FreeCalypso > hg > themwi-system-sw

annotate sip-in/call_list.c @ 262:f1c024b2b835

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smpp-trx-sa/log.c: additional cleanup
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 11 Oct 2023 21:21:34 -0800
parents 6aa63cf4620a
children
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1 /*
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2 * In this module we implement call list management for themwi-sip-in.
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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 "call.h"
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16
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17 struct call *call_list;
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18
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19 struct call *
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20 find_call_by_sip_id(sought_id)
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21 char *sought_id;
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22 {
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23 struct call *call;
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24
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25 for (call = call_list; call; call = call->next)
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26 if (!strcmp(call->sip_call_id, sought_id))
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27 return call;
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28 return 0;
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29 }
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30
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31 struct call *
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32 find_call_by_mncc_callref(callref)
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33 uint32_t callref;
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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 if (call->mncc_state && call->mncc_callref == callref)
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39 return call;
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40 return 0;
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41 }
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42
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43 allocate_mncc_callref(call)
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44 struct call *call;
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45 {
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46 static uint32_t next_callref;
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47
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48 for (;;) {
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49 next_callref++;
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50 if (!find_call_by_mncc_callref(next_callref)) {
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51 call->mncc_callref = next_callref;
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52 return(0);
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53 }
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54 }
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55 }
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56
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57 void
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58 scan_call_list_for_timeouts(retrans, dead_sip_flag, dead_sip_time)
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59 int *retrans, *dead_sip_flag;
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60 time_t *dead_sip_time;
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61 {
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62 struct call *call;
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63 int got_dead_sip = 0;
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64
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65 for (call = call_list; call; call = call->next) {
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66 switch (call->sip_state) {
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67 case SIP_STATE_RINGING_REL:
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68 case SIP_STATE_INVITE_200:
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69 case SIP_STATE_INVITE_ERR:
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70 case SIP_STATE_BYE_SENT:
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71 *retrans = 1;
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72 break;
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73 case SIP_STATE_ENDED:
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74 case SIP_STATE_MSG_SIZE_ERR:
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75 if (call->overall_state != OVERALL_STATE_DEAD_SIP)
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76 continue;
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77 if (got_dead_sip) {
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78 if (call->sip_clear_time < *dead_sip_time)
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79 *dead_sip_time = call->sip_clear_time;
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80 } else {
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81 got_dead_sip = 1;
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82 *dead_sip_flag = 1;
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83 *dead_sip_time = call->sip_clear_time;
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84 }
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85 }
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86 }
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87 }