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/* Main program for Sysmocom BTS */
/* (C) 2011 by Harald Welte <laforge@gnumonks.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 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 <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <getopt.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/application.h>
#include <osmo-bts/gsm_data.h>
#include <osmo-bts/logging.h>
#include <osmo-bts/abis.h>
#include <osmo-bts/bts.h>
#include <osmo-bts/vty.h>
#include "l1_if.h"
/* FIXME: read from real hardware */
const uint8_t abis_mac[6] = { 0,1,2,3,4,5 };
/* FIXME: generate from git */
const char *software_version = "0815";
static const char *bsc_host = NULL;
static const char *config_file = "osmo-bts.cfg";
extern const char *osmobts_copyright;
static int daemonize = 0;
int bts_model_init(struct gsm_bts *bts)
{
struct femtol1_hdl *fl1h;
fl1h = l1if_open(bts->c0);
if (!fl1h) {
LOGP(DL1C, LOGL_FATAL, "Cannot open L1 Interface\n");
return -EIO;
}
bts->c0->role_bts.l1h = fl1h;
bts->c0->nominal_power = 23;
l1if_reset(fl1h);
femtol1_vty_init(bts);
return 0;
}
struct ipabis_link *link_init(struct gsm_bts *bts, const char *ip)
{
struct ipabis_link *link = talloc_zero(bts, struct ipabis_link);
struct in_addr ia;
int rc;
inet_aton(ip, &ia);
link->bts = bts;
bts->oml_link = link;
rc = abis_open(link, ntohl(ia.s_addr));
if (rc < 0)
return NULL;
return link;
}
static void print_help()
{
printf( "Some useful options:\n"
" -h --help this text\n"
" -d --debug MASK Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n"
" -D --daemonize For the process into a background daemon\n"
" -c --config-file Specify the filename of the config file\n"
" -s --disable-color Don't use colors in stderr log output\n"
" -T --timestamp Prefix every log line with a timestamp\n"
" -V --version Print version information and exit\n"
" -e --log-level Set a global log-level\n"
" -B --bsc-host Specify host-name of the BSC\n"
);
}
/* FIXME: finally get some option parsing code into libosmocore */
static void handle_options(int argc, char **argv)
{
while (1) {
int option_idx = 0, c;
static const struct option long_options[] = {
/* FIXME: all those are generic Osmocom app 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' },
{ "version", 0, 0, 'V' },
{ "log-level", 1, 0, 'e' },
{ "bsc-host", 1, 0, 'B' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "hd:Dc:sTVe:B:",
long_options, &option_idx);
if (c == -1)
break;
switch (c) {
case 'h':
print_help();
exit(0);
break;
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 = strdup(optarg);
break;
case 'T':
log_set_print_timestamp(osmo_stderr_target, 1);
break;
case 'V':
print_version(1);
exit(0);
break;
case 'e':
log_set_log_level(osmo_stderr_target, atoi(optarg));
break;
case 'B':
bsc_host = strdup(optarg);
break;
default:
break;
}
}
}
static struct gsm_bts *bts;
static void signal_handler(int signal)
{
fprintf(stderr, "signal %u received\n", signal);
switch (signal) {
case SIGINT:
//osmo_signal_dispatch(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL);
bts_shutdown(bts, "SIGINT");
break;
case SIGABRT:
case SIGUSR1:
case SIGUSR2:
talloc_report_full(tall_bts_ctx, stderr);
break;
default:
break;
}
}
int main(int argc, char **argv)
{
struct ipabis_link *link;
void *tall_msgb_ctx;
int rc;
tall_bts_ctx = talloc_named_const(NULL, 1, "OsmoBTS context");
tall_msgb_ctx = talloc_named_const(tall_bts_ctx, 1, "msgb");
msgb_set_talloc_ctx(tall_msgb_ctx);
bts_log_init(NULL);
bts = gsm_bts_alloc(tall_bts_ctx);
vty_init(&bts_vty_info);
logging_vty_add_cmds(&bts_log_info);
//bts_vty_init(&
/* FIXME: parse config file */
rc = telnet_init(tall_bts_ctx, NULL, 4241);
if (rc < 0) {
fprintf(stderr, "Error initializing telnet\n");
exit(1);
}
handle_options(argc, argv);
if (!bsc_host) {
fprintf(stderr, "You need to specify the BSC hostname\n");
exit(2);
}
signal(SIGINT, &signal_handler);
signal(SIGABRT, &signal_handler);
signal(SIGUSR1, &signal_handler);
signal(SIGUSR2, &signal_handler);
osmo_init_ignore_signals();
if (bts_init(bts) < 0) {
fprintf(stderr, "unable to to open bts\n");
exit(1);
}
link = link_init(bts, bsc_host);
if (!link) {
fprintf(stderr, "unable to connect to BSC\n");
exit(1);
}
bts->oml_link = link;
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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