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-rw-r--r--include/openbsc/mgcp_internal.h337
1 files changed, 0 insertions, 337 deletions
diff --git a/include/openbsc/mgcp_internal.h b/include/openbsc/mgcp_internal.h
deleted file mode 100644
index 4e215b8f1..000000000
--- a/include/openbsc/mgcp_internal.h
+++ /dev/null
@@ -1,337 +0,0 @@
-/* MGCP Private Data */
-
-/*
- * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (C) 2009-2012 by On-Waves
- * 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/>.
- *
- */
-
-#pragma once
-
-#include <string.h>
-
-#include <osmocom/core/select.h>
-
-#define CI_UNUSED 0
-
-enum mgcp_trunk_type {
- MGCP_TRUNK_VIRTUAL,
- MGCP_TRUNK_E1,
-};
-
-struct mgcp_rtp_stream_state {
- uint32_t ssrc;
- uint16_t last_seq;
- uint32_t last_timestamp;
- uint32_t err_ts_counter;
- int32_t last_tsdelta;
- uint32_t last_arrival_time;
-};
-
-struct mgcp_rtp_state {
- int initialized;
- int patch_ssrc;
-
- uint32_t orig_ssrc;
-
- int seq_offset;
-
- int32_t timestamp_offset;
- uint32_t packet_duration;
-
- struct mgcp_rtp_stream_state in_stream;
- struct mgcp_rtp_stream_state out_stream;
-
- /* jitter and packet loss calculation */
- int stats_initialized;
- uint16_t stats_base_seq;
- uint16_t stats_max_seq;
- uint32_t stats_ssrc;
- uint32_t stats_jitter;
- int32_t stats_transit;
- int stats_cycles;
- bool patched_first_rtp_payload;
-};
-
-struct mgcp_rtp_codec {
- uint32_t rate;
- int channels;
- uint32_t frame_duration_num;
- uint32_t frame_duration_den;
-
- int payload_type;
- char *audio_name;
- char *subtype_name;
-};
-
-struct mgcp_rtp_end {
- /* statistics */
- unsigned int packets;
- unsigned int octets;
- unsigned int dropped_packets;
- struct in_addr addr;
-
- /* in network byte order */
- int rtp_port, rtcp_port;
-
- /* audio codec information */
- struct mgcp_rtp_codec codec;
- struct mgcp_rtp_codec alt_codec; /* TODO/XXX: make it generic */
-
- /* per endpoint data */
- int frames_per_packet;
- uint32_t packet_duration_ms;
- char *fmtp_extra;
- int output_enabled;
- int force_output_ptime;
-
- /* RTP patching */
- int force_constant_ssrc; /* -1: always, 0: don't, 1: once */
- int force_aligned_timing;
- void *rtp_process_data;
-
- /*
- * Each end has a socket...
- */
- struct osmo_fd rtp;
- struct osmo_fd rtcp;
-
- int local_port;
- int local_alloc;
-};
-
-enum {
- MGCP_TAP_BTS_IN,
- MGCP_TAP_BTS_OUT,
- MGCP_TAP_NET_IN,
- MGCP_TAP_NET_OUT,
-
- /* last element */
- MGCP_TAP_COUNT
-};
-
-struct mgcp_rtp_tap {
- int enabled;
- struct sockaddr_in forward;
-};
-
-struct mgcp_lco {
- char *string;
- char *codec;
- int pkt_period_min; /* time in ms */
- int pkt_period_max; /* time in ms */
-};
-
-enum mgcp_type {
- MGCP_RTP_DEFAULT = 0,
- MGCP_RTP_TRANSCODED,
- MGCP_OSMUX_BSC,
- MGCP_OSMUX_BSC_NAT,
-};
-
-#include <openbsc/osmux.h>
-
-struct mgcp_endpoint {
- int allocated;
- uint32_t ci;
- char *callid;
- struct mgcp_lco local_options;
- int conn_mode;
- int orig_mode;
-
- /* backpointer */
- struct mgcp_config *cfg;
- struct mgcp_trunk_config *tcfg;
-
- /* port status for bts/net */
- struct mgcp_rtp_end bts_end;
- struct mgcp_rtp_end net_end;
-
- /*
- * For transcoding we will send from the local_port
- * of trans_bts and it will arrive at trans_net from
- * where we will forward it to the network.
- */
- struct mgcp_rtp_end trans_bts;
- struct mgcp_rtp_end trans_net;
- enum mgcp_type type;
-
- /* sequence bits */
- struct mgcp_rtp_state net_state;
- struct mgcp_rtp_state bts_state;
-
- /* fields for re-transmission */
- char *last_trans;
- char *last_response;
-
- /* tap for the endpoint */
- struct mgcp_rtp_tap taps[MGCP_TAP_COUNT];
-
- struct {
- /* Osmux state: disabled, activating, active */
- enum osmux_state state;
- /* Allocated Osmux circuit ID for this endpoint */
- int allocated_cid;
- /* Used Osmux circuit ID for this endpoint */
- uint8_t cid;
- /* handle to batch messages */
- struct osmux_in_handle *in;
- /* handle to unbatch messages */
- struct osmux_out_handle out;
- /* statistics */
- struct {
- uint32_t chunks;
- uint32_t octets;
- } stats;
- } osmux;
-};
-
-#define for_each_line(line, save) \
- for (line = strline_r(NULL, &save); line;\
- line = strline_r(NULL, &save))
-
-static inline char *strline_r(char *str, char **saveptr)
-{
- char *result;
-
- if (str)
- *saveptr = str;
-
- result = *saveptr;
-
- if (*saveptr != NULL) {
- *saveptr = strpbrk(*saveptr, "\r\n");
-
- if (*saveptr != NULL) {
- char *eos = *saveptr;
-
- if ((*saveptr)[0] == '\r' && (*saveptr)[1] == '\n')
- (*saveptr)++;
- (*saveptr)++;
- if ((*saveptr)[0] == '\0')
- *saveptr = NULL;
-
- *eos = '\0';
- }
- }
-
- return result;
-}
-
-
-
-#define ENDPOINT_NUMBER(endp) abs((int)(endp - endp->tcfg->endpoints))
-
-/**
- * Internal structure while parsing a request
- */
-struct mgcp_parse_data {
- struct mgcp_config *cfg;
- struct mgcp_endpoint *endp;
- char *trans;
- char *save;
- int found;
-};
-
-int mgcp_send_dummy(struct mgcp_endpoint *endp);
-int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
-int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
-int mgcp_bind_trans_bts_rtp_port(struct mgcp_endpoint *enp, int rtp_port);
-int mgcp_bind_trans_net_rtp_port(struct mgcp_endpoint *enp, int rtp_port);
-int mgcp_free_rtp_port(struct mgcp_rtp_end *end);
-
-/* For transcoding we need to manage an in and an output that are connected */
-static inline int endp_back_channel(int endpoint)
-{
- return endpoint + 60;
-}
-
-struct mgcp_trunk_config *mgcp_trunk_alloc(struct mgcp_config *cfg, int index);
-struct mgcp_trunk_config *mgcp_trunk_num(struct mgcp_config *cfg, int index);
-
-void mgcp_rtp_end_config(struct mgcp_endpoint *endp, int expect_ssrc_change,
- struct mgcp_rtp_end *rtp);
-uint32_t mgcp_rtp_packet_duration(struct mgcp_endpoint *endp,
- struct mgcp_rtp_end *rtp);
-
-void mgcp_state_calc_loss(struct mgcp_rtp_state *s, struct mgcp_rtp_end *,
- uint32_t *expected, int *loss);
-uint32_t mgcp_state_calc_jitter(struct mgcp_rtp_state *);
-
-/* payload processing default functions */
-int mgcp_rtp_processing_default(struct mgcp_endpoint *endp, struct mgcp_rtp_end *dst_end,
- char *data, int *len, int buf_size);
-
-int mgcp_setup_rtp_processing_default(struct mgcp_endpoint *endp,
- struct mgcp_rtp_end *dst_end,
- struct mgcp_rtp_end *src_end);
-
-void mgcp_get_net_downlink_format_default(struct mgcp_endpoint *endp,
- int *payload_type,
- const char**subtype_name,
- const char**fmtp_extra);
-
-/* internal RTP Annex A counting */
-void mgcp_rtp_annex_count(struct mgcp_endpoint *endp, struct mgcp_rtp_state *state,
- const uint16_t seq, const int32_t transit,
- const uint32_t ssrc);
-
-int mgcp_set_ip_tos(int fd, int tos);
-
-enum {
- MGCP_DEST_NET = 0,
- MGCP_DEST_BTS,
-};
-
-
-#define MGCP_DUMMY_LOAD 0x23
-
-
-/**
- * SDP related information
- */
-/* Assume audio frame length of 20ms */
-#define DEFAULT_RTP_AUDIO_FRAME_DUR_NUM 20
-#define DEFAULT_RTP_AUDIO_FRAME_DUR_DEN 1000
-#define DEFAULT_RTP_AUDIO_PACKET_DURATION_MS 20
-#define DEFAULT_RTP_AUDIO_DEFAULT_RATE 8000
-#define DEFAULT_RTP_AUDIO_DEFAULT_CHANNELS 1
-
-#define PTYPE_UNDEFINED (-1)
-int mgcp_parse_sdp_data(struct mgcp_endpoint *endp, struct mgcp_rtp_end *rtp, struct mgcp_parse_data *p);
-int mgcp_set_audio_info(void *ctx, struct mgcp_rtp_codec *codec,
- int payload_type, const char *audio_name);
-
-
-/**
- * Internal network related
- */
-static inline const char *mgcp_net_src_addr(struct mgcp_endpoint *endp)
-{
- if (endp->cfg->net_ports.bind_addr)
- return endp->cfg->net_ports.bind_addr;
- return endp->cfg->source_addr;
-}
-
-static inline const char *mgcp_bts_src_addr(struct mgcp_endpoint *endp)
-{
- if (endp->cfg->bts_ports.bind_addr)
- return endp->cfg->bts_ports.bind_addr;
- return endp->cfg->source_addr;
-}
-
-int mgcp_msg_terminate_nul(struct msgb *msg);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 16:42:51 +0000