FreeCalypso > hg > themwi-system-sw
annotate sip-out/main.c @ 238:697fe2c87fec
themwi-check-own: convert to libnumdb2
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 14:42:59 -0800 |
parents | e54b0a9e322f |
children | cb440d003976 |
rev | line source |
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1 /* |
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2 * Main module for themwi-sip-out. |
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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 <sys/errno.h> |
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9 #include <netinet/in.h> |
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10 #include <stdio.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 <signal.h> |
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15 #include <syslog.h> |
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16 #include <unistd.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 cfg_retrans_timeout; |
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21 |
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22 extern int mgw_socket, mgw_is_connected; |
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23 extern int sip_socket, mncc_listener; |
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24 extern struct mncc_conn *mncc_conn_list; |
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25 |
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26 static int max_fd; |
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27 |
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28 struct timeval cur_event_time; |
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29 |
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30 update_max_fd(newfd) |
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31 { |
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32 if (newfd > max_fd) |
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33 max_fd = newfd; |
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34 } |
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35 |
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36 main(argc, argv) |
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37 char **argv; |
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38 { |
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39 fd_set fds; |
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40 struct mncc_conn *conn, **connp; |
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41 int rc, need_retrans, dead_sip_flag; |
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42 struct timeval timeout; |
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43 time_t dead_sip_time; |
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44 |
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45 openlog("themwi-sip-out", 0, LOG_LOCAL5); |
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46 read_config_file(); |
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47 if (read_out_routes_db() < 0) { |
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48 fprintf(stderr, "error reading out-routes.bin database\n"); |
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49 exit(1); |
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50 } |
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51 if (create_outcall_socket() < 0) { |
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52 fprintf(stderr, "error creating outcall socket\n"); |
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53 exit(1); |
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54 } |
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55 if (open_sip_udp_socket() < 0) { |
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56 fprintf(stderr, "error opening SIP UDP socket\n"); |
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57 exit(1); |
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58 } |
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59 if (argv[1]) { |
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60 rc = open_sip_log_file(argv[1]); |
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61 if (rc < 0) |
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62 exit(1); /* error msg already printed */ |
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63 } |
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64 signal(SIGPIPE, SIG_IGN); |
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65 /* main select loop */ |
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66 for (;;) { |
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67 FD_ZERO(&fds); |
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68 FD_SET(sip_socket, &fds); |
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69 FD_SET(mncc_listener, &fds); |
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70 if (mgw_is_connected) |
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71 FD_SET(mgw_socket, &fds); |
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72 for (connp = &mncc_conn_list; conn = *connp; ) { |
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73 if (conn->fd < 0) { |
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74 *connp = conn->next; |
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75 free(conn); |
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76 continue; |
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77 } |
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78 FD_SET(conn->fd, &fds); |
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79 connp = &conn->next; |
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80 } |
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81 need_retrans = dead_sip_flag = 0; |
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82 scan_call_list_for_timeouts(&need_retrans, &dead_sip_flag, |
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83 &dead_sip_time); |
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84 if (need_retrans) { |
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85 timeout.tv_sec = cfg_retrans_timeout / 1000; |
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86 timeout.tv_usec = (cfg_retrans_timeout % 1000) * 1000; |
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87 rc = select(max_fd+1, &fds, 0, 0, &timeout); |
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88 } else if (dead_sip_flag) { |
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89 if (cur_event_time.tv_sec >= dead_sip_time) |
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90 timeout.tv_sec = 0; |
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91 else |
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92 timeout.tv_sec = |
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93 dead_sip_time - cur_event_time.tv_sec; |
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94 timeout.tv_usec = 0; |
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95 rc = select(max_fd+1, &fds, 0, 0, &timeout); |
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96 } else |
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97 rc = select(max_fd+1, &fds, 0, 0, 0); |
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98 if (rc < 0) { |
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99 if (errno == EINTR) |
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100 continue; |
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101 syslog(LOG_CRIT, "select: %m"); |
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102 exit(1); |
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103 } |
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104 gettimeofday(&cur_event_time, 0); |
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105 if (rc) { |
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106 if (FD_ISSET(mncc_listener, &fds)) |
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107 mncc_listener_select(); |
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108 for (conn = mncc_conn_list; conn; conn = conn->next) |
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109 if (FD_ISSET(conn->fd, &fds)) |
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110 mncc_socket_select(conn); |
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111 if (FD_ISSET(sip_socket, &fds)) |
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112 sip_socket_select(); |
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113 if (mgw_is_connected && FD_ISSET(mgw_socket, &fds)) |
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114 mgw_socket_select(); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
107
diff
changeset
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115 } else if (need_retrans) |
68
709b78a4ebf0
sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
56
diff
changeset
|
116 run_periodic_retrans(); |
154
e54b0a9e322f
beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents:
112
diff
changeset
|
117 clear_dead_calls(); |
47
62f39c7cee15
themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 } |
62f39c7cee15
themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 } |