X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/97755d8d350bdbc4e23d80a8ab70e17314b86db6..27d8dc3659e116a12b48fbde02eb4d6ae27f6328:/src/bindings/java/jmsg_comm.c diff --git a/src/bindings/java/jmsg_comm.c b/src/bindings/java/jmsg_comm.c deleted file mode 100644 index 061a5289f1..0000000000 --- a/src/bindings/java/jmsg_comm.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Functions related to the java comm instances */ - -/* Copyright (c) 2012-2015. 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 "jmsg_comm.h" -#include "jxbt_utilities.h" -#include "jmsg.h" - -#include -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg); - -static jfieldID jcomm_field_Comm_bind; -static jfieldID jcomm_field_Comm_finished; -static jfieldID jcomm_field_Comm_receiving; -static jfieldID jtask_field_Comm_task; -static jfieldID jcomm_field_Comm_taskBind; - -void jcomm_bind_task(JNIEnv *env, jobject jcomm) { - msg_comm_t comm = (msg_comm_t) (uintptr_t) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind); - //test if we are receiving or sending a task. - jboolean jreceiving = (*env)->GetBooleanField(env, jcomm, jcomm_field_Comm_receiving); - if (jreceiving == JNI_TRUE) { - //bind the task object. - msg_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) { - return; - } - - //Make sure the data will be correctly gc. - jobject jtask_local = (*env)->NewLocalRef(env, jtask_global); - (*env)->DeleteGlobalRef(env, jtask_global); - - (*env)->SetObjectField(env, jcomm, jtask_field_Comm_task, jtask_local); - - MSG_task_set_data(task, NULL); - } - -} - -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;"); - jcomm_field_Comm_finished = jxbt_get_jfield(env, jfield_class_Comm, "finished", "Z"); - if (!jcomm_field_Comm_bind || !jcomm_field_Comm_taskBind || !jcomm_field_Comm_receiving || !jtask_field_Comm_task || !jcomm_field_Comm_finished) { - jxbt_throw_native(env,bprintf("Can't find some fields in Java class.")); - } -} - -JNIEXPORT void JNICALL -Java_org_simgrid_msg_Comm_nativeFinalize(JNIEnv *env, jobject jcomm) { - msg_comm_t comm; - msg_task_t *task_received; - - task_received = (msg_task_t*) (uintptr_t) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_taskBind); - xbt_free(task_received); - - comm = (msg_comm_t) (uintptr_t) (*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) (uintptr_t) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind); - - jboolean finished = (*env)->GetBooleanField(env, jcomm, jcomm_field_Comm_finished); - if (finished == JNI_TRUE) { - return JNI_TRUE; - } - - 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; - } else { - //send the correct exception - jmsg_throw_status(env,status); - } - } - return JNI_FALSE; -} -JNIEXPORT void JNICALL -Java_org_simgrid_msg_Comm_waitCompletion(JNIEnv *env, jobject jcomm, jdouble timeout) { - msg_comm_t comm = (msg_comm_t) (uintptr_t) (*env)->GetLongField(env, jcomm, jcomm_field_Comm_bind); - if (!comm) { - jxbt_throw_native(env,bprintf("comm is null")); - return; - } - - jboolean finished = (*env)->GetBooleanField(env, jcomm, jcomm_field_Comm_finished); - if (finished == JNI_TRUE) { - return; - } - - msg_error_t status; - status = MSG_comm_wait(comm,(double)timeout); - (*env)->SetBooleanField(env, jcomm, jcomm_field_Comm_finished, JNI_TRUE); - if (status == MSG_OK) { - jcomm_bind_task(env,jcomm); - return; - } - else { - jmsg_throw_status(env,status); - } - -}