/* Functions related to the java host instances. */
-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2019. 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 "simgrid/msg.h"
-#include "jmsg.h"
+#include "simgrid/plugins/energy.h"
+#include "simgrid/plugins/load.h"
+#include "simgrid/s4u/Host.hpp"
+#include "simgrid/s4u/Storage.hpp"
+
+#include "JavaContext.hpp"
+#include "jmsg.hpp"
#include "jmsg_host.h"
-#include "jxbt_utilities.h"
#include "jmsg_storage.h"
-#include <surf/surf_routing.h>
+#include "jxbt_utilities.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java);
static jmethodID jhost_method_Host_constructor;
static jfieldID jhost_field_Host_bind;
return (msg_host_t) (uintptr_t) env->GetLongField(jhost, jhost_field_Host_bind);
}
-const char *jhost_get_name(jobject jhost, JNIEnv * env) {
- msg_host_t host = jhost_get_native(env, jhost);
- return MSG_host_get_name(host);
-}
-
-jboolean jhost_is_valid(jobject jhost, JNIEnv * env) {
- if (env->GetLongField(jhost, jhost_field_Host_bind)) {
- return JNI_TRUE;
- } else {
- return JNI_FALSE;
- }
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Host_nativeInit(JNIEnv *env, jclass cls) {
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_nativeInit(JNIEnv *env, jclass cls) {
jclass class_Host = env->FindClass("org/simgrid/msg/Host");
jhost_method_Host_constructor = env->GetMethodID(class_Host, "<init>", "()V");
jhost_field_Host_bind = jxbt_get_jfield(env,class_Host, "bind", "J");
jhost_field_Host_name = jxbt_get_jfield(env, class_Host, "name", "Ljava/lang/String;");
- if (!class_Host || !jhost_field_Host_name || !jhost_method_Host_constructor || !jhost_field_Host_bind) {
- jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
- }
+ xbt_assert(class_Host && jhost_field_Host_name && jhost_method_Host_constructor && jhost_field_Host_bind,
+ "Native initialization of msg/Host failed. Please report that bug");
}
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Host_getByName(JNIEnv * env, jclass cls,
- jstring jname) {
- msg_host_t host; /* native host */
- jobject jhost; /* global reference to the java host instance returned */
+
+JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Host_getByName(JNIEnv * env, jclass cls, jstring jname) {
/* 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;
+ if (jname == nullptr) {
+ jxbt_throw_null(env, "No host can have a null name");
+ return nullptr;
}
const char *name = env->GetStringUTFChars(jname, 0);
/* get the host by name (the hosts are created during the grid resolution) */
- host = MSG_host_by_name(name);
+ msg_host_t host = MSG_host_by_name(name);
- if (!host) { /* invalid name */
+ if (not host) { /* invalid name */
jxbt_throw_host_not_found(env, name);
env->ReleaseStringUTFChars(jname, name);
- return NULL;
+ return nullptr;
}
env->ReleaseStringUTFChars(jname, name);
- if (!host->extension(JAVA_HOST_LEVEL)) { /* native host not associated yet with java host */
-
+ if (not host->extension(JAVA_HOST_LEVEL)) { /* native host not associated yet with java host */
/* Instantiate a new java host */
- jhost = jhost_new_instance(env);
+ jobject jhost = jhost_new_instance(env);
- if (!jhost) {
+ if (not jhost) {
jxbt_throw_jni(env, "java host instantiation failed");
- return NULL;
+ return nullptr;
}
/* get a global reference to the newly created host */
jhost = jhost_ref(env, jhost);
- if (!jhost) {
+ if (not jhost) {
jxbt_throw_jni(env, "new global ref allocation failed");
- return NULL;
+ return nullptr;
}
/* Sets the java host name */
env->SetObjectField(jhost, jhost_field_Host_name, jname);
/* bind the java host and the native host */
jhost_bind(jhost, host, env);
- /* the native host data field is set with the global reference to the
- * java host returned by this function
- */
+ /* the native host data field is set with the global reference to the java host returned by this function */
host->extension_set(JAVA_HOST_LEVEL, (void *)jhost);
}
return (jobject) host->extension(JAVA_HOST_LEVEL);
}
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Host_currentHost(JNIEnv * env, jclass cls) {
+JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Host_currentHost(JNIEnv * env, jclass cls) {
jobject jhost;
msg_host_t host = MSG_host_self();
- if (!host->extension(JAVA_HOST_LEVEL)) {
+ if (not host->extension(JAVA_HOST_LEVEL)) {
/* the native host not yet associated with the java host instance */
/* instanciate a new java host instance */
jhost = jhost_new_instance(env);
- if (!jhost) {
+ if (not jhost) {
jxbt_throw_jni(env, "java host instantiation failed");
- return NULL;
+ return nullptr;
}
/* get a global reference to the newly created host */
jhost = jhost_ref(env, jhost);
- if (!jhost) {
+ if (not jhost) {
jxbt_throw_jni(env, "global ref allocation failed");
- return NULL;
+ return nullptr;
}
/* Sets the host name */
- const char *name = MSG_host_get_name(host);
- jobject jname = env->NewStringUTF(name);
+ jobject jname = env->NewStringUTF(host->get_cname());
env->SetObjectField(jhost, jhost_field_Host_name, jname);
/* Bind & store it */
jhost_bind(jhost, host, env);
return jhost;
}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Host_on(JNIEnv *env, jobject jhost) {
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_on(JNIEnv *env, jobject jhost) {
msg_host_t host = jhost_get_native(env, jhost);
MSG_host_on(host);
}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Host_off(JNIEnv *env, jobject jhost) {
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_off(JNIEnv *env, jobject jhost) {
msg_host_t host = jhost_get_native(env, jhost);
- MSG_host_off(host);
+ if (not simgrid::kernel::context::StopRequest::try_n_catch([host]() { MSG_host_off(host); }))
+ jxbt_throw_by_name(env, "org/simgrid/msg/ProcessKilledError", "Process killed");
}
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_Host_getCount(JNIEnv * env, jclass cls) {
+JNIEXPORT jint JNICALL Java_org_simgrid_msg_Host_getCount(JNIEnv * env, jclass cls) {
xbt_dynar_t hosts = MSG_hosts_as_dynar();
int nb_host = xbt_dynar_length(hosts);
xbt_dynar_free(&hosts);
return (jint) nb_host;
}
-JNIEXPORT jdouble JNICALL
-Java_org_simgrid_msg_Host_getSpeed(JNIEnv * env,
- jobject jhost) {
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getSpeed(JNIEnv * env, jobject jhost) {
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return -1;
}
return (jdouble) MSG_host_get_speed(host);
}
-JNIEXPORT jdouble JNICALL
-Java_org_simgrid_msg_Host_getCoreNumber(JNIEnv * env,
- jobject jhost) {
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getCoreNumber(JNIEnv * env, jobject jhost) {
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return -1;
}
return (jdouble) MSG_host_get_core_number(host);
}
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Host_getProperty(JNIEnv *env, jobject jhost, jobject jname) {
+JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Host_getProperty(JNIEnv *env, jobject jhost, jobject jname) {
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
- return NULL;
+ return nullptr;
}
const char *name = env->GetStringUTFChars((jstring) jname, 0);
const char *property = MSG_host_get_property_value(host, name);
- if (!property) {
- return NULL;
+ if (not property) {
+ return nullptr;
}
jobject jproperty = env->NewStringUTF(property);
Java_org_simgrid_msg_Host_setProperty(JNIEnv *env, jobject jhost, jobject jname, jobject jvalue) {
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return;
}
const char *value_java = env->GetStringUTFChars((jstring) jvalue, 0);
char *value = xbt_strdup(value_java);
- MSG_host_set_property_value(host, name, value, xbt_free_f);
+ MSG_host_set_property_value(host, name, value);
env->ReleaseStringUTFChars((jstring) jvalue, value_java);
env->ReleaseStringUTFChars((jstring) jname, name);
-
}
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_Host_isOn(JNIEnv * env, jobject jhost) {
+
+JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Host_isOn(JNIEnv * env, jobject jhost)
+{
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return 0;
}
return (jboolean) MSG_host_is_on(host);
}
-JNIEXPORT jobjectArray JNICALL
-Java_org_simgrid_msg_Host_getMountedStorage(JNIEnv * env, jobject jhost){
-
+JNIEXPORT jobjectArray JNICALL Java_org_simgrid_msg_Host_getMountedStorage(JNIEnv * env, jobject jhost)
+{
msg_host_t host = jhost_get_native(env, jhost);
jobject jstorage;
jstring jname;
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return 0;
}
int index = 0;
jobjectArray jtable;
- xbt_dict_t dict = MSG_host_get_mounted_storage_list(host);
- int count = xbt_dict_length(dict);
+ std::unordered_map<std::string, msg_storage_t> mounted_storages = host->get_mounted_storages();
+ int count = mounted_storages.size();
jclass cls = env->FindClass("org/simgrid/msg/Storage");
- jtable = env->NewObjectArray((jsize) count, cls, NULL);
+ jtable = env->NewObjectArray((jsize) count, cls, nullptr);
- if (!jtable) {
- jxbt_throw_jni(env, "Storages table allocation failed");
- return NULL;
+ if (not jtable) {
+ jxbt_throw_jni(env, "Storages table allocation failed");
+ return nullptr;
}
- xbt_dict_cursor_t cursor=NULL;
- const char *mount_name, *storage_name;
-
- xbt_dict_foreach(dict,cursor,mount_name,storage_name) {
- jname = env->NewStringUTF(storage_name);
+ for (auto const& elm : mounted_storages) {
+ jname = env->NewStringUTF(elm.second->get_cname());
jstorage = Java_org_simgrid_msg_Storage_getByName(env,cls,jname);
env->SetObjectArrayElement(jtable, index, jstorage);
index++;
}
- xbt_dict_free(&dict);
return jtable;
}
-JNIEXPORT jobjectArray JNICALL
-Java_org_simgrid_msg_Host_getAttachedStorage(JNIEnv * env, jobject jhost){
+JNIEXPORT jobjectArray JNICALL Java_org_simgrid_msg_Host_getAttachedStorage(JNIEnv * env, jobject jhost)
+{
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return 0;
}
jobjectArray jtable;
- xbt_dynar_t dyn = MSG_host_get_attached_storage_list(host);
- int count = xbt_dynar_length(dyn);
- jclass cls = jxbt_get_class(env, "java/lang/String");
- jtable = env->NewObjectArray((jsize) count, cls, NULL);
- int index;
- char *storage_name;
+ xbt_dynar_t dyn = sg_host_get_attached_storage_list(host);
+ jclass cls = jxbt_get_class(env, "java/lang/String");
+ jtable = env->NewObjectArray(static_cast<jsize>(xbt_dynar_length(dyn)), cls, nullptr);
+ unsigned int index;
+ const char* storage_name;
jstring jstorage_name;
- for (index = 0; index < count; index++) {
- storage_name = xbt_dynar_get_as(dyn,index,char*);
+ xbt_dynar_foreach (dyn, index, storage_name) {
jstorage_name = env->NewStringUTF(storage_name);
env->SetObjectArrayElement(jtable, index, jstorage_name);
}
-
+ xbt_dynar_free_container(&dyn);
return jtable;
}
-JNIEXPORT jobjectArray JNICALL
-Java_org_simgrid_msg_Host_getStorageContent(JNIEnv * env, jobject jhost){
+JNIEXPORT jobjectArray JNICALL Java_org_simgrid_msg_Host_getStorageContent(JNIEnv * env, jobject jhost)
+{
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return 0;
}
return (jobjectArray)MSG_host_get_storage_content(host);
}
-
-JNIEXPORT jobjectArray JNICALL
-Java_org_simgrid_msg_Host_all(JNIEnv * env, jclass cls_arg)
+JNIEXPORT jobjectArray JNICALL Java_org_simgrid_msg_Host_all(JNIEnv * env, jclass cls_arg)
{
- int index;
- jobjectArray jtable;
- jobject jhost;
- jstring jname;
- msg_host_t host;
xbt_dynar_t table = MSG_hosts_as_dynar();
int count = xbt_dynar_length(table);
jclass cls = jxbt_get_class(env, "org/simgrid/msg/Host");
+ if (not cls)
+ return nullptr;
- if (!cls) {
- return NULL;
- }
+ jobjectArray jtable = env->NewObjectArray((jsize)count, cls, nullptr);
- jtable = env->NewObjectArray((jsize) count, cls, NULL);
-
- if (!jtable) {
+ if (not jtable) {
jxbt_throw_jni(env, "Hosts table allocation failed");
- return NULL;
+ return nullptr;
}
- for (index = 0; index < count; index++) {
- host = xbt_dynar_get_as(table,index,msg_host_t);
- jhost = (jobject) host->extension(JAVA_HOST_LEVEL);
+ for (int index = 0; index < count; index++) {
+ msg_host_t host = xbt_dynar_get_as(table, index, msg_host_t);
+ jobject jhost = static_cast<jobject>(host->extension(JAVA_HOST_LEVEL));
- if (!jhost) {
- jname = env->NewStringUTF(MSG_host_get_name(host));
-
- jhost =
- Java_org_simgrid_msg_Host_getByName(env, cls_arg, jname);
- /* FIXME: leak of jname ? */
+ if (not jhost) {
+ jstring jname = env->NewStringUTF(host->get_cname());
+ jhost = Java_org_simgrid_msg_Host_getByName(env, cls_arg, jname);
}
env->SetObjectArrayElement(jtable, index, jhost);
return jtable;
}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Host_setAsyncMailbox(JNIEnv * env, jclass cls_arg, jobject jname){
-
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_setAsyncMailbox(JNIEnv * env, jclass cls_arg, jobject jname)
+{
const char *name = env->GetStringUTFChars((jstring) jname, 0);
- MSG_mailbox_set_async(name);
+ sg_mailbox_set_receiver(name);
env->ReleaseStringUTFChars((jstring) jname, name);
+}
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_updateAllEnergyConsumptions(JNIEnv* env, jclass cls)
+{
+ sg_host_energy_update_all();
}
-#include "simgrid/plugins/energy.h"
-JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getConsumedEnergy (JNIEnv *env, jobject jhost) {
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getConsumedEnergy (JNIEnv *env, jobject jhost)
+{
msg_host_t host = jhost_get_native(env, jhost);
- if (!host) {
+ if (not host) {
jxbt_throw_notbound(env, "host", jhost);
return 0;
}
return MSG_host_get_consumed_energy(host);
+}
+
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Host_setPstate(JNIEnv* env, jobject jhost, jint pstate)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ MSG_host_set_pstate(host, pstate);
+}
+JNIEXPORT jint JNICALL Java_org_simgrid_msg_Host_getPstate(JNIEnv* env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ return MSG_host_get_pstate(host);
+}
+JNIEXPORT jint JNICALL Java_org_simgrid_msg_Host_getPstatesCount(JNIEnv* env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ return MSG_host_get_nb_pstates(host);
+}
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getCurrentPowerPeak(JNIEnv* env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ return MSG_host_get_speed(host);
+}
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getPowerPeakAt(JNIEnv* env, jobject jhost, jint pstate)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ return MSG_host_get_power_peak_at(host, pstate);
+}
+
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getLoad(JNIEnv* env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ return MSG_host_get_load(host);
+}
+
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getCurrentLoad (JNIEnv *env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+ if (not host) {
+ jxbt_throw_notbound(env, "host", jhost);
+ return 0;
+ }
+
+ return MSG_host_get_current_load(host);
}
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getComputedFlops (JNIEnv *env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+
+ if (not host) {
+ jxbt_throw_notbound(env, "host", jhost);
+ return 0;
+ }
+
+ return MSG_host_get_computed_flops(host);
+}
+
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Host_getAvgLoad (JNIEnv *env, jobject jhost)
+{
+ msg_host_t host = jhost_get_native(env, jhost);
+
+ if (not host) {
+ jxbt_throw_notbound(env, "host", jhost);
+ return 0;
+ }
+
+ return MSG_host_get_avg_load(host);
+}
