aboutsummaryrefslogtreecommitdiffstats
path: root/src/osmo-msc/msc_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/osmo-msc/msc_main.c')
-rw-r--r--src/osmo-msc/msc_main.c589
1 files changed, 0 insertions, 589 deletions
diff --git a/src/osmo-msc/msc_main.c b/src/osmo-msc/msc_main.c
deleted file mode 100644
index 30b11d983..000000000
--- a/src/osmo-msc/msc_main.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/* OsmoMSC - Circuit-Switched Core Network (MSC+VLR+HLR+SMSC) implementation
- */
-
-/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Based on OsmoNITB:
- * (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>
-
-/* build switches from the configure script */
-#include "../../bscconfig.h"
-
-#include <openbsc/db.h>
-#include <osmocom/core/application.h>
-#include <osmocom/core/select.h>
-#include <osmocom/core/stats.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/bsc_msc_data.h>
-#include <openbsc/sms_queue.h>
-#include <osmocom/vty/telnet_interface.h>
-#include <osmocom/vty/ports.h>
-#include <osmocom/vty/logging.h>
-#include <openbsc/vty.h>
-#include <openbsc/bss.h>
-#include <openbsc/mncc.h>
-#include <openbsc/handover_decision.h>
-#include <openbsc/rrlp.h>
-#include <osmocom/ctrl/control_if.h>
-#include <osmocom/ctrl/control_vty.h>
-#include <osmocom/ctrl/ports.h>
-#include <openbsc/ctrl.h>
-#include <openbsc/osmo_bsc_rf.h>
-#include <openbsc/smpp.h>
-#include <osmocom/sigtran/osmo_ss7.h>
-#include <osmocom/legacy_mgcp/mgcpgw_client.h>
-
-#ifdef BUILD_IU
-#include <osmocom/ranap/iu_client.h>
-#endif
-
-#include <openbsc/msc_ifaces.h>
-#include <openbsc/iucs.h>
-#include <openbsc/iucs_ranap.h>
-#include <openbsc/a_iface.h>
-
-static const char * const osmomsc_copyright =
- "OsmoMSC - Osmocom Circuit-Switched Core Network implementation\r\n"
- "Copyright (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>\r\n"
- "Based on OsmoNITB:\r\n"
- " (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>\r\n"
- " (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org>\r\n"
- "Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt\r\n"
- "Dieter Spaar, Andreas Eversberg, Sylvain Munaut, Neels Hofmeyr\r\n\r\n"
- "License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
- "This is free software: you are free to change and redistribute it.\r\n"
- "There is NO WARRANTY, to the extent permitted by law.\r\n";
-
-void *tall_msc_ctx = NULL;
-
-/* satisfy deps from libbsc legacy.
- TODO double check these */
-void *tall_fle_ctx = NULL;
-void *tall_paging_ctx = NULL;
-void *tall_map_ctx = NULL;
-void *tall_upq_ctx = NULL;
-/* end deps from libbsc legacy. */
-
-static struct {
- const char *database_name;
- const char *config_file;
- int daemonize;
- const char *mncc_sock_path;
- int use_db_counter;
-} msc_cmdline_config = {
- "sms.db",
- "osmo-msc.cfg",
- 0,
- 0,
- 1
-};
-
-/* timer to store statistics */
-#define DB_SYNC_INTERVAL 60, 0
-#define EXPIRE_INTERVAL 10, 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: osmo-nitb\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(" -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-path PATH Disable built-in MNCC handler and offer socket.\n");
- printf(" -m --mncc-sock Same as `-M /tmp/bsc_mncc' (deprecated).\n");
- printf(" -C --no-dbcounter Disable regular syncing of counters to database.\n");
- printf(" -r --rf-ctl PATH A unix domain socket to listen for cmds.\n");
- printf(" -p --pcap PATH Write abis communication to pcap trace file.\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'},
- {"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'},
- {"mncc-sock-path", 1, 0, 'M'},
- {"no-dbcounter", 0, 0, 'C'},
- {0, 0, 0, 0}
- };
-
- c = getopt_long(argc, argv, "hd:Dsl:ap:TPVc:e:mCM:",
- 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':
- msc_cmdline_config.daemonize = 1;
- break;
- case 'l':
- msc_cmdline_config.database_name = optarg;
- break;
- case 'c':
- msc_cmdline_config.config_file = optarg;
- break;
- case 'p':
- create_pcap_file(optarg);
- break;
- case 'T':
- log_set_print_timestamp(osmo_stderr_target, 1);
- break;
-#if BEFORE_MSCSPLIT
- case 'P':
- ipacc_rtp_direct = 0;
- break;
-#endif
- case 'e':
- log_set_log_level(osmo_stderr_target, atoi(optarg));
- break;
- case 'M':
- msc_cmdline_config.mncc_sock_path = optarg;
- break;
- case 'm':
- msc_cmdline_config.mncc_sock_path = "/tmp/bsc_mncc";
- break;
- case 'C':
- msc_cmdline_config.use_db_counter = 0;
- break;
- case 'V':
- print_version(1);
- exit(0);
- break;
- default:
- /* catch unknown options *as well as* missing arguments. */
- fprintf(stderr, "Error in command line options. Exiting.\n");
- exit(-1);
- }
- }
-}
-
-struct gsm_network *msc_network_alloc(void *ctx,
- mncc_recv_cb_t mncc_recv)
-{
- struct gsm_network *net = gsm_network_init(ctx, 1, 1, mncc_recv);
- if (!net)
- return NULL;
-
- net->name_long = talloc_strdup(net, "OsmoMSC");
- net->name_short = talloc_strdup(net, "OsmoMSC");
-
- net->gsup_server_addr_str = talloc_strdup(net,
- MSC_HLR_REMOTE_IP_DEFAULT);
- net->gsup_server_port = MSC_HLR_REMOTE_PORT_DEFAULT;
-
- mgcpgw_client_conf_init(&net->mgcpgw.conf);
-
- return net;
-}
-
-void msc_network_shutdown(struct gsm_network *net)
-{
- /* nothing here yet */
-}
-
-static struct gsm_network *msc_network = NULL;
-
-extern void *tall_vty_ctx;
-static void signal_handler(int signal)
-{
- fprintf(stdout, "signal %u received\n", signal);
-
- switch (signal) {
- case SIGINT:
- case SIGTERM:
- msc_network_shutdown(msc_network);
- osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL);
- sleep(3);
- exit(0);
- break;
- case SIGABRT:
- osmo_generate_backtrace();
- /* 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_msc_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);
-}
-
-extern int bsc_vty_go_parent(struct vty *vty);
-
-static struct vty_app_info msc_vty_info = {
- .name = "OsmoMSC",
- .version = PACKAGE_VERSION,
- .go_parent_cb = bsc_vty_go_parent,
- .is_config_node = bsc_vty_is_config_node,
-};
-
-#ifdef BUILD_IU
-static int rcvmsg_iu_cs(struct msgb *msg, struct gprs_ra_id *ra_id, uint16_t *sai)
-{
- DEBUGP(DIUCS, "got IuCS message"
- " %d bytes: %s\n",
- msg->len, osmo_hexdump(msg->data, msg->len));
- if (ra_id) {
- DEBUGP(DIUCS, "got IuCS message on"
- " MNC %d MCC %d LAC %d RAC %d\n",
- ra_id->mnc, ra_id->mcc, ra_id->lac, ra_id->rac);
- }
-
- return gsm0408_rcvmsg_iucs(msc_network, msg, ra_id? &ra_id->lac : NULL);
-}
-
-static int rx_iu_event(struct ranap_ue_conn_ctx *ctx, enum ranap_iu_event_type type,
- void *data)
-{
- DEBUGP(DIUCS, "got IuCS event %u: %s\n", type,
- ranap_iu_event_type_str(type));
-
- return iucs_rx_ranap_event(msc_network, ctx, type, data);
-}
-#endif
-
-#define DEFAULT_M3UA_REMOTE_IP "127.0.0.1"
-#define DEFAULT_PC_A "0.23.1"
-#define DEFAULT_PC_IU "0.23.2"
-#define DEFAULT_PC_A_IU DEFAULT_PC_A
-
-static struct osmo_sccp_instance *sccp_setup(void *ctx, uint32_t cs7_instance,
- const char *label, const char *default_pc_str)
-{
- int default_pc = osmo_ss7_pointcode_parse(NULL, default_pc_str);
- if (default_pc < 0)
- return NULL;
-
- return osmo_sccp_simple_client_on_ss7_id(ctx, cs7_instance, label, default_pc,
- OSMO_SS7_ASP_PROT_M3UA,
- 0, NULL, /* local: use arbitrary port and 0.0.0.0. */
- 0, /* remote: use protocol default port */
- DEFAULT_M3UA_REMOTE_IP);
- /* Note: If a differing remote IP is to be used, it was already entered in the vty config at
- * 'cs7' / 'asp' / 'remote-ip', and this default remote IP has no effect.
- * Similarly, 'cs7' / 'listen' can specify the local IP address. */
-}
-
-static int ss7_setup(void *ctx)
-{
- uint32_t cs7_instance_a = msc_network->a.cs7_instance;
-#if BUILD_IU
- uint32_t cs7_instance_iu = msc_network->iu.cs7_instance;
-
- if (cs7_instance_a == cs7_instance_iu) {
- /* Create one single SCCP instance which will be used for both,
- * Iu and A at the same time, under the same point-code */
- LOGP(DMSC, LOGL_NOTICE, "CS7 Instance identifiers: A = Iu = %u\n", cs7_instance_a);
-
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A-Iu", DEFAULT_PC_A_IU);
- if (!msc_network->a.sccp)
- return -EINVAL;
-
- msc_network->iu.sccp = msc_network->a.sccp;
- } else {
- /* Create two separate SCCP instances to run A and Iu independently on different
- * pointcodes */
- LOGP(DMSC, LOGL_NOTICE, "CS7 Instance identifiers: A = %u, Iu = %u\n",
- cs7_instance_a, cs7_instance_iu);
-
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A", DEFAULT_PC_A);
- if (!msc_network->a.sccp)
- return -EINVAL;
-
- msc_network->iu.sccp = sccp_setup(ctx, cs7_instance_iu, "OsmoMSC-Iu", DEFAULT_PC_IU);
- if (!msc_network->iu.sccp)
- return -EINVAL;
- }
-#else
- /* No Iu support, just open up an A instance */
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A", DEFAULT_PC_A);
- if (!msc_network->a.sccp)
- return -EINVAL;
-#endif
-
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- int rc;
-
- msc_vty_info.copyright = osmomsc_copyright;
-
- tall_msc_ctx = talloc_named_const(NULL, 1, "osmo_msc");
- talloc_ctx_init(tall_msc_ctx);
-
- osmo_init_logging(&log_info);
- osmo_stats_init(tall_msc_ctx);
-
- /* For --version, vty_init() must be called before handling options */
- vty_init(&msc_vty_info);
-
- osmo_ss7_init();
- osmo_ss7_vty_init_asp(tall_msc_ctx);
-
- /* Parse options */
- handle_options(argc, argv);
-
- /* Allocate global gsm_network struct; choose socket/internal MNCC */
- msc_network = msc_network_alloc(tall_msc_ctx,
- msc_cmdline_config.mncc_sock_path?
- mncc_sock_from_cc
- : int_mncc_recv);
- if (!msc_network)
- return -ENOMEM;
-
- if (msc_vlr_alloc(msc_network)) {
- fprintf(stderr, "Failed to allocate VLR\n");
- exit(1);
- }
-
- ctrl_vty_init(tall_msc_ctx);
- logging_vty_add_cmds(&log_info);
- msc_vty_init(msc_network);
- bsc_vty_init_extra();
-
-#ifdef BUILD_SMPP
- if (smpp_openbsc_alloc_init(tall_msc_ctx) < 0)
- return -1;
-#endif
-
- /*
- * For osmo-nitb, skip TCH/F for now, because otherwise dyn TS
- * always imply the possibility to have a mix of TCH/F and
- * TCH/H channels; if two phones request a TCH/F and a TCH/H,
- * respectively, they cannot call each other. If we deny TCH/F,
- * they will both fall back to TCH/H, and dynamic channels are
- * usable. See OS#1778.
- *
- * A third-party MSC may well be able to handle a TCH/H TCH/F
- * mismatch. Moreover, this option may be overwritten in the
- * config file or in VTY.
- */
- msc_network->dyn_ts_allow_tch_f = false;
-
- rc = vty_read_config_file(msc_cmdline_config.config_file, NULL);
- if (rc < 0) {
- LOGP(DNM, LOGL_FATAL, "Failed to parse the config file: '%s'\n",
- msc_cmdline_config.config_file);
- return 1;
- }
-
- /* Initialize MNCC socket if appropriate */
- if (msc_cmdline_config.mncc_sock_path) {
- rc = mncc_sock_init(msc_network,
- msc_cmdline_config.mncc_sock_path);
- if (rc) {
- fprintf(stderr, "MNCC socket initialization failed. exiting.\n");
- exit(1);
- }
- } else
- DEBUGP(DMNCC, "Using internal MNCC handler.\n");
-
- /* start telnet after reading config for vty_get_bind_addr() */
- rc = telnet_init_dynif(tall_msc_ctx, &msc_network,
- vty_get_bind_addr(), OSMO_VTY_PORT_MSC);
- if (rc < 0)
- return 2;
-
- /* BSC stuff is to be split behind an A-interface to be used with
- * OsmoBSC, but there is no need to remove it yet. Most of the
- * following code until iu_init() is legacy. */
-
-#ifdef BUILD_SMPP
- smpp_openbsc_start(msc_network);
-#endif
-
- /* start control interface after reading config for
- * ctrl_vty_get_bind_addr() */
- msc_network->ctrl = ctrl_interface_setup_dynip(msc_network, ctrl_vty_get_bind_addr(),
- OSMO_CTRL_PORT_MSC, NULL);
- if (!msc_network->ctrl) {
- printf("Failed to initialize control interface. Exiting.\n");
- return -1;
- }
-
-#if 0
-TODO: we probably want some of the _net_ ctrl commands from bsc_base_ctrl_cmds_install().
- if (bsc_base_ctrl_cmds_install() != 0) {
- printf("Failed to initialize the BSC control commands.\n");
- return -1;
- }
-#endif
-
- if (msc_ctrl_cmds_install(msc_network) != 0) {
- printf("Failed to initialize the MSC control commands.\n");
- return -1;
- }
-
- /* seed the PRNG */
- srand(time(NULL));
- /* TODO: is this used for crypto?? Improve randomness, at least we
- * should try to use the nanoseconds part of the current time. */
-
- if (db_init(msc_cmdline_config.database_name)) {
- printf("DB: Failed to init database: %s\n",
- msc_cmdline_config.database_name);
- return 4;
- }
-
- osmo_fsm_log_addr(true);
- if (msc_vlr_start(msc_network)) {
- fprintf(stderr, "Failed to start VLR\n");
- exit(1);
- }
-
- msc_subscr_conn_init();
-
- if (db_prepare()) {
- printf("DB: Failed to prepare database.\n");
- return 5;
- }
-
- /* setup the timer */
- osmo_timer_setup(&db_sync_timer, db_sync_timer_cb, NULL);
- if (msc_cmdline_config.use_db_counter)
- osmo_timer_schedule(&db_sync_timer, DB_SYNC_INTERVAL);
-
- signal(SIGINT, &signal_handler);
- signal(SIGTERM, &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(msc_network, 20) != 0)
- return -1;
-
- msc_network->mgcpgw.client = mgcpgw_client_init(
- msc_network, &msc_network->mgcpgw.conf);
-
- if (mgcpgw_client_connect(msc_network->mgcpgw.client)) {
- printf("MGCPGW connect failed\n");
- return 7;
- }
-
- if (ss7_setup(tall_msc_ctx)) {
- printf("Setting up SCCP client failed.\n");
- return 8;
- }
-
-#ifdef BUILD_IU
- /* Set up IuCS */
- ranap_iu_init(tall_msc_ctx, DRANAP, "OsmoMSC-IuCS", msc_network->iu.sccp, rcvmsg_iu_cs, rx_iu_event);
-#endif
-
- /* Set up A interface */
- a_init(msc_network->a.sccp, msc_network);
-
- if (msc_cmdline_config.daemonize) {
- rc = osmo_daemonize();
- if (rc < 0) {
- perror("Error during daemonize");
- return 6;
- }
- }
-
- while (1) {
- log_reset_context();
- osmo_select_main(0);
- }
-}