* under the terms of the license (GNU LGPL) which comes with this package. */
#include <msg/msg.h>
-#include <simix/context.h>
+#include <simgrid/simix.h>
#include <surf/surfxml_parse.h>
#include "smx_context_java.h"
#include "jmsg.h"
+/* Shut up some errors in eclipse online compiler. I wish such a pimple wouldn't be needed */
+#ifndef JNIEXPORT
+#define JNIEXPORT
+#endif
+#ifndef JNICALL
+#define JNICALL
+#endif
+/* end of eclipse-mandated pimple */
+
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
static JavaVM *__java_vm = NULL;
JNIEXPORT void JNICALL
Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
jobject jprocess_arg,
- jobject jhost)
+ 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 */
- XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,jhost=%p)",
- env, cls, jprocess_arg, jhost);
+ 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 */
}
/* bind/retrieve the msg host */
- host = jhost_get_native(env, jhost);
+ host = MSG_get_host_by_name(hostname);
if (!(host)) { /* not binded */
- jxbt_throw_notbound(env, "host", jhost);
+ jxbt_throw_host_not_found(env, hostname);
return;
}
(xbt_main_func_t) jprocess,
/*data*/ NULL,
host,
+ /* kill_time */-1,
/*argc, argv, properties*/
0,NULL,NULL);
/* 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_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)
return;
}
- /* delete the global reference */
- jprocess_delete_global_ref(native_to_java_process(process), env);
-
/* kill the native process (this wrapper is call by the destructor of the java
* process instance)
*/
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 (simdata=%p)", host,host? host->simdata:NULL);
+ 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);
if (!MSG_host_get_data(host)) { /* native host not associated yet with java host */
- /* instanciate a new java host */
+ /* Instantiate a new java host */
jhost = jhost_new_instance(env);
if (!jhost) {
JNIEXPORT jint JNICALL
Java_org_simgrid_msg_MsgNative_hostGetNumber(JNIEnv * env, jclass cls)
{
- return (jint) MSG_get_host_number();
+ 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
/* get the native task */
m_task_t task = jtask_to_native_task(jtask_arg, env);
- jobject jtask;
if (!task) {
jxbt_throw_notbound(env, "task", task);
return;
}
- jtask = (jobject) MSG_task_get_data(task);
MSG_error_t rv = MSG_task_destroy(task);
MSG_error_t rv = MSG_task_execute(task);
jxbt_check_res("MSG_task_execute()", rv,
- MSG_HOST_FAILURE | MSG_TASK_CANCELLED,
+ MSG_HOST_FAILURE | MSG_TASK_CANCELED,
bprintf("while executing task %s",
MSG_task_get_name(task)));
}
* Unsortable functions *
***************************************************************************************/
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_Msg_getErrCode(JNIEnv * env, jclass cls)
-{
- return (jint) MSG_get_errno();
-}
-
JNIEXPORT jdouble JNICALL
Java_org_simgrid_msg_Msg_getClock(JNIEnv * env, jclass cls)
{
argc = (int) (*env)->GetArrayLength(env, jargs);
argc++;
- argv = xbt_new0(char *, argc);
+ argv = xbt_new(char *, argc + 1);
argv[0] = strdup("java");
for (index = 0; index < argc - 1; index++) {
jval = (jstring) (*env)->GetObjectArrayElement(env, jargs, index);
tmp = (*env)->GetStringUTFChars(env, jval, 0);
argv[index + 1] = strdup(tmp);
- //argv[index] = strdup(tmp);
(*env)->ReleaseStringUTFChars(env, jval, tmp);
}
+ argv[argc] = NULL;
MSG_global_init(&argc, argv);
JNICALL Java_org_simgrid_msg_Msg_run(JNIEnv * env, jclass cls)
{
MSG_error_t rv;
- int index; //xbt_fifo_item_t item = NULL;
- m_host_t *hosts;
+ int index;
+ xbt_dynar_t hosts;
jobject jhost;
/* Run everything */
XBT_INFO("Clean java world");
/* Cleanup java hosts */
- hosts = MSG_get_host_table();
- for (index = 0; index < MSG_get_host_number() - 1; index++) {
- jhost = (jobject) hosts[index]->data;
+ hosts = MSG_hosts_as_dynar();
+ for (index = 0; index < xbt_dynar_length(hosts) - 1; index++) {
+ jhost = (jobject) MSG_host_get_data(xbt_dynar_get_as(hosts,index,m_host_t));
if (jhost)
jhost_unref(env, jhost);
}
-
+ xbt_dynar_free(&hosts);
XBT_INFO("Clean native world");
- /* cleanup native stuff */
- rv = MSG_OK != MSG_clean();
+}
+JNIEXPORT void JNICALL
+ JNICALL Java_org_simgrid_msg_Msg_clean(JNIEnv * env, jclass cls)
+{
+ /* cleanup native stuff. Calling it is ... useless since leaking memory at the end of the simulation is a non-issue */
+ MSG_error_t 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
Java_org_simgrid_msg_MsgNative_processKillAll(JNIEnv * env, jclass cls,
jint jresetPID)
jstring jname;
m_host_t host;
- int count = MSG_get_host_number();
- m_host_t *table = MSG_get_host_table();
+ xbt_dynar_t table = MSG_hosts_as_dynar();
+ int count = xbt_dynar_length(table);
jclass cls = jxbt_get_class(env, "org/simgrid/msg/Host");
}
for (index = 0; index < count; index++) {
- host = table[index];
+ host = xbt_dynar_get_as(table,index,m_host_t);
jhost = (jobject) (MSG_host_get_data(host));
if (!jhost) {
(*env)->SetObjectArrayElement(env, jtable, index, jhost);
}
-
+ xbt_dynar_free(&table);
return jtable;
}
MSG_task_get_name(task), alias));
}
+static void msg_task_cancel_on_failed_dsend(void*t) {
+ m_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_MsgNative_taskDSend(JNIEnv * env, jclass cls,
+ jstring jalias, jobject jtask)
+{
+
+ const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
+
+ m_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_MsgNative_taskSendBounded(JNIEnv * env, jclass cls,
jstring jalias, jobject jtask,
alias = (*env)->GetStringUTFChars(env, jalias, 0);
rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
+ if (rv != MSG_OK) {
+ switch (rv) {
+ case MSG_TIMEOUT:
+ jxbt_throw_time_out_failure(env,NULL);
+ break;
+ case MSG_TRANSFER_FAILURE:
+ jxbt_throw_transfer_failure(env,NULL);
+ break;
+ case MSG_HOST_FAILURE:
+ jxbt_throw_host_failure(env,NULL);
+ break;
+ default:
+ jxbt_throw_native(env,bprintf("receive failed"));
+ }
+ 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 */