FreeCalypso > hg > themwi-system-sw
annotate sip-in/mncc_handle.c @ 123:a36b731bfef9
sip-manual-out: implement sending BYE and CANCEL
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 29 Sep 2022 17:21:11 -0800 |
parents | c1c94b7fc2e2 |
children | 5685412bd6aa |
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 <sys/time.h> |
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9 #include <netinet/in.h> |
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10 #include <stdio.h> |
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11 #include <stdint.h> |
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12 #include <stdlib.h> |
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13 #include <string.h> |
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14 #include <strings.h> |
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15 #include <syslog.h> |
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16 #include "../include/mncc.h" |
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17 #include "../include/gsm48_const.h" |
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18 #include "call.h" |
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19 |
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20 extern struct call *find_call_by_mncc_callref(); |
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21 |
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22 static struct gsm_mncc_cause default_cause = { |
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23 .coding = GSM48_CAUSE_CODING_GSM, |
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24 .location = GSM48_CAUSE_LOC_PRN_S_LU, |
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25 .value = GSM48_CC_CAUSE_NORMAL_UNSPEC, |
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26 }; |
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27 |
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28 void |
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29 send_mncc_connect_ack(call) |
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30 struct call *call; |
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31 { |
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32 struct gsm_mncc ack; |
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33 |
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34 bzero(&ack, sizeof(struct gsm_mncc)); |
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35 ack.msg_type = MNCC_SETUP_COMPL_REQ; |
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36 ack.callref = call->mncc_callref; |
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37 send_mncc_to_gsm(&ack, sizeof(struct gsm_mncc)); |
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38 call->mncc_state = MNCC_STATE_CONNECTED; |
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39 call->overall_state = OVERALL_STATE_CONNECTED; |
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40 } |
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41 |
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42 static void |
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43 handle_alerting(call, msg) |
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44 struct call *call; |
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45 struct gsm_mncc *msg; |
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46 { |
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47 if (call->mncc_state != MNCC_STATE_STARTED) { |
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48 syslog(LOG_ERR, "MNCC_ALERT_IND in wrong MNCC state 0x%x", |
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49 call->mncc_state); |
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50 return; |
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51 } |
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52 call->mncc_state = MNCC_STATE_ALERTING; |
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53 call->overall_state = OVERALL_STATE_ALERTING; |
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54 signal_invite_ringing(call); |
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55 } |
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56 |
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57 static void |
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58 handle_answer(call, msg) |
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59 struct call *call; |
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60 struct gsm_mncc *msg; |
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61 { |
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62 if (call->mncc_state != MNCC_STATE_STARTED && |
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63 call->mncc_state != MNCC_STATE_ALERTING) { |
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64 syslog(LOG_ERR, "MNCC_SETUP_CNF in wrong MNCC state 0x%x", |
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65 call->mncc_state); |
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66 return; |
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67 } |
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68 call->mncc_state = MNCC_STATE_ANSWERED; |
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69 call->overall_state = OVERALL_STATE_ANSWERED; |
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70 /* right now we require MNCC_RTP_CREATE to have come first */ |
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71 if (!call->gsm_payload_msg_type) { |
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72 call->overall_state = OVERALL_STATE_TEARDOWN; |
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73 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, |
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74 GSM48_CC_CAUSE_PROTO_ERR); |
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75 disconnect_tmgw(call); |
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76 strcpy(call->invite_fail, "502 Internal protocol error"); |
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77 signal_invite_error(call); |
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78 return; |
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79 } |
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80 tmgw_send_mdcx_connect(call); |
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81 } |
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82 |
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83 static void |
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84 handle_disconnect_ind(call, msg) |
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85 struct call *call; |
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86 struct gsm_mncc *msg; |
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87 { |
83
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88 struct gsm_mncc_cause *cause; |
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89 |
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90 /* release back to MNCC */ |
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91 msg->msg_type = MNCC_REL_REQ; |
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92 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); |
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93 call->mncc_state = MNCC_STATE_RELEASE; |
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94 /* signal disconnect to SIP */ |
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95 call->overall_state = OVERALL_STATE_TEARDOWN; |
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96 if (msg->fields & MNCC_F_CAUSE) |
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97 cause = &msg->cause; |
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98 else |
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99 cause = &default_cause; |
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100 disconnect_sip(call, cause); |
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101 disconnect_tmgw(call); |
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102 } |
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103 |
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104 static void |
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105 handle_final_release(call, msg) |
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106 struct call *call; |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 struct gsm_mncc *msg; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
108 { |
83
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
109 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
|
110 |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
111 /* MNCC call leg is gone */ |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
112 call->mncc_state = MNCC_STATE_NO_EXIST; |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
113 /* signal disconnect to SIP */ |
3e3fbf44f9d7
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
114 call->overall_state = OVERALL_STATE_TEARDOWN; |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
115 if (msg->fields & MNCC_F_CAUSE) |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
116 cause = &msg->cause; |
3e3fbf44f9d7
sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
117 else |
3e3fbf44f9d7
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
118 cause = &default_cause; |
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sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
119 disconnect_sip(call, cause); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
66
diff
changeset
|
120 disconnect_tmgw(call); |
110
c1c94b7fc2e2
sip-in call clearing: DEAD_SIP transition implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
109
diff
changeset
|
121 transition_dead_sip(call); |
63
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 static void |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 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
|
126 struct gsm_mncc *msg; |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 unsigned msglen; |
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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 struct call *call; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 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
|
132 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
|
133 "FATAL: Rx MNCC message type 0x%x has wrong length", |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 msg->msg_type); |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 } |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 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
|
138 if (!call) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 "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
|
141 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
|
142 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 switch (msg->msg_type) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 case MNCC_SETUP_CNF: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 handle_answer(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 return; |
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sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 case MNCC_ALERT_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 handle_alerting(call, msg); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 case MNCC_DISC_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 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
|
153 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 case MNCC_REL_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 case MNCC_REL_CNF: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 case MNCC_REJ_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 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
|
158 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 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
|
160 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
|
161 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
|
162 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
|
163 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
|
164 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 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
|
166 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
|
167 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
|
168 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 case MNCC_MODIFY_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 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
|
171 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
|
172 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
|
173 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
|
174 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 case MNCC_HOLD_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 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
|
177 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
|
178 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
|
179 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
|
180 return; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 case MNCC_RETRIEVE_IND: |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 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
|
183 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
|
184 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
|
185 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
|
186 return; |
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 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 static void |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 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
|
192 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
|
193 unsigned msglen; |
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 struct call *call; |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 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
|
198 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 "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
|
200 msg->msg_type); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 } |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 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
|
204 if (!call) { |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 syslog(LOG_CRIT, |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 "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
|
207 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
|
208 exit(1); |
e5aee661e3b2
sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 } |
84
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
210 /* save Osmocom network RTP information */ |
f82157ac7303
sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents:
83
diff
changeset
|
211 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
|
212 call->gsm_payload_type = msg->payload_type; |
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213 call->gsm_payload_msg_type = msg->payload_msg_type; |
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214 /* respond with MNCC_RTP_CONNECT */ |
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215 msg->msg_type = MNCC_RTP_CONNECT; |
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216 bcopy(&call->gsm_rtp_tmgw, &msg->addr, sizeof(struct sockaddr_storage)); |
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217 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc_rtp)); |
63
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218 } |
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219 |
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220 void |
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221 msg_from_mncc(msg, msglen) |
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222 union mncc_msg *msg; |
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223 unsigned msglen; |
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224 { |
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225 switch (msg->msg_type) { |
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226 case MNCC_SETUP_CNF: |
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227 case MNCC_CALL_CONF_IND: |
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228 case MNCC_ALERT_IND: |
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229 case MNCC_NOTIFY_IND: |
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230 case MNCC_DISC_IND: |
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231 case MNCC_FACILITY_IND: |
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232 case MNCC_START_DTMF_IND: |
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233 case MNCC_STOP_DTMF_IND: |
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234 case MNCC_MODIFY_IND: |
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235 case MNCC_HOLD_IND: |
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236 case MNCC_RETRIEVE_IND: |
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237 case MNCC_USERINFO_IND: |
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238 case MNCC_REL_IND: |
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239 case MNCC_REL_CNF: |
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240 case MNCC_REJ_IND: |
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241 handle_signaling_msg(msg, msglen); |
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242 return; |
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243 case MNCC_RTP_CREATE: |
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244 handle_rtp_create(msg, msglen); |
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245 return; |
85
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246 case MNCC_RTP_CONNECT: |
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247 syslog(LOG_ERR, "MNCC_RTP_CONNECT error from OsmoMSC"); |
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248 return; |
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249 case MNCC_RTP_FREE: |
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250 syslog(LOG_ERR, "MNCC_RTP_FREE bogon from OsmoMSC"); |
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251 return; |
63
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252 default: |
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253 syslog(LOG_CRIT, |
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254 "FATAL: received unexpected MNCC message type 0x%x", |
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255 msg->msg_type); |
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256 exit(1); |
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257 } |
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258 } |