X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9ba3bfdef0f13d77474c16059ca813b75ade43ab..15311a88748c43e1cce725bbfca20ea95e9debea:/src/bindings/java/jmsg.cpp diff --git a/src/bindings/java/jmsg.cpp b/src/bindings/java/jmsg.cpp index 1b700b7a52..053f6ce802 100644 --- a/src/bindings/java/jmsg.cpp +++ b/src/bindings/java/jmsg.cpp @@ -1,30 +1,36 @@ /* Java Wrappers to the MSG API. */ -/* Copyright (c) 2007-2015. 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. */ -#include -#include -#include -#include -#include +#include +#include +#include -#include "jmsg_process.h" +#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/simix.h" + +#include "simgrid/s4u/Host.hpp" -#include "jmsg_as.h" +#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.h" - -#include "jmsg.h" +#include "jxbt_utilities.hpp" #include "JavaContext.hpp" + /* Shut up some errors in eclipse online compiler. I wish such a pimple wouldn't be needed */ #ifndef JNIEXPORT #define JNIEXPORT @@ -34,82 +40,54 @@ #endif /* end of eclipse-mandated pimple */ -SG_BEGIN_DECL() - -int JAVA_HOST_LEVEL; -int JAVA_STORAGE_LEVEL; +int JAVA_HOST_LEVEL = -1; -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg); +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java); -JavaVM *__java_vm = NULL; +JavaVM *__java_vm = nullptr; -JavaVM *get_java_VM(void) +JNIEnv *get_current_thread_env() { - return __java_vm; -} - -JNIEnv *get_current_thread_env(void) -{ - JNIEnv *env; - - __java_vm->AttachCurrentThread((void **) &env, NULL); - return env; + using simgrid::kernel::context::JavaContext; + JavaContext* ctx = static_cast(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,NULL); - break; + jxbt_throw_time_out_failure(env, ""); + break; case MSG_TRANSFER_FAILURE: - jxbt_throw_transfer_failure(env,NULL); - break; + jxbt_throw_transfer_failure(env, ""); + break; case MSG_HOST_FAILURE: - jxbt_throw_host_failure(env,NULL); - break; + jxbt_throw_host_failure(env, ""); + break; case MSG_TASK_CANCELED: - jxbt_throw_task_cancelled(env,NULL); - break; + jxbt_throw_task_cancelled(env, ""); + break; default: - jxbt_throw_native(env,xbt_strdup("undefined message failed " - "(please see jmsg_throw_status function in jmsg.cpp)")); + 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) +JNIEXPORT jdouble JNICALL Java_org_simgrid_msg_Msg_getClock(JNIEnv * env, jclass cls) { return (jdouble) MSG_get_clock(); } -static void __JAVA_host_priv_free(void *host) +JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) { -} - -static void __JAVA_storage_priv_free(void *storage) -{ -} - -JNIEXPORT void JNICALL -Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) -{ - char **argv = NULL; - int index; int argc = 0; - jstring jval; - const char *tmp; - - XBT_LOG_CONNECT(jmsg); - XBT_LOG_CONNECT(jtrace); env->GetJavaVM(&__java_vm); - simgrid::simix::factory_initializer = simgrid::java::java_factory; + simgrid::kernel::context::factory_initializer = &simgrid::kernel::context::java_factory; jthrowable exc = env->ExceptionOccurred(); if (exc) { env->ExceptionClear(); @@ -118,33 +96,34 @@ Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) setlocale(LC_NUMERIC,"C"); if (jargs) - argc = (int) env->GetArrayLength(jargs); + argc = static_cast(env->GetArrayLength(jargs)); argc++; - argv = xbt_new(char *, argc + 1); + char** argv = new char*[argc + 1]; argv[0] = xbt_strdup("java"); - for (index = 0; index < argc - 1; index++) { - jval = (jstring) env->GetObjectArrayElement(jargs, index); - tmp = env->GetStringUTFChars(jval, 0); + 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] = NULL; + argv[argc] = nullptr; MSG_init(&argc, argv); + sg_vm_live_migration_plugin_init(); - JAVA_HOST_LEVEL = simgrid::Host::extension_create(__JAVA_host_priv_free); - JAVA_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, __JAVA_storage_priv_free); + JAVA_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr); - for (index = 0; index < argc; index++) + for (int index = 0; index < argc - 1; index++) { + env->SetObjectArrayElement(jargs, index, (jstring)env->NewStringUTF(argv[index + 1])); free(argv[index]); - - free(argv); + } + free(argv[argc]); + delete[] argv; } -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 cls) { /* Run everything */ XBT_DEBUG("Ready to run MSG_MAIN"); @@ -166,87 +145,73 @@ JNIEXPORT void JNICALL xbt_dynar_free(&hosts); /* Cleanup java storages */ - xbt_dynar_t storages = MSG_storages_as_dynar(); - if(!xbt_dynar_is_empty(storages)){ - for (unsigned long index = 0; index < xbt_dynar_length(storages) - 1; index++) { - jobject jstorage = (jobject) xbt_lib_get_level(xbt_dynar_get_as(storages,index,msg_storage_t), JAVA_STORAGE_LEVEL); - if (jstorage) - jstorage_unref(env, jstorage); - } - } - xbt_dynar_free(&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) +JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls, jstring jplatformFile) { - - const char *platformFile = - env->GetStringUTFChars(jplatformFile, 0); + 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) +JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Msg_environmentGetRoutingRoot(JNIEnv * env, jclass cls) { - msg_as_t as = MSG_environment_get_routing_root(); - jobject jas = jas_new_instance(env); - if (!jas) { + 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 NULL; + return nullptr; } - jas = jas_ref(env, jas); - if (!jas) { + jas = jnetzone_ref(env, jas); + if (not jas) { jxbt_throw_jni(env, "new global ref allocation failed"); - return NULL; + return nullptr; } - jas_bind(jas, as, env); + jnetzone_bind(jas, as, 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 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) + +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) + +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) + +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) + +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) + +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); @@ -256,18 +221,22 @@ Java_org_simgrid_msg_Msg_critical(JNIEnv * env, jclass cls, jstring js) static int java_main(int argc, char *argv[]); JNIEXPORT void JNICALL -Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls, - jstring jdeploymentFile) +Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls, jstring jdeploymentFile) { - - const char *deploymentFile = - env->GetStringUTFChars(jdeploymentFile, 0); + const char *deploymentFile = env->GetStringUTFChars(jdeploymentFile, 0); SIMIX_function_register_default(java_main); MSG_launch_application(deploymentFile); } -SG_END_DECL() +JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_energyInit() { + sg_host_energy_plugin_init(); +} + +JNIEXPORT void JNICALL Java_org_simgrid_msg_Msg_fileSystemInit() +{ + sg_storage_file_system_init(); +} /** Run a Java org.simgrid.msg.Process * @@ -276,16 +245,14 @@ SG_END_DECL() */ static void run_jprocess(JNIEnv *env, jobject jprocess) { - xbt_assert(jprocess != nullptr, "Process not created..."); - //wait for the process to be able to begin - //TODO: Cache it + // 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 not found..."); + xbt_assert((id != nullptr), "Method run() not found..."); env->CallVoidMethod(jprocess, id); } @@ -293,69 +260,56 @@ static void run_jprocess(JNIEnv *env, jobject jprocess) static int java_main(int argc, char *argv[]) { JNIEnv *env = get_current_thread_env(); - simgrid::java::JavaContext* context = - (simgrid::java::JavaContext*) SIMIX_context_self(); + simgrid::kernel::context::JavaContext* context = static_cast(SIMIX_context_self()); //Change the "." in class name for "/". - xbt_str_subst(argv[0],'.','/',0); - jclass class_Process = env->FindClass(argv[0]); - xbt_str_subst(argv[0],'/','.',0); + 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 != NULL), "Class not found (%s). The deployment file must use the fully qualified class name, including the package. The case is important.", argv[0]); + 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, "", "(Lorg/simgrid/msg/Host;Ljava/lang/String;[Ljava/lang/String;)V"); - xbt_assert((constructor_Process != NULL), "Constructor not found for class %s. Is there a (Host, String ,String[]) constructor in your class ?", argv[0]); + 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 = (jobjectArray)env->NewObjectArray(argc - 1, - env->FindClass("java/lang/String"), - env->NewStringUTF("")); - int i; - for (i = 1; i < argc; i++) - env->SetObjectArrayElement(args,i - 1, - env->NewStringUTF(argv[i])); + jobjectArray args = static_cast(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_get_name(MSG_host_self())); - jobject jhost = Java_org_simgrid_msg_Host_getByName(env, NULL, jhostName); + 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); - xbt_assert((jprocess != NULL), "Process allocation failed."); + 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; + context->jprocess_ = jprocess; /* sets the PID and the PPID of the process */ - env->SetIntField(jprocess, jprocess_field_Process_pid,(jint) MSG_process_get_PID(process)); - env->SetIntField(jprocess, jprocess_field_Process_ppid, (jint) MSG_process_get_PPID(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; } namespace simgrid { -namespace java { +namespace kernel { +namespace context { /** Run the Java org.simgrid.msg.Process */ void java_main_jprocess(jobject jprocess) { JNIEnv *env = get_current_thread_env(); - simgrid::java::JavaContext* context = - (simgrid::java::JavaContext*) SIMIX_context_self(); - context->jprocess = jprocess; - smx_process_t process = SIMIX_process_self(); - jprocess_bind(context->jprocess, process, env); - - // Adrien, ugly path, just to bypass creation of context at low levels - // (i.e such as for the VM migration for instance) - if (context->jprocess == nullptr) - return; - else - run_jprocess(env, context->jprocess); -} + simgrid::kernel::context::JavaContext* context = static_cast(SIMIX_context_self()); + context->jprocess_ = jprocess; + jprocess_bind(context->jprocess_, MSG_process_self(), env); + run_jprocess(env, context->jprocess_); } -} - +}}}