--- /dev/null
+/* Functions related to the java storage API. */
+
+/* Copyright (c) 2012-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "xbt/str.h"
+#include "msg/msg.h"
+#include "jmsg.h"
+#include "jmsg_storage.h"
+#include "jxbt_utilities.h"
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
+
+static jmethodID jstorage_method_Storage_constructor;
+static jfieldID jstorage_field_Storage_bind;
+static jfieldID jstorage_field_Storage_name;
+
+jobject jstorage_new_instance(JNIEnv * env) {
+ jclass cls = jxbt_get_class(env, "org/simgrid/msg/Storage");
+ return (*env)->NewObject(env, cls, jstorage_method_Storage_constructor);
+}
+
+msg_storage_t jstorage_get_native(JNIEnv * env, jobject jstorage) {
+ return (msg_storage_t) (long) (*env)->GetLongField(env, jstorage, jstorage_field_Storage_bind);
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_Storage_nativeInit(JNIEnv *env, jclass cls) {
+ jclass class_Storage = (*env)->FindClass(env, "org/simgrid/msg/Storage");
+ jstorage_method_Storage_constructor = (*env)->GetMethodID(env, class_Storage, "<init>", "()V");
+ jstorage_field_Storage_bind = jxbt_get_jfield(env,class_Storage, "bind", "J");
+ jstorage_field_Storage_name = jxbt_get_jfield(env, class_Storage, "name", "Ljava/lang/String;");
+ if (!class_Storage || !jstorage_field_Storage_name || !jstorage_method_Storage_constructor || !jstorage_field_Storage_bind) {
+ jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
+ }
+}
+
+void jstorage_bind(jobject jstorage, msg_storage_t storage, JNIEnv * env) {
+ (*env)->SetLongField(env, jstorage, jstorage_field_Storage_bind, (jlong) (long) (storage));
+}
+
+jobject jstorage_ref(JNIEnv * env, jobject jstorage) {
+ return (*env)->NewGlobalRef(env, jstorage);
+}
+
+void jstorage_unref(JNIEnv * env, jobject jstorage) {
+ (*env)->DeleteGlobalRef(env, jstorage);
+}
+
+const char *jstorage_get_name(jobject jstorage, JNIEnv * env) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+ return MSG_storage_get_name(storage);
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_Storage_getByName(JNIEnv * env, jclass cls,
+ jstring jname) {
+ msg_storage_t storage;
+ jobject jstorage;
+
+ /* get the C string from the java string */
+ if (jname == NULL) {
+ jxbt_throw_null(env,bprintf("No host can have a null name"));
+ return NULL;
+ }
+ const char *name = (*env)->GetStringUTFChars(env, jname, 0);
+ storage = MSG_storage_get_by_name(name);
+
+ if (!storage) { /* invalid name */
+ jxbt_throw_storage_not_found(env, name);
+ (*env)->ReleaseStringUTFChars(env, jname, name);
+ return NULL;
+ }
+ (*env)->ReleaseStringUTFChars(env, jname, name);
+
+ if (!xbt_lib_get_level(storage, JAVA_STORAGE_LEVEL)) { /* native host not associated yet with java host */
+
+ /* Instantiate a new java storage */
+ jstorage = jstorage_new_instance(env);
+
+ if (!jstorage) {
+ jxbt_throw_jni(env, "java storage instantiation failed");
+ return NULL;
+ }
+
+ /* get a global reference to the newly created storage */
+ jstorage = jstorage_ref(env, jstorage);
+
+ if (!jstorage) {
+ jxbt_throw_jni(env, "new global ref allocation failed");
+ return NULL;
+ }
+ /* Sets the java storage name */
+ (*env)->SetObjectField(env, jstorage, jstorage_field_Storage_name, jname);
+ /* bind the java storage and the native storage */
+ jstorage_bind(jstorage, storage, env);
+
+ /* the native storage data field is set with the global reference to the
+ * java storage returned by this function
+ */
+ xbt_lib_set(storage_lib, storage->key, JAVA_STORAGE_LEVEL, (void *) jstorage);
+ }
+
+ /* return the global reference to the java storage instance */
+ return (jobject) xbt_lib_get_level(storage, JAVA_STORAGE_LEVEL);
+}
+
+
+JNIEXPORT jlong JNICALL
+Java_org_simgrid_msg_Storage_getSize(JNIEnv * env,jobject jstorage) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return -1;
+ }
+
+ return (jlong) MSG_storage_get_size(storage);
+}
+
+JNIEXPORT jlong JNICALL
+Java_org_simgrid_msg_Storage_getFreeSize(JNIEnv * env,jobject jstorage) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return -1;
+ }
+
+ return (jlong) MSG_storage_get_free_size(storage);
+}
+
+JNIEXPORT jlong JNICALL
+Java_org_simgrid_msg_Storage_getUsedSize(JNIEnv * env,jobject jstorage) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return -1;
+ }
+
+ return (jlong) MSG_storage_get_used_size(storage);
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_Storage_getProperty(JNIEnv *env, jobject jstorage, jobject jname) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return NULL;
+ }
+ const char *name = (*env)->GetStringUTFChars(env, jname, 0);
+
+ const char *property = MSG_storage_get_property_value(storage, name);
+ if (!property) {
+ return NULL;
+ }
+ jobject jproperty = (*env)->NewStringUTF(env, property);
+
+ (*env)->ReleaseStringUTFChars(env, jname, name);
+
+ return jproperty;
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_Storage_setProperty(JNIEnv *env, jobject jstorage, jobject jname, jobject jvalue) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return;
+ }
+ const char *name = (*env)->GetStringUTFChars(env, jname, 0);
+ const char *value_java = (*env)->GetStringUTFChars(env, jvalue, 0);
+ char *value = strdup(value_java);
+
+ MSG_storage_set_property_value(storage, name, value, xbt_free_f);
+
+ (*env)->ReleaseStringUTFChars(env, jvalue, value);
+ (*env)->ReleaseStringUTFChars(env, jname, name);
+
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_Storage_getHost(JNIEnv * env,jobject jstorage) {
+ msg_storage_t storage = jstorage_get_native(env, jstorage);
+
+ if (!storage) {
+ jxbt_throw_notbound(env, "storage", jstorage);
+ return NULL;
+ }
+ const char *host_name = MSG_storage_get_host(storage);
+ if (!host_name) {
+ return NULL;
+ }
+ jobject jhost_name = (*env)->NewStringUTF(env, host_name);
+
+ return jhost_name;
+}
+
+JNIEXPORT jobjectArray JNICALL
+Java_org_simgrid_msg_Storage_all(JNIEnv * env, jclass cls_arg)
+{
+ int index;
+ jobjectArray jtable;
+ jobject jstorage;
+ jstring jname;
+ msg_storage_t storage;
+
+ xbt_dynar_t table = MSG_storages_as_dynar();
+ int count = xbt_dynar_length(table);
+
+ jclass cls = jxbt_get_class(env, "org/simgrid/msg/Storage");
+
+ if (!cls) {
+ return NULL;
+ }
+
+ jtable = (*env)->NewObjectArray(env, (jsize) count, cls, NULL);
+
+ if (!jtable) {
+ jxbt_throw_jni(env, "Storages table allocation failed");
+ return NULL;
+ }
+
+ for (index = 0; index < count; index++) {
+ storage = xbt_dynar_get_as(table,index,msg_storage_t);
+ jstorage = (jobject) (xbt_lib_get_level(storage, JAVA_STORAGE_LEVEL));
+
+ if (!jstorage) {
+ jname = (*env)->NewStringUTF(env, MSG_storage_get_name(storage));
+ jstorage = Java_org_simgrid_msg_Storage_getByName(env, cls_arg, jname);
+ }
+
+ (*env)->SetObjectArrayElement(env, jtable, index, jstorage);
+ }
+ xbt_dynar_free(&table);
+ return jtable;
+}
+
