FreeCalypso > hg > themwi-system-sw
annotate sip-in/mgw_ops.c @ 102:d26d97974c8a
mgw p2g init: fix bug in forwarding re-enable scenario
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 26 Sep 2022 18:50:58 -0800 |
parents | 423610bb2c9e |
children | 9b87894704eb |
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 <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> |
98
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15 #include "../include/gsm48_const.h" |
60
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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) |
60
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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; |
60
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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(); |
61
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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 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
109 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
|
110 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
|
111 signal_invite_error(call); |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
112 } |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
113 |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 static void |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
115 crcx_response(call, msg) |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 struct call *call; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 struct tmgw_ctrl_resp *msg; |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 { |
02761f1ae5e5
sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 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
|
120 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
|
121 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
|
122 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
|
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; |
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218 { |
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219 if (msg->res != TMGW_RESP_OK) { |
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220 syslog(LOG_CRIT, "FATAL: TMGW DLCX failed with code 0x%x", |
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221 msg->res); |
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222 exit(1); |
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223 } |
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224 call->mgw_state = MGW_STATE_NO_EXIST; |
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225 /* TODO: transition from TEARDOWN to DEAD_SIP */ |
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226 } |
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227 |
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228 void |
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229 process_tmgw_response(msg) |
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230 struct tmgw_ctrl_resp *msg; |
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231 { |
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232 struct call *call; |
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233 unsigned opc; |
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234 |
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235 call = find_call_with_mgw_xact(msg->transact_ref); |
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236 if (!call) { |
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237 syslog(LOG_CRIT, |
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238 "FATAL: response from TMGW xact 0x%x does not match any call", |
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239 msg->transact_ref); |
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240 exit(1); |
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241 } |
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242 opc = call->mgw_xact; |
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243 call->mgw_xact = 0; |
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244 switch (opc) { |
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245 case TMGW_CTRL_OP_CRCX: |
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246 crcx_response(call, msg); |
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247 return; |
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248 case TMGW_CTRL_OP_MDCX: |
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249 mdcx_response(call, msg); |
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250 return; |
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251 case TMGW_CTRL_OP_DLCX: |
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252 dlcx_response(call, msg); |
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253 return; |
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254 default: |
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255 syslog(LOG_CRIT, |
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256 "FATAL: invalid opcode 0x%x in call->msg_xact", opc); |
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257 exit(1); |
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258 } |
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259 } |