FreeCalypso > hg > themwi-system-sw

annotate mgw/struct.h @ 197:73bbe7da45cd

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author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 26 Mar 2023 15:29:48 -0800
parents a6eb2de277f6
children 0047c4c08d9e
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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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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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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 gsm_rtp_pkt_size;
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27 unsigned gsm_payload_magic;
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28 unsigned pstn_payload_type;
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29 unsigned fwd_mode;
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30 /* gateway functionality */
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31 void *gsm_encoder_state;
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32 void *gsm_decoder_state;
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33 void *gsm_decoder_extra_state;
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34 /* GSM to PSTN forwarding */
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35 int g2p_state;
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36 uint32_t g2p_ssrc;
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37 uint32_t g2p_last_ts;
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38 uint16_t g2p_last_seq;
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39 uint16_t g2p_out_seq;
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40 int g2p_drop_flag;
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41 int g2p_err_flags;
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42 /* DTMF generation toward PSTN */
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43 int16_t *dtmf_sample_ptr;
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44 unsigned dtmf_frames_sent;
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45 /* PSTN to GSM forwarding */
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46 int p2g_state;
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47 uint32_t p2g_ssrc;
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48 uint32_t p2g_last_ts;
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49 uint16_t p2g_last_seq;
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50 uint16_t p2g_out_seq;
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51 int p2g_drop_flag;
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52 int p2g_err_flags;
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53 /* linked list management */
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54 unsigned ep_id;
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55 struct endpoint *next;
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56 };
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57
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58 struct ctrl_conn {
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59 struct endpoint *endp_list;
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60 unsigned next_ep_id;
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61 };