X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2e9105988280d1e88b5b496d6e2eed4c8d541883..d13b1659a0c2551ee41b287a269e391bb2d7bc8a:/src/bindings/java/jmsg_vm.c diff --git a/src/bindings/java/jmsg_vm.c b/src/bindings/java/jmsg_vm.c index 7e98a81d1e..9338bdc1a3 100644 --- a/src/bindings/java/jmsg_vm.c +++ b/src/bindings/java/jmsg_vm.c @@ -1,22 +1,26 @@ /* Functions related to the MSG VM API. */ -/* Copyright (c) 2012. The SimGrid Team. */ +/* Copyright (c) 2012-2014. 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. */ + * under the terms of the license (GNU LGPL) which comes with this package. */ + +#include "jmsg.h" #include "jmsg_vm.h" #include "jmsg_host.h" #include "jmsg_process.h" #include "jxbt_utilities.h" -#include "msg/msg.h" +#include "simgrid/msg.h" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg); +static jfieldID jvm_field_bind; + void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm) { - (*env)->SetLongField(env, jvm, jvm_field_bind, (jlong) (long) (vm)); + (*env)->SetLongField(env, jvm, jvm_field_bind, (intptr_t)vm); } msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm) { - msg_vm_t vm = (msg_vm_t)(*env)->GetLongField(env, jvm, jvm_field_bind); - return vm; + return (msg_vm_t)(intptr_t)(*env)->GetLongField(env, jvm, jvm_field_bind); } JNIEXPORT void JNICALL @@ -27,100 +31,168 @@ Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls) { jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug.")); } } + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_created(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_running(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_migrating(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_suspended(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isSaving(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_saving(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isSaved(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_saved(vm); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_VM_isRestoring(JNIEnv * env, jobject jvm) { + msg_vm_t vm = jvm_get_native(env,jvm); + return (jint) MSG_vm_is_restoring(vm); +} + JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm, jobject jhost, jstring jname, jint jcoreamount) { +Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jint load) { + + msg_vm_t vm = jvm_get_native(env,jvm); + double bound = MSG_get_host_speed(vm) * load / 100; + MSG_vm_set_bound(vm, bound); +} + +JNIEXPORT void JNICALL +Java_org_simgrid_msg_VM_create(JNIEnv *env, jobject jvm, jobject jhost, jstring jname, + jint jncore, jint jramsize, jint jnetcap, jstring jdiskpath, jint jdisksize, jint jmig_netspeed, jint jdp_intensity) { + msg_host_t host = jhost_get_native(env, jhost); const char *name; name = (*env)->GetStringUTFChars(env, jname, 0); name = xbt_strdup(name); - - msg_vm_t vm = MSG_vm_start(host, name, (int)jcoreamount); + + // TODO disk concerns are not taken into account yet + // const char *diskpath; + // disk_path = (*env)->GetStringUTFChars(env, jdiskpath, 0); + // disk_path = xbt_strdup(disk_path); + + msg_vm_t vm = MSG_vm_create(host, name, (int) jncore, (int) jramsize, + (int) jnetcap, NULL, (int) jdisksize, (int) jmig_netspeed, (int) jdp_intensity); jvm_bind(env,jvm,vm); } + JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_destroy(JNIEnv *env, jobject jvm) { +Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); MSG_vm_destroy(vm); } -JNIEXPORT jboolean JNICALL -Java_org_simgrid_msg_VM_isSuspended(JNIEnv *env, jobject jvm) { - msg_vm_t vm = jvm_get_native(env,jvm); - - return MSG_vm_is_suspended(vm) ? JNI_TRUE : JNI_FALSE; -} -JNIEXPORT jboolean JNICALL -Java_org_simgrid_msg_VM_isRunning(JNIEnv *env, jobject jvm) { - msg_vm_t vm = jvm_get_native(env,jvm); - return MSG_vm_is_running(vm) ? JNI_TRUE : JNI_FALSE; -} JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_bind(JNIEnv *env, jobject jvm, jobject jprocess) { +Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - msg_process_t process = jprocess_to_native_process(jprocess,env); - - xbt_assert((vm != NULL), "VM object is not binded"); - xbt_assert((process != NULL), "Process object is not binded."); - - MSG_vm_bind(vm,process); + MSG_vm_start(vm); } + JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_unbind(JNIEnv *env, jobject jvm, jobject jprocess) { +Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - msg_process_t process = jprocess_to_native_process(jprocess,env); - - MSG_vm_unbind(vm,process); + MSG_vm_shutdown(vm); } + JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_migrate(JNIEnv *env, jobject jvm, jobject jhost) { +Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost) { msg_vm_t vm = jvm_get_native(env,jvm); msg_host_t host = jhost_get_native(env, jhost); - + xbt_ex_t e; + TRY{ MSG_vm_migrate(vm,host); + } CATCH(e){ + XBT_INFO("CATCH EXCEPTION MIGRATION %s",e.msg); + xbt_ex_free(e); + jxbt_throw_host_failure(env, (char*)"during migration"); + } } + JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - xbt_ex_t e; - TRY { - MSG_vm_suspend(vm); - } - CATCH(e) { - xbt_ex_free(e); - } + MSG_vm_suspend(vm); } JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - xbt_ex_t e; - TRY { - MSG_vm_resume(vm); - } - CATCH(e) { - xbt_ex_free(e); - } + MSG_vm_resume(vm); } + JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) { +Java_org_simgrid_msg_VM_save(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - xbt_ex_t e; - TRY { - MSG_vm_shutdown(vm); - } - CATCH(e) { - xbt_ex_free(e); - } + MSG_vm_save(vm); } JNIEXPORT void JNICALL -Java_org_simgrid_msg_VM_reboot(JNIEnv *env, jobject jvm) { +Java_org_simgrid_msg_VM_restore(JNIEnv *env, jobject jvm) { msg_vm_t vm = jvm_get_native(env,jvm); - xbt_ex_t e; - TRY { - MSG_vm_reboot(vm); - } - CATCH(e) { - xbt_ex_free(e); + MSG_vm_restore(vm); +} + + + +JNIEXPORT jobject JNICALL +Java_org_simgrid_msg_VM_get_pm(JNIEnv *env, jobject jvm) { + jobject jhost; + msg_vm_t vm = jvm_get_native(env,jvm); + msg_host_t host = MSG_vm_get_pm(vm); + + if (!xbt_lib_get_level(host, 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) { + jxbt_throw_jni(env, "java host instantiation failed"); + return NULL; + } + + /* get a global reference to the newly created host */ + jhost = jhost_ref(env, jhost); + + if (!jhost) { + jxbt_throw_jni(env, "global ref allocation failed"); + return NULL; + } + /* Sets the host name */ + const char *name = MSG_host_get_name(host); + jobject jname = (*env)->NewStringUTF(env,name); + (*env)->SetObjectField(env, jhost, jxbt_get_jfield(env, (*env)->FindClass(env, "org/simgrid/msg/Host"), "name", "Ljava/lang/String;"), jname); + /* Bind & store it */ + jhost_bind(jhost, host, env); + xbt_lib_set(host_lib, host->key, JAVA_HOST_LEVEL, (void *) jhost); + } else { + jhost = (jobject) xbt_lib_get_level(host, JAVA_HOST_LEVEL); } + + return jhost; }