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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdlib.h>
#ifdef HAVE_TARGETCONDITIONALS_H
#include <TargetConditionals.h>
#endif
#include "mpi.h"
#include "mpi_Info.h"
#include "mpiJava.h"
JNIEXPORT jlong JNICALL Java_mpi_Info_create(JNIEnv *env, jobject jthis)
{
MPI_Info info;
int rc = MPI_Info_create(&info);
ompi_java_exceptionCheck(env, rc);
return (jlong)info;
}
JNIEXPORT jlong JNICALL Java_mpi_Info_getEnv(JNIEnv *env, jclass clazz)
{
return (jlong)MPI_INFO_ENV;
}
JNIEXPORT jlong JNICALL Java_mpi_Info_getNull(JNIEnv *env, jclass clazz)
{
return (jlong)MPI_INFO_NULL;
}
// At least some versions of jni.h have a global named "jvalue", and
// we get a compiler warning if we have a parameter or variable of the
// same name. So use "ljvalue" instead.
JNIEXPORT void JNICALL Java_mpi_Info_set(
JNIEnv *env, jobject jthis, jlong handle, jstring jkey, jstring ljvalue)
{
const char *key = (*env)->GetStringUTFChars(env, jkey, NULL),
*value = (*env)->GetStringUTFChars(env, ljvalue, NULL);
int rc = MPI_Info_set((MPI_Info)handle, (char*)key, (char*)value);
ompi_java_exceptionCheck(env, rc);
(*env)->ReleaseStringUTFChars(env, jkey, key);
(*env)->ReleaseStringUTFChars(env, ljvalue, value);
}
JNIEXPORT jstring JNICALL Java_mpi_Info_get(
JNIEnv *env, jobject jthis, jlong handle, jstring jkey)
{
MPI_Info info = (MPI_Info)handle;
const char *key = (*env)->GetStringUTFChars(env, jkey, NULL);
int rc, valueLen, flag;
rc = MPI_Info_get_valuelen(info, (char*)key, &valueLen, &flag);
if(ompi_java_exceptionCheck(env, rc) || !flag)
{
(*env)->ReleaseStringUTFChars(env, jkey, key);
return NULL;
}
char *value = (char*)calloc(valueLen + 1, sizeof(char));
rc = MPI_Info_get((MPI_Info)info, (char*)key, valueLen, value, &flag);
(*env)->ReleaseStringUTFChars(env, jkey, key);
if(ompi_java_exceptionCheck(env, rc) || !flag)
{
free(value);
return NULL;
}
// At least some versions of jni.h have a global named "jvalue",
// and we get a compiler warning if we have a parameter or
// variable of the same name. So use "ljvalue" instead.
jstring ljvalue = (*env)->NewStringUTF(env, value);
free(value);
return ljvalue;
}
JNIEXPORT void JNICALL Java_mpi_Info_delete(
JNIEnv *env, jobject jthis, jlong handle, jstring jkey)
{
const char *key = (*env)->GetStringUTFChars(env, jkey, NULL);
int rc = MPI_Info_delete((MPI_Info)handle, (char*)key);
ompi_java_exceptionCheck(env, rc);
(*env)->ReleaseStringUTFChars(env, jkey, key);
}
JNIEXPORT jint JNICALL Java_mpi_Info_size(
JNIEnv *env, jobject jthis, jlong handle)
{
int rc, nkeys;
rc = MPI_Info_get_nkeys((MPI_Info)handle, &nkeys);
ompi_java_exceptionCheck(env, rc);
return (jint)nkeys;
}
JNIEXPORT jstring JNICALL Java_mpi_Info_getKey(
JNIEnv *env, jobject jthis, jlong handle, jint i)
{
char key[MPI_MAX_INFO_KEY + 1];
int rc = MPI_Info_get_nthkey((MPI_Info)handle, i, key);
return ompi_java_exceptionCheck(env, rc)
? NULL : (*env)->NewStringUTF(env, key);
}
JNIEXPORT jlong JNICALL Java_mpi_Info_dup(
JNIEnv *env, jobject jthis, jlong handle)
{
MPI_Info newInfo;
int rc = MPI_Info_dup((MPI_Info)handle, &newInfo);
ompi_java_exceptionCheck(env, rc);
return (jlong)newInfo;
}
JNIEXPORT jlong JNICALL Java_mpi_Info_free(
JNIEnv *env, jobject jthis, jlong handle)
{
MPI_Info info = (MPI_Info)handle;
int rc = MPI_Info_free(&info);
ompi_java_exceptionCheck(env, rc);
return (jlong)info;
}
JNIEXPORT jboolean JNICALL Java_mpi_Info_isNull(
JNIEnv *env, jobject jthis, jlong handle)
{
return (MPI_Info)handle == MPI_INFO_NULL ? JNI_TRUE : JNI_FALSE;
}
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