FreeCalypso > hg > freecalypso-tools

annotate rvinterf/l1filter/main.c @ 855:ea458ee48691

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rvinterf/l1filter: new program written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 09 Nov 2021 23:14:22 +0000
parents rvinterf/asyncshell/main.c@e40bb5a6c6b9
children
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1 /*
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2 * This module contains the main() function for l1trace-filter.
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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 <stdlib.h>
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9 #include <unistd.h>
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10 #include "exitcodes.h"
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11
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12 extern char *socket_pathname;
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13 extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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14 extern int sock;
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15
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16 char **filter_list;
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17
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18 main(argc, argv)
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19 char **argv;
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20 {
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21 extern int optind;
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22 extern char *optarg;
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23 int c, sopt = 0;
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24 fd_set fds;
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25
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26 while ((c = getopt(argc, argv, "B:l:p:s:w:")) != EOF)
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27 switch (c) {
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28 case 'B':
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29 rvinterf_Bopt = optarg;
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30 continue;
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31 case 'l':
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32 rvinterf_lopt = optarg;
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33 continue;
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34 case 'p':
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35 rvinterf_ttyport = optarg;
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36 continue;
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37 case 's':
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38 socket_pathname = optarg;
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39 sopt++;
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40 continue;
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41 case 'w':
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42 rvinterf_wopt = optarg;
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43 continue;
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44 case '?':
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45 default:
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46 /* error msg already printed */
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47 exit(ERROR_USAGE);
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48 }
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49 if (!argv[optind]) {
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50 fprintf(stderr, "error: no filter keywords specified\n");
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51 exit(ERROR_USAGE);
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52 }
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53 if (rvinterf_ttyport) {
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54 if (sopt) {
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55 fprintf(stderr,
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56 "%s error: -p and -s options are mutually exclusive\n",
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57 argv[0]);
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58 exit(ERROR_USAGE);
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59 }
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60 launch_rvinterf(0);
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61 } else {
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62 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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63 fprintf(stderr,
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64 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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65 argv[0]);
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66 exit(ERROR_USAGE);
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67 }
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68 connect_local_socket();
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69 }
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70
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71 filter_list = argv + optind;
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72 init();
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73 for (;;) {
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74 FD_ZERO(&fds);
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75 FD_SET(sock, &fds);
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76 c = select(sock+1, &fds, 0, 0, 0);
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77 if (c < 0) {
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78 if (errno == EINTR)
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79 continue;
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80 perror("select");
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81 exit(ERROR_UNIX);
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82 }
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83 if (FD_ISSET(sock, &fds))
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84 handle_rvinterf_input();
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85 fflush(stdout);
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86 }
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87 }