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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 <string.h>
#include "jvmti.h"
#include "agent_common.hpp"
#include "jni_tools.hpp"
#include "jvmti_tools.hpp"
extern "C" {
/* ============================================================================= */
static jlong timeout = 0;
#define PROPERTIES_COUNT 2
typedef struct PropertyDescStruct {
const char* name;
const char* value;
int found;
} PropertyDesc;
static PropertyDesc propDescList[PROPERTIES_COUNT] = {
{ "nsk.jvmti.test.property", "value_of_nsk.jvmti.test.property", 0 },
{ "nsk.jvmti.test.property.empty", "", 0 }
};
/* ============================================================================= */
/** Agent algorithm. */
static int checkProperties (jvmtiEnv* jvmti, const char phase[]) {
int success = NSK_TRUE;
jint count = 0;
char** properties = nullptr;
NSK_DISPLAY0("Get system properties list\n");
if (!NSK_JVMTI_VERIFY(
jvmti->GetSystemProperties(&count, &properties))) {
return NSK_FALSE;
}
NSK_DISPLAY1(" ... got properties: %d\n", (int)count);
if (!NSK_VERIFY(properties != nullptr)) {
return NSK_FALSE;
}
NSK_DISPLAY0("Find tested properties defined via command line\n");
{
int foundWithValue = 0;
int foundEmpty = 0;
int i, j;
for (j = 0; j < PROPERTIES_COUNT; j++) {
propDescList[j].found = 0;
}
for (i = 0; i < count; i++) {
NSK_DISPLAY2(" property #%d: [%s]\n", i, nsk_null_string(properties[i]));
if (properties[i] != nullptr) {
for (j = 0; j < PROPERTIES_COUNT; j++) {
if (strcmp(properties[i], propDescList[j].name) == 0) {
NSK_DISPLAY1("SUCCESS: found tested property: %s\n",
propDescList[j].name);
propDescList[j].found++;
break;
}
}
}
}
for (j = 0; j < PROPERTIES_COUNT; j++) {
if (propDescList[j].found <= 0) {
NSK_COMPLAIN3("In %s phase GetSystemPropeties() returns no property defined via command line:\n"
"# -D%s=\"%s\"\n",
phase, propDescList[j].name, propDescList[j].value);
success = NSK_FALSE;
} else if (propDescList[j].found > 1) {
NSK_COMPLAIN4("In %s phase GetSystemPropeties() returns too many entries for property defined via command line:\n"
"# -D%s=\"%s\"\n"
"# found entries: %d\n",
phase, propDescList[j].name, propDescList[j].value,
propDescList[j].found);
success = NSK_FALSE;
}
}
}
NSK_DISPLAY0("Deallocate properties list\n");
if (!NSK_JVMTI_VERIFY(
jvmti->Deallocate((unsigned char*)properties))) {
return NSK_FALSE;
}
NSK_DISPLAY0(" ... deallocated\n");
return success;
}
/* ============================================================================= */
/** Agent algorithm. */
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
NSK_DISPLAY0("Wait for debugee to become ready\n");
if (!nsk_jvmti_waitForSync(timeout))
return;
NSK_DISPLAY0(">>> Check system properties in live phase\n");
if (!checkProperties(jvmti, "live")) {
nsk_jvmti_setFailStatus();
}
NSK_DISPLAY0("Let debugee to finish\n");
if (!nsk_jvmti_resumeSync())
return;
}
/* ============================================================================= */
/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_getsysprops002(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_getsysprops002(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_getsysprops002(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jvmtiEnv* jvmti = nullptr;
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
if (!NSK_VERIFY((jvmti =
nsk_jvmti_createJVMTIEnv(jvm, reserved)) != nullptr))
return JNI_ERR;
NSK_DISPLAY0(">>> Check system properties in OnLoad phase\n");
if (!checkProperties(jvmti, "OnLoad")) {
nsk_jvmti_setFailStatus();
}
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, nullptr)))
return JNI_ERR;
return JNI_OK;
}
/* ============================================================================= */
}
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