| /* (C) 2020 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 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/lienses/>. |
| * |
| */ |
| |
| #include <osmocom/ctrl/control_cmd.h> |
| #include <osmocom/ctrl/control_if.h> |
| #include <osmocom/ctrl/ports.h> |
| #include <osmocom/ctrl/control_vty.h> |
| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/linuxlist.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/signal.h> |
| #include <osmocom/core/stats.h> |
| #include <osmocom/core/rate_ctr.h> |
| #include <osmocom/vty/telnet_interface.h> |
| #include <osmocom/vty/ports.h> |
| #include <osmocom/vty/logging.h> |
| #include <osmocom/vty/command.h> |
| #include <osmocom/vty/misc.h> |
| |
| #include <osmocom/sigtran/xua_msg.h> |
| #include <osmocom/sigtran/sccp_sap.h> |
| |
| #include <osmocom/smlc/debug.h> |
| #include <osmocom/smlc/smlc_data.h> |
| #include <osmocom/smlc/sccp_lb_inst.h> |
| #include <osmocom/smlc/cell_locations.h> |
| |
| #define _GNU_SOURCE |
| #include <getopt.h> |
| |
| #include <signal.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| #include "../../config.h" |
| |
| #define DEFAULT_M3UA_LOCAL_IP "localhost" |
| #define DEFAULT_M3UA_REMOTE_IP "localhost" |
| #define SMLC_DEFAULT_PC "0.23.6" |
| |
| static const char *config_file = "osmo-smlc.cfg"; |
| static int daemonize = 0; |
| static void *tall_smlc_ctx; |
| struct smlc_state *g_smlc; |
| |
| static void print_usage() |
| { |
| printf("Usage: osmo-smlc\n"); |
| } |
| |
| static void print_help() |
| { |
| printf(" Some useful help...\n"); |
| printf(" -h --help This text.\n"); |
| printf(" -D --daemonize Fork the process into a background daemon.\n"); |
| printf(" -d --debug option --debug=DRLL:DMM:DRR:DRSL:DNM enable debugging.\n"); |
| printf(" -V --version Print the version of OsmoBSC.\n"); |
| printf(" -c --config-file filename The config file to use.\n"); |
| printf(" -e --log-level number Set a global loglevel.\n"); |
| printf(" --vty-ref-xml Generate the VTY reference XML output and exit.\n"); |
| } |
| |
| static void handle_long_options(const char *prog_name, const int long_option) |
| { |
| static int vty_ref_mode = VTY_REF_GEN_MODE_DEFAULT; |
| |
| switch (long_option) { |
| case 1: |
| vty_ref_mode = get_string_value(vty_ref_gen_mode_names, optarg); |
| if (vty_ref_mode < 0) { |
| fprintf(stderr, "%s: Unknown VTY reference generation " |
| "mode '%s'\n", prog_name, optarg); |
| exit(2); |
| } |
| break; |
| case 2: |
| fprintf(stderr, "Generating the VTY reference in mode '%s' (%s)\n", |
| get_value_string(vty_ref_gen_mode_names, vty_ref_mode), |
| get_value_string(vty_ref_gen_mode_desc, vty_ref_mode)); |
| vty_dump_xml_ref_mode(stdout, (enum vty_ref_gen_mode) vty_ref_mode); |
| exit(0); |
| default: |
| fprintf(stderr, "%s: error parsing cmdline options\n", prog_name); |
| exit(2); |
| } |
| } |
| |
| static void handle_options(int argc, char **argv) |
| { |
| while (1) { |
| int option_index = 0, c; |
| static int long_option = 0; |
| static struct option long_options[] = { |
| {"help", 0, 0, 'h'}, |
| {"debug", 1, 0, 'd'}, |
| {"daemonize", 0, 0, 'D'}, |
| {"config-file", 1, 0, 'c'}, |
| {"version", 0, 0, 'V' }, |
| {"log-level", 1, 0, 'e'}, |
| {"vty-ref-mode", 1, &long_option, 1}, |
| {"vty-ref-xml", 0, &long_option, 2}, |
| {0, 0, 0, 0} |
| }; |
| |
| c = getopt_long(argc, argv, "hd:Dc:Ve:", |
| long_options, &option_index); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 'h': |
| print_usage(); |
| print_help(); |
| exit(0); |
| case 0: |
| handle_long_options(argv[0], long_option); |
| break; |
| case 'd': |
| log_parse_category_mask(osmo_stderr_target, optarg); |
| break; |
| case 'D': |
| daemonize = 1; |
| break; |
| case 'c': |
| config_file = optarg; |
| break; |
| case 'V': |
| print_version(1); |
| exit(0); |
| break; |
| case 'e': |
| log_set_log_level(osmo_stderr_target, atoi(optarg)); |
| break; |
| default: |
| /* catch unknown options *as well as* missing arguments. */ |
| fprintf(stderr, "Error in command line options. Exiting.\n"); |
| exit(-1); |
| } |
| } |
| |
| if (argc > optind) { |
| fprintf(stderr, "Unsupported positional arguments on command line\n"); |
| exit(2); |
| } |
| } |
| |
| static struct vty_app_info vty_info = { |
| .name = "OsmoSMLC", |
| .copyright = |
| "Copyright (C) 2020 Harald Welte and sysmocom - s.f.m.c. GmbH\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", |
| .version = PACKAGE_VERSION, |
| }; |
| |
| static void signal_handler(int signal) |
| { |
| fprintf(stdout, "signal %u received\n", signal); |
| |
| switch (signal) { |
| case SIGINT: |
| case SIGTERM: |
| 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_full(tall_smlc_ctx, stderr); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static const struct log_info_cat smlc_categories[] = { |
| [DSMLC] = { |
| .name = "DSMLC", |
| .description = "Serving Mobile Location Center", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DREF] = { |
| .name = "DREF", |
| .description = "Reference Counting", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DLB] = { |
| .name = "DLB", |
| .description = "Lb interface", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DLCS] = { |
| .name = "DLCS", |
| .description = "Location Services", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| }; |
| |
| const struct log_info log_info = { |
| .cat = smlc_categories, |
| .num_cat = ARRAY_SIZE(smlc_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| int rc; |
| int default_pc; |
| |
| tall_smlc_ctx = talloc_named_const(NULL, 1, "osmo-smlc"); |
| msgb_talloc_ctx_init(tall_smlc_ctx, 0); |
| osmo_signal_talloc_ctx_init(tall_smlc_ctx); |
| osmo_xua_msg_tall_ctx_init(tall_smlc_ctx); |
| vty_info.tall_ctx = tall_smlc_ctx; |
| |
| osmo_init_logging2(tall_smlc_ctx, &log_info); |
| osmo_stats_init(tall_smlc_ctx); |
| rate_ctr_init(tall_smlc_ctx); |
| |
| osmo_fsm_set_dealloc_ctx(OTC_SELECT); |
| |
| g_smlc = smlc_state_alloc(tall_smlc_ctx); |
| |
| /* This needs to precede handle_options() */ |
| vty_init(&vty_info); |
| logging_vty_add_cmds(); |
| osmo_talloc_vty_add_cmds(); |
| ctrl_vty_init(tall_smlc_ctx); |
| cell_locations_vty_init(); |
| |
| /* Initialize SS7 */ |
| OSMO_ASSERT(osmo_ss7_init() == 0); |
| osmo_ss7_vty_init_asp(tall_smlc_ctx); |
| osmo_sccp_vty_init(); |
| |
| /* parse options */ |
| handle_options(argc, argv); |
| |
| /* Read the config */ |
| rc = vty_read_config_file(config_file, NULL); |
| if (rc < 0) { |
| fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file); |
| exit(1); |
| } |
| |
| /* Start telnet interface after reading config for vty_get_bind_addr() */ |
| rc = telnet_init_dynif(tall_smlc_ctx, g_smlc, vty_get_bind_addr(), OSMO_VTY_PORT_SMLC); |
| if (rc < 0) |
| exit(1); |
| |
| /* start control interface after reading config for |
| * ctrl_vty_get_bind_addr() */ |
| g_smlc->ctrl = ctrl_interface_setup2(g_smlc, OSMO_CTRL_PORT_SMLC, smlc_ctrl_node_lookup, _LAST_CTRL_NODE_SMLC); |
| if (!g_smlc->ctrl) { |
| fprintf(stderr, "Failed to init the control interface. Exiting.\n"); |
| exit(1); |
| } |
| |
| /* |
| rc = smlc_ctrl_cmds_install(g_smlc); |
| if (rc < 0) { |
| fprintf(stderr, "Failed to install control commands. Exiting.\n"); |
| exit(1); |
| } |
| */ |
| |
| default_pc = osmo_ss7_pointcode_parse(NULL, SMLC_DEFAULT_PC); |
| OSMO_ASSERT(default_pc); |
| |
| g_smlc->sccp_inst = osmo_sccp_simple_client_on_ss7_id(g_smlc, 0, "Lb", default_pc, OSMO_SS7_ASP_PROT_M3UA, |
| 0, DEFAULT_M3UA_LOCAL_IP, 0, DEFAULT_M3UA_REMOTE_IP); |
| if (!g_smlc->sccp_inst) { |
| fprintf(stderr, "Setting up SCCP failed\n"); |
| return 1; |
| } |
| |
| g_smlc->lb = sccp_lb_init(g_smlc, g_smlc->sccp_inst, OSMO_SCCP_SSN_SMLC_BSSAP_LE, "OsmoSMLC-Lb"); |
| if (!g_smlc->lb) { |
| fprintf(stderr, "Setting up Lb receiver failed\n"); |
| return 1; |
| } |
| |
| signal(SIGINT, &signal_handler); |
| signal(SIGTERM, &signal_handler); |
| signal(SIGABRT, &signal_handler); |
| signal(SIGUSR1, &signal_handler); |
| signal(SIGUSR2, &signal_handler); |
| osmo_init_ignore_signals(); |
| |
| if (daemonize) { |
| rc = osmo_daemonize(); |
| if (rc < 0) { |
| perror("Error during daemonize"); |
| exit(1); |
| } |
| } |
| |
| while (1) { |
| osmo_select_main_ctx(0); |
| } |
| |
| return 0; |
| } |