annotate sip-out/shutdown.c @ 243:59a166c50d0e

themwi-mncc: convert to libnumdb2
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 14 Aug 2023 19:13:26 -0800
parents baaa6c1a3d3b
children
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
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
4 * terminate all active calls (in the case of MNCC socket closing, only
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
5 * those calls that came on that socket), but our themwi-sip-out process
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
6 * itself stays running. This way once the other required processes restart,
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
7 * outbound calls will start working once again, without needing to restart
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
8 * themwi-sip-out.
105
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>
109
9b87894704eb sip-in: first step toward final call clearing
Mychaela Falconia <falcon@freecalypso.org>
parents: 105
diff changeset
13 #include <sys/time.h>
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <netinet/in.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <stdio.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <stdint.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include <stdlib.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 #include <string.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #include <strings.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #include <syslog.h>
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #include "../include/mncc.h"
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 #include "../include/gsm48_const.h"
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
23 #include "../include/out_routes.h"
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "call.h"
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 extern struct call *call_list;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 void
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
29 shutdown_mncc_socket(mncc)
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
30 struct mncc_conn *mncc;
105
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 struct call *call;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 for (call = call_list; call; call = call->next) {
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
35 if (call->mncc != mncc)
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
36 continue;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
37 call->mncc = 0;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
38 if (call->overall_state < OVERALL_STATE_TEARDOWN) {
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 call->overall_state = OVERALL_STATE_TEARDOWN;
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 disconnect_tmgw(call);
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
41 disconnect_sip(call);
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 }
164
baaa6c1a3d3b sip-out shutdown handling: always do check_dead_call()
Mychaela Falconia <falcon@freecalypso.org>
parents: 154
diff changeset
43 check_dead_call(call);
105
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;
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
55 if (call->overall_state < OVERALL_STATE_TEARDOWN) {
105
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);
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
59 disconnect_sip(call);
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 }
164
baaa6c1a3d3b sip-out shutdown handling: always do check_dead_call()
Mychaela Falconia <falcon@freecalypso.org>
parents: 154
diff changeset
61 check_dead_call(call);
105
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 }
9213ec8b434b sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 }