1 /* Functions related to the MSG VM API. */
3 /* Copyright (c) 2012. The SimGrid Team. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "jmsg_process.h"
10 #include "jxbt_utilities.h"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
14 static jfieldID jvm_field_bind;
16 void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm) {
17 (*env)->SetLongField(env, jvm, jvm_field_bind, (intptr_t)vm);
19 msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm) {
20 return (msg_vm_t)(intptr_t)(*env)->GetLongField(env, jvm, jvm_field_bind);
23 JNIEXPORT void JNICALL
24 Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls) {
25 jclass jprocess_class_VM = (*env)->FindClass(env, "org/simgrid/msg/VM");
26 jvm_field_bind = jxbt_get_jfield(env, jprocess_class_VM, "bind", "J");
27 if (!jvm_field_bind ) {
28 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
31 JNIEXPORT void JNICALL
32 Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm, jobject jhost, jstring jname, jint jcoreamount) {
33 msg_host_t host = jhost_get_native(env, jhost);
36 name = (*env)->GetStringUTFChars(env, jname, 0);
37 name = xbt_strdup(name);
39 msg_vm_t vm = MSG_vm_start(host, name, (int)jcoreamount);
43 JNIEXPORT void JNICALL
44 Java_org_simgrid_msg_VM_destroy(JNIEnv *env, jobject jvm) {
45 msg_vm_t vm = jvm_get_native(env,jvm);
48 JNIEXPORT jboolean JNICALL
49 Java_org_simgrid_msg_VM_isSuspended(JNIEnv *env, jobject jvm) {
50 msg_vm_t vm = jvm_get_native(env,jvm);
52 return MSG_vm_is_suspended(vm) ? JNI_TRUE : JNI_FALSE;
54 JNIEXPORT jboolean JNICALL
55 Java_org_simgrid_msg_VM_isRunning(JNIEnv *env, jobject jvm) {
56 msg_vm_t vm = jvm_get_native(env,jvm);
58 return MSG_vm_is_running(vm) ? JNI_TRUE : JNI_FALSE;
60 JNIEXPORT void JNICALL
61 Java_org_simgrid_msg_VM_bind(JNIEnv *env, jobject jvm, jobject jprocess) {
62 msg_vm_t vm = jvm_get_native(env,jvm);
63 msg_process_t process = jprocess_to_native_process(jprocess,env);
65 xbt_assert((vm != NULL), "VM object is not bound");
66 xbt_assert((process != NULL), "Process object is not bound.");
68 MSG_vm_bind(vm,process);
70 JNIEXPORT void JNICALL
71 Java_org_simgrid_msg_VM_unbind(JNIEnv *env, jobject jvm, jobject jprocess) {
72 msg_vm_t vm = jvm_get_native(env,jvm);
73 msg_process_t process = jprocess_to_native_process(jprocess,env);
75 MSG_vm_unbind(vm,process);
77 JNIEXPORT void JNICALL
78 Java_org_simgrid_msg_VM_migrate(JNIEnv *env, jobject jvm, jobject jhost) {
79 msg_vm_t vm = jvm_get_native(env,jvm);
80 msg_host_t host = jhost_get_native(env, jhost);
82 MSG_vm_migrate(vm,host);
84 JNIEXPORT void JNICALL
85 Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm) {
86 msg_vm_t vm = jvm_get_native(env,jvm);
95 JNIEXPORT void JNICALL
96 Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm) {
97 msg_vm_t vm = jvm_get_native(env,jvm);
106 JNIEXPORT void JNICALL
107 Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) {
108 msg_vm_t vm = jvm_get_native(env,jvm);
117 JNIEXPORT void JNICALL
118 Java_org_simgrid_msg_VM_reboot(JNIEnv *env, jobject jvm) {
119 msg_vm_t vm = jvm_get_native(env,jvm);