FreeCalypso > hg > themwi-system-sw
annotate sip-in/mgw_ops.c @ 140:01fe81914bd6
sip-in: move MNCC_RTP_CONNECT sending to answer time
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 08 Oct 2022 11:48:26 -0800 |
parents | 5685412bd6aa |
children | e499e8db8b82 |
rev | line source |
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60
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1 /* |
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2 * In this module we implement all transactions from themwi-sip-in |
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3 * toward themwi-mgw. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <sys/socket.h> |
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8 #include <sys/time.h> |
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9 #include <netinet/in.h> |
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10 #include <stdio.h> |
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11 #include <stdint.h> |
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12 #include <stdlib.h> |
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13 #include <string.h> |
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14 #include <strings.h> |
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15 #include <syslog.h> |
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16 #include "../include/gsm48_const.h" |
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17 #include "../include/tmgw_ctrl.h" |
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18 #include "../include/tmgw_const.h" |
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19 #include "call.h" |
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20 |
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21 extern struct call *call_list; |
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22 |
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23 struct call * |
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24 find_call_with_mgw_xact(xact_id) |
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25 uint32_t xact_id; |
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26 { |
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27 struct call *call; |
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28 |
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29 for (call = call_list; call; call = call->next) |
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30 if (call->mgw_xact && call->mgw_xact_id == xact_id) |
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31 return call; |
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32 return 0; |
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33 } |
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34 |
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35 uint32_t |
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36 get_new_tmgw_xact_id() |
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37 { |
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38 static uint32_t next_xact_id; |
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39 |
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40 for (;;) { |
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41 next_xact_id++; |
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42 if (!find_call_with_mgw_xact(next_xact_id)) |
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43 return next_xact_id; |
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44 } |
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45 } |
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46 |
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47 void |
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48 tmgw_send_crcx(call) |
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49 struct call *call; |
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50 { |
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51 struct tmgw_ctrl_req req; |
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52 |
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53 bzero(&req, sizeof req); |
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54 req.opcode = TMGW_CTRL_OP_CRCX; |
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55 req.transact_ref = get_new_tmgw_xact_id(); |
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56 req.ep_id = TMGW_EP_TYPE_GATEWAY; |
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57 req.setup_mask = TMGW_CTRL_MASK_PSTN_CONN; |
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58 bcopy(&call->pstn_rtp_remote, &req.pstn_addr, |
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59 sizeof(struct sockaddr_in)); |
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60 req.pstn_payload_type = |
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61 call->use_pcma ? PSTN_CODEC_PCMA : PSTN_CODEC_PCMU; |
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62 send_req_to_tmgw(&req); |
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63 call->mgw_xact = TMGW_CTRL_OP_CRCX; |
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64 call->mgw_xact_id = req.transact_ref; |
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65 } |
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66 |
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67 void |
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68 tmgw_send_mdcx_connect(call) |
60
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69 struct call *call; |
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70 { |
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71 struct tmgw_ctrl_req req; |
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72 |
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73 bzero(&req, sizeof req); |
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74 req.opcode = TMGW_CTRL_OP_MDCX; |
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75 req.transact_ref = get_new_tmgw_xact_id(); |
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76 req.ep_id = call->mgw_ep_id; |
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77 req.setup_mask = TMGW_CTRL_MASK_GSM_CONN | TMGW_CTRL_MASK_FWD_MODE; |
60
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78 bcopy(&call->gsm_rtp_osmo, &req.gsm_addr, |
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79 sizeof(struct sockaddr_storage)); |
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80 req.gsm_payload_type = call->gsm_payload_type; |
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81 req.gsm_payload_msg_type = call->gsm_payload_msg_type; |
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82 req.fwd_mode = TMGW_FWD_MODE_SENDRECV; |
60
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83 send_req_to_tmgw(&req); |
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84 call->mgw_state = MGW_STATE_CONNECTING; |
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85 call->mgw_xact = TMGW_CTRL_OP_MDCX; |
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86 call->mgw_xact_id = req.transact_ref; |
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87 } |
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88 |
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89 void |
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90 tmgw_send_dlcx(call) |
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91 struct call *call; |
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92 { |
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93 struct tmgw_ctrl_req req; |
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94 |
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95 bzero(&req, sizeof req); |
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96 req.opcode = TMGW_CTRL_OP_DLCX; |
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97 req.transact_ref = get_new_tmgw_xact_id(); |
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98 req.ep_id = call->mgw_ep_id; |
60
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99 send_req_to_tmgw(&req); |
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100 call->mgw_state = MGW_STATE_DELETING; |
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101 call->mgw_xact = TMGW_CTRL_OP_DLCX; |
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102 call->mgw_xact_id = req.transact_ref; |
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103 } |
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104 |
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105 void |
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106 tmgw_send_dtmf_start(call) |
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107 struct call *call; |
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108 { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
109 struct tmgw_ctrl_req req; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
110 |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
111 bzero(&req, sizeof req); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
112 req.opcode = TMGW_CTRL_OP_DTMF_START; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
113 req.transact_ref = get_new_tmgw_xact_id(); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
114 req.ep_id = call->mgw_ep_id; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
115 req.fwd_mode = call->dtmf_digit; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
116 send_req_to_tmgw(&req); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
117 call->mgw_state = MGW_STATE_DTMF_OP; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
118 call->mgw_xact = TMGW_CTRL_OP_DTMF_START; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
119 call->mgw_xact_id = req.transact_ref; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
120 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
121 |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
122 void |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
123 tmgw_send_dtmf_stop(call) |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
124 struct call *call; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
125 { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
126 struct tmgw_ctrl_req req; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
127 |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
128 bzero(&req, sizeof req); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
129 req.opcode = TMGW_CTRL_OP_DTMF_STOP; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
130 req.transact_ref = get_new_tmgw_xact_id(); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
131 req.ep_id = call->mgw_ep_id; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
132 send_req_to_tmgw(&req); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
133 call->mgw_state = MGW_STATE_DTMF_OP; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
134 call->mgw_xact = TMGW_CTRL_OP_DTMF_STOP; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
135 call->mgw_xact_id = req.transact_ref; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
136 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
137 |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 static void |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 handle_crcx_fail(call, msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 struct tmgw_ctrl_resp *msg; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 call->overall_state = OVERALL_STATE_TEARDOWN; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 strcpy(call->invite_fail, "503 Gateway resource allocation failure"); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 signal_invite_error(call); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 static void |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 crcx_response(call, msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 struct tmgw_ctrl_resp *msg; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 if (msg->res == TMGW_RESP_OK) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 call->mgw_state = MGW_STATE_ALLOCATED; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 call->mgw_ep_id = msg->ep_id; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 bcopy(&msg->gsm_addr, &call->gsm_rtp_tmgw, |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 sizeof(struct sockaddr_storage)); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 bcopy(&msg->pstn_addr, &call->pstn_rtp_local, |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 sizeof(struct sockaddr_in)); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 switch (call->overall_state) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 case OVERALL_STATE_CRCX: |
62
75b7a7b61824
sip-in: got as far as sending MNCC_SETUP_REQ to themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
61
diff
changeset
|
162 proceed_with_call_setup(call); |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 case OVERALL_STATE_TEARDOWN: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 tmgw_send_dlcx(call); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 default: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 bad_state: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 syslog(LOG_CRIT, |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 "FATAL: invalid overall state 0x%x on CRCX response", |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 call->overall_state); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 exit(1); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 } else { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 switch (call->overall_state) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 case OVERALL_STATE_CRCX: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 handle_crcx_fail(call, msg); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 case OVERALL_STATE_TEARDOWN: |
110
c1c94b7fc2e2
sip-in call clearing: DEAD_SIP transition implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
109
diff
changeset
|
180 transition_dead_sip(call); |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 default: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 goto bad_state; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 static void |
98
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
189 handle_mdcx_fail(call, msg) |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
190 struct call *call; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
191 struct tmgw_ctrl_resp *msg; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
192 { |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
193 call->overall_state = OVERALL_STATE_TEARDOWN; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
194 switch (msg->res) { |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
195 case TMGW_RESP_ERR_RSRC: |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
196 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
197 GSM48_CC_CAUSE_RESOURCE_UNAVAIL); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
198 strcpy(call->invite_fail, |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
199 "503 Gateway resource allocation failure"); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
200 break; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
201 case TMGW_RESP_ERR_NOTSUP: |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
202 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
203 GSM48_CC_CAUSE_BEARER_CA_UNAVAIL); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
204 strcpy(call->invite_fail, "502 Gateway internal error"); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
205 break; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
206 default: |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
207 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
208 GSM48_CC_CAUSE_PROTO_ERR); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
209 strcpy(call->invite_fail, "502 Gateway internal error"); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
210 } |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
211 signal_invite_error(call); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
212 } |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
213 |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
214 static void |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 mdcx_response(call, msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 struct tmgw_ctrl_resp *msg; |
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parents:
diff
changeset
|
218 { |
98
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parents:
86
diff
changeset
|
219 if (msg->res == TMGW_RESP_OK) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
220 call->mgw_state = MGW_STATE_COMPLETE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
221 switch (call->overall_state) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
222 case OVERALL_STATE_ANSWERED: |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
223 signal_invite_200(call); |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
224 return; |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
225 case OVERALL_STATE_TEARDOWN: |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
226 tmgw_send_dlcx(call); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
227 return; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
228 default: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
229 bad_state: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
230 syslog(LOG_CRIT, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
231 "FATAL: invalid overall state 0x%x on MDCX response", |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
232 call->overall_state); |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
233 exit(1); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
234 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
235 } else { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
236 tmgw_send_dlcx(call); |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
237 switch (call->overall_state) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
238 case OVERALL_STATE_ANSWERED: |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
239 handle_mdcx_fail(call, msg); |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
240 return; |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
241 case OVERALL_STATE_TEARDOWN: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
242 return; |
423610bb2c9e
sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
243 default: |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
244 goto bad_state; |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
245 } |
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sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents:
86
diff
changeset
|
246 } |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
247 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
248 |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
249 static void |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
250 dlcx_response(call, msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
251 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
252 struct tmgw_ctrl_resp *msg; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
253 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
254 if (msg->res != TMGW_RESP_OK) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
255 syslog(LOG_CRIT, "FATAL: TMGW DLCX failed with code 0x%x", |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
256 msg->res); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
257 exit(1); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
258 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
259 call->mgw_state = MGW_STATE_NO_EXIST; |
110
c1c94b7fc2e2
sip-in call clearing: DEAD_SIP transition implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
109
diff
changeset
|
260 transition_dead_sip(call); |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
261 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
262 |
128
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
263 static void |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
264 dtmf_start_response(call, msg) |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
265 struct call *call; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
266 struct tmgw_ctrl_resp *msg; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
267 { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
268 if (call->overall_state == OVERALL_STATE_TEARDOWN) { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
269 tmgw_send_dlcx(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
270 return; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
271 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
272 if (msg->res == TMGW_RESP_OK) |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
273 mncc_dtmf_start_ok(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
274 else |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
275 mncc_dtmf_start_err(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
276 if (call->dtmf_pending_stop) |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
277 tmgw_send_dtmf_stop(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
278 else |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
279 call->mgw_state = MGW_STATE_COMPLETE; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
280 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
281 |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
282 static void |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
283 dtmf_stop_response(call, msg) |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
284 struct call *call; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
285 struct tmgw_ctrl_resp *msg; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
286 { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
287 if (call->overall_state == OVERALL_STATE_TEARDOWN) { |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
288 tmgw_send_dlcx(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
289 return; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
290 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
291 mncc_dtmf_stop_ok(call); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
292 call->mgw_state = MGW_STATE_COMPLETE; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
293 call->dtmf_pending_stop = 0; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
294 } |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
295 |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
296 void |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
297 process_tmgw_response(msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
298 struct tmgw_ctrl_resp *msg; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
299 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
300 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
301 unsigned opc; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
302 |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
303 call = find_call_with_mgw_xact(msg->transact_ref); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
304 if (!call) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
305 syslog(LOG_CRIT, |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
306 "FATAL: response from TMGW xact 0x%x does not match any call", |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
307 msg->transact_ref); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
308 exit(1); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
309 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
310 opc = call->mgw_xact; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
311 call->mgw_xact = 0; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
312 switch (opc) { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
313 case TMGW_CTRL_OP_CRCX: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
314 crcx_response(call, msg); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
315 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
316 case TMGW_CTRL_OP_MDCX: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
317 mdcx_response(call, msg); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
318 return; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
319 case TMGW_CTRL_OP_DLCX: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
320 dlcx_response(call, msg); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
321 return; |
128
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
322 case TMGW_CTRL_OP_DTMF_START: |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
323 dtmf_start_response(call, msg); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
324 return; |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
|
325 case TMGW_CTRL_OP_DTMF_STOP: |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
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326 dtmf_stop_response(call, msg); |
5685412bd6aa
sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
110
diff
changeset
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327 return; |
60
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
328 default: |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
329 syslog(LOG_CRIT, |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
330 "FATAL: invalid opcode 0x%x in call->msg_xact", opc); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
331 exit(1); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
332 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
333 } |