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bsc_msc_ip: Add a test mode to send messages to the MSC.

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Check if the MSC likes paging responses when it has not
recently send out a paging request.
This commit is contained in:
Holger Hans Peter Freyther
2010-05-10 19:22:14 +08:00
parent 376e146cfb
commit 661e68b78f
1 changed files with 34 additions and 1 deletions
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35
openbsc/src/bsc_msc_ip.c
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@@ -65,6 +65,7 @@ static struct in_addr local_addr;
static LLIST_HEAD(active_connections);
static struct write_queue mgcp_agent;
static const char *rf_ctl = NULL;
static int testmode = 0;
extern int ipacc_rtp_direct;
/* msc handling */
@@ -859,6 +860,32 @@ static void send_id_get_response(int fd)
msc_queue_write(msg, IPAC_PROTO_IPACCESS);
}
/*
* Send some packets to test the MSC.
*/
static void test_msc()
{
struct msgb *msg;
if (!testmode)
return;
static const uint8_t pag_resp[] = {
0x01, 0xf3, 0x26, 0x09, 0x02, 0x02, 0x04, 0x02, 0x42,
0xfe, 0x0f, 0x1f, 0x00, 0x1d, 0x57, 0x05, 0x08, 0x00,
0x72, 0xf4, 0x80, 0x10, 0x1c, 0x9c, 0x40, 0x17, 0x10,
0x06, 0x27, 0x02, 0x03, 0x30, 0x18, 0xa0, 0x08, 0x59,
0x51, 0x30, 0x10, 0x30, 0x32, 0x80, 0x06, 0x00
};
msg = msgb_alloc_headroom(4096, 128, "paging response");
if (!msg)
return;
msg->l2h = msgb_put(msg, sizeof(pag_resp));
memcpy(msg->l2h, pag_resp, sizeof(pag_resp));
msc_queue_write(msg, IPAC_PROTO_SCCP);
}
/*
* The connection to the MSC was lost and we will need to free all
* resources and then attempt to reconnect.
@@ -959,6 +986,7 @@ static int ipaccess_a_fd_cb(struct bsc_fd *bfd)
initialize_if_needed();
else if (msg->l2h[0] == IPAC_MSGT_ID_GET) {
send_id_get_response(bfd->fd);
test_msc();
} else if (msg->l2h[0] == IPAC_MSGT_PONG) {
bsc_del_timer(&msc_pong_timeout);
}
@@ -984,6 +1012,7 @@ static void print_help()
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)
@@ -1000,10 +1029,11 @@ static void handle_options(int argc, char** argv)
{"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:sTc:m:l:e:r:",
c = getopt_long(argc, argv, "hd:sTc:m:l:e:r:t",
long_options, &option_index);
if (c == -1)
break;
@@ -1040,6 +1070,9 @@ static void handle_options(int argc, char** argv)
case 'r':
rf_ctl = optarg;
break;
case 't':
testmode = 1;
break;
default:
/* ignore */
break;