FreeCalypso > hg > themwi-system-sw

annotate sip-out/call_list.c @ 163:bfa9f0c0f0ac

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sip-out: handle incoming BYE as UAS
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Oct 2022 14:45:31 -0800
parents e54b0a9e322f
children
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1 /*
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2 * In this module we implement call list management for themwi-sip-out.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <sys/socket.h>
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7 #include <sys/time.h>
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8 #include <netinet/in.h>
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9 #include <stdio.h>
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10 #include <stdint.h>
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11 #include <stdlib.h>
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12 #include <string.h>
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13 #include <strings.h>
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14 #include <syslog.h>
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15 #include "../include/out_routes.h"
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16 #include "call.h"
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17
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18 struct call *call_list;
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19
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20 struct call *
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21 find_call_by_sip_id(sought_id)
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22 char *sought_id;
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23 {
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24 struct call *call;
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25
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26 for (call = call_list; call; call = call->next) {
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27 if (!call->sip_call_exists)
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28 continue;
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29 if (!strcmp(call->sip_call_id, sought_id))
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30 return call;
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31 }
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32 return 0;
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33 }
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34
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35 struct call *
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36 find_call_by_mncc_callref(mncc, callref)
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37 struct mncc_conn *mncc;
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38 uint32_t callref;
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39 {
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40 struct call *call;
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41
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42 for (call = call_list; call; call = call->next)
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43 if (call->mncc == mncc && call->mncc_callref == callref)
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44 return call;
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45 return 0;
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46 }
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47
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48 void
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49 scan_call_list_for_timeouts(retrans, dead_sip_flag, dead_sip_time)
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50 int *retrans, *dead_sip_flag;
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51 time_t *dead_sip_time;
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52 {
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53 struct call *call;
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54 int got_dead_sip = 0;
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56 for (call = call_list; call; call = call->next) {
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57 if (!call->sip_call_exists)
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58 continue;
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59 switch (call->sip_state) {
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60 case SIP_STATE_INV_SENT:
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61 case SIP_STATE_CANCEL_SENT:
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62 case SIP_STATE_BYE_SENT:
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63 *retrans = 1;
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64 break;
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65 case SIP_STATE_ACCEPT_100:
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66 case SIP_STATE_ACCEPT_200:
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67 case SIP_STATE_ENDED:
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68 case SIP_STATE_MSG_SIZE_ERR:
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69 if (call->overall_state != OVERALL_STATE_SIP_FINISH)
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70 continue;
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71 if (got_dead_sip) {
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72 if (call->sip_clear_time < *dead_sip_time)
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73 *dead_sip_time = call->sip_clear_time;
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74 } else {
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75 got_dead_sip = 1;
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76 *dead_sip_flag = 1;
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77 *dead_sip_time = call->sip_clear_time;
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78 }
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79 }
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80 }
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81 }