FreeCalypso > hg > freecalypso-tools

annotate rvinterf/asyncshell/main.c @ 776:fac3176de18d

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simagent: bare Tx implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 12 Mar 2021 23:36:46 +0000
parents e40bb5a6c6b9
children
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1 /*
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2 * This module contains the main() function for fc-shell.
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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 int ttyhacks, dflag;
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17 int oneshot_mode, oneshot_nowait;
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18
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19 main(argc, argv)
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20 char **argv;
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21 {
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22 extern int optind;
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23 extern char *optarg;
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24 int c, sopt = 0;
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25 fd_set fds;
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26
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27 while ((c = getopt(argc, argv, "B:dl:np:s:w:")) != EOF)
0
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28 switch (c) {
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29 case 'B':
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30 rvinterf_Bopt = optarg;
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31 continue;
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32 case 'd':
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33 dflag++;
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34 continue;
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35 case 'l':
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36 rvinterf_lopt = optarg;
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37 continue;
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38 case 'n':
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39 oneshot_nowait++;
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40 continue;
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41 case 'p':
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42 rvinterf_ttyport = optarg;
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43 continue;
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44 case 's':
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45 socket_pathname = optarg;
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46 sopt++;
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47 continue;
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48 case 'w':
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49 rvinterf_wopt = optarg;
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50 continue;
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51 case '?':
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52 default:
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53 /* error msg already printed */
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54 exit(ERROR_USAGE);
0
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55 }
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56 if (rvinterf_ttyport) {
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57 if (sopt) {
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58 fprintf(stderr,
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59 "%s error: -p and -s options are mutually exclusive\n",
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60 argv[0]);
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61 exit(ERROR_USAGE);
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62 }
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63 launch_rvinterf(0);
0
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64 } else {
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65 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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66 fprintf(stderr,
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67 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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68 argv[0]);
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69 exit(ERROR_USAGE);
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70 }
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71 connect_local_socket();
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72 }
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73
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74 if (argv[optind]) {
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75 oneshot_mode = 1;
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76 return oneshot_command(argc - optind, argv + optind);
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77 }
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78
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79 ttyhacks = isatty(0) && !dflag;
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80 init();
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81 tty_init();
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82 for (;;) {
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83 FD_ZERO(&fds);
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84 FD_SET(0, &fds);
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85 FD_SET(sock, &fds);
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86 c = select(sock+1, &fds, 0, 0, 0);
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87 if (c < 0) {
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88 if (errno == EINTR)
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89 continue;
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90 tty_cleanup();
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91 perror("select");
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92 exit(ERROR_UNIX);
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93 }
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94 if (FD_ISSET(0, &fds))
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95 handle_tty_input();
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96 if (FD_ISSET(sock, &fds))
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97 handle_rvinterf_input();
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98 fflush(stdout);
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99 }
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100 }