diff options
Diffstat (limited to 'src/osmo-bsc/osmo_bsc_main.c')
-rw-r--r-- | src/osmo-bsc/osmo_bsc_main.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/osmo-bsc/osmo_bsc_main.c b/src/osmo-bsc/osmo_bsc_main.c new file mode 100644 index 000000000..ee094d670 --- /dev/null +++ b/src/osmo-bsc/osmo_bsc_main.c @@ -0,0 +1,301 @@ +/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org> + * (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009-2011 by On-Waves + * 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 <openbsc/bss.h> +#include <openbsc/debug.h> +#include <openbsc/gsm_data.h> +#include <openbsc/osmo_bsc.h> +#include <openbsc/osmo_bsc_rf.h> +#include <openbsc/bsc_msc_data.h> +#include <openbsc/signal.h> +#include <openbsc/vty.h> +#include <openbsc/ipaccess.h> +#include <openbsc/ctrl.h> + +#include <osmocom/ctrl/control_cmd.h> +#include <osmocom/ctrl/control_if.h> +#include <osmocom/ctrl/ports.h> +#include <osmocom/ctrl/control_vty.h> + +#include <osmocom/core/application.h> +#include <osmocom/core/linuxlist.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/stats.h> +#include <osmocom/gsm/protocol/gsm_12_21.h> + +#include <osmocom/abis/abis.h> + +#include <osmocom/sccp/sccp.h> + +#define _GNU_SOURCE +#include <getopt.h> + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + + +#include "../../bscconfig.h" + +struct gsm_network *bsc_gsmnet = 0; +static const char *config_file = "openbsc.cfg"; +static const char *rf_ctrl = NULL; +extern const char *openbsc_copyright; +static int daemonize = 0; +static struct llist_head access_lists; + +struct llist_head *bsc_access_lists(void) +{ + return &access_lists; +} + +static void print_usage() +{ + printf("Usage: osmo-bsc\n"); +} + +static void print_help() +{ + printf(" Some useful help...\n"); + printf(" -h --help this text\n"); + printf(" -D --daemonize Fork the process into a background daemon\n"); + printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n"); + printf(" -s --disable-color\n"); + printf(" -T --timestamp. Print a timestamp in the debug output.\n"); + printf(" -c --config-file filename The config file to use.\n"); + printf(" -l --local=IP. The local address of the MGCP.\n"); + printf(" -e --log-level number. Set a global loglevel.\n"); + printf(" -r --rf-ctl NAME. A unix domain socket to listen for cmds.\n"); + printf(" -t --testmode. A special mode to provoke failures at the MSC.\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'}, + {"timestamp", 0, 0, 'T'}, + {"local", 1, 0, 'l'}, + {"log-level", 1, 0, 'e'}, + {"rf-ctl", 1, 0, 'r'}, + {"testmode", 0, 0, 't'}, + {0, 0, 0, 0} + }; + + c = getopt_long(argc, argv, "hd:DsTc:e:r:t", + 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 'c': + config_file = optarg; + break; + case 'T': + log_set_print_timestamp(osmo_stderr_target, 1); + break; + case 'e': + log_set_log_level(osmo_stderr_target, atoi(optarg)); + break; + case 'r': + rf_ctrl = optarg; + break; + default: + /* ignore */ + break; + } + } +} + +extern int bsc_vty_go_parent(struct vty *vty); + +static struct vty_app_info vty_info = { + .name = "OsmoBSC", + .version = PACKAGE_VERSION, + .go_parent_cb = bsc_vty_go_parent, + .is_config_node = bsc_vty_is_config_node, +}; + +extern int bsc_shutdown_net(struct gsm_network *net); +static void signal_handler(int signal) +{ + struct bsc_msc_data *msc; + + 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: + if (!bsc_gsmnet->bsc_data) + return; + llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry) + bsc_msc_lost(msc->msc_con); + break; + default: + break; + } +} + +int main(int argc, char **argv) +{ + struct bsc_msc_data *msc; + struct osmo_bsc_data *data; + int rc; + + tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc"); + msgb_talloc_ctx_init(tall_bsc_ctx, 0); + + /* Allocate global gsm_network struct */ + rc = bsc_network_alloc(NULL); + if (rc) { + fprintf(stderr, "Allocation failed. exiting.\n"); + exit(1); + } + + osmo_init_logging(&log_info); + osmo_stats_init(tall_bsc_ctx); + + bts_init(); + libosmo_abis_init(tall_bsc_ctx); + + /* enable filters */ + + /* This needs to precede handle_options() */ + vty_info.copyright = openbsc_copyright; + vty_init(&vty_info); + bsc_vty_init(bsc_gsmnet); + bsc_msg_lst_vty_init(tall_bsc_ctx, &access_lists, BSC_NODE); + ctrl_vty_init(tall_bsc_ctx); + + INIT_LLIST_HEAD(&access_lists); + + /* parse options */ + handle_options(argc, argv); + + /* seed the PRNG */ + srand(time(NULL)); + + /* initialize SCCP */ + sccp_set_log_area(DSCCP); + + /* Read the config */ + rc = bsc_network_configure(config_file); + if (rc < 0) { + fprintf(stderr, "Bootstrapping the network failed. exiting.\n"); + exit(1); + } + bsc_api_init(bsc_gsmnet, osmo_bsc_api()); + + /* start control interface after reading config for + * ctrl_vty_get_bind_addr() */ + bsc_gsmnet->ctrl = bsc_controlif_setup(bsc_gsmnet, + ctrl_vty_get_bind_addr(), + OSMO_CTRL_PORT_NITB_BSC); + if (!bsc_gsmnet->ctrl) { + fprintf(stderr, "Failed to init the control interface. Exiting.\n"); + exit(1); + } + + rc = bsc_ctrl_cmds_install(bsc_gsmnet); + if (rc < 0) { + fprintf(stderr, "Failed to install control commands. Exiting.\n"); + exit(1); + } + + data = bsc_gsmnet->bsc_data; + if (rf_ctrl) + osmo_talloc_replace_string(data, &data->rf_ctrl_name, rf_ctrl); + + data->rf_ctrl = osmo_bsc_rf_create(data->rf_ctrl_name, bsc_gsmnet); + if (!data->rf_ctrl) { + fprintf(stderr, "Failed to create the RF service.\n"); + exit(1); + } + + llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry) { + if (osmo_bsc_msc_init(msc) != 0) { + LOGP(DNAT, LOGL_ERROR, "Failed to start up. Exiting.\n"); + exit(1); + } + } + + + if (osmo_bsc_sccp_init(bsc_gsmnet) != 0) { + LOGP(DNM, LOGL_ERROR, "Failed to register SCCP.\n"); + exit(1); + } + + if (osmo_bsc_audio_init(bsc_gsmnet) != 0) { + LOGP(DMSC, LOGL_ERROR, "Failed to register audio support.\n"); + exit(1); + } + + signal(SIGINT, &signal_handler); + signal(SIGABRT, &signal_handler); + signal(SIGUSR1, &signal_handler); + signal(SIGUSR2, &signal_handler); + osmo_init_ignore_signals(); + + if (daemonize) { + rc = osmo_daemonize(); + if (rc < 0) { + perror("Error during daemonize"); + exit(1); + } + } + + while (1) { + osmo_select_main(0); + } + + return 0; +} |