manual merge SS from sup-ussd-on-master-ss-wip

1 files changed, 93 insertions, 0 deletions

diff --git a/openbsc/src/libmsc/gsm_ussd_map.c b/openbsc/src/libmsc/gsm_ussd_map.c
new file mode 100644
index 000000000..7ca84b133
--- /dev/null
+++ b/openbsc/src/libmsc/gsm_ussd_map.c
@@ -0,0 +1,93 @@
+/* GSM USSD external MAP interface */
+
+/* (C) 2015 by Sergey Kostanbaev <sergey.kostanbaev@gmail.com>
+ *
+ * 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 <openbsc/gsm_ussd_map.h>
+#include <openbsc/gsm_subscriber.h>
+#include <openbsc/gsm_04_08.h>
+#include <openbsc/debug.h>
+#include <openbsc/db.h>
+#include <openbsc/chan_alloc.h>
+#include <openbsc/gsm_04_08_gprs.h>
+#include <openbsc/gprs_gsup_messages.h>
+#include <openbsc/gprs_gsup_client.h>
+#include <openbsc/osmo_msc.h>
+#include <openbsc/gprs_utils.h>
+#include <openbsc/ussd.h>
+
+
+int ussd_map_tx_message(struct gsm_network* net,
+			struct ss_header *req,
+			const char* extension,
+			uint32_t ref,
+			const uint8_t* component_data)
+{
+	struct msgb *msg = gprs_gsup_msgb_alloc();
+	if (!msg)
+		return -ENOMEM;
+
+	subscr_uss_message(msg, req, extension, ref, component_data);
+
+	return gprs_gsup_client_send(net->ussd_sup_client, msg);
+}
+
+
+static int ussd_map_rx_message_int(struct gsm_network *net, const uint8_t* data, size_t len)
+{
+	char extension[32] = {0};
+	uint32_t ref;
+	struct ss_header ss;
+	memset(&ss, 0, sizeof(ss));
+
+	if (rx_uss_message_parse(data, len, &ss, &ref, extension, sizeof(extension))) {
+		LOGP(DSS, LOGL_ERROR, "Can't parse SUP MAP SS message\n");
+		return -1;
+	}
+
+	LOGP(DSS, LOGL_ERROR, "Got type=0x%02x len=%d\n",
+	     ss.message_type, ss.component_length);
+
+	return on_ussd_response(net, ref, &ss, data + ss.component_offset, extension);
+}
+
+static int ussd_map_rx_message(struct gprs_gsup_client *sup_client, struct msgb *msg)
+{
+	uint8_t *data = msgb_l2(msg);
+	size_t data_len = msgb_l2len(msg);
+	struct gsm_network *gsmnet = (struct gsm_network *)sup_client->data;
+
+	if (*data != GPRS_GSUP_MSGT_USSD_MAP) {
+		return -1;
+	}
+
+	return ussd_map_rx_message_int(gsmnet, data, data_len);
+}
+
+int ussd_map_read_cb(struct gprs_gsup_client *sup_client, struct msgb *msg)
+{
+	int rc;
+
+	rc = ussd_map_rx_message(sup_client, msg);
+	msgb_free(msg);
+	if (rc < 0)
+		return -1;
+
+	return rc;
+}