FreeCalypso > hg > themwi-system-sw
annotate sip-in/call_setup.c @ 112:6aa63cf4620a
sip-in call clearing: select timeout implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 28 Sep 2022 18:59:55 -0800 |
parents | 9b87894704eb |
children | 1bbe57df74f6 |
rev | line source |
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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; |
63
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71 call->mncc_state = MNCC_STATE_STARTED; |
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72 } |