move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 301 insertions, 0 deletions

diff --git a/src/osmo-bsc/osmo_bsc_main.c b/src/osmo-bsc/osmo_bsc_main.c
new file mode 100644
index 000000000..ee094d670
--- /dev/null
+++ b/src/osmo-bsc/osmo_bsc_main.c
@@ -0,0 +1,301 @@
+/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2009-2011 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 <openbsc/bss.h>
+#include <openbsc/debug.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/osmo_bsc.h>
+#include <openbsc/osmo_bsc_rf.h>
+#include <openbsc/bsc_msc_data.h>
+#include <openbsc/signal.h>
+#include <openbsc/vty.h>
+#include <openbsc/ipaccess.h>
+#include <openbsc/ctrl.h>
+
+#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/stats.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+
+#include <osmocom/abis/abis.h>
+
+#include <osmocom/sccp/sccp.h>
+
+#define _GNU_SOURCE
+#include <getopt.h>
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+
+#include "../../bscconfig.h"
+
+struct gsm_network *bsc_gsmnet = 0;
+static const char *config_file = "openbsc.cfg";
+static const char *rf_ctrl = NULL;
+extern const char *openbsc_copyright;
+static int daemonize = 0;
+static struct llist_head access_lists;
+
+struct llist_head *bsc_access_lists(void)
+{
+	return &access_lists;
+}
+
+static void print_usage()
+{
+	printf("Usage: osmo-bsc\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 option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n");
+	printf("  -s --disable-color\n");
+	printf("  -T --timestamp. Print a timestamp in the debug output.\n");
+	printf("  -c --config-file filename The config file to use.\n");
+	printf("  -l --local=IP. The local address of the MGCP.\n");
+	printf("  -e --log-level number. Set a global loglevel.\n");
+	printf("  -r --rf-ctl NAME. A unix domain socket to listen for cmds.\n");
+	printf("  -t --testmode. A special mode to provoke failures at the MSC.\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'},
+			{"timestamp", 0, 0, 'T'},
+			{"local", 1, 0, 'l'},
+			{"log-level", 1, 0, 'e'},
+			{"rf-ctl", 1, 0, 'r'},
+			{"testmode", 0, 0, 't'},
+			{0, 0, 0, 0}
+		};
+
+		c = getopt_long(argc, argv, "hd:DsTc:e:r:t",
+				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':
+			daemonize = 1;
+			break;
+		case 'c':
+			config_file = optarg;
+			break;
+		case 'T':
+			log_set_print_timestamp(osmo_stderr_target, 1);
+			break;
+		case 'e':
+			log_set_log_level(osmo_stderr_target, atoi(optarg));
+			break;
+		case 'r':
+			rf_ctrl = optarg;
+			break;
+		default:
+			/* ignore */
+			break;
+		}
+	}
+}
+
+extern int bsc_vty_go_parent(struct vty *vty);
+
+static struct vty_app_info vty_info = {
+	.name 		= "OsmoBSC",
+	.version	= PACKAGE_VERSION,
+	.go_parent_cb	= bsc_vty_go_parent,
+	.is_config_node	= bsc_vty_is_config_node,
+};
+
+extern int bsc_shutdown_net(struct gsm_network *net);
+static void signal_handler(int signal)
+{
+	struct bsc_msc_data *msc;
+
+	fprintf(stdout, "signal %u received\n", signal);
+
+	switch (signal) {
+	case SIGINT:
+		bsc_shutdown_net(bsc_gsmnet);
+		osmo_signal_dispatch(SS_L_GLOBAL, S_L_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:
+		if (!bsc_gsmnet->bsc_data)
+			return;
+		llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry)
+			bsc_msc_lost(msc->msc_con);
+		break;
+	default:
+		break;
+	}
+}
+
+int main(int argc, char **argv)
+{
+	struct bsc_msc_data *msc;
+	struct osmo_bsc_data *data;
+	int rc;
+
+	tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
+	msgb_talloc_ctx_init(tall_bsc_ctx, 0);
+
+	/* Allocate global gsm_network struct */
+	rc = bsc_network_alloc(NULL);
+	if (rc) {
+		fprintf(stderr, "Allocation failed. exiting.\n");
+		exit(1);
+	}
+
+	osmo_init_logging(&log_info);
+	osmo_stats_init(tall_bsc_ctx);
+
+	bts_init();
+	libosmo_abis_init(tall_bsc_ctx);
+
+	/* enable filters */
+
+	/* This needs to precede handle_options() */
+	vty_info.copyright = openbsc_copyright;
+	vty_init(&vty_info);
+	bsc_vty_init(bsc_gsmnet);
+	bsc_msg_lst_vty_init(tall_bsc_ctx, &access_lists, BSC_NODE);
+	ctrl_vty_init(tall_bsc_ctx);
+
+	INIT_LLIST_HEAD(&access_lists);
+
+	/* parse options */
+	handle_options(argc, argv);
+
+	/* seed the PRNG */
+	srand(time(NULL));
+
+	/* initialize SCCP */
+	sccp_set_log_area(DSCCP);
+
+	/* Read the config */
+	rc = bsc_network_configure(config_file);
+	if (rc < 0) {
+		fprintf(stderr, "Bootstrapping the network failed. exiting.\n");
+		exit(1);
+	}
+	bsc_api_init(bsc_gsmnet, osmo_bsc_api());
+
+	/* start control interface after reading config for
+	 * ctrl_vty_get_bind_addr() */
+	bsc_gsmnet->ctrl = bsc_controlif_setup(bsc_gsmnet,
+					       ctrl_vty_get_bind_addr(),
+					       OSMO_CTRL_PORT_NITB_BSC);
+	if (!bsc_gsmnet->ctrl) {
+		fprintf(stderr, "Failed to init the control interface. Exiting.\n");
+		exit(1);
+	}
+
+	rc = bsc_ctrl_cmds_install(bsc_gsmnet);
+	if (rc < 0) {
+		fprintf(stderr, "Failed to install control commands. Exiting.\n");
+		exit(1);
+	}
+
+	data = bsc_gsmnet->bsc_data;
+	if (rf_ctrl)
+		osmo_talloc_replace_string(data, &data->rf_ctrl_name, rf_ctrl);
+
+	data->rf_ctrl = osmo_bsc_rf_create(data->rf_ctrl_name, bsc_gsmnet);
+	if (!data->rf_ctrl) {
+		fprintf(stderr, "Failed to create the RF service.\n");
+		exit(1);
+	}
+
+	llist_for_each_entry(msc, &bsc_gsmnet->bsc_data->mscs, entry) {
+		if (osmo_bsc_msc_init(msc) != 0) {
+			LOGP(DNAT, LOGL_ERROR, "Failed to start up. Exiting.\n");
+			exit(1);
+		}
+	}
+
+
+	if (osmo_bsc_sccp_init(bsc_gsmnet) != 0) {
+		LOGP(DNM, LOGL_ERROR, "Failed to register SCCP.\n");
+		exit(1);
+	}
+
+	if (osmo_bsc_audio_init(bsc_gsmnet) != 0) {
+		LOGP(DMSC, LOGL_ERROR, "Failed to register audio support.\n");
+		exit(1);
+	}
+
+	signal(SIGINT, &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(0);
+	}
+
+	return 0;
+}