FreeCalypso > hg > themwi-system-sw

annotate sip-in/call_setup.c @ 219:9ba474e918c0

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smpp-test1: try sending some ID strings
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 01 Aug 2023 22:56:52 -0800
parents 1bbe57df74f6
children
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62
75b7a7b61824 sip-in: got as far as sending MNCC_SETUP_REQ to themwi-mncc
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1 /*
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2 * In this module we implement incoming call setup toward GSM.
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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 "call.h"
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18
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19 static void
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20 fill_calling_number(from, caller)
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21 char *from;
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22 struct gsm_mncc_number *caller;
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23 {
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24 char *num;
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25 int cc;
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26
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27 if (!strcasecmp(from, "Restricted")) {
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28 caller->present = GSM48_PRES_RESTR;
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29 return;
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30 }
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31 if (*from == '+')
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32 num = from + 1;
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33 else
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34 num = from;
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35 cc = grok_number_string(num, 0);
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36 if (cc < 1 || cc > 32) {
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37 /* not a valid number */
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38 caller->present = GSM48_PRES_UNAVAIL;
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39 return;
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40 }
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41 /* accept "From" user as a valid number */
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42 strcpy(caller->number, num);
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43 caller->plan = GSM48_NPI_ISDN_E164;
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44 if (*from == '+')
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45 caller->type = GSM48_TON_INTERNATIONAL;
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46 }
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47
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48 void
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49 proceed_with_call_setup(call)
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50 struct call *call;
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51 {
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52 struct gsm_mncc setup_msg;
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53
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54 allocate_mncc_callref(call);
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55 bzero(&setup_msg, sizeof setup_msg);
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56 setup_msg.msg_type = MNCC_SETUP_REQ;
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57 setup_msg.callref = call->mncc_callref;
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58 /* fill called number */
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59 setup_msg.called.type = GSM48_TON_INTERNATIONAL;
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60 setup_msg.called.plan = GSM48_NPI_ISDN_E164;
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61 setup_msg.called.number[0] = '1';
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62 strcpy(setup_msg.called.number+1, call->called_nanp);
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63 setup_msg.fields |= MNCC_F_CALLED;
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64 /* fill calling number */
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65 call->from_user[call->from_user_len] = '\0';
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66 fill_calling_number(call->from_user, &setup_msg.calling);
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67 call->from_user[call->from_user_len] = '@';
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68 setup_msg.fields |= MNCC_F_CALLING;
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69 send_mncc_to_gsm(&setup_msg, sizeof(struct gsm_mncc));
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70 call->overall_state = OVERALL_STATE_CALL_GSM;
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71 call->mncc_state = MNCC_STATE_STARTED;
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72 syslog(LOG_DEBUG, "Call in%06u mapped to socket callref 0x%x",
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73 call->in_tag_num, call->mncc_callref);
62
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74 }