FreeCalypso > hg > themwi-system-sw
annotate sip-out/disconnect.c @ 165:9419fe55824f
themwi-sip-out complete to the point of compiling and linking
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 12 Oct 2022 17:05:45 -0800 |
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1 /* |
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2 * In this module we implement call disconnection and clearing procedures. |
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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/mncc.h" |
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16 #include "../include/gsm48_const.h" |
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17 #include "../include/out_routes.h" |
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18 #include "call.h" |
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19 |
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20 extern unsigned sip_linger_timeout; |
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21 |
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22 void |
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23 disconnect_mncc(call, cause_loc, cause_val) |
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24 struct call *call; |
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25 { |
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26 struct gsm_mncc msg; |
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27 |
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28 if (!call->mncc) |
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29 return; |
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30 switch (call->mncc_state) { |
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31 case MNCC_STATE_DISCONNECT: |
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32 case MNCC_STATE_RELEASE: |
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33 return; |
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34 } |
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35 bzero(&msg, sizeof(struct gsm_mncc)); |
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36 msg.msg_type = MNCC_DISC_REQ; |
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37 msg.callref = call->mncc_callref; |
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38 mncc_set_cause(&msg, cause_loc, cause_val); |
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39 send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); |
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40 call->mncc_state = MNCC_STATE_DISCONNECT; |
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41 } |
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42 |
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43 void |
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44 disconnect_tmgw(call) |
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45 struct call *call; |
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46 { |
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47 switch (call->mgw_state) { |
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48 case MGW_STATE_NO_EXIST: |
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49 case MGW_STATE_DELETING: |
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50 case MGW_STATE_MDCX_IBT: |
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51 case MGW_STATE_MDCX_CONN: |
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52 case MGW_STATE_MDCX_HOLD: |
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53 case MGW_STATE_MDCX_RETR: |
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54 case MGW_STATE_DTMF_OP: |
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55 return; |
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56 case MGW_STATE_ALLOCATED: |
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57 case MGW_STATE_IBT_CONN: |
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58 case MGW_STATE_COMPLETE: |
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59 case MGW_STATE_HELD: |
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60 tmgw_send_dlcx(call); |
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61 return; |
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62 default: |
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63 syslog(LOG_CRIT, |
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64 "FATAL: invalid MGW state 0x%x in disconnect_tmgw()", |
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65 call->mgw_state); |
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66 exit(1); |
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67 } |
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68 } |
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69 |
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70 void |
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71 disconnect_sip(call) |
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72 struct call *call; |
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73 { |
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74 if (!call->sip_call_exists) |
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75 return; |
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76 switch (call->sip_state) { |
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77 case SIP_STATE_INV_SENT: |
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78 call->sip_state = SIP_STATE_ACCEPT_100; |
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79 sip_mark_end_time(call, sip_linger_timeout); |
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80 break; |
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81 case SIP_STATE_100_RCVD: |
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82 initiate_sip_cancel(call); |
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83 break; |
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84 case SIP_STATE_CONNECTED: |
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85 initiate_bye(call); |
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86 break; |
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87 } |
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88 } |