-
-/*
- * The MSG process connected functions implementation.
- */
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
- jobject jprocess_arg,
- jobject jhostname)
-{
-
-
- jobject jprocess; /* the global reference to the java process instance */
- jstring jname; /* the name of the java process instance */
- const char *name; /* the C name of the process */
- const char *hostname;
- m_process_t process; /* the native process to create */
- m_host_t host; /* Where that process lives */
-
- hostname = (*env)->GetStringUTFChars(env, jhostname, 0);
-
- XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,host=%s)",
- env, cls, jprocess_arg, hostname);
-
-
- /* get the name of the java process */
- jname = jprocess_get_name(jprocess_arg, env);
- if (!jname) {
- jxbt_throw_null(env,
- xbt_strdup("Internal error: Process name cannot be NULL"));
- return;
- }
-
- /* bind/retrieve the msg host */
- host = MSG_get_host_by_name(hostname);
-
- if (!(host)) { /* not binded */
- jxbt_throw_host_not_found(env, hostname);
- return;
- }
-
- /* create a global java process instance */
- jprocess = jprocess_new_global_ref(jprocess_arg, env);
- if (!jprocess) {
- jxbt_throw_jni(env, "Can't get a global ref to the java process");
- return;
- }
-
- /* build the C name of the process */
- name = (*env)->GetStringUTFChars(env, jname, 0);
- name = xbt_strdup(name);
-
- /* Actually build the MSG process */
- process = MSG_process_create_with_environment(name,
- (xbt_main_func_t) jprocess,
- /*data*/ NULL,
- host,
- /* kill_time */-1,
- /*argc, argv, properties*/
- 0,NULL,NULL);
-
- MSG_process_set_data(process,&process);
-
- /* release our reference to the process name (variable name becomes invalid) */
- //FIXME : This line should be uncommented but with mac it doesn't work. BIG WARNING
- //(*env)->ReleaseStringUTFChars(env, jname, name);
- (*env)->ReleaseStringUTFChars(env, jhostname, hostname);
-
- /* bind the java process instance to the native process */
- jprocess_bind(jprocess, process, env);
-
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processSuspend(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to suspend the process */
- MSG_error_t rv = MSG_process_suspend(process);
-
- jxbt_check_res("MSG_process_suspend()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_Process_simulatedSleep(JNIEnv * env, jobject jprocess,
- jdouble jseconds) {
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
- MSG_error_t rv = MSG_process_sleep((double)jseconds);
-
- jxbt_check_res("MSG_process_sleep()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-}
-
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processResume(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to resume the process */
- MSG_error_t rv = MSG_process_resume(process);
-
- jxbt_check_res("MSG_process_resume()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-}
-
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_MsgNative_processIsSuspended(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- /* true is the process is suspended, false otherwise */
- return (jboolean) MSG_process_is_suspended(process);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processKill(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- /* get the native instances from the java ones */
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* kill the native process (this wrapper is call by the destructor of the java
- * process instance)
- */
- MSG_process_kill(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processGetHost(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- /* get the native instances from the java ones */
- m_process_t process = jprocess_to_native_process(jprocess, env);
- m_host_t host;
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return NULL;
- }
-
- host = MSG_process_get_host(process);
- jobject res = (jobject)MSG_host_get_data(host);
-
- if (!res) {
- XBT_INFO("Binding error for host %s ",MSG_host_get_name(host));
- jxbt_throw_jni(env, bprintf("Binding error for host %s ",MSG_host_get_name(host)));
- return NULL;
- }
-
- /* return the global reference to the java host instance */
- return res;
-
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processFromPID(JNIEnv * env, jclass cls,
- jint PID)
-{
- m_process_t process = MSG_process_from_PID(PID);
-
- if (!process) {
- jxbt_throw_process_not_found(env, bprintf("PID = %d",(int) PID));
- return NULL;
- }
-
- if (!native_to_java_process(process)) {
- jxbt_throw_jni(env, "SIMIX_process_get_jprocess() failed");
- return NULL;
- }
-
- return (jobject) (native_to_java_process(process));
-}
-
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_processGetPID(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- return (jint) MSG_process_get_PID(process);
-}
-
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_processGetPPID(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- return (jint) MSG_process_get_PPID(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processSelf(JNIEnv * env, jclass cls)
-{
- m_process_t process = MSG_process_self();
- jobject jprocess;
-
- if (!process) {
- jxbt_throw_jni(env, xbt_strdup("MSG_process_self() failed"));
- return NULL;
- }
-
- jprocess = native_to_java_process(process);
-
- if (!jprocess)
- jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
-
- return jprocess;
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processMigrate(JNIEnv * env, jclass cls,
- jobject jprocess, jobject jhost)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return;
- }
-
- /* try to change the host of the process */
- MSG_error_t rv = MSG_process_migrate(process, host);
- jxbt_check_res("MSG_process_migrate()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processWaitFor(JNIEnv * env, jclass cls,
- jdouble seconds)
-{
- MSG_error_t rv = MSG_process_sleep((double) seconds);
-
- jxbt_check_res("MSG_process_sleep()", rv, MSG_HOST_FAILURE,
- bprintf("while process was waiting for %f seconds",
- (double) seconds));
-
-}
-
-
-/***************************************************************************************
- * 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", host);
-
- 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);
- const char* name;
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return NULL;
- }
-
- name = MSG_host_get_name(host);
- if (!name)
- xbt_die("This host has no name...");
-
- return (*env)->NewStringUTF(env, name);
-}
-
-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 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 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_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)));
-}
-