+++ /dev/null
-/* Java Wrappers to the MSG API. */
-
-/* Copyright (c) 2007-2017. 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 <algorithm>
-#include <clocale>
-#include <string>
-
-#include "simgrid/msg.h"
-#include "simgrid/plugins/energy.h"
-#include "simgrid/simix.h"
-
-#include "simgrid/s4u/Host.hpp"
-
-#include "src/simix/smx_private.hpp"
-
-#include "jmsg.hpp"
-#include "jmsg_as.hpp"
-#include "jmsg_host.h"
-#include "jmsg_process.h"
-#include "jmsg_storage.h"
-#include "jmsg_task.h"
-#include "jxbt_utilities.hpp"
-
-#include "JavaContext.hpp"
-
-#include <xbt/ex.hpp>
-
-/* Shut up some errors in eclipse online compiler. I wish such a pimple wouldn't be needed */
-#ifndef JNIEXPORT
-#define JNIEXPORT
-#endif
-#ifndef JNICALL
-#define JNICALL
-#endif
-/* end of eclipse-mandated pimple */
-
-extern "C" {
-
-int JAVA_HOST_LEVEL = -1;
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java);
-
-JavaVM *__java_vm = nullptr;
-
-JavaVM *get_java_VM()
-{
- return __java_vm;
-}
-
-JNIEnv *get_current_thread_env()
-{
- using simgrid::kernel::context::JavaContext;
- JavaContext* ctx = static_cast<JavaContext*>(xbt_os_thread_get_extra_data());
- return ctx->jenv;
-}
-
-void jmsg_throw_status(JNIEnv *env, msg_error_t status) {
- switch (status) {
- case MSG_TIMEOUT:
- jxbt_throw_time_out_failure(env, "");
- break;
- case MSG_TRANSFER_FAILURE:
- jxbt_throw_transfer_failure(env, "");
- break;
- case MSG_HOST_FAILURE:
- jxbt_throw_host_failure(env, "");
- break;
- case MSG_TASK_CANCELED:
- jxbt_throw_task_cancelled(env, "");
- break;
- default:
- xbt_die("undefined message failed (please see jmsg_throw_status function in jmsg.cpp)");
- }
-}
-
-/***************************************************************************************
- * Unsortable functions *
- ***************************************************************************************/
-
-JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Msg_getClock(JNIEnv * env, jclass cls)
-{
- return (jdouble) MSG_get_clock();
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs)
-{
- int argc = 0;
-
- XBT_LOG_CONNECT(java);
- XBT_LOG_CONNECT(jtrace);
-
- env->GetJavaVM(&__java_vm);
-
- simgrid::kernel::context::factory_initializer = &simgrid::kernel::context::java_factory;
- jthrowable exc = env->ExceptionOccurred();
- if (exc) {
- env->ExceptionClear();
- }
-
- setlocale(LC_NUMERIC,"C");
-
- if (jargs)
- argc = static_cast<int>(env->GetArrayLength(jargs));
-
- argc++;
- char** argv = new char*[argc + 1];
- argv[0] = xbt_strdup("java");
-
- for (int index = 0; index < argc - 1; index++) {
- jstring jval = (jstring)env->GetObjectArrayElement(jargs, index);
- const char* tmp = env->GetStringUTFChars(jval, 0);
- argv[index + 1] = xbt_strdup(tmp);
- env->ReleaseStringUTFChars(jval, tmp);
- }
- argv[argc] = nullptr;
-
- MSG_init(&argc, argv);
-
- JAVA_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr);
-
- for (int index = 0; index < argc - 1; index++) {
- env->SetObjectArrayElement(jargs, index, (jstring)env->NewStringUTF(argv[index + 1]));
- free(argv[index]);
- }
- free(argv[argc]);
- delete[] argv;
-}
-
-JNIEXPORT void JNICALL JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass cls)
-{
- /* Run everything */
- XBT_DEBUG("Ready to run MSG_MAIN");
- msg_error_t rv = MSG_main();
- XBT_DEBUG("Done running MSG_MAIN");
- jxbt_check_res("MSG_main()", rv, MSG_OK,
- xbt_strdup("unexpected error : MSG_main() failed .. please report this bug "));
-
- XBT_INFO("MSG_main finished; Cleaning up the simulation...");
- /* Cleanup java hosts */
- xbt_dynar_t hosts = MSG_hosts_as_dynar();
- for (unsigned long index = 0; index < xbt_dynar_length(hosts) - 1; index++) {
- msg_host_t msg_host = xbt_dynar_get_as(hosts,index,msg_host_t);
- jobject jhost = (jobject) msg_host->extension(JAVA_HOST_LEVEL);
- if (jhost)
- jhost_unref(env, jhost);
-
- }
- xbt_dynar_free(&hosts);
-
- /* Cleanup java storages */
- for (auto const& elm : java_storage_map)
- jstorage_unref(env, elm.second);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls, jstring jplatformFile)
-{
- const char *platformFile = env->GetStringUTFChars(jplatformFile, 0);
-
- MSG_create_environment(platformFile);
-
- env->ReleaseStringUTFChars(jplatformFile, platformFile);
-}
-
-JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Msg_environmentGetRoutingRoot(JNIEnv * env, jclass cls)
-{
- msg_netzone_t as = MSG_zone_get_root();
- jobject jas = jnetzone_new_instance(env);
- if (not jas) {
- jxbt_throw_jni(env, "java As instantiation failed");
- return nullptr;
- }
- jas = jnetzone_ref(env, jas);
- if (not jas) {
- jxbt_throw_jni(env, "new global ref allocation failed");
- return nullptr;
- }
- jnetzone_bind(jas, as, env);
-
- return (jobject) jas;
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_debug(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_DEBUG("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_verb(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_VERB("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_info(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_INFO("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_warn(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_WARN("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_error(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_ERROR("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_critical(JNIEnv * env, jclass cls, jstring js)
-{
- const char *s = env->GetStringUTFChars(js, 0);
- XBT_CRITICAL("%s", s);
- env->ReleaseStringUTFChars(js, s);
-}
-
-static int java_main(int argc, char *argv[]);
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls, jstring jdeploymentFile)
-{
- const char *deploymentFile = env->GetStringUTFChars(jdeploymentFile, 0);
-
- SIMIX_function_register_default(java_main);
- MSG_launch_application(deploymentFile);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_energyInit() {
- sg_host_energy_plugin_init();
-}
-} // extern "C"
-
-/** Run a Java org.simgrid.msg.Process
- *
- * If needed, this waits for the process starting time.
- * Then it calls the Process.run() method.
- */
-static void run_jprocess(JNIEnv *env, jobject jprocess)
-{
- // wait for the process's start time
- jfieldID jprocess_field_Process_startTime = jxbt_get_sfield(env, "org/simgrid/msg/Process", "startTime", "D");
- jdouble startTime = env->GetDoubleField(jprocess, jprocess_field_Process_startTime);
- if (startTime > MSG_get_clock())
- MSG_process_sleep(startTime - MSG_get_clock());
- //Execution of the "run" method.
- jmethodID id = jxbt_get_smethod(env, "org/simgrid/msg/Process", "run", "()V");
- xbt_assert((id != nullptr), "Method run() not found...");
- env->CallVoidMethod(jprocess, id);
-}
-
-/** Create a Java org.simgrid.msg.Process with the arguments and run it */
-static int java_main(int argc, char *argv[])
-{
- JNIEnv *env = get_current_thread_env();
- simgrid::kernel::context::JavaContext* context = static_cast<simgrid::kernel::context::JavaContext*>(SIMIX_context_self());
-
- //Change the "." in class name for "/".
- std::string arg0 = argv[0];
- std::replace(begin(arg0), end(arg0), '.', '/');
- jclass class_Process = env->FindClass(arg0.c_str());
- //Retrieve the methodID for the constructor
- xbt_assert((class_Process != nullptr), "Class not found (%s). The deployment file must use the fully qualified class name, including the package. The case is important.", argv[0]);
- jmethodID constructor_Process = env->GetMethodID(class_Process, "<init>", "(Lorg/simgrid/msg/Host;Ljava/lang/String;[Ljava/lang/String;)V");
- xbt_assert((constructor_Process != nullptr), "Constructor not found for class %s. Is there a (Host, String ,String[]) constructor in your class ?", argv[0]);
-
- //Retrieve the name of the process.
- jstring jname = env->NewStringUTF(argv[0]);
- //Build the arguments
- jobjectArray args = static_cast<jobjectArray>(env->NewObjectArray(argc - 1, env->FindClass("java/lang/String"),
- env->NewStringUTF("")));
- for (int i = 1; i < argc; i++)
- env->SetObjectArrayElement(args,i - 1, env->NewStringUTF(argv[i]));
- //Retrieve the host for the process.
- jstring jhostName = env->NewStringUTF(MSG_host_self()->getCname());
- jobject jhost = Java_org_simgrid_msg_Host_getByName(env, nullptr, jhostName);
- //creates the process
- jobject jprocess = env->NewObject(class_Process, constructor_Process, jhost, jname, args);
- xbt_assert((jprocess != nullptr), "Process allocation failed.");
- jprocess = env->NewGlobalRef(jprocess);
- //bind the process to the context
- msg_process_t process = MSG_process_self();
-
- context->jprocess = jprocess;
- /* sets the PID and the PPID of the process */
- env->SetIntField(jprocess, jprocess_field_Process_pid, static_cast<jint>(MSG_process_get_PID(process)));
- env->SetIntField(jprocess, jprocess_field_Process_ppid, static_cast<jint>(MSG_process_get_PPID(process)));
- jprocess_bind(jprocess, process, env);
-
- run_jprocess(env, context->jprocess);
- return 0;
-}
-
-namespace simgrid {
-namespace kernel {
-namespace context {
-
-/** Run the Java org.simgrid.msg.Process */
-void java_main_jprocess(jobject jprocess)
-{
- JNIEnv *env = get_current_thread_env();
- simgrid::kernel::context::JavaContext* context = static_cast<simgrid::kernel::context::JavaContext*>(SIMIX_context_self());
- context->jprocess = jprocess;
- jprocess_bind(context->jprocess, MSG_process_self(), env);
-
- run_jprocess(env, context->jprocess);
-}
-}}}
