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nat: Also send a Clear Command in case of the USSD Provider dies

This commit is contained in:
Holger Hans Peter Freyther 2010-10-27 11:58:04 +02:00
parent 54f5352e07
commit a8a50a87ea
1 changed files with 23 additions and 0 deletions
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23
openbsc/src/nat/bsc_nat.c
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@ -252,6 +252,28 @@ static void nat_send_rlsd_bsc(struct sccp_connections *conn)
bsc_write(conn->bsc, msg, IPAC_PROTO_SCCP);
}
static void nat_send_clrc_bsc(struct sccp_connections *conn)
{
struct msgb *msg;
struct msgb *sccp;
msg = gsm0808_create_clear_command(0x20);
if (!msg) {
LOGP(DNAT, LOGL_ERROR, "Failed to allocate clear command.\n");
return;
}
sccp = sccp_create_dt1(&conn->real_ref, msg->data, msg->len);
if (!sccp) {
LOGP(DNAT, LOGL_ERROR, "Failed to allocate SCCP msg.\n");
msgb_free(msg);
return;
}
msgb_free(msg);
bsc_write(conn->bsc, sccp, IPAC_PROTO_SCCP);
}
static void nat_send_rlc(struct bsc_msc_connection *msc_con,
struct sccp_source_reference *src,
struct sccp_source_reference *dst)
@ -1339,6 +1361,7 @@ int bsc_close_ussd_connections(struct bsc_nat *nat)
if (!con->bsc)
continue;
nat_send_clrc_bsc(con);
nat_send_rlsd_bsc(con);
}