#include "jmsg_task.h"
#include "jxbt_utilities.h"
-void jtask_bind(jobject jtask, m_task_t task, JNIEnv * env)
-{
- jfieldID id = jxbt_get_sfield(env, "simgrid/msg/Task", "bind", "J");
+#include <msg/msg.h>
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
- if (!id)
- return;
+static jmethodID jtask_field_Comm_constructor;
- (*env)->SetLongField(env, jtask, id, (jlong) (long) (task));
+static jfieldID jtask_field_Task_bind;
+static jfieldID jtask_field_Comm_bind;
+static jfieldID jtask_field_Comm_taskBind;
+static jfieldID jtask_field_Comm_receiving;
+
+void jtask_bind(jobject jtask, m_task_t task, JNIEnv * env)
+{
+ (*env)->SetLongField(env, jtask, jtask_field_Task_bind, (jlong) (long) (task));
}
m_task_t jtask_to_native_task(jobject jtask, JNIEnv * env)
{
- jfieldID id = jxbt_get_sfield(env, "simgrid/msg/Task", "bind", "J");
-
- if (!id)
- return NULL;
-
- return (m_task_t) (long) (*env)->GetLongField(env, jtask, id);
+ return (m_task_t) (long) (*env)->GetLongField(env, jtask, jtask_field_Task_bind);
}
jboolean jtask_is_valid(jobject jtask, JNIEnv * env)
{
- jfieldID id = jxbt_get_sfield(env, "simgrid/msg/Task", "bind", "J");
+ return (*env)->GetLongField(env, jtask, jtask_field_Task_bind) ? JNI_TRUE : JNI_FALSE;
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_Task_nativeInit(JNIEnv *env, jclass cls) {
+ jclass jtask_class_Comm = (*env)->FindClass(env, "org/simgrid/msg/Comm");
+
+ jtask_field_Comm_constructor = (*env)->GetMethodID(env, jtask_class_Comm, "<init>", "()V");
+ //FIXME: Don't use jxbt_get_sfield directly.
+ jtask_field_Task_bind = jxbt_get_sfield(env, "org/simgrid/msg/Task", "bind", "J");
+ jtask_field_Comm_bind = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
+ jtask_field_Comm_taskBind = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "taskBind", "J");
+ jtask_field_Comm_receiving = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "receiving", "Z");
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_Task_irecv(JNIEnv * env, jclass cls, jstring jmailbox) {
+ msg_comm_t comm;
+ const char *mailbox;
+ jclass comm_class;
+ //pointer to store the task object pointer.
+ m_task_t *task = xbt_new(m_task_t,1);
+ *task = NULL;
+ /* There should be a cache here */
+ comm_class = (*env)->FindClass(env, "org/simgrid/msg/Comm");
+
+ if (!comm_class) {
+ jxbt_throw_native(env,bprintf("fieldID or methodID or class not found."));
+ return NULL;
+ }
+
+ jobject jcomm = (*env)->NewObject(env, comm_class, jtask_field_Comm_constructor);
+ if (!jcomm) {
+ jxbt_throw_native(env,bprintf("Can't create a Comm object."));
+ return NULL;
+ }
+
+ mailbox = (*env)->GetStringUTFChars(env, jmailbox, 0);
+
+ comm = MSG_task_irecv(task,mailbox);
+
+ (*env)->SetLongField(env, jcomm, jtask_field_Comm_bind, (jlong) (long)(comm));
+ (*env)->SetLongField(env, jcomm, jtask_field_Comm_taskBind, (jlong) (long)(task));
+ (*env)->SetBooleanField(env, jcomm, jtask_field_Comm_receiving, JNI_TRUE);
+
+ (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
+
+ return jcomm;
+}
+
+JNIEXPORT jobject JNICALL
+Java_org_simgrid_msg_Task_isend(JNIEnv *env, jobject jtask, jstring jmailbox) {
+ jclass comm_class;
+
+ const char *mailbox;
+
+ m_task_t task;
+
+ jobject jcomm;
+ msg_comm_t comm;
+
+ comm_class = (*env)->FindClass(env, "org/simgrid/msg/Comm");
+
+ if (!comm_class) return NULL;
+
+ jcomm = (*env)->NewObject(env, comm_class, jtask_field_Comm_constructor);
+ mailbox = (*env)->GetStringUTFChars(env, jmailbox, 0);
+
+ task = jtask_to_native_task(jtask, env);
+
+ if (!task) {
+ (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
+ (*env)->DeleteLocalRef(env, jcomm);
+ jxbt_throw_notbound(env, "task", jtask);
+ return NULL;
+ }
+
+ MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
+ comm = MSG_task_isend(task,mailbox);
+
+ (*env)->SetLongField(env, jcomm, jtask_field_Comm_bind, (jlong) (long)(comm));
+ (*env)->SetLongField(env, jcomm, jtask_field_Comm_taskBind, (jlong) (long)(NULL));
+ (*env)->SetBooleanField(env, jcomm, jtask_field_Comm_receiving, JNI_FALSE);
- if (!id)
- return JNI_FALSE;
+ (*env)->ReleaseStringUTFChars(env, jmailbox, mailbox);
- return (*env)->GetLongField(env, jtask, id) ? JNI_TRUE : JNI_FALSE;
+ return jcomm;
}
