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