/* Functions related to the MSG VM API. */
-/* Copyright (c) 2012. The SimGrid Team. */
+/* Copyright (c) 2012-2014. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "jmsg.h"
#include "jmsg_vm.h"
#include "jmsg_host.h"
#include "jmsg_process.h"
#include "msg/msg.h"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
+static jfieldID jvm_field_bind;
+
void jvm_bind(JNIEnv *env, jobject jvm, msg_vm_t vm) {
- (*env)->SetLongField(env, jvm, jvm_field_bind, (jlong) (long) (vm));
+ (*env)->SetLongField(env, jvm, jvm_field_bind, (intptr_t)vm);
}
msg_vm_t jvm_get_native(JNIEnv *env, jobject jvm) {
- msg_vm_t vm = (msg_vm_t)(*env)->GetLongField(env, jvm, jvm_field_bind);
- return vm;
+ return (msg_vm_t)(intptr_t)(*env)->GetLongField(env, jvm, jvm_field_bind);
}
JNIEXPORT void JNICALL
jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
}
}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isCreated(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_created(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isRunning(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_running(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isMigrating(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_migrating(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isSuspended(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_suspended(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isSaving(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_saving(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isSaved(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_saved(vm);
+}
+
+JNIEXPORT jint JNICALL
+Java_org_simgrid_msg_VM_isRestoring(JNIEnv * env, jobject jvm) {
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ return (jint) MSG_vm_is_restoring(vm);
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_VM_setBound(JNIEnv *env, jobject jvm, jint load) {
+
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ double bound = MSG_get_host_speed(vm) * load / 100;
+ MSG_vm_set_bound(vm, bound);
+}
+
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm, jobject jhost, jstring jname, jint jcoreamount) {
+Java_org_simgrid_msg_VM_create(JNIEnv *env, jobject jvm, jobject jhost, jstring jname,
+ jint jncore, jint jramsize, jint jnetcap, jstring jdiskpath, jint jdisksize, jint jmig_netspeed, jint jdp_intensity) {
+
msg_host_t host = jhost_get_native(env, jhost);
const char *name;
name = (*env)->GetStringUTFChars(env, jname, 0);
name = xbt_strdup(name);
-
- msg_vm_t vm = MSG_vm_start(host, name, (int)jcoreamount);
+
+ // TODO disk concerns are not taken into account yet
+ // const char *diskpath;
+ // disk_path = (*env)->GetStringUTFChars(env, jdiskpath, 0);
+ // disk_path = xbt_strdup(disk_path);
+
+ msg_vm_t vm = MSG_vm_create(host, name, (int) jncore, (int) jramsize,
+ (int) jnetcap, NULL, (int) jdisksize, (int) jmig_netspeed, (int) jdp_intensity);
jvm_bind(env,jvm,vm);
}
+
JNIEXPORT void JNICALL
Java_org_simgrid_msg_VM_destroy(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
MSG_vm_destroy(vm);
}
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_VM_isSuspended(JNIEnv *env, jobject jvm) {
- msg_vm_t vm = jvm_get_native(env,jvm);
- return MSG_vm_is_suspended(vm) ? JNI_TRUE : JNI_FALSE;
-}
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_VM_isRunning(JNIEnv *env, jobject jvm) {
- msg_vm_t vm = jvm_get_native(env,jvm);
-
- return MSG_vm_is_running(vm) ? JNI_TRUE : JNI_FALSE;
-}
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_bind(JNIEnv *env, jobject jvm, jobject jprocess) {
+Java_org_simgrid_msg_VM_start(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- msg_process_t process = jprocess_to_native_process(jprocess,env);
-
- xbt_assert((vm != NULL), "VM object is not binded");
- xbt_assert((process != NULL), "Process object is not binded.");
-
- MSG_vm_bind(vm,process);
+ MSG_vm_start(vm);
}
+
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_unbind(JNIEnv *env, jobject jvm, jobject jprocess) {
+Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- msg_process_t process = jprocess_to_native_process(jprocess,env);
-
- MSG_vm_unbind(vm,process);
+ MSG_vm_shutdown(vm);
}
+
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_migrate(JNIEnv *env, jobject jvm, jobject jhost) {
+Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost) {
msg_vm_t vm = jvm_get_native(env,jvm);
msg_host_t host = jhost_get_native(env, jhost);
-
MSG_vm_migrate(vm,host);
}
+
JNIEXPORT void JNICALL
Java_org_simgrid_msg_VM_suspend(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- xbt_ex_t e;
- TRY {
- MSG_vm_suspend(vm);
- }
- CATCH(e) {
- xbt_ex_free(e);
- }
+ MSG_vm_suspend(vm);
}
JNIEXPORT void JNICALL
Java_org_simgrid_msg_VM_resume(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- xbt_ex_t e;
- TRY {
- MSG_vm_resume(vm);
- }
- CATCH(e) {
- xbt_ex_free(e);
- }
+ MSG_vm_resume(vm);
}
+
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_shutdown(JNIEnv *env, jobject jvm) {
+Java_org_simgrid_msg_VM_save(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- xbt_ex_t e;
- TRY {
- MSG_vm_shutdown(vm);
- }
- CATCH(e) {
- xbt_ex_free(e);
- }
+ MSG_vm_save(vm);
}
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_VM_reboot(JNIEnv *env, jobject jvm) {
+Java_org_simgrid_msg_VM_restore(JNIEnv *env, jobject jvm) {
msg_vm_t vm = jvm_get_native(env,jvm);
- xbt_ex_t e;
- TRY {
- MSG_vm_reboot(vm);
- }
- CATCH(e) {
- xbt_ex_free(e);
+ MSG_vm_restore(vm);
+}
+
+
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_VM_get_pm(JNIEnv *env, jobject jvm) {
+ jobject jhost;
+ msg_vm_t vm = jvm_get_native(env,jvm);
+ msg_host_t host = MSG_vm_get_pm(vm);
+
+ if (!xbt_lib_get_level(host, JAVA_HOST_LEVEL)) {
+ /* the native host not yet associated with the java host instance */
+
+ /* instanciate a new java host instance */
+ jhost = jhost_new_instance(env);
+
+ if (!jhost) {
+ jxbt_throw_jni(env, "java host instantiation failed");
+ return NULL;
+ }
+
+ /* get a global reference to the newly created host */
+ jhost = jhost_ref(env, jhost);
+
+ if (!jhost) {
+ jxbt_throw_jni(env, "global ref allocation failed");
+ return NULL;
+ }
+ /* Sets the host name */
+ const char *name = MSG_host_get_name(host);
+ jobject jname = (*env)->NewStringUTF(env,name);
+ (*env)->SetObjectField(env, jhost, jxbt_get_jfield(env, (*env)->FindClass(env, "org/simgrid/msg/Host"), "name", "Ljava/lang/String;"), jname);
+ /* Bind & store it */
+ jhost_bind(jhost, host, env);
+ xbt_lib_set(host_lib, host->key, JAVA_HOST_LEVEL, (void *) jhost);
+ } else {
+ jhost = (jobject) xbt_lib_get_level(host, JAVA_HOST_LEVEL);
}
+
+ return jhost;
}
