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//==============================================================================
//
// Copyright (c) 2002-
// Authors:
// * Dave Parker <david.parker@comlab.ox.ac.uk> (University of Oxford, formerly University of Birmingham)
//
//------------------------------------------------------------------------------
//
// This file is part of PRISM.
//
// PRISM is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// PRISM is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with PRISM; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//==============================================================================
#include "PrismSparse.h"
#include "NDSparseMatrix.h"
#include <stdio.h>
#include <stdarg.h>
#include <limits.h>
#include <util.h>
#include <cudd.h>
#include <dd.h>
#include "sparse.h"
#include "PrismSparseGlob.h"
#include "jnipointer.h"
#define MAX_LOG_STRING_LEN 1024
#define MAX_ERR_STRING_LEN 1024
//------------------------------------------------------------------------------
// sparse engine global variables
//------------------------------------------------------------------------------
// cudd manager
DdManager *ddman;
// logs
// global refs to log classes
static jclass main_log_cls = NULL;
static jclass tech_log_cls = NULL;
// global refs to log objects
static jobject main_log_obj = NULL;
static jobject tech_log_obj = NULL;
// method ids for print method in logs
static jmethodID main_log_mid = NULL;
static jmethodID main_log_warn = NULL;
static jmethodID tech_log_mid = NULL;
// export stuff
int export_type;
FILE *export_file;
JNIEnv *export_env;
// error message
static char error_message[MAX_ERR_STRING_LEN];
//------------------------------------------------------------------------------
// cudd manager
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_PrismSparse_PS_1SetCUDDManager(JNIEnv *env, jclass cls, jlong __jlongpointer ddm)
{
ddman = jlong_to_DdManager(ddm);
}
//------------------------------------------------------------------------------
// logs
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_PrismSparse_PS_1SetMainLog(JNIEnv *env, jclass cls, jobject log)
{
// if main log has been set previously, we need to delete existing global refs first
if (main_log_obj != NULL) {
env->DeleteGlobalRef(main_log_cls);
main_log_cls = NULL;
env->DeleteGlobalRef(main_log_obj);
main_log_obj = NULL;
}
// make a global reference to the log object
main_log_obj = env->NewGlobalRef(log);
// get the log class and make a global reference to it
main_log_cls = (jclass)env->NewGlobalRef(env->GetObjectClass(main_log_obj));
// get the method id for the print method
main_log_mid = env->GetMethodID(main_log_cls, "print", "(Ljava/lang/String;)V");
main_log_warn = env->GetMethodID(main_log_cls, "printWarning", "(Ljava/lang/String;)V");
}
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_PrismSparse_PS_1SetTechLog(JNIEnv *env, jclass cls, jobject log)
{
// if tech log has been set previously, we need to delete existing global refs first
if (tech_log_obj != NULL) {
env->DeleteGlobalRef(tech_log_cls);
tech_log_cls = NULL;
env->DeleteGlobalRef(tech_log_obj);
tech_log_obj = NULL;
}
// make a global reference to the log object
tech_log_obj = env->NewGlobalRef(log);
// get the log class and make a global reference to it
tech_log_cls = (jclass)env->NewGlobalRef(env->GetObjectClass(tech_log_obj));
// get the method id for the print method
tech_log_mid = env->GetMethodID(tech_log_cls, "print", "(Ljava/lang/String;)V");
}
//------------------------------------------------------------------------------
void PS_PrintToMainLog(JNIEnv *env, const char *str, ...)
{
va_list argptr;
char full_string[MAX_LOG_STRING_LEN];
va_start(argptr, str);
vsnprintf(full_string, MAX_LOG_STRING_LEN, str, argptr);
va_end(argptr);
if (env)
env->CallVoidMethod(main_log_obj, main_log_mid, env->NewStringUTF(full_string));
else
printf("%s", full_string);
}
//------------------------------------------------------------------------------
void PS_PrintWarningToMainLog(JNIEnv *env, const char *str, ...)
{
va_list argptr;
char full_string[MAX_LOG_STRING_LEN];
va_start(argptr, str);
vsnprintf(full_string, MAX_LOG_STRING_LEN, str, argptr);
va_end(argptr);
if (env)
env->CallVoidMethod(main_log_obj, main_log_warn, env->NewStringUTF(full_string));
else
printf("\nWarning: %s\n", full_string);
}
//------------------------------------------------------------------------------
void PS_PrintToTechLog(JNIEnv *env, const char *str, ...)
{
va_list argptr;
char full_string[MAX_LOG_STRING_LEN];
va_start(argptr, str);
vsnprintf(full_string, MAX_LOG_STRING_LEN, str, argptr);
va_end(argptr);
if (env)
env->CallVoidMethod(tech_log_obj, tech_log_mid, env->NewStringUTF(full_string));
else
printf("%s", full_string);
}
//------------------------------------------------------------------------------
// Print formatted memory info to main log
void PS_PrintMemoryToMainLog(JNIEnv *env, const char *before, double mem, const char *after)
{
char full_string[MAX_LOG_STRING_LEN];
if (mem > 1048576)
snprintf(full_string, MAX_LOG_STRING_LEN, "%s%.1f GB%s", before, mem/1048576.0, after);
else if (mem > 1024)
snprintf(full_string, MAX_LOG_STRING_LEN, "%s%.1f MB%s", before, mem/1024.0, after);
else
snprintf(full_string, MAX_LOG_STRING_LEN, "%s%.1f KB%s", before, mem, after);
if (env) {
env->CallVoidMethod(main_log_obj, main_log_mid, env->NewStringUTF(full_string));
}
else {
printf("%s", full_string);
}
}
//------------------------------------------------------------------------------
// export stuff
//------------------------------------------------------------------------------
// store export info globally
// returns 0 on failure, 1 otherwise
int store_export_info(int type, jstring fn, JNIEnv *env)
{
export_type = type;
if (fn) {
const char *filename = env->GetStringUTFChars(fn, 0);
export_file = fopen(filename, "w");
if (!export_file) {
env->ReleaseStringUTFChars(fn, filename);
return 0;
}
env->ReleaseStringUTFChars(fn, filename);
} else {
export_file = NULL;
}
export_env = env;
return 1;
}
//------------------------------------------------------------------------------
// export string (either to file or main log)
void export_string(const char *str, ...)
{
va_list argptr;
char full_string[MAX_LOG_STRING_LEN];
va_start(argptr, str);
vsnprintf(full_string, MAX_LOG_STRING_LEN, str, argptr);
va_end(argptr);
if (export_file) {
fprintf(export_file, "%s", full_string);
} else {
PS_PrintToMainLog(export_env, full_string);
}
}
//------------------------------------------------------------------------------
// use steady-state detection?
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_PrismSparse_PS_1SetDoSSDetect(JNIEnv *env, jclass cls, jboolean b)
{
do_ss_detect = b;
}
//------------------------------------------------------------------------------
// error message handling
//------------------------------------------------------------------------------
void PS_SetErrorMessage(const char *str, ...)
{
va_list argptr;
va_start(argptr, str);
vsnprintf(error_message, MAX_ERR_STRING_LEN, str, argptr);
va_end(argptr);
}
char *PS_GetErrorMessage()
{
return error_message;
}
JNIEXPORT jstring JNICALL Java_sparse_PrismSparse_PS_1GetErrorMessage(JNIEnv *env, jclass cls)
{
return env->NewStringUTF(error_message);
}
//------------------------------------------------------------------------------
// tidy up
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_PrismSparse_PS_1FreeGlobalRefs(JNIEnv *env, jclass cls)
{
// delete all global references
env->DeleteGlobalRef(main_log_cls);
main_log_cls = NULL;
env->DeleteGlobalRef(tech_log_cls);
tech_log_cls = NULL;
env->DeleteGlobalRef(main_log_obj);
main_log_obj = NULL;
env->DeleteGlobalRef(tech_log_obj);
tech_log_obj = NULL;
}
//------------------------------------------------------------------------------
// Sparse matrix
//------------------------------------------------------------------------------
JNIEXPORT jint JNICALL Java_sparse_NDSparseMatrix_PS_1NDGetActionIndex
(JNIEnv *env, jclass cls,
jlong __jlongpointer _ndsm, // NDSparseMatrix ptr
jint __jlongpointer s, // state index
jint __jlongpointer i // choice index
)
{
NDSparseMatrix * ndsm = (NDSparseMatrix *) jlong_to_NDSparseMatrix(_ndsm);
bool use_counts = ndsm->use_counts;
int *row_starts = (int *)ndsm->row_counts;
unsigned char *row_counts = ndsm->row_counts;
int l1 = 0;
if (!use_counts) { l1 = row_starts[s]; }
else { for (int i = 0; i < s; i++) l1 += row_counts[i]; }
return ndsm->actions[l1];
}
//------------------------------------------------------------------------------
JNIEXPORT jlong __jlongpointer JNICALL Java_sparse_NDSparseMatrix_PS_1BuildNDSparseMatrix
(JNIEnv *env, jclass cls,
jlong __jlongpointer t, // trans
jlong __jlongpointer od, // odd
jlong __jlongpointer rv, // row vars
jint num_rvars,
jlong __jlongpointer cv, // col vars
jint num_cvars,
jlong __jlongpointer ndv, // nondet vars
jint num_ndvars
)
{
NDSparseMatrix *ndsm = NULL;
DdNode *trans = jlong_to_DdNode(t); //trans/reward matrix
DdNode **rvars = jlong_to_DdNode_array(rv); // row vars
DdNode **cvars = jlong_to_DdNode_array(cv); // col vars
DdNode **ndvars = jlong_to_DdNode_array(ndv); // nondet vars
ODDNode *odd = jlong_to_ODDNode(od); // reachable states
ndsm = build_nd_sparse_matrix(ddman, trans, rvars, cvars, num_rvars, ndvars, num_ndvars, odd);
return ptr_to_jlong(ndsm);
}
//------------------------------------------------------------------------------
JNIEXPORT jlong __jlongpointer JNICALL Java_sparse_NDSparseMatrix_PS_1BuildSubNDSparseMatrix
(JNIEnv *env, jclass cls,
jlong __jlongpointer t, // trans
jlong __jlongpointer od, // odd
jlong __jlongpointer rv, // row vars
jint num_rvars,
jlong __jlongpointer cv, // col vars
jint num_cvars,
jlong __jlongpointer ndv, // nondet vars
jint num_ndvars,
jlong __jlongpointer r // reward
)
{
NDSparseMatrix *ndsm = NULL;
DdNode *trans = jlong_to_DdNode(t); //trans/reward matrix
DdNode **rvars = jlong_to_DdNode_array(rv); // row vars
DdNode **cvars = jlong_to_DdNode_array(cv); // col vars
DdNode **ndvars = jlong_to_DdNode_array(ndv); // nondet vars
ODDNode *odd = jlong_to_ODDNode(od); // reachable states
DdNode *rewards = jlong_to_DdNode(r);
ndsm = build_sub_nd_sparse_matrix(ddman, trans, rewards, rvars, cvars, num_rvars, ndvars, num_ndvars, odd);
return ptr_to_jlong(ndsm);
}
//------------------------------------------------------------------------------
JNIEXPORT void JNICALL Java_sparse_NDSparseMatrix_PS_1AddActionsToNDSparseMatrix
(JNIEnv *env, jclass cls,
jlong __jlongpointer t, // trans
jlong __jlongpointer ta, // trans action labels
jlong __jlongpointer od, // odd
jlong __jlongpointer rv, // row vars
jint num_rvars,
jlong __jlongpointer cv, // col vars
jint num_cvars,
jlong __jlongpointer ndv, // nondet vars
jint num_ndvars,
jlong __jlongpointer nd // sparse matrix
)
{
DdNode *trans = jlong_to_DdNode(t); //trans/reward matrix
DdNode *trans_actions = jlong_to_DdNode(ta); // trans action labels
ODDNode *odd = jlong_to_ODDNode(od); // reachable states
DdNode **rvars = jlong_to_DdNode_array(rv); // row vars
DdNode **cvars = jlong_to_DdNode_array(cv); // col vars
DdNode **ndvars = jlong_to_DdNode_array(ndv); // nondet vars
NDSparseMatrix *ndsm = (NDSparseMatrix *) jlong_to_NDSparseMatrix(nd); // sparse matrix
jstring *action_names_jstrings;
const char** action_names = NULL;
int num_actions;
if (trans_actions != NULL) {
build_nd_action_vector(ddman, trans, trans_actions, ndsm, rvars, cvars, num_rvars, ndvars, num_ndvars, odd);
}
}
//------------------------------------------------------------------------------
JNIEXPORT void __jlongpointer JNICALL Java_sparse_NDSparseMatrix_PS_1DeleteNDSparseMatrix
(JNIEnv *env, jclass cls,
jlong __jlongpointer _ndsm)
{
NDSparseMatrix * ndsm = (NDSparseMatrix *) jlong_to_NDSparseMatrix(_ndsm);
if (ndsm) delete ndsm;
}
//------------------------------------------------------------------------------