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
|
/* pcu_main.cpp
*
* Copyright (C) 2012 Ivan Klyuchnikov
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <gprs_bssgp_pcu.h>
#include <arpa/inet.h>
#include <pcu_l1_if.h>
#include <gsm_timer.h>
#include <gprs_debug.h>
// TODO: We should move this parameters to config file.
#define SGSN_IP "127.0.0.1"
#define SGSN_PORT 23000
#define NSVCI 4
int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, struct msgb *msg, uint16_t bvci)
{
int rc = 0;
switch (event) {
case GPRS_NS_EVT_UNIT_DATA:
/* hand the message into the BSSGP implementation */
rc = gprs_bssgp_pcu_rcvmsg(msg);
break;
default:
LOGP(DPCU, LOGL_ERROR, "RLCMAC: Unknown event %u from NS\n", event);
if (msg)
talloc_free(msg);
rc = -EIO;
break;
}
return rc;
}
int main(int argc, char *argv[])
{
uint16_t nsvci = NSVCI;
struct gprs_ns_inst *sgsn_nsi;
struct gprs_nsvc *nsvc;
osmo_init_logging(&gprs_log_info);
pcu_l1if_open();
sgsn_nsi = gprs_ns_instantiate(&sgsn_ns_cb);
bssgp_nsi = sgsn_nsi;
if (!bssgp_nsi)
{
LOGP(DPCU, LOGL_ERROR, "Unable to instantiate NS\n");
exit(1);
}
bctx = btsctx_alloc(BVCI, NSEI);
bctx->cell_id = CELL_ID;
bctx->nsei = NSEI;
bctx->ra_id.mnc = MNC;
bctx->ra_id.mcc = MCC;
bctx->ra_id.lac = PCU_LAC;
bctx->ra_id.rac = PCU_RAC;
bctx->bvci = BVCI;
uint8_t cause = 39;
gprs_ns_nsip_listen(sgsn_nsi);
struct sockaddr_in dest;
dest.sin_family = AF_INET;
dest.sin_port = htons(SGSN_PORT);
inet_aton(SGSN_IP, &dest.sin_addr);
nsvc = nsip_connect(sgsn_nsi, &dest, NSEI, nsvci);
unsigned i = 0;
while (1)
{
osmo_gsm_timers_check();
osmo_gsm_timers_prepare();
osmo_gsm_timers_update();
osmo_select_main(0);
if (i == 7)
{
bssgp_tx_bvc_reset(bctx, BVCI, cause);
}
i++;
}
}
|
