| /* (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| * All Rights Reserved |
| * |
| * Author: Philipp Maier |
| * |
| * 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/>. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <osmocom/mgcp_client/mgcp_common.h> |
| |
| /* MGCP state handler context. This context information stores all information |
| * to handle the direction of the RTP streams via MGCP. There is one instance |
| * of this context struct per subscriber connection. |
| * (see also struct osmo_bsc_sccp_con) */ |
| struct mgcp_ctx { |
| /* FSM instance, which handles the connection switching procedure */ |
| struct osmo_fsm_inst *fsm; |
| |
| /* RTP endpoint number. This number number identifies the endpoint |
| * on the MGW on which the BTS and NET connection is created. This |
| * endpoint number is assigned and released automatically. */ |
| uint16_t rtp_endpoint; |
| |
| /* RTP connection identifiers */ |
| char conn_id_bts[MGCP_CONN_ID_LENGTH]; |
| char conn_id_net[MGCP_CONN_ID_LENGTH]; |
| |
| /* Copy of the pointer and the data with context information |
| * needed to process the AoIP and MGCP requests (system data) */ |
| struct mgcp_client *mgcp; |
| struct osmo_bsc_sccp_con *conn; |
| enum gsm48_chan_mode chan_mode; |
| bool full_rate; |
| struct gsm_lchan *lchan; |
| struct gsm_lchan *ho_lchan; |
| struct msgb *resp; |
| }; |
| |
| struct mgcp_ctx *mgcp_assignm_req(void *ctx, struct mgcp_client *mgcp, struct osmo_bsc_sccp_con *conn, |
| enum gsm48_chan_mode chan_mode, bool full_rate); |
| void mgcp_clear_complete(struct mgcp_ctx *mgcp_ctx, struct msgb *resp); |
| void mgcp_ass_complete(struct mgcp_ctx *mgcp_ctx, struct gsm_lchan *lchan); |
| void mgcp_handover(struct mgcp_ctx *mgcp_ctx, struct gsm_lchan *ho_lchan); |
| void mgcp_free_ctx(struct mgcp_ctx *mgcp_ctx); |