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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* For details of the HDF libraries, see the HDF Documentation at:
* http://hdfgroup.org/HDF5/doc/
*
*/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stdlib.h>
#include "hdf5.h"
#include "h5jni.h"
#include "h5pDAPLImp.h"
/*
* Pointer to the JNI's Virtual Machine; used for callback functions.
*/
extern JavaVM *jvm;
typedef struct _cb_wrapper {
jobject visit_callback;
jobject op_data;
} cb_wrapper;
static herr_t H5D_append_cb(hid_t dataset_id, hsize_t *cur_dims, void *cb_data);
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pset_chunk_cache
* Signature: (JJJD)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pset_1chunk_1cache(JNIEnv *env, jclass clss, jlong dapl, jlong rdcc_nslots,
jlong rdcc_nbytes, jdouble rdcc_w0)
{
UNUSED(clss);
if (H5Pset_chunk_cache((hid_t)dapl, (size_t)rdcc_nslots, (size_t)rdcc_nbytes, (double)rdcc_w0) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return;
} /* end Java_hdf_hdf5lib_H5_H5Pset_1chunk_1cache */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pget_chunk_cache
* Signature: (J[J[J[D)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pget_1chunk_1cache(JNIEnv *env, jclass clss, jlong dapl, jlongArray rdcc_nslots,
jlongArray rdcc_nbytes, jdoubleArray rdcc_w0)
{
jboolean isCopy;
jdouble *w0Array = NULL;
jlong * rdcc_nslotsArray = NULL;
jlong * nbytesArray = NULL;
herr_t status = FAIL;
UNUSED(clss);
if (NULL != rdcc_w0)
PIN_DOUBLE_ARRAY(ENVONLY, rdcc_w0, w0Array, &isCopy, "H5Pget_chunk_cache: rdcc_w0 array not pinned");
if (NULL != rdcc_nslots)
PIN_LONG_ARRAY(ENVONLY, rdcc_nslots, rdcc_nslotsArray, &isCopy,
"H5Pget_chunk_cache: rdcc_nslots array not pinned");
if (NULL != rdcc_nbytes)
PIN_LONG_ARRAY(ENVONLY, rdcc_nbytes, nbytesArray, &isCopy,
"H5Pget_chunk_cache: nbytesArray array not pinned");
{
/* direct cast (size_t *)variable fails on 32-bit environment */
long long rdcc_nslots_temp = *rdcc_nslotsArray;
long long nbytes_temp = *nbytesArray;
size_t rdcc_nslots_t = (size_t)rdcc_nslots_temp;
size_t nbytes_t = (size_t)nbytes_temp;
if ((status = H5Pget_chunk_cache((hid_t)dapl, &rdcc_nslots_t, &nbytes_t, (double *)w0Array)) < 0)
H5_LIBRARY_ERROR(ENVONLY);
*rdcc_nslotsArray = (jlong)rdcc_nslots_t;
*nbytesArray = (jlong)nbytes_t;
} /* end direct cast special handling */
done:
if (nbytesArray)
UNPIN_LONG_ARRAY(ENVONLY, rdcc_nbytes, nbytesArray, (status < 0) ? JNI_ABORT : 0);
if (rdcc_nslotsArray)
UNPIN_LONG_ARRAY(ENVONLY, rdcc_nslots, rdcc_nslotsArray, (status < 0) ? JNI_ABORT : 0);
if (w0Array)
UNPIN_DOUBLE_ARRAY(ENVONLY, rdcc_w0, w0Array, (status < 0) ? JNI_ABORT : 0);
} /* end Java_hdf_hdf5lib_H5_H5Pget_1chunk_1cache */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pset_efile_prefix
* Signature: (JLjava/lang/String;)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pset_1efile_1prefix(JNIEnv *env, jclass clss, jlong dapl_id, jstring prefix)
{
const char *extFilePrefix = NULL;
herr_t retVal = FAIL;
UNUSED(clss);
if (NULL == prefix)
H5_NULL_ARGUMENT_ERROR(ENVONLY, "H5Pset_efile_prefix: external file prefix is NULL");
PIN_JAVA_STRING(ENVONLY, prefix, extFilePrefix, NULL,
"H5Pset_efile_prefix: external file prefix not pinned");
if ((retVal = H5Pset_efile_prefix((hid_t)dapl_id, extFilePrefix)) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
if (extFilePrefix)
UNPIN_JAVA_STRING(ENVONLY, prefix, extFilePrefix);
} /* end Java_hdf_hdf5lib_H5_H5Pset_1efile_1prefix */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pget_efile_prefix
* Signature: (J)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL
Java_hdf_hdf5lib_H5_H5Pget_1efile_1prefix(JNIEnv *env, jclass clss, jlong dapl_id)
{
ssize_t prefix_size = -1;
char * pre = NULL;
jstring str = NULL;
UNUSED(clss);
if ((prefix_size = H5Pget_efile_prefix((hid_t)dapl_id, (char *)NULL, 0)) < 0)
H5_LIBRARY_ERROR(ENVONLY);
if (NULL == (pre = (char *)HDmalloc(sizeof(char) * (size_t)prefix_size + 1)))
H5_OUT_OF_MEMORY_ERROR(ENVONLY, "H5Pget_efile_prefix: memory allocation failed");
if (H5Pget_efile_prefix((hid_t)dapl_id, (char *)pre, (size_t)prefix_size + 1) < 0)
H5_LIBRARY_ERROR(ENVONLY);
pre[(size_t)prefix_size] = '\0';
if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, pre))) {
CHECK_JNI_EXCEPTION(ENVONLY, JNI_TRUE);
H5_OUT_OF_MEMORY_ERROR(
ENVONLY, "H5Pget_efile_prefix: out of memory - unable to construct string from UTF characters");
}
done:
if (pre)
HDfree(pre);
return (jstring)str;
} /* end Java_hdf_hdf5lib_H5_H5Pget_1efile_1prefix */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pset_append_flush
* Signature: (JI[JLjava/lang/Object;Ljava/lang/Object;)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pset_1append_1flush(JNIEnv *env, jclass clss, jlong plist_id, jint ndims,
jlongArray boundary, jobject callback_op, jobject op_data)
{
cb_wrapper wrapper = {callback_op, op_data};
herr_t status = FAIL;
UNUSED(clss);
ENVPTR->GetJavaVM(ENVONLY, &jvm);
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE);
if (NULL == op_data)
H5_NULL_ARGUMENT_ERROR(ENVONLY, "H5Pset_append_flush: op_data is NULL");
if (NULL == callback_op)
H5_NULL_ARGUMENT_ERROR(ENVONLY, "H5Pset_append_flush: callback_op is NULL");
if ((status = H5Pset_append_flush((hid_t)plist_id, (unsigned)ndims, (const hsize_t *)boundary,
(H5D_append_cb_t)H5D_append_cb, (void *)&wrapper)) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return;
} /* end Java_hdf_hdf5lib_H5_H5Pset_1append_1flush */
/*
* TODO: H5Pget_append_flush
*/
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pset_virtual_view
* Signature: (JI)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pset_1virtual_1view(JNIEnv *env, jclass clss, jlong dapl_id, jint view)
{
UNUSED(clss);
if (H5Pset_virtual_view((hid_t)dapl_id, (H5D_vds_view_t)view) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return;
} /* end Java_hdf_hdf5lib_H5_H5Pset_1virtual_1view */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pget_virtual_view
* Signature: (J)I
*/
JNIEXPORT jint JNICALL
Java_hdf_hdf5lib_H5_H5Pget_1virtual_1view(JNIEnv *env, jclass clss, jlong dapl_id)
{
H5D_vds_view_t virtual_view = H5D_VDS_ERROR;
UNUSED(clss);
if (H5Pget_virtual_view((hid_t)dapl_id, &virtual_view) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return (jint)virtual_view;
} /* end Java_hdf_hdf5lib_H5_H5Pget_1virtual_1view */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pset_virtual_printf_gap
* Signature: (JJ)V
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5Pset_1virtual_1printf_1gap(JNIEnv *env, jclass clss, jlong dapl_id, jlong gap_size)
{
UNUSED(clss);
if (H5Pset_virtual_printf_gap((hid_t)dapl_id, (hsize_t)gap_size) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return;
} /* end Java_hdf_hdf5lib_H5_H5Pset_1virtual_1printf_1gap */
/*
* Class: hdf_hdf5lib_H5
* Method: H5Pget_virtual_printf_gap
* Signature: (J)J
*/
JNIEXPORT jlong JNICALL
Java_hdf_hdf5lib_H5_H5Pget_1virtual_1printf_1gap(JNIEnv *env, jclass clss, jlong dapl_id)
{
hsize_t gap_size = 0;
UNUSED(clss);
if (H5Pget_virtual_printf_gap((hid_t)dapl_id, &gap_size) < 0)
H5_LIBRARY_ERROR(ENVONLY);
done:
return (jlong)gap_size;
} /* end Java_hdf_hdf5lib_H5_H5Pget_1virtual_1printf_1gap */
static herr_t
H5D_append_cb(hid_t dataset_id, hsize_t *cur_dims, void *cb_data)
{
cb_wrapper *wrapper = (cb_wrapper *)cb_data;
jlongArray cur_dimsArray;
jmethodID mid;
jobject visit_callback = wrapper->visit_callback;
jclass cls;
JNIEnv * cbenv = NULL;
void * op_data = (void *)wrapper->op_data;
jint status = -1;
if (JVMPTR->AttachCurrentThread(JVMPAR, (void **)&cbenv, NULL) < 0) {
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_TRUE);
H5_JNI_FATAL_ERROR(CBENVONLY, "H5D_append_cb: failed to attach current thread to JVM");
}
if (NULL == (cls = CBENVPTR->GetObjectClass(CBENVONLY, visit_callback)))
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_FALSE);
if (NULL == (mid = CBENVPTR->GetMethodID(CBENVONLY, cls, "callback",
"(J[JLhdf/hdf5lib/callbacks/H5D_append_t;)I")))
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_FALSE);
if (NULL != cur_dims) {
if (NULL == (cur_dimsArray = CBENVPTR->NewLongArray(CBENVONLY, 2)))
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_FALSE);
CBENVPTR->SetLongArrayRegion(CBENVONLY, cur_dimsArray, 0, 2, (const jlong *)cur_dims);
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_FALSE);
status = CBENVPTR->CallIntMethod(CBENVONLY, visit_callback, mid, dataset_id, cur_dims, op_data);
CHECK_JNI_EXCEPTION(CBENVONLY, JNI_FALSE);
}
done:
if (CBENVONLY)
JVMPTR->DetachCurrentThread(JVMPAR);
return (herr_t)status;
} /* end H5D_append_cb */
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */
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