264 lines
6.6 KiB
C
264 lines
6.6 KiB
C
/* (C) 2020 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/lienses/>.
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*
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*/
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#include <osmocom/ctrl/control_cmd.h>
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#include <osmocom/ctrl/control_if.h>
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#include <osmocom/ctrl/ports.h>
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#include <osmocom/ctrl/control_vty.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/signal.h>
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#include <osmocom/core/stats.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/ports.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/sigtran/xua_msg.h>
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#include <osmocom/sigtran/sccp_sap.h>
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#include <osmocom/smlc/smlc_data.h>
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#include <osmocom/smlc/smlc_sigtran.h>
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#define _GNU_SOURCE
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#include <getopt.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include "../../config.h"
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static const char *config_file = "osmo-smlc.cfg";
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static int daemonize = 0;
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static void *tall_smlc_ctx;
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struct smlc_state *g_smlc;
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static void print_usage()
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{
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printf("Usage: osmo-smlc\n");
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}
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static void print_help()
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{
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printf(" Some useful help...\n");
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printf(" -h --help This text.\n");
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printf(" -D --daemonize Fork the process into a background daemon.\n");
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printf(" -d --debug option --debug=DRLL:DMM:DRR:DRSL:DNM enable debugging.\n");
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printf(" -V --version Print the version of OsmoBSC.\n");
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printf(" -c --config-file filename The config file to use.\n");
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printf(" -e --log-level number Set a global loglevel.\n");
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printf(" --vty-ref-xml Generate the VTY reference XML output and exit.\n");
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}
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static void handle_options(int argc, char **argv)
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{
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while (1) {
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int option_index = 0, c;
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static int long_option = 0;
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static struct option long_options[] = {
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{"help", 0, 0, 'h'},
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{"debug", 1, 0, 'd'},
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{"daemonize", 0, 0, 'D'},
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{"config-file", 1, 0, 'c'},
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{"version", 0, 0, 'V' },
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{"log-level", 1, 0, 'e'},
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{"vty-ref-xml", 0, &long_option, 1},
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv, "hd:Dc:Ve:",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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print_usage();
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print_help();
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exit(0);
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case 0:
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switch (long_option) {
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case 1:
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vty_dump_xml_ref(stdout);
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exit(0);
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default:
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fprintf(stderr, "error parsing cmdline options\n");
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exit(2);
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}
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case 'd':
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log_parse_category_mask(osmo_stderr_target, optarg);
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break;
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case 'D':
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daemonize = 1;
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break;
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case 'c':
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config_file = optarg;
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break;
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case 'V':
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print_version(1);
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exit(0);
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break;
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case 'e':
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log_set_log_level(osmo_stderr_target, atoi(optarg));
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break;
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default:
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/* catch unknown options *as well as* missing arguments. */
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fprintf(stderr, "Error in command line options. Exiting.\n");
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exit(-1);
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}
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}
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if (argc > optind) {
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fprintf(stderr, "Unsupported positional arguments on command line\n");
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exit(2);
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}
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}
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static struct vty_app_info vty_info = {
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.name = "OsmoSMLC",
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.copyright =
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"Copyright (C) 2020 Harald Welte and sysmocom - s.f.m.c. GmbH\r\n\r\n"
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"License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
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"This is free software: you are free to change and redistribute it.\r\n"
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"There is NO WARRANTY, to the extent permitted by law.\r\n",
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.version = PACKAGE_VERSION,
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};
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static void signal_handler(int signal)
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{
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fprintf(stdout, "signal %u received\n", signal);
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switch (signal) {
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case SIGINT:
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case SIGTERM:
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exit(0);
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break;
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case SIGABRT:
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/* in case of abort, we want to obtain a talloc report
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* and then return to the caller, who will abort the process */
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case SIGUSR1:
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talloc_report_full(tall_smlc_ctx, stderr);
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break;
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default:
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break;
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}
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}
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static const struct log_info_cat smlc_categories[] = {
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};
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const struct log_info log_info = {
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.cat = smlc_categories,
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.num_cat = ARRAY_SIZE(smlc_categories),
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};
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int main(int argc, char **argv)
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{
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int rc;
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tall_smlc_ctx = talloc_named_const(NULL, 1, "osmo-smlc");
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msgb_talloc_ctx_init(tall_smlc_ctx, 0);
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osmo_signal_talloc_ctx_init(tall_smlc_ctx);
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osmo_xua_msg_tall_ctx_init(tall_smlc_ctx);
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vty_info.tall_ctx = tall_smlc_ctx;
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osmo_init_logging2(tall_smlc_ctx, &log_info);
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osmo_stats_init(tall_smlc_ctx);
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rate_ctr_init(tall_smlc_ctx);
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osmo_fsm_set_dealloc_ctx(OTC_SELECT);
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g_smlc = talloc_zero(tall_smlc_ctx, struct smlc_state);
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OSMO_ASSERT(g_smlc);
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/* This needs to precede handle_options() */
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vty_init(&vty_info);
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//smlc_vty_init(g_smlc);
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ctrl_vty_init(tall_smlc_ctx);
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/* Initialize SS7 */
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OSMO_ASSERT(osmo_ss7_init() == 0);
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osmo_ss7_vty_init_asp(tall_smlc_ctx);
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osmo_sccp_vty_init();
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/* parse options */
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handle_options(argc, argv);
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/* Read the config */
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rc = vty_read_config_file(config_file, NULL);
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if (rc < 0) {
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fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
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exit(1);
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}
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/* Start telnet interface after reading config for vty_get_bind_addr() */
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rc = telnet_init_dynif(tall_smlc_ctx, g_smlc, vty_get_bind_addr(), OSMO_VTY_PORT_SMLC);
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if (rc < 0)
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exit(1);
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/* start control interface after reading config for
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* ctrl_vty_get_bind_addr() */
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g_smlc->ctrl = ctrl_interface_setup_dynip2(g_smlc, ctrl_vty_get_bind_addr(), OSMO_CTRL_PORT_SMLC,
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smlc_ctrl_node_lookup, _LAST_CTRL_NODE_SMLC);
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if (!g_smlc->ctrl) {
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fprintf(stderr, "Failed to init the control interface. Exiting.\n");
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exit(1);
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}
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/*
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rc = smlc_ctrl_cmds_install(g_smlc);
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if (rc < 0) {
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fprintf(stderr, "Failed to install control commands. Exiting.\n");
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exit(1);
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}
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*/
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if (smlc_sigtran_init() != 0) {
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LOGP(DLB, LOGL_ERROR, "Failed to initialize sigtran backhaul.\n");
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exit(1);
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}
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signal(SIGINT, &signal_handler);
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signal(SIGTERM, &signal_handler);
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signal(SIGABRT, &signal_handler);
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signal(SIGUSR1, &signal_handler);
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signal(SIGUSR2, &signal_handler);
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osmo_init_ignore_signals();
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if (daemonize) {
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rc = osmo_daemonize();
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if (rc < 0) {
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perror("Error during daemonize");
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exit(1);
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}
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}
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while (1) {
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osmo_select_main_ctx(0);
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}
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return 0;
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}
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