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comparison mncc/main.c @ 15:ccc5ab6d8388

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first version of themwi-mncc for ThemWi2
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 26 Jun 2022 16:31:47 -0800
parents
children 2ebad02adbe5
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14:aea422af79dd 15:ccc5ab6d8388
1 /*
2 * Main module for ThemWi MNCC daemon.
3 */
4
5 #include <sys/types.h>
6 #include <sys/errno.h>
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include <signal.h>
13 #include <syslog.h>
14 #include <unistd.h>
15 #include "struct.h"
16
17 extern int mncc_socket;
18 extern int mtcall_listener;
19 extern struct socket_conn *mtcall_socket_head;
20
21 static int max_fd;
22
23 update_max_fd(newfd)
24 {
25 if (newfd > max_fd)
26 max_fd = newfd;
27 }
28
29 main(argc, argv)
30 char **argv;
31 {
32 fd_set fds;
33 struct socket_conn *conn, **connp;
34 int c;
35
36 openlog("themwi-mncc", 0, LOG_LOCAL5);
37 if (read_number_db() < 0) {
38 fprintf(stderr, "error reading number database\n");
39 exit(1);
40 }
41 if (open_mncc_socket() < 0) {
42 fprintf(stderr, "error connecting to GSM MNCC socket\n");
43 exit(1);
44 }
45 if (create_mtcall_socket() < 0) {
46 fprintf(stderr, "error creating MT call socket\n");
47 exit(1);
48 }
49 signal(SIGPIPE, SIG_IGN);
50 /* main select loop */
51 for (;;) {
52 FD_ZERO(&fds);
53 FD_SET(mncc_socket, &fds);
54 FD_SET(mtcall_listener, &fds);
55 for (connp = &mtcall_socket_head; conn = *connp; ) {
56 if (conn->fd < 0) {
57 *connp = conn->next;
58 free(conn);
59 continue;
60 }
61 FD_SET(conn->fd, &fds);
62 connp = &conn->next;
63 }
64 c = select(max_fd+1, &fds, 0, 0, 0);
65 if (c < 0) {
66 if (errno == EINTR)
67 continue;
68 syslog(LOG_CRIT, "select: %m");
69 exit(1);
70 }
71 if (FD_ISSET(mncc_socket, &fds))
72 mncc_socket_select();
73 if (FD_ISSET(mtcall_listener, &fds))
74 mtsock_accept_handler();
75 for (conn = mtcall_socket_head; conn; conn = conn->next)
76 if (FD_ISSET(conn->fd, &fds))
77 extsock_read_select(conn);
78 gc_call_list();
79 }
80 }