src/share/native/sun/management/HotSpotDiagnostic.c

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, 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

@@ -31,6 +31,143 @@
 JNIEXPORT void JNICALL
 Java_sun_management_HotSpotDiagnostic_dumpHeap
   (JNIEnv *env, jobject dummy, jstring outputfile, jboolean live)
 {
     jmm_interface->DumpHeap0(env, outputfile, live);
+}
+
+JNIEXPORT jobjectArray JNICALL
+Java_sun_management_HotSpotDiagnostic_getDiagnosticCommands0
+  (JNIEnv *env, jobject dummy)
+{
+    if((jmm_version > JMM_VERSION_1_2_1)
+       || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
+                return jmm_interface->GetDiagnosticCommands(env);
+    }
+    return NULL;
+}
+
+
+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,
+        "com/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,
+             "com/sun/management/DiagnosticCommandArgumentInfo",
+             "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZI)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].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_HotSpotDiagnostic_getDiagnosticCommandInfo0
+(JNIEnv *env, jobject dummy, jobjectArray commands)
+{
+    int i;
+    jclass dcmdInfoCls;
+    jobject result;
+    jobjectArray args;
+    jobject obj;
+
+    if (commands == NULL) {
+        JNU_ThrowNullPointerException(env, "Invalid String Array");
+        return NULL;
+    }
+    if ((jmm_version > JMM_VERSION_1_2_1)
+       || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
+        jsize num_commands = (*env)->GetArrayLength(env, commands);
+        dcmdInfo* 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,
+            "com/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,
+                      "com/sun/management/DiagnosticCommandInfo",
+                      "(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].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;
+    }
+    return NULL;
+}
+
+/* Throws IllegalArgumentException if the diagnostic command
+ * passed in argument is not supported by the JVM
+ */
+JNIEXPORT jstring JNICALL
+Java_sun_management_HotSpotDiagnostic_executeDiagnosticCommand0
+(JNIEnv *env, jobject dummy, jstring command)
+{
+     if((jmm_version > JMM_VERSION_1_2_1 )
+       || (jmm_version == JMM_VERSION_1_2 && ((jmm_version&0xFF)>=2))) {
+         return jmm_interface->ExecuteDiagnosticCommand(env, command);
+    }
+     return NULL;
 }