FreeCalypso > hg > themwi-system-sw

annotate sip-in/mncc_handle.c @ 109:9b87894704eb

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sip-in: first step toward final call clearing
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 28 Sep 2022 16:32:13 -0800
parents 423610bb2c9e
children c1c94b7fc2e2
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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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107 struct gsm_mncc *msg;
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108 {
83
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109 struct gsm_mncc_cause *cause;
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110
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111 /* MNCC call leg is gone */
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112 call->mncc_state = MNCC_STATE_NO_EXIST;
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113 /* signal disconnect to SIP */
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114 call->overall_state = OVERALL_STATE_TEARDOWN;
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115 if (msg->fields & MNCC_F_CAUSE)
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116 cause = &msg->cause;
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117 else
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118 cause = &default_cause;
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119 disconnect_sip(call, cause);
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120 disconnect_tmgw(call);
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121 }
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122
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 handle_signaling_msg(msg, msglen)
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 struct gsm_mncc *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 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
131 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 "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
133 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 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
137 if (!call) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 "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
140 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
141 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 switch (msg->msg_type) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 case MNCC_SETUP_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 handle_answer(call, msg);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 case MNCC_ALERT_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 handle_alerting(call, msg);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 case MNCC_DISC_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 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
152 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 case MNCC_REL_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 case MNCC_REL_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 case MNCC_REJ_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 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
157 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 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
159 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
160 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
161 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
162 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
163 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 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
165 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
166 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
167 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 case MNCC_MODIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 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
170 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
171 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
172 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
173 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 case MNCC_HOLD_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 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
176 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
177 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
178 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
179 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 case MNCC_RETRIEVE_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 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
182 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
183 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
184 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
185 return;
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
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 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
191 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
192 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 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
197 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 "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
199 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 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
203 if (!call) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 "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
206 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
207 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 }
84
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
209 /* save Osmocom network RTP information */
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
210 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
211 call->gsm_payload_type = msg->payload_type;
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
212 call->gsm_payload_msg_type = msg->payload_msg_type;
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
213 /* respond with MNCC_RTP_CONNECT */
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
214 msg->msg_type = MNCC_RTP_CONNECT;
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
215 bcopy(&call->gsm_rtp_tmgw, &msg->addr, sizeof(struct sockaddr_storage));
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
216 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc_rtp));
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 msg_from_mncc(msg, msglen)
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 union mncc_msg *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 switch (msg->msg_type) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 case MNCC_SETUP_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 case MNCC_CALL_CONF_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 case MNCC_ALERT_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 case MNCC_NOTIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 case MNCC_DISC_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 case MNCC_FACILITY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 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
232 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
233 case MNCC_MODIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 case MNCC_HOLD_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 case MNCC_RETRIEVE_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 case MNCC_USERINFO_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 case MNCC_REL_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 case MNCC_REL_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 case MNCC_REJ_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 handle_signaling_msg(msg, msglen);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 case MNCC_RTP_CREATE:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 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
244 return;
85
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
245 case MNCC_RTP_CONNECT:
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
246 syslog(LOG_ERR, "MNCC_RTP_CONNECT error from OsmoMSC");
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
247 return;
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
248 case MNCC_RTP_FREE:
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
249 syslog(LOG_ERR, "MNCC_RTP_FREE bogon from OsmoMSC");
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
250 return;
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 default:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 "FATAL: received unexpected MNCC message type 0x%x",
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 }