278 lines
6.6 KiB
C
278 lines
6.6 KiB
C
/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
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* (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2009-2011 by On-Waves
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* All Rights Reserved
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*
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* This program 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 published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <openbsc/bss.h>
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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#include <openbsc/osmo_bsc.h>
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#include <openbsc/osmo_bsc_rf.h>
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#include <openbsc/osmo_msc_data.h>
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#include <openbsc/signal.h>
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#include <openbsc/vty.h>
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#include <openbsc/ipaccess.h>
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#include <openbsc/control_cmd.h>
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#include <openbsc/control_if.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gsm/protocol/gsm_12_21.h>
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#include <osmocom/abis/abis.h>
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#include <osmocom/sccp/sccp.h>
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#define _GNU_SOURCE
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#include <getopt.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include "../../bscconfig.h"
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struct gsm_network *bsc_gsmnet = 0;
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static const char *config_file = "openbsc.cfg";
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static const char *rf_ctrl = NULL;
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extern const char *openbsc_copyright;
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static int daemonize = 0;
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static void print_usage()
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{
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printf("Usage: osmo-bsc\n");
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}
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static void print_help()
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{
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printf(" Some useful help...\n");
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printf(" -h --help this text\n");
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printf(" -D --daemonize Fork the process into a background daemon\n");
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printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n");
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printf(" -s --disable-color\n");
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printf(" -T --timestamp. Print a timestamp in the debug output.\n");
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printf(" -c --config-file filename The config file to use.\n");
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printf(" -l --local=IP. The local address of the MGCP.\n");
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printf(" -e --log-level number. Set a global loglevel.\n");
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printf(" -r --rf-ctl NAME. A unix domain socket to listen for cmds.\n");
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printf(" -t --testmode. A special mode to provoke failures at the MSC.\n");
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}
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static void handle_options(int argc, char **argv)
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{
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while (1) {
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int option_index = 0, c;
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static struct option long_options[] = {
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{"help", 0, 0, 'h'},
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{"debug", 1, 0, 'd'},
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{"daemonize", 0, 0, 'D'},
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{"config-file", 1, 0, 'c'},
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{"disable-color", 0, 0, 's'},
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{"timestamp", 0, 0, 'T'},
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{"local", 1, 0, 'l'},
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{"log-level", 1, 0, 'e'},
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{"rf-ctl", 1, 0, 'r'},
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{"testmode", 0, 0, 't'},
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv, "hd:DsTc:e:r:t",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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print_usage();
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print_help();
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exit(0);
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case 's':
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log_set_use_color(osmo_stderr_target, 0);
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break;
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case 'd':
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log_parse_category_mask(osmo_stderr_target, optarg);
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break;
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case 'D':
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daemonize = 1;
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break;
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case 'c':
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config_file = strdup(optarg);
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break;
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case 'T':
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log_set_print_timestamp(osmo_stderr_target, 1);
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break;
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case 'e':
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log_set_log_level(osmo_stderr_target, atoi(optarg));
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break;
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case 'r':
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rf_ctrl = optarg;
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break;
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default:
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/* ignore */
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break;
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}
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}
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}
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extern enum node_type bsc_vty_go_parent(struct vty *vty);
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static struct vty_app_info vty_info = {
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.name = "OsmoBSC",
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.version = PACKAGE_VERSION,
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.go_parent_cb = bsc_vty_go_parent,
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.is_config_node = bsc_vty_is_config_node,
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};
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extern int bsc_shutdown_net(struct gsm_network *net);
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static void signal_handler(int signal)
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{
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struct osmo_msc_data *msc;
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fprintf(stdout, "signal %u received\n", signal);
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switch (signal) {
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case SIGINT:
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bsc_shutdown_net(bsc_gsmnet);
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osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL);
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sleep(3);
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exit(0);
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break;
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case SIGABRT:
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/* in case of abort, we want to obtain a talloc report
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* and then return to the caller, who will abort the process */
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case SIGUSR1:
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talloc_report(tall_vty_ctx, stderr);
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talloc_report_full(tall_bsc_ctx, stderr);
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break;
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case SIGUSR2:
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if (!bsc_gsmnet->bsc_data)
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return;
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llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry)
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bsc_msc_lost(msc->msc_con);
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break;
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default:
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break;
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}
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}
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int main(int argc, char **argv)
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{
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struct osmo_msc_data *msc;
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struct osmo_bsc_data *data;
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int rc;
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tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
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osmo_init_logging(&log_info);
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bts_init();
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libosmo_abis_init(tall_bsc_ctx);
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/* enable filters */
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/* This needs to precede handle_options() */
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vty_info.copyright = openbsc_copyright;
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vty_init(&vty_info);
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bsc_vty_init(&log_info);
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/* parse options */
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handle_options(argc, argv);
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/* seed the PRNG */
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srand(time(NULL));
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/* initialize SCCP */
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sccp_set_log_area(DSCCP);
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rc = bsc_bootstrap_network(NULL, config_file);
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if (rc < 0) {
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fprintf(stderr, "Bootstrapping the network failed. exiting.\n");
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exit(1);
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}
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bsc_api_init(bsc_gsmnet, osmo_bsc_api());
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bsc_gsmnet->ctrl = controlif_setup(bsc_gsmnet, 4249);
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if (!bsc_gsmnet) {
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fprintf(stderr, "Failed to init the control interface. Exiting.\n");
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exit(1);
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}
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rc = bsc_ctrl_cmds_install(bsc_gsmnet);
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if (rc < 0) {
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fprintf(stderr, "Failed to install control commands. Exiting.\n");
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exit(1);
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}
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data = bsc_gsmnet->bsc_data;
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if (rf_ctrl)
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bsc_replace_string(data, &data->rf_ctrl_name, rf_ctrl);
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if (data->rf_ctrl_name) {
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data->rf_ctrl = osmo_bsc_rf_create(data->rf_ctrl_name,
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bsc_gsmnet);
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if (!data->rf_ctrl) {
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fprintf(stderr, "Failed to create the RF service.\n");
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exit(1);
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}
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}
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llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry) {
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if (osmo_bsc_msc_init(msc) != 0) {
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LOGP(DNAT, LOGL_ERROR, "Failed to start up. Exiting.\n");
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exit(1);
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}
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}
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if (osmo_bsc_sccp_init(bsc_gsmnet) != 0) {
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LOGP(DNM, LOGL_ERROR, "Failed to register SCCP.\n");
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exit(1);
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}
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if (osmo_bsc_audio_init(bsc_gsmnet) != 0) {
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LOGP(DMSC, LOGL_ERROR, "Failed to register audio support.\n");
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exit(1);
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}
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signal(SIGINT, &signal_handler);
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signal(SIGABRT, &signal_handler);
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signal(SIGUSR1, &signal_handler);
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signal(SIGUSR2, &signal_handler);
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osmo_init_ignore_signals();
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if (daemonize) {
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rc = osmo_daemonize();
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if (rc < 0) {
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perror("Error during daemonize");
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exit(1);
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}
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}
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while (1) {
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osmo_select_main(0);
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}
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return 0;
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}
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