FreeCalypso > hg > themwi-interim

annotate mncc/call_setup.c @ 14:44c1d4d787e9 default tip

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themwi-test-mtc: add option to set bearer cap
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 28 Nov 2024 20:37:23 +0000
parents 847690ea7f4a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * In this module we implement setup of new calls: either new MO calls
053f04687106 mncc: initial import from old ThemWi
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3 * coming from GSM or new MT calls coming from a ThemWi call socket.
053f04687106 mncc: initial import from old ThemWi
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4 */
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5
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6 #include <sys/types.h>
053f04687106 mncc: initial import from old ThemWi
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7 #include <sys/socket.h>
053f04687106 mncc: initial import from old ThemWi
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8 #include <stdio.h>
053f04687106 mncc: initial import from old ThemWi
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9 #include <stdint.h>
3
847690ea7f4a mncc compiles in new environment
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parents: 2
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10 #include <stdbool.h>
2
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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>
3
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15
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Mychaela Falconia <falcon@freecalypso.org>
parents: 2
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16 #include <themwi/nanp/number_db_v2.h>
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17 #include <themwi/nanp/number_lookup.h>
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18 #include <themwi/nanp/number_utils.h>
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19
2
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20 #include "../include/mncc.h"
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21 #include "../include/gsm48_const.h"
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22 #include "struct.h"
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23 #include "gsm_call.h"
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24
053f04687106 mncc: initial import from old ThemWi
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25 preen_msc_provided_number(nums)
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26 struct gsm_mncc_number *nums;
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27 {
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28 int len;
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29
3
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30 len = grok_number_string(nums->number, false);
2
053f04687106 mncc: initial import from old ThemWi
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31 switch (len) {
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32 case 4:
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33 nums->type = GSM48_TON_NET_SPEC;
053f04687106 mncc: initial import from old ThemWi
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34 nums->plan = GSM48_NPI_PRIVATE;
053f04687106 mncc: initial import from old ThemWi
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35 break;
053f04687106 mncc: initial import from old ThemWi
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36 case 11:
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37 if (nums->number[0] != '1')
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38 return(0);
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39 nums->type = GSM48_TON_INTERNATIONAL;
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40 nums->plan = GSM48_NPI_ISDN_E164;
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41 break;
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42 default:
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43 return(0);
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44 }
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45 nums->screen = GSM48_SCRN_NETWORK;
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46 return(1);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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47 }
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parents:
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48
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49 void
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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50 reject_mo_call(callref, cause_loc, cause_val)
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51 uint32_t callref;
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52 {
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53 struct gsm_mncc msg;
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54
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55 bzero(&msg, sizeof(struct gsm_mncc));
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56 msg.msg_type = MNCC_REJ_REQ;
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57 msg.callref = callref;
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58 mncc_set_cause(&msg, cause_loc, cause_val);
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Mychaela Falconia <falcon@freecalypso.org>
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59 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
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60 }
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61
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62 void
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Mychaela Falconia <falcon@freecalypso.org>
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63 process_mo_call_setup(msg)
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64 struct gsm_mncc *msg;
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65 {
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66 struct gsm_call *call;
3
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67 const struct owned_number_rec *own;
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68 const struct short_number_rec *snum;
2
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parents:
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69 int is_nanp, is_itn, is_local;
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70
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parents:
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71 if (preen_msc_provided_number(&msg->calling))
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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72 msg->fields |= MNCC_F_CALLING;
053f04687106 mncc: initial import from old ThemWi
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parents:
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73 else
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Mychaela Falconia <falcon@freecalypso.org>
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74 msg->fields &= ~MNCC_F_CALLING;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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75 if (!(msg->fields & MNCC_F_CALLED)) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 syslog(LOG_ERR, "rejecting MO call 0x%x: no called number",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 msg->callref);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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79 GSM48_CC_CAUSE_INVAL_MAND_INF);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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80 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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81 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 call = create_gsm_call(msg->callref);
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83 if (!call) {
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84 syslog(LOG_ERR, "rejecting MO call 0x%x: no memory for call",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 msg->callref);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
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88 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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89 }
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90 /* route based on destination address */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 refresh_number_db();
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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92 is_nanp = is_itn = 0;
3
847690ea7f4a mncc compiles in new environment
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
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93 switch (grok_number_string(msg->called.number, false)) {
2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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94 case 4:
053f04687106 mncc: initial import from old ThemWi
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parents:
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95 if (msg->called.type != GSM48_TON_UNKNOWN &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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96 msg->called.type != GSM48_TON_NET_SPEC &&
053f04687106 mncc: initial import from old ThemWi
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97 msg->called.type != GSM48_TON_SHORT_CODE)
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parents:
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98 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 if (msg->called.plan != GSM48_NPI_UNKNOWN &&
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 msg->called.plan != GSM48_NPI_ISDN_E164 &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 msg->called.plan != GSM48_NPI_PRIVATE)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 snum = numdb_lookup_short(msg->called.number);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 if (!snum) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 "rejecting MO call 0x%x: unassigned short number",
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Mychaela Falconia <falcon@freecalypso.org>
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107 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 GSM48_CC_CAUSE_UNASSIGNED_NR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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110 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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111 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 switch (snum->short_num_type) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 case SHORT_NUM_TYPE_ABBREV:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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115 is_nanp = 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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116 msg->called.type = GSM48_TON_INTERNATIONAL;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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117 msg->called.plan = GSM48_NPI_ISDN_E164;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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118 sprintf(msg->called.number, "1%03u%03u%04u",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 snum->fullnum_prefix[0],
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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120 snum->fullnum_prefix[1], snum->short_num);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 case SHORT_NUM_TYPE_ITN:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123 is_itn = 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 msg->called.type = GSM48_TON_NET_SPEC;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 msg->called.plan = GSM48_NPI_PRIVATE;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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127 case SHORT_NUM_TYPE_TEST_SINK:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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128 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 "rejecting MO call 0x%x: test sink not implemented",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 GSM48_CC_CAUSE_DEST_OOO);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
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133 call->gc_flag = 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 default:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 "rejecting MO call 0x%x: unknown short number type 0x%02X",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 msg->callref, snum->short_num_type);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 GSM48_CC_CAUSE_DEST_OOO);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 case 10:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 if (msg->called.type != GSM48_TON_UNKNOWN &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 msg->called.type != GSM48_TON_NATIONAL)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if (msg->called.plan != GSM48_NPI_UNKNOWN &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 msg->called.plan != GSM48_NPI_ISDN_E164 &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 msg->called.plan != GSM48_NPI_NATIONAL)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 if (!is_nanp_valid_prefix(msg->called.number)) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 "rejecting MO call 0x%x: invalid NANP number",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 GSM48_CC_CAUSE_INV_NR_FORMAT);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 is_nanp = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 /* canonicalize to international format */
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 bcopy(msg->called.number, msg->called.number+1, 11);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 msg->called.number[0] = '1';
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 msg->called.type = GSM48_TON_INTERNATIONAL;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 msg->called.plan = GSM48_NPI_ISDN_E164;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 case 11:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 if (msg->called.type != GSM48_TON_UNKNOWN &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 msg->called.type != GSM48_TON_INTERNATIONAL)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 if (msg->called.plan != GSM48_NPI_UNKNOWN &&
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 msg->called.plan != GSM48_NPI_ISDN_E164)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 if (msg->called.number[0] != '1')
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 if (!is_nanp_valid_prefix(msg->called.number+1)) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 "rejecting MO call 0x%x: invalid NANP number",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 GSM48_CC_CAUSE_INV_NR_FORMAT);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 is_nanp = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 /* canonicalize to international format */
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 msg->called.type = GSM48_TON_INTERNATIONAL;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 msg->called.plan = GSM48_NPI_ISDN_E164;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 is_local = is_itn;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 if (is_nanp && (own = numdb_lookup_nanp(msg->called.number+1))) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 is_local = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 switch (own->usage & NUMBER_USAGE_MASK) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 case NUMBER_USAGE_TYPE_GSM_SUB:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 case NUMBER_USAGE_TYPE_ALIAS:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 sprintf(msg->called.number, "1%03u%03u%04u",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 own->remap[0], own->remap[1], own->remap[2]);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 break;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 default:
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 syslog(LOG_ERR,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 "rejecting MO call 0x%x: unassigned owned NANP",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 GSM48_CC_CAUSE_UNASSIGNED_NR);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 /* weed out attempts to call yourself */
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 if (is_local && !strcmp(msg->calling.number, msg->called.number)) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 syslog(LOG_ERR, "rejecting MO call 0x%x: call to self",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 msg->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 reject_mo_call(msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 GSM48_CC_CAUSE_INCOMPAT_DEST);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 call->gc_flag = 1;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /* actually route the call */
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 if (is_local)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 internal_switch_mo_setup(call, msg);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 else
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 outbound_mo_setup(call, msg);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 static void
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 reject_mt_call(conn, callref, cause_loc, cause_val)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 struct socket_conn *conn;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 uint32_t callref;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 struct gsm_mncc msg;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 bzero(&msg, sizeof(struct gsm_mncc));
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 msg.msg_type = MNCC_REJ_REQ;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 msg.callref = callref;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 mncc_set_cause(&msg, cause_loc, cause_val);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 mncc_signal_to_socket_nocall(conn, &msg);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 void
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 process_ext_mtcall_setup(conn, msg)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 struct socket_conn *conn;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 struct gsm_mncc *msg;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 struct gsm_call *call;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 if (!(msg->fields & MNCC_F_CALLED) && !msg->imsi[0]) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 syslog(LOG_ERR, "rejecting ext MT: no called number");
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 reject_mt_call(conn, msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 GSM48_CC_CAUSE_INVAL_MAND_INF);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 call = create_new_mt_call();
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 if (!call) {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 syslog(LOG_ERR, "rejecting ext MT: no memory for call");
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 reject_mt_call(conn, msg->callref, GSM48_CAUSE_LOC_PRN_S_LU,
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 return;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 call->socket = conn;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 call->socket_ref = msg->callref;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 conn->ncalls++;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 syslog(LOG_DEBUG, "mapped socket callref 0x%x to GSM callref 0x%x",
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 msg->callref, call->callref);
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 /* forward to GSM MNCC interface */
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 msg->callref = call->callref;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 }
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 preen_connected_number(msg)
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 struct gsm_mncc *msg;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 {
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 if (preen_msc_provided_number(&msg->connected))
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 msg->fields |= MNCC_F_CONNECTED;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 else
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 msg->fields &= ~MNCC_F_CONNECTED;
053f04687106 mncc: initial import from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 }