-/*
- * $Id$
- *
- * Copyright 2006,2007 Martin Quinson, Malek Cherier All right 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.
- *
- * This contains the implementation of the wrapper functions used to interface
- * the java object with the native functions of the MSG API.
- */
+/* Java Wrappers to the MSG API. */
+
+/* Copyright (c) 2007, 2008, 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 "msg/msg.h"
#include "msg/private.h"
#include "simix/private.h"
#include "jmsg_application_handler.h"
#include "jxbt_utilities.h"
-
#include "jmsg.h"
-
#include "msg/mailbox.h"
-
#include "surf/surfxml_parse.h"
-
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
static JavaVM *__java_vm = NULL;
(process->simdata->s_process->context))->jprocess;
}
-
/*
* The MSG process connected functions implementation.
*/
JNIEXPORT void JNICALL
Java_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
- jobject jprocess_arg, jobject jhost)
+ jobject jprocess_arg,
+ jobject jhost)
{
jobject jprocess; /* the global reference to the java process instance */
jstring jname; /* the name of the java process instance */
msg_mailbox_t mailbox;
DEBUG4
- ("Java_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,jhost=%p)",
- env, cls, jprocess_arg, jhost);
+ ("Java_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,jhost=%p)",
+ env, cls, jprocess_arg, jhost);
/* get the name of the java process */
jname = jprocess_get_name(jprocess_arg, env);
/* create a new context */
DEBUG8
- ("fill in process %s/%s (pid=%d) %p (sd=%p, host=%p, host->sd=%p); env=%p",
- process->name, process->simdata->m_host->name, process->simdata->PID,
- process, process->simdata, process->simdata->m_host,
- process->simdata->m_host->simdata, env);
-
- process->simdata->s_process =
- SIMIX_process_create(process->name, (xbt_main_func_t)jprocess,
- /*data */ (void *) process,
- process->simdata->m_host->simdata->smx_host->name,
- 0, NULL, NULL);
-
+ ("fill in process %s/%s (pid=%d) %p (sd=%p, host=%p, host->sd=%p); env=%p",
+ process->name, process->simdata->m_host->name,
+ process->simdata->PID, process, process->simdata,
+ process->simdata->m_host, process->simdata->m_host->simdata, env);
+
+ process->simdata->s_process =
+ SIMIX_process_create(process->name, (xbt_main_func_t) jprocess,
+ /*data */ (void *) process,
+ process->simdata->m_host->simdata->
+ smx_host->name, 0, NULL, NULL);
+
DEBUG1("context created (s_process=%p)", process->simdata->s_process);
if (SIMIX_process_self()) { /* someone created me */
- process->simdata->PPID = MSG_process_get_PID(SIMIX_process_self()->data);
+ process->simdata->PPID =
+ MSG_process_get_PID(SIMIX_process_self()->data);
} else {
process->simdata->PPID = -1;
}
/* add the process to the list of the processes of the simulation */
xbt_fifo_unshift(msg_global->process_list, process);
- sprintf(alias, "%s:%s", (process->simdata->m_host->simdata->smx_host)->name,
+ sprintf(alias, "%s:%s",
+ (process->simdata->m_host->simdata->smx_host)->name,
process->name);
mailbox = MSG_mailbox_new(alias);
-
+
}
JNIEXPORT void JNICALL
}
/* try to suspend the process */
- if (MSG_OK != MSG_process_suspend(process))
- jxbt_throw_native(env, xbt_strdup("MSG_process_suspend() failed"));
+ 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
}
/* try to resume the process */
- if (MSG_OK != MSG_process_resume(process))
- jxbt_throw_native(env, xbt_strdup("MSG_process_resume() failed"));
+ 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
host = MSG_process_get_host(process);
- if (!host->data) {
- jxbt_throw_native(env, xbt_strdup("MSG_process_get_host() failed"));
+ if (!MSG_host_get_data(host)) {
+ jxbt_throw_jni(env, "MSG_process_get_host() failed");
return NULL;
}
/* return the global reference to the java host instance */
- return (jobject) host->data;
+ return (jobject) MSG_host_get_data(host);
}
JNIEXPORT jobject JNICALL
-Java_simgrid_msg_MsgNative_processFromPID(JNIEnv * env, jclass cls, jint PID)
+Java_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", PID));
+ jxbt_throw_process_not_found(env, bprintf("PID = %d",(int) PID));
return NULL;
}
if (!native_to_java_process(process)) {
- jxbt_throw_native(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
+ jxbt_throw_jni(env, "SIMIX_process_get_jprocess() failed");
return NULL;
}
jobject jprocess;
if (!process) {
- jxbt_throw_native(env, xbt_strdup("MSG_process_self() failed"));
+ jxbt_throw_jni(env, xbt_strdup("MSG_process_self() failed"));
return NULL;
}
jprocess = native_to_java_process(process);
if (!jprocess)
- jxbt_throw_native(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
+ jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
return jprocess;
}
}
/* try to change the host of the process */
- if (MSG_OK != MSG_process_change_host(host))
- jxbt_throw_native(env, xbt_strdup("MSG_process_change_host() failed"));
+ MSG_error_t rv = MSG_process_change_host(host);
+
+ jxbt_check_res("MSG_process_change_host()", rv, MSG_OK,
+ bprintf("unexpected error , please report this bug"));
+
}
JNIEXPORT void JNICALL
Java_simgrid_msg_MsgNative_processWaitFor(JNIEnv * env, jclass cls,
jdouble seconds)
{
- if (MSG_OK != MSG_process_sleep((double) seconds))
- jxbt_throw_native(env,
- bprintf("MSG_process_change_host(%f) failed",
- (double) 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));
+
}
return NULL;
}
- if (!host->data) { /* native host not associated yet with java host */
+ if (!MSG_host_get_data(host)) { /* native host not associated yet with java host */
/* instanciate a new java host */
jhost = jhost_new_instance(env);
/* the native host data field is set with the global reference to the
* java host returned by this function
*/
- host->data = (void *) jhost;
+ MSG_host_set_data(host, (void *) jhost);
}
/* return the global reference to the java host instance */
- return (jobject) host->data;
+ return (jobject) MSG_host_get_data(host);
}
JNIEXPORT jstring JNICALL
return NULL;
}
- return (*env)->NewStringUTF(env, host->name);
+ return (*env)->NewStringUTF(env, MSG_host_get_name(host));
}
JNIEXPORT jint JNICALL
m_host_t host = MSG_host_self();
- if (!host->data) {
+ if (!MSG_host_get_data(host)) {
/* the native host not yet associated with the java host instance */
/* instanciate a new java host instance */
/* Bind & store it */
jhost_bind(jhost, host, env);
- host->data = (void *) jhost;
+ MSG_host_set_data(host, (void *) jhost);
} else {
- jhost = (jobject) host->data;
+ jhost = (jobject) MSG_host_get_data(host);
}
return jhost;
***************************************************************************************/
JNIEXPORT void JNICALL
-Java_simgrid_msg_MsgNative_taskCreate(JNIEnv * env, jclass cls, jobject jtask,
- jstring jname, jdouble jcomputeDuration,
+Java_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 */
+ 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));
+ bprintf
+ ("Task ComputeDuration (%f) cannot be negative",
+ (double) jcomputeDuration));
return;
}
/* create the task */
task =
- MSG_task_create(name, (double) jcomputeDuration, (double) jmessageSize,
- NULL);
+ 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);
-
- /* allocate a new global reference to the java task instance */
- task->data = (void *) jtask_new_global_ref(jtask, env);
-
- if (!task->data)
- jxbt_throw_jni(env, "global ref allocation failed");
-
+ MSG_task_set_data(task, jtask);
}
JNIEXPORT void JNICALL
Java_simgrid_msg_MsgNative_parallel_taskCreate(JNIEnv * env, jclass cls,
- jobject jtask, jstring jname,
+ jobject jtask,
+ jstring jname,
jobjectArray jhosts,
jdoubleArray
jcomputeDurations_arg,
- jdoubleArray jmessageSizes_arg)
+ jdoubleArray
+ jmessageSizes_arg)
{
m_task_t task; /* the native parallel task to create */
if (!jmessageSizes_arg) {
jxbt_throw_null(env,
- xbt_strdup("Parallel task message sizes cannot be null"));
+ xbt_strdup
+ ("Parallel task message sizes cannot be null"));
return;
}
messageSizes = xbt_new0(double, host_count * host_count);
jcomputeDurations =
- (*env)->GetDoubleArrayElements(env, jcomputeDurations_arg, 0);
- jmessageSizes = (*env)->GetDoubleArrayElements(env, jmessageSizes_arg, 0);
+ (*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);
name = (*env)->GetStringUTFChars(env, jname, 0);
task =
- MSG_parallel_task_create(name, host_count, hosts, computeDurations,
- messageSizes, NULL);
+ 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);
- task->data = (void *) jtask;
+ MSG_task_set_data(task, (void *) jtask);
- if (!task->data)
+ if (!MSG_task_get_data(task))
jxbt_throw_jni(env, "global ref allocation failed");
}
host = MSG_task_get_source(task);
- if (!host->data) {
- jxbt_throw_native(env, xbt_strdup("MSG_task_get_source() failed"));
+ if (!MSG_host_get_data(host)) {
+ jxbt_throw_jni(env, "MSG_task_get_source() failed");
return NULL;
}
- return (jobject) host->data;
+ return (jobject) MSG_host_get_data(host);
}
return NULL;
}
- return (*env)->NewStringUTF(env, task->name);
+ return (*env)->NewStringUTF(env, MSG_task_get_name(task));
}
JNIEXPORT void JNICALL
-Java_simgrid_msg_MsgNative_taskCancel(JNIEnv * env, jclass cls, jobject jtask)
+Java_simgrid_msg_MsgNative_taskCancel(JNIEnv * env, jclass cls,
+ jobject jtask)
{
m_task_t ptask = jtask_to_native_task(jtask, env);
return;
}
- if (MSG_OK != MSG_task_cancel(ptask))
- jxbt_throw_native(env, xbt_strdup("MSG_task_cancel() failed"));
+ 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
}
JNIEXPORT jdouble JNICALL
-Java_simgrid_msg_MsgNative_taskGetRemainingDuration(JNIEnv * env, jclass cls,
+Java_simgrid_msg_MsgNative_taskGetRemainingDuration(JNIEnv * env,
+ jclass cls,
jobject jtask)
{
m_task_t ptask = jtask_to_native_task(jtask, env);
jxbt_throw_notbound(env, "task", task);
return;
}
- jtask = (jobject) task->data;
+ jtask = (jobject) MSG_task_get_data(task);
- if (MSG_OK != MSG_task_destroy(task))
- jxbt_throw_native(env, xbt_strdup("MSG_task_destroy() failed"));
+ MSG_error_t rv = MSG_task_destroy(task);
- /* delete the global reference to the java task object */
- jtask_delete_global_ref(jtask, env);
+ jxbt_check_res("MSG_task_destroy()", rv, MSG_OK,
+ bprintf("unexpected error , please report this bug"));
}
JNIEXPORT void JNICALL
return;
}
- if (MSG_OK != MSG_task_execute(task))
- jxbt_throw_native(env, xbt_strdup("MSG_task_execute() failed"));
+ MSG_error_t rv = MSG_task_execute(task);
+
+ jxbt_check_res("MSG_task_execute()", rv,
+ MSG_HOST_FAILURE | MSG_TASK_CANCELLED,
+ bprintf("while executing task %s",
+ MSG_task_get_name(task)));
}
/***************************************************************************************
JNIEXPORT void JNICALL
-Java_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) {
+Java_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs)
+{
char **argv = NULL;
int index;
int argc = 0;
jstring jval;
const char *tmp;
+ factory_initializer_to_use = SIMIX_ctx_java_factory_init;
+
if (jargs)
argc = (int) (*env)->GetArrayLength(env, jargs);
}
MSG_global_init(&argc, argv);
- SIMIX_context_select_factory("java");
for (index = 0; index < argc; index++)
free(argv[index]);
}
JNIEXPORT void JNICALL
- JNICALL Java_simgrid_msg_Msg_run(JNIEnv * env, jclass cls) {
- xbt_fifo_item_t item = NULL;
- m_host_t host = NULL;
+ JNICALL Java_simgrid_msg_Msg_run(JNIEnv * env, jclass cls)
+{
+ MSG_error_t rv;
+ int index; //xbt_fifo_item_t item = NULL;
+ m_host_t *hosts;
jobject jhost;
/* Run everything */
- if (MSG_OK != MSG_main()) {
- jxbt_throw_native(env, xbt_strdup("MSG_main() failed"));
- }
+ rv = MSG_main();
+ jxbt_check_res("MSG_main()", rv, MSG_OK,
+ bprintf
+ ("unexpected error : MSG_main() failed .. please report this bug "));
+
DEBUG0
- ("MSG_main finished. Bail out before cleanup since there is a bug in this part.");
+ ("MSG_main finished. Bail out before cleanup since there is a bug in this part.");
DEBUG0("Clean java world");
/* Cleanup java hosts */
- xbt_fifo_foreach(msg_global->host, item, host, m_host_t) {
- jhost = (jobject) host->data;
-
+ hosts = MSG_get_host_table();
+ for (index = 0; index < MSG_get_host_number() - 1; index++) {
+ jhost = (jobject) hosts[index]->data;
if (jhost)
jhost_unref(env, jhost);
+
}
DEBUG0("Clean native world");
/* cleanup native stuff */
- if (MSG_OK != MSG_clean()){
- jxbt_throw_native(env, xbt_strdup("MSG_main() failed"));
- }
+ rv = MSG_OK != MSG_clean();
+ jxbt_check_res("MSG_clean()", rv, MSG_OK,
+ bprintf
+ ("unexpected error : MSG_clean() failed .. please report this bug "));
+
}
JNIEXPORT jint JNICALL
jstring jplatformFile)
{
- const char *platformFile = (*env)->GetStringUTFChars(env, jplatformFile, 0);
+ const char *platformFile =
+ (*env)->GetStringUTFChars(env, jplatformFile, 0);
MSG_create_environment(platformFile);
jstring jname;
m_host_t host;
- int count = xbt_fifo_size(msg_global->host);
- m_host_t *table = (m_host_t *) xbt_fifo_to_array(msg_global->host);
+ int count = MSG_get_host_number();
+ m_host_t *table = MSG_get_host_table();
jclass cls = jxbt_get_class(env, "simgrid/msg/Host");
for (index = 0; index < count; index++) {
host = table[index];
- jhost = (jobject) (host->data);
+ jhost = (jobject) (MSG_host_get_data(host));
if (!jhost) {
- jname = (*env)->NewStringUTF(env, host->name);
+ jname = (*env)->NewStringUTF(env, MSG_host_get_name(host));
- jhost = Java_simgrid_msg_MsgNative_hostGetByName(env, cls_arg, jname);
+ jhost =
+ Java_simgrid_msg_MsgNative_hostGetByName(env, cls_arg, jname);
/* FIXME: leak of jname ? */
}
return jtable;
}
-
-JNIEXPORT void JNICALL
-Java_simgrid_msg_MsgNative_selectContextFactory(JNIEnv * env, jclass class,
- jstring jname)
-{
- char *errmsg = NULL;
- xbt_ex_t e;
-
- /* get the C string from the java string */
- const char *name = (*env)->GetStringUTFChars(env, jname, 0);
-
- TRY {
- SIMIX_context_select_factory(name);
- } CATCH(e) {
- errmsg = xbt_strdup(e.msg);
- xbt_ex_free(e);
- }
-
- (*env)->ReleaseStringUTFChars(env, jname, name);
-
- if (errmsg) {
- char *thrown = bprintf("xbt_select_context_factory() failed: %s", errmsg);
- free(errmsg);
- jxbt_throw_native(env, thrown);
- }
-}
-
JNIEXPORT void JNICALL
Java_simgrid_msg_MsgNative_taskSend(JNIEnv * env, jclass cls,
jstring jalias, jobject 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));
rv = MSG_task_send_with_timeout(task, alias, (double) jtimeout);
(*env)->ReleaseStringUTFChars(env, jalias, alias);
- /* FIXME throw the right exception corresponding to HostFailureException, TransferFailureException, TimeoutFailureException
- * Note: these exceptions must be created beforehand
- * then, you want to create some functions like jxbt_throw_notbound()
- * then, you must declare in the MsgNative stuff that these native functions can throw these exceptions
- */
- if (MSG_OK != rv)
- jxbt_throw_native(env, xbt_strdup("MSG_task_send_with_timeout() failed"));
-
+ jxbt_check_res("MSG_task_send_with_timeout()", rv,
+ MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
+ bprintf("while sending task %s to mailbox %s",
+ MSG_task_get_name(task), alias));
}
JNIEXPORT void JNICALL
alias = (*env)->GetStringUTFChars(env, jalias, 0);
+ /* 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));
rv = MSG_task_send_bounded(task, alias, (double) jmaxRate);
(*env)->ReleaseStringUTFChars(env, jalias, alias);
- if (MSG_OK != rv)
- jxbt_throw_native(env, xbt_strdup("MSG_task_send_bounded() failed"));
+ jxbt_check_res("MSG_task_send_bounded()", rv,
+ MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
+ bprintf
+ ("while sending task %s to mailbox %s with max rate %f",
+ MSG_task_get_name(task), alias, (double) jmaxRate));
+
}
JNIEXPORT jobject JNICALL
MSG_error_t rv;
m_task_t task = NULL;
m_host_t host = NULL;
+ jobject jtask_global, jtask_local;
const char *alias;
if (jhost) {
alias = (*env)->GetStringUTFChars(env, jalias, 0);
rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
+ 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);
- if (MSG_OK != rv) {
- jxbt_throw_native(env, xbt_strdup("MSG_task_receive_ext() failed"));
- return NULL;
- }
+ jxbt_check_res("MSG_task_receive_ext()", rv,
+ MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
+ bprintf("while receiving from mailbox %s", alias));
- return (jobject) task->data;
+ return (jobject) jtask_local;
}
JNIEXPORT jboolean JNICALL
JNIEXPORT jint JNICALL
Java_simgrid_msg_MsgNative_taskListenFromHost(JNIEnv * env, jclass cls,
- jstring jalias, jobject jhost)
+ jstring jalias,
+ jobject jhost)
{
-
int rv;
const char *alias;
jxbt_throw_notbound(env, "host", jhost);
return -1;
}
-
alias = (*env)->GetStringUTFChars(env, jalias, 0);
rv = MSG_task_listen_from_host(alias, host);
{
const char *deploymentFile =
- (*env)->GetStringUTFChars(env, jdeploymentFile, 0);
+ (*env)->GetStringUTFChars(env, jdeploymentFile, 0);
surf_parse_reset_parser();
japplication_handler_on_start_document();
if (surf_parse())
- jxbt_throw_native(env, xbt_strdup("surf_parse() failed"));
+ jxbt_throw_jni(env, "surf_parse() failed");
surf_parse_close();
