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annotate mgw/struct.h @ 95:f280328e7e2e

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themwi-mgw: initial implementation of PSTN to GSM forwarding
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2022 19:17:44 -0800
parents b3f74df7b808
children f24bbfd23c9d
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This header file defines internal data structures for themwi-mgw.
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3 */
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4
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5 struct bind_range_cfg {
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6 struct in_addr bind_ip;
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7 unsigned port_range_start;
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8 unsigned port_range_end;
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Mychaela Falconia <falcon@freecalypso.org>
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9 unsigned port_next;
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10 unsigned port_tries;
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11 };
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12
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13 struct rtp_one_end {
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14 int rtp_fd;
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15 int rtcp_fd;
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16 struct sockaddr_in bound_addr;
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17 struct sockaddr_in remote_addr;
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18 };
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19
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20 struct endpoint {
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21 unsigned ep_type;
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22 struct rtp_one_end rtp_gsm;
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Mychaela Falconia <falcon@freecalypso.org>
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23 struct rtp_one_end rtp_pstn;
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24 unsigned gsm_payload_type;
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25 unsigned gsm_payload_msg_type;
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26 unsigned pstn_payload_type;
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27 unsigned fwd_mode;
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28 /* gateway functionality */
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29 void *gsm_encoder_state;
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30 void *gsm_decoder_state;
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31 int p2g_state;
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32 uint32_t p2g_ssrc;
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33 uint32_t p2g_last_ts;
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34 uint16_t p2g_last_seq;
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35 int p2g_err_flags;
32
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36 /* linked list management */
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37 unsigned ep_id;
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38 struct endpoint *next;
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39 };
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40
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41 struct ctrl_conn {
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42 struct endpoint *endp_list;
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Mychaela Falconia <falcon@freecalypso.org>
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43 unsigned next_ep_id;
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44 };