| /* A hackish minimal BSC (+MSC +HLR) implementation */ |
| |
| /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
| * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <unistd.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <signal.h> |
| #include <fcntl.h> |
| #include <sys/stat.h> |
| |
| #define _GNU_SOURCE |
| #include <getopt.h> |
| |
| #include <openbsc/db.h> |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/select.h> |
| #include <openbsc/debug.h> |
| #include <osmocom/abis/abis.h> |
| #include <osmocom/abis/e1_input.h> |
| #include <osmocom/core/talloc.h> |
| #include <openbsc/signal.h> |
| #include <openbsc/osmo_msc.h> |
| #include <openbsc/sms_queue.h> |
| #include <openbsc/vty.h> |
| #include <openbsc/bss.h> |
| #include <openbsc/mncc.h> |
| #include <openbsc/token_auth.h> |
| #include <openbsc/handover_decision.h> |
| #include <openbsc/rrlp.h> |
| #include <openbsc/control_if.h> |
| #include <openbsc/osmo_bsc_rf.h> |
| |
| #include "../../bscconfig.h" |
| |
| /* MCC and MNC for the Location Area Identifier */ |
| struct gsm_network *bsc_gsmnet = 0; |
| static struct osmo_bsc_rf *rf_ctrl; |
| static const char *database_name = "hlr.sqlite3"; |
| static const char *config_file = "openbsc.cfg"; |
| static const char *rf_ctrl_name = NULL; |
| extern const char *openbsc_copyright; |
| static int daemonize = 0; |
| static int use_mncc_sock = 0; |
| static int use_db_counter = 1; |
| |
| /* timer to store statistics */ |
| #define DB_SYNC_INTERVAL 60, 0 |
| #define EXPIRE_INTERVAL 10, 0 |
| |
| static struct osmo_timer_list db_sync_timer; |
| |
| static void create_pcap_file(char *file) |
| { |
| mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; |
| int fd = open(file, O_WRONLY|O_TRUNC|O_CREAT, mode); |
| |
| if (fd < 0) { |
| perror("Failed to open file for pcap"); |
| return; |
| } |
| |
| e1_set_pcap_fd(fd); |
| } |
| |
| static void print_usage() |
| { |
| printf("Usage: osmo-nitb\n"); |
| } |
| |
| static void print_help() |
| { |
| printf(" Some useful help...\n"); |
| printf(" -h --help this text\n"); |
| printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n"); |
| printf(" -D --daemonize Fork the process into a background daemon\n"); |
| printf(" -c --config-file filename The config file to use.\n"); |
| printf(" -s --disable-color\n"); |
| printf(" -l --database db-name The database to use\n"); |
| printf(" -a --authorize-everyone. Authorize every new subscriber. Dangerous!.\n"); |
| printf(" -p --pcap file The filename of the pcap file\n"); |
| printf(" -T --timestamp Prefix every log line with a timestamp\n"); |
| printf(" -V --version. Print the version of OpenBSC.\n"); |
| printf(" -P --rtp-proxy Enable the RTP Proxy code inside OpenBSC\n"); |
| printf(" -e --log-level number. Set a global loglevel.\n"); |
| printf(" -m --mncc-sock Disable built-in MNCC handler and offer socket\n"); |
| printf(" -C --no-dbcounter Disable regular syncing of counters to database\n"); |
| printf(" -r --rf-ctl NAME. A unix domain socket to listen for cmds.\n"); |
| } |
| |
| static void handle_options(int argc, char **argv) |
| { |
| while (1) { |
| int option_index = 0, c; |
| static struct option long_options[] = { |
| {"help", 0, 0, 'h'}, |
| {"debug", 1, 0, 'd'}, |
| {"daemonize", 0, 0, 'D'}, |
| {"config-file", 1, 0, 'c'}, |
| {"disable-color", 0, 0, 's'}, |
| {"database", 1, 0, 'l'}, |
| {"authorize-everyone", 0, 0, 'a'}, |
| {"pcap", 1, 0, 'p'}, |
| {"timestamp", 0, 0, 'T'}, |
| {"version", 0, 0, 'V' }, |
| {"rtp-proxy", 0, 0, 'P'}, |
| {"log-level", 1, 0, 'e'}, |
| {"mncc-sock", 0, 0, 'm'}, |
| {"no-dbcounter", 0, 0, 'C'}, |
| {"rf-ctl", 1, 0, 'r'}, |
| {0, 0, 0, 0} |
| }; |
| |
| c = getopt_long(argc, argv, "hd:Dsl:ar:p:TPVc:e:mCr:", |
| long_options, &option_index); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 'h': |
| print_usage(); |
| print_help(); |
| exit(0); |
| case 's': |
| log_set_use_color(osmo_stderr_target, 0); |
| break; |
| case 'd': |
| log_parse_category_mask(osmo_stderr_target, optarg); |
| break; |
| case 'D': |
| daemonize = 1; |
| break; |
| case 'l': |
| database_name = strdup(optarg); |
| break; |
| case 'c': |
| config_file = strdup(optarg); |
| break; |
| case 'p': |
| create_pcap_file(optarg); |
| break; |
| case 'T': |
| log_set_print_timestamp(osmo_stderr_target, 1); |
| break; |
| case 'P': |
| ipacc_rtp_direct = 0; |
| break; |
| case 'e': |
| log_set_log_level(osmo_stderr_target, atoi(optarg)); |
| break; |
| case 'm': |
| use_mncc_sock = 1; |
| break; |
| case 'C': |
| use_db_counter = 0; |
| break; |
| case 'V': |
| print_version(1); |
| exit(0); |
| break; |
| case 'r': |
| rf_ctrl_name = optarg; |
| break; |
| default: |
| /* ignore */ |
| break; |
| } |
| } |
| } |
| |
| extern void *tall_vty_ctx; |
| static void signal_handler(int signal) |
| { |
| fprintf(stdout, "signal %u received\n", signal); |
| |
| switch (signal) { |
| case SIGINT: |
| bsc_shutdown_net(bsc_gsmnet); |
| osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL); |
| sleep(3); |
| exit(0); |
| break; |
| case SIGABRT: |
| /* in case of abort, we want to obtain a talloc report |
| * and then return to the caller, who will abort the process */ |
| case SIGUSR1: |
| talloc_report(tall_vty_ctx, stderr); |
| talloc_report_full(tall_bsc_ctx, stderr); |
| break; |
| case SIGUSR2: |
| talloc_report_full(tall_vty_ctx, stderr); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /* timer handling */ |
| static int _db_store_counter(struct osmo_counter *counter, void *data) |
| { |
| return db_store_counter(counter); |
| } |
| |
| static void db_sync_timer_cb(void *data) |
| { |
| /* store counters to database and re-schedule */ |
| osmo_counters_for_each(_db_store_counter, NULL); |
| osmo_timer_schedule(&db_sync_timer, DB_SYNC_INTERVAL); |
| } |
| |
| static void subscr_expire_cb(void *data) |
| { |
| subscr_expire(bsc_gsmnet); |
| osmo_timer_schedule(&bsc_gsmnet->subscr_expire_timer, EXPIRE_INTERVAL); |
| } |
| |
| void talloc_ctx_init(void); |
| |
| extern enum node_type bsc_vty_go_parent(struct vty *vty); |
| |
| static struct vty_app_info vty_info = { |
| .name = "OpenBSC", |
| .version = PACKAGE_VERSION, |
| .go_parent_cb = bsc_vty_go_parent, |
| .is_config_node = bsc_vty_is_config_node, |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| int rc; |
| |
| vty_info.copyright = openbsc_copyright; |
| |
| tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc"); |
| talloc_ctx_init(); |
| on_dso_load_token(); |
| on_dso_load_rrlp(); |
| on_dso_load_ho_dec(); |
| |
| libosmo_abis_init(tall_bsc_ctx); |
| osmo_init_logging(&log_info); |
| bts_init(); |
| |
| /* This needs to precede handle_options() */ |
| vty_init(&vty_info); |
| bsc_vty_init(&log_info); |
| |
| #ifdef BUILD_SMPP |
| if (smpp_openbsc_init(tall_bsc_ctx, 0) < 0) |
| return -1; |
| #endif |
| |
| /* parse options */ |
| handle_options(argc, argv); |
| |
| /* internal MNCC handler or MNCC socket? */ |
| if (use_mncc_sock) { |
| rc = bsc_bootstrap_network(mncc_sock_from_cc, config_file); |
| if (rc >= 0) |
| mncc_sock_init(bsc_gsmnet); |
| } else |
| rc = bsc_bootstrap_network(int_mncc_recv, config_file); |
| if (rc < 0) |
| exit(1); |
| #ifdef BUILD_SMPP |
| smpp_openbsc_set_net(bsc_gsmnet); |
| #endif |
| bsc_api_init(bsc_gsmnet, msc_bsc_api()); |
| |
| bsc_gsmnet->ctrl = controlif_setup(bsc_gsmnet, 4249); |
| if (!bsc_gsmnet->ctrl) { |
| printf("Failed to initialize control interface. Exiting.\n"); |
| return -1; |
| } |
| |
| if (bsc_base_ctrl_cmds_install() != 0) { |
| printf("Failed to initialize the control commands. Exiting.\n"); |
| return -1; |
| } |
| |
| /* seed the PRNG */ |
| srand(time(NULL)); |
| |
| rf_ctrl = osmo_bsc_rf_create(rf_ctrl_name, bsc_gsmnet); |
| if (!rf_ctrl) { |
| fprintf(stderr, "Failed to create the RF service.\n"); |
| exit(1); |
| } |
| |
| if (db_init(database_name)) { |
| printf("DB: Failed to init database. Please check the option settings.\n"); |
| return -1; |
| } |
| printf("DB: Database initialized.\n"); |
| |
| if (db_prepare()) { |
| printf("DB: Failed to prepare database.\n"); |
| return -1; |
| } |
| printf("DB: Database prepared.\n"); |
| |
| /* setup the timer */ |
| db_sync_timer.cb = db_sync_timer_cb; |
| db_sync_timer.data = NULL; |
| if (use_db_counter) |
| osmo_timer_schedule(&db_sync_timer, DB_SYNC_INTERVAL); |
| |
| bsc_gsmnet->subscr_expire_timer.cb = subscr_expire_cb; |
| bsc_gsmnet->subscr_expire_timer.data = NULL; |
| osmo_timer_schedule(&bsc_gsmnet->subscr_expire_timer, EXPIRE_INTERVAL); |
| |
| signal(SIGINT, &signal_handler); |
| signal(SIGABRT, &signal_handler); |
| signal(SIGUSR1, &signal_handler); |
| signal(SIGUSR2, &signal_handler); |
| osmo_init_ignore_signals(); |
| |
| /* start the SMS queue */ |
| if (sms_queue_start(bsc_gsmnet, 20) != 0) |
| return -1; |
| |
| if (daemonize) { |
| rc = osmo_daemonize(); |
| if (rc < 0) { |
| perror("Error during daemonize"); |
| exit(1); |
| } |
| } |
| |
| while (1) { |
| log_reset_context(); |
| osmo_select_main(0); |
| } |
| } |