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bsc_msc_ip.c: Create the GSM network earlier, send the reset on each connection

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Create the GSM network at the end of the init, send the
GSM reset on each reconnection and close a small window
when we would send a SCCP msg before being authenticated.

For that we have introduced an authenticated into the bsc_msc
struct and will manage it inside the bsc_msc_ip.c
This commit is contained in:
Holger Hans Peter Freyther
2010-04-14 08:47:15 +02:00
parent c0a1fff064
commit 15c21e8eec
2 changed files with 15 additions and 11 deletions
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1
openbsc/include/openbsc/bsc_msc.h
View File

@@ -29,6 +29,7 @@
struct bsc_msc_connection {
struct write_queue write_queue;
int is_connected;
int is_authenticated;
const char *ip;
int port;

25
openbsc/src/bsc_msc_ip.c
View File

@@ -217,7 +217,7 @@ static int open_sccp_connection(struct msgb *layer3)
struct msgb *data;
/* When not connected to a MSC. We will simply close things down. */
if (!msc_con->is_connected) {
if (!msc_con->is_authenticated) {
LOGP(DMSC, LOGL_ERROR, "Not connected to a MSC. Not forwarding data.\n");
use_subscr_con(&layer3->lchan->conn);
put_subscr_con(&layer3->lchan->conn, 0);
@@ -762,18 +762,10 @@ static int msc_sccp_read(struct msgb *msgb, unsigned int length, void *data)
*/
static void initialize_if_needed(void)
{
if (!bsc_gsmnet) {
int rc;
struct msgb *msg;
fprintf(stderr, "Bootstraping the network. Sending GSM08.08 reset.\n");
rc = bsc_bootstrap_network(NULL, config_file);
if (rc < 0) {
fprintf(stderr, "Bootstrapping the network failed. exiting.\n");
exit(1);
}
struct msgb *msg;
if (!msc_con->is_authenticated) {
/* send a gsm 08.08 reset message from here */
msg = bssmap_create_reset();
if (!msg) {
@@ -783,6 +775,7 @@ static void initialize_if_needed(void)
sccp_write(msg, &sccp_ssn_bssap, &sccp_ssn_bssap, 0);
msgb_free(msg);
msc_con->is_authenticated = 1;
}
}
@@ -839,6 +832,7 @@ static void msc_connection_was_lost(struct bsc_msc_connection *msc)
bss_sccp_free_data(bss);
}
msc->is_authenticated = 0;
bsc_msc_schedule_connect(msc);
}
@@ -1029,6 +1023,8 @@ extern int bts_model_nanobts_init(void);
int main(int argc, char **argv)
{
int rc;
log_init(&log_info);
tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
stderr_target = log_target_create_stderr();
@@ -1081,6 +1077,13 @@ int main(int argc, char **argv)
bsc_msc_connect(msc_con);
fprintf(stderr, "Bootstraping the network. Sending GSM08.08 reset.\n");
rc = bsc_bootstrap_network(NULL, config_file);
if (rc < 0) {
fprintf(stderr, "Bootstrapping the network failed. exiting.\n");
exit(1);
}
while (1) {
bsc_select_main(0);
}