FreeCalypso > hg > themwi-system-sw

comparison sip-out/mncc_sig_out.c @ 154:e54b0a9e322f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
beginning of themwi-sip-out
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2022 23:04:01 -0800
parents sip-in/mncc_handle.c@99fd4ae573ae
children
comparison
equal deleted inserted replaced
153:99fd4ae573ae 154:e54b0a9e322f
1 /*
2 * In this module we implement functions that send MNCC messages
3 * to OsmoMSC via themwi-mncc, to be called by SIP and TMGW events.
4 */
5
6 #include <sys/types.h>
7 #include <sys/socket.h>
8 #include <sys/time.h>
9 #include <netinet/in.h>
10 #include <stdio.h>
11 #include <stdint.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <strings.h>
15 #include <syslog.h>
16 #include "../include/mncc.h"
17 #include "../include/gsm48_const.h"
18 #include "../include/out_routes.h"
19 #include "call.h"
20
21 void
22 mncc_signal_alerting(call)
23 struct call *call;
24 {
25 struct gsm_mncc msg;
26
27 if (call->mncc_state == MNCC_STATE_ALERTING)
28 return;
29 bzero(&msg, sizeof(struct gsm_mncc));
30 msg.msg_type = MNCC_ALERT_REQ;
31 msg.callref = call->mncc_callref;
32 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
33 call->mncc_state = MNCC_STATE_ALERTING;
34 }
35
36 void
37 mncc_signal_ibt_ring(call)
38 struct call *call;
39 {
40 struct gsm_mncc msg;
41
42 bzero(&msg, sizeof(struct gsm_mncc));
43 if (call->overall_state == OVERALL_STATE_RINGING &&
44 call->mncc_state != MNCC_STATE_ALERTING) {
45 msg.msg_type = MNCC_ALERT_REQ;
46 call->mncc_state = MNCC_STATE_ALERTING;
47 } else
48 msg.msg_type = MNCC_PROGRESS_REQ;
49 msg.callref = call->mncc_callref;
50 msg.fields |= MNCC_F_PROGRESS;
51 msg.progress.coding = GSM48_CAUSE_CODING_GSM;
52 msg.progress.location = GSM48_CAUSE_LOC_NET_BEYOND;
53 msg.progress.descr = GSM48_PROGR_IN_BAND_AVAIL;
54 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
55 }
56
57 void
58 mncc_signal_answer_sup(call)
59 struct call *call;
60 {
61 struct gsm_mncc msg;
62
63 bzero(&msg, sizeof(struct gsm_mncc));
64 msg.msg_type = MNCC_SETUP_RSP;
65 msg.callref = call->mncc_callref;
66 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
67 call->mncc_state = MNCC_STATE_CONNECTED;
68 }
69
70 void
71 mncc_dtmf_start_ok(call)
72 struct call *call;
73 {
74 struct gsm_mncc msg;
75
76 bzero(&msg, sizeof(struct gsm_mncc));
77 msg.msg_type = MNCC_START_DTMF_RSP;
78 msg.callref = call->mncc_callref;
79 msg.fields |= MNCC_F_KEYPAD;
80 msg.keypad = call->dtmf_digit;
81 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
82 }
83
84 void
85 mncc_dtmf_start_err(call)
86 struct call *call;
87 {
88 struct gsm_mncc msg;
89
90 bzero(&msg, sizeof(struct gsm_mncc));
91 msg.msg_type = MNCC_START_DTMF_REJ;
92 msg.callref = call->mncc_callref;
93 mncc_set_cause(&msg, GSM48_CAUSE_LOC_PRN_S_LU,
94 GSM48_CC_CAUSE_PROTO_ERR);
95 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
96 }
97
98 void
99 mncc_dtmf_stop_ok(call)
100 struct call *call;
101 {
102 struct gsm_mncc msg;
103
104 bzero(&msg, sizeof(struct gsm_mncc));
105 msg.msg_type = MNCC_STOP_DTMF_RSP;
106 msg.callref = call->mncc_callref;
107 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
108 }
109
110 void
111 mncc_send_hold_ack(call)
112 struct call *call;
113 {
114 struct gsm_mncc msg;
115
116 bzero(&msg, sizeof(struct gsm_mncc));
117 msg.msg_type = MNCC_HOLD_CNF;
118 msg.callref = call->mncc_callref;
119 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
120 }
121
122 void
123 mncc_send_retrieve_ack(call)
124 struct call *call;
125 {
126 struct gsm_mncc msg;
127
128 bzero(&msg, sizeof(struct gsm_mncc));
129 msg.msg_type = MNCC_RETRIEVE_CNF;
130 msg.callref = call->mncc_callref;
131 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc));
132 }
133
134 void
135 send_rtp_connect(call)
136 struct call *call;
137 {
138 struct gsm_mncc_rtp rtp;
139
140 bzero(&rtp, sizeof(struct gsm_mncc_rtp));
141 rtp.msg_type = MNCC_RTP_CONNECT;
142 rtp.callref = call->mncc_callref;
143 bcopy(&call->gsm_rtp_tmgw, &rtp.addr, sizeof(struct sockaddr_storage));
144 send_mncc_to_sock(call->mncc, &rtp, sizeof(struct gsm_mncc_rtp));
145 }