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. */
13 #include "jmsg_host.h"
14 #include "jmsg_process.h"
15 #include "jxbt_utilities.h"
16 #include "simgrid/msg.h"
17 #include <surf/surf_routing.h>
19 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
21 static jfieldID jvm_field_bind;
23 void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm)
25 env->SetLongField(jvm, jvm_field_bind, (intptr_t)vm);
28 msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm)
30 return (msg_vm_t)(intptr_t)env->GetLongField(jvm, jvm_field_bind);
33 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeInit(JNIEnv *env, jclass cls)
35 jclass jprocess_class_VM = env->FindClass("org/simgrid/msg/VM");
36 jvm_field_bind = jxbt_get_jfield(env, jprocess_class_VM, "bind", "J");
37 if (!jvm_field_bind ) {
38 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
42 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm)
44 msg_vm_t vm = jvm_get_native(env,jvm);
45 return (jint) MSG_vm_is_created(vm);
48 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm)
50 msg_vm_t vm = jvm_get_native(env,jvm);
51 return (jint) MSG_vm_is_running(vm);
54 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm)
56 msg_vm_t vm = jvm_get_native(env,jvm);
57 return (jint) MSG_vm_is_migrating(vm);
60 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm)
62 msg_vm_t vm = jvm_get_native(env,jvm);
63 return (jint) MSG_vm_is_suspended(vm);
66 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSaving(JNIEnv * env, jobject jvm)
68 msg_vm_t vm = jvm_get_native(env,jvm);
69 return (jint) MSG_vm_is_saving(vm);
72 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isSaved(JNIEnv * env, jobject jvm)
74 msg_vm_t vm = jvm_get_native(env,jvm);
75 return (jint) MSG_vm_is_saved(vm);
78 JNIEXPORT jint JNICALL Java_org_simgrid_msg_VM_isRestoring(JNIEnv * env, jobject jvm)
80 msg_vm_t vm = jvm_get_native(env,jvm);
81 return (jint) MSG_vm_is_restoring(vm);
84 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jdouble bound)
86 msg_vm_t vm = jvm_get_native(env,jvm);
87 MSG_vm_set_bound(vm, bound);
90 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_create(JNIEnv *env, jobject jvm, jobject jhost, jstring jname,
91 jint jncore, jint jramsize, jint jnetcap, jstring jdiskpath,
92 jint jdisksize, jint jmig_netspeed, jint jdp_intensity)
94 msg_host_t host = jhost_get_native(env, jhost);
97 name = env->GetStringUTFChars(jname, 0);
98 name = xbt_strdup(name);
100 // TODO disk concerns are not taken into account yet
101 // const char *diskpath;
102 // disk_path = (*env)->GetStringUTFChars(env, jdiskpath, 0);
103 // disk_path = xbt_strdup(disk_path);
105 msg_vm_t vm = MSG_vm_create(host, name, (int) jncore, (int) jramsize, (int) jnetcap, nullptr, (int) jdisksize,
106 (int) jmig_netspeed, (int) jdp_intensity);
108 jvm_bind(env,jvm,vm);
111 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm)
113 msg_vm_t vm = jvm_get_native(env,jvm);
117 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm)
119 msg_vm_t vm = jvm_get_native(env,jvm);
123 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm)
125 msg_vm_t vm = jvm_get_native(env,jvm);
129 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost)
131 msg_vm_t vm = jvm_get_native(env,jvm);
132 msg_host_t host = jhost_get_native(env, jhost);
134 MSG_vm_migrate(vm,host);
137 XBT_VERB("CATCH EXCEPTION MIGRATION %s",e.what());
138 jxbt_throw_host_failure(env, (char*)"during migration");
142 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm)
144 msg_vm_t vm = jvm_get_native(env,jvm);
148 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm)
150 msg_vm_t vm = jvm_get_native(env,jvm);
154 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_save(JNIEnv *env, jobject jvm)
156 msg_vm_t vm = jvm_get_native(env,jvm);
160 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_restore(JNIEnv *env, jobject jvm)
162 msg_vm_t vm = jvm_get_native(env,jvm);