/*

 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include <jni.h>

#include "management.h"

#include "sun_management_MemoryPoolImpl.h"

JNIEXPORT jobject JNICALL

Java_sun_management_MemoryPoolImpl_getMemoryManagers0

  (JNIEnv *env, jobject pool)

{

    jobject mgrs = jmm_interface->GetMemoryManagers(env, pool);

    if (mgrs == NULL) {

        // Throw internal error since this implementation expects the

        // pool will never become invalid.

        JNU_ThrowInternalError(env, "Memory Pool not found");

    }

    return mgrs;

}

JNIEXPORT jobject JNICALL

Java_sun_management_MemoryPoolImpl_getUsage0

  (JNIEnv *env, jobject pool)

{

    jobject usage = jmm_interface->GetMemoryPoolUsage(env, pool);

    if (usage == NULL) {

        // Throw internal error since this implementation expects the

        // pool will never become invalid.

        JNU_ThrowInternalError(env, "Memory Pool not found");

    }

    return usage;

}

JNIEXPORT jobject JNICALL

Java_sun_management_MemoryPoolImpl_getPeakUsage0

  (JNIEnv *env, jobject pool)

{

    jobject usage = jmm_interface->GetPeakMemoryPoolUsage(env, pool);

    if (usage == NULL) {

        // Throw internal error since this implementation expects the

        // pool will never become invalid.

        JNU_ThrowInternalError(env, "Memory Pool not found");

    }

    return usage;

}

JNIEXPORT void JNICALL

Java_sun_management_MemoryPoolImpl_setUsageThreshold0

  (JNIEnv *env, jobject pool, jlong current, jlong newThreshold)

{

    // Set both high and low threshold to the same threshold

    if (newThreshold > current) {

        // high threshold has to be set first so that high >= low

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_USAGE_THRESHOLD_HIGH, newThreshold);

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_USAGE_THRESHOLD_LOW, newThreshold);

    } else {

        // low threshold has to be set first so that high >= low

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_USAGE_THRESHOLD_LOW, newThreshold);

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_USAGE_THRESHOLD_HIGH, newThreshold);

    }

}

JNIEXPORT void JNICALL

Java_sun_management_MemoryPoolImpl_setCollectionThreshold0

  (JNIEnv *env, jobject pool, jlong current, jlong newThreshold)

{

    // Set both high and low threshold to the same threshold

    if (newThreshold > current) {

        // high threshold has to be set first so that high >= low

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_COLLECTION_USAGE_THRESHOLD_HIGH,

                                        newThreshold);

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_COLLECTION_USAGE_THRESHOLD_LOW,

                                        newThreshold);

    } else {

        // low threshold has to be set first so that high >= low

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_COLLECTION_USAGE_THRESHOLD_LOW,

                                        newThreshold);

        jmm_interface->SetPoolThreshold(env, pool,

                                        JMM_COLLECTION_USAGE_THRESHOLD_HIGH,

                                        newThreshold);

    }

}

JNIEXPORT void JNICALL

Java_sun_management_MemoryPoolImpl_resetPeakUsage0

  (JNIEnv *env, jobject pool)

{

    jvalue value;

    value.l = pool;

    jmm_interface->ResetStatistic(env, value, JMM_STAT_PEAK_POOL_USAGE);

}

JNIEXPORT void JNICALL

Java_sun_management_MemoryPoolImpl_setPoolUsageSensor

  (JNIEnv *env, jobject pool, jobject sensor)

{

    jmm_interface->SetPoolSensor(env, pool,

                                 JMM_USAGE_THRESHOLD_HIGH, sensor);

}

JNIEXPORT void JNICALL

Java_sun_management_MemoryPoolImpl_setPoolCollectionSensor

  (JNIEnv *env, jobject pool, jobject sensor)

{

    jmm_interface->SetPoolSensor(env, pool,

                                 JMM_COLLECTION_USAGE_THRESHOLD_HIGH, sensor);

}

JNIEXPORT jobject JNICALL

Java_sun_management_MemoryPoolImpl_getCollectionUsage0

  (JNIEnv *env, jobject pool)

{

    return jmm_interface->GetPoolCollectionUsage(env, pool);

}