1 /* Functions related to the MSG VM API. */
3 /* Copyright (c) 2012-2015. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "jmsg_host.h"
12 #include "jmsg_process.h"
13 #include "jxbt_utilities.h"
14 #include "simgrid/msg.h"
15 #include <surf/surf_routing.h>
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
19 static jfieldID jvm_field_bind;
21 void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm) {
22 env->SetLongField(jvm, jvm_field_bind, (intptr_t)vm);
24 msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm) {
25 return (msg_vm_t)(intptr_t)env->GetLongField(jvm, jvm_field_bind);
28 JNIEXPORT void JNICALL
29 Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls) {
30 jclass jprocess_class_VM = env->FindClass("org/simgrid/msg/VM");
31 jvm_field_bind = jxbt_get_jfield(env, jprocess_class_VM, "bind", "J");
32 if (!jvm_field_bind ) {
33 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
37 JNIEXPORT jint JNICALL
38 Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm) {
39 msg_vm_t vm = jvm_get_native(env,jvm);
40 return (jint) MSG_vm_is_created(vm);
43 JNIEXPORT jint JNICALL
44 Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm) {
45 msg_vm_t vm = jvm_get_native(env,jvm);
46 return (jint) MSG_vm_is_running(vm);
49 JNIEXPORT jint JNICALL
50 Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm) {
51 msg_vm_t vm = jvm_get_native(env,jvm);
52 return (jint) MSG_vm_is_migrating(vm);
55 JNIEXPORT jint JNICALL
56 Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm) {
57 msg_vm_t vm = jvm_get_native(env,jvm);
58 return (jint) MSG_vm_is_suspended(vm);
61 JNIEXPORT jint JNICALL
62 Java_org_simgrid_msg_VM_isSaving(JNIEnv * env, jobject jvm) {
63 msg_vm_t vm = jvm_get_native(env,jvm);
64 return (jint) MSG_vm_is_saving(vm);
67 JNIEXPORT jint JNICALL
68 Java_org_simgrid_msg_VM_isSaved(JNIEnv * env, jobject jvm) {
69 msg_vm_t vm = jvm_get_native(env,jvm);
70 return (jint) MSG_vm_is_saved(vm);
73 JNIEXPORT jint JNICALL
74 Java_org_simgrid_msg_VM_isRestoring(JNIEnv * env, jobject jvm) {
75 msg_vm_t vm = jvm_get_native(env,jvm);
76 return (jint) MSG_vm_is_restoring(vm);
79 JNIEXPORT void JNICALL
80 Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jdouble bound) {
82 msg_vm_t vm = jvm_get_native(env,jvm);
83 MSG_vm_set_bound(vm, bound);
86 JNIEXPORT void JNICALL
87 Java_org_simgrid_msg_VM_create(JNIEnv *env, jobject jvm, jobject jhost, jstring jname,
88 jint jncore, jint jramsize, jint jnetcap, jstring jdiskpath, jint jdisksize, jint jmig_netspeed, jint jdp_intensity) {
90 msg_host_t host = jhost_get_native(env, jhost);
93 name = env->GetStringUTFChars(jname, 0);
94 name = xbt_strdup(name);
96 // TODO disk concerns are not taken into account yet
97 // const char *diskpath;
98 // disk_path = (*env)->GetStringUTFChars(env, jdiskpath, 0);
99 // disk_path = xbt_strdup(disk_path);
101 msg_vm_t vm = MSG_vm_create(host, name, (int) jncore, (int) jramsize,
102 (int) jnetcap, NULL, (int) jdisksize, (int) jmig_netspeed, (int) jdp_intensity);
104 jvm_bind(env,jvm,vm);
107 JNIEXPORT void JNICALL
108 Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm) {
109 msg_vm_t vm = jvm_get_native(env,jvm);
113 JNIEXPORT void JNICALL
114 Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm) {
115 msg_vm_t vm = jvm_get_native(env,jvm);
119 JNIEXPORT void JNICALL
120 Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) {
121 msg_vm_t vm = jvm_get_native(env,jvm);
125 JNIEXPORT void JNICALL
126 Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost) {
127 msg_vm_t vm = jvm_get_native(env,jvm);
128 msg_host_t host = jhost_get_native(env, jhost);
131 MSG_vm_migrate(vm,host);
133 XBT_VERB("CATCH EXCEPTION MIGRATION %s",e.msg);
135 jxbt_throw_host_failure(env, (char*)"during migration");
139 JNIEXPORT void JNICALL
140 Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm) {
141 msg_vm_t vm = jvm_get_native(env,jvm);
144 JNIEXPORT void JNICALL
145 Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm) {
146 msg_vm_t vm = jvm_get_native(env,jvm);
150 JNIEXPORT void JNICALL
151 Java_org_simgrid_msg_VM_save(JNIEnv *env, jobject jvm) {
152 msg_vm_t vm = jvm_get_native(env,jvm);
155 JNIEXPORT void JNICALL
156 Java_org_simgrid_msg_VM_restore(JNIEnv *env, jobject jvm) {
157 msg_vm_t vm = jvm_get_native(env,jvm);