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/*
* Copyright (c) 2003, 2024, 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 <jvmti.h>
#include "agent_common.hpp"
#include "nsk_tools.hpp"
#include "JVMTITools.hpp"
#include "jvmti_tools.hpp"
#include "jni_tools.hpp"
extern "C" {
#define STATUS_FAILED 2
#define PASSED 0
static jint result = STATUS_FAILED;
static jvmtiEnv *jvmti = nullptr;
static jvmtiEventCallbacks callbacks;
static jboolean eventReceived = JNI_FALSE;
static jrawMonitorID dataDumpRequestMonitor;
/** callback functions **/
static void JNICALL DataDumpRequest(jvmtiEnv *env) {
jvmtiPhase phase;
rawMonitorEnter(env, dataDumpRequestMonitor);
NSK_DISPLAY0(">>>> DataDumpRequest event received\n");
eventReceived = JNI_TRUE;
getPhase(jvmti, &phase);
if (phase != JVMTI_PHASE_LIVE) {
result = STATUS_FAILED;
NSK_COMPLAIN1("TEST FAILED: DataDumpRequest event received during non-live phase %s\n",
TranslatePhase(phase));
} else {
result = PASSED;
NSK_DISPLAY0("CHECK PASSED: DataDumpRequest event received during the live phase as expected\n");
}
NSK_DISPLAY0("<<<<\n\n");
rawMonitorNotify(env, dataDumpRequestMonitor);
rawMonitorExit(env, dataDumpRequestMonitor);
}
static void waitDumpRequestReceived(jvmtiEnv *env) {
rawMonitorEnter(env, dataDumpRequestMonitor);
while (eventReceived == JNI_FALSE) {
NSK_DISPLAY0("waiting for DataDumpRequest event...\n");
rawMonitorWait(env, dataDumpRequestMonitor, 0);
}
rawMonitorExit(env, dataDumpRequestMonitor);
}
JNIEXPORT jint JNICALL
Java_nsk_jvmti_DataDumpRequest_datadumpreq001_waitForResult(JNIEnv *env, jclass cls) {
waitDumpRequestReceived(jvmti);
return result;
}
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_datadumpreq001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_datadumpreq001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_datadumpreq001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
/* init framework and parse options */
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
/* create JVMTI environment */
jvmti = nsk_jvmti_createJVMTIEnv(jvm, reserved);
if (!NSK_VERIFY(jvmti != nullptr)) {
return JNI_ERR;
}
if (createRawMonitor(jvmti, "data dump request monitor", &dataDumpRequestMonitor) != JNI_OK) {
return JNI_ERR;
}
/* set event callbacks */
NSK_DISPLAY0("setting event callbacks ...\n");
(void) memset(&callbacks, 0, sizeof(callbacks));
callbacks.DataDumpRequest = &DataDumpRequest;
if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks))))
return JNI_ERR;
NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_DATA_DUMP_REQUEST, nullptr)))
return JNI_ERR;
NSK_DISPLAY0("enabling the events done\n\n");
return JNI_OK;
}
}
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