| #ifndef _RTP_PROXY_H |
| #define _RTP_PROXY_H |
| |
| /* RTP proxy handling for ip.access nanoBTS */ |
| |
| /* (C) 2009 by Harald Welte <laforge@gnumonks.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| |
| #include <netinet/in.h> |
| |
| #include <openbsc/linuxlist.h> |
| #include <openbsc/select.h> |
| |
| enum rtp_rx_action { |
| RTP_NONE, |
| RTP_PROXY, |
| RTP_RECV_UPSTREAM, |
| }; |
| |
| struct rtp_sub_socket { |
| struct sockaddr_in sin_local; |
| struct sockaddr_in sin_remote; |
| |
| struct bsc_fd bfd; |
| /* linked list of to-be-transmitted msgb's */ |
| struct llist_head tx_queue; |
| }; |
| |
| struct rtp_socket { |
| struct llist_head list; |
| |
| struct rtp_sub_socket rtp; |
| struct rtp_sub_socket rtcp; |
| |
| /* what should we do on receive? */ |
| enum rtp_rx_action rx_action; |
| union { |
| struct { |
| struct rtp_socket *other_sock; |
| } proxy; |
| struct { |
| void (*recv_cb)(struct msgb *msg); |
| } receive; |
| }; |
| }; |
| |
| struct rtp_socket *rtp_socket_create(void); |
| int rtp_socket_bind(struct rtp_socket *rs, u_int32_t ip); |
| int rtp_socket_connect(struct rtp_socket *rs, u_int32_t ip, u_int16_t port); |
| int rtp_socket_proxy(struct rtp_socket *this, struct rtp_socket *other); |
| int rtp_socket_free(struct rtp_socket *rs); |
| |
| #endif /* _RTP_PROXY_H */ |