+++ /dev/null
-/* Functions related to the java task instances. */
-
-/* Copyright (c) 2007, 2009, 2010. 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. */
-
-#include "jmsg.h"
-
-#include "smx_context_java.h"
-
-#include "jmsg_host.h"
-#include "jmsg_task.h"
-
-#include "jxbt_utilities.h"
-
-#include <msg/msg.h>
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
-
-static jmethodID jtask_method_Comm_constructor;
-
-static jfieldID jtask_field_Task_bind;
-static jfieldID jtask_field_Task_name;
-static jfieldID jtask_field_Comm_bind;
-static jfieldID jtask_field_Comm_taskBind;
-static jfieldID jtask_field_Comm_receiving;
-
-void jtask_bind(jobject jtask, msg_task_t task, JNIEnv * env)
-{
- (*env)->SetLongField(env, jtask, jtask_field_Task_bind, (jlong) (long) (task));
-}
-
-msg_task_t jtask_to_native_task(jobject jtask, JNIEnv * env)
-{
- return (msg_task_t) (long) (*env)->GetLongField(env, jtask, jtask_field_Task_bind);
-}
-
-jboolean jtask_is_valid(jobject jtask, JNIEnv * env)
-{
- return (*env)->GetLongField(env, jtask, jtask_field_Task_bind) ? JNI_TRUE : JNI_FALSE;
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_nativeInit(JNIEnv *env, jclass cls) {
- jclass jtask_class_Comm = (*env)->FindClass(env, "org/simgrid/msg/Comm");
- jclass jtask_class_Task = (*env)->FindClass(env, "org/simgrid/msg/Task");
-
- jtask_method_Comm_constructor = (*env)->GetMethodID(env, jtask_class_Comm, "<init>", "()V");
- jtask_field_Task_bind = jxbt_get_jfield(env, jtask_class_Task, "bind", "J");
- jtask_field_Task_name = jxbt_get_jfield(env, jtask_class_Task, "name", "Ljava/lang/String;");
- jtask_field_Comm_bind = jxbt_get_jfield(env, jtask_class_Comm, "bind", "J");
- jtask_field_Comm_taskBind = jxbt_get_jfield(env, jtask_class_Comm, "taskBind", "J");
- jtask_field_Comm_receiving = jxbt_get_jfield(env, jtask_class_Comm, "receiving", "Z");
- if (!jtask_field_Task_bind || !jtask_class_Task || !jtask_field_Comm_bind || !jtask_field_Comm_taskBind ||
- !jtask_field_Comm_receiving || !jtask_method_Comm_constructor) {
- jxbt_throw_native(env,bprintf("Can't find some fields in Java class."));
- }
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_create(JNIEnv * env,
- jobject jtask, jstring jname,
- jdouble jcomputeDuration,
- jdouble jmessageSize)
-{
- msg_task_t task; /* the native task to create */
- const char *name = NULL; /* the name of the task */
-
- if (jcomputeDuration < 0) {
- jxbt_throw_illegal(env,
- bprintf
- ("Task ComputeDuration (%f) cannot be negative",
- (double) jcomputeDuration));
- return;
- }
-
- if (jmessageSize < 0) {
- jxbt_throw_illegal(env,
- bprintf("Task MessageSize (%f) cannot be negative",
- (double) jmessageSize));
- return;
- }
-
- if (jname) {
- /* get the C string from the java string */
- name = (*env)->GetStringUTFChars(env, jname, 0);
- }
-
- /* create the task */
- task =
- MSG_task_create(name, (double) jcomputeDuration,
- (double) jmessageSize, NULL);
- if (jname)
- (*env)->ReleaseStringUTFChars(env, jname, name);
- /* sets the task name */
- (*env)->SetObjectField(env, jtask, jtask_field_Task_name, jname);
- /* bind & store the task */
- jtask_bind(jtask, task, env);
- MSG_task_set_data(task, jtask);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_parallelCreate(JNIEnv * env,
- jobject jtask,
- jstring jname,
- jobjectArray jhosts,
- jdoubleArray
- jcomputeDurations_arg,
- jdoubleArray
- jmessageSizes_arg) {
-
- msg_task_t task; /* the native parallel task to create */
- const char *name; /* the name of the task */
- int host_count;
- msg_host_t *hosts;
- double *computeDurations;
- double *messageSizes;
- jdouble *jcomputeDurations;
- jdouble *jmessageSizes;
-
- jobject jhost;
- int index;
-
- if (!jcomputeDurations_arg) {
- jxbt_throw_null(env,
- xbt_strdup
- ("Parallel task compute durations cannot be null"));
- return;
- }
-
- if (!jmessageSizes_arg) {
- jxbt_throw_null(env,
- xbt_strdup
- ("Parallel task message sizes cannot be null"));
- return;
- }
-
- if (!jname) {
- jxbt_throw_null(env, xbt_strdup("Parallel task name cannot be null"));
- return;
- }
-
- host_count = (int) (*env)->GetArrayLength(env, jhosts);
-
-
- hosts = xbt_new0(msg_host_t, host_count);
- computeDurations = xbt_new0(double, host_count);
- messageSizes = xbt_new0(double, host_count * host_count);
-
- jcomputeDurations =
- (*env)->GetDoubleArrayElements(env, jcomputeDurations_arg, 0);
- jmessageSizes =
- (*env)->GetDoubleArrayElements(env, jmessageSizes_arg, 0);
-
- for (index = 0; index < host_count; index++) {
- jhost = (*env)->GetObjectArrayElement(env, jhosts, index);
- hosts[index] = jhost_get_native(env, jhost);
- computeDurations[index] = jcomputeDurations[index];
- }
- for (index = 0; index < host_count * host_count; index++) {
- messageSizes[index] = jmessageSizes[index];
- }
-
- (*env)->ReleaseDoubleArrayElements(env, jcomputeDurations_arg,
- jcomputeDurations, 0);
- (*env)->ReleaseDoubleArrayElements(env, jmessageSizes_arg, jmessageSizes,
- 0);
-
-
- /* get the C string from the java string */
- name = (*env)->GetStringUTFChars(env, jname, 0);
-
- task =
- MSG_parallel_task_create(name, host_count, hosts, computeDurations,
- messageSizes, NULL);
-
- (*env)->ReleaseStringUTFChars(env, jname, name);
- /* sets the task name */
- (*env)->SetObjectField(env, jtask, jtask_field_Task_name, jname);
- /* associate the java task object and the native task */
- jtask_bind(jtask, task, env);
-
- MSG_task_set_data(task, (void *) jtask);
-
- if (!MSG_task_get_data(task))
- jxbt_throw_jni(env, "global ref allocation failed");
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_cancel(JNIEnv * env,
- jobject jtask)
-{
- msg_task_t ptask = jtask_to_native_task(jtask, env);
-
- if (!ptask) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- msg_error_t rv = MSG_task_cancel(ptask);
-
- jxbt_check_res("MSG_task_cancel()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_execute(JNIEnv * env,
- jobject jtask)
-{
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
- xbt_ex_t e;
- msg_error_t rv;
- TRY {
- rv = MSG_task_execute(task);
- }
- CATCH(e) {
- xbt_ex_free(e);
- return;
- }
- if (rv != MSG_OK) {
- jmsg_throw_status(env, rv);
- }
-}
-
-JNIEXPORT jstring JNICALL
-Java_org_simgrid_msg_Task_getName(JNIEnv * env,
- jobject jtask) {
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return NULL;
- }
-
- return (*env)->NewStringUTF(env, MSG_task_get_name(task));
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_getSender(JNIEnv * env,
- jobject jtask) {
- msg_process_t process;
-
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return NULL;
- }
-
- process = MSG_task_get_sender(task);
- if (process == NULL) {
- return NULL;
- }
- return (jobject) native_to_java_process(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_getSource(JNIEnv * env,
- jobject jtask)
-{
- msg_host_t host;
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return NULL;
- }
-
- host = MSG_task_get_source(task);
- if (host == NULL) {
- return NULL;
- }
- if (!MSG_host_get_data(host)) {
- jxbt_throw_jni(env, "MSG_task_get_source() failed");
- return NULL;
- }
-
- return (jobject) MSG_host_get_data(host);
-}
-
-JNIEXPORT jdouble JNICALL
-Java_org_simgrid_msg_Task_getComputeDuration(JNIEnv * env,
- jobject jtask)
-{
- msg_task_t ptask = jtask_to_native_task(jtask, env);
-
- if (!ptask) {
- jxbt_throw_notbound(env, "task", jtask);
- return -1;
- }
- return (jdouble) MSG_task_get_compute_duration(ptask);
-}
-
-JNIEXPORT jdouble JNICALL
-Java_org_simgrid_msg_Task_getRemainingDuration(JNIEnv * env, jobject jtask)
-{
- msg_task_t ptask = jtask_to_native_task(jtask, env);
-
- if (!ptask) {
- jxbt_throw_notbound(env, "task", jtask);
- return -1;
- }
- return (jdouble) MSG_task_get_remaining_computation(ptask);
-}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_setName(JNIEnv *env, jobject jtask, jobject jname) {
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
- const char *name = (*env)->GetStringUTFChars(env, jname, 0);
-
- (*env)->SetObjectField(env, jtask, jtask_field_Task_name, jname);
- MSG_task_set_name(task, name);
-
- (*env)->ReleaseStringUTFChars(env, jname, name);
-}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_setPriority(JNIEnv * env,
- jobject jtask, jdouble priority)
-{
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
- MSG_task_set_priority(task, (double) priority);
-}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_setComputeDuration
- (JNIEnv *env, jobject jtask, jdouble computationAmount) {
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
- MSG_task_set_compute_duration(task, (double) computationAmount);
-}
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_setDataSize
- (JNIEnv *env, jobject jtask, jdouble dataSize) {
- msg_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
- MSG_task_set_data_size(task, (double) dataSize);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_send(JNIEnv * env,jobject jtask,
- jstring jalias,
- jdouble jtimeout)
-{
- msg_error_t rv;
- const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
-
- msg_task_t task = jtask_to_native_task(jtask, env);
-
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
- MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- xbt_ex_t e;
- TRY {
- rv = MSG_task_send_with_timeout(task, alias, (double) jtimeout);
- }
- CATCH(e) {
- xbt_ex_free(e);
- }
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- if (rv != MSG_OK) {
- jmsg_throw_status(env, rv);
- }
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_sendBounded(JNIEnv * env,jobject jtask,
- jstring jalias,
- jdouble jtimeout,
- jdouble maxrate)
-{
- msg_error_t rv;
- const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
-
- msg_task_t task = jtask_to_native_task(jtask, env);
-
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
- MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- xbt_ex_t e;
- TRY {
- rv = MSG_task_send_with_timeout_bounded(task, alias, (double) jtimeout, (double) maxrate);
- }
- CATCH(e) {
- xbt_ex_free(e);
- }
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- if (rv != MSG_OK) {
- jmsg_throw_status(env, rv);
- }
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_receive(JNIEnv * env, jclass cls,
- jstring jalias, jdouble jtimeout,
- jobject jhost)
-{
- msg_error_t rv;
- msg_task_t *task = xbt_new(msg_task_t,1);
- *task = NULL;
-
- msg_host_t host = NULL;
- jobject jtask_global, jtask_local;
- const char *alias;
-
- if (jhost) {
- host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return NULL;
- }
- }
-
- alias = (*env)->GetStringUTFChars(env, jalias, 0);
- xbt_ex_t e;
- TRY {
- rv = MSG_task_receive_ext(task, alias, (double) jtimeout, host);
- }
- CATCH(e) {
- xbt_ex_free(e);
- return NULL;
- }
- if (rv != MSG_OK) {
- jmsg_throw_status(env,rv);
- return NULL;
- }
- jtask_global = MSG_task_get_data(*task);
-
- /* Convert the global ref into a local ref so that the JVM can free the stuff */
- jtask_local = (*env)->NewLocalRef(env, jtask_global);
- (*env)->DeleteGlobalRef(env, jtask_global);
- MSG_task_set_data(*task, NULL);
-
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- xbt_free(task);
-
- return (jobject) jtask_local;
-}
-
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_irecv(JNIEnv * env, jclass cls, jstring jmailbox) {
- msg_comm_t comm;
- const char *mailbox;
- jclass comm_class;
- //pointer to store the task object pointer.
- msg_task_t *task = xbt_new(msg_task_t,1);
- *task = NULL;
- /* There should be a cache here */
- comm_class = (*env)->FindClass(env, "org/simgrid/msg/Comm");
-
- if (!comm_class) {
- jxbt_throw_native(env,bprintf("fieldID or methodID or class not found."));
- return NULL;
- }
-
- jobject jcomm = (*env)->NewObject(env, comm_class, jtask_method_Comm_constructor);
- if (!jcomm) {
- jxbt_throw_native(env,bprintf("Can't create a Comm object."));
- return NULL;
- }
-
- mailbox = (*env)->GetStringUTFChars(env, jmailbox, 0);
-
- comm = MSG_task_irecv(task,mailbox);
-
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_bind, (jlong) (long)(comm));
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_taskBind, (jlong) (long)(task));
- (*env)->SetBooleanField(env, jcomm, jtask_field_Comm_receiving, JNI_TRUE);
-
- (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
-
- return jcomm;
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_isend(JNIEnv *env, jobject jtask, jstring jmailbox) {
- jclass comm_class;
-
- const char *mailbox;
-
- msg_task_t task;
-
- jobject jcomm;
- msg_comm_t comm;
-
- comm_class = (*env)->FindClass(env, "org/simgrid/msg/Comm");
-
- if (!comm_class) return NULL;
-
- jcomm = (*env)->NewObject(env, comm_class, jtask_method_Comm_constructor);
- mailbox = (*env)->GetStringUTFChars(env, jmailbox, 0);
-
- task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
- (*env)->DeleteLocalRef(env, jcomm);
- jxbt_throw_notbound(env, "task", jtask);
- return NULL;
- }
-
-MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- comm = MSG_task_isend(task,mailbox);
-
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_bind, (jlong) (long)(comm));
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_taskBind, (jlong) (long)(NULL));
- (*env)->SetBooleanField(env, jcomm, jtask_field_Comm_receiving, JNI_FALSE);
-
- (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
-
- return jcomm;
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_Task_isendBounded(JNIEnv *env, jobject jtask, jstring jmailbox, jdouble maxrate) {
- jclass comm_class;
-
- const char *mailbox;
-
- msg_task_t task;
-
- jobject jcomm;
- msg_comm_t comm;
-
- comm_class = (*env)->FindClass(env, "org/simgrid/msg/Comm");
-
- if (!comm_class) return NULL;
-
- jcomm = (*env)->NewObject(env, comm_class, jtask_method_Comm_constructor);
- mailbox = (*env)->GetStringUTFChars(env, jmailbox, 0);
-
- task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
- (*env)->DeleteLocalRef(env, jcomm);
- jxbt_throw_notbound(env, "task", jtask);
- return NULL;
- }
-
-MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- comm = MSG_task_isend_bounded(task,mailbox,maxrate);
-
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_bind, (jlong) (long)(comm));
- (*env)->SetLongField(env, jcomm, jtask_field_Comm_taskBind, (jlong) (long)(NULL));
- (*env)->SetBooleanField(env, jcomm, jtask_field_Comm_receiving, JNI_FALSE);
-
- (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
-
- return jcomm;
-}
-
-
-
-static void msg_task_cancel_on_failed_dsend(void*t) {
- msg_task_t task = t;
- JNIEnv *env =get_current_thread_env();
- jobject jtask_global = MSG_task_get_data(task);
-
- /* Destroy the global ref so that the JVM can free the stuff */
- (*env)->DeleteGlobalRef(env, jtask_global);
- MSG_task_set_data(task, NULL);
- MSG_task_destroy(task);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_dsend(JNIEnv * env, jobject jtask,
- jstring jalias) {
- const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
-
- msg_task_t task = jtask_to_native_task(jtask, env);
-
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
- MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- MSG_task_dsend(task, alias, msg_task_cancel_on_failed_dsend);
-
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Task_dsendBounded(JNIEnv * env, jobject jtask,
- jstring jalias, jdouble maxrate) {
- const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
-
- msg_task_t task = jtask_to_native_task(jtask, env);
-
-
- if (!task) {
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
- MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
- MSG_task_dsend_bounded(task, alias, msg_task_cancel_on_failed_dsend,(double)maxrate);
-
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-}
-
-
-
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_Task_listen(JNIEnv * env, jclass cls,
- jstring jalias) {
-
- const char *alias;
- int rv;
- xbt_ex_t e;
-
- alias = (*env)->GetStringUTFChars(env, jalias, 0);
- TRY {
- rv = MSG_task_listen(alias);
- }
- CATCH(e) {
- xbt_ex_free(e);
- return 0;
- }
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- return (jboolean) rv;
-}
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_Task_listenFromHost(JNIEnv * env, jclass cls,
- jstring jalias,
- jobject jhost) {
- int rv;
- const char *alias;
-
- msg_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return -1;
- }
- alias = (*env)->GetStringUTFChars(env, jalias, 0);
- xbt_ex_t e;
-
- TRY {
- rv = MSG_task_listen_from_host(alias, host);
- }
- CATCH(e) {
- xbt_ex_free(e);
- return 0;
- }
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- return (jint) rv;
-}
-
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_Task_listenFrom(JNIEnv * env, jclass cls,
- jstring jalias) {
-
- int rv;
- const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
- xbt_ex_t e;
- TRY {
- rv = MSG_task_listen_from(alias);
- }
- CATCH(e) {
- xbt_ex_free(e);
- return 0;
- }
- (*env)->ReleaseStringUTFChars(env, jalias, alias);
-
- return (jint) rv;
-}
