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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "libzfs_jni_disk.h"
/*
* Function prototypes
*/
static jobject create_DiskDeviceBean(JNIEnv *, dmgt_disk_t *);
static jobject get_SliceUsage_Use(JNIEnv *, char *);
static jobject create_SliceUsage(JNIEnv *env, dmgt_slice_t *sp);
static jobject create_SliceDeviceBean(JNIEnv *env, dmgt_slice_t *sp);
static jobjectArray create_SliceDeviceBean_array(JNIEnv *, dmgt_slice_t **);
/*
* Static functions
*/
static jobject
create_DiskDeviceBean(JNIEnv *env, dmgt_disk_t *dp)
{
jobject disk = NULL;
int naliases = zjni_count_elements((void **)dp->aliases);
jobjectArray aliases = zjni_c_string_array_to_java(
env, dp->aliases, naliases);
if (aliases != NULL) {
jobjectArray slices = create_SliceDeviceBean_array(env,
dp->slices);
if (slices != NULL) {
jstring nameUTF = (*env)->NewStringUTF(env, dp->name);
jboolean in_use = dp->in_use ? JNI_TRUE : JNI_FALSE;
jclass class_DiskDeviceBean = (*env)->FindClass(
env, ZFSJNI_PACKAGE_DATA "DiskDeviceBean");
jmethodID constructor =
(*env)->GetMethodID(env, class_DiskDeviceBean,
"<init>",
"(JLjava/lang/String;[Ljava/lang/String;[L"
ZFSJNI_PACKAGE_DATA "SliceDeviceBean;Z)V");
disk = (*env)->NewObject(env, class_DiskDeviceBean,
constructor, dp->size, nameUTF, aliases, slices,
in_use);
}
}
return (disk);
}
static jobject
get_SliceUsage_Use(JNIEnv *env, char *dm_usage)
{
jobject enumVal = NULL;
if (dm_usage != NULL) {
jclass class_SliceUsage_Use = (*env)->FindClass(
env, ZFSJNI_PACKAGE_DATA "SliceUsage$Use");
jfieldID id = (*env)->GetStaticFieldID(env,
class_SliceUsage_Use,
dm_usage, "L" ZFSJNI_PACKAGE_DATA "SliceUsage$Use;");
if (id != NULL) {
/* Retrieve the proper SliceUsage$Use enum value */
enumVal = (*env)->GetStaticObjectField(
env, class_SliceUsage_Use, id);
#ifdef DEBUG
} else {
(void) fprintf(stderr, "Unknown slice usage: %s\n",
dm_usage);
#endif /* DEBUG */
}
}
return (enumVal);
}
static jobject
create_SliceUsage(JNIEnv *env, dmgt_slice_t *sp)
{
jobject usage = NULL;
if (sp->used_name != NULL) {
jobject use = get_SliceUsage_Use(env, sp->used_name);
if (use != NULL) {
jstring usedByUTF =
(*env)->NewStringUTF(env, sp->used_by);
jclass class_SliceUsage = (*env)->FindClass(
env, ZFSJNI_PACKAGE_DATA "SliceUsage");
jmethodID constructor =
(*env)->GetMethodID(env, class_SliceUsage, "<init>",
"(L" ZFSJNI_PACKAGE_DATA
"SliceUsage$Use;Ljava/lang/String;)V");
usage = (*env)->NewObject(env,
class_SliceUsage, constructor, use, usedByUTF);
}
}
return (usage);
}
static jobject
create_SliceDeviceBean(JNIEnv *env, dmgt_slice_t *sp)
{
jobject slice = NULL;
/* May be NULL if unused */
jobject usage = create_SliceUsage(env, sp);
jstring nameUTF = (*env)->NewStringUTF(env, sp->name);
jclass class_SliceDeviceBean = (*env)->FindClass(
env, ZFSJNI_PACKAGE_DATA "SliceDeviceBean");
jmethodID constructor =
(*env)->GetMethodID(env, class_SliceDeviceBean, "<init>",
"(JLjava/lang/String;JL" ZFSJNI_PACKAGE_DATA "SliceUsage;)V");
slice = (*env)->NewObject(env, class_SliceDeviceBean,
constructor, sp->size, nameUTF, sp->start, usage);
return (slice);
}
static jobjectArray
create_SliceDeviceBean_array(JNIEnv *env, dmgt_slice_t **slices)
{
/* Create an array list */
zjni_ArrayList_t list_class = {0};
zjni_ArrayList_t *list_class_p = &list_class;
zjni_new_ArrayList(env, list_class_p);
if (slices != NULL) {
int i;
for (i = 0; slices[i] != NULL; i++) {
dmgt_slice_t *slice = slices[i];
jobject obj;
obj = create_SliceDeviceBean(env, slice);
if (obj != NULL) {
(*env)->CallBooleanMethod(env,
((zjni_Object_t *)list_class_p)->object,
((zjni_Collection_t *)list_class_p)->
method_add, obj);
}
}
}
return (zjni_Collection_to_array(
env, (zjni_Collection_t *)list_class_p,
ZFSJNI_PACKAGE_DATA "SliceDeviceBean"));
}
/*
* Package-private functions
*/
int
zjni_create_add_DiskDevice(dmgt_disk_t *dp, void *data)
{
JNIEnv *env = ((zjni_ArrayCallbackData_t *)data)->env;
zjni_Collection_t *list = ((zjni_ArrayCallbackData_t *)data)->list;
jobject disk = create_DiskDeviceBean(env, dp);
/* Add disk to zjni_ArrayList */
(*env)->CallBooleanMethod(env, ((zjni_Object_t *)list)->object,
((zjni_Collection_t *)list)->method_add, disk);
return (0);
}
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