FreeCalypso > hg > themwi-system-sw

annotate sip-out/call.h @ 194:05d01e810217

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libutil: add TFO message gen function based on Osmocom crc8gen
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 17 Mar 2023 16:52:21 -0800
parents bfa9f0c0f0ac
children
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1 /*
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2 * In this header file we define two key structures for call state
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3 * in themwi-sip-out: struct call exists for each call just like in
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4 * themwi-sip-in, and struct mncc_conn exists for every connection
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5 * to our outcall socket.
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6 */
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7
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8 struct mncc_conn {
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9 int fd;
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10 struct mncc_conn *next;
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11 };
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12
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13 #define MAX_SIP_CALL_ID 30
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14 #define MAX_SIP_FROM_HEADER (MAX_SIP_USER_PART + 5 + 17 + 5 + 8)
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15 #define MAX_SIP_TO_URI (MAX_SIP_USER_PART + MAX_SIP_DEST_DOMAIN + 5)
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16 #define MAX_SIP_TO_TAG 63
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17
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18 struct call {
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19 /* global call list */
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20 struct call *next;
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21 char sip_call_id[MAX_SIP_CALL_ID+1];
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22 int sip_call_exists;
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23 /* MNCC call origin */
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24 struct mncc_conn *mncc;
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25 uint32_t mncc_callref;
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26 /* call routing info */
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27 char from_user[MAX_SIP_USER_PART+1];
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28 char from_header[MAX_SIP_FROM_HEADER+1];
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29 char to_uri[MAX_SIP_TO_URI+1];
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30 char to_tag[MAX_SIP_TO_TAG+1];
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31 struct sockaddr_in udp_sin;
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32 /* PSTN side RTP info */
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33 struct sockaddr_in pstn_rtp_local;
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34 struct sockaddr_in pstn_rtp_remote;
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35 int use_pcma;
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36 /* GSM side RTP info */
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37 struct sockaddr_storage gsm_rtp_osmo;
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38 struct sockaddr_storage gsm_rtp_tmgw;
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39 uint32_t gsm_payload_type;
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40 uint32_t gsm_payload_msg_type;
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41 /* state machines */
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42 uint32_t overall_state;
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43 uint32_t mncc_state;
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44 uint32_t sip_state;
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45 uint32_t mgw_state;
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46 uint32_t mgw_ep_id;
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47 uint32_t mgw_xact;
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48 uint32_t mgw_xact_id;
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49 unsigned sip_tx_count;
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50 time_t sip_clear_time;
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51 int dtmf_digit;
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52 int dtmf_pending_stop;
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53 };
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54
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55 #define OVERALL_STATE_GSM_RTP 1
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56 #define OVERALL_STATE_CRCX 2
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57 #define OVERALL_STATE_SIP_OUT 3
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58 #define OVERALL_STATE_RINGING 4
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59 #define OVERALL_STATE_CONNECTED 5
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60 #define OVERALL_STATE_TEARDOWN 6
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61 #define OVERALL_STATE_SIP_FINISH 7
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62 #define OVERALL_STATE_GC 8
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64 #define MNCC_STATE_MO_PROC 1
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65 #define MNCC_STATE_GOT_RTP 2
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66 #define MNCC_STATE_ALERTING 3
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67 #define MNCC_STATE_CONNECTED 4
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68 #define MNCC_STATE_DISCONNECT 5
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69 #define MNCC_STATE_RELEASE 6
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71 #define SIP_STATE_INV_SENT 1
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72 #define SIP_STATE_100_RCVD 2
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73 #define SIP_STATE_CONNECTED 3
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74 #define SIP_STATE_CANCEL_SENT 4
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75 #define SIP_STATE_BYE_SENT 5
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76 #define SIP_STATE_ACCEPT_100 6
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77 #define SIP_STATE_ACCEPT_200 7
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78 #define SIP_STATE_ENDED 8
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79 #define SIP_STATE_MSG_SIZE_ERR 9
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81 #define MGW_STATE_NO_EXIST 0
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82 #define MGW_STATE_ALLOCATED 1
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83 #define MGW_STATE_IBT_CONN 2
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84 #define MGW_STATE_COMPLETE 3
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85 #define MGW_STATE_HELD 4
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86 #define MGW_STATE_MDCX_IBT 5
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87 #define MGW_STATE_MDCX_CONN 6
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88 #define MGW_STATE_MDCX_HOLD 7
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89 #define MGW_STATE_MDCX_RETR 8
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90 #define MGW_STATE_DTMF_OP 9
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91 #define MGW_STATE_DELETING 10