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)
23 env->SetLongField(jvm, jvm_field_bind, (intptr_t)vm);
26 msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm)
28 return (msg_vm_t)(intptr_t)env->GetLongField(jvm, jvm_field_bind);
31 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls)
33 jclass jprocess_class_VM = env->FindClass("org/simgrid/msg/VM");
34 jvm_field_bind = jxbt_get_jfield(env, jprocess_class_VM, "bind", "J");
35 if (!jvm_field_bind ) {
36 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
40 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm)
42 msg_vm_t vm = jvm_get_native(env,jvm);
43 return (jint) MSG_vm_is_created(vm);
46 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm)
48 msg_vm_t vm = jvm_get_native(env,jvm);
49 return (jint) MSG_vm_is_running(vm);
52 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm)
54 msg_vm_t vm = jvm_get_native(env,jvm);
55 return (jint) MSG_vm_is_migrating(vm);
58 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm)
60 msg_vm_t vm = jvm_get_native(env,jvm);
61 return (jint) MSG_vm_is_suspended(vm);
64 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSaving(JNIEnv * env, jobject jvm)
66 msg_vm_t vm = jvm_get_native(env,jvm);
67 return (jint) MSG_vm_is_saving(vm);
70 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSaved(JNIEnv * env, jobject jvm)
72 msg_vm_t vm = jvm_get_native(env,jvm);
73 return (jint) MSG_vm_is_saved(vm);
76 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isRestoring(JNIEnv * env, jobject jvm)
78 msg_vm_t vm = jvm_get_native(env,jvm);
79 return (jint) MSG_vm_is_restoring(vm);
82 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jdouble bound)
84 msg_vm_t vm = jvm_get_native(env,jvm);
85 MSG_vm_set_bound(vm, bound);
88 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_create(JNIEnv *env, jobject jvm, jobject jhost, jstring jname,
89 jint jncore, jint jramsize, jint jnetcap, jstring jdiskpath,
90 jint jdisksize, jint jmig_netspeed, jint jdp_intensity)
92 msg_host_t host = jhost_get_native(env, jhost);
95 name = env->GetStringUTFChars(jname, 0);
96 name = xbt_strdup(name);
98 // TODO disk concerns are not taken into account yet
99 // const char *diskpath;
100 // disk_path = (*env)->GetStringUTFChars(env, jdiskpath, 0);
101 // disk_path = xbt_strdup(disk_path);
103 msg_vm_t vm = MSG_vm_create(host, name, (int) jncore, (int) jramsize, (int) jnetcap, nullptr, (int) jdisksize,
104 (int) jmig_netspeed, (int) jdp_intensity);
106 jvm_bind(env,jvm,vm);
109 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm)
111 msg_vm_t vm = jvm_get_native(env,jvm);
115 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm)
117 msg_vm_t vm = jvm_get_native(env,jvm);
121 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm)
123 msg_vm_t vm = jvm_get_native(env,jvm);
127 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost)
129 msg_vm_t vm = jvm_get_native(env,jvm);
130 msg_host_t host = jhost_get_native(env, jhost);
132 MSG_vm_migrate(vm,host);
135 XBT_VERB("CATCH EXCEPTION MIGRATION %s",e.what());
136 jxbt_throw_host_failure(env, (char*)"during migration");
140 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm)
142 msg_vm_t vm = jvm_get_native(env,jvm);
146 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm)
148 msg_vm_t vm = jvm_get_native(env,jvm);
152 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_save(JNIEnv *env, jobject jvm)
154 msg_vm_t vm = jvm_get_native(env,jvm);
158 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_restore(JNIEnv *env, jobject jvm)
160 msg_vm_t vm = jvm_get_native(env,jvm);