| /* Everything related to the global BSC */ |
| /* |
| * (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 <bsc_data.h> |
| #include <cellmgr_debug.h> |
| #include <msc_connection.h> |
| #include <mtp_pcap.h> |
| |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/vty/vty.h> |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <pthread.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> |
| |
| extern struct bsc_data *bsc; |
| extern char *config; |
| |
| struct bsc_data *bsc_data_create() |
| { |
| struct bsc_data *bsc; |
| |
| bsc = talloc_zero(NULL, struct bsc_data); |
| if (!bsc) { |
| LOGP(DINP, LOGL_ERROR, "Failed to create the BSC.\n"); |
| return NULL; |
| } |
| |
| INIT_LLIST_HEAD(&bsc->linksets); |
| INIT_LLIST_HEAD(&bsc->mscs); |
| INIT_LLIST_HEAD(&bsc->apps); |
| |
| bsc->udp_port = 3456; |
| bsc->udp_ip = NULL; |
| bsc->udp_nr_links = 1; |
| |
| bsc->udp_src_port = 1313; |
| bsc->pcap_fd = -1; |
| bsc->udp_reset_timeout = 180; |
| |
| /* m2ua code */ |
| bsc->m2ua_src_port = 2904; |
| |
| return bsc; |
| } |
| |
| 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) { |
| llist_for_each_entry(set, &bsc->linksets, entry) |
| link_shutdown_all(set); |
| } |
| |
| exit(0); |
| |
| out: |
| pthread_mutex_unlock(&exit_mutex); |
| } |
| |
| static void sigusr1() |
| { |
| talloc_report(tall_vty_ctx, stderr); |
| talloc_report_full(bsc, stderr); |
| } |
| |
| static void sigusr2() |
| { |
| struct msc_connection *msc; |
| printf("Closing the MSC connection on demand.\n"); |
| |
| llist_for_each_entry(msc, &bsc->mscs, entry) |
| msc_close_connection(msc); |
| } |
| |
| |
| static void print_usage(const char *arg) |
| { |
| printf("Usage: %s\n", arg); |
| } |
| |
| 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"); |
| } |
| |
| 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(argv[0]); |
| 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; |
| } |
| } |
| |
| signal(SIGPIPE, SIG_IGN); |
| signal(SIGINT, sigint); |
| signal(SIGUSR1, sigusr1); |
| signal(SIGUSR2, sigusr2); |
| } |
| |