FreeCalypso > hg > themwi-system-sw

annotate sip-in/shutdown.c @ 105:9213ec8b434b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sip-in: handle themwi-mncc shutdown without terminating
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 27 Sep 2022 23:00:52 -0800
parents
children 9b87894704eb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * In this module we handle the scenarios of themwi-mncc and/or themwi-mgw
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * shutting down while we are connected to them. In both scenarios we
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * terminate all active calls (graceful disconnect signaling toward SIP
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * callers and toward whichever ThemWi daemon is still running, if either),
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * but our themwi-sip-in process itself stays running. This way once
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * the other required processes restart, inbound calls will start working
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * once again, without needing to restart themwi-sip-in.
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 */
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <sys/types.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <sys/socket.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <netinet/in.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <stdio.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <stdint.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <stdlib.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include <string.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 #include <strings.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #include <syslog.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #include "../include/mncc.h"
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #include "../include/gsm48_const.h"
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 #include "call.h"
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 extern struct call *call_list;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 static struct gsm_mncc_cause shutdown_cause = {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 .coding = GSM48_CAUSE_CODING_GSM,
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 .location = GSM48_CAUSE_LOC_PRN_S_LU,
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 .value = GSM48_CC_CAUSE_NETWORK_OOO,
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 };
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 void
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 shutdown_gsm_conn()
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 struct call *call;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 for (call = call_list; call; call = call->next) {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 call->mncc_state = MNCC_STATE_NO_EXIST;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 if (call->overall_state != OVERALL_STATE_DEAD_SIP) {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 call->overall_state = OVERALL_STATE_TEARDOWN;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 disconnect_tmgw(call);
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 disconnect_sip(call, &shutdown_cause);
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 void
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 shutdown_mgw_conn()
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 struct call *call;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 for (call = call_list; call; call = call->next) {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 call->mgw_state = MGW_STATE_NO_EXIST;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 call->mgw_xact = 0;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 if (call->overall_state != OVERALL_STATE_DEAD_SIP) {
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 call->overall_state = OVERALL_STATE_TEARDOWN;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 GSM48_CC_CAUSE_NETWORK_OOO);
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 disconnect_sip(call, &shutdown_cause);
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 }