FreeCalypso > hg > themwi-system-sw

annotate sip-out/main.c @ 243:59a166c50d0e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
themwi-mncc: convert to libnumdb2
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 14 Aug 2023 19:13:26 -0800
parents e54b0a9e322f
children cb440d003976
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
2 * Main module for themwi-sip-out.
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <sys/types.h>
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
6 #include <sys/socket.h>
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/time.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <sys/errno.h>
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
9 #include <netinet/in.h>
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdio.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <string.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <strings.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <signal.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <syslog.h>
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <unistd.h>
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
17 #include "../include/out_routes.h"
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
18 #include "call.h"
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19
68
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
20 extern unsigned cfg_retrans_timeout;
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
21
107
372209628038 sip-in: handle themwi-mgw shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents: 68
diff changeset
22 extern int mgw_socket, mgw_is_connected;
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
23 extern int sip_socket, mncc_listener;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
24 extern struct mncc_conn *mncc_conn_list;
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 static int max_fd;
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 struct timeval cur_event_time;
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 update_max_fd(newfd)
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 if (newfd > max_fd)
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 max_fd = newfd;
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 }
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 main(argc, argv)
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 char **argv;
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 fd_set fds;
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
40 struct mncc_conn *conn, **connp;
112
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
41 int rc, need_retrans, dead_sip_flag;
68
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
42 struct timeval timeout;
112
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
43 time_t dead_sip_time;
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
45 openlog("themwi-sip-out", 0, LOG_LOCAL5);
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 read_config_file();
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
47 if (read_out_routes_db() < 0) {
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
48 fprintf(stderr, "error reading out-routes.bin database\n");
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
49 exit(1);
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
50 }
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
51 if (create_outcall_socket() < 0) {
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
52 fprintf(stderr, "error creating outcall socket\n");
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 exit(1);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 }
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 if (open_sip_udp_socket() < 0) {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 fprintf(stderr, "error opening SIP UDP socket\n");
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 exit(1);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 }
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 if (argv[1]) {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 rc = open_sip_log_file(argv[1]);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 if (rc < 0)
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 exit(1); /* error msg already printed */
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 }
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 signal(SIGPIPE, SIG_IGN);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 /* main select loop */
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 for (;;) {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 FD_ZERO(&fds);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 FD_SET(sip_socket, &fds);
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
69 FD_SET(mncc_listener, &fds);
107
372209628038 sip-in: handle themwi-mgw shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents: 68
diff changeset
70 if (mgw_is_connected)
372209628038 sip-in: handle themwi-mgw shutdown without terminating
Mychaela Falconia <falcon@freecalypso.org>
parents: 68
diff changeset
71 FD_SET(mgw_socket, &fds);
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
72 for (connp = &mncc_conn_list; conn = *connp; ) {
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
73 if (conn->fd < 0) {
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
74 *connp = conn->next;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
75 free(conn);
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
76 continue;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
77 }
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
78 FD_SET(conn->fd, &fds);
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
79 connp = &conn->next;
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
80 }
112
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
81 need_retrans = dead_sip_flag = 0;
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
82 scan_call_list_for_timeouts(&need_retrans, &dead_sip_flag,
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
83 &dead_sip_time);
68
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
84 if (need_retrans) {
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
85 timeout.tv_sec = cfg_retrans_timeout / 1000;
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
86 timeout.tv_usec = (cfg_retrans_timeout % 1000) * 1000;
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
87 rc = select(max_fd+1, &fds, 0, 0, &timeout);
112
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
88 } else if (dead_sip_flag) {
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
89 if (cur_event_time.tv_sec >= dead_sip_time)
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
90 timeout.tv_sec = 0;
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
91 else
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
92 timeout.tv_sec =
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
93 dead_sip_time - cur_event_time.tv_sec;
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
94 timeout.tv_usec = 0;
6aa63cf4620a sip-in call clearing: select timeout implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 111
diff changeset
95 rc = select(max_fd+1, &fds, 0, 0, &timeout);
68
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
96 } else
709b78a4ebf0 sip-in: implement retransmission of INVITE responses
Mychaela Falconia <falcon@freecalypso.org>
parents: 56
diff changeset
97 rc = select(max_fd+1, &fds, 0, 0, 0);
47
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 if (rc < 0) {
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 if (errno == EINTR)
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 continue;
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 syslog(LOG_CRIT, "select: %m");
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 exit(1);
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 }
62f39c7cee15 themwi-sip-in skeleton started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 gettimeofday(&cur_event_time, 0);
111
7a4d4b8d5f04 sip-in call clearing: unlink and free implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 107
diff changeset
105 if (rc) {
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
106 if (FD_ISSET(mncc_listener, &fds))
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
107 mncc_listener_select();
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
108 for (conn = mncc_conn_list; conn; conn = conn->next)
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
109 if (FD_ISSET(conn->fd, &fds))
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
110 mncc_socket_select(conn);
111
7a4d4b8d5f04 sip-in call clearing: unlink and free implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 107
diff changeset
111 if (FD_ISSET(sip_socket, &fds))
7a4d4b8d5f04 sip-in call clearing: unlink and free implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 107
diff changeset
112 sip_socket_select();
154
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
113 if (mgw_is_connected && FD_ISSET(mgw_socket, &fds))
e54b0a9e322f beginning of themwi-sip-out
Mychaela Falconia <falcon@freecalypso.org>
parents: 112
diff changeset
114 mgw_socket_select();
111
7a4d4b8d5f04 sip-in call clearing: unlink and free implemented
Mychaela Falconia <falcon@freecalypso.org>
parents: 107
diff changeset
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 }