-/***************************************************************************************
- * The MSG host connected functions implementation. *
- ***************************************************************************************/
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetByName(JNIEnv * env, jclass cls,
- jstring jname)
-{
- m_host_t host; /* native host */
- jobject jhost; /* global reference to the java host instance returned */
-
- /* get the C string from the java string */
- const char *name = (*env)->GetStringUTFChars(env, jname, 0);
- XBT_DEBUG("Looking for host '%s'",name);
- /* get the host by name (the hosts are created during the grid resolution) */
- host = MSG_get_host_by_name(name);
- XBT_DEBUG("MSG gave %p as native host (smx_host=%p)", host,host? host->smx_host:NULL);
-
- if (!host) { /* invalid name */
- jxbt_throw_host_not_found(env, name);
- (*env)->ReleaseStringUTFChars(env, jname, name);
- return NULL;
- }
- (*env)->ReleaseStringUTFChars(env, jname, name);
-
- if (!MSG_host_get_data(host)) { /* native host not associated yet with java host */
-
- /* Instantiate a new java host */
- 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, "new global ref allocation failed");
- return NULL;
- }
-
- /* bind the java host and the native host */
- jhost_bind(jhost, host, env);
-
- /* the native host data field is set with the global reference to the
- * java host returned by this function
- */
- MSG_host_set_data(host, (void *) jhost);
- }
-
- /* return the global reference to the java host instance */
- return (jobject) MSG_host_get_data(host);
-}
-
-JNIEXPORT jstring JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetName(JNIEnv * env, jclass cls,
- jobject jhost)
-{
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return NULL;
- }
-
- return (*env)->NewStringUTF(env, MSG_host_get_name(host));
-}
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetNumber(JNIEnv * env, jclass cls)
-{
- xbt_dynar_t hosts = MSG_hosts_as_dynar();
- int nb_host = xbt_dynar_length(hosts);
- xbt_dynar_free(&hosts);
- return (jint) nb_host;
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_hostSelf(JNIEnv * env, jclass cls)
-{
- jobject jhost;
-
- m_host_t host = MSG_host_self();
-
- if (!MSG_host_get_data(host)) {
- /* 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;
- }
-
- /* Bind & store it */
- jhost_bind(jhost, host, env);
- MSG_host_set_data(host, (void *) jhost);
- } else {
- jhost = (jobject) MSG_host_get_data(host);
- }
-
- return jhost;
-}
-
-JNIEXPORT jdouble JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetSpeed(JNIEnv * env, jclass cls,
- jobject jhost)
-{
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return -1;
- }
-
- return (jdouble) MSG_get_host_speed(host);
-}
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetLoad(JNIEnv * env, jclass cls,
- jobject jhost)
-{
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return -1;
- }
-
- return (jint) MSG_get_host_msgload(host);
-}
-
-
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_MsgNative_hostIsAvail(JNIEnv * env, jclass cls,
- jobject jhost)
-{
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return 0;
- }
-
- return (jboolean) MSG_host_is_avail(host);
-}
-
-
-/***************************************************************************************
- * The MSG task connected functions implementation. *
- ***************************************************************************************/
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_taskCreate(JNIEnv * env, jclass cls,
- jobject jtask, jstring jname,
- jdouble jcomputeDuration,
- jdouble jmessageSize)
-{
- m_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);
-
- /* bind & store the task */
- jtask_bind(jtask, task, env);
- MSG_task_set_data(task, jtask);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_parallel_taskCreate(JNIEnv * env, jclass cls,
- jobject jtask,
- jstring jname,
- jobjectArray jhosts,
- jdoubleArray
- jcomputeDurations_arg,
- jdoubleArray
- jmessageSizes_arg)
-{
-
- m_task_t task; /* the native parallel task to create */
- const char *name; /* the name of the task */
- int host_count;
- m_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(m_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);
-
- /* 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 jobject JNICALL
-Java_org_simgrid_msg_MsgNative_taskGetSender(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_process_t process;
-
- m_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);
- return (jobject) native_to_java_process(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_taskGetSource(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_host_t host;
- m_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 (!MSG_host_get_data(host)) {
- jxbt_throw_jni(env, "MSG_task_get_source() failed");
- return NULL;
- }
-
- return (jobject) MSG_host_get_data(host);
-}
-
-
-JNIEXPORT jstring JNICALL
-Java_org_simgrid_msg_MsgNative_taskGetName(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_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 void JNICALL
-Java_org_simgrid_msg_MsgNative_taskCancel(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_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 jdouble JNICALL
-Java_org_simgrid_msg_MsgNative_taskGetComputeDuration(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_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_MsgNative_taskGetRemainingDuration(JNIEnv * env,
- jclass cls,
- jobject jtask)
-{
- m_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_MsgNative_taskSetPriority(JNIEnv * env, jclass cls,
- jobject jtask, jdouble priority)
-{
- m_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_MsgNative_taskDestroy(JNIEnv * env, jclass cls,
- jobject jtask_arg)
-{
-
- /* get the native task */
- m_task_t task = jtask_to_native_task(jtask_arg, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", task);
- return;
- }
-
- MSG_error_t rv = MSG_task_destroy(task);
-
- jxbt_check_res("MSG_task_destroy()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_taskExecute(JNIEnv * env, jclass cls,
- jobject jtask)
-{
- m_task_t task = jtask_to_native_task(jtask, env);
-
- if (!task) {
- jxbt_throw_notbound(env, "task", jtask);
- return;
- }
-
- MSG_error_t rv = MSG_task_execute(task);
-
- jxbt_check_res("MSG_task_execute()", rv,
- MSG_HOST_FAILURE | MSG_TASK_CANCELED,
- bprintf("while executing task %s",
- MSG_task_get_name(task)));
-}
-