X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/97755d8d350bdbc4e23d80a8ab70e17314b86db6..27d8dc3659e116a12b48fbde02eb4d6ae27f6328:/src/bindings/java/jmsg_file.cpp diff --git a/src/bindings/java/jmsg_file.cpp b/src/bindings/java/jmsg_file.cpp new file mode 100644 index 0000000000..6e7d204481 --- /dev/null +++ b/src/bindings/java/jmsg_file.cpp @@ -0,0 +1,56 @@ +/* Functions related to the java file API. */ + +/* Copyright (c) 2012-2014. 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_file.h" +#include "jxbt_utilities.h" + +void jfile_bind(JNIEnv *env, jobject jfile, msg_file_t fd) { + env->SetLongField(jfile, jfile_field_bind, (intptr_t)fd); +} + +msg_file_t jfile_get_native(JNIEnv *env, jobject jfile) { + msg_file_t file = + (msg_file_t)(intptr_t)env->GetLongField(jfile, jfile_field_bind); + return file; +} + +JNIEXPORT void JNICALL +Java_org_simgrid_msg_File_nativeInit(JNIEnv *env, jclass cls) { + jclass class_File = env->FindClass("org/simgrid/msg/File"); + jfile_field_bind = jxbt_get_jfield(env , class_File, "bind", "J"); + xbt_assert((jfile_field_bind != NULL), "Can't find \"bind\" field in File class."); +} +JNIEXPORT void JNICALL +Java_org_simgrid_msg_File_open(JNIEnv *env, jobject jfile, jobject jpath) { + const char *path = env->GetStringUTFChars((jstring) jpath, 0); + msg_file_t file; + + file = MSG_file_open(path, NULL); + jfile_bind(env, jfile, file); + + env->ReleaseStringUTFChars((jstring) jpath, path); +} +JNIEXPORT jlong JNICALL +Java_org_simgrid_msg_File_read(JNIEnv *env, jobject jfile, jlong jsize) { + msg_file_t file = jfile_get_native(env, jfile); + return (jlong)MSG_file_read(file, (sg_size_t)jsize); +} + +JNIEXPORT jlong JNICALL +Java_org_simgrid_msg_File_write(JNIEnv *env, jobject jfile, jlong jsize) { + msg_file_t file = jfile_get_native(env, jfile); + return (jlong)MSG_file_write(file, (sg_size_t)jsize); +} +JNIEXPORT void JNICALL +Java_org_simgrid_msg_File_close(JNIEnv *env, jobject jfile) { + msg_file_t file = jfile_get_native(env, jfile); + + MSG_file_close(file); + jfile_bind(env, jfile, NULL); +} +