FreeCalypso > hg > themwi-system-sw
annotate mncc/main.c @ 235:bd493b21f215
libnumdb2: port check_nanp.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 13:57:10 -0800 |
parents | 2ebad02adbe5 |
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1 /* |
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2 * Main module for ThemWi MNCC daemon. |
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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/errno.h> |
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7 #include <stdio.h> |
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8 #include <stdint.h> |
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9 #include <stdlib.h> |
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10 #include <string.h> |
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11 #include <strings.h> |
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12 #include <signal.h> |
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13 #include <syslog.h> |
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14 #include <unistd.h> |
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15 #include "struct.h" |
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16 |
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17 extern int mncc_socket; |
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18 extern int mtcall_listener; |
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19 extern struct socket_conn *mtcall_socket_head; |
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20 |
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21 struct socket_conn outcall_conn; |
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22 |
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23 static int max_fd; |
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24 |
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25 update_max_fd(newfd) |
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26 { |
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27 if (newfd > max_fd) |
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28 max_fd = newfd; |
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29 } |
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30 |
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31 main(argc, argv) |
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32 char **argv; |
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33 { |
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34 fd_set fds; |
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35 struct socket_conn *conn, **connp; |
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36 int c; |
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37 |
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38 openlog("themwi-mncc", 0, LOG_LOCAL5); |
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39 if (read_number_db() < 0) { |
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40 fprintf(stderr, "error reading number database\n"); |
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41 exit(1); |
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42 } |
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43 if (open_mncc_socket() < 0) { |
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44 fprintf(stderr, "error connecting to GSM MNCC socket\n"); |
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45 exit(1); |
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46 } |
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47 if (create_mtcall_socket() < 0) { |
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48 fprintf(stderr, "error creating MT call socket\n"); |
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49 exit(1); |
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50 } |
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51 signal(SIGPIPE, SIG_IGN); |
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52 outcall_conn.fd = -1; |
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53 /* main select loop */ |
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54 for (;;) { |
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55 FD_ZERO(&fds); |
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56 FD_SET(mncc_socket, &fds); |
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57 FD_SET(mtcall_listener, &fds); |
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58 for (connp = &mtcall_socket_head; conn = *connp; ) { |
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59 if (conn->fd < 0) { |
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60 *connp = conn->next; |
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61 free(conn); |
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62 continue; |
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63 } |
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64 FD_SET(conn->fd, &fds); |
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65 connp = &conn->next; |
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66 } |
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67 if (outcall_conn.fd >= 0) |
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68 FD_SET(outcall_conn.fd, &fds); |
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69 c = select(max_fd+1, &fds, 0, 0, 0); |
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70 if (c < 0) { |
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71 if (errno == EINTR) |
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72 continue; |
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73 syslog(LOG_CRIT, "select: %m"); |
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74 exit(1); |
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75 } |
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76 if (FD_ISSET(mncc_socket, &fds)) |
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77 mncc_socket_select(); |
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78 if (FD_ISSET(mtcall_listener, &fds)) |
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79 mtsock_accept_handler(); |
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80 for (conn = mtcall_socket_head; conn; conn = conn->next) |
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81 if (FD_ISSET(conn->fd, &fds)) |
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82 extsock_read_select(conn); |
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83 if (outcall_conn.fd >= 0 && FD_ISSET(outcall_conn.fd, &fds)) |
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84 extsock_read_select(&outcall_conn); |
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85 gc_call_list(); |
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86 } |
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87 } |