1 /* Functions related to the Virtual Machines. */
3 /* Copyright (c) 2012-2017. The SimGrid Team. All rights reserved. */
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. */
10 #include "jxbt_utilities.h"
13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
17 static jfieldID jvm_field_bind;
19 void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm)
21 env->SetLongField(jvm, jvm_field_bind, (intptr_t)vm);
24 msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm)
26 return (msg_vm_t)(intptr_t)env->GetLongField(jvm, jvm_field_bind);
29 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls)
31 jclass jprocess_class_VM = env->FindClass("org/simgrid/msg/VM");
32 jvm_field_bind = jxbt_get_jfield(env, jprocess_class_VM, "bind", "J");
33 xbt_assert(jvm_field_bind, "Native initialization of msg/VM failed. Please report that bug");
36 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm)
38 msg_vm_t vm = jvm_get_native(env,jvm);
39 return (jint) MSG_vm_is_created(vm);
42 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm)
44 msg_vm_t vm = jvm_get_native(env,jvm);
45 return (jint) MSG_vm_is_running(vm);
48 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm)
50 msg_vm_t vm = jvm_get_native(env,jvm);
51 return (jint) MSG_vm_is_migrating(vm);
54 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm)
56 msg_vm_t vm = jvm_get_native(env,jvm);
57 return (jint) MSG_vm_is_suspended(vm);
60 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jdouble bound)
62 msg_vm_t vm = jvm_get_native(env,jvm);
63 MSG_vm_set_bound(vm, bound);
66 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_create(JNIEnv* env, jobject jvm, jobject jhost, jstring jname,
67 jint jramsize, jint jmig_netspeed, jint jdp_intensity)
69 msg_host_t host = jhost_get_native(env, jhost);
71 const char* name = env->GetStringUTFChars(jname, 0);
72 name = xbt_strdup(name);
74 msg_vm_t vm = MSG_vm_create(host, name, static_cast<int>(jramsize), static_cast<int>(jmig_netspeed),
75 static_cast<int>(jdp_intensity));
77 jvm_bind(env, jvm, vm);
80 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm)
82 msg_vm_t vm = jvm_get_native(env,jvm);
86 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm)
88 msg_vm_t vm = jvm_get_native(env,jvm);
92 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm)
94 msg_vm_t vm = jvm_get_native(env,jvm);
98 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost)
100 msg_vm_t vm = jvm_get_native(env,jvm);
101 msg_host_t host = jhost_get_native(env, jhost);
103 MSG_vm_migrate(vm,host);
106 XBT_VERB("CATCH EXCEPTION MIGRATION %s",e.what());
107 jxbt_throw_host_failure(env, (char*)"during migration");
111 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm)
113 msg_vm_t vm = jvm_get_native(env,jvm);
117 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm)
119 msg_vm_t vm = jvm_get_native(env,jvm);