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annotate rvinterf/lowlevel/rvifmain.c @ 176:7f727aaf5cd4

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rvinterf: beginning of server implementation
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 23 Nov 2013 07:40:13 +0000
parents rvinterf/lowlevel/rvtdump.c@3256dc6e84ae
children fef035264dd4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module contains the main() function for rvinterf
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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 <time.h>
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11 #include "../pktmux.h"
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12
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13 extern int target_fd;
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14 extern char *baudrate_name;
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15
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16 extern u_char rxpkt[];
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17 extern size_t rxpkt_len;
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18
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19 char *logfname;
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20 FILE *logF;
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21 time_t logtime;
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22 int background;
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23
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24 main(argc, argv)
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25 char **argv;
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26 {
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27 extern char *optarg;
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28 extern int optind;
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29 int c;
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30 fd_set fds;
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31
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32 while ((c = getopt(argc, argv, "bB:d:l:")) != EOF)
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33 switch (c) {
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34 case 'b':
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35 background++;
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36 continue;
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37 case 'B':
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38 baudrate_name = optarg;
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39 continue;
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40 case 'd':
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41 target_fd = atoi(optarg);
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42 continue;
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43 case 'l':
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44 logfname = optarg;
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45 continue;
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46 case '?':
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47 default:
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48 usage: fprintf(stderr,
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49 "usage: %s [options] ttyport\n", argv[0]);
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50 exit(1);
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51 }
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52 if (target_fd <= 0) {
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53 if (argc - optind != 1)
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54 goto usage;
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55 open_target_serial(argv[optind]);
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56 }
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57
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58 set_serial_nonblock(0);
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59 setlinebuf(stdout);
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60 if (logfname) {
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61 logF = fopen(logfname, "w");
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62 if (!logF) {
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63 perror(logfname);
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64 exit(1);
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65 }
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66 fprintf(logF, "*** Log of rvinterf session ***\n");
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67 setlinebuf(logF);
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68 }
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69 if (background) {
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70 c = fork();
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71 if (c < 0) {
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72 perror("fork");
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73 exit(1);
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74 }
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75 if (c) {
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76 printf("rvinterf forked into background (pid %d)\n", c);
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77 exit(0);
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78 }
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79 }
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80 for (;;) {
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81 FD_ZERO(&fds);
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82 FD_SET(target_fd, &fds);
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83 c = select(target_fd+1, &fds, 0, 0, 0);
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84 time(&logtime);
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85 if (c < 0) {
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86 if (errno == EINTR)
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87 continue;
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88 perror("select");
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89 exit(1);
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90 }
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91 if (FD_ISSET(target_fd, &fds))
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92 process_serial_rx();
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93 }
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94 }
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95
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96 handle_rx_packet()
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97 {
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98 switch (rxpkt[0]) {
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99 case RVT_RV_HEADER:
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100 if (rxpkt_len < 6)
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101 goto unknown;
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102 print_rv_trace();
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103 return;
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104 case RVT_L1_HEADER:
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105 print_l1_trace();
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106 return;
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107 case RVT_L23_HEADER:
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108 print_g23_trace();
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109 return;
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110 case RVT_TM_HEADER:
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111 print_etm_output_raw();
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112 return;
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113 default:
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114 unknown:
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115 print_unknown_packet();
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116 }
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117 }