/* Java Wrappers to the MSG API. */
-/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2020. 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 <memory>
#include <string>
+#include <vector>
#include "simgrid/Exception.hpp"
#include "simgrid/msg.h"
JNIEnv *get_current_thread_env()
{
using simgrid::kernel::context::JavaContext;
- JavaContext* ctx = static_cast<JavaContext*>(xbt_os_thread_get_extra_data());
- return ctx->jenv_;
+ const JavaContext* ctx = static_cast<JavaContext*>(simgrid::kernel::context::Context::self());
+ if (ctx)
+ return ctx->jenv_;
+ else
+ return nullptr;
}
void jmsg_throw_status(JNIEnv *env, msg_error_t status) {
* Unsortable functions *
***************************************************************************************/
-JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Msg_getClock(JNIEnv * env, jclass cls)
+JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Msg_getClock(JNIEnv*, jclass)
{
return (jdouble) MSG_get_clock();
}
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv* env, jclass, jobjectArray jargs)
{
- int argc = 0;
-
env->GetJavaVM(&__java_vm);
simgrid::kernel::context::factory_initializer = &simgrid::kernel::context::java_factory;
- jthrowable exc = env->ExceptionOccurred();
+ const _jthrowable* exc = env->ExceptionOccurred();
if (exc) {
env->ExceptionClear();
}
setlocale(LC_NUMERIC,"C");
+ int argc = 1;
if (jargs)
- argc = static_cast<int>(env->GetArrayLength(jargs));
+ argc += static_cast<int>(env->GetArrayLength(jargs));
+ xbt_assert(argc > 0);
- argc++;
- char** argv = new char*[argc + 1];
- argv[0] = xbt_strdup("java");
+ // Need a static storage because the XBT layer saves the arguments in xbt::binary_name and xbt::cmdline.
+ static std::vector<std::string> args;
+ args.reserve(argc);
- for (int index = 0; index < argc - 1; index++) {
- jstring jval = (jstring)env->GetObjectArrayElement(jargs, index);
+ args.emplace_back("java");
+ for (int index = 1; index < argc; index++) {
+ jstring jval = (jstring)env->GetObjectArrayElement(jargs, index - 1);
const char* tmp = env->GetStringUTFChars(jval, 0);
- argv[index + 1] = xbt_strdup(tmp);
+ args.emplace_back(tmp);
env->ReleaseStringUTFChars(jval, tmp);
}
+
+ std::unique_ptr<char* []> argv(new char*[argc + 1]);
+ std::transform(begin(args), end(args), argv.get(), [](std::string& s) { return &s.front(); });
argv[argc] = nullptr;
- MSG_init(&argc, argv);
- sg_vm_live_migration_plugin_init();
+ int argc2 = argc;
+ MSG_init(&argc2, argv.get());
+ xbt_assert(argc2 <= argc);
- JAVA_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr);
+ for (int index = 1; index < argc2; index++)
+ env->SetObjectArrayElement(jargs, index - 1, (jstring)env->NewStringUTF(argv[index]));
- 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;
+ sg_vm_live_migration_plugin_init();
+ JAVA_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr);
}
-JNIEXPORT void JNICALL JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass cls)
+JNIEXPORT void JNICALL JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv* env, jclass)
{
/* Run everything */
XBT_DEBUG("Ready to run MSG_MAIN");
/* 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);
+ auto const* 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);
for (auto const& elm : java_storage_map)
jstorage_unref(env, elm.second);
- /* FIXME: don't be of such an EXTREM BRUTALITY to stop the jvm. Sorry I don't get it working otherwise.
- * See the comment in ActorImpl.cpp::SIMIX_process_kill() */
- exit(0);
+ /* Display the status of remaining threads. None should survive, but who knows */
+ jclass clsProcess = jxbt_get_class(env, "org/simgrid/msg/Process");
+ jmethodID idDebug = jxbt_get_static_jmethod(env, clsProcess, "debugAllThreads", "()V");
+ xbt_assert(idDebug != nullptr, "Method Process.debugAllThreads() not found...");
+ env->CallStaticVoidMethod(clsProcess, idDebug);
}
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls, jstring jplatformFile)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv* env, jclass, jstring jplatformFile)
{
const char *platformFile = env->GetStringUTFChars(jplatformFile, 0);
env->ReleaseStringUTFChars(jplatformFile, platformFile);
}
-JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Msg_environmentGetRoutingRoot(JNIEnv * env, jclass cls)
+JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Msg_environmentGetRoutingRoot(JNIEnv* env, jclass)
{
msg_netzone_t as = MSG_zone_get_root();
jobject jas = jnetzone_new_instance(env);
return (jobject) jas;
}
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_debug(JNIEnv * env, jclass cls, jstring js)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_debug(JNIEnv* env, jclass, 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)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_verb(JNIEnv* env, jclass, 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)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_info(JNIEnv* env, jclass, 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)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_warn(JNIEnv* env, jclass, 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)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_error(JNIEnv* env, jclass, 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)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_critical(JNIEnv* env, jclass, 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[]);
+static void java_main(int argc, char* argv[]);
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls, jstring jdeploymentFile)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_deployApplication(JNIEnv* env, jclass, jstring jdeploymentFile)
{
const char *deploymentFile = env->GetStringUTFChars(jdeploymentFile, 0);
- SIMIX_function_register_default(java_main);
+ simgrid_register_default(java_main);
MSG_launch_application(deploymentFile);
}
xbt_assert((id != nullptr), "Method Process.run() not found...");
env->CallVoidMethod(jprocess, id);
+ if (env->ExceptionOccurred()) {
+ XBT_DEBUG("Something went wrong in this Java actor, forget about it.");
+ env->ExceptionClear();
+ XBT_ATTRIB_UNUSED jint error = __java_vm->DetachCurrentThread();
+ xbt_assert(error == JNI_OK, "Cannot detach failing thread");
+ simgrid::ForcefulKillException::do_throw();
+ }
}
/** Create a Java org.simgrid.msg.Process with the arguments and run it */
-static int java_main(int argc, char *argv[])
+static void 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());
+ simgrid::kernel::context::JavaContext* context =
+ static_cast<simgrid::kernel::context::JavaContext*>(simgrid::kernel::context::Context::self());
//Change the "." in class name for "/".
std::string arg0 = argv[0];
xbt_assert((jprocess != nullptr), "Process allocation failed.");
jprocess = env->NewGlobalRef(jprocess);
//bind the process to the context
- msg_process_t process = MSG_process_self();
+ const_sg_actor_t process = MSG_process_self();
context->jprocess_ = jprocess;
/* sets the PID and the PPID of the process */
jprocess_bind(jprocess, process, env);
run_jprocess(env, context->jprocess_);
- return 0;
}
namespace simgrid {
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());
+ simgrid::kernel::context::JavaContext* context =
+ static_cast<simgrid::kernel::context::JavaContext*>(simgrid::kernel::context::Context::self());
context->jprocess_ = jprocess;
jprocess_bind(context->jprocess_, MSG_process_self(), env);
