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 xbt_assert(jvm_field_bind, "Native initialization of msg/VM failed. Please report that 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 void JNICALL Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jdouble bound)
66 msg_vm_t vm = jvm_get_native(env,jvm);
67 MSG_vm_set_bound(vm, bound);
70 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_create(JNIEnv* env, jobject jvm, jobject jhost, jstring jname,
71 jint jramsize, jint jmig_netspeed, jint jdp_intensity)
73 msg_host_t host = jhost_get_native(env, jhost);
75 const char* name = env->GetStringUTFChars(jname, 0);
76 name = xbt_strdup(name);
78 msg_vm_t vm = MSG_vm_create(host, name, static_cast<int>(jramsize), static_cast<int>(jmig_netspeed),
79 static_cast<int>(jdp_intensity));
81 jvm_bind(env, jvm, vm);
84 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_nativeFinalize(JNIEnv *env, jobject jvm)
86 msg_vm_t vm = jvm_get_native(env,jvm);
90 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm)
92 msg_vm_t vm = jvm_get_native(env,jvm);
96 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm)
98 msg_vm_t vm = jvm_get_native(env,jvm);
102 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost)
104 msg_vm_t vm = jvm_get_native(env,jvm);
105 msg_host_t host = jhost_get_native(env, jhost);
107 MSG_vm_migrate(vm,host);
110 XBT_VERB("CATCH EXCEPTION MIGRATION %s",e.what());
111 jxbt_throw_host_failure(env, (char*)"during migration");
115 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm)
117 msg_vm_t vm = jvm_get_native(env,jvm);
121 JNIEXPORT void JNICALL Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm)
123 msg_vm_t vm = jvm_get_native(env,jvm);