FreeCalypso > hg > themwi-system-sw
annotate sip-in/call_clear.c @ 216:6aa2cd650943
tcpserv-dump: specify bind IP on the command line
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 24 Jul 2023 22:19:08 -0800 |
parents | 3a1f0e13a3ac |
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sip-in: first step toward final call clearing
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1 /* |
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2 * In this module we implement final clearing of calls, i.e., freeing |
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3 * of struct call, and all preliminary steps that need to happen |
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4 * toward this ultimate end state. |
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5 */ |
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6 |
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7 #include <sys/types.h> |
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8 #include <sys/socket.h> |
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9 #include <sys/time.h> |
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10 #include <netinet/in.h> |
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11 #include <stdio.h> |
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12 #include <stdint.h> |
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13 #include <stdlib.h> |
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14 #include <string.h> |
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15 #include <strings.h> |
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16 #include <syslog.h> |
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17 #include "call.h" |
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18 |
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19 extern struct call *call_list; |
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20 extern struct timeval cur_event_time; |
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21 |
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22 void |
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23 sip_mark_end_time(call, linger) |
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24 struct call *call; |
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25 unsigned linger; |
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26 { |
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27 call->sip_clear_time = cur_event_time.tv_sec + linger; |
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28 } |
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29 |
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30 void |
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31 transition_dead_sip(call) |
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32 struct call *call; |
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33 { |
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34 if (call->overall_state != OVERALL_STATE_TEARDOWN) |
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35 return; |
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36 if (call->sip_state != SIP_STATE_ENDED && |
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37 call->sip_state != SIP_STATE_MSG_SIZE_ERR) |
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38 return; |
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39 if (call->mncc_state != MNCC_STATE_NO_EXIST) |
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40 return; |
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41 if (call->mgw_state != MGW_STATE_NO_EXIST) |
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42 return; |
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43 if (call->mgw_xact) |
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44 return; |
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45 call->overall_state = OVERALL_STATE_DEAD_SIP; |
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46 } |
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47 |
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48 void |
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49 clear_dead_sip_calls() |
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50 { |
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51 struct call *call, **pp; |
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52 |
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53 for (pp = &call_list; *pp; ) { |
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54 call = *pp; |
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55 if (call->overall_state == OVERALL_STATE_DEAD_SIP && |
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56 cur_event_time.tv_sec >= call->sip_clear_time) { |
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57 *pp = call->next; |
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58 syslog(LOG_INFO, "Call in%06u finished", |
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59 call->in_tag_num); |
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60 free(call); |
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61 continue; |
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62 } |
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63 pp = &call->next; |
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64 } |
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65 } |