FreeCalypso > hg > themwi-system-sw

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

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beginning of themwi-sip-out
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2022 23:04:01 -0800
parents sip-in/call_clear.c@3a1f0e13a3ac
children
comparison
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153:99fd4ae573ae 154:e54b0a9e322f
1 /*
2 * In this module we implement final clearing of calls, i.e., freeing
3 * of struct call, and all preliminary steps that need to happen
4 * toward this ultimate end state.
5 */
6
7 #include <sys/types.h>
8 #include <sys/socket.h>
9 #include <sys/time.h>
10 #include <netinet/in.h>
11 #include <stdio.h>
12 #include <stdint.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include <strings.h>
16 #include <syslog.h>
17 #include "../include/out_routes.h"
18 #include "call.h"
19
20 extern struct call *call_list;
21 extern struct timeval cur_event_time;
22
23 void
24 sip_mark_end_time(call, linger)
25 struct call *call;
26 unsigned linger;
27 {
28 call->sip_clear_time = cur_event_time.tv_sec + linger;
29 }
30
31 void
32 check_dead_call(call)
33 struct call *call;
34 {
35 if (call->overall_state != OVERALL_STATE_TEARDOWN)
36 return;
37 if (call->mncc)
38 return;
39 if (call->mgw_state != MGW_STATE_NO_EXIST)
40 return;
41 if (call->mgw_xact)
42 return;
43 if (call->sip_call_exists)
44 call->overall_state = OVERALL_STATE_SIP_FINISH;
45 else
46 call->overall_state = OVERALL_STATE_GC;
47 }
48
49 void
50 clear_dead_calls()
51 {
52 struct call *call, **pp;
53
54 for (pp = &call_list; *pp; ) {
55 call = *pp;
56 if (call->overall_state == OVERALL_STATE_GC ||
57 call->overall_state == OVERALL_STATE_SIP_FINISH &&
58 call->sip_state >= SIP_STATE_ACCEPT_100 &&
59 cur_event_time.tv_sec >= call->sip_clear_time) {
60 *pp = call->next;
61 free(call);
62 continue;
63 }
64 pp = &call->next;
65 }
66 }