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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file nrLDPC_load.c
* \brief: load library implementing coding/decoding algorithms
* \author Francois TABURET
* \date 2020
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#define _GNU_SOURCE
#include <sys/types.h>
#include <stdlib.h>
#include <malloc.h>
#include "assertions.h"
#include "common/utils/LOG/log.h"
#include "PHY/CODING/nrLDPC_extern.h"
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
/* arguments used when called from phy simulators exec's which do not use the config module */
/* arg is used to initialize the config module so that the loader works as expected */
char *arg[64]={"ldpctest",NULL};
int load_LDPClib(char *version, ldpc_interface_t *itf)
{
char *ptr = (char *)config_get_if();
char libname[64] = "ldpc";
if (ptr == NULL) { // phy simulators, config module possibly not loaded
uniqCfg = load_configmodule(1, arg, CONFIG_ENABLECMDLINEONLY);
logInit();
}
/* function description array, to be used when loading the encoding/decoding shared lib */
loader_shlibfunc_t shlib_fdesc[] = {{.fname = "LDPCinit"},
{.fname = "LDPCshutdown"},
{.fname = "LDPCdecoder"},
{.fname = "LDPCencoder"}};
int ret;
ret = load_module_version_shlib(libname, version, shlib_fdesc, sizeofArray(shlib_fdesc), NULL);
AssertFatal((ret >= 0), "Error loading ldpc decoder");
itf->LDPCinit = (LDPC_initfunc_t *)shlib_fdesc[0].fptr;
itf->LDPCshutdown = (LDPC_shutdownfunc_t *)shlib_fdesc[1].fptr;
itf->LDPCdecoder = (LDPC_decoderfunc_t *)shlib_fdesc[2].fptr;
itf->LDPCencoder = (LDPC_encoderfunc_t *)shlib_fdesc[3].fptr;
AssertFatal(itf->LDPCinit() == 0, "error starting LDPC library %s %s\n", libname, version);
return 0;
}
int free_LDPClib(ldpc_interface_t *ldpc_interface)
{
return ldpc_interface->LDPCshutdown();
}