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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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 */
/***********/
/* Headers */
/***********/
#include "hdf5.h"
#include <stdio.h>
#include <stdlib.h>
#include "jni.h"
#include "h5jni.h"
#include "exceptionImp.h"
extern H5E_auto2_t efunc;
extern void *edata;
/*******************/
/* Local Variables */
/*******************/
/*
* The list of error messages in the system is kept as an array of
* error_code/message pairs, one for major error numbers and another for
* minor error numbers.
*/
typedef struct H5E_major_mesg_t {
hid_t error_code;
const char *str;
} H5E_major_mesg_t;
typedef struct H5E_minor_mesg_t {
hid_t error_code;
const char *str;
} H5E_minor_mesg_t;
/* major and minor error numbers */
typedef struct H5E_num_t {
hid_t maj_num;
hid_t min_num;
} H5E_num_t;
/********************/
/* Local Macros */
/********************/
#define THROWEXCEPTION(className, args) \
{ \
jmethodID jm; \
jclass jc; \
jobject ex; \
\
if (NULL == (jc = ENVPTR->FindClass(ENVONLY, (className)))) \
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \
\
if (NULL == (jm = ENVPTR->GetMethodID(ENVONLY, jc, "<init>", "(Ljava/lang/String;)V"))) { \
HDprintf("THROWEXCEPTION FATAL ERROR: GetMethodID failed\n"); \
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \
} \
\
if (NULL == (ex = ENVPTR->NewObjectA(ENVONLY, jc, jm, (jvalue *)(args)))) { \
HDprintf("THROWEXCEPTION FATAL ERROR: Class %s: Creation failed\n", (className)); \
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \
} \
\
if (ENVPTR->Throw(ENVONLY, (jthrowable)ex) < 0) { \
HDprintf("THROWEXCEPTION FATAL ERROR: Class %s: Throw failed\n", (className)); \
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \
} \
}
/********************/
/* Local Prototypes */
/********************/
static const char *defineHDF5LibraryException(hid_t maj_num);
static jboolean H5JNIErrorClass(JNIEnv *env, const char *message, const char *className);
/* get the major and minor error numbers on the top of the error stack */
static herr_t
walk_error_callback(unsigned n, const H5E_error2_t *err_desc, void *_err_nums)
{
H5E_num_t *err_nums = (H5E_num_t *)_err_nums;
UNUSED(n);
if (err_desc) {
err_nums->maj_num = err_desc->maj_num;
err_nums->min_num = err_desc->min_num;
} /* end if */
return 0;
} /* end walk_error_callback() */
/*
* Class: hdf_hdf5lib_exceptions_HDF5Library
* Method: H5error_off
* Signature: ()I
*
*/
JNIEXPORT jint JNICALL
Java_hdf_hdf5lib_H5_H5error_1off(JNIEnv *env, jclass clss)
{
UNUSED(env);
UNUSED(clss);
if (H5Eget_auto2(H5E_DEFAULT, &efunc, &edata) < 0)
return -1;
if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0)
return -1;
return 0;
} /* end Java_hdf_hdf5lib_H5_H5error_1off() */
/*
* Class: hdf_hdf5lib_exceptions_HDF5Library
* Method: H5error_on
* Signature: ()V
*
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_H5_H5error_1on(JNIEnv *env, jclass clss)
{
UNUSED(env);
UNUSED(clss);
H5Eset_auto2(H5E_DEFAULT, efunc, edata);
} /* end Java_hdf_hdf5lib_H5_H5error_1on() */
/*
* Class: hdf_hdf5lib_exceptions_HDFLibraryException
* Method: printStackTrace0
* Signature: (Ljava/lang/Object;)V
*
* Call the HDF-5 library to print the HDF-5 error stack to 'file_name'.
*/
JNIEXPORT void JNICALL
Java_hdf_hdf5lib_exceptions_HDF5LibraryException_printStackTrace0(JNIEnv *env, jobject obj, jstring file_name)
{
FILE *stream = NULL;
const char *file = NULL;
UNUSED(obj);
if (NULL == file_name) {
H5Eprint2(H5E_DEFAULT, stderr);
}
else {
PIN_JAVA_STRING(ENVONLY, file_name, file, NULL, "printStackTrace0: file name not pinned");
if ((stream = HDfopen(file, "a+"))) {
H5Eprint2(H5E_DEFAULT, stream);
HDfclose(stream);
}
}
done:
if (file)
UNPIN_JAVA_STRING(ENVONLY, file_name, file);
return;
} /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException_printStackTrace0() */
/*
* Class: hdf_hdf5lib_exceptions_HDFLibraryException
* Method: _getMajorErrorNumber
* Signature: ()J
*
* Extract the HDF-5 major error number from the HDF-5 error stack.
*/
JNIEXPORT jlong JNICALL
Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMajorErrorNumber(JNIEnv *env, jobject obj)
{
H5E_num_t err_nums;
UNUSED(env);
UNUSED(obj);
err_nums.maj_num = 0;
err_nums.min_num = 0;
if (H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums) < 0)
return -1;
return err_nums.maj_num;
} /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMajorErrorNumber() */
/*
* Class: hdf_hdf5lib_exceptions_HDFLibraryException
* Method: _getMinorErrorNumber
* Signature: ()J
*
* Extract the HDF-5 minor error number from the HDF-5 error stack.
*/
JNIEXPORT jlong JNICALL
Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMinorErrorNumber(JNIEnv *env, jobject obj)
{
H5E_num_t err_nums;
UNUSED(env);
UNUSED(obj);
err_nums.maj_num = 0;
err_nums.min_num = 0;
if (H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums) < 0)
return -1;
return err_nums.min_num;
} /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMinorErrorNumber() */
/*
* Routine to raise particular Java exceptions from C.
*/
static jboolean
H5JNIErrorClass(JNIEnv *env, const char *message, const char *className)
{
jstring str;
char *args[2];
jboolean retVal = JNI_FALSE;
if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, message)))
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE);
args[0] = (char *)str;
args[1] = 0;
THROWEXCEPTION(className, args);
retVal = JNI_TRUE;
done:
return retVal;
} /* end H5JNIErrorClass() */
/*
* Create and throw an 'outOfMemoryException'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5outOfMemory(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/OutOfMemoryError");
} /* end h5outOfMemory() */
/*
* Create and throw an 'AssertionError'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5assertion(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/AssertionError");
} /* end h5assertion() */
/*
* A fatal error in a JNI call
* Create and throw an 'InternalError'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5JNIFatalError(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/InternalError");
} /* end h5JNIFatalError() */
/*
* A NULL argument in an HDF5 call
* Create and throw an 'NullPointerException'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5nullArgument(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/NullPointerException");
} /* end h5nullArgument() */
/*
* A bad argument in an HDF5 call
* Create and throw an 'IllegalArgumentException'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5badArgument(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/IllegalArgumentException");
} /* end h5badArgument() */
/*
* Some feature Not implemented yet
* Create and throw an 'UnsupportedOperationException'
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5unimplemented(JNIEnv *env, const char *message)
{
return H5JNIErrorClass(env, message, "java/lang/UnsupportedOperationException");
} /* end h5unimplemented() */
/* h5raiseException(). This routine is called to generate
* an arbitrary Java exception with a particular message.
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5raiseException(JNIEnv *env, const char *message, const char *exception)
{
return H5JNIErrorClass(env, message, exception);
} /* end h5raiseException() */
/*
* h5libraryError() determines the HDF-5 major error code
* and creates and throws the appropriate sub-class of
* HDF5LibraryException(). This routine should be called
* whenever a call to the HDF-5 library fails, i.e., when
* the return is -1.
*
* Note: This routine never returns from the 'throw',
* and the Java native method immediately raises the
* exception.
*/
jboolean
h5libraryError(JNIEnv *env)
{
const char *exception = NULL;
H5E_type_t error_msg_type;
H5E_num_t exceptionNumbers;
jstring str = NULL;
ssize_t msg_size = 0;
hid_t min_num;
hid_t maj_num;
hid_t stk_id = H5I_INVALID_HID;
char *args[2];
char *msg_str = NULL;
jboolean retVal = JNI_FALSE;
exceptionNumbers.maj_num = 0;
exceptionNumbers.min_num = 0;
/* Save current stack contents for future use */
if ((stk_id = H5Eget_current_stack()) >= 0)
/* This will clear current stack */
if (H5Ewalk2(stk_id, H5E_WALK_DOWNWARD, walk_error_callback, &exceptionNumbers) < 0)
goto done;
maj_num = exceptionNumbers.maj_num;
min_num = exceptionNumbers.min_num;
/*
* TODO: handle < 0 case.
*/
/*
* No error detected in HDF5 error stack.
*/
if (!maj_num && !min_num)
goto done;
exception = defineHDF5LibraryException(maj_num);
/* get the length of the name */
if ((msg_size = H5Eget_msg(min_num, NULL, NULL, 0)) < 0)
goto done;
if (msg_size > 0) {
if (NULL == (msg_str = (char *)HDcalloc((size_t)msg_size + 1, sizeof(char))))
H5_OUT_OF_MEMORY_ERROR(ENVONLY, "h5libraryerror: failed to allocate buffer for error message");
if ((msg_size = H5Eget_msg(min_num, &error_msg_type, msg_str, (size_t)msg_size + 1)) < 0)
goto done;
msg_str[msg_size] = '\0';
if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, msg_str)))
CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE);
}
else
str = NULL;
if (stk_id >= 0)
H5Eset_current_stack(stk_id);
args[0] = (char *)str;
args[1] = 0;
THROWEXCEPTION(exception, args);
retVal = JNI_TRUE;
done:
if (msg_str)
HDfree(msg_str);
return retVal;
} /* end h5libraryError() */
/*
* defineHDF5LibraryException() returns the name of the sub-class
* which goes with an HDF-5 error code.
*/
static const char *
defineHDF5LibraryException(hid_t maj_num)
{
hid_t err_num = maj_num;
if (H5E_ARGS == err_num)
return "hdf/hdf5lib/exceptions/HDF5FunctionArgumentException";
else if (H5E_RESOURCE == err_num)
return "hdf/hdf5lib/exceptions/HDF5ResourceUnavailableException";
else if (H5E_INTERNAL == err_num)
return "hdf/hdf5lib/exceptions/HDF5InternalErrorException";
else if (H5E_FILE == err_num)
return "hdf/hdf5lib/exceptions/HDF5FileInterfaceException";
else if (H5E_IO == err_num)
return "hdf/hdf5lib/exceptions/HDF5LowLevelIOException";
else if (H5E_FUNC == err_num)
return "hdf/hdf5lib/exceptions/HDF5FunctionEntryExitException";
else if (H5E_ID == err_num)
return "hdf/hdf5lib/exceptions/HDF5IdException";
else if (H5E_CACHE == err_num)
return "hdf/hdf5lib/exceptions/HDF5MetaDataCacheException";
else if (H5E_BTREE == err_num)
return "hdf/hdf5lib/exceptions/HDF5BtreeException";
else if (H5E_SYM == err_num)
return "hdf/hdf5lib/exceptions/HDF5SymbolTableException";
else if (H5E_HEAP == err_num)
return "hdf/hdf5lib/exceptions/HDF5HeapException";
else if (H5E_OHDR == err_num)
return "hdf/hdf5lib/exceptions/HDF5ObjectHeaderException";
else if (H5E_DATATYPE == err_num)
return "hdf/hdf5lib/exceptions/HDF5DatatypeInterfaceException";
else if (H5E_DATASPACE == err_num)
return "hdf/hdf5lib/exceptions/HDF5DataspaceInterfaceException";
else if (H5E_DATASET == err_num)
return "hdf/hdf5lib/exceptions/HDF5DatasetInterfaceException";
else if (H5E_STORAGE == err_num)
return "hdf/hdf5lib/exceptions/HDF5DataStorageException";
else if (H5E_PLIST == err_num)
return "hdf/hdf5lib/exceptions/HDF5PropertyListInterfaceException";
else if (H5E_ATTR == err_num)
return "hdf/hdf5lib/exceptions/HDF5AttributeException";
else if (H5E_PLINE == err_num)
return "hdf/hdf5lib/exceptions/HDF5DataFiltersException";
else if (H5E_EFL == err_num)
return "hdf/hdf5lib/exceptions/HDF5ExternalFileListException";
else if (H5E_REFERENCE == err_num)
return "hdf/hdf5lib/exceptions/HDF5ReferenceException";
return "hdf/hdf5lib/exceptions/HDF5LibraryException";
} /* end defineHDF5LibraryException() */
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */
|