/*

 * Copyright (c) 2008, 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 <stdlib.h>

#include <string.h>

#include <jni.h>

#include <jvmti.h>

#include <aod.h>

#include <jvmti_aod.h>

extern "C" {

/*

 * Agent tries to get all potential capabilities

 * (capabilities returned by the JVMTI function GetPotentialCapabilities)

 */

#ifdef STATIC_BUILD

JNIEXPORT jint JNI_OnLoad_attach012Agent00(JavaVM *jvm, char *options, void *reserved) {

    return JNI_VERSION_1_8;

}

#endif

JNIEXPORT jint JNICALL

#ifdef STATIC_BUILD

Agent_OnAttach_attach012Agent00(JavaVM *vm, char *optionsString, void *reserved)

#else

Agent_OnAttach(JavaVM *vm, char *optionsString, void *reserved)

#endif

{

    jvmtiEnv* jvmti;

    JNIEnv* jni = NULL;

    Options* options = NULL;

    const char* agentName;

    jvmtiCapabilities caps;

    options = (Options*) nsk_aod_createOptions(optionsString);

    if (!NSK_VERIFY(options != NULL))

        return JNI_ERR;

    agentName = nsk_aod_getOptionValue(options, NSK_AOD_AGENT_NAME_OPTION);

    jni = (JNIEnv*) nsk_aod_createJNIEnv(vm);

    if (jni == NULL)

        return NSK_FALSE;

    jvmti = nsk_jvmti_createJVMTIEnv(vm, reserved);

    if (!NSK_VERIFY(jvmti != NULL))

        return JNI_ERR;

    if (!NSK_JVMTI_VERIFY(jvmti->GetPotentialCapabilities(&caps))) {

        return JNI_ERR;

    }

    NSK_DISPLAY1("%s: potential capabilities:\n", agentName);

    printCapabilities(caps);

    NSK_DISPLAY1("%s: trying to get all potential capabilities:\n", agentName);

    if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps))) {

        return JNI_ERR;

    }

    NSK_DISPLAY1("%s: initialization was done\n", agentName);

    if (!NSK_VERIFY(nsk_aod_agentLoaded(jni, agentName)))

        return JNI_ERR;

    nsk_aod_agentFinished(jni, agentName, 1);

    return JNI_OK;

}

}