src/share/native/sun/management/VMManagementImpl.c
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, 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
@@ -22,10 +22,11 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <jni.h>
+#include <stdlib.h>
#include "jvm.h"
#include "management.h"
#include "sun_management_VMManagementImpl.h"
#define MAX_VERSION_LEN 20
@@ -94,10 +95,13 @@
}
value = mos.isThreadAllocatedMemorySupported;
setStaticBooleanField(env, cls, "threadAllocatedMemorySupport", value);
+ value = mos.isRemoteDiagnosticCommandsSupported;
+ setStaticBooleanField(env, cls, "remoteDiagnosticCommandsSupport", value);
+
if ((jmm_version > JMM_VERSION_1_2) ||
(jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF) >= 1))) {
setStaticBooleanField(env, cls, "gcNotificationSupport", JNI_TRUE);
} else {
setStaticBooleanField(env, cls, "gcNotificationSupport", JNI_FALSE);
@@ -318,6 +322,156 @@
Java_sun_management_VMManagementImpl_getClassVerificationTime
(JNIEnv *env, jobject dummy)
{
return jmm_interface->GetLongAttribute(env, NULL,
JMM_CLASS_VERIFY_TOTAL_TIME_MS);
+}
+
+JNIEXPORT jobjectArray JNICALL
+Java_sun_management_VMManagementImpl_getDiagnosticCommands
+ (JNIEnv *env, jobject dummy)
+{
+ jmmOptionalSupport mos;
+ jint ret = jmm_interface->GetOptionalSupport(env, &mos);
+ jboolean rdcmd_support = mos.isRemoteDiagnosticCommandsSupported;
+ if (rdcmd_support) {
+ return jmm_interface->GetDiagnosticCommands(env);
+ }
+ JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
+ "JMX interface to diagnostic commands is not supported by this VM");
+}
+
+jobject getDiagnosticCommandArgumentInfoArray(JNIEnv *env, jstring command,
+ int num_arg) {
+ int i;
+ jobject obj;
+ jobjectArray result;
+ dcmdArgInfo* dcmd_arg_info_array;
+ jclass dcmdArgInfoCls;
+ jclass arraysCls;
+ jmethodID mid;
+ jobject resultList;
+
+ dcmd_arg_info_array = (dcmdArgInfo*) malloc(num_arg * sizeof(dcmdArgInfo));
+ if (dcmd_arg_info_array == NULL) {
+ return NULL;
+ }
+ jmm_interface->GetDiagnosticCommandArgumentsInfo(env, command,
+ dcmd_arg_info_array);
+ dcmdArgInfoCls = (*env)->FindClass(env,
+ "sun/management/DiagnosticCommandArgumentInfo");
+ result = (*env)->NewObjectArray(env, num_arg, dcmdArgInfoCls, NULL);
+ if (result == NULL) {
+ free(dcmd_arg_info_array);
+ return NULL;
+ }
+ for (i=0; i<num_arg; i++) {
+ obj = JNU_NewObjectByName(env,
+ "sun/management/DiagnosticCommandArgumentInfo",
+ "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZI)V",
+ (*env)->NewStringUTF(env,dcmd_arg_info_array[i].name),
+ (*env)->NewStringUTF(env,dcmd_arg_info_array[i].description),
+ (*env)->NewStringUTF(env,dcmd_arg_info_array[i].type),
+ dcmd_arg_info_array[i].default_string == NULL ? NULL:
+ (*env)->NewStringUTF(env, dcmd_arg_info_array[i].default_string),
+ dcmd_arg_info_array[i].mandatory,
+ dcmd_arg_info_array[i].option,
+ dcmd_arg_info_array[i].multiple,
+ dcmd_arg_info_array[i].position);
+ if (obj == NULL) {
+ free(dcmd_arg_info_array);
+ return NULL;
+ }
+ (*env)->SetObjectArrayElement(env, result, i, obj);
+ }
+ free(dcmd_arg_info_array);
+ arraysCls = (*env)->FindClass(env, "java/util/Arrays");
+ mid = (*env)->GetStaticMethodID(env, arraysCls,
+ "asList", "([Ljava/lang/Object;)Ljava/util/List;");
+ resultList = (*env)->CallStaticObjectMethod(env, arraysCls, mid, result);
+ return resultList;
+}
+
+/* Throws IllegalArgumentException if at least one the diagnostic command
+ * passed in argument is not supported by the JVM
+ */
+JNIEXPORT jobjectArray JNICALL
+Java_sun_management_VMManagementImpl_getDiagnosticCommandInfo
+(JNIEnv *env, jobject dummy, jobjectArray commands)
+{
+ int i;
+ jclass dcmdInfoCls;
+ jobject result;
+ jobjectArray args;
+ jobject obj;
+ jmmOptionalSupport mos;
+ jint ret = jmm_interface->GetOptionalSupport(env, &mos);
+ jboolean rdcmd_support = mos.isRemoteDiagnosticCommandsSupported;
+ jsize num_commands;
+ dcmdInfo* dcmd_info_array;
+
+ if (rdcmd_support) {
+ if (commands == NULL) {
+ JNU_ThrowNullPointerException(env, "Invalid String Array");
+ return NULL;
+ }
+ num_commands = (*env)->GetArrayLength(env, commands);
+ dcmd_info_array = (dcmdInfo*) malloc(num_commands *
+ sizeof(dcmdInfo));
+ if (dcmd_info_array == NULL) {
+ JNU_ThrowOutOfMemoryError(env, NULL);
+ }
+ jmm_interface->GetDiagnosticCommandInfo(env, commands, dcmd_info_array);
+ dcmdInfoCls = (*env)->FindClass(env,
+ "sun/management/DiagnosticCommandInfo");
+ result = (*env)->NewObjectArray(env, num_commands, dcmdInfoCls, NULL);
+ if (result == NULL) {
+ free(dcmd_info_array);
+ JNU_ThrowOutOfMemoryError(env, 0);
+ }
+ for (i=0; i<num_commands; i++) {
+ args = getDiagnosticCommandArgumentInfoArray(env,
+ (*env)->GetObjectArrayElement(env,commands,i),
+ dcmd_info_array[i].num_arguments);
+ if (args == NULL) {
+ free(dcmd_info_array);
+ JNU_ThrowOutOfMemoryError(env, 0);
+ }
+ obj = JNU_NewObjectByName(env,
+ "sun/management/DiagnosticCommandInfo",
+ "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZLjava/util/List;)V",
+ (*env)->NewStringUTF(env,dcmd_info_array[i].name),
+ (*env)->NewStringUTF(env,dcmd_info_array[i].description),
+ (*env)->NewStringUTF(env,dcmd_info_array[i].impact),
+ dcmd_info_array[i].permission_class==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_class),
+ dcmd_info_array[i].permission_name==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_name),
+ dcmd_info_array[i].permission_action==NULL?NULL:(*env)->NewStringUTF(env,dcmd_info_array[i].permission_action),
+ dcmd_info_array[i].enabled,
+ args);
+ if (obj == NULL) {
+ free(dcmd_info_array);
+ JNU_ThrowOutOfMemoryError(env, 0);
+ }
+ (*env)->SetObjectArrayElement(env, result, i, obj);
+ }
+ free(dcmd_info_array);
+ return result;
+ }
+ JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
+ "JMX interface to diagnostic commands is not supported by this VM");
+}
+
+/* Throws IllegalArgumentException if the diagnostic command
+ * passed in argument is not supported by the JVM
+ */
+JNIEXPORT jstring JNICALL
+Java_sun_management_VMManagementImpl_executeDiagnosticCommand
+(JNIEnv *env, jobject dummy, jstring command) {
+ jmmOptionalSupport mos;
+ jint ret = jmm_interface->GetOptionalSupport(env, &mos);
+ jboolean rdcmd_support = mos.isRemoteDiagnosticCommandsSupported;
+ if (rdcmd_support) {
+ return jmm_interface->ExecuteDiagnosticCommand(env, command);
+ }
+ JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
+ "JMX interface to diagnostic commands is not supported by this VM");
}