aboutsummaryrefslogtreecommitdiffstats
path: root/src/main.c
blob: 07881ef1b0eed3437e576f7209ca07d5bb76f390 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/* Bloated main routine, refactor */
/*
 * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
 * (C) 2010-2011 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 <mtp_data.h>
#include <msc_connection.h>
#include <mtp_level3.h>
#include <thread.h>
#include <bss_patch.h>
#include <bssap_sccp.h>
#include <bsc_data.h>
#include <cellmgr_debug.h>
#include <bsc_sccp.h>
#include <ss7_application.h>

#include <osmocore/talloc.h>

#include <osmocom/vty/vty.h>
#include <osmocom/vty/telnet_interface.h>

#include <sys/stat.h>
#include <sys/types.h>

#include <signal.h>

static struct log_target *stderr_target;

char *config = "cellmgr_ng.cfg";

struct bsc_data *bsc;
extern void cell_vty_init(void);
extern void handle_options(int argc, char **argv);

static void sigint()
{
	static pthread_mutex_t exit_mutex = PTHREAD_MUTEX_INITIALIZER;
	static int handled = 0;

	struct mtp_link_set *set;

	/* failed to lock */
	if (pthread_mutex_trylock(&exit_mutex) != 0)
		return;
	if (handled)
		goto out;

	printf("Terminating.\n");
	handled = 1;
	if (bsc) {
		llist_for_each_entry(set, &bsc->linksets, entry)
			link_shutdown_all(set);
	}

	exit(0);

out:
	pthread_mutex_unlock(&exit_mutex);
}

static void sigusr2()
{
	struct msc_connection *msc;
	printf("Closing the MSC connection on demand.\n");

	llist_for_each_entry(msc, &bsc->mscs, entry)
		msc_close_connection(msc);
}

static void bsc_msc_forward_init(struct msc_connection *msc)
{
	msc->ip = talloc_strdup(msc, "127.0.0.1");
	msc->ping_time = 20;
	msc->pong_time = 5;
	msc->msc_time = 20;
}

int main(int argc, char **argv)
{
	int rc;
	struct msc_connection *msc;
	struct mtp_link_set *set;
	struct ss7_application *app;

	thread_init();

	log_init(&log_info);
	stderr_target = log_target_create_stderr();
	log_add_target(stderr_target);

	/* enable filters */
	log_set_all_filter(stderr_target, 1);
	log_set_category_filter(stderr_target, DINP, 1, LOGL_INFO);
	log_set_category_filter(stderr_target, DSCCP, 1, LOGL_INFO);
	log_set_category_filter(stderr_target, DMSC, 1, LOGL_INFO);
	log_set_category_filter(stderr_target, DMGCP, 1, LOGL_INFO);
	log_set_print_timestamp(stderr_target, 1);
	log_set_use_color(stderr_target, 0);

	sccp_set_log_area(DSCCP);

	bsc = bsc_data_create();
	if (!bsc)
		return -1;

	/* msc data */
	msc = msc_connection_create(bsc, 1);
	if (!msc) {
		LOGP(DINP, LOGL_ERROR, "Failed to create the MSC connection.\n");
		return -1;
	}
	bsc_msc_forward_init(msc);

	handle_options(argc, argv);

	signal(SIGPIPE, SIG_IGN);
	signal(SIGINT, sigint);
	signal(SIGUSR2, sigusr2);
	srand(time(NULL));

	cell_vty_init();
	if (vty_read_config_file(config, NULL) < 0) {
		fprintf(stderr, "Failed to read the VTY config.\n");
		return -1;
	}

	rc = telnet_init(NULL, NULL, 4242);
	if (rc < 0)
		return rc;

	set = link_init(bsc);
	if (!set)
		return -1;

	app = ss7_application_alloc(bsc);
	if (!app) {
		LOGP(DINP, LOGL_ERROR, "Failed to create the SS7 application.\n");
		return -1;
	}

	ss7_application_setup(app, APP_CELLMGR,
			      SS7_SET_LINKSET, 0,
			      SS7_SET_MSC, 0);
	ss7_application_start(app);

        while (1) {
		bsc_select_main(0);
        }

	return 0;
}