annotate sip-out/shutdown.c @ 267:81958b35f74d

NANP validation: allow made-up area codes of N9X form
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 13 Nov 2023 15:28:09 -0800
parents baaa6c1a3d3b
children
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1 /*
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2 * In this module we handle the scenarios of themwi-mncc and/or themwi-mgw
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3 * shutting down while we are connected to them. In both scenarios we
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4 * terminate all active calls (in the case of MNCC socket closing, only
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5 * those calls that came on that socket), but our themwi-sip-out process
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6 * itself stays running. This way once the other required processes restart,
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7 * outbound calls will start working once again, without needing to restart
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8 * themwi-sip-out.
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9 */
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10
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11 #include <sys/types.h>
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12 #include <sys/socket.h>
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13 #include <sys/time.h>
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14 #include <netinet/in.h>
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15 #include <stdio.h>
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16 #include <stdint.h>
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17 #include <stdlib.h>
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18 #include <string.h>
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19 #include <strings.h>
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20 #include <syslog.h>
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21 #include "../include/mncc.h"
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22 #include "../include/gsm48_const.h"
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23 #include "../include/out_routes.h"
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24 #include "call.h"
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25
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26 extern struct call *call_list;
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27
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28 void
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29 shutdown_mncc_socket(mncc)
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30 struct mncc_conn *mncc;
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31 {
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32 struct call *call;
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33
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34 for (call = call_list; call; call = call->next) {
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35 if (call->mncc != mncc)
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36 continue;
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37 call->mncc = 0;
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38 if (call->overall_state < OVERALL_STATE_TEARDOWN) {
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39 call->overall_state = OVERALL_STATE_TEARDOWN;
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40 disconnect_tmgw(call);
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41 disconnect_sip(call);
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42 }
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43 check_dead_call(call);
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44 }
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45 }
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46
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47 void
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48 shutdown_mgw_conn()
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49 {
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50 struct call *call;
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51
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52 for (call = call_list; call; call = call->next) {
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53 call->mgw_state = MGW_STATE_NO_EXIST;
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54 call->mgw_xact = 0;
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55 if (call->overall_state < OVERALL_STATE_TEARDOWN) {
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56 call->overall_state = OVERALL_STATE_TEARDOWN;
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57 disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
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58 GSM48_CC_CAUSE_NETWORK_OOO);
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59 disconnect_sip(call);
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60 }
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61 check_dead_call(call);
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62 }
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63 }