X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3c4965d1ed8267a5693fc79f76b20c224a870ba1..7e42dd535dfc0d68de20fba4b9fc5e480b56c74b:/src/bindings/java/jmsg.cpp diff --git a/src/bindings/java/jmsg.cpp b/src/bindings/java/jmsg.cpp index 44f5f5fbcb..75b71f8740 100644 --- a/src/bindings/java/jmsg.cpp +++ b/src/bindings/java/jmsg.cpp @@ -1,6 +1,6 @@ /* Java Wrappers to the MSG API. */ -/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2018. 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. */ @@ -9,9 +9,12 @@ #include #include +#include "simgrid/Exception.hpp" #include "simgrid/msg.h" #include "simgrid/plugins/energy.h" #include "simgrid/plugins/file_system.h" +#include "simgrid/plugins/live_migration.h" +#include "simgrid/plugins/load.h" #include "simgrid/simix.h" #include "simgrid/s4u/Host.hpp" @@ -28,7 +31,6 @@ #include "JavaContext.hpp" -#include /* Shut up some errors in eclipse online compiler. I wish such a pimple wouldn't be needed */ #ifndef JNIEXPORT @@ -39,24 +41,17 @@ #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(xbt_os_thread_get_extra_data()); - return ctx->jenv; + JavaContext* ctx = static_cast(simgrid::kernel::context::Context::self()); + return ctx->jenv_; } void jmsg_throw_status(JNIEnv *env, msg_error_t status) { @@ -91,9 +86,6 @@ JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, j { 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; @@ -120,6 +112,7 @@ JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, j argv[argc] = nullptr; MSG_init(&argc, argv); + sg_vm_live_migration_plugin_init(); JAVA_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr); @@ -140,7 +133,7 @@ JNIEXPORT void JNICALL JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass 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..."); + XBT_INFO("MSG_main finished; Terminating 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++) { @@ -148,13 +141,16 @@ JNIEXPORT void JNICALL JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass 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); + + /* 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); } JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls, jstring jplatformFile) @@ -245,8 +241,10 @@ JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_fileSystemInit() { sg_storage_file_system_init(); } -} // extern "C" +JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_loadInit() { + sg_host_load_plugin_init(); +} /** Run a Java org.simgrid.msg.Process * * If needed, this waits for the process starting time. @@ -259,9 +257,11 @@ static void run_jprocess(JNIEnv *env, jobject jprocess) 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..."); + xbt_assert((id != nullptr), "Method Process.run() not found..."); + env->CallVoidMethod(jprocess, id); } @@ -269,7 +269,8 @@ static void run_jprocess(JNIEnv *env, jobject jprocess) static int java_main(int argc, char *argv[]) { JNIEnv *env = get_current_thread_env(); - simgrid::kernel::context::JavaContext* context = static_cast(SIMIX_context_self()); + simgrid::kernel::context::JavaContext* context = + static_cast(simgrid::kernel::context::Context::self()); //Change the "." in class name for "/". std::string arg0 = argv[0]; @@ -288,7 +289,7 @@ static int java_main(int argc, char *argv[]) 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()); + jstring jhostName = env->NewStringUTF(MSG_host_self()->get_cname()); 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); @@ -297,13 +298,13 @@ static int java_main(int argc, char *argv[]) //bind the process to the context msg_process_t process = MSG_process_self(); - context->jprocess = jprocess; + context->jprocess_ = jprocess; /* sets the PID and the PPID of the process */ env->SetIntField(jprocess, jprocess_field_Process_pid, static_cast(MSG_process_get_PID(process))); env->SetIntField(jprocess, jprocess_field_Process_ppid, static_cast(MSG_process_get_PPID(process))); jprocess_bind(jprocess, process, env); - run_jprocess(env, context->jprocess); + run_jprocess(env, context->jprocess_); return 0; } @@ -315,10 +316,11 @@ namespace context { void java_main_jprocess(jobject jprocess) { JNIEnv *env = get_current_thread_env(); - simgrid::kernel::context::JavaContext* context = static_cast(SIMIX_context_self()); - context->jprocess = jprocess; - jprocess_bind(context->jprocess, MSG_process_self(), env); + simgrid::kernel::context::JavaContext* context = + static_cast(simgrid::kernel::context::Context::self()); + context->jprocess_ = jprocess; + jprocess_bind(context->jprocess_, MSG_process_self(), env); - run_jprocess(env, context->jprocess); + run_jprocess(env, context->jprocess_); } }}}