FreeCalypso > hg > themwi-system-sw
annotate mgw/main.c @ 99:738be11ac432
mgw internal code: simplify MDCX error handling
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 26 Sep 2022 13:42:46 -0800 |
parents | f280328e7e2e |
children | 815e4c59162e |
rev | line source |
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1 /* |
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2 * Main module for themwi-mgw. |
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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 |
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16 fd_set select_for_read; |
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17 void (*select_handlers[FD_SETSIZE])(); |
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18 void *select_data[FD_SETSIZE]; |
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19 |
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20 static int max_fd; |
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21 |
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22 update_max_fd(newfd) |
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23 { |
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24 if (newfd >= FD_SETSIZE) { |
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25 syslog(LOG_CRIT, "FATAL: file descriptor %d >= FD_SETSIZE", |
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26 newfd); |
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27 exit(1); |
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28 } |
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29 if (newfd > max_fd) |
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30 max_fd = newfd; |
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31 } |
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32 |
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33 main(argc, argv) |
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34 char **argv; |
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35 { |
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36 fd_set fds; |
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37 int cc, i; |
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38 |
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39 openlog("themwi-mgw", 0, LOG_LOCAL5); |
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40 read_config_file(); |
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41 if (create_ctrl_socket() < 0) { |
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42 fprintf(stderr, "error creating TMGW control socket\n"); |
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43 exit(1); |
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44 } |
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45 signal(SIGPIPE, SIG_IGN); |
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46 /* main select loop */ |
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47 for (;;) { |
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48 bcopy(&select_for_read, &fds, sizeof(fd_set)); |
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49 cc = select(max_fd+1, &fds, 0, 0, 0); |
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50 if (cc < 0) { |
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51 if (errno == EINTR) |
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52 continue; |
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53 syslog(LOG_CRIT, "select: %m"); |
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54 exit(1); |
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55 } |
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56 for (i = 0; cc && i <= max_fd; i++) { |
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57 if (FD_ISSET(i, &fds)) { |
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58 select_handlers[i](i, select_data[i]); |
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59 cc--; |
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60 } |
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61 } |
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62 free_deleted_endpoints(); |
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63 } |
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64 } |