/* * 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(); }