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annotate smsc-daemon/main.c @ 8:81386a48c463

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smsc-daemon: set source_name in GSUP replies
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 25 Aug 2023 14:56:52 -0800
parents 22ddb71f6883
children d9db8661d9f3
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1 /*
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2 * This C module is part of proto-smsc-daemon concoction, a prototype/test
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3 * implementation of a GSUP-based GSM SMSC. It is based on the osmo-euse-demo
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4 * program from OsmoHLR package.
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5 *
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6 * proto-smsc-daemon author: Mychaela N. Falconia <falcon@freecalypso.org>,
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7 * no copyright.
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8 *
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9 * osmo-euse-demo author: Harald Welte <laforge@gnumonks.org>, (C) 2018, AGPL3+
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10 */
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11
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12 #include <ctype.h>
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13 #include <string.h>
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14 #include <stdio.h>
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15 #include <stdlib.h>
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16 #include <errno.h>
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17 #include <signal.h>
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18
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19 #include <osmocom/core/msgb.h>
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20 #include <osmocom/core/select.h>
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21 #include <osmocom/core/application.h>
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22 #include <osmocom/core/utils.h>
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23 #include <osmocom/core/logging.h>
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24
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25 #include <osmocom/gsm/gsup.h>
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26 #include <osmocom/gsm/ipa.h>
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28 #include <osmocom/gsupclient/gsup_client.h>
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29
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30 #include "logging.h"
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32 extern int gsupc_read_cb(struct osmo_gsup_client *gsupc, struct msgb *msg);
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33
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34 #define MAX_IPA_NAME 31
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35
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36 FILE *smsc_log_file;
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37 char smsc_ipa_name[MAX_IPA_NAME+1];
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38 struct ipaccess_unit gsup_ipa_dev;
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39 struct osmo_gsup_client *g_gc;
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40
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41 static struct log_info_cat default_categories[] = {
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42 [DMAIN] = {
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43 .name = "DMAIN",
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44 .description = "Main Program",
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45 .enabled = 1, .loglevel = LOGL_DEBUG,
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46 },
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47 };
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48
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49 static const struct log_info smsc_log_info = {
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50 .cat = default_categories,
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51 .num_cat = ARRAY_SIZE(default_categories),
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52 };
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53
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54 static void set_ipa_name(const char *arg)
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55 {
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56 if (strlen(arg) > MAX_IPA_NAME) {
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57 fprintf(stderr, "error: IPA name argument is too long\n");
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58 exit(1);
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59 }
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60 strcpy(smsc_ipa_name, arg);
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61 }
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63 static void open_log_file(const char *filename)
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64 {
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65 smsc_log_file = fopen(filename, "a");
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66 if (!smsc_log_file) {
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67 perror(filename);
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68 exit(1);
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69 }
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70 }
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71
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72 static void build_ipa_dev(void)
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73 {
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74 gsup_ipa_dev.unit_name = "SMSC";
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75 gsup_ipa_dev.serno = smsc_ipa_name;
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76 }
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77
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78 int main(int argc, char **argv)
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79 {
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80 char *server_host = "127.0.0.1";
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81 uint16_t server_port = OSMO_GSUP_PORT;
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82 void *ctx = talloc_named_const(NULL, 0, "proto-smsc");
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83
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84 osmo_init_logging2(ctx, &smsc_log_info);
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85
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86 if (argc != 3) {
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87 fprintf(stderr, "usage: %s ipa-name logfile\n", argv[0]);
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88 exit(1);
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89 }
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90 set_ipa_name(argv[1]);
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91 open_log_file(argv[2]);
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92
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93 build_ipa_dev();
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94 g_gc = osmo_gsup_client_create2(ctx, &gsup_ipa_dev, server_host,
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95 server_port, gsupc_read_cb, NULL);
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96 if (!g_gc) {
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97 fprintf(stderr, "error: osmo_gsup_client_create2() failed\n");
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98 exit(1);
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99 }
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100
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101 while (1) {
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102 osmo_select_main(0);
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103 }
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104
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105 exit(0);
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106 }