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Diffstat (limited to 'openbsc/src/bsc_hack.c')
| -rw-r--r-- | openbsc/src/bsc_hack.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/openbsc/src/bsc_hack.c b/openbsc/src/bsc_hack.c new file mode 100644 index 000000000..49c9d36ef --- /dev/null +++ b/openbsc/src/bsc_hack.c @@ -0,0 +1,243 @@ +/* A hackish minimal BSC (+MSC +HLR) implementation */ + +/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> + * (C) 2009 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 General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#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 <osmocore/select.h> +#include <openbsc/debug.h> +#include <openbsc/e1_input.h> +#include <osmocore/talloc.h> +#include <openbsc/signal.h> + +/* MCC and MNC for the Location Area Identifier */ +static struct debug_target *stderr_target; +struct gsm_network *bsc_gsmnet = 0; +static const char *database_name = "hlr.sqlite3"; +static const char *config_file = "openbsc.cfg"; + + +/* timer to store statistics */ +#define DB_SYNC_INTERVAL 60, 0 +static struct timer_list db_sync_timer; + +extern int bsc_bootstrap_network(int (*mmc_rev)(struct gsm_network *, int, void *), + const char *cfg_file); +extern int bsc_shutdown_net(struct gsm_network *net); + +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(" -s --disable-color\n"); + printf(" -c --config-file filename The config file to use.\n"); + printf(" -l --database db-name The database to use\n"); + printf(" -p --pcap file The filename of the pcap file\n"); + printf(" -T --timestamp Prefix every log line with a timestamp\n"); + printf(" -P --rtp-proxy Enable the RTP Proxy code inside OpenBSC\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'}, + {"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'}, + {"rtp-proxy", 0, 0, 'P'}, + {0, 0, 0, 0} + }; + + c = getopt_long(argc, argv, "hd:sl:ar:p:TPc:", + long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 'h': + print_usage(); + print_help(); + exit(0); + case 's': + debug_set_use_color(stderr_target, 0); + break; + case 'd': + debug_parse_category_mask(stderr_target, optarg); + break; + case 'l': + database_name = strdup(optarg); + break; + case 'c': + config_file = strdup(optarg); + break; + case 'p': + create_pcap_file(optarg); + break; + case 'T': + debug_set_print_timestamp(stderr_target, 1); + break; + case 'P': + ipacc_rtp_direct = 0; + 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); + dispatch_signal(SS_GLOBAL, S_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 counter *counter, void *data) +{ + return db_store_counter(counter); +} + +static void db_sync_timer_cb(void *data) +{ + /* store counters to database and re-schedule */ + counters_for_each(_db_store_counter, NULL); + bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL); +} + +extern int bts_model_unknown_init(void); +extern int bts_model_bs11_init(void); +extern int bts_model_nanobts_init(void); + +int main(int argc, char **argv) +{ + int rc; + + debug_init(); + 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(); + stderr_target = debug_target_create_stderr(); + debug_add_target(stderr_target); + + bts_model_unknown_init(); + bts_model_bs11_init(); + bts_model_nanobts_init(); + + /* enable filters */ + debug_set_all_filter(stderr_target, 1); + + /* parse options */ + handle_options(argc, argv); + + /* seed the PRNG */ + srand(time(NULL)); + + 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; + bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL); + + rc = bsc_bootstrap_network(mncc_recv, config_file); + if (rc < 0) + exit(1); + + signal(SIGINT, &signal_handler); + signal(SIGABRT, &signal_handler); + signal(SIGUSR1, &signal_handler); + signal(SIGUSR2, &signal_handler); + signal(SIGPIPE, SIG_IGN); + + while (1) { + bsc_upqueue(bsc_gsmnet); + debug_reset_context(); + bsc_select_main(0); + } +} |