1 /* Java Wrappers to the MSG API. */
3 /* Copyright (c) 2007, 2008, 2009, 2010. 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. */
10 #include <simgrid/simix.h>
11 #include <surf/surfxml_parse.h>
13 #include "smx_context_java.h"
15 #include "jmsg_process.h"
16 #include "jmsg_host.h"
17 #include "jmsg_task.h"
18 #include "jmsg_application_handler.h"
19 #include "jxbt_utilities.h"
23 /* Shut up some errors in eclipse online compiler. I wish such a pimple wouldn't be needed */
30 /* end of eclipse-mandated pimple */
32 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
34 static JavaVM *__java_vm = NULL;
36 static jobject native_to_java_process(m_process_t process);
38 JavaVM *get_java_VM(void)
43 JNIEnv *get_current_thread_env(void)
47 (*__java_vm)->AttachCurrentThread(__java_vm, (void **) &env, NULL);
52 static jobject native_to_java_process(m_process_t process)
54 return ((smx_ctx_java_t)MSG_process_get_smx_ctx(process))->jprocess;
58 * The MSG process connected functions implementation.
61 JNIEXPORT void JNICALL
62 Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
68 jobject jprocess; /* the global reference to the java process instance */
69 jstring jname; /* the name of the java process instance */
70 const char *name; /* the C name of the process */
72 m_process_t process; /* the native process to create */
73 m_host_t host; /* Where that process lives */
75 hostname = (*env)->GetStringUTFChars(env, jhostname, 0);
77 XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,host=%s)",
78 env, cls, jprocess_arg, hostname);
81 /* get the name of the java process */
82 jname = jprocess_get_name(jprocess_arg, env);
85 xbt_strdup("Internal error: Process name cannot be NULL"));
89 /* bind/retrieve the msg host */
90 host = MSG_get_host_by_name(hostname);
92 if (!(host)) { /* not binded */
93 jxbt_throw_host_not_found(env, hostname);
97 /* create a global java process instance */
98 jprocess = jprocess_new_global_ref(jprocess_arg, env);
100 jxbt_throw_jni(env, "Can't get a global ref to the java process");
104 /* build the C name of the process */
105 name = (*env)->GetStringUTFChars(env, jname, 0);
106 name = xbt_strdup(name);
108 /* Actually build the MSG process */
109 process = MSG_process_create_with_environment(name,
110 (xbt_main_func_t) jprocess,
114 /*argc, argv, properties*/
117 MSG_process_set_data(process,&process);
119 /* release our reference to the process name (variable name becomes invalid) */
120 //FIXME : This line should be uncommented but with mac it doesn't work. BIG WARNING
121 //(*env)->ReleaseStringUTFChars(env, jname, name);
122 (*env)->ReleaseStringUTFChars(env, jhostname, hostname);
124 /* bind the java process instance to the native process */
125 jprocess_bind(jprocess, process, env);
129 JNIEXPORT void JNICALL
130 Java_org_simgrid_msg_MsgNative_processSuspend(JNIEnv * env, jclass cls,
133 m_process_t process = jprocess_to_native_process(jprocess, env);
136 jxbt_throw_notbound(env, "process", jprocess);
140 /* try to suspend the process */
141 MSG_error_t rv = MSG_process_suspend(process);
143 jxbt_check_res("MSG_process_suspend()", rv, MSG_OK,
144 bprintf("unexpected error , please report this bug"));
148 JNIEXPORT void JNICALL
149 Java_org_simgrid_msg_Process_simulatedSleep(JNIEnv * env, jobject jprocess,
151 m_process_t process = jprocess_to_native_process(jprocess, env);
154 jxbt_throw_notbound(env, "process", jprocess);
157 MSG_error_t rv = MSG_process_sleep((double)jseconds);
159 jxbt_check_res("MSG_process_sleep()", rv, MSG_OK,
160 bprintf("unexpected error , please report this bug"));
164 JNIEXPORT void JNICALL
165 Java_org_simgrid_msg_MsgNative_processResume(JNIEnv * env, jclass cls,
168 m_process_t process = jprocess_to_native_process(jprocess, env);
171 jxbt_throw_notbound(env, "process", jprocess);
175 /* try to resume the process */
176 MSG_error_t rv = MSG_process_resume(process);
178 jxbt_check_res("MSG_process_resume()", rv, MSG_OK,
179 bprintf("unexpected error , please report this bug"));
182 JNIEXPORT jboolean JNICALL
183 Java_org_simgrid_msg_MsgNative_processIsSuspended(JNIEnv * env, jclass cls,
186 m_process_t process = jprocess_to_native_process(jprocess, env);
189 jxbt_throw_notbound(env, "process", jprocess);
193 /* true is the process is suspended, false otherwise */
194 return (jboolean) MSG_process_is_suspended(process);
197 JNIEXPORT void JNICALL
198 Java_org_simgrid_msg_MsgNative_processKill(JNIEnv * env, jclass cls,
201 /* get the native instances from the java ones */
202 m_process_t process = jprocess_to_native_process(jprocess, env);
205 jxbt_throw_notbound(env, "process", jprocess);
209 /* kill the native process (this wrapper is call by the destructor of the java
212 MSG_process_kill(process);
215 JNIEXPORT jobject JNICALL
216 Java_org_simgrid_msg_MsgNative_processGetHost(JNIEnv * env, jclass cls,
219 /* get the native instances from the java ones */
220 m_process_t process = jprocess_to_native_process(jprocess, env);
224 jxbt_throw_notbound(env, "process", jprocess);
228 host = MSG_process_get_host(process);
230 if (!MSG_host_get_data(host)) {
231 jxbt_throw_jni(env, "MSG_process_get_host() failed");
235 /* return the global reference to the java host instance */
236 return (jobject) MSG_host_get_data(host);
240 JNIEXPORT jobject JNICALL
241 Java_org_simgrid_msg_MsgNative_processFromPID(JNIEnv * env, jclass cls,
244 m_process_t process = MSG_process_from_PID(PID);
247 jxbt_throw_process_not_found(env, bprintf("PID = %d",(int) PID));
251 if (!native_to_java_process(process)) {
252 jxbt_throw_jni(env, "SIMIX_process_get_jprocess() failed");
256 return (jobject) (native_to_java_process(process));
260 JNIEXPORT jint JNICALL
261 Java_org_simgrid_msg_MsgNative_processGetPID(JNIEnv * env, jclass cls,
264 m_process_t process = jprocess_to_native_process(jprocess, env);
267 jxbt_throw_notbound(env, "process", jprocess);
271 return (jint) MSG_process_get_PID(process);
275 JNIEXPORT jint JNICALL
276 Java_org_simgrid_msg_MsgNative_processGetPPID(JNIEnv * env, jclass cls,
279 m_process_t process = jprocess_to_native_process(jprocess, env);
282 jxbt_throw_notbound(env, "process", jprocess);
286 return (jint) MSG_process_get_PPID(process);
289 JNIEXPORT jobject JNICALL
290 Java_org_simgrid_msg_MsgNative_processSelf(JNIEnv * env, jclass cls)
292 m_process_t process = MSG_process_self();
296 jxbt_throw_jni(env, xbt_strdup("MSG_process_self() failed"));
300 jprocess = native_to_java_process(process);
303 jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
308 JNIEXPORT void JNICALL
309 Java_org_simgrid_msg_MsgNative_processMigrate(JNIEnv * env, jclass cls,
310 jobject jprocess, jobject jhost)
312 m_process_t process = jprocess_to_native_process(jprocess, env);
315 jxbt_throw_notbound(env, "process", jprocess);
319 m_host_t host = jhost_get_native(env, jhost);
322 jxbt_throw_notbound(env, "host", jhost);
326 /* try to change the host of the process */
327 MSG_error_t rv = MSG_process_migrate(process, host);
328 jxbt_check_res("MSG_process_migrate()", rv, MSG_OK,
329 bprintf("unexpected error , please report this bug"));
333 JNIEXPORT void JNICALL
334 Java_org_simgrid_msg_MsgNative_processWaitFor(JNIEnv * env, jclass cls,
337 MSG_error_t rv = MSG_process_sleep((double) seconds);
339 jxbt_check_res("MSG_process_sleep()", rv, MSG_HOST_FAILURE,
340 bprintf("while process was waiting for %f seconds",
346 /***************************************************************************************
347 * The MSG host connected functions implementation. *
348 ***************************************************************************************/
350 JNIEXPORT jobject JNICALL
351 Java_org_simgrid_msg_MsgNative_hostGetByName(JNIEnv * env, jclass cls,
354 m_host_t host; /* native host */
355 jobject jhost; /* global reference to the java host instance returned */
357 /* get the C string from the java string */
358 const char *name = (*env)->GetStringUTFChars(env, jname, 0);
359 XBT_DEBUG("Looking for host '%s'",name);
360 /* get the host by name (the hosts are created during the grid resolution) */
361 host = MSG_get_host_by_name(name);
362 XBT_DEBUG("MSG gave %p as native host (smx_host=%p)", host,host? host->smx_host:NULL);
364 if (!host) { /* invalid name */
365 jxbt_throw_host_not_found(env, name);
366 (*env)->ReleaseStringUTFChars(env, jname, name);
369 (*env)->ReleaseStringUTFChars(env, jname, name);
371 if (!MSG_host_get_data(host)) { /* native host not associated yet with java host */
373 /* Instantiate a new java host */
374 jhost = jhost_new_instance(env);
377 jxbt_throw_jni(env, "java host instantiation failed");
381 /* get a global reference to the newly created host */
382 jhost = jhost_ref(env, jhost);
385 jxbt_throw_jni(env, "new global ref allocation failed");
389 /* bind the java host and the native host */
390 jhost_bind(jhost, host, env);
392 /* the native host data field is set with the global reference to the
393 * java host returned by this function
395 MSG_host_set_data(host, (void *) jhost);
398 /* return the global reference to the java host instance */
399 return (jobject) MSG_host_get_data(host);
402 JNIEXPORT jstring JNICALL
403 Java_org_simgrid_msg_MsgNative_hostGetName(JNIEnv * env, jclass cls,
406 m_host_t host = jhost_get_native(env, jhost);
409 jxbt_throw_notbound(env, "host", jhost);
413 return (*env)->NewStringUTF(env, MSG_host_get_name(host));
416 JNIEXPORT jint JNICALL
417 Java_org_simgrid_msg_MsgNative_hostGetNumber(JNIEnv * env, jclass cls)
419 xbt_dynar_t hosts = MSG_hosts_as_dynar();
420 int nb_host = xbt_dynar_length(hosts);
421 xbt_dynar_free(&hosts);
422 return (jint) nb_host;
425 JNIEXPORT jobject JNICALL
426 Java_org_simgrid_msg_MsgNative_hostSelf(JNIEnv * env, jclass cls)
430 m_host_t host = MSG_host_self();
432 if (!MSG_host_get_data(host)) {
433 /* the native host not yet associated with the java host instance */
435 /* instanciate a new java host instance */
436 jhost = jhost_new_instance(env);
439 jxbt_throw_jni(env, "java host instantiation failed");
443 /* get a global reference to the newly created host */
444 jhost = jhost_ref(env, jhost);
447 jxbt_throw_jni(env, "global ref allocation failed");
451 /* Bind & store it */
452 jhost_bind(jhost, host, env);
453 MSG_host_set_data(host, (void *) jhost);
455 jhost = (jobject) MSG_host_get_data(host);
461 JNIEXPORT jdouble JNICALL
462 Java_org_simgrid_msg_MsgNative_hostGetSpeed(JNIEnv * env, jclass cls,
465 m_host_t host = jhost_get_native(env, jhost);
468 jxbt_throw_notbound(env, "host", jhost);
472 return (jdouble) MSG_get_host_speed(host);
475 JNIEXPORT jint JNICALL
476 Java_org_simgrid_msg_MsgNative_hostGetLoad(JNIEnv * env, jclass cls,
479 m_host_t host = jhost_get_native(env, jhost);
482 jxbt_throw_notbound(env, "host", jhost);
486 return (jint) MSG_get_host_msgload(host);
490 JNIEXPORT jboolean JNICALL
491 Java_org_simgrid_msg_MsgNative_hostIsAvail(JNIEnv * env, jclass cls,
494 m_host_t host = jhost_get_native(env, jhost);
497 jxbt_throw_notbound(env, "host", jhost);
501 return (jboolean) MSG_host_is_avail(host);
505 /***************************************************************************************
506 * The MSG task connected functions implementation. *
507 ***************************************************************************************/
509 JNIEXPORT void JNICALL
510 Java_org_simgrid_msg_MsgNative_taskCreate(JNIEnv * env, jclass cls,
511 jobject jtask, jstring jname,
512 jdouble jcomputeDuration,
513 jdouble jmessageSize)
515 m_task_t task; /* the native task to create */
516 const char *name = NULL; /* the name of the task */
518 if (jcomputeDuration < 0) {
519 jxbt_throw_illegal(env,
521 ("Task ComputeDuration (%f) cannot be negative",
522 (double) jcomputeDuration));
526 if (jmessageSize < 0) {
527 jxbt_throw_illegal(env,
528 bprintf("Task MessageSize (%f) cannot be negative",
529 (double) jmessageSize));
534 /* get the C string from the java string */
535 name = (*env)->GetStringUTFChars(env, jname, 0);
539 /* create the task */
541 MSG_task_create(name, (double) jcomputeDuration,
542 (double) jmessageSize, NULL);
545 (*env)->ReleaseStringUTFChars(env, jname, name);
547 /* bind & store the task */
548 jtask_bind(jtask, task, env);
549 MSG_task_set_data(task, jtask);
552 JNIEXPORT void JNICALL
553 Java_org_simgrid_msg_MsgNative_parallel_taskCreate(JNIEnv * env, jclass cls,
558 jcomputeDurations_arg,
563 m_task_t task; /* the native parallel task to create */
564 const char *name; /* the name of the task */
567 double *computeDurations;
568 double *messageSizes;
569 jdouble *jcomputeDurations;
570 jdouble *jmessageSizes;
576 if (!jcomputeDurations_arg) {
579 ("Parallel task compute durations cannot be null"));
583 if (!jmessageSizes_arg) {
586 ("Parallel task message sizes cannot be null"));
591 jxbt_throw_null(env, xbt_strdup("Parallel task name cannot be null"));
595 host_count = (int) (*env)->GetArrayLength(env, jhosts);
598 hosts = xbt_new0(m_host_t, host_count);
599 computeDurations = xbt_new0(double, host_count);
600 messageSizes = xbt_new0(double, host_count * host_count);
603 (*env)->GetDoubleArrayElements(env, jcomputeDurations_arg, 0);
605 (*env)->GetDoubleArrayElements(env, jmessageSizes_arg, 0);
607 for (index = 0; index < host_count; index++) {
608 jhost = (*env)->GetObjectArrayElement(env, jhosts, index);
609 hosts[index] = jhost_get_native(env, jhost);
610 computeDurations[index] = jcomputeDurations[index];
612 for (index = 0; index < host_count * host_count; index++) {
613 messageSizes[index] = jmessageSizes[index];
616 (*env)->ReleaseDoubleArrayElements(env, jcomputeDurations_arg,
617 jcomputeDurations, 0);
618 (*env)->ReleaseDoubleArrayElements(env, jmessageSizes_arg, jmessageSizes,
622 /* get the C string from the java string */
623 name = (*env)->GetStringUTFChars(env, jname, 0);
626 MSG_parallel_task_create(name, host_count, hosts, computeDurations,
629 (*env)->ReleaseStringUTFChars(env, jname, name);
631 /* associate the java task object and the native task */
632 jtask_bind(jtask, task, env);
634 MSG_task_set_data(task, (void *) jtask);
636 if (!MSG_task_get_data(task))
637 jxbt_throw_jni(env, "global ref allocation failed");
640 JNIEXPORT jobject JNICALL
641 Java_org_simgrid_msg_MsgNative_taskGetSender(JNIEnv * env, jclass cls,
646 m_task_t task = jtask_to_native_task(jtask, env);
649 jxbt_throw_notbound(env, "task", jtask);
653 process = MSG_task_get_sender(task);
654 return (jobject) native_to_java_process(process);
657 JNIEXPORT jobject JNICALL
658 Java_org_simgrid_msg_MsgNative_taskGetSource(JNIEnv * env, jclass cls,
662 m_task_t task = jtask_to_native_task(jtask, env);
665 jxbt_throw_notbound(env, "task", jtask);
669 host = MSG_task_get_source(task);
671 if (!MSG_host_get_data(host)) {
672 jxbt_throw_jni(env, "MSG_task_get_source() failed");
676 return (jobject) MSG_host_get_data(host);
680 JNIEXPORT jstring JNICALL
681 Java_org_simgrid_msg_MsgNative_taskGetName(JNIEnv * env, jclass cls,
684 m_task_t task = jtask_to_native_task(jtask, env);
687 jxbt_throw_notbound(env, "task", jtask);
691 return (*env)->NewStringUTF(env, MSG_task_get_name(task));
694 JNIEXPORT void JNICALL
695 Java_org_simgrid_msg_MsgNative_taskCancel(JNIEnv * env, jclass cls,
698 m_task_t ptask = jtask_to_native_task(jtask, env);
701 jxbt_throw_notbound(env, "task", jtask);
705 MSG_error_t rv = MSG_task_cancel(ptask);
707 jxbt_check_res("MSG_task_cancel()", rv, MSG_OK,
708 bprintf("unexpected error , please report this bug"));
711 JNIEXPORT jdouble JNICALL
712 Java_org_simgrid_msg_MsgNative_taskGetComputeDuration(JNIEnv * env, jclass cls,
715 m_task_t ptask = jtask_to_native_task(jtask, env);
718 jxbt_throw_notbound(env, "task", jtask);
721 return (jdouble) MSG_task_get_compute_duration(ptask);
724 JNIEXPORT jdouble JNICALL
725 Java_org_simgrid_msg_MsgNative_taskGetRemainingDuration(JNIEnv * env,
729 m_task_t ptask = jtask_to_native_task(jtask, env);
732 jxbt_throw_notbound(env, "task", jtask);
735 return (jdouble) MSG_task_get_remaining_computation(ptask);
738 JNIEXPORT void JNICALL
739 Java_org_simgrid_msg_MsgNative_taskSetPriority(JNIEnv * env, jclass cls,
740 jobject jtask, jdouble priority)
742 m_task_t task = jtask_to_native_task(jtask, env);
745 jxbt_throw_notbound(env, "task", jtask);
748 MSG_task_set_priority(task, (double) priority);
751 JNIEXPORT void JNICALL
752 Java_org_simgrid_msg_MsgNative_taskDestroy(JNIEnv * env, jclass cls,
756 /* get the native task */
757 m_task_t task = jtask_to_native_task(jtask_arg, env);
760 jxbt_throw_notbound(env, "task", task);
764 MSG_error_t rv = MSG_task_destroy(task);
766 jxbt_check_res("MSG_task_destroy()", rv, MSG_OK,
767 bprintf("unexpected error , please report this bug"));
770 JNIEXPORT void JNICALL
771 Java_org_simgrid_msg_MsgNative_taskExecute(JNIEnv * env, jclass cls,
774 m_task_t task = jtask_to_native_task(jtask, env);
777 jxbt_throw_notbound(env, "task", jtask);
781 MSG_error_t rv = MSG_task_execute(task);
783 jxbt_check_res("MSG_task_execute()", rv,
784 MSG_HOST_FAILURE | MSG_TASK_CANCELED,
785 bprintf("while executing task %s",
786 MSG_task_get_name(task)));
789 /***************************************************************************************
790 * Unsortable functions *
791 ***************************************************************************************/
793 JNIEXPORT jdouble JNICALL
794 Java_org_simgrid_msg_Msg_getClock(JNIEnv * env, jclass cls)
796 return (jdouble) MSG_get_clock();
799 JNIEXPORT void JNICALL
800 Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs)
808 smx_factory_initializer_to_use = SIMIX_ctx_java_factory_init;
811 argc = (int) (*env)->GetArrayLength(env, jargs);
814 argv = xbt_new(char *, argc + 1);
815 argv[0] = strdup("java");
817 for (index = 0; index < argc - 1; index++) {
818 jval = (jstring) (*env)->GetObjectArrayElement(env, jargs, index);
819 tmp = (*env)->GetStringUTFChars(env, jval, 0);
820 argv[index + 1] = strdup(tmp);
821 (*env)->ReleaseStringUTFChars(env, jval, tmp);
825 MSG_global_init(&argc, argv);
827 for (index = 0; index < argc; index++)
832 (*env)->GetJavaVM(env, &__java_vm);
835 JNIEXPORT void JNICALL
836 JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass cls)
844 XBT_INFO("Ready to run MSG_MAIN");
846 XBT_INFO("Done running MSG_MAIN");
847 jxbt_check_res("MSG_main()", rv, MSG_OK,
849 ("unexpected error : MSG_main() failed .. please report this bug "));
851 XBT_INFO("MSG_main finished");
853 XBT_INFO("Clean java world");
854 /* Cleanup java hosts */
855 hosts = MSG_hosts_as_dynar();
856 for (index = 0; index < xbt_dynar_length(hosts) - 1; index++) {
857 jhost = (jobject) MSG_host_get_data(xbt_dynar_get_as(hosts,index,m_host_t));
859 jhost_unref(env, jhost);
862 xbt_dynar_free(&hosts);
863 XBT_INFO("Clean native world");
865 JNIEXPORT void JNICALL
866 JNICALL Java_org_simgrid_msg_Msg_clean(JNIEnv * env, jclass cls)
868 /* cleanup native stuff. Calling it is ... useless since leaking memory at the end of the simulation is a non-issue */
869 MSG_error_t rv = MSG_OK != MSG_clean();
870 jxbt_check_res("MSG_clean()", rv, MSG_OK,
872 ("unexpected error : MSG_clean() failed .. please report this bug "));
875 JNIEXPORT jint JNICALL
876 Java_org_simgrid_msg_MsgNative_processKillAll(JNIEnv * env, jclass cls,
879 return (jint) MSG_process_killall((int) jresetPID);
882 JNIEXPORT void JNICALL
883 Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls,
884 jstring jplatformFile)
887 const char *platformFile =
888 (*env)->GetStringUTFChars(env, jplatformFile, 0);
890 MSG_create_environment(platformFile);
892 (*env)->ReleaseStringUTFChars(env, jplatformFile, platformFile);
895 JNIEXPORT void JNICALL
896 Java_org_simgrid_msg_MsgNative_processExit(JNIEnv * env, jclass cls,
900 m_process_t process = jprocess_to_native_process(jprocess, env);
903 jxbt_throw_notbound(env, "process", jprocess);
907 smx_ctx_java_stop(MSG_process_get_smx_ctx(process));
910 JNIEXPORT void JNICALL
911 Java_org_simgrid_msg_Msg_info(JNIEnv * env, jclass cls, jstring js)
913 const char *s = (*env)->GetStringUTFChars(env, js, 0);
915 (*env)->ReleaseStringUTFChars(env, js, s);
918 JNIEXPORT jobjectArray JNICALL
919 Java_org_simgrid_msg_MsgNative_allHosts(JNIEnv * env, jclass cls_arg)
927 xbt_dynar_t table = MSG_hosts_as_dynar();
928 int count = xbt_dynar_length(table);
930 jclass cls = jxbt_get_class(env, "org/simgrid/msg/Host");
936 jtable = (*env)->NewObjectArray(env, (jsize) count, cls, NULL);
939 jxbt_throw_jni(env, "Hosts table allocation failed");
943 for (index = 0; index < count; index++) {
944 host = xbt_dynar_get_as(table,index,m_host_t);
945 jhost = (jobject) (MSG_host_get_data(host));
948 jname = (*env)->NewStringUTF(env, MSG_host_get_name(host));
951 Java_org_simgrid_msg_MsgNative_hostGetByName(env, cls_arg, jname);
952 /* FIXME: leak of jname ? */
955 (*env)->SetObjectArrayElement(env, jtable, index, jhost);
957 xbt_dynar_free(&table);
961 JNIEXPORT void JNICALL
962 Java_org_simgrid_msg_MsgNative_taskSend(JNIEnv * env, jclass cls,
963 jstring jalias, jobject jtask,
968 const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
970 m_task_t task = jtask_to_native_task(jtask, env);
974 (*env)->ReleaseStringUTFChars(env, jalias, alias);
975 jxbt_throw_notbound(env, "task", jtask);
979 /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
980 MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
981 rv = MSG_task_send_with_timeout(task, alias, (double) jtimeout);
983 (*env)->ReleaseStringUTFChars(env, jalias, alias);
985 jxbt_check_res("MSG_task_send_with_timeout()", rv,
986 MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
987 bprintf("while sending task %s to mailbox %s",
988 MSG_task_get_name(task), alias));
991 static void msg_task_cancel_on_failed_dsend(void*t) {
993 JNIEnv *env =get_current_thread_env();
994 jobject jtask_global = MSG_task_get_data(task);
996 /* Destroy the global ref so that the JVM can free the stuff */
997 (*env)->DeleteGlobalRef(env, jtask_global);
998 MSG_task_set_data(task, NULL);
999 MSG_task_destroy(task);
1002 JNIEXPORT void JNICALL
1003 Java_org_simgrid_msg_MsgNative_taskDSend(JNIEnv * env, jclass cls,
1004 jstring jalias, jobject jtask)
1007 const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
1009 m_task_t task = jtask_to_native_task(jtask, env);
1013 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1014 jxbt_throw_notbound(env, "task", jtask);
1018 /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
1019 MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
1020 MSG_task_dsend(task, alias, msg_task_cancel_on_failed_dsend);
1022 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1026 JNIEXPORT void JNICALL
1027 Java_org_simgrid_msg_MsgNative_taskSendBounded(JNIEnv * env, jclass cls,
1028 jstring jalias, jobject jtask,
1031 m_task_t task = jtask_to_native_task(jtask, env);
1036 jxbt_throw_notbound(env, "task", jtask);
1040 alias = (*env)->GetStringUTFChars(env, jalias, 0);
1042 /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
1043 MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
1044 rv = MSG_task_send_bounded(task, alias, (double) jmaxRate);
1046 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1048 jxbt_check_res("MSG_task_send_bounded()", rv,
1049 MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
1051 ("while sending task %s to mailbox %s with max rate %f",
1052 MSG_task_get_name(task), alias, (double) jmaxRate));
1056 JNIEXPORT jobject JNICALL
1057 Java_org_simgrid_msg_MsgNative_taskReceive(JNIEnv * env, jclass cls,
1058 jstring jalias, jdouble jtimeout,
1062 m_task_t task = NULL;
1063 m_host_t host = NULL;
1064 jobject jtask_global, jtask_local;
1068 host = jhost_get_native(env, jhost);
1071 jxbt_throw_notbound(env, "host", jhost);
1076 alias = (*env)->GetStringUTFChars(env, jalias, 0);
1078 rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
1082 jxbt_throw_time_out_failure(env,NULL);
1084 case MSG_TRANSFER_FAILURE:
1085 jxbt_throw_transfer_failure(env,NULL);
1087 case MSG_HOST_FAILURE:
1088 jxbt_throw_host_failure(env,NULL);
1091 jxbt_throw_native(env,bprintf("receive failed"));
1095 jtask_global = MSG_task_get_data(task);
1097 /* Convert the global ref into a local ref so that the JVM can free the stuff */
1098 jtask_local = (*env)->NewLocalRef(env, jtask_global);
1099 (*env)->DeleteGlobalRef(env, jtask_global);
1100 MSG_task_set_data(task, NULL);
1102 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1104 jxbt_check_res("MSG_task_receive_ext()", rv,
1105 MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
1106 bprintf("while receiving from mailbox %s", alias));
1108 return (jobject) jtask_local;
1111 JNIEXPORT jboolean JNICALL
1112 Java_org_simgrid_msg_MsgNative_taskListen(JNIEnv * env, jclass cls,
1119 alias = (*env)->GetStringUTFChars(env, jalias, 0);
1121 rv = MSG_task_listen(alias);
1123 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1125 return (jboolean) rv;
1128 JNIEXPORT jint JNICALL
1129 Java_org_simgrid_msg_MsgNative_taskListenFromHost(JNIEnv * env, jclass cls,
1136 m_host_t host = jhost_get_native(env, jhost);
1139 jxbt_throw_notbound(env, "host", jhost);
1142 alias = (*env)->GetStringUTFChars(env, jalias, 0);
1144 rv = MSG_task_listen_from_host(alias, host);
1146 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1151 JNIEXPORT jint JNICALL
1152 Java_org_simgrid_msg_MsgNative_taskListenFrom(JNIEnv * env, jclass cls,
1157 const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
1159 rv = MSG_task_listen_from(alias);
1161 (*env)->ReleaseStringUTFChars(env, jalias, alias);
1166 JNIEXPORT void JNICALL
1167 Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls,
1168 jstring jdeploymentFile)
1171 const char *deploymentFile =
1172 (*env)->GetStringUTFChars(env, jdeploymentFile, 0);
1174 surf_parse_reset_callbacks();
1176 surfxml_add_callback(STag_surfxml_process_cb_list,
1177 japplication_handler_on_begin_process);
1179 surfxml_add_callback(ETag_surfxml_argument_cb_list,
1180 japplication_handler_on_process_arg);
1182 surfxml_add_callback(STag_surfxml_prop_cb_list,
1183 japplication_handler_on_property);
1185 surfxml_add_callback(ETag_surfxml_process_cb_list,
1186 japplication_handler_on_end_process);
1188 surf_parse_open(deploymentFile);
1190 japplication_handler_on_start_document();
1193 jxbt_throw_jni(env, "surf_parse() failed");
1197 japplication_handler_on_end_document();
1199 (*env)->ReleaseStringUTFChars(env, jdeploymentFile, deploymentFile);