FreeCalypso > hg > themwi-system-sw
annotate sip-in/shutdown.c @ 106:245dc4837b56
sip-in: fix bugs in last commit
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 27 Sep 2022 23:44:07 -0800 |
parents | 9213ec8b434b |
children | 9b87894704eb |
rev | line source |
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sip-in: handle themwi-mncc shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
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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 (graceful disconnect signaling toward SIP |
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5 * callers and toward whichever ThemWi daemon is still running, if either), |
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6 * but our themwi-sip-in process itself stays running. This way once |
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7 * the other required processes restart, inbound calls will start working |
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8 * once again, without needing to restart themwi-sip-in. |
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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 <netinet/in.h> |
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14 #include <stdio.h> |
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15 #include <stdint.h> |
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16 #include <stdlib.h> |
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17 #include <string.h> |
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18 #include <strings.h> |
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19 #include <syslog.h> |
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20 #include "../include/mncc.h" |
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21 #include "../include/gsm48_const.h" |
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22 #include "call.h" |
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23 |
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24 extern struct call *call_list; |
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25 |
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26 static struct gsm_mncc_cause shutdown_cause = { |
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27 .coding = GSM48_CAUSE_CODING_GSM, |
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28 .location = GSM48_CAUSE_LOC_PRN_S_LU, |
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29 .value = GSM48_CC_CAUSE_NETWORK_OOO, |
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30 }; |
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31 |
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32 void |
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33 shutdown_gsm_conn() |
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34 { |
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35 struct call *call; |
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36 |
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37 for (call = call_list; call; call = call->next) { |
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38 call->mncc_state = MNCC_STATE_NO_EXIST; |
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39 if (call->overall_state != OVERALL_STATE_DEAD_SIP) { |
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40 call->overall_state = OVERALL_STATE_TEARDOWN; |
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41 disconnect_tmgw(call); |
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42 disconnect_sip(call, &shutdown_cause); |
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43 } |
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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_DEAD_SIP) { |
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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, &shutdown_cause); |
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60 } |
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61 } |
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62 } |