/*

 * Copyright (c) 2004, 2018, 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.

 *

 * 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 <stdio.h>

#include <string.h>

#include "jvmti.h"

#include "agent_common.h"

#include "JVMTITools.h"

extern "C" {

#define PASSED 0

#define STATUS_FAILED 2

static jvmtiEnv *jvmti = NULL;

static jvmtiCapabilities caps;

static jint result = PASSED;

#ifdef STATIC_BUILD

JNIEXPORT jint JNICALL Agent_OnLoad_ownmoninf001(JavaVM *jvm, char *options, void *reserved) {

    return Agent_Initialize(jvm, options, reserved);

}

JNIEXPORT jint JNICALL Agent_OnAttach_ownmoninf001(JavaVM *jvm, char *options, void *reserved) {

    return Agent_Initialize(jvm, options, reserved);

}

JNIEXPORT jint JNI_OnLoad_ownmoninf001(JavaVM *jvm, char *options, void *reserved) {

    return JNI_VERSION_1_8;

}

#endif

jint  Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {

    jint res;

    jvmtiError err;

    res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);

    if (res != JNI_OK || jvmti == NULL) {

        printf("Wrong result of a valid call to GetEnv !\n");

        return JNI_ERR;

    }

    err = jvmti->GetPotentialCapabilities(&caps);

    if (err != JVMTI_ERROR_NONE) {

        printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",

               TranslateError(err), err);

        return JNI_ERR;

    }

    err = jvmti->AddCapabilities(&caps);

    if (err != JVMTI_ERROR_NONE) {

        printf("(AddCapabilities) unexpected error: %s (%d)\n",

               TranslateError(err), err);

        return JNI_ERR;

    }

    err = jvmti->GetCapabilities(&caps);

    if (err != JVMTI_ERROR_NONE) {

        printf("(GetCapabilities) unexpected error: %s (%d)\n",

               TranslateError(err), err);

        return JNI_ERR;

    }

    if (!caps.can_get_owned_monitor_info) {

        printf("Warning: GetOwnedMonitorInfo is not implemented\n");

    }

    return JNI_OK;

}

jobject *getInfo(JNIEnv *env, jint point, jthread thr, int count) {

    jvmtiError err;

    jint owned_monitor_count;

    jobject *owned_monitors = NULL;

    err = jvmti->GetOwnedMonitorInfo(thr,

        &owned_monitor_count, &owned_monitors);

    if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY &&

            !caps.can_get_owned_monitor_info) {

        /* Ok, it's expected */

    } else if (err != JVMTI_ERROR_NONE) {

        printf("(GetOwnedMonitorInfo#%d) unexpected error: %s (%d)\n",

               point, TranslateError(err), err);

        result = STATUS_FAILED;

        return NULL;

    } else {

        if (owned_monitor_count != count) {

            result = STATUS_FAILED;

            printf("Point %d: number of owned monitors expected: %d, got: %d\n",

                   point, count, owned_monitor_count);

            return NULL;

        }

    }

    return owned_monitors;

}

JNIEXPORT void JNICALL

Java_nsk_jvmti_GetOwnedMonitorInfo_ownmoninf001_checkMon0(JNIEnv *env,

        jclass cls, jint point, jthread thr) {

    getInfo(env, point, thr, 0);

}

JNIEXPORT void JNICALL

Java_nsk_jvmti_GetOwnedMonitorInfo_ownmoninf001_checkMon1(JNIEnv *env,

        jclass cls, jint point, jthread thr, jobject lock) {

    jobject *monitors;

        return;

    }

    if (!env->IsSameObject(lock, monitors[0])) {

        result = STATUS_FAILED;

        printf("Point %d: not expected monitor: 0x%p\n", point, monitors[0]);

    }

}

JNIEXPORT void JNICALL

Java_nsk_jvmti_GetOwnedMonitorInfo_ownmoninf001_checkMon2(JNIEnv *env,

        jclass cls, jint point, jthread thr, jobject lock1, jobject lock2) {

    jobject *monitors;

        return;

    }

    if (!env->IsSameObject(lock1, monitors[0]) && !env->IsSameObject(lock2, monitors[0])) {

        result = STATUS_FAILED;

        printf("Point %d: not expected monitor: 0x%p\n", point, monitors[0]);

    }

    if ((!env->IsSameObject(lock1, monitors[1]) && !env->IsSameObject(lock2, monitors[1]))

        || env->IsSameObject(monitors[0], monitors[1])) {

        result = STATUS_FAILED;

        printf("Point %d: not expected monitor: 0x%p\n", point, monitors[1]);

    }

}

JNIEXPORT jint JNICALL

Java_nsk_jvmti_GetOwnedMonitorInfo_ownmoninf001_getRes(JNIEnv *env, jclass cls) {

    return result;

}

}