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334 lines
11 KiB
C++
334 lines
11 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* \section LICENSE
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <iostream>
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#include <fstream>
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#include <errno.h>
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#include <signal.h>
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#include <boost/program_options.hpp>
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#include <boost/algorithm/string.hpp>
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#include "srslte/common/bcd_helpers.h"
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#include "mme/mme.h"
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#include "hss/hss.h"
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#include "spgw/spgw.h"
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using namespace std;
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using namespace srsepc;
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namespace bpo = boost::program_options;
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bool running = true;
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void
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sig_int_handler(int signo){
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running = false;
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}
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typedef struct {
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std::string s1ap_level;
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int s1ap_hex_limit;
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std::string gtpc_level;
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int gtpc_hex_limit;
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std::string spgw_level;
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int spgw_hex_limit;
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std::string hss_level;
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int hss_hex_limit;
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std::string all_level;
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int all_hex_limit;
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std::string filename;
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}log_args_t;
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typedef struct{
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mme_args_t mme_args;
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hss_args_t hss_args;
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spgw_args_t spgw_args;
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log_args_t log_args;
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}all_args_t;
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/**********************************************************************
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* Program arguments processing
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***********************************************************************/
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string config_file;
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void
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parse_args(all_args_t *args, int argc, char* argv[]) {
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string mme_name;
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string mme_code;
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string mme_group;
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string tac;
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string mcc;
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string mnc;
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string mme_bind_addr;
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string spgw_bind_addr;
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string sgi_if_addr;
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string hss_db_file;
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string hss_auth_algo;
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string log_filename;
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// Command line only options
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bpo::options_description general("General options");
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general.add_options()
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("help,h", "Produce help message")
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("version,v", "Print version information and exit")
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;
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// Command line or config file options
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bpo::options_description common("Configuration options");
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common.add_options()
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("mme.mme_code", bpo::value<string>(&mme_code)->default_value("0x01"), "MME Code")
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("mme.name", bpo::value<string>(&mme_name)->default_value("srsmme01"), "MME Name")
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("mme.mme_group", bpo::value<string>(&mme_group)->default_value("0x01"), "Cell ID")
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("mme.tac", bpo::value<string>(&tac)->default_value("0x0"), "Tracking Area Code")
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("mme.mcc", bpo::value<string>(&mcc)->default_value("001"), "Mobile Country Code")
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("mme.mnc", bpo::value<string>(&mnc)->default_value("01"), "Mobile Network Code")
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("mme.mme_bind_addr", bpo::value<string>(&mme_bind_addr)->default_value("127.0.0.1"),"IP address of MME for S1 connnection")
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("hss.db_file", bpo::value<string>(&hss_db_file)->default_value("ue_db.csv"),".csv file that stores UE's keys")
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("hss.auth_algo", bpo::value<string>(&hss_auth_algo)->default_value("milenage"),"HSS uthentication algorithm.")
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("spgw.gtpu_bind_addr", bpo::value<string>(&spgw_bind_addr)->default_value("127.0.0.1"),"IP address of SP-GW for the S1-U connection")
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("spgw.sgi_if_addr", bpo::value<string>(&sgi_if_addr)->default_value("176.16.0.1"),"IP address of TUN interface for the SGi connection")
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("log.s1ap_level", bpo::value<string>(&args->log_args.s1ap_level), "MME S1AP log level")
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("log.s1ap_hex_limit", bpo::value<int>(&args->log_args.s1ap_hex_limit), "MME S1AP log hex dump limit")
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("log.gtpc_level", bpo::value<string>(&args->log_args.gtpc_level), "MME GTPC log level")
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("log.gtpc_hex_limit", bpo::value<int>(&args->log_args.gtpc_hex_limit), "MME GTPC log hex dump limit")
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("log.spgw_level", bpo::value<string>(&args->log_args.spgw_level), "SPGW log level")
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("log.spgw_hex_limit", bpo::value<int>(&args->log_args.spgw_hex_limit), "SPGW log hex dump limit")
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//("log.gtpu_level", bpo::value<string>(&args->log.gtpu_level), "GTPU log level")
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("log.hss_level", bpo::value<string>(&args->log_args.hss_level), "HSS log level")
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("log.hss_hex_limit", bpo::value<int>(&args->log_args.hss_hex_limit), "HSS log hex dump limit")
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//("log.gtpu_hex_limit",bpo::value<int>(&args->log.gtpu_hex_limit), "GTPU log hex dump limit")
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("log.all_level", bpo::value<string>(&args->log_args.all_level)->default_value("info"), "ALL log level")
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("log.all_hex_limit", bpo::value<int>(&args->log_args.all_hex_limit)->default_value(32), "ALL log hex dump limit")
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("log.filename", bpo::value<string>(&args->log_args.filename)->default_value("/tmp/epc.log"),"Log filename")
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;
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// Positional options - config file location
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bpo::options_description position("Positional options");
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position.add_options()
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("config_file", bpo::value< string >(&config_file), "MME configuration file")
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;
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bpo::positional_options_description p;
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p.add("config_file", -1);
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// these options are allowed on the command line
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bpo::options_description cmdline_options;
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cmdline_options.add(common).add(position).add(general);
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// parse the command line and store result in vm
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bpo::variables_map vm;
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bpo::store(bpo::command_line_parser(argc, argv).options(cmdline_options).positional(p).run(), vm);
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bpo::notify(vm);
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// help option was given - print usage and exit
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if (vm.count("help")) {
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cout << "Usage: " << argv[0] << " [OPTIONS] config_file" << endl << endl;
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cout << common << endl << general << endl;
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exit(0);
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}
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//Parsing Config File
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if (!vm.count("config_file")) {
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cout << "Error: Configuration file not provided" << endl;
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cout << "Usage: " << argv[0] << " [OPTIONS] config_file" << endl << endl;
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exit(0);
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} else {
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cout << "Reading configuration file " << config_file << "..." << endl;
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ifstream conf(config_file.c_str(), ios::in);
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if(conf.fail()) {
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cout << "Failed to read configuration file " << config_file << " - exiting" << endl;
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exit(1);
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}
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bpo::store(bpo::parse_config_file(conf, common), vm);
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bpo::notify(vm);
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}
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//Concert hex strings
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{
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std::stringstream sstr;
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sstr << std::hex << vm["mme.mme_group"].as<std::string>();
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sstr >> args->mme_args.s1ap_args.mme_group;
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}
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{
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std::stringstream sstr;
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sstr << std::hex << vm["mme.mme_code"].as<std::string>();
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uint16_t tmp; // Need intermediate uint16_t as uint8_t is treated as char
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sstr >> tmp;
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args->mme_args.s1ap_args.mme_code = tmp;
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}
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{
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std::stringstream sstr;
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sstr << std::hex << vm["mme.tac"].as<std::string>();
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sstr >> args->mme_args.s1ap_args.tac;
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}
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// Convert MCC/MNC strings
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if(!srslte::string_to_mcc(mcc, &args->mme_args.s1ap_args.mcc)) {
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cout << "Error parsing enb.mcc:" << mcc << " - must be a 3-digit string." << endl;
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}
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if(!srslte::string_to_mnc(mnc, &args->mme_args.s1ap_args.mnc)) {
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cout << "Error parsing enb.mnc:" << mnc << " - must be a 2 or 3-digit string." << endl;
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}
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args->mme_args.s1ap_args.mme_bind_addr = mme_bind_addr;
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args->spgw_args.gtpu_bind_addr = spgw_bind_addr;
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args->spgw_args.sgi_if_addr = sgi_if_addr;
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args->hss_args.db_file = hss_db_file;
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args->hss_args.auth_algo = hss_auth_algo;
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// Apply all_level to any unset layers
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if (vm.count("log.all_level")) {
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if(!vm.count("log.s1ap_level")) {
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args->log_args.s1ap_level = args->log_args.all_level;
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}
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if(!vm.count("log.gtpc_level")) {
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args->log_args.gtpc_level = args->log_args.all_level;
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}
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if(!vm.count("log.spgw_level")) {
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args->log_args.spgw_level = args->log_args.all_level;
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}
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if(!vm.count("log.hss_level")) {
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args->log_args.hss_level = args->log_args.all_level;
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}
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}
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// Apply all_hex_limit to any unset layers
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if (vm.count("log.all_hex_limit")) {
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if(!vm.count("log.s1ap_hex_limit")) {
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args->log_args.s1ap_hex_limit = args->log_args.all_hex_limit;
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}
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if(!vm.count("log.gtpc_hex_limit")) {
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args->log_args.gtpc_hex_limit = args->log_args.all_hex_limit;
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}
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if(!vm.count("log.spgw_hex_limit")) {
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args->log_args.spgw_hex_limit = args->log_args.all_hex_limit;
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}
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if(!vm.count("log.hss_hex_limit")) {
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args->log_args.hss_hex_limit = args->log_args.all_hex_limit;
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}
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}
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return;
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}
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srslte::LOG_LEVEL_ENUM
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level(std::string l)
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{
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boost::to_upper(l);
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if("NONE" == l){
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return srslte::LOG_LEVEL_NONE;
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}else if("ERROR" == l){
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return srslte::LOG_LEVEL_ERROR;
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}else if("WARNING" == l){
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return srslte::LOG_LEVEL_WARNING;
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}else if("INFO" == l){
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return srslte::LOG_LEVEL_INFO;
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}else if("DEBUG" == l){
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return srslte::LOG_LEVEL_DEBUG;
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}else{
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return srslte::LOG_LEVEL_NONE;
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}
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}
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int
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main (int argc,char * argv[] )
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{
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cout << endl <<"--- Software Radio Systems EPC ---" << endl << endl;
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signal(SIGINT, sig_int_handler);
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all_args_t args;
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parse_args(&args, argc, argv);
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srslte::logger_stdout logger_stdout;
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srslte::logger_file logger_file;
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srslte::logger *logger;
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/*Init logger*/
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if (!args.log_args.filename.compare("stdout")) {
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logger = &logger_stdout;
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} else {
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logger_file.init(args.log_args.filename);
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logger_file.log("\n--- Software Radio Systems EPC log ---\n\n");
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logger = &logger_file;
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}
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srslte::log_filter s1ap_log;
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s1ap_log.init("S1AP",logger);
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s1ap_log.set_level(level(args.log_args.s1ap_level));
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s1ap_log.set_hex_limit(args.log_args.s1ap_hex_limit);
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srslte::log_filter mme_gtpc_log;
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mme_gtpc_log.init("GTPC",logger);
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mme_gtpc_log.set_level(level(args.log_args.gtpc_level));
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mme_gtpc_log.set_hex_limit(args.log_args.gtpc_hex_limit);
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srslte::log_filter hss_log;
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hss_log.init("HSS ",logger);
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hss_log.set_level(level(args.log_args.hss_level));
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hss_log.set_hex_limit(args.log_args.hss_hex_limit);
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srslte::log_filter spgw_log;
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spgw_log.init("SPGW",logger);
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spgw_log.set_level(level(args.log_args.spgw_level));
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spgw_log.set_hex_limit(args.log_args.spgw_hex_limit);
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mme *mme = mme::get_instance();
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if (mme->init(&args.mme_args, &s1ap_log, &mme_gtpc_log)) {
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cout << "Error initializing MME" << endl;
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exit(1);
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}
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hss *hss = hss::get_instance();
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if (hss->init(&args.hss_args,&hss_log)) {
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cout << "Error initializing HSS" << endl;
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exit(1);
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}
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spgw *spgw = spgw::get_instance();
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if (spgw->init(&args.spgw_args,&spgw_log)) {
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cout << "Error initializing SP-GW" << endl;
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exit(1);
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}
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mme->start();
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spgw->start();
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while(running) {
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sleep(1);
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}
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mme->stop();
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mme->cleanup();
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spgw->stop();
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spgw->cleanup();
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hss->stop();
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hss->cleanup();
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cout << std::endl <<"--- exiting ---" << endl;
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return 0;
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}
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