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/* Bloated main routine, refactor */
/*
* (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2010-2011 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 <mtp_data.h>
#include <mtp_level3.h>
#include <mtp_pcap.h>
#include <thread.h>
#include <bss_patch.h>
#include <bssap_sccp.h>
#include <bsc_data.h>
#include <cellmgr_debug.h>
#include <bsc_sccp.h>
#include <osmocore/talloc.h>
#include <osmocom/vty/vty.h>
#include <osmocom/vty/telnet_interface.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <getopt.h>
#undef PACKAGE_NAME
#undef PACKAGE_VERSION
#undef PACKAGE_BUGREPORT
#undef PACKAGE_TARNAME
#undef PACKAGE_STRING
#include <cellmgr_config.h>
static struct log_target *stderr_target;
static char *config = "cellmgr_ng.cfg";
struct bsc_data *bsc;
extern void cell_vty_init(void);
static void print_usage()
{
printf("Usage: cellmgr_ng\n");
}
static void sigint()
{
static pthread_mutex_t exit_mutex = PTHREAD_MUTEX_INITIALIZER;
static int handled = 0;
struct mtp_link_set *set;
/* failed to lock */
if (pthread_mutex_trylock(&exit_mutex) != 0)
return;
if (handled)
goto out;
printf("Terminating.\n");
handled = 1;
if (bsc && bsc->setup) {
llist_for_each_entry(set, &bsc->linksets, entry)
link_shutdown_all(set);
}
exit(0);
out:
pthread_mutex_unlock(&exit_mutex);
}
static void sigusr2()
{
printf("Closing the MSC connection on demand.\n");
msc_close_connection(&bsc->msc_forward);
}
static void print_help()
{
printf(" Some useful help...\n");
printf(" -h --help this text\n");
printf(" -c --config=CFG The config file to use.\n");
printf(" -p --pcap=FILE. Write MSUs to the PCAP file.\n");
printf(" -c --once. Send the SLTM msg only once.\n");
printf(" -v --version. Print the version number\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'},
{"config", 1, 0, 'c'},
{"pcap", 1, 0, 'p'},
{"version", 0, 0, 0},
{0, 0, 0, 0},
};
c = getopt_long(argc, argv, "hc:p:v",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'h':
print_usage();
print_help();
exit(0);
case 'p':
if (bsc->pcap_fd >= 0)
close(bsc->pcap_fd);
bsc->pcap_fd = open(optarg, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP| S_IROTH);
if (bsc->pcap_fd < 0) {
fprintf(stderr, "Failed to open PCAP file.\n");
exit(0);
}
mtp_pcap_write_header(bsc->pcap_fd);
break;
case 'c':
config = optarg;
break;
case 'v':
printf("This is %s version %s.\n", PACKAGE, VERSION);
exit(0);
break;
default:
fprintf(stderr, "Unknown option.\n");
break;
}
}
}
static void bsc_msc_forward_init(struct bsc_data *bsc,
struct bsc_msc_forward *msc)
{
INIT_LLIST_HEAD(&msc->sccp_connections);
msc->bsc_data = bsc;
msc->msc_address = "127.0.0.1";
msc->ping_time = 20;
msc->pong_time = 5;
msc->msc_time = 20;
}
int main(int argc, char **argv)
{
int rc;
struct mtp_link_set *set;
thread_init();
log_init(&log_info);
stderr_target = log_target_create_stderr();
log_add_target(stderr_target);
/* enable filters */
log_set_all_filter(stderr_target, 1);
log_set_category_filter(stderr_target, DINP, 1, LOGL_INFO);
log_set_category_filter(stderr_target, DSCCP, 1, LOGL_INFO);
log_set_category_filter(stderr_target, DMSC, 1, LOGL_INFO);
log_set_category_filter(stderr_target, DMGCP, 1, LOGL_INFO);
log_set_print_timestamp(stderr_target, 1);
log_set_use_color(stderr_target, 0);
sccp_set_log_area(DSCCP);
bsc = bsc_data_create();
if (!bsc)
return -1;
bsc->app = APP_CELLMGR;
/* msc data */
bsc_msc_forward_init(bsc, &bsc->msc_forward);
handle_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
signal(SIGINT, sigint);
signal(SIGUSR2, sigusr2);
srand(time(NULL));
cell_vty_init();
if (vty_read_config_file(config, NULL) < 0) {
fprintf(stderr, "Failed to read the VTY config.\n");
return -1;
}
rc = telnet_init(NULL, NULL, 4242);
if (rc < 0)
return rc;
set = link_init(bsc);
if (!set)
return -1;
set->fw = &bsc->msc_forward;
bsc->msc_forward.bsc = set;
while (1) {
bsc_select_main(0);
}
return 0;
}
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