FreeCalypso > hg > themwi-system-sw
annotate sip-in/mncc_handle.c @ 105:9213ec8b434b
sip-in: handle themwi-mncc shutdown without terminating
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 27 Sep 2022 23:00:52 -0800 |
parents | 423610bb2c9e |
children | 9b87894704eb |
rev | line source |
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1 /* |
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2 * In this module we implement our handling of call control messages |
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3 * from OsmoMSC relayed to us via themwi-mncc. |
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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/mncc.h" |
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16 #include "../include/gsm48_const.h" |
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17 #include "call.h" |
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18 |
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19 extern struct call *find_call_by_mncc_callref(); |
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20 |
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21 static struct gsm_mncc_cause default_cause = { |
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22 .coding = GSM48_CAUSE_CODING_GSM, |
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23 .location = GSM48_CAUSE_LOC_PRN_S_LU, |
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24 .value = GSM48_CC_CAUSE_NORMAL_UNSPEC, |
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25 }; |
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26 |
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27 void |
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28 send_mncc_connect_ack(call) |
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29 struct call *call; |
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30 { |
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31 struct gsm_mncc ack; |
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32 |
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33 bzero(&ack, sizeof(struct gsm_mncc)); |
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34 ack.msg_type = MNCC_SETUP_COMPL_REQ; |
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35 ack.callref = call->mncc_callref; |
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36 send_mncc_to_gsm(&ack, sizeof(struct gsm_mncc)); |
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37 call->mncc_state = MNCC_STATE_CONNECTED; |
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38 call->overall_state = OVERALL_STATE_CONNECTED; |
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39 } |
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40 |
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41 static void |
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42 handle_alerting(call, msg) |
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43 struct call *call; |
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44 struct gsm_mncc *msg; |
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45 { |
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46 if (call->mncc_state != MNCC_STATE_STARTED) { |
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47 syslog(LOG_ERR, "MNCC_ALERT_IND in wrong MNCC state 0x%x", |
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48 call->mncc_state); |
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49 return; |
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50 } |
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51 call->mncc_state = MNCC_STATE_ALERTING; |
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52 call->overall_state = OVERALL_STATE_ALERTING; |
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53 signal_invite_ringing(call); |
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54 } |
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55 |
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56 static void |
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57 handle_answer(call, msg) |
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58 struct call *call; |
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59 struct gsm_mncc *msg; |
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60 { |
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61 if (call->mncc_state != MNCC_STATE_STARTED && |
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62 call->mncc_state != MNCC_STATE_ALERTING) { |
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63 syslog(LOG_ERR, "MNCC_SETUP_CNF in wrong MNCC state 0x%x", |
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64 call->mncc_state); |
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65 return; |
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66 } |
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67 call->mncc_state = MNCC_STATE_ANSWERED; |
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68 call->overall_state = OVERALL_STATE_ANSWERED; |
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69 /* right now we require MNCC_RTP_CREATE to have come first */ |
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70 if (!call->gsm_payload_msg_type) { |
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71 call->overall_state = OVERALL_STATE_TEARDOWN; |
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72 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, |
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73 GSM48_CC_CAUSE_PROTO_ERR); |
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74 disconnect_tmgw(call); |
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75 strcpy(call->invite_fail, "502 Internal protocol error"); |
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76 signal_invite_error(call); |
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77 return; |
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78 } |
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79 tmgw_send_mdcx_connect(call); |
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80 } |
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81 |
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82 static void |
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83 handle_disconnect_ind(call, msg) |
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84 struct call *call; |
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85 struct gsm_mncc *msg; |
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86 { |
83
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87 struct gsm_mncc_cause *cause; |
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88 |
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89 /* release back to MNCC */ |
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90 msg->msg_type = MNCC_REL_REQ; |
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91 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
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92 call->mncc_state = MNCC_STATE_RELEASE; |
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93 /* signal disconnect to SIP */ |
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94 call->overall_state = OVERALL_STATE_TEARDOWN; |
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95 if (msg->fields & MNCC_F_CAUSE) |
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96 cause = &msg->cause; |
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97 else |
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98 cause = &default_cause; |
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99 disconnect_sip(call, cause); |
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100 disconnect_tmgw(call); |
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101 } |
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102 |
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103 static void |
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104 handle_final_release(call, msg) |
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105 struct call *call; |
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106 struct gsm_mncc *msg; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 { |
83
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sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
108 struct gsm_mncc_cause *cause; |
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sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
109 |
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sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
110 /* MNCC call leg is gone */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
111 call->mncc_state = MNCC_STATE_NO_EXIST; |
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sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
112 /* signal disconnect to SIP */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
113 call->overall_state = OVERALL_STATE_TEARDOWN; |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
114 if (msg->fields & MNCC_F_CAUSE) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
115 cause = &msg->cause; |
3e3fbf44f9d7
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
116 else |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
117 cause = &default_cause; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
118 disconnect_sip(call, cause); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
119 disconnect_tmgw(call); |
63
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 static void |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 handle_signaling_msg(msg, msglen) |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 struct gsm_mncc *msg; |
e5aee661e3b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 unsigned msglen; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 struct call *call; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 if (msglen != sizeof(struct gsm_mncc)) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 syslog(LOG_CRIT, |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 "FATAL: Rx MNCC message type 0x%x has wrong length", |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 msg->msg_type); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 exit(1); |
e5aee661e3b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 call = find_call_by_mncc_callref(msg->callref); |
e5aee661e3b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 if (!call) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 "error: Rx MNCC message type 0x%x has invalid callref 0x%x", |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 msg->msg_type, msg->callref); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 } |
e5aee661e3b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 switch (msg->msg_type) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 case MNCC_SETUP_CNF: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 handle_answer(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 case MNCC_ALERT_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 handle_alerting(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 return; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 case MNCC_DISC_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 handle_disconnect_ind(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 case MNCC_REL_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 case MNCC_REL_CNF: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 case MNCC_REJ_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 handle_final_release(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 case MNCC_START_DTMF_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 msg->msg_type = MNCC_START_DTMF_REJ; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 case MNCC_STOP_DTMF_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 msg->msg_type = MNCC_STOP_DTMF_RSP; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 case MNCC_MODIFY_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 msg->msg_type = MNCC_MODIFY_REJ; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 case MNCC_HOLD_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 msg->msg_type = MNCC_HOLD_REJ; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 case MNCC_RETRIEVE_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 msg->msg_type = MNCC_RETRIEVE_REJ; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 static void |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 handle_rtp_create(msg, msglen) |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 struct gsm_mncc_rtp *msg; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 unsigned msglen; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 struct call *call; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 if (msglen != sizeof(struct gsm_mncc_rtp)) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 "FATAL: Rx MNCC message type 0x%x has wrong length", |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 msg->msg_type); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 call = find_call_by_mncc_callref(msg->callref); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 if (!call) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 "error: Rx MNCC message type 0x%x has invalid callref 0x%x", |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 msg->msg_type, msg->callref); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 } |
84
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
208 /* save Osmocom network RTP information */ |
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
209 bcopy(&msg->addr, &call->gsm_rtp_osmo, sizeof(struct sockaddr_storage)); |
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
210 call->gsm_payload_type = msg->payload_type; |
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
211 call->gsm_payload_msg_type = msg->payload_msg_type; |
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
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212 /* respond with MNCC_RTP_CONNECT */ |
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213 msg->msg_type = MNCC_RTP_CONNECT; |
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214 bcopy(&call->gsm_rtp_tmgw, &msg->addr, sizeof(struct sockaddr_storage)); |
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215 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc_rtp)); |
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216 } |
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217 |
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218 void |
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219 msg_from_mncc(msg, msglen) |
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220 union mncc_msg *msg; |
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221 unsigned msglen; |
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222 { |
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223 switch (msg->msg_type) { |
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224 case MNCC_SETUP_CNF: |
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225 case MNCC_CALL_CONF_IND: |
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226 case MNCC_ALERT_IND: |
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227 case MNCC_NOTIFY_IND: |
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228 case MNCC_DISC_IND: |
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229 case MNCC_FACILITY_IND: |
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230 case MNCC_START_DTMF_IND: |
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231 case MNCC_STOP_DTMF_IND: |
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232 case MNCC_MODIFY_IND: |
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233 case MNCC_HOLD_IND: |
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234 case MNCC_RETRIEVE_IND: |
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235 case MNCC_USERINFO_IND: |
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236 case MNCC_REL_IND: |
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237 case MNCC_REL_CNF: |
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238 case MNCC_REJ_IND: |
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239 handle_signaling_msg(msg, msglen); |
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240 return; |
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241 case MNCC_RTP_CREATE: |
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242 handle_rtp_create(msg, msglen); |
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243 return; |
85
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244 case MNCC_RTP_CONNECT: |
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245 syslog(LOG_ERR, "MNCC_RTP_CONNECT error from OsmoMSC"); |
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246 return; |
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247 case MNCC_RTP_FREE: |
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248 syslog(LOG_ERR, "MNCC_RTP_FREE bogon from OsmoMSC"); |
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249 return; |
63
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250 default: |
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251 syslog(LOG_CRIT, |
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252 "FATAL: received unexpected MNCC message type 0x%x", |
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253 msg->msg_type); |
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254 exit(1); |
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255 } |
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256 } |