FreeCalypso > hg > themwi-system-sw

annotate sip-in/mgw_ops.c @ 128:5685412bd6aa

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sip-in: pass DTMF start & stop to themwi-mgw
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 01 Oct 2022 23:07:01 -0800
parents c1c94b7fc2e2
children e499e8db8b82
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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)
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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;
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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;
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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;
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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
128
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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 {
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109 struct tmgw_ctrl_req req;
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110
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111 bzero(&req, sizeof req);
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112 req.opcode = TMGW_CTRL_OP_DTMF_START;
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113 req.transact_ref = get_new_tmgw_xact_id();
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114 req.ep_id = call->mgw_ep_id;
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115 req.fwd_mode = call->dtmf_digit;
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116 send_req_to_tmgw(&req);
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117 call->mgw_state = MGW_STATE_DTMF_OP;
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118 call->mgw_xact = TMGW_CTRL_OP_DTMF_START;
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119 call->mgw_xact_id = req.transact_ref;
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120 }
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121
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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;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 {
98
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
219 if (msg->res == TMGW_RESP_OK) {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
220 call->mgw_state = MGW_STATE_COMPLETE;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
221 switch (call->overall_state) {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
222 case OVERALL_STATE_ANSWERED:
423610bb2c9e 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;
423610bb2c9e 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:
423610bb2c9e 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);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
227 return;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
228 default:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
229 bad_state:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
230 syslog(LOG_CRIT,
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
231 "FATAL: invalid overall state 0x%x on MDCX response",
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
232 call->overall_state);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
233 exit(1);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
234 }
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
235 } else {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
236 tmgw_send_dlcx(call);
423610bb2c9e 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) {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
238 case OVERALL_STATE_ANSWERED:
423610bb2c9e 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);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
240 return;
423610bb2c9e 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:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
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:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
244 goto bad_state;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
245 }
423610bb2c9e 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
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
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 }