FreeCalypso > hg > freecalypso-sw

annotate rvinterf/lowlevel/rvifmain.c @ 179:ebfa9657d03d

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rvinterf: ignore SIGPIPE
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 23 Nov 2013 22:21:20 +0000
parents 7ab6b29e76bb
children f5f8776f7c66
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 <signal.h>
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11 #include <time.h>
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12 #include "../pktmux.h"
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13 #include "../localsock.h"
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14 #include "client.h"
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15
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16 extern int target_fd, listener;
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17 extern char *baudrate_name;
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18
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19 extern u_char rxpkt[];
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20 extern size_t rxpkt_len;
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21
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22 struct client *client_head;
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23
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24 char *logfname;
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25 FILE *logF;
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26 time_t logtime;
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27 int background;
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28 int max_fd;
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29
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30 main(argc, argv)
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31 char **argv;
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32 {
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33 extern char *optarg;
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34 extern int optind;
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35 int c;
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36 fd_set fds;
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37 struct client *cli, **clip;
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38
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39 while ((c = getopt(argc, argv, "bB:d:l:")) != EOF)
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40 switch (c) {
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41 case 'b':
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42 background++;
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43 continue;
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44 case 'B':
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45 baudrate_name = optarg;
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46 continue;
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47 case 'd':
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48 target_fd = atoi(optarg);
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49 continue;
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50 case 'l':
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51 logfname = optarg;
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52 continue;
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53 case '?':
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54 default:
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55 usage: fprintf(stderr,
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56 "usage: %s [options] ttyport\n", argv[0]);
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57 exit(1);
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58 }
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59 if (target_fd <= 0) {
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60 if (argc - optind != 1)
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61 goto usage;
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62 open_target_serial(argv[optind]);
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63 }
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64 max_fd = target_fd;
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65
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66 set_serial_nonblock(0);
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67 setlinebuf(stdout);
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68 if (logfname) {
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69 logF = fopen(logfname, "w");
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70 if (!logF) {
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71 perror(logfname);
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72 exit(1);
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73 }
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74 fprintf(logF, "*** Log of rvinterf session ***\n");
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75 setlinebuf(logF);
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76 }
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77 create_listener_socket();
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78 if (background) {
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79 c = fork();
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80 if (c < 0) {
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81 perror("fork");
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82 exit(1);
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83 }
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84 if (c) {
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85 printf("rvinterf forked into background (pid %d)\n", c);
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86 exit(0);
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87 }
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88 }
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89 signal(SIGPIPE, SIG_IGN);
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90 for (;;) {
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91 FD_ZERO(&fds);
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92 FD_SET(target_fd, &fds);
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93 FD_SET(listener, &fds);
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94 for (clip = &client_head; cli = *clip; ) {
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95 if (cli->rx_state == 2) {
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96 close(cli->fd);
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97 *clip = cli->next;
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98 free(cli);
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99 continue;
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100 }
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101 FD_SET(cli->fd, &fds);
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102 clip = &cli->next;
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103 }
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104 c = select(max_fd+1, &fds, 0, 0, 0);
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105 time(&logtime);
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106 if (c < 0) {
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107 if (errno == EINTR)
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108 continue;
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109 perror("select");
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110 exit(1);
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111 }
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112 if (FD_ISSET(target_fd, &fds))
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113 process_serial_rx();
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114 if (FD_ISSET(listener, &fds))
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115 handle_listener_select();
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116 for (cli = client_head; cli; cli = cli->next)
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117 if (FD_ISSET(cli->fd, &fds))
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118 handle_client_select(cli);
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119 }
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120 }
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121
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122 handle_rx_packet()
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123 {
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124 switch (rxpkt[0]) {
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125 case RVT_RV_HEADER:
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126 if (rxpkt_len < 6)
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127 goto unknown;
178
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128 if (!background || logF)
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129 print_rv_trace();
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130 if (client_head)
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131 forward_rv_trace();
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132 return;
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133 case RVT_L1_HEADER:
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134 if (!background || logF)
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135 print_l1_trace();
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136 if (client_head)
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137 forward_nonrvt_pkt();
174
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138 return;
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139 case RVT_L23_HEADER:
178
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140 if (!background || logF)
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141 print_g23_trace();
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142 if (client_head)
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143 forward_nonrvt_pkt();
174
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144 return;
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145 case RVT_TM_HEADER:
178
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146 if (!background || logF)
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147 print_etm_output_raw();
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148 if (client_head)
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149 forward_nonrvt_pkt();
174
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150 return;
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151 default:
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152 unknown:
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153 print_unknown_packet();
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154 }
126
811b138f1bed rvtdump utility written, compiles
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parents:
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155 }