#include "jxbt_utilities.h"
#include <msg/msg.h>
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
-void jcomm_bind_task(JNIEnv *env, jobject jcomm) {
- jfieldID id_receiving = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "receiving", "Z");
- jclass jclass = jxbt_get_class(env,"org/simgrid/msg/Comm");
- jfieldID id_task = jxbt_get_jfield(env, jclass, "task", "Lorg/simgrid/msg/Task;");
- jfieldID id_comm = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
- msg_comm_t comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, id_comm);
+static jfieldID jtask_field_Comm_task;
+static jfieldID jcomm_field_Comm_bind;
+static jfieldID jcomm_field_Comm_taskBind;
+static jfieldID jcomm_field_Comm_receiving;
+void jcomm_bind_task(JNIEnv *env, jobject jcomm) {
+ msg_comm_t comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind);
//test if we are receiving or sending a task.
- jboolean jreceiving = (*env)->GetBooleanField(env, jcomm, id_receiving);
+ jboolean jreceiving = (*env)->GetBooleanField(env, jcomm, jcomm_field_Comm_receiving);
if (jreceiving == JNI_TRUE) {
//bind the task object.
m_task_t task = MSG_comm_get_task(comm);
xbt_assert(task != NULL, "Task is NULL");
jobject jtask_global = MSG_task_get_data(task);
//case where the data has already been retrieved
- if (jtask_global == NULL)
- {
+ if (jtask_global == NULL) {
return;
}
jobject jtask_local = (*env)->NewLocalRef(env, jtask_global);
(*env)->DeleteGlobalRef(env, jtask_global);
- (*env)->SetObjectField(env, jcomm, id_task, jtask_local);
+ (*env)->SetObjectField(env, jcomm, jtask_field_Comm_task, jtask_local);
MSG_task_set_data(task, NULL);
}
jxbt_throw_native(env,bprintf("communication failed"));
}
}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_Comm_nativeInit(JNIEnv *env, jclass cls) {
+ jclass jfield_class_Comm = (*env)->FindClass(env, "org/simgrid/msg/Comm");
+ if (!jfield_class_Comm) {
+ jxbt_throw_native(env,bprintf("Can't find the org/simgrid/msg/Comm class."));
+ return;
+ }
+ jcomm_field_Comm_bind = jxbt_get_jfield(env, jfield_class_Comm, "bind", "J");
+ jcomm_field_Comm_taskBind = jxbt_get_jfield(env, jfield_class_Comm, "taskBind", "J");
+ jcomm_field_Comm_receiving = jxbt_get_jfield(env, jfield_class_Comm, "receiving", "Z");
+ jtask_field_Comm_task = jxbt_get_jfield(env, jfield_class_Comm, "task", "Lorg/simgrid/msg/Task;");
+ if (!jcomm_field_Comm_bind || !jcomm_field_Comm_taskBind || !jcomm_field_Comm_receiving || !jtask_field_Comm_task) {
+ jxbt_throw_native(env,bprintf("Can't find some fields in Java class."));
+ }
+}
+
JNIEXPORT void JNICALL
Java_org_simgrid_msg_Comm_unbind(JNIEnv *env, jobject jcomm) {
- jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
- jfieldID id_task = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bindTask", "J");
msg_comm_t comm;
m_task_t *task_received;
- if (!id || !id_task)
- return;
- task_received = (m_task_t*) (long) (*env)->GetLongField(env, jcomm, id_task);
- if (task_received != NULL) {
- xbt_free(task_received);
- }
+ task_received = (m_task_t*) (long) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_taskBind);
+ xbt_free(task_received);
- comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, id);
+ comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind);
MSG_comm_destroy(comm);
}
JNIEXPORT jboolean JNICALL
Java_org_simgrid_msg_Comm_test(JNIEnv *env, jobject jcomm) {
msg_comm_t comm;
+ comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind);
- jfieldID idComm = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
- jclass jclass = jxbt_get_class(env,"org/simgrid/msg/Comm");
- jfieldID idTask = jxbt_get_jfield(env, jclass, "task", "Lorg/simgrid/msg/Task;");
-
-
- if (!jclass || !idComm || !idTask) {
- jxbt_throw_native(env,bprintf("idTask/idComm/jclass/idComm is null"));
- return JNI_FALSE;
- }
-
- comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, idComm);
if (!comm) {
jxbt_throw_native(env,bprintf("comm is null"));
return JNI_FALSE;
}
- if (MSG_comm_test(comm)) {
- MSG_error_t status = MSG_comm_get_status(comm);
- if (status == MSG_OK) {
- jcomm_bind_task(env,jcomm);
- return JNI_TRUE;
+ TRY {
+ if (MSG_comm_test(comm)) {
+ MSG_error_t status = MSG_comm_get_status(comm);
+ if (status == MSG_OK) {
+ jcomm_bind_task(env,jcomm);
+ return JNI_TRUE;
+ }
+ else {
+ //send the correct exception
+ jcomm_throw(env,status);
+ return JNI_FALSE;
+ }
}
else {
- //send the correct exception
- jcomm_throw(env,status);
return JNI_FALSE;
}
}
- else {
- return JNI_FALSE;
+ CATCH_ANONYMOUS {
+
}
+ return JNI_FALSE;
}
JNIEXPORT void JNICALL
Java_org_simgrid_msg_Comm_waitCompletion(JNIEnv *env, jobject jcomm, jdouble timeout) {
- jclass jclass = jxbt_get_class(env,"org/simgrid/msg/Comm");
- jfieldID id_comm = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
- jfieldID id_task = jxbt_get_jfield(env, jclass, "task", "Lorg/simgrid/msg/Task;");
- jfieldID id_receiving = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "receiving", "Z");
-
- if (!jclass || !id_comm || !id_task || !id_receiving) {
- jxbt_throw_native(env,bprintf("idTask/idComm/jclass/idComm is null"));
- return;
- }
-
- msg_comm_t comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, id_comm);
+ msg_comm_t comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind);
if (!comm) {
jxbt_throw_native(env,bprintf("comm is null"));
return;
}
-
- MSG_error_t status = MSG_comm_wait(comm,(double)timeout);
+ MSG_error_t status;
+ TRY {
+ status = MSG_comm_wait(comm,(double)timeout);
+ }
+ CATCH_ANONYMOUS {
+ return;
+ }
if (status == MSG_OK) {
jcomm_bind_task(env,jcomm);
return;
