FreeCalypso > hg > themwi-system-sw

annotate sip-in/mncc_handle.c @ 141:e499e8db8b82

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sip-in: handle call hold and retrieve
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Oct 2022 13:28:30 -0800
parents 01fe81914bd6
children 99fd4ae573ae
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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 void
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43 mncc_dtmf_start_ok(call)
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44 struct call *call;
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45 {
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46 struct gsm_mncc msg;
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47
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48 bzero(&msg, sizeof(struct gsm_mncc));
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49 msg.msg_type = MNCC_START_DTMF_RSP;
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50 msg.callref = call->mncc_callref;
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51 msg.fields |= MNCC_F_KEYPAD;
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52 msg.keypad = call->dtmf_digit;
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53 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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54 }
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55
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56 void
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57 mncc_dtmf_start_err(call)
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58 struct call *call;
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59 {
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60 struct gsm_mncc msg;
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61
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62 bzero(&msg, sizeof(struct gsm_mncc));
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63 msg.msg_type = MNCC_START_DTMF_REJ;
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64 msg.callref = call->mncc_callref;
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65 mncc_set_cause(&msg, GSM48_CAUSE_LOC_PRN_S_LU,
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66 GSM48_CC_CAUSE_PROTO_ERR);
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67 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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68 }
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69
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70 void
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71 mncc_dtmf_stop_ok(call)
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72 struct call *call;
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73 {
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74 struct gsm_mncc msg;
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75
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76 bzero(&msg, sizeof(struct gsm_mncc));
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77 msg.msg_type = MNCC_STOP_DTMF_RSP;
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78 msg.callref = call->mncc_callref;
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79 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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80 }
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81
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82 void
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83 mncc_send_hold_ack(call)
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84 struct call *call;
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85 {
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86 struct gsm_mncc msg;
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87
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88 bzero(&msg, sizeof(struct gsm_mncc));
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89 msg.msg_type = MNCC_HOLD_CNF;
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90 msg.callref = call->mncc_callref;
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91 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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92 }
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93
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94 void
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95 mncc_send_retrieve_ack(call)
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96 struct call *call;
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97 {
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98 struct gsm_mncc msg;
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99
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100 bzero(&msg, sizeof(struct gsm_mncc));
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101 msg.msg_type = MNCC_RETRIEVE_CNF;
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102 msg.callref = call->mncc_callref;
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103 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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104 }
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105
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106 static void
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107 send_rtp_connect(call)
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108 struct call *call;
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109 {
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110 struct gsm_mncc_rtp rtp;
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111
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112 bzero(&rtp, sizeof(struct gsm_mncc_rtp));
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113 rtp.msg_type = MNCC_RTP_CONNECT;
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114 rtp.callref = call->mncc_callref;
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115 bcopy(&call->gsm_rtp_tmgw, &rtp.addr, sizeof(struct sockaddr_storage));
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116 send_mncc_to_gsm(&rtp, sizeof(struct gsm_mncc_rtp));
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117 }
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118
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119 static void
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120 handle_alerting(call, msg)
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121 struct call *call;
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122 struct gsm_mncc *msg;
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123 {
65
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
124 if (call->mncc_state != MNCC_STATE_STARTED) {
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
125 syslog(LOG_ERR, "MNCC_ALERT_IND in wrong MNCC state 0x%x",
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
126 call->mncc_state);
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
127 return;
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
128 }
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
129 call->mncc_state = MNCC_STATE_ALERTING;
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
130 call->overall_state = OVERALL_STATE_ALERTING;
7c0309df59f8 sip-in: handling of ALERTING state
Mychaela Falconia <falcon@freecalypso.org>
parents: 63
diff changeset
131 signal_invite_ringing(call);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 handle_answer(call, msg)
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 struct gsm_mncc *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 {
66
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
139 if (call->mncc_state != MNCC_STATE_STARTED &&
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
140 call->mncc_state != MNCC_STATE_ALERTING) {
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
141 syslog(LOG_ERR, "MNCC_SETUP_CNF in wrong MNCC state 0x%x",
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
142 call->mncc_state);
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
143 return;
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
144 }
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
145 call->mncc_state = MNCC_STATE_ANSWERED;
5beb51de1bae sip-in: got as far as propagating GSM CC CONNECT to INVITE 200
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
146 call->overall_state = OVERALL_STATE_ANSWERED;
86
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
147 /* right now we require MNCC_RTP_CREATE to have come first */
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
148 if (!call->gsm_payload_msg_type) {
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
149 call->overall_state = OVERALL_STATE_TEARDOWN;
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
150 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
151 GSM48_CC_CAUSE_PROTO_ERR);
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
152 disconnect_tmgw(call);
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
153 strcpy(call->invite_fail, "502 Internal protocol error");
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
154 signal_invite_error(call);
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
155 return;
f332ccc240f1 sip-in: preparations toward TMGW connect-through
Mychaela Falconia <falcon@freecalypso.org>
parents: 85
diff changeset
156 }
140
01fe81914bd6 sip-in: move MNCC_RTP_CONNECT sending to answer time
Mychaela Falconia <falcon@freecalypso.org>
parents: 128
diff changeset
157 send_rtp_connect(call);
98
423610bb2c9e sip-in: send MDCX to TMGW to connect the call through
Mychaela Falconia <falcon@freecalypso.org>
parents: 87
diff changeset
158 tmgw_send_mdcx_connect(call);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 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
163 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 struct gsm_mncc *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 {
83
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
166 struct gsm_mncc_cause *cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
167
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
168 /* release back to MNCC */
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
169 msg->msg_type = MNCC_REL_REQ;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
170 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
171 call->mncc_state = MNCC_STATE_RELEASE;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
172 /* signal disconnect to SIP */
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
173 call->overall_state = OVERALL_STATE_TEARDOWN;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
174 if (msg->fields & MNCC_F_CAUSE)
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
175 cause = &msg->cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
176 else
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
177 cause = &default_cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
178 disconnect_sip(call, cause);
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
179 disconnect_tmgw(call);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 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
184 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 struct gsm_mncc *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 {
83
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
187 struct gsm_mncc_cause *cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
188
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
189 /* MNCC call leg is gone */
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
190 call->mncc_state = MNCC_STATE_NO_EXIST;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
191 /* signal disconnect to SIP */
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
192 call->overall_state = OVERALL_STATE_TEARDOWN;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
193 if (msg->fields & MNCC_F_CAUSE)
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
194 cause = &msg->cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
195 else
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
196 cause = &default_cause;
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
197 disconnect_sip(call, cause);
3e3fbf44f9d7 sip-in: disconnect and call clearing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
198 disconnect_tmgw(call);
110
c1c94b7fc2e2 sip-in call clearing: DEAD_SIP transition implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
199 transition_dead_sip(call);
63
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
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 static void
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
203 handle_dtmf_start(call, msg)
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
204 struct call *call;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
205 struct gsm_mncc *msg;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
206 {
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
207 if (!(msg->fields & MNCC_F_KEYPAD) ||
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
208 !is_valid_dtmf_digit(msg->keypad)) {
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
209 msg->msg_type = MNCC_START_DTMF_REJ;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
210 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
211 GSM48_CC_CAUSE_INVAL_MAND_INF);
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
212 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
213 return;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
214 }
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
215 if (call->overall_state != OVERALL_STATE_CONNECTED ||
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
216 call->mgw_state != MGW_STATE_COMPLETE) {
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
217 msg->msg_type = MNCC_START_DTMF_REJ;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
218 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
219 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
220 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
221 return;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
222 }
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
223 call->dtmf_digit = msg->keypad;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
224 tmgw_send_dtmf_start(call);
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
225 }
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
226
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
227 static void
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
228 handle_dtmf_stop(call, msg)
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
229 struct call *call;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
230 struct gsm_mncc *msg;
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
231 {
141
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
232 if (call->overall_state != OVERALL_STATE_CONNECTED)
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
233 return;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
234 if (call->mgw_state == MGW_STATE_COMPLETE)
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
235 tmgw_send_dtmf_stop(call);
141
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
236 else if (call->mgw_state == MGW_STATE_DTMF_OP)
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
237 call->dtmf_pending_stop = 1;
141
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
238 else {
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
239 /* dummy OK response */
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
240 msg->msg_type = MNCC_STOP_DTMF_RSP;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
241 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
242 }
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
243 }
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
244
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
245 static void
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
246 handle_call_hold(call, msg)
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
247 struct call *call;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
248 struct gsm_mncc *msg;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
249 {
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
250 if (call->overall_state != OVERALL_STATE_CONNECTED ||
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
251 call->mgw_state != MGW_STATE_COMPLETE) {
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
252 msg->msg_type = MNCC_HOLD_REJ;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
253 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
254 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
255 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
256 return;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
257 }
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
258 tmgw_send_mdcx_hold(call);
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
259 }
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
260
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
261 static void
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
262 handle_call_retrieve(call, msg)
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
263 struct call *call;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
264 struct gsm_mncc *msg;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
265 {
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
266 if (call->overall_state != OVERALL_STATE_CONNECTED ||
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
267 call->mgw_state != MGW_STATE_HELD) {
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
268 msg->msg_type = MNCC_RETRIEVE_REJ;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
269 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
270 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
271 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
272 return;
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
273 }
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
274 send_rtp_connect(call);
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
275 tmgw_send_mdcx_retrieve(call);
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
276 }
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
277
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
278 static void
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 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
280 struct gsm_mncc *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 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
286 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 "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
288 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 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
292 if (!call) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 "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
295 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
296 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 switch (msg->msg_type) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 case MNCC_SETUP_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 handle_answer(call, msg);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 case MNCC_ALERT_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 handle_alerting(call, msg);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 case MNCC_DISC_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 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
307 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 case MNCC_REL_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 case MNCC_REL_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 case MNCC_REJ_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 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
312 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 case MNCC_START_DTMF_IND:
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
314 handle_dtmf_start(call, msg);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 case MNCC_STOP_DTMF_IND:
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
317 handle_dtmf_stop(call, msg);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 case MNCC_MODIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 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
321 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
322 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
323 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
324 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 case MNCC_HOLD_IND:
141
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
326 handle_call_hold(call, msg);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 case MNCC_RETRIEVE_IND:
141
e499e8db8b82 sip-in: handle call hold and retrieve
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
329 handle_call_retrieve(call, msg);
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 static void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 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
336 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
337 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 struct call *call;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 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
342 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 "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
344 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 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
348 if (!call) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 "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
351 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
352 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 }
84
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
354 /* save Osmocom network RTP information */
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
355 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
356 call->gsm_payload_type = msg->payload_type;
f82157ac7303 sip-in: handle MNCC_RTP_CREATE
Mychaela Falconia <falcon@freecalypso.org>
parents: 83
diff changeset
357 call->gsm_payload_msg_type = msg->payload_msg_type;
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 void
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 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
362 union mncc_msg *msg;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 unsigned msglen;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 switch (msg->msg_type) {
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 case MNCC_SETUP_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 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
368 case MNCC_ALERT_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 case MNCC_NOTIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 case MNCC_DISC_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 case MNCC_FACILITY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 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
373 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
374 case MNCC_MODIFY_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 case MNCC_HOLD_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 case MNCC_RETRIEVE_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 case MNCC_USERINFO_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 case MNCC_REL_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 case MNCC_REL_CNF:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 case MNCC_REJ_IND:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 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
382 return;
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 case MNCC_RTP_CREATE:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 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
385 return;
85
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
386 case MNCC_RTP_CONNECT:
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
387 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
388 return;
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
389 case MNCC_RTP_FREE:
70c3c8ebee33 sip-in: handle MNCC RTP bogons from OsmoMSC
Mychaela Falconia <falcon@freecalypso.org>
parents: 84
diff changeset
390 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
391 return;
63
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 default:
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 syslog(LOG_CRIT,
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 "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
395 msg->msg_type);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 exit(1);
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397 }
e5aee661e3b2 sip-in: beginning to handle incoming MNCC messages from themwi-mncc
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 }