FreeCalypso > hg > themwi-system-sw

annotate sip-in/mgw_ops.c @ 101:ca21fbf9d2ea

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mgw: implement G.711 encoding
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Sep 2022 15:21:05 -0800
parents 423610bb2c9e
children 9b87894704eb
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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 <netinet/in.h>
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9 #include <stdio.h>
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10 #include <stdint.h>
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11 #include <stdlib.h>
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12 #include <string.h>
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13 #include <strings.h>
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14 #include <syslog.h>
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15 #include "../include/gsm48_const.h"
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16 #include "../include/tmgw_ctrl.h"
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17 #include "../include/tmgw_const.h"
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18 #include "call.h"
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19
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20 extern struct call *call_list;
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21
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22 struct call *
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23 find_call_with_mgw_xact(xact_id)
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24 uint32_t xact_id;
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25 {
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26 struct call *call;
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27
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28 for (call = call_list; call; call = call->next)
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29 if (call->mgw_xact && call->mgw_xact_id == xact_id)
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30 return call;
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31 return 0;
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32 }
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33
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34 uint32_t
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35 get_new_tmgw_xact_id()
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36 {
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37 static uint32_t next_xact_id;
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38
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39 for (;;) {
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40 next_xact_id++;
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41 if (!find_call_with_mgw_xact(next_xact_id))
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42 return next_xact_id;
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43 }
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44 }
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45
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46 void
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47 tmgw_send_crcx(call)
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48 struct call *call;
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49 {
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50 struct tmgw_ctrl_req req;
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51
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52 bzero(&req, sizeof req);
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53 req.opcode = TMGW_CTRL_OP_CRCX;
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54 req.transact_ref = get_new_tmgw_xact_id();
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55 req.ep_id = TMGW_EP_TYPE_GATEWAY;
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56 req.setup_mask = TMGW_CTRL_MASK_PSTN_CONN;
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57 bcopy(&call->pstn_rtp_remote, &req.pstn_addr,
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58 sizeof(struct sockaddr_in));
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59 req.pstn_payload_type =
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60 call->use_pcma ? PSTN_CODEC_PCMA : PSTN_CODEC_PCMU;
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61 send_req_to_tmgw(&req);
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62 call->mgw_xact = TMGW_CTRL_OP_CRCX;
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63 call->mgw_xact_id = req.transact_ref;
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64 }
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65
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66 void
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67 tmgw_send_mdcx_connect(call)
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68 struct call *call;
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69 {
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70 struct tmgw_ctrl_req req;
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71
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72 bzero(&req, sizeof req);
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73 req.opcode = TMGW_CTRL_OP_MDCX;
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74 req.transact_ref = get_new_tmgw_xact_id();
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75 req.ep_id = call->mgw_ep_id;
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76 req.setup_mask = TMGW_CTRL_MASK_GSM_CONN | TMGW_CTRL_MASK_FWD_MODE;
60
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77 bcopy(&call->gsm_rtp_osmo, &req.gsm_addr,
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78 sizeof(struct sockaddr_storage));
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79 req.gsm_payload_type = call->gsm_payload_type;
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80 req.gsm_payload_msg_type = call->gsm_payload_msg_type;
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81 req.fwd_mode = TMGW_FWD_MODE_SENDRECV;
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82 send_req_to_tmgw(&req);
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83 call->mgw_state = MGW_STATE_CONNECTING;
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84 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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85 call->mgw_xact_id = req.transact_ref;
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86 }
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87
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88 void
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89 tmgw_send_dlcx(call)
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90 struct call *call;
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91 {
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92 struct tmgw_ctrl_req req;
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93
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94 bzero(&req, sizeof req);
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95 req.opcode = TMGW_CTRL_OP_DLCX;
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96 req.transact_ref = get_new_tmgw_xact_id();
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97 req.ep_id = call->mgw_ep_id;
60
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98 send_req_to_tmgw(&req);
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99 call->mgw_state = MGW_STATE_DELETING;
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100 call->mgw_xact = TMGW_CTRL_OP_DLCX;
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101 call->mgw_xact_id = req.transact_ref;
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102 }
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103
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104 static void
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105 handle_crcx_fail(call, msg)
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106 struct call *call;
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107 struct tmgw_ctrl_resp *msg;
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108 {
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109 call->overall_state = OVERALL_STATE_TEARDOWN;
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110 strcpy(call->invite_fail, "503 Gateway resource allocation failure");
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111 signal_invite_error(call);
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112 }
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113
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114 static void
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115 crcx_response(call, msg)
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116 struct call *call;
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117 struct tmgw_ctrl_resp *msg;
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118 {
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119 if (msg->res == TMGW_RESP_OK) {
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120 call->mgw_state = MGW_STATE_ALLOCATED;
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121 call->mgw_ep_id = msg->ep_id;
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122 bcopy(&msg->gsm_addr, &call->gsm_rtp_tmgw,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 sizeof(struct sockaddr_storage));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 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
125 sizeof(struct sockaddr_in));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 switch (call->overall_state) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 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
128 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
129 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 case OVERALL_STATE_TEARDOWN:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 tmgw_send_dlcx(call);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 bad_state:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 "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
137 call->overall_state);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 } else {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 switch (call->overall_state) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 case OVERALL_STATE_CRCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 handle_crcx_fail(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 case OVERALL_STATE_TEARDOWN:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 goto bad_state;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }
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 static void
98
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
154 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
155 struct call *call;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
156 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
157 {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
158 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
159 switch (msg->res) {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
160 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
161 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
162 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
163 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
164 "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
165 break;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
166 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
167 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
168 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
169 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
170 break;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
171 default:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
172 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
173 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
174 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
175 }
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
176 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
177 }
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
178
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
179 static void
60
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 mdcx_response(call, msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 {
98
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
184 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
185 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
186 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
187 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
188 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
189 return;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
190 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
191 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
192 return;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
193 default:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
194 bad_state:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
195 syslog(LOG_CRIT,
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
196 "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
197 call->overall_state);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
198 exit(1);
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
199 }
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
200 } else {
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
201 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
202 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
203 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
204 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
205 return;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
206 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
207 return;
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
208 default:
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 86
diff changeset
209 goto bad_state;
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 }
60
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 static void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 dlcx_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 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 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
220 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
221 msg->res);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 call->mgw_state = MGW_STATE_NO_EXIST;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 /* TODO: transition from TEARDOWN to DEAD_SIP */
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 process_tmgw_response(msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 unsigned opc;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 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
236 if (!call) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 "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
239 msg->transact_ref);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 opc = call->mgw_xact;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 call->mgw_xact = 0;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 switch (opc) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 case TMGW_CTRL_OP_CRCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 crcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 case TMGW_CTRL_OP_MDCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 mdcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 case TMGW_CTRL_OP_DLCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 dlcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 "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
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 }