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osmo-msc/openbsc/src/osmo-nitb/bsc_hack.c

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/* 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
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: bsc_hack\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);
}
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);
/* 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);
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;
}
/* seed the PRNG */
srand(time(NULL));
if (rf_ctrl_name) {
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);
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;
#ifdef BUILD_SMPP
if (smpp_openbsc_init(bsc_gsmnet, 6040) < 0)
return -1;
#endif
if (daemonize) {
rc = osmo_daemonize();
if (rc < 0) {
perror("Error during daemonize");
exit(1);
}
}
while (1) {
log_reset_context();
osmo_select_main(0);
}
}
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