass jcls, jlong jconf) {
    pool_conf_free((pool_conf_t *)jconf);
}

/*
 * pool_conf_status(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1status(JNIEnv *jenv,
    jclass jcls, jlong jconf) {
    return ((jint)pool_conf_status((pool_conf_t *)jconf));
}

/*
 * pool_conf_close(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1close(JNIEnv *jenv,
    jclass jcls, jlong jconf) {
    return ((jint)pool_conf_close((pool_conf_t *)jconf));
}

/*
 * pool_conf_remove(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1remove(JNIEnv *jenv,
    jclass jcls, jlong jconf) {
    return ((jint)pool_conf_remove((pool_conf_t *)jconf));
}

/*
 * pool_conf_open(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1open(JNIEnv *jenv,
    jclass jcls, jlong jconf, jstring jlocation, jint jflags) {
    const char *location;
    int result;

    location = (jlocation) ? (*jenv)->GetStringUTFChars(jenv,
        jlocation, 0) : NULL;
    result = (int)pool_conf_open((pool_conf_t *)jconf, location,
        (int)jflags);

    if (location)
        (*jenv)->ReleaseStringUTFChars(jenv, jlocation, location);
    return ((jint)result);
}

/*
 * pool_conf_rollback(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1rollback(
    JNIEnv *jenv, jclass jcls, jlong jconf) {
    return ((jint)pool_conf_rollback((pool_conf_t *)jconf));
}

/*
 * pool_conf_commit(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1commit(JNIEnv *jenv,
    jclass jcls, jlong jconf, jint jactive) {
    return ((jint)pool_conf_commit((pool_conf_t *)jconf, (int)jactive));
}

/*
 * pool_conf_export(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1export(JNIEnv *jenv,
    jclass jcls, jlong jconf, jstring jlocation, jint jformat) {
    const char *location;
    int result;

    location = (jlocation) ? (*jenv)->GetStringUTFChars(jenv,
        jlocation, 0) : NULL;
    result = (int)pool_conf_export((pool_conf_t *)jconf,
        location, (pool_export_format_t)jformat);

    if (location)
        (*jenv)->ReleaseStringUTFChars(jenv, jlocation, location);
    return ((jint)result);
}

/*
 * pool_conf_validate(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1validate(
    JNIEnv *jenv, jclass jcls, jlong jconf, jint jlevel) {
    return ((jint)pool_conf_validate((pool_conf_t *)jconf,
            (pool_valid_level_t)jlevel));
}

/*
 * pool_conf_update(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1update(JNIEnv *jenv,
    jclass jcls, jlong jconf) {
    int changed;
    int result;

    result = pool_conf_update((pool_conf_t *)jconf, &changed);

    if (result != PO_SUCCESS) {
        throw_pe(jenv);
    }

    return ((jint)changed);
}

/*
 * pool_get_pool(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1pool(JNIEnv *jenv,
    jclass jcls, jlong jconf, jstring jname) {
    const char *name;
    pool_t *result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) :
        NULL;
    result = (pool_t *)pool_get_pool((pool_conf_t *)jconf, name);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jlong)(uintptr_t)result);
}

/*
 * pool_query_pools(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1query_1pools(JNIEnv *jenv,
    jclass jcls, jlong jconf, jobject jprops) {
    pool_value_t **props;
    pool_t **result;
    jclass Lclazz;
    jmethodID Lsize;
    jint size;
    uint_t nelem;
    int i;


    /*
     * Initialize the target parameter for case when input is null
     */
    props = NULL;
    if (jprops != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jprops);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jprops, Lsize);

        if (size != 0) {
            jmethodID Lget;

            Lget = (*jenv)->GetMethodID(jenv, Lclazz, "get",
                "(I)Ljava/lang/Object;");
            /*
             * Allocate space for the props array
             */

            if ((props = calloc(size + 1, sizeof (pool_value_t *)))
                == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate props array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jfieldID Vthis;
                jlong this;

                aVal = (*jenv)->CallObjectMethod(jenv, jprops,
                    Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv, aVal);
                Vthis = (*jenv)->GetFieldID(jenv, Vclazz,
                    "_this", "J");
                this = (*jenv)->GetLongField(jenv, aVal, Vthis);
                props[i] = (pool_value_t *)this;
            }
        }
    }
    result = pool_query_pools((pool_conf_t *)jconf, &nelem,
        props);
    free(props);
    return (copyArray(jenv, (void **)result));
}

/*
 * pool_get_resource(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1resource(
    JNIEnv *jenv, jclass jcls, jlong jconf, jstring jtype, jstring jname) {
    const char *type;
    const char *name;
    pool_resource_t *result;

    type = (jtype) ? (*jenv)->GetStringUTFChars(jenv, jtype, 0) :
        NULL;
    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) :
        NULL;
    result = pool_get_resource((pool_conf_t *)jconf, type, name);

    if (type)
        (*jenv)->ReleaseStringUTFChars(jenv, jtype, type);
    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jlong)(uintptr_t)result);
}

/*
 * pool_query_resources(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1query_1resources(
    JNIEnv *jenv, jclass jcls, jlong jconf, jobject jprops) {
    pool_value_t **props;
    pool_resource_t **result;
    jclass Lclazz;
    jmethodID Lsize;
    jint size;
    uint_t nelem;
    int i;

    /*
     * Initialize the target parameter for case when input is null
     */
    props = NULL;
    if (jprops != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jprops);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jprops, Lsize);

        if (size != 0) {
            jmethodID Lget;

            Lget = (*jenv)->GetMethodID(jenv, Lclazz, "get",
                "(I)Ljava/lang/Object;");
            /*
             * Allocate space for the props array
             */
            if ((props = calloc(size + 1, sizeof (pool_value_t *)))
                == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate props array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jfieldID Vthis;
                jlong this;


                aVal = (*jenv)->CallObjectMethod(jenv, jprops,
                    Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv, aVal);
                Vthis = (*jenv)->GetFieldID(jenv, Vclazz,
                    "_this", "J");
                this = (*jenv)->GetLongField(jenv, aVal, Vthis);
                props[i] = (pool_value_t *)this;
            }
        }
    }
    result = pool_query_resources((pool_conf_t *)jconf, &nelem,
        props);
    free(props);
    return (copyArray(jenv, (void *)result));
}

/*
 * pool_query_components(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1query_1components(
    JNIEnv *jenv, jclass jcls, jlong jconf, jobject jprops) {
    pool_value_t **props;
    pool_component_t **result;
    jclass Lclazz;
    jmethodID Lsize;
    jint size;
    uint_t nelem;
    int i;

    /*
     * Initialize the target parameter for case when input is null
     */
    props = NULL;
    if (jprops != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jprops);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jprops, Lsize);

        if (size != 0) {
            jmethodID Lget;

            Lget = (*jenv)->GetMethodID(jenv, Lclazz, "get",
                "(I)Ljava/lang/Object;");
            /*
             * Allocate space for the props array
             */

            if ((props = calloc(size + 1, sizeof (pool_value_t *)))
                == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate props array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jfieldID Vthis;
                jlong this;

                aVal = (*jenv)->CallObjectMethod(jenv, jprops,
                    Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv, aVal);
                Vthis = (*jenv)->GetFieldID(jenv, Vclazz,
                    "_this", "J");
                this = (*jenv)->GetLongField(jenv, aVal, Vthis);
                props[i] = (pool_value_t *)this;
            }
        }
    }
    result = pool_query_components((pool_conf_t *)jconf, &nelem,
        props);
    free(props);
    return (copyArray(jenv, (void **)result));
}

/*
 * pool_conf_location(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1location(
    JNIEnv *jenv, jclass jcls, jlong jconf) {
    jstring jresult = NULL;
    const char *result;

    result = pool_conf_location((pool_conf_t *)jconf);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * pool_conf_info(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1info(JNIEnv *jenv,
    jclass jcls, jlong jconf, jint jflags) {
    jstring jresult = NULL;
    const char *result;

    result = pool_conf_info((pool_conf_t *)jconf, (int)jflags);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    return (jresult);
}

/*
 * pool_resource_create(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1create(
    JNIEnv *jenv, jclass jcls, jlong jconf, jstring jtype, jstring jname) {
    const char *type;
    const char *name;
    pool_resource_t *result;

    type = (jtype) ? (*jenv)->GetStringUTFChars(jenv, jtype, 0) :
        NULL;
    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) :
        NULL;
    result = pool_resource_create((pool_conf_t *)jconf, type, name);

    if (type)
        (*jenv)->ReleaseStringUTFChars(jenv, jtype, type);
    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jlong)(uintptr_t)result);
}

/*
 * pool_resource_destroy(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1destroy(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jresource) {
    return ((jint)pool_resource_destroy((pool_conf_t *)jconf,
            (pool_resource_t *)jresource));
}

/*
 * pool_resource_transfer(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1transfer(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jsource, jlong jtarget,
    jlong jsize) {
    return (pool_resource_transfer((pool_conf_t *)jconf,
            (pool_resource_t *)jsource, (pool_resource_t *)jtarget,
            (uint64_t)jsize));
}

/*
 * pool_resource_xtransfer(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1xtransfer(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jsource, jlong jtarget,
    jobject jcomponents) {
    pool_component_t **components;
    int result;
    jclass Lclazz;
    jmethodID Lsize;
    jint size;

    /*
     * Initialize the target parameter for case when input is null
     */
    components = NULL;
    if (jcomponents != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jcomponents);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jcomponents, Lsize);

        if (size != 0) {
            jmethodID Lget;
            int i;

            Lget = (*jenv)->GetMethodID(jenv,
                Lclazz, "get", "(I)Ljava/lang/Object;");
            /* Allocate space for the components array */

            if ((components = calloc(size + 1,
                sizeof (pool_component_t *))) == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate component array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jlong this;
                jmethodID Vthis;

                aVal = (*jenv)->CallObjectMethod(jenv,
                    jcomponents, Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv,
                    aVal);
                Vthis = (*jenv)->GetMethodID(jenv,
                    Vclazz, "getComponent", "()J");
                this = (*jenv)->CallLongMethod(jenv,
                    aVal, Vthis);
                components[i] = (pool_component_t *)this;
            }
        }
    }
    result = (int)pool_resource_xtransfer((pool_conf_t *)jconf,
        (pool_resource_t *)jsource, (pool_resource_t *)jtarget,
        components);
    free(components);

    return ((jint)result);
}

/*
 * pool_query_resource_components(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1query_1resource_\
1components(JNIEnv *jenv, jclass jcls, jlong jconf, jlong jresource,
    jobject jprops) {
    pool_value_t **props;
    pool_component_t **result;
    jclass Lclazz;
    jmethodID Lsize;
    uint_t nelem;
    jint size;

    /*
     * Initialize the target parameter for case when input is null
     */
    props = NULL;
    if (jprops != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jprops);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jprops, Lsize);

        if (size != 0) {
            jmethodID Lget;
            int i;

            Lget = (*jenv)->GetMethodID(jenv, Lclazz, "get",
                "(I)Ljava/lang/Object;");
            /*
             * Allocate space for the props array
             */
            if ((props = calloc(size + 1, sizeof (pool_value_t *)))
                == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate props array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jfieldID Vthis;
                jlong this;

                aVal = (*jenv)->CallObjectMethod(jenv, jprops,
                    Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv, aVal);
                Vthis = (*jenv)->GetFieldID(jenv, Vclazz,
                    "_this", "J");
                this = (*jenv)->GetLongField(jenv, aVal, Vthis);
                props[i] = (pool_value_t *)this;
            }
        }
    }
    result = pool_query_resource_components((pool_conf_t *)jconf,
        (pool_resource_t *)jresource, &nelem, props);
    free(props);
    return (copyArray(jenv, (void **)result));
}

/*
 * pool_resource_info(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1info(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jresource, jint jflags) {
    jstring jresult = NULL;
    const char *result;

    result = (char *)pool_resource_info((pool_conf_t *)jconf,
        (pool_resource_t *)jresource, (int)jflags);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    return (jresult);
}

/*
 * pool_create(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1create(JNIEnv *jenv,
    jclass jcls, jlong jconf, jstring jname) {
    const char *name;
    pool_t *result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) :
        NULL;
    result = pool_create((pool_conf_t *)jconf, name);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jlong)(uintptr_t)result);
}

/*
 * pool_destroy(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1destroy(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jpool) {
    return ((jint)pool_destroy((pool_conf_t *)jconf, (pool_t *)jpool));
}

/*
 * pool_associate(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1associate(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jpool, jlong jresource) {
    return ((jint)pool_associate((pool_conf_t *)jconf, (pool_t *)jpool,
        (pool_resource_t *)jresource));
}

/*
 * pool_dissociate(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1dissociate(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jpool, jlong jresource) {
    return ((jint)pool_dissociate((pool_conf_t *)jconf, (pool_t *)jpool,
        (pool_resource_t *)jresource));
}

/*
 * pool_info(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1info(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jpool, jint jflags) {
    jstring jresult = NULL;
    const char *result;

    result = pool_info((pool_conf_t *)jconf,
        (pool_t *)jpool, (int)jflags);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    return (jresult);
}

/*
 * pool_query_pool_resources(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1query_1pool_1resources(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jpool, jobject jprops) {
    pool_value_t **props;
    pool_resource_t **result;
    jclass Lclazz;
    jmethodID Lsize;
    uint_t nelem;
    jint size;

    /*
     * Initialize the target parameter for case when input is null
     */
    props = NULL;
    if (jprops != NULL) {
        Lclazz = (*jenv)->GetObjectClass(jenv, jprops);
        Lsize = (*jenv)->GetMethodID(jenv, Lclazz, "size", "()I");
        size = (*jenv)->CallIntMethod(jenv, jprops, Lsize);

        if (size != 0) {
            jmethodID Lget;
            int i;

            Lget = (*jenv)->GetMethodID(jenv,
                Lclazz, "get", "(I)Ljava/lang/Object;");
            /*
             * Allocate space for the props array
             */

            if ((props = calloc(size + 1, sizeof (pool_value_t *)))
                == NULL) {
                throwException(jenv, "java/lang/Exception",
                    "Could not allocate props array");
                return (NULL);
            }
            /*
             * Copy in the array
             */
            for (i = 0; i < size; i++) {
                jobject aVal;
                jclass Vclazz;
                jfieldID Vthis;
                jlong this;

                aVal = (*jenv)->CallObjectMethod(jenv, jprops,
                    Lget, (jint) i);
                Vclazz = (*jenv)->GetObjectClass(jenv, aVal);
                Vthis = (*jenv)->GetFieldID(jenv, Vclazz,
                    "_this", "J");
                this = (*jenv)->GetLongField(jenv, aVal, Vthis);
                props[i] = (pool_value_t *)this;
            }
        }
    }
    result = pool_query_pool_resources((pool_conf_t *)jconf,
        (pool_t *)jpool, &nelem, props);
    free(props);
    return (copyArray(jenv, (void **)result));
}

/*
 * pool_get_owning_resource(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1owning_1resource(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jcomponent) {
    return ((jlong)(uintptr_t)pool_get_owning_resource((pool_conf_t *)jconf,
        (pool_component_t *)jcomponent));
}

/*
 * pool_component_info(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1component_1info(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jcomponent, jint jflags) {
    jstring jresult = NULL;
    const char *result;

    result = pool_component_info((pool_conf_t *)jconf,
        (pool_component_t *)jcomponent, (int)jflags);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    return (jresult);
}

/*
 * pool_get_property(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1property(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jelem, jstring jname,
    jlong jproperty) {
    const char *name;
    int result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) :
        NULL;
    result = pool_get_property((pool_conf_t *)jconf,
        (pool_elem_t *)jelem, name, (pool_value_t *)jproperty);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jint)result);
}

/*
 * pool_put_property(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1put_1property(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jelem, jstring jname,
    jlong jvalue) {
    const char *name;
    int result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) : NULL;
    result = (int)pool_put_property((pool_conf_t *)jconf,
        (pool_elem_t *)jelem, name, (pool_value_t *)jvalue);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jint)result);
}

/*
 * pool_rm_property(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1rm_1property(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jelem, jstring jname) {
    const char *name;
    int result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) : NULL;
    result = pool_rm_property((pool_conf_t *)jconf, (pool_elem_t *)jelem,
        name);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jint)result);
}

/*
 * pool_walk_properties(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1walk_1properties(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jelem, jlong jarg,
    jlong jcallback) {
    int result;

    result = (int)pool_walk_properties((pool_conf_t *)jconf,
        (pool_elem_t *)jelem, (void *)jarg,
        (int (*)(pool_conf_t *, pool_elem_t *, char const *,
        pool_value_t *, void *))jcallback);

    return ((jint)result);
}

/*
 * pool_conf_to_elem(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1conf_1to_1elem(
    JNIEnv *jenv, jclass jcls, jlong jconf) {
    return ((jlong)(uintptr_t)pool_conf_to_elem((pool_conf_t *)jconf));
}

/*
 * pool_to_elem(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1to_1elem(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jpool) {
    return ((jlong)(uintptr_t)pool_to_elem((pool_conf_t *)jconf,
        (pool_t *)jpool));
}

/*
 * pool_resource_to_elem(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1resource_1to_1elem(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jresource) {
    return ((jlong)(uintptr_t)pool_resource_to_elem((pool_conf_t *)jconf,
        (pool_resource_t *)jresource));
}

/*
 * pool_component_to_elem(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1component_1to_1elem(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jcomponent) {
    return ((jlong)(uintptr_t)pool_component_to_elem((pool_conf_t *)jconf,
        (pool_component_t *)jcomponent));
}

/*
 * pool_value_get_type(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1get_1type(
    JNIEnv *jenv, jclass jcls, jlong jvalue) {
    return ((jint)pool_value_get_type((pool_value_t *)jvalue));
}

/*
 * pool_value_set_uint64(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1uint64(
    JNIEnv *jenv, jclass jcls, jlong jvalue, jlong jui64) {
    pool_value_set_uint64((pool_value_t *)jvalue, (uint64_t)jui64);
}

/*
 * pool_value_set_int64(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1int64(
    JNIEnv *jenv, jclass jcls, jlong jvalue, jlong ji64) {
    pool_value_set_int64((pool_value_t *)jvalue, (int64_t)ji64);
}

/*
 * pool_value_set_double(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1double(
    JNIEnv *jenv, jclass jcls, jlong jvalue, jdouble jd) {
    pool_value_set_double((pool_value_t *)jvalue, (double)jd);
}

/*
 * pool_value_set_bool(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1bool(
    JNIEnv *jenv, jclass jcls, jlong jvalue, jshort jb) {
    pool_value_set_bool((pool_value_t *)jvalue, (uchar_t)jb);
}

/*
 * pool_value_set_string(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1string(
    JNIEnv * jenv, jclass jcls, jlong jvalue, jstring jstr) {
    const char *str;
    int result;

    str = (jstr) ? (*jenv)->GetStringUTFChars(jenv, jstr, 0) : NULL;
    result = pool_value_set_string((pool_value_t *)jvalue, str);

    if (str)
        (*jenv)->ReleaseStringUTFChars(jenv, jstr, str);
    return ((jint)result);
}

/*
 * pool_value_get_name(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1get_1name(
    JNIEnv *jenv, jclass jcls, jlong jvalue) {
    jstring jresult = NULL;
    const char *result;

    result = pool_value_get_name((pool_value_t *)jvalue);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * pool_value_set_name(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1set_1name(
    JNIEnv *jenv, jclass jcls, jlong jvalue, jstring jname) {
    const char *name;
    int result;

    name = (jname) ? (*jenv)->GetStringUTFChars(jenv, jname, 0) : NULL;
    result = pool_value_set_name((pool_value_t *)jvalue, name);

    if (name)
        (*jenv)->ReleaseStringUTFChars(jenv, jname, name);
    return ((jint)result);
}

/*
 * pool_value_alloc(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1alloc(JNIEnv *jenv,
    jclass jcls) {
    return ((jlong)(uintptr_t)pool_value_alloc());
}

/*
 * pool_value_free(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1value_1free(JNIEnv *jenv,
    jclass jcls, jlong jvalue) {
    pool_value_free((pool_value_t *)jvalue);
}

/*
 * pool_static_location(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1static_1location(
    JNIEnv *jenv, jclass jcls) {
    jstring jresult = NULL;
    const char *result;

    result = pool_static_location();

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * pool_dynamic_location(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1dynamic_1location(JNIEnv *
    jenv, jclass jcls) {
    jstring jresult = NULL;
    const char *result;

    result = pool_dynamic_location();

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    return (jresult);
}

/*
 * pool_set_binding(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1set_1binding(JNIEnv *jenv,
    jclass jcls, jstring jpool, jint jidtype, jint jpid) {
    const char *pool;
    int result;

    pool = (jpool) ? (*jenv)->GetStringUTFChars(jenv, jpool, 0) : NULL;
    result = (int)pool_set_binding(pool, (idtype_t)jidtype, (id_t)jpid);

    if (pool)
        (*jenv)->ReleaseStringUTFChars(jenv, jpool, pool);
    return ((jint)result);
}

/*
 * pool_get_binding(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1binding(JNIEnv *jenv,
    jclass jcls, jint jpid) {
    jstring jresult = NULL;
    const char *result;

    result = pool_get_binding((pid_t)jpid);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    return (jresult);
}

/*
 * pool_get_resource_binding(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1get_1resource_1binding(
    JNIEnv *jenv, jclass jcls, jstring jtype, jint jpid) {
    jstring jresult = NULL;
    const char *type;
    const char *result;

    type = (jtype) ? (*jenv)->GetStringUTFChars(jenv, jtype, 0) : NULL;
    result = pool_get_resource_binding(type, (pid_t)jpid);

    if (result)
        jresult = (*jenv)->NewStringUTF(jenv, result);
    free((void *)result);
    if (type)
        (*jenv)->ReleaseStringUTFChars(jenv, jtype, type);
    return (jresult);
}

/*
 * pool_walk_pools(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1walk_1pools(JNIEnv *jenv,
    jclass jcls, jlong jconf, jlong jarg, jlong jcallback) {
    int result;

    result = pool_walk_pools((pool_conf_t *)jconf, (void *)jarg,
        (int (*)(pool_conf_t *, pool_t *, void *))jcallback);
    return ((jint)result);
}

/*
 * pool_walk_resources(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1walk_1resources(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jpool, jlong jarg,
    jlong jcallback) {
    int result;

    result = pool_walk_resources((pool_conf_t *)jconf, (pool_t *)jpool,
        (void *)jarg,
        (int (*)(pool_conf_t *, pool_resource_t *, void *))jcallback);
    return ((jint)result);
}

/*
 * pool_walk_components(3pool) wrapper
 */
/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_pool_1walk_1components(
    JNIEnv *jenv, jclass jcls, jlong jconf, jlong jresource, jlong jarg,
    jlong jcallback) {
    int result;

    result = pool_walk_components((pool_conf_t *)jconf,
        (pool_resource_t *)jresource, (void *)jarg,
        (int (*)(pool_conf_t *, pool_component_t *, void *))jcallback);
    return ((jint)result);
}

/*ARGSUSED*/
JNIEXPORT jint JNICALL
Java_com_sun_solaris_service_pools_Element_walkProps(JNIEnv *env,
    jobject obj, jlong conf, jlong elem, jobject handler, jobject userobj)
{
    struct pool_callback pc;

    pc.pc_user = userobj;
    pc.pc_handler = handler;
    pc.pc_elem = obj;
    pc.pc_env = env;
    return (pool_walk_properties((pool_conf_t *)*(void**)&conf,
        (pool_elem_t *)*(void**)&elem, (void *)&pc, pool_property_walker));
}

/*ARGSUSED*/
static int
pool_property_walker(pool_conf_t *conf, pool_elem_t *pe, const char *name,
    pool_value_t *pv, void *user)
{
    jclass clazz, vclazz;
    jmethodID mgetwalk, mvcon;
    struct pool_callback *pc = (struct pool_callback *)user;
    jobject valueObj;
    pool_value_t *pv_new;
    uint64_t uval;
    int64_t ival;
    double dval;
    uchar_t bval;
    const char *sval;

    /*
     * Since we intend to embed our value into a Java Value object
     * and then reclaim the value when the object is garbage
     * collected we must create a new pool value and then pass this
     * to the constructor.  We must not use the pool value which is
     * passed to us.
     */

    if ((pv_new = pool_value_alloc()) == NULL)
        return (PO_FAIL);
    switch (pool_value_get_type(pv)) {
    case POC_UINT:
        (void) pool_value_get_uint64(pv, &uval);
        (void) pool_value_set_uint64(pv_new, uval);
        break;
    case POC_INT:
        (void) pool_value_get_int64(pv, &ival);
        (void) pool_value_set_int64(pv_new, ival);
        break;
    case POC_DOUBLE:
        (void) pool_value_get_double(pv, &dval);
        (void) pool_value_set_double(pv_new, dval);
        break;
    case POC_BOOL:
        (void) pool_value_get_bool(pv, &bval);
        (void) pool_value_set_bool(pv_new, bval);
        break;
    case POC_STRING:
        (void) pool_value_get_string(pv, &sval);
        (void) pool_value_set_string(pv_new, sval);
        break;
    default:
        pool_value_free(pv_new);
        return (PO_FAIL);
    }
    if (pool_value_set_name(pv_new, name) != PO_SUCCESS ||
        (vclazz = (*pc->pc_env)->FindClass(pc->pc_env,
        "com/sun/solaris/service/pools/Value")) == NULL ||
        (mvcon = (*pc->pc_env)->GetMethodID(pc->pc_env, vclazz,
        "<init>", "(J)V")) == NULL ||
        (valueObj = (*pc->pc_env)->NewObject(pc->pc_env, vclazz, mvcon,
        pv_new)) == NULL ||
        (clazz = (*pc->pc_env)->GetObjectClass(pc->pc_env, pc->pc_handler))
        == NULL ||
        (mgetwalk = (*pc->pc_env)->GetMethodID(pc->pc_env,
        clazz, "walk",
        "(Lcom/sun/solaris/service/pools/Element;Lcom/sun/solaris/"
        "service/pools/Value;Ljava/lang/Object;)I")) == NULL)
        return (PO_FAIL);
    return ((*pc->pc_env)->CallIntMethod(pc->pc_env,
        pc->pc_handler, mgetwalk, pc->pc_elem, valueObj, pc->pc_user));
}

/*ARGSUSED*/
JNIEXPORT jlong JNICALL
Java_com_sun_solaris_service_pools_Value_getLongValue(JNIEnv *jenv,
    jclass class, jlong pointer)
{
    int64_t arg2;
    int result;

    result = pool_value_get_int64((pool_value_t *)pointer, &arg2);

    if (result != PO_SUCCESS) { /* it could be a uint64 */
        result = pool_value_get_uint64((pool_value_t *)pointer,
            (uint64_t *)&arg2);
        if (result != PO_SUCCESS) {
            throw_pe(jenv);
        }
        /*
         * Unfortunately, Java has no unsigned types, so we lose some
         * precision by forcing the top bit clear
         */
        arg2 &= 0x7fffffffffffffff;
    }
    return ((jlong)arg2);
}

/*ARGSUSED*/
JNIEXPORT jstring JNICALL
Java_com_sun_solaris_service_pools_Value_getStringValue(JNIEnv *jenv,
    jclass class, jlong pointer)
{
    const char *arg2;
    int result;

    result = pool_value_get_string((pool_value_t *)pointer, &arg2);
    if (result != PO_SUCCESS)
        throw_pe(jenv);
    return ((*jenv)->NewStringUTF(jenv, arg2));
}

/*ARGSUSED*/
JNIEXPORT jboolean JNICALL
Java_com_sun_solaris_service_pools_Value_getBoolValue(JNIEnv *jenv,
    jclass class, jlong pointer)
{
    uchar_t arg2;
    int result;

    result = pool_value_get_bool((pool_value_t *)pointer, &arg2);

    if (result != PO_SUCCESS) {
        throw_pe(jenv);
    }
    if (arg2 == PO_TRUE)
        return (JNI_TRUE);
    else
        return (JNI_FALSE);
}

/*ARGSUSED*/
JNIEXPORT jdouble JNICALL
Java_com_sun_solaris_service_pools_Value_getDoubleValue(JNIEnv *jenv,
    jclass class, jlong pointer)
{
    double arg2;
    int result;

    result = pool_value_get_double((pool_value_t *)pointer, &arg2);

    if (result != PO_SUCCESS) {
        throw_pe(jenv);
    }
    return ((jdouble)arg2);
}

/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_Value_getUnsignedInt64Value(JNIEnv *jenv,
    jclass class, jlong pointer)
{
    uint64_t arg2;
    int result;

    result = pool_value_get_uint64((pool_value_t *)pointer, &arg2);

    if (result != PO_SUCCESS) {
        throw_pe(jenv);
    }
    return (makeUnsignedInt64(jenv, arg2));
}

/*ARGSUSED*/
JNIEXPORT jobject JNICALL
Java_com_sun_solaris_service_pools_HRTime_timestamp(JNIEnv *env, jobject obj)
{
    return (makeUnsignedInt64(env, gethrtime()));
}

/*
 * Cache class, method, and field IDs.
 */
/*ARGSUSED*/
JNIEXPORT void JNICALL
Java_com_sun_solaris_service_pools_PoolInternal_init(JNIEnv *env, jclass clazz)
{
    jclass ui64class_lref;

    if (!(ui64class_lref = (*env)->FindClass(env,
        "com/sun/solaris/service/pools/UnsignedInt64")))
        return; /* exception thrown */
    if (!(ui64class = (*env)->NewGlobalRef(env, ui64class_lref)))
        return; /* exception thrown */
    ui64cons_mid = (*env)->GetMethodID(env, ui64class, "<init>", "([B)V");
}