1 /*
2 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include <jni.h>
27 #include "jvm.h"
28 #include "management.h"
29 #include "sun_management_HotSpotDiagnostic.h"
30
31 JNIEXPORT void JNICALL
32 Java_sun_management_HotSpotDiagnostic_dumpHeap
33 (JNIEnv *env, jobject dummy, jstring outputfile, jboolean live)
34 {
35 jmm_interface->DumpHeap0(env, outputfile, live);
36 }
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1 /*
2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include <jni.h>
27 #include "jvm.h"
28 #include "management.h"
29 #include "sun_management_HotSpotDiagnostic.h"
30
31 JNIEXPORT void JNICALL
32 Java_sun_management_HotSpotDiagnostic_dumpHeap
33 (JNIEnv *env, jobject dummy, jstring outputfile, jboolean live)
34 {
35 jmm_interface->DumpHeap0(env, outputfile, live);
36 }
37
38 JNIEXPORT jobjectArray JNICALL
39 Java_sun_management_HotSpotDiagnostic_getDiagnosticCommands0
40 (JNIEnv *env, jobject dummy)
41 {
42 if((jmm_version > JMM_VERSION_1_2_1)
43 || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
44 return jmm_interface->GetDiagnosticCommands(env);
45 }
46 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
47 "Diagnostic commands are not supported by this VM");
48 }
49
50 jobject getDiagnosticCommandArgumentInfoArray(JNIEnv *env, jstring command,
51 int num_arg) {
52 int i;
53 jobject obj;
54 jobjectArray result;
55 dcmdArgInfo* dcmd_arg_info_array;
56 jclass dcmdArgInfoCls;
57 jclass arraysCls;
58 jmethodID mid;
59 jobject resultList;
60
61 dcmd_arg_info_array = (dcmdArgInfo*) malloc(num_arg * sizeof(dcmdArgInfo));
62 if (dcmd_arg_info_array == NULL) {
63 return NULL;
64 }
65 jmm_interface->GetDiagnosticCommandArgumentsInfo(env, command,
66 dcmd_arg_info_array);
67 dcmdArgInfoCls = (*env)->FindClass(env,
68 "com/sun/management/DiagnosticCommandArgumentInfo");
69 result = (*env)->NewObjectArray(env, num_arg, dcmdArgInfoCls, NULL);
70 if (result == NULL) {
71 free(dcmd_arg_info_array);
72 return NULL;
73 }
74 for (i=0; i<num_arg; i++) {
75 obj = JNU_NewObjectByName(env,
76 "com/sun/management/DiagnosticCommandArgumentInfo",
77 "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZI)V",
78 (*env)->NewStringUTF(env,dcmd_arg_info_array[i].name),
79 (*env)->NewStringUTF(env,dcmd_arg_info_array[i].description),
80 (*env)->NewStringUTF(env,dcmd_arg_info_array[i].type),
81 dcmd_arg_info_array[i].default_string == NULL ? NULL:
82 (*env)->NewStringUTF(env, dcmd_arg_info_array[i].default_string),
83 dcmd_arg_info_array[i].mandatory,
84 dcmd_arg_info_array[i].option,
85 dcmd_arg_info_array[i].position);
86 if (obj == NULL) {
87 free(dcmd_arg_info_array);
88 return NULL;
89 }
90 (*env)->SetObjectArrayElement(env, result, i, obj);
91 }
92 free(dcmd_arg_info_array);
93 arraysCls = (*env)->FindClass(env, "java/util/Arrays");
94 mid = (*env)->GetStaticMethodID(env, arraysCls,
95 "asList", "([Ljava/lang/Object;)Ljava/util/List;");
96 resultList = (*env)->CallStaticObjectMethod(env, arraysCls, mid, result);
97 return resultList;
98 }
99
100 /* Throws IllegalArgumentException if at least one the diagnostic command
101 * passed in argument is not supported by the JVM
102 */
103 JNIEXPORT jobjectArray JNICALL
104 Java_sun_management_HotSpotDiagnostic_getDiagnosticCommandInfo0
105 (JNIEnv *env, jobject dummy, jobjectArray commands)
106 {
107 int i;
108 jclass dcmdInfoCls;
109 jobject result;
110 jobjectArray args;
111 jobject obj;
112
113 if (commands == NULL) {
114 JNU_ThrowNullPointerException(env, "Invalid String Array");
115 return NULL;
116 }
117 if ((jmm_version > JMM_VERSION_1_2_1)
118 || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
119 jsize num_commands = (*env)->GetArrayLength(env, commands);
120 dcmdInfo* dcmd_info_array = (dcmdInfo*) malloc(num_commands *
121 sizeof(dcmdInfo));
122 if (dcmd_info_array == NULL) {
123 JNU_ThrowOutOfMemoryError(env, NULL);
124 }
125 jmm_interface->GetDiagnosticCommandInfo(env, commands, dcmd_info_array);
126 dcmdInfoCls = (*env)->FindClass(env,
127 "com/sun/management/DiagnosticCommandInfo");
128 result = (*env)->NewObjectArray(env, num_commands, dcmdInfoCls, NULL);
129 if (result == NULL) {
130 free(dcmd_info_array);
131 JNU_ThrowOutOfMemoryError(env, 0);
132 }
133 for (i=0; i<num_commands; i++) {
134 args = getDiagnosticCommandArgumentInfoArray(env,
135 (*env)->GetObjectArrayElement(env,commands,i),
136 dcmd_info_array[i].num_arguments);
137 if (args == NULL) {
138 free(dcmd_info_array);
139 JNU_ThrowOutOfMemoryError(env, 0);
140 }
141 obj = JNU_NewObjectByName(env,
142 "com/sun/management/DiagnosticCommandInfo",
143 "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZLjava/util/List;)V",
144 (*env)->NewStringUTF(env,dcmd_info_array[i].name),
145 (*env)->NewStringUTF(env,dcmd_info_array[i].description),
146 (*env)->NewStringUTF(env,dcmd_info_array[i].impact),
147 dcmd_info_array[i].enabled,
148 args);
149 if (obj == NULL) {
150 free(dcmd_info_array);
151 JNU_ThrowOutOfMemoryError(env, 0);
152 }
153 (*env)->SetObjectArrayElement(env, result, i, obj);
154 }
155 free(dcmd_info_array);
156 return result;
157 }
158 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
159 "Diagnostic commands are not supported by this VM");
160 }
161
162 /* Throws IllegalArgumentException if the diagnostic command
163 * passed in argument is not supported by the JVM
164 */
165 JNIEXPORT jstring JNICALL
166 Java_sun_management_HotSpotDiagnostic_executeDiagnosticCommand0
167 (JNIEnv *env, jobject dummy, jstring command) {
168 if((jmm_version > JMM_VERSION_1_2_1 )
169 || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
170 return jmm_interface->ExecuteDiagnosticCommand(env, command);
171 }
172 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
173 "Diagnostic commands are not supported by this VM");
174 }
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